diff options
Diffstat (limited to 'fs')
306 files changed, 3716 insertions, 2715 deletions
diff --git a/fs/9p/acl.c b/fs/9p/acl.c index 5b6a1743ea17..b3c2cc79c20d 100644 --- a/fs/9p/acl.c +++ b/fs/9p/acl.c @@ -276,32 +276,26 @@ static int v9fs_xattr_set_acl(const struct xattr_handler *handler, switch (handler->flags) { case ACL_TYPE_ACCESS: if (acl) { - umode_t mode = inode->i_mode; - retval = posix_acl_equiv_mode(acl, &mode); - if (retval < 0) + struct iattr iattr; + + retval = posix_acl_update_mode(inode, &iattr.ia_mode, &acl); + if (retval) goto err_out; - else { - struct iattr iattr; - if (retval == 0) { - /* - * ACL can be represented - * by the mode bits. So don't - * update ACL. - */ - acl = NULL; - value = NULL; - size = 0; - } - /* Updte the mode bits */ - iattr.ia_mode = ((mode & S_IALLUGO) | - (inode->i_mode & ~S_IALLUGO)); - iattr.ia_valid = ATTR_MODE; - /* FIXME should we update ctime ? - * What is the following setxattr update the - * mode ? + if (!acl) { + /* + * ACL can be represented + * by the mode bits. So don't + * update ACL. */ - v9fs_vfs_setattr_dotl(dentry, &iattr); + value = NULL; + size = 0; } + iattr.ia_valid = ATTR_MODE; + /* FIXME should we update ctime ? + * What is the following setxattr update the + * mode ? + */ + v9fs_vfs_setattr_dotl(dentry, &iattr); } break; case ACL_TYPE_DEFAULT: diff --git a/fs/9p/v9fs.h b/fs/9p/v9fs.h index 6877050384a1..443d12e02043 100644 --- a/fs/9p/v9fs.h +++ b/fs/9p/v9fs.h @@ -148,7 +148,8 @@ extern struct dentry *v9fs_vfs_lookup(struct inode *dir, struct dentry *dentry, extern int v9fs_vfs_unlink(struct inode *i, struct dentry *d); extern int v9fs_vfs_rmdir(struct inode *i, struct dentry *d); extern int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry); + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags); extern struct inode *v9fs_inode_from_fid(struct v9fs_session_info *v9ses, struct p9_fid *fid, struct super_block *sb, int new); diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c index 8b1999b528e9..30ca770c5e0b 100644 --- a/fs/9p/vfs_inode.c +++ b/fs/9p/vfs_inode.c @@ -276,7 +276,7 @@ int v9fs_init_inode(struct v9fs_session_info *v9ses, inode_init_owner(inode, NULL, mode); inode->i_blocks = 0; inode->i_rdev = rdev; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_mapping->a_ops = &v9fs_addr_operations; switch (mode & S_IFMT) { @@ -955,7 +955,8 @@ int v9fs_vfs_rmdir(struct inode *i, struct dentry *d) int v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int retval; struct inode *old_inode; @@ -966,6 +967,9 @@ v9fs_vfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct p9_fid *newdirfid; struct p9_wstat wstat; + if (flags) + return -EINVAL; + p9_debug(P9_DEBUG_VFS, "\n"); retval = 0; old_inode = d_inode(old_dentry); @@ -1094,7 +1098,7 @@ static int v9fs_vfs_setattr(struct dentry *dentry, struct iattr *iattr) struct p9_wstat wstat; p9_debug(P9_DEBUG_VFS, "\n"); - retval = inode_change_ok(d_inode(dentry), iattr); + retval = setattr_prepare(dentry, iattr); if (retval) return retval; diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c index eeabcb0bad12..afaa4b6de801 100644 --- a/fs/9p/vfs_inode_dotl.c +++ b/fs/9p/vfs_inode_dotl.c @@ -558,7 +558,7 @@ int v9fs_vfs_setattr_dotl(struct dentry *dentry, struct iattr *iattr) p9_debug(P9_DEBUG_VFS, "\n"); - retval = inode_change_ok(inode, iattr); + retval = setattr_prepare(dentry, iattr); if (retval) return retval; @@ -967,9 +967,6 @@ const struct inode_operations v9fs_dir_inode_operations_dotl = { .rename = v9fs_vfs_rename, .getattr = v9fs_vfs_getattr_dotl, .setattr = v9fs_vfs_setattr_dotl, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = v9fs_listxattr, .get_acl = v9fs_iop_get_acl, }; @@ -977,9 +974,6 @@ const struct inode_operations v9fs_dir_inode_operations_dotl = { const struct inode_operations v9fs_file_inode_operations_dotl = { .getattr = v9fs_vfs_getattr_dotl, .setattr = v9fs_vfs_setattr_dotl, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = v9fs_listxattr, .get_acl = v9fs_iop_get_acl, }; @@ -989,8 +983,5 @@ const struct inode_operations v9fs_symlink_inode_operations_dotl = { .get_link = v9fs_vfs_get_link_dotl, .getattr = v9fs_vfs_getattr_dotl, .setattr = v9fs_vfs_setattr_dotl, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = v9fs_listxattr, }; diff --git a/fs/adfs/inode.c b/fs/adfs/inode.c index 335055d828e4..8dbd36f5e581 100644 --- a/fs/adfs/inode.c +++ b/fs/adfs/inode.c @@ -199,7 +199,7 @@ adfs_adfs2unix_time(struct timespec *tv, struct inode *inode) return; cur_time: - *tv = CURRENT_TIME; + *tv = current_time(inode); return; too_early: @@ -303,7 +303,7 @@ adfs_notify_change(struct dentry *dentry, struct iattr *attr) unsigned int ia_valid = attr->ia_valid; int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); /* * we can't change the UID or GID of any file - diff --git a/fs/affs/affs.h b/fs/affs/affs.h index cc2b2efc9211..2f088773f1c0 100644 --- a/fs/affs/affs.h +++ b/fs/affs/affs.h @@ -173,7 +173,8 @@ extern int affs_link(struct dentry *olddentry, struct inode *dir, extern int affs_symlink(struct inode *dir, struct dentry *dentry, const char *symname); extern int affs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry); + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags); /* inode.c */ diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index d8f217c711d3..0ec65c133b93 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -58,7 +58,7 @@ affs_insert_hash(struct inode *dir, struct buffer_head *bh) mark_buffer_dirty_inode(dir_bh, dir); affs_brelse(dir_bh); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); dir->i_version++; mark_inode_dirty(dir); @@ -112,7 +112,7 @@ affs_remove_hash(struct inode *dir, struct buffer_head *rem_bh) affs_brelse(bh); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); dir->i_version++; mark_inode_dirty(dir); @@ -313,7 +313,7 @@ affs_remove_header(struct dentry *dentry) else clear_nlink(inode); affs_unlock_link(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); done: diff --git a/fs/affs/inode.c b/fs/affs/inode.c index 0fdb0f5b2239..fe4e1290dbb5 100644 --- a/fs/affs/inode.c +++ b/fs/affs/inode.c @@ -219,7 +219,7 @@ affs_notify_change(struct dentry *dentry, struct iattr *attr) pr_debug("notify_change(%lu,0x%x)\n", inode->i_ino, attr->ia_valid); - error = inode_change_ok(inode,attr); + error = setattr_prepare(dentry, attr); if (error) goto out; @@ -309,7 +309,7 @@ affs_new_inode(struct inode *dir) inode->i_gid = current_fsgid(); inode->i_ino = block; set_nlink(inode, 1); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); atomic_set(&AFFS_I(inode)->i_opencnt, 0); AFFS_I(inode)->i_blkcnt = 0; AFFS_I(inode)->i_lc = NULL; diff --git a/fs/affs/namei.c b/fs/affs/namei.c index a2d68f828d53..29186d29a3b6 100644 --- a/fs/affs/namei.c +++ b/fs/affs/namei.c @@ -414,12 +414,16 @@ affs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) int affs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct super_block *sb = old_dir->i_sb; struct buffer_head *bh = NULL; int retval; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + pr_debug("%s(old=%lu,\"%pd\" to new=%lu,\"%pd\")\n", __func__, old_dir->i_ino, old_dentry, new_dir->i_ino, new_dentry); diff --git a/fs/afs/dir.c b/fs/afs/dir.c index eba541004d90..51a241e09fbb 100644 --- a/fs/afs/dir.c +++ b/fs/afs/dir.c @@ -38,7 +38,8 @@ static int afs_link(struct dentry *from, struct inode *dir, static int afs_symlink(struct inode *dir, struct dentry *dentry, const char *content); static int afs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry); + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags); const struct file_operations afs_dir_file_operations = { .open = afs_dir_open, @@ -1083,12 +1084,16 @@ error: * rename a file in an AFS filesystem and/or move it between directories */ static int afs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct afs_vnode *orig_dvnode, *new_dvnode, *vnode; struct key *key; int ret; + if (flags) + return -EINVAL; + vnode = AFS_FS_I(d_inode(old_dentry)); orig_dvnode = AFS_FS_I(old_dir); new_dvnode = AFS_FS_I(new_dir); diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c index 59bdaa7527b6..477928b25940 100644 --- a/fs/afs/rxrpc.c +++ b/fs/afs/rxrpc.c @@ -418,7 +418,7 @@ static void afs_deliver_to_call(struct afs_call *call) &call->abort_code); if (ret == -EINPROGRESS || ret == -EAGAIN) return; - if (ret == 1) { + if (ret == 1 || ret < 0) { call->state = AFS_CALL_COMPLETE; goto done; } diff --git a/fs/afs/write.c b/fs/afs/write.c index 14d506efd1aa..f865c3f05bea 100644 --- a/fs/afs/write.c +++ b/fs/afs/write.c @@ -398,8 +398,7 @@ no_more: switch (ret) { case -EDQUOT: case -ENOSPC: - set_bit(AS_ENOSPC, - &wb->vnode->vfs_inode.i_mapping->flags); + mapping_set_error(wb->vnode->vfs_inode.i_mapping, -ENOSPC); break; case -EROFS: case -EIO: @@ -409,7 +408,7 @@ no_more: case -ENOMEDIUM: case -ENXIO: afs_kill_pages(wb->vnode, true, first, last); - set_bit(AS_EIO, &wb->vnode->vfs_inode.i_mapping->flags); + mapping_set_error(wb->vnode->vfs_inode.i_mapping, -EIO); break; case -EACCES: case -EPERM: @@ -274,14 +274,17 @@ __initcall(aio_setup); static void put_aio_ring_file(struct kioctx *ctx) { struct file *aio_ring_file = ctx->aio_ring_file; + struct address_space *i_mapping; + if (aio_ring_file) { truncate_setsize(aio_ring_file->f_inode, 0); /* Prevent further access to the kioctx from migratepages */ - spin_lock(&aio_ring_file->f_inode->i_mapping->private_lock); - aio_ring_file->f_inode->i_mapping->private_data = NULL; + i_mapping = aio_ring_file->f_inode->i_mapping; + spin_lock(&i_mapping->private_lock); + i_mapping->private_data = NULL; ctx->aio_ring_file = NULL; - spin_unlock(&aio_ring_file->f_inode->i_mapping->private_lock); + spin_unlock(&i_mapping->private_lock); fput(aio_ring_file); } diff --git a/fs/attr.c b/fs/attr.c index 42bb42bb3c72..c902b3d53508 100644 --- a/fs/attr.c +++ b/fs/attr.c @@ -17,19 +17,22 @@ #include <linux/ima.h> /** - * inode_change_ok - check if attribute changes to an inode are allowed - * @inode: inode to check + * setattr_prepare - check if attribute changes to a dentry are allowed + * @dentry: dentry to check * @attr: attributes to change * * Check if we are allowed to change the attributes contained in @attr - * in the given inode. This includes the normal unix access permission - * checks, as well as checks for rlimits and others. + * in the given dentry. This includes the normal unix access permission + * checks, as well as checks for rlimits and others. The function also clears + * SGID bit from mode if user is not allowed to set it. Also file capabilities + * and IMA extended attributes are cleared if ATTR_KILL_PRIV is set. * * Should be called as the first thing in ->setattr implementations, * possibly after taking additional locks. */ -int inode_change_ok(const struct inode *inode, struct iattr *attr) +int setattr_prepare(struct dentry *dentry, struct iattr *attr) { + struct inode *inode = d_inode(dentry); unsigned int ia_valid = attr->ia_valid; /* @@ -44,7 +47,7 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr) /* If force is set do it anyway. */ if (ia_valid & ATTR_FORCE) - return 0; + goto kill_priv; /* Make sure a caller can chown. */ if ((ia_valid & ATTR_UID) && @@ -77,9 +80,19 @@ int inode_change_ok(const struct inode *inode, struct iattr *attr) return -EPERM; } +kill_priv: + /* User has permission for the change */ + if (ia_valid & ATTR_KILL_PRIV) { + int error; + + error = security_inode_killpriv(dentry); + if (error) + return error; + } + return 0; } -EXPORT_SYMBOL(inode_change_ok); +EXPORT_SYMBOL(setattr_prepare); /** * inode_newsize_ok - may this inode be truncated to a given size @@ -202,6 +215,21 @@ int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **de return -EPERM; } + /* + * If utimes(2) and friends are called with times == NULL (or both + * times are UTIME_NOW), then we need to check for write permission + */ + if (ia_valid & ATTR_TOUCH) { + if (IS_IMMUTABLE(inode)) + return -EPERM; + + if (!inode_owner_or_capable(inode)) { + error = inode_permission(inode, MAY_WRITE); + if (error) + return error; + } + } + if ((ia_valid & ATTR_MODE)) { umode_t amode = attr->ia_mode; /* Flag setting protected by i_mutex */ @@ -209,7 +237,7 @@ int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **de inode->i_flags &= ~S_NOSEC; } - now = current_fs_time(inode->i_sb); + now = current_time(inode); attr->ia_ctime = now; if (!(ia_valid & ATTR_ATIME_SET)) @@ -217,13 +245,11 @@ int notify_change(struct dentry * dentry, struct iattr * attr, struct inode **de if (!(ia_valid & ATTR_MTIME_SET)) attr->ia_mtime = now; if (ia_valid & ATTR_KILL_PRIV) { - attr->ia_valid &= ~ATTR_KILL_PRIV; - ia_valid &= ~ATTR_KILL_PRIV; error = security_inode_need_killpriv(dentry); - if (error > 0) - error = security_inode_killpriv(dentry); - if (error) + if (error < 0) return error; + if (error == 0) + ia_valid = attr->ia_valid &= ~ATTR_KILL_PRIV; } /* diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h index a439548de785..a1fba4285277 100644 --- a/fs/autofs4/autofs_i.h +++ b/fs/autofs4/autofs_i.h @@ -20,7 +20,8 @@ #define AUTOFS_IOC_COUNT 32 #define AUTOFS_DEV_IOCTL_IOC_FIRST (AUTOFS_DEV_IOCTL_VERSION) -#define AUTOFS_DEV_IOCTL_IOC_COUNT (AUTOFS_IOC_COUNT - 11) +#define AUTOFS_DEV_IOCTL_IOC_COUNT \ + (AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD - AUTOFS_DEV_IOCTL_VERSION_CMD) #include <linux/kernel.h> #include <linux/slab.h> @@ -33,8 +34,6 @@ #include <asm/current.h> #include <linux/uaccess.h> -/* #define DEBUG */ - #ifdef pr_fmt #undef pr_fmt #endif @@ -111,8 +110,6 @@ struct autofs_sb_info { int max_proto; unsigned long exp_timeout; unsigned int type; - int reghost_enabled; - int needs_reghost; struct super_block *sb; struct mutex wq_mutex; struct mutex pipe_mutex; @@ -271,4 +268,4 @@ static inline void autofs4_del_expiring(struct dentry *dentry) } } -extern void autofs4_kill_sb(struct super_block *); +void autofs4_kill_sb(struct super_block *); diff --git a/fs/autofs4/dev-ioctl.c b/fs/autofs4/dev-ioctl.c index c7fcc7438843..fc09eb77ddf3 100644 --- a/fs/autofs4/dev-ioctl.c +++ b/fs/autofs4/dev-ioctl.c @@ -75,7 +75,7 @@ static int check_dev_ioctl_version(int cmd, struct autofs_dev_ioctl *param) if ((param->ver_major != AUTOFS_DEV_IOCTL_VERSION_MAJOR) || (param->ver_minor > AUTOFS_DEV_IOCTL_VERSION_MINOR)) { pr_warn("ioctl control interface version mismatch: " - "kernel(%u.%u), user(%u.%u), cmd(%d)\n", + "kernel(%u.%u), user(%u.%u), cmd(0x%08x)\n", AUTOFS_DEV_IOCTL_VERSION_MAJOR, AUTOFS_DEV_IOCTL_VERSION_MINOR, param->ver_major, param->ver_minor, cmd); @@ -172,6 +172,17 @@ static struct autofs_sb_info *autofs_dev_ioctl_sbi(struct file *f) return sbi; } +/* Return autofs dev ioctl version */ +static int autofs_dev_ioctl_version(struct file *fp, + struct autofs_sb_info *sbi, + struct autofs_dev_ioctl *param) +{ + /* This should have already been set. */ + param->ver_major = AUTOFS_DEV_IOCTL_VERSION_MAJOR; + param->ver_minor = AUTOFS_DEV_IOCTL_VERSION_MINOR; + return 0; +} + /* Return autofs module protocol version */ static int autofs_dev_ioctl_protover(struct file *fp, struct autofs_sb_info *sbi, @@ -586,41 +597,25 @@ out: static ioctl_fn lookup_dev_ioctl(unsigned int cmd) { - static struct { - int cmd; - ioctl_fn fn; - } _ioctls[] = { - {cmd_idx(AUTOFS_DEV_IOCTL_VERSION_CMD), NULL}, - {cmd_idx(AUTOFS_DEV_IOCTL_PROTOVER_CMD), - autofs_dev_ioctl_protover}, - {cmd_idx(AUTOFS_DEV_IOCTL_PROTOSUBVER_CMD), - autofs_dev_ioctl_protosubver}, - {cmd_idx(AUTOFS_DEV_IOCTL_OPENMOUNT_CMD), - autofs_dev_ioctl_openmount}, - {cmd_idx(AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD), - autofs_dev_ioctl_closemount}, - {cmd_idx(AUTOFS_DEV_IOCTL_READY_CMD), - autofs_dev_ioctl_ready}, - {cmd_idx(AUTOFS_DEV_IOCTL_FAIL_CMD), - autofs_dev_ioctl_fail}, - {cmd_idx(AUTOFS_DEV_IOCTL_SETPIPEFD_CMD), - autofs_dev_ioctl_setpipefd}, - {cmd_idx(AUTOFS_DEV_IOCTL_CATATONIC_CMD), - autofs_dev_ioctl_catatonic}, - {cmd_idx(AUTOFS_DEV_IOCTL_TIMEOUT_CMD), - autofs_dev_ioctl_timeout}, - {cmd_idx(AUTOFS_DEV_IOCTL_REQUESTER_CMD), - autofs_dev_ioctl_requester}, - {cmd_idx(AUTOFS_DEV_IOCTL_EXPIRE_CMD), - autofs_dev_ioctl_expire}, - {cmd_idx(AUTOFS_DEV_IOCTL_ASKUMOUNT_CMD), - autofs_dev_ioctl_askumount}, - {cmd_idx(AUTOFS_DEV_IOCTL_ISMOUNTPOINT_CMD), - autofs_dev_ioctl_ismountpoint} + static ioctl_fn _ioctls[] = { + autofs_dev_ioctl_version, + autofs_dev_ioctl_protover, + autofs_dev_ioctl_protosubver, + autofs_dev_ioctl_openmount, + autofs_dev_ioctl_closemount, + autofs_dev_ioctl_ready, + autofs_dev_ioctl_fail, + autofs_dev_ioctl_setpipefd, + autofs_dev_ioctl_catatonic, + autofs_dev_ioctl_timeout, + autofs_dev_ioctl_requester, + autofs_dev_ioctl_expire, + autofs_dev_ioctl_askumount, + autofs_dev_ioctl_ismountpoint, }; unsigned int idx = cmd_idx(cmd); - return (idx >= ARRAY_SIZE(_ioctls)) ? NULL : _ioctls[idx].fn; + return (idx >= ARRAY_SIZE(_ioctls)) ? NULL : _ioctls[idx]; } /* ioctl dispatcher */ @@ -642,7 +637,7 @@ static int _autofs_dev_ioctl(unsigned int command, cmd = _IOC_NR(command); if (_IOC_TYPE(command) != _IOC_TYPE(AUTOFS_DEV_IOCTL_IOC_FIRST) || - cmd - cmd_first >= AUTOFS_DEV_IOCTL_IOC_COUNT) { + cmd - cmd_first > AUTOFS_DEV_IOCTL_IOC_COUNT) { return -ENOTTY; } @@ -655,14 +650,11 @@ static int _autofs_dev_ioctl(unsigned int command, if (err) goto out; - /* The validate routine above always sets the version */ - if (cmd == AUTOFS_DEV_IOCTL_VERSION_CMD) - goto done; - fn = lookup_dev_ioctl(cmd); if (!fn) { pr_warn("unknown command 0x%08x\n", command); - return -ENOTTY; + err = -ENOTTY; + goto out; } fp = NULL; @@ -671,9 +663,11 @@ static int _autofs_dev_ioctl(unsigned int command, /* * For obvious reasons the openmount can't have a file * descriptor yet. We don't take a reference to the - * file during close to allow for immediate release. + * file during close to allow for immediate release, + * and the same for retrieving ioctl version. */ - if (cmd != AUTOFS_DEV_IOCTL_OPENMOUNT_CMD && + if (cmd != AUTOFS_DEV_IOCTL_VERSION_CMD && + cmd != AUTOFS_DEV_IOCTL_OPENMOUNT_CMD && cmd != AUTOFS_DEV_IOCTL_CLOSEMOUNT_CMD) { fp = fget(param->ioctlfd); if (!fp) { @@ -706,7 +700,6 @@ cont: if (fp) fput(fp); -done: if (err >= 0 && copy_to_user(user, param, AUTOFS_DEV_IOCTL_SIZE)) err = -EFAULT; out: diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c index 61b21051bd5a..438b5bf675b6 100644 --- a/fs/autofs4/inode.c +++ b/fs/autofs4/inode.c @@ -274,6 +274,23 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) goto fail_dput; } + /* Test versions first */ + if (sbi->max_proto < AUTOFS_MIN_PROTO_VERSION || + sbi->min_proto > AUTOFS_MAX_PROTO_VERSION) { + pr_err("kernel does not match daemon version " + "daemon (%d, %d) kernel (%d, %d)\n", + sbi->min_proto, sbi->max_proto, + AUTOFS_MIN_PROTO_VERSION, AUTOFS_MAX_PROTO_VERSION); + goto fail_dput; + } + + /* Establish highest kernel protocol version */ + if (sbi->max_proto > AUTOFS_MAX_PROTO_VERSION) + sbi->version = AUTOFS_MAX_PROTO_VERSION; + else + sbi->version = sbi->max_proto; + sbi->sub_version = AUTOFS_PROTO_SUBVERSION; + if (pgrp_set) { sbi->oz_pgrp = find_get_pid(pgrp); if (!sbi->oz_pgrp) { @@ -291,29 +308,12 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) root_inode->i_fop = &autofs4_root_operations; root_inode->i_op = &autofs4_dir_inode_operations; - /* Couldn't this be tested earlier? */ - if (sbi->max_proto < AUTOFS_MIN_PROTO_VERSION || - sbi->min_proto > AUTOFS_MAX_PROTO_VERSION) { - pr_err("kernel does not match daemon version " - "daemon (%d, %d) kernel (%d, %d)\n", - sbi->min_proto, sbi->max_proto, - AUTOFS_MIN_PROTO_VERSION, AUTOFS_MAX_PROTO_VERSION); - goto fail_dput; - } - - /* Establish highest kernel protocol version */ - if (sbi->max_proto > AUTOFS_MAX_PROTO_VERSION) - sbi->version = AUTOFS_MAX_PROTO_VERSION; - else - sbi->version = sbi->max_proto; - sbi->sub_version = AUTOFS_PROTO_SUBVERSION; - pr_debug("pipe fd = %d, pgrp = %u\n", pipefd, pid_nr(sbi->oz_pgrp)); pipe = fget(pipefd); if (!pipe) { pr_err("could not open pipe file descriptor\n"); - goto fail_dput; + goto fail_put_pid; } ret = autofs_prepare_pipe(pipe); if (ret < 0) @@ -334,14 +334,14 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent) fail_fput: pr_err("pipe file descriptor does not contain proper ops\n"); fput(pipe); - /* fall through */ +fail_put_pid: + put_pid(sbi->oz_pgrp); fail_dput: dput(root); goto fail_free; fail_ino: - kfree(ino); + autofs4_free_ino(ino); fail_free: - put_pid(sbi->oz_pgrp); kfree(sbi); s->s_fs_info = NULL; return ret; @@ -359,7 +359,7 @@ struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode) inode->i_uid = d_inode(sb->s_root)->i_uid; inode->i_gid = d_inode(sb->s_root)->i_gid; } - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_ino = get_next_ino(); if (S_ISDIR(mode)) { @@ -368,7 +368,8 @@ struct inode *autofs4_get_inode(struct super_block *sb, umode_t mode) inode->i_fop = &autofs4_dir_operations; } else if (S_ISLNK(mode)) { inode->i_op = &autofs4_symlink_inode_operations; - } + } else + WARN_ON(1); return inode; } diff --git a/fs/autofs4/root.c b/fs/autofs4/root.c index fa84bb8832e0..a11f73174877 100644 --- a/fs/autofs4/root.c +++ b/fs/autofs4/root.c @@ -577,8 +577,6 @@ static int autofs4_dir_symlink(struct inode *dir, inode = autofs4_get_inode(dir->i_sb, S_IFLNK | 0555); if (!inode) { kfree(cp); - if (!dentry->d_fsdata) - kfree(ino); return -ENOMEM; } inode->i_private = cp; @@ -591,7 +589,7 @@ static int autofs4_dir_symlink(struct inode *dir, if (p_ino && !IS_ROOT(dentry)) atomic_inc(&p_ino->count); - dir->i_mtime = CURRENT_TIME; + dir->i_mtime = current_time(dir); return 0; } @@ -631,7 +629,7 @@ static int autofs4_dir_unlink(struct inode *dir, struct dentry *dentry) d_inode(dentry)->i_size = 0; clear_nlink(d_inode(dentry)); - dir->i_mtime = CURRENT_TIME; + dir->i_mtime = current_time(dir); spin_lock(&sbi->lookup_lock); __autofs4_add_expiring(dentry); @@ -762,7 +760,7 @@ static int autofs4_dir_mkdir(struct inode *dir, if (p_ino && !IS_ROOT(dentry)) atomic_inc(&p_ino->count); inc_nlink(dir); - dir->i_mtime = CURRENT_TIME; + dir->i_mtime = current_time(dir); return 0; } @@ -842,7 +840,7 @@ static inline int autofs4_ask_umount(struct vfsmount *mnt, int __user *p) if (may_umount(mnt)) status = 1; - pr_debug("returning %d\n", status); + pr_debug("may umount %d\n", status); status = put_user(status, p); diff --git a/fs/bad_inode.c b/fs/bad_inode.c index 3ba385eaa26e..8712062275b8 100644 --- a/fs/bad_inode.c +++ b/fs/bad_inode.c @@ -100,29 +100,12 @@ static int bad_inode_setattr(struct dentry *direntry, struct iattr *attrs) return -EIO; } -static int bad_inode_setxattr(struct dentry *dentry, struct inode *inode, - const char *name, const void *value, size_t size, int flags) -{ - return -EIO; -} - -static ssize_t bad_inode_getxattr(struct dentry *dentry, struct inode *inode, - const char *name, void *buffer, size_t size) -{ - return -EIO; -} - static ssize_t bad_inode_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size) { return -EIO; } -static int bad_inode_removexattr(struct dentry *dentry, const char *name) -{ - return -EIO; -} - static const struct inode_operations bad_inode_ops = { .create = bad_inode_create, @@ -133,7 +116,7 @@ static const struct inode_operations bad_inode_ops = .mkdir = bad_inode_mkdir, .rmdir = bad_inode_rmdir, .mknod = bad_inode_mknod, - .rename2 = bad_inode_rename2, + .rename = bad_inode_rename2, .readlink = bad_inode_readlink, /* follow_link must be no-op, otherwise unmounting this inode won't work */ @@ -142,10 +125,7 @@ static const struct inode_operations bad_inode_ops = .permission = bad_inode_permission, .getattr = bad_inode_getattr, .setattr = bad_inode_setattr, - .setxattr = bad_inode_setxattr, - .getxattr = bad_inode_getxattr, .listxattr = bad_inode_listxattr, - .removexattr = bad_inode_removexattr, }; @@ -173,8 +153,9 @@ void make_bad_inode(struct inode *inode) inode->i_mode = S_IFREG; inode->i_atime = inode->i_mtime = inode->i_ctime = - current_fs_time(inode->i_sb); + current_time(inode); inode->i_op = &bad_inode_ops; + inode->i_opflags &= ~IOP_XATTR; inode->i_fop = &bad_file_ops; } EXPORT_SYMBOL(make_bad_inode); diff --git a/fs/bfs/dir.c b/fs/bfs/dir.c index 34a5bc2f1290..3e5ac30e8b6f 100644 --- a/fs/bfs/dir.c +++ b/fs/bfs/dir.c @@ -97,7 +97,7 @@ static int bfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, set_bit(ino, info->si_imap); info->si_freei--; inode_init_owner(inode, dir, mode); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_blocks = 0; inode->i_op = &bfs_file_inops; inode->i_fop = &bfs_file_operations; @@ -165,7 +165,7 @@ static int bfs_link(struct dentry *old, struct inode *dir, return err; } inc_nlink(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); ihold(inode); d_instantiate(new, inode); @@ -194,7 +194,7 @@ static int bfs_unlink(struct inode *dir, struct dentry *dentry) } de->ino = 0; mark_buffer_dirty_inode(bh, dir); - dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC; + dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); inode->i_ctime = dir->i_ctime; inode_dec_link_count(inode); @@ -207,7 +207,8 @@ out_brelse: } static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode, *new_inode; struct buffer_head *old_bh, *new_bh; @@ -215,6 +216,9 @@ static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct bfs_sb_info *info; int error = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_bh = new_bh = NULL; old_inode = d_inode(old_dentry); if (S_ISDIR(old_inode->i_mode)) @@ -249,10 +253,10 @@ static int bfs_rename(struct inode *old_dir, struct dentry *old_dentry, goto end_rename; } old_de->ino = 0; - old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME_SEC; + old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); mark_inode_dirty(old_dir); if (new_inode) { - new_inode->i_ctime = CURRENT_TIME_SEC; + new_inode->i_ctime = current_time(new_inode); inode_dec_link_count(new_inode); } mark_buffer_dirty_inode(old_bh, old_dir); @@ -300,9 +304,9 @@ static int bfs_add_entry(struct inode *dir, const unsigned char *name, pos = (block - sblock) * BFS_BSIZE + off; if (pos >= dir->i_size) { dir->i_size += BFS_DIRENT_SIZE; - dir->i_ctime = CURRENT_TIME_SEC; + dir->i_ctime = current_time(dir); } - dir->i_mtime = CURRENT_TIME_SEC; + dir->i_mtime = current_time(dir); mark_inode_dirty(dir); de->ino = cpu_to_le16((u16)ino); for (i = 0; i < BFS_NAMELEN; i++) diff --git a/fs/binfmt_misc.c b/fs/binfmt_misc.c index 6103a6362ccd..9b4688ab1d8e 100644 --- a/fs/binfmt_misc.c +++ b/fs/binfmt_misc.c @@ -584,7 +584,7 @@ static struct inode *bm_get_inode(struct super_block *sb, int mode) inode->i_ino = get_next_ino(); inode->i_mode = mode; inode->i_atime = inode->i_mtime = inode->i_ctime = - current_fs_time(inode->i_sb); + current_time(inode); } return inode; } diff --git a/fs/block_dev.c b/fs/block_dev.c index 376e4e426324..05b553368bb4 100644 --- a/fs/block_dev.c +++ b/fs/block_dev.c @@ -30,6 +30,7 @@ #include <linux/cleancache.h> #include <linux/dax.h> #include <linux/badblocks.h> +#include <linux/falloc.h> #include <asm/uaccess.h> #include "internal.h" @@ -1775,6 +1776,81 @@ static const struct address_space_operations def_blk_aops = { .is_dirty_writeback = buffer_check_dirty_writeback, }; +#define BLKDEV_FALLOC_FL_SUPPORTED \ + (FALLOC_FL_KEEP_SIZE | FALLOC_FL_PUNCH_HOLE | \ + FALLOC_FL_ZERO_RANGE | FALLOC_FL_NO_HIDE_STALE) + +static long blkdev_fallocate(struct file *file, int mode, loff_t start, + loff_t len) +{ + struct block_device *bdev = I_BDEV(bdev_file_inode(file)); + struct request_queue *q = bdev_get_queue(bdev); + struct address_space *mapping; + loff_t end = start + len - 1; + loff_t isize; + int error; + + /* Fail if we don't recognize the flags. */ + if (mode & ~BLKDEV_FALLOC_FL_SUPPORTED) + return -EOPNOTSUPP; + + /* Don't go off the end of the device. */ + isize = i_size_read(bdev->bd_inode); + if (start >= isize) + return -EINVAL; + if (end >= isize) { + if (mode & FALLOC_FL_KEEP_SIZE) { + len = isize - start; + end = start + len - 1; + } else + return -EINVAL; + } + + /* + * Don't allow IO that isn't aligned to logical block size. + */ + if ((start | len) & (bdev_logical_block_size(bdev) - 1)) + return -EINVAL; + + /* Invalidate the page cache, including dirty pages. */ + mapping = bdev->bd_inode->i_mapping; + truncate_inode_pages_range(mapping, start, end); + + switch (mode) { + case FALLOC_FL_ZERO_RANGE: + case FALLOC_FL_ZERO_RANGE | FALLOC_FL_KEEP_SIZE: + error = blkdev_issue_zeroout(bdev, start >> 9, len >> 9, + GFP_KERNEL, false); + break; + case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE: + /* Only punch if the device can do zeroing discard. */ + if (!blk_queue_discard(q) || !q->limits.discard_zeroes_data) + return -EOPNOTSUPP; + error = blkdev_issue_discard(bdev, start >> 9, len >> 9, + GFP_KERNEL, 0); + break; + case FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE | FALLOC_FL_NO_HIDE_STALE: + if (!blk_queue_discard(q)) + return -EOPNOTSUPP; + error = blkdev_issue_discard(bdev, start >> 9, len >> 9, + GFP_KERNEL, 0); + break; + default: + return -EOPNOTSUPP; + } + if (error) + return error; + + /* + * Invalidate again; if someone wandered in and dirtied a page, + * the caller will be given -EBUSY. The third argument is + * inclusive, so the rounding here is safe. + */ + return invalidate_inode_pages2_range(mapping, + start >> PAGE_SHIFT, + end >> PAGE_SHIFT); +} + const struct file_operations def_blk_fops = { .open = blkdev_open, .release = blkdev_close, @@ -1789,6 +1865,7 @@ const struct file_operations def_blk_fops = { #endif .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, + .fallocate = blkdev_fallocate, }; int ioctl_by_bdev(struct block_device *bdev, unsigned cmd, unsigned long arg) diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c index 53bb7af4e5f0..247b8dfaf6e5 100644 --- a/fs/btrfs/acl.c +++ b/fs/btrfs/acl.c @@ -79,11 +79,9 @@ static int __btrfs_set_acl(struct btrfs_trans_handle *trans, case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - ret = posix_acl_equiv_mode(acl, &inode->i_mode); - if (ret < 0) + ret = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (ret) return ret; - if (ret == 0) - acl = NULL; } ret = 0; break; diff --git a/fs/btrfs/backref.c b/fs/btrfs/backref.c index 455a6b2fd539..85dc7ab8f89e 100644 --- a/fs/btrfs/backref.c +++ b/fs/btrfs/backref.c @@ -17,6 +17,7 @@ */ #include <linux/vmalloc.h> +#include <linux/rbtree.h> #include "ctree.h" #include "disk-io.h" #include "backref.h" @@ -34,6 +35,265 @@ struct extent_inode_elem { struct extent_inode_elem *next; }; +/* + * ref_root is used as the root of the ref tree that hold a collection + * of unique references. + */ +struct ref_root { + struct rb_root rb_root; + + /* + * The unique_refs represents the number of ref_nodes with a positive + * count stored in the tree. Even if a ref_node (the count is greater + * than one) is added, the unique_refs will only increase by one. + */ + unsigned int unique_refs; +}; + +/* ref_node is used to store a unique reference to the ref tree. */ +struct ref_node { + struct rb_node rb_node; + + /* For NORMAL_REF, otherwise all these fields should be set to 0 */ + u64 root_id; + u64 object_id; + u64 offset; + + /* For SHARED_REF, otherwise parent field should be set to 0 */ + u64 parent; + + /* Ref to the ref_mod of btrfs_delayed_ref_node */ + int ref_mod; +}; + +/* Dynamically allocate and initialize a ref_root */ +static struct ref_root *ref_root_alloc(void) +{ + struct ref_root *ref_tree; + + ref_tree = kmalloc(sizeof(*ref_tree), GFP_NOFS); + if (!ref_tree) + return NULL; + + ref_tree->rb_root = RB_ROOT; + ref_tree->unique_refs = 0; + + return ref_tree; +} + +/* Free all nodes in the ref tree, and reinit ref_root */ +static void ref_root_fini(struct ref_root *ref_tree) +{ + struct ref_node *node; + struct rb_node *next; + + while ((next = rb_first(&ref_tree->rb_root)) != NULL) { + node = rb_entry(next, struct ref_node, rb_node); + rb_erase(next, &ref_tree->rb_root); + kfree(node); + } + + ref_tree->rb_root = RB_ROOT; + ref_tree->unique_refs = 0; +} + +static void ref_root_free(struct ref_root *ref_tree) +{ + if (!ref_tree) + return; + + ref_root_fini(ref_tree); + kfree(ref_tree); +} + +/* + * Compare ref_node with (root_id, object_id, offset, parent) + * + * The function compares two ref_node a and b. It returns an integer less + * than, equal to, or greater than zero , respectively, to be less than, to + * equal, or be greater than b. + */ +static int ref_node_cmp(struct ref_node *a, struct ref_node *b) +{ + if (a->root_id < b->root_id) + return -1; + else if (a->root_id > b->root_id) + return 1; + + if (a->object_id < b->object_id) + return -1; + else if (a->object_id > b->object_id) + return 1; + + if (a->offset < b->offset) + return -1; + else if (a->offset > b->offset) + return 1; + + if (a->parent < b->parent) + return -1; + else if (a->parent > b->parent) + return 1; + + return 0; +} + +/* + * Search ref_node with (root_id, object_id, offset, parent) in the tree + * + * if found, the pointer of the ref_node will be returned; + * if not found, NULL will be returned and pos will point to the rb_node for + * insert, pos_parent will point to pos'parent for insert; +*/ +static struct ref_node *__ref_tree_search(struct ref_root *ref_tree, + struct rb_node ***pos, + struct rb_node **pos_parent, + u64 root_id, u64 object_id, + u64 offset, u64 parent) +{ + struct ref_node *cur = NULL; + struct ref_node entry; + int ret; + + entry.root_id = root_id; + entry.object_id = object_id; + entry.offset = offset; + entry.parent = parent; + + *pos = &ref_tree->rb_root.rb_node; + + while (**pos) { + *pos_parent = **pos; + cur = rb_entry(*pos_parent, struct ref_node, rb_node); + + ret = ref_node_cmp(cur, &entry); + if (ret > 0) + *pos = &(**pos)->rb_left; + else if (ret < 0) + *pos = &(**pos)->rb_right; + else + return cur; + } + + return NULL; +} + +/* + * Insert a ref_node to the ref tree + * @pos used for specifiy the position to insert + * @pos_parent for specifiy pos's parent + * + * success, return 0; + * ref_node already exists, return -EEXIST; +*/ +static int ref_tree_insert(struct ref_root *ref_tree, struct rb_node **pos, + struct rb_node *pos_parent, struct ref_node *ins) +{ + struct rb_node **p = NULL; + struct rb_node *parent = NULL; + struct ref_node *cur = NULL; + + if (!pos) { + cur = __ref_tree_search(ref_tree, &p, &parent, ins->root_id, + ins->object_id, ins->offset, + ins->parent); + if (cur) + return -EEXIST; + } else { + p = pos; + parent = pos_parent; + } + + rb_link_node(&ins->rb_node, parent, p); + rb_insert_color(&ins->rb_node, &ref_tree->rb_root); + + return 0; +} + +/* Erase and free ref_node, caller should update ref_root->unique_refs */ +static void ref_tree_remove(struct ref_root *ref_tree, struct ref_node *node) +{ + rb_erase(&node->rb_node, &ref_tree->rb_root); + kfree(node); +} + +/* + * Update ref_root->unique_refs + * + * Call __ref_tree_search + * 1. if ref_node doesn't exist, ref_tree_insert this node, and update + * ref_root->unique_refs: + * if ref_node->ref_mod > 0, ref_root->unique_refs++; + * if ref_node->ref_mod < 0, do noting; + * + * 2. if ref_node is found, then get origin ref_node->ref_mod, and update + * ref_node->ref_mod. + * if ref_node->ref_mod is equal to 0,then call ref_tree_remove + * + * according to origin_mod and new_mod, update ref_root->items + * +----------------+--------------+-------------+ + * | |new_count <= 0|new_count > 0| + * +----------------+--------------+-------------+ + * |origin_count < 0| 0 | 1 | + * +----------------+--------------+-------------+ + * |origin_count > 0| -1 | 0 | + * +----------------+--------------+-------------+ + * + * In case of allocation failure, -ENOMEM is returned and the ref_tree stays + * unaltered. + * Success, return 0 + */ +static int ref_tree_add(struct ref_root *ref_tree, u64 root_id, u64 object_id, + u64 offset, u64 parent, int count) +{ + struct ref_node *node = NULL; + struct rb_node **pos = NULL; + struct rb_node *pos_parent = NULL; + int origin_count; + int ret; + + if (!count) + return 0; + + node = __ref_tree_search(ref_tree, &pos, &pos_parent, root_id, + object_id, offset, parent); + if (node == NULL) { + node = kmalloc(sizeof(*node), GFP_NOFS); + if (!node) + return -ENOMEM; + + node->root_id = root_id; + node->object_id = object_id; + node->offset = offset; + node->parent = parent; + node->ref_mod = count; + + ret = ref_tree_insert(ref_tree, pos, pos_parent, node); + ASSERT(!ret); + if (ret) { + kfree(node); + return ret; + } + + ref_tree->unique_refs += node->ref_mod > 0 ? 1 : 0; + + return 0; + } + + origin_count = node->ref_mod; + node->ref_mod += count; + + if (node->ref_mod > 0) + ref_tree->unique_refs += origin_count > 0 ? 0 : 1; + else if (node->ref_mod <= 0) + ref_tree->unique_refs += origin_count > 0 ? -1 : 0; + + if (!node->ref_mod) + ref_tree_remove(ref_tree, node); + + return 0; +} + static int check_extent_in_eb(struct btrfs_key *key, struct extent_buffer *eb, struct btrfs_file_extent_item *fi, u64 extent_item_pos, @@ -390,8 +650,8 @@ static int __resolve_indirect_ref(struct btrfs_fs_info *fs_info, /* root node has been locked, we can release @subvol_srcu safely here */ srcu_read_unlock(&fs_info->subvol_srcu, index); - pr_debug("search slot in root %llu (level %d, ref count %d) returned " - "%d for key (%llu %u %llu)\n", + btrfs_debug(fs_info, + "search slot in root %llu (level %d, ref count %d) returned %d for key (%llu %u %llu)", ref->root_id, level, ref->count, ret, ref->key_for_search.objectid, ref->key_for_search.type, ref->key_for_search.offset); @@ -700,6 +960,7 @@ static int __add_delayed_refs(struct btrfs_delayed_ref_head *head, u64 seq, static int __add_inline_refs(struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, int *info_level, struct list_head *prefs, + struct ref_root *ref_tree, u64 *total_refs, u64 inum) { int ret = 0; @@ -767,6 +1028,13 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info, count = btrfs_shared_data_ref_count(leaf, sdref); ret = __add_prelim_ref(prefs, 0, NULL, 0, offset, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, 0, 0, 0, + bytenr, count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } case BTRFS_TREE_BLOCK_REF_KEY: @@ -794,6 +1062,15 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info, root = btrfs_extent_data_ref_root(leaf, dref); ret = __add_prelim_ref(prefs, root, &key, 0, 0, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, root, + key.objectid, + key.offset, 0, + count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } default: @@ -812,7 +1089,8 @@ static int __add_inline_refs(struct btrfs_fs_info *fs_info, */ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, struct btrfs_path *path, u64 bytenr, - int info_level, struct list_head *prefs, u64 inum) + int info_level, struct list_head *prefs, + struct ref_root *ref_tree, u64 inum) { struct btrfs_root *extent_root = fs_info->extent_root; int ret; @@ -855,6 +1133,13 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, count = btrfs_shared_data_ref_count(leaf, sdref); ret = __add_prelim_ref(prefs, 0, NULL, 0, key.offset, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, 0, 0, 0, + bytenr, count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } case BTRFS_TREE_BLOCK_REF_KEY: @@ -883,6 +1168,15 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, root = btrfs_extent_data_ref_root(leaf, dref); ret = __add_prelim_ref(prefs, root, &key, 0, 0, bytenr, count, GFP_NOFS); + if (ref_tree) { + if (!ret) + ret = ref_tree_add(ref_tree, root, + key.objectid, + key.offset, 0, + count); + if (!ret && ref_tree->unique_refs > 1) + ret = BACKREF_FOUND_SHARED; + } break; } default: @@ -909,13 +1203,16 @@ static int __add_keyed_refs(struct btrfs_fs_info *fs_info, * commit root. * The special case is for qgroup to search roots in commit_transaction(). * + * If check_shared is set to 1, any extent has more than one ref item, will + * be returned BACKREF_FOUND_SHARED immediately. + * * FIXME some caching might speed things up */ static int find_parent_nodes(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 time_seq, struct ulist *refs, struct ulist *roots, const u64 *extent_item_pos, - u64 root_objectid, u64 inum) + u64 root_objectid, u64 inum, int check_shared) { struct btrfs_key key; struct btrfs_path *path; @@ -927,6 +1224,7 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, struct list_head prefs; struct __prelim_ref *ref; struct extent_inode_elem *eie = NULL; + struct ref_root *ref_tree = NULL; u64 total_refs = 0; INIT_LIST_HEAD(&prefs); @@ -958,6 +1256,18 @@ static int find_parent_nodes(struct btrfs_trans_handle *trans, again: head = NULL; + if (check_shared) { + if (!ref_tree) { + ref_tree = ref_root_alloc(); + if (!ref_tree) { + ret = -ENOMEM; + goto out; + } + } else { + ref_root_fini(ref_tree); + } + } + ret = btrfs_search_slot(trans, fs_info->extent_root, &key, path, 0, 0); if (ret < 0) goto out; @@ -1002,6 +1312,36 @@ again: } else { spin_unlock(&delayed_refs->lock); } + + if (check_shared && !list_empty(&prefs_delayed)) { + /* + * Add all delay_ref to the ref_tree and check if there + * are multiple ref items added. + */ + list_for_each_entry(ref, &prefs_delayed, list) { + if (ref->key_for_search.type) { + ret = ref_tree_add(ref_tree, + ref->root_id, + ref->key_for_search.objectid, + ref->key_for_search.offset, + 0, ref->count); + if (ret) + goto out; + } else { + ret = ref_tree_add(ref_tree, 0, 0, 0, + ref->parent, ref->count); + if (ret) + goto out; + } + + } + + if (ref_tree->unique_refs > 1) { + ret = BACKREF_FOUND_SHARED; + goto out; + } + + } } if (path->slots[0]) { @@ -1017,11 +1357,13 @@ again: key.type == BTRFS_METADATA_ITEM_KEY)) { ret = __add_inline_refs(fs_info, path, bytenr, &info_level, &prefs, - &total_refs, inum); + ref_tree, &total_refs, + inum); if (ret) goto out; ret = __add_keyed_refs(fs_info, path, bytenr, - info_level, &prefs, inum); + info_level, &prefs, + ref_tree, inum); if (ret) goto out; } @@ -1106,6 +1448,7 @@ again: out: btrfs_free_path(path); + ref_root_free(ref_tree); while (!list_empty(&prefs)) { ref = list_first_entry(&prefs, struct __prelim_ref, list); list_del(&ref->list); @@ -1159,8 +1502,8 @@ static int btrfs_find_all_leafs(struct btrfs_trans_handle *trans, if (!*leafs) return -ENOMEM; - ret = find_parent_nodes(trans, fs_info, bytenr, - time_seq, *leafs, NULL, extent_item_pos, 0, 0); + ret = find_parent_nodes(trans, fs_info, bytenr, time_seq, + *leafs, NULL, extent_item_pos, 0, 0, 0); if (ret < 0 && ret != -ENOENT) { free_leaf_list(*leafs); return ret; @@ -1202,8 +1545,8 @@ static int __btrfs_find_all_roots(struct btrfs_trans_handle *trans, ULIST_ITER_INIT(&uiter); while (1) { - ret = find_parent_nodes(trans, fs_info, bytenr, - time_seq, tmp, *roots, NULL, 0, 0); + ret = find_parent_nodes(trans, fs_info, bytenr, time_seq, + tmp, *roots, NULL, 0, 0, 0); if (ret < 0 && ret != -ENOENT) { ulist_free(tmp); ulist_free(*roots); @@ -1273,7 +1616,7 @@ int btrfs_check_shared(struct btrfs_trans_handle *trans, ULIST_ITER_INIT(&uiter); while (1) { ret = find_parent_nodes(trans, fs_info, bytenr, elem.seq, tmp, - roots, NULL, root_objectid, inum); + roots, NULL, root_objectid, inum, 1); if (ret == BACKREF_FOUND_SHARED) { /* this is the only condition under which we return 1 */ ret = 1; @@ -1492,7 +1835,8 @@ int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical, if (found_key->objectid > logical || found_key->objectid + size <= logical) { - pr_debug("logical %llu is not within any extent\n", logical); + btrfs_debug(fs_info, + "logical %llu is not within any extent", logical); return -ENOENT; } @@ -1503,8 +1847,8 @@ int extent_from_logical(struct btrfs_fs_info *fs_info, u64 logical, ei = btrfs_item_ptr(eb, path->slots[0], struct btrfs_extent_item); flags = btrfs_extent_flags(eb, ei); - pr_debug("logical %llu is at position %llu within the extent (%llu " - "EXTENT_ITEM %llu) flags %#llx size %u\n", + btrfs_debug(fs_info, + "logical %llu is at position %llu within the extent (%llu EXTENT_ITEM %llu) flags %#llx size %u", logical, logical - found_key->objectid, found_key->objectid, found_key->offset, flags, item_size); @@ -1625,21 +1969,24 @@ int tree_backref_for_extent(unsigned long *ptr, struct extent_buffer *eb, return 0; } -static int iterate_leaf_refs(struct extent_inode_elem *inode_list, - u64 root, u64 extent_item_objectid, - iterate_extent_inodes_t *iterate, void *ctx) +static int iterate_leaf_refs(struct btrfs_fs_info *fs_info, + struct extent_inode_elem *inode_list, + u64 root, u64 extent_item_objectid, + iterate_extent_inodes_t *iterate, void *ctx) { struct extent_inode_elem *eie; int ret = 0; for (eie = inode_list; eie; eie = eie->next) { - pr_debug("ref for %llu resolved, key (%llu EXTEND_DATA %llu), " - "root %llu\n", extent_item_objectid, - eie->inum, eie->offset, root); + btrfs_debug(fs_info, + "ref for %llu resolved, key (%llu EXTEND_DATA %llu), root %llu", + extent_item_objectid, eie->inum, + eie->offset, root); ret = iterate(eie->inum, eie->offset, root, ctx); if (ret) { - pr_debug("stopping iteration for %llu due to ret=%d\n", - extent_item_objectid, ret); + btrfs_debug(fs_info, + "stopping iteration for %llu due to ret=%d", + extent_item_objectid, ret); break; } } @@ -1667,7 +2014,7 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, struct ulist_iterator ref_uiter; struct ulist_iterator root_uiter; - pr_debug("resolving all inodes for extent %llu\n", + btrfs_debug(fs_info, "resolving all inodes for extent %llu", extent_item_objectid); if (!search_commit_root) { @@ -1693,10 +2040,12 @@ int iterate_extent_inodes(struct btrfs_fs_info *fs_info, break; ULIST_ITER_INIT(&root_uiter); while (!ret && (root_node = ulist_next(roots, &root_uiter))) { - pr_debug("root %llu references leaf %llu, data list " - "%#llx\n", root_node->val, ref_node->val, - ref_node->aux); - ret = iterate_leaf_refs((struct extent_inode_elem *) + btrfs_debug(fs_info, + "root %llu references leaf %llu, data list %#llx", + root_node->val, ref_node->val, + ref_node->aux); + ret = iterate_leaf_refs(fs_info, + (struct extent_inode_elem *) (uintptr_t)ref_node->aux, root_node->val, extent_item_objectid, @@ -1792,9 +2141,9 @@ static int iterate_inode_refs(u64 inum, struct btrfs_root *fs_root, for (cur = 0; cur < btrfs_item_size(eb, item); cur += len) { name_len = btrfs_inode_ref_name_len(eb, iref); /* path must be released before calling iterate()! */ - pr_debug("following ref at offset %u for inode %llu in " - "tree %llu\n", cur, found_key.objectid, - fs_root->objectid); + btrfs_debug(fs_root->fs_info, + "following ref at offset %u for inode %llu in tree %llu", + cur, found_key.objectid, fs_root->objectid); ret = iterate(parent, name_len, (unsigned long)(iref + 1), eb, ctx); if (ret) diff --git a/fs/btrfs/btrfs_inode.h b/fs/btrfs/btrfs_inode.h index 4919aedb5fc1..1a8fa46ff87e 100644 --- a/fs/btrfs/btrfs_inode.h +++ b/fs/btrfs/btrfs_inode.h @@ -44,17 +44,6 @@ #define BTRFS_INODE_IN_DELALLOC_LIST 9 #define BTRFS_INODE_READDIO_NEED_LOCK 10 #define BTRFS_INODE_HAS_PROPS 11 -/* - * The following 3 bits are meant only for the btree inode. - * When any of them is set, it means an error happened while writing an - * extent buffer belonging to: - * 1) a non-log btree - * 2) a log btree and first log sub-transaction - * 3) a log btree and second log sub-transaction - */ -#define BTRFS_INODE_BTREE_ERR 12 -#define BTRFS_INODE_BTREE_LOG1_ERR 13 -#define BTRFS_INODE_BTREE_LOG2_ERR 14 /* in memory btrfs inode */ struct btrfs_inode { diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c index 66789471b49d..8e99251650b3 100644 --- a/fs/btrfs/check-integrity.c +++ b/fs/btrfs/check-integrity.c @@ -656,7 +656,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, BUG_ON(NULL == state); selected_super = kzalloc(sizeof(*selected_super), GFP_NOFS); if (NULL == selected_super) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); return -ENOMEM; } @@ -681,7 +681,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, } if (NULL == state->latest_superblock) { - printk(KERN_INFO "btrfsic: no superblock found!\n"); + pr_info("btrfsic: no superblock found!\n"); kfree(selected_super); return -1; } @@ -698,13 +698,13 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, next_bytenr = btrfs_super_root(selected_super); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "root@%llu\n", next_bytenr); + pr_info("root@%llu\n", next_bytenr); break; case 1: next_bytenr = btrfs_super_chunk_root(selected_super); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "chunk@%llu\n", next_bytenr); + pr_info("chunk@%llu\n", next_bytenr); break; case 2: next_bytenr = btrfs_super_log_root(selected_super); @@ -712,7 +712,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, continue; if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "log@%llu\n", next_bytenr); + pr_info("log@%llu\n", next_bytenr); break; } @@ -720,7 +720,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { @@ -733,9 +733,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, &tmp_next_block_ctx, mirror_num); if (ret) { - printk(KERN_INFO "btrfsic:" - " btrfsic_map_block(root @%llu," - " mirror %d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(root @%llu, mirror %d) failed!\n", next_bytenr, mirror_num); kfree(selected_super); return -1; @@ -758,8 +756,7 @@ static int btrfsic_process_superblock(struct btrfsic_state *state, ret = btrfsic_read_block(state, &tmp_next_block_ctx); if (ret < (int)PAGE_SIZE) { - printk(KERN_INFO - "btrfsic: read @logical %llu failed!\n", + pr_info("btrfsic: read @logical %llu failed!\n", tmp_next_block_ctx.start); btrfsic_release_block_ctx(&tmp_next_block_ctx); kfree(selected_super); @@ -820,7 +817,7 @@ static int btrfsic_process_superblock_dev_mirror( if (NULL == superblock_tmp) { superblock_tmp = btrfsic_block_alloc(); if (NULL == superblock_tmp) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); brelse(bh); return -1; } @@ -894,7 +891,7 @@ static int btrfsic_process_superblock_dev_mirror( btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { struct btrfsic_block *next_block; @@ -905,8 +902,7 @@ static int btrfsic_process_superblock_dev_mirror( state->metablock_size, &tmp_next_block_ctx, mirror_num)) { - printk(KERN_INFO "btrfsic: btrfsic_map_block(" - "bytenr @%llu, mirror %d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(bytenr @%llu, mirror %d) failed!\n", next_bytenr, mirror_num); brelse(bh); return -1; @@ -948,7 +944,7 @@ static struct btrfsic_stack_frame *btrfsic_stack_frame_alloc(void) sf = kzalloc(sizeof(*sf), GFP_NOFS); if (NULL == sf) - printk(KERN_INFO "btrfsic: alloc memory failed!\n"); + pr_info("btrfsic: alloc memory failed!\n"); else sf->magic = BTRFSIC_BLOCK_STACK_FRAME_MAGIC_NUMBER; return sf; @@ -994,9 +990,7 @@ continue_with_new_stack_frame: sf->nr = btrfs_stack_header_nritems(&leafhdr->header); if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "leaf %llu items %d generation %llu" - " owner %llu\n", + pr_info("leaf %llu items %d generation %llu owner %llu\n", sf->block_ctx->start, sf->nr, btrfs_stack_header_generation( &leafhdr->header), @@ -1023,8 +1017,7 @@ continue_with_current_leaf_stack_frame: if (disk_item_offset + sizeof(struct btrfs_item) > sf->block_ctx->len) { leaf_item_out_of_bounce_error: - printk(KERN_INFO - "btrfsic: leaf item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: leaf item out of bounce at logical %llu, dev %s\n", sf->block_ctx->start, sf->block_ctx->dev->name); goto one_stack_frame_backwards; @@ -1120,8 +1113,7 @@ leaf_item_out_of_bounce_error: sf->nr = btrfs_stack_header_nritems(&nodehdr->header); if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO "node %llu level %d items %d" - " generation %llu owner %llu\n", + pr_info("node %llu level %d items %d generation %llu owner %llu\n", sf->block_ctx->start, nodehdr->header.level, sf->nr, btrfs_stack_header_generation( @@ -1145,8 +1137,7 @@ continue_with_current_node_stack_frame: (uintptr_t)nodehdr; if (key_ptr_offset + sizeof(struct btrfs_key_ptr) > sf->block_ctx->len) { - printk(KERN_INFO - "btrfsic: node item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: node item out of bounce at logical %llu, dev %s\n", sf->block_ctx->start, sf->block_ctx->dev->name); goto one_stack_frame_backwards; @@ -1275,7 +1266,7 @@ static int btrfsic_create_link_to_next_block( btrfs_num_copies(state->root->fs_info, next_bytenr, state->metablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, *num_copiesp); *mirror_nump = 1; } @@ -1284,15 +1275,13 @@ static int btrfsic_create_link_to_next_block( return 0; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic_create_link_to_next_block(mirror_num=%d)\n", + pr_info("btrfsic_create_link_to_next_block(mirror_num=%d)\n", *mirror_nump); ret = btrfsic_map_block(state, next_bytenr, state->metablock_size, next_block_ctx, *mirror_nump); if (ret) { - printk(KERN_INFO - "btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", next_bytenr, *mirror_nump); btrfsic_release_block_ctx(next_block_ctx); *next_blockp = NULL; @@ -1318,16 +1307,14 @@ static int btrfsic_create_link_to_next_block( if (next_block->logical_bytenr != next_bytenr && !(!next_block->is_metadata && 0 == next_block->logical_bytenr)) - printk(KERN_INFO - "Referenced block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", + pr_info("Referenced block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", next_bytenr, next_block_ctx->dev->name, next_block_ctx->dev_bytenr, *mirror_nump, btrfsic_get_block_type(state, next_block), next_block->logical_bytenr); else - printk(KERN_INFO - "Referenced block @%llu (%s/%llu/%d) found in hash table, %c.\n", + pr_info("Referenced block @%llu (%s/%llu/%d) found in hash table, %c.\n", next_bytenr, next_block_ctx->dev->name, next_block_ctx->dev_bytenr, *mirror_nump, btrfsic_get_block_type(state, @@ -1348,7 +1335,7 @@ static int btrfsic_create_link_to_next_block( if (NULL == l) { l = btrfsic_block_link_alloc(); if (NULL == l) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(next_block_ctx); *next_blockp = NULL; return -1; @@ -1381,8 +1368,7 @@ static int btrfsic_create_link_to_next_block( if (limit_nesting > 0 && did_alloc_block_link) { ret = btrfsic_read_block(state, next_block_ctx); if (ret < (int)next_block_ctx->len) { - printk(KERN_INFO - "btrfsic: read block @logical %llu failed!\n", + pr_info("btrfsic: read block @logical %llu failed!\n", next_bytenr); btrfsic_release_block_ctx(next_block_ctx); *next_blockp = NULL; @@ -1417,8 +1403,7 @@ static int btrfsic_handle_extent_data( if (file_extent_item_offset + offsetof(struct btrfs_file_extent_item, disk_num_bytes) > block_ctx->len) { - printk(KERN_INFO - "btrfsic: file item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: file item out of bounce at logical %llu, dev %s\n", block_ctx->start, block_ctx->dev->name); return -1; } @@ -1429,7 +1414,7 @@ static int btrfsic_handle_extent_data( if (BTRFS_FILE_EXTENT_REG != file_extent_item.type || btrfs_stack_file_extent_disk_bytenr(&file_extent_item) == 0) { if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE) - printk(KERN_INFO "extent_data: type %u, disk_bytenr = %llu\n", + pr_info("extent_data: type %u, disk_bytenr = %llu\n", file_extent_item.type, btrfs_stack_file_extent_disk_bytenr( &file_extent_item)); @@ -1438,8 +1423,7 @@ static int btrfsic_handle_extent_data( if (file_extent_item_offset + sizeof(struct btrfs_file_extent_item) > block_ctx->len) { - printk(KERN_INFO - "btrfsic: file item out of bounce at logical %llu, dev %s\n", + pr_info("btrfsic: file item out of bounce at logical %llu, dev %s\n", block_ctx->start, block_ctx->dev->name); return -1; } @@ -1457,8 +1441,7 @@ static int btrfsic_handle_extent_data( generation = btrfs_stack_file_extent_generation(&file_extent_item); if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE) - printk(KERN_INFO "extent_data: type %u, disk_bytenr = %llu," - " offset = %llu, num_bytes = %llu\n", + pr_info("extent_data: type %u, disk_bytenr = %llu, offset = %llu, num_bytes = %llu\n", file_extent_item.type, btrfs_stack_file_extent_disk_bytenr(&file_extent_item), btrfs_stack_file_extent_offset(&file_extent_item), @@ -1477,7 +1460,7 @@ static int btrfsic_handle_extent_data( btrfs_num_copies(state->root->fs_info, next_bytenr, state->datablock_size); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { struct btrfsic_block_data_ctx next_block_ctx; @@ -1485,19 +1468,16 @@ static int btrfsic_handle_extent_data( int block_was_created; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO "btrfsic_handle_extent_data(" - "mirror_num=%d)\n", mirror_num); + pr_info("btrfsic_handle_extent_data(mirror_num=%d)\n", + mirror_num); if (state->print_mask & BTRFSIC_PRINT_MASK_VERY_VERBOSE) - printk(KERN_INFO - "\tdisk_bytenr = %llu, num_bytes %u\n", + pr_info("\tdisk_bytenr = %llu, num_bytes %u\n", next_bytenr, chunk_len); ret = btrfsic_map_block(state, next_bytenr, chunk_len, &next_block_ctx, mirror_num); if (ret) { - printk(KERN_INFO - "btrfsic: btrfsic_map_block(@%llu," - " mirror=%d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", next_bytenr, mirror_num); return -1; } @@ -1512,8 +1492,7 @@ static int btrfsic_handle_extent_data( mirror_num, &block_was_created); if (NULL == next_block) { - printk(KERN_INFO - "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(&next_block_ctx); return -1; } @@ -1523,12 +1502,7 @@ static int btrfsic_handle_extent_data( next_block->logical_bytenr != next_bytenr && !(!next_block->is_metadata && 0 == next_block->logical_bytenr)) { - printk(KERN_INFO - "Referenced block" - " @%llu (%s/%llu/%d)" - " found in hash table, D," - " bytenr mismatch" - " (!= stored %llu).\n", + pr_info("Referenced block @%llu (%s/%llu/%d) found in hash table, D, bytenr mismatch (!= stored %llu).\n", next_bytenr, next_block_ctx.dev->name, next_block_ctx.dev_bytenr, @@ -1592,7 +1566,7 @@ static int btrfsic_map_block(struct btrfsic_state *state, u64 bytenr, u32 len, kfree(multi); if (NULL == block_ctx_out->dev) { ret = -ENXIO; - printk(KERN_INFO "btrfsic: error, cannot lookup dev (#1)!\n"); + pr_info("btrfsic: error, cannot lookup dev (#1)!\n"); } return ret; @@ -1638,8 +1612,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, BUG_ON(block_ctx->pagev); BUG_ON(block_ctx->mem_to_free); if (block_ctx->dev_bytenr & ((u64)PAGE_SIZE - 1)) { - printk(KERN_INFO - "btrfsic: read_block() with unaligned bytenr %llu\n", + pr_info("btrfsic: read_block() with unaligned bytenr %llu\n", block_ctx->dev_bytenr); return -1; } @@ -1666,8 +1639,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, bio = btrfs_io_bio_alloc(GFP_NOFS, num_pages - i); if (!bio) { - printk(KERN_INFO - "btrfsic: bio_alloc() for %u pages failed!\n", + pr_info("btrfsic: bio_alloc() for %u pages failed!\n", num_pages - i); return -1; } @@ -1682,13 +1654,11 @@ static int btrfsic_read_block(struct btrfsic_state *state, break; } if (j == i) { - printk(KERN_INFO - "btrfsic: error, failed to add a single page!\n"); + pr_info("btrfsic: error, failed to add a single page!\n"); return -1; } if (submit_bio_wait(bio)) { - printk(KERN_INFO - "btrfsic: read error at logical %llu dev %s!\n", + pr_info("btrfsic: read error at logical %llu dev %s!\n", block_ctx->start, block_ctx->dev->name); bio_put(bio); return -1; @@ -1700,7 +1670,7 @@ static int btrfsic_read_block(struct btrfsic_state *state, for (i = 0; i < num_pages; i++) { block_ctx->datav[i] = kmap(block_ctx->pagev[i]); if (!block_ctx->datav[i]) { - printk(KERN_INFO "btrfsic: kmap() failed (dev %s)!\n", + pr_info("btrfsic: kmap() failed (dev %s)!\n", block_ctx->dev->name); return -1; } @@ -1715,19 +1685,17 @@ static void btrfsic_dump_database(struct btrfsic_state *state) BUG_ON(NULL == state); - printk(KERN_INFO "all_blocks_list:\n"); + pr_info("all_blocks_list:\n"); list_for_each_entry(b_all, &state->all_blocks_list, all_blocks_node) { const struct btrfsic_block_link *l; - printk(KERN_INFO "%c-block @%llu (%s/%llu/%d)\n", + pr_info("%c-block @%llu (%s/%llu/%d)\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num); list_for_each_entry(l, &b_all->ref_to_list, node_ref_to) { - printk(KERN_INFO " %c @%llu (%s/%llu/%d)" - " refers %u* to" - " %c @%llu (%s/%llu/%d)\n", + pr_info(" %c @%llu (%s/%llu/%d) refers %u* to %c @%llu (%s/%llu/%d)\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num, @@ -1740,9 +1708,7 @@ static void btrfsic_dump_database(struct btrfsic_state *state) } list_for_each_entry(l, &b_all->ref_from_list, node_ref_from) { - printk(KERN_INFO " %c @%llu (%s/%llu/%d)" - " is ref %u* from" - " %c @%llu (%s/%llu/%d)\n", + pr_info(" %c @%llu (%s/%llu/%d) is ref %u* from %c @%llu (%s/%llu/%d)\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num, @@ -1754,7 +1720,7 @@ static void btrfsic_dump_database(struct btrfsic_state *state) l->block_ref_from->mirror_num); } - printk(KERN_INFO "\n"); + pr_info("\n"); } } @@ -1829,8 +1795,7 @@ again: mapped_datav[0]); if (num_pages * PAGE_SIZE < BTRFS_SUPER_INFO_SIZE) { - printk(KERN_INFO - "btrfsic: cannot work with too short bios!\n"); + pr_info("btrfsic: cannot work with too short bios!\n"); return; } is_metadata = 1; @@ -1838,8 +1803,7 @@ again: processed_len = BTRFS_SUPER_INFO_SIZE; if (state->print_mask & BTRFSIC_PRINT_MASK_TREE_BEFORE_SB_WRITE) { - printk(KERN_INFO - "[before new superblock is written]:\n"); + pr_info("[before new superblock is written]:\n"); btrfsic_dump_tree_sub(state, block, 0); } } @@ -1847,8 +1811,7 @@ again: if (!block->is_superblock) { if (num_pages * PAGE_SIZE < state->metablock_size) { - printk(KERN_INFO - "btrfsic: cannot work with too short bios!\n"); + pr_info("btrfsic: cannot work with too short bios!\n"); return; } processed_len = state->metablock_size; @@ -1863,8 +1826,7 @@ again: if (block->logical_bytenr != bytenr && !(!block->is_metadata && block->logical_bytenr == 0)) - printk(KERN_INFO - "Written block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", + pr_info("Written block @%llu (%s/%llu/%d) found in hash table, %c, bytenr mismatch (!= stored %llu).\n", bytenr, dev_state->name, dev_bytenr, block->mirror_num, @@ -1872,8 +1834,7 @@ again: block), block->logical_bytenr); else - printk(KERN_INFO - "Written block @%llu (%s/%llu/%d) found in hash table, %c.\n", + pr_info("Written block @%llu (%s/%llu/%d) found in hash table, %c.\n", bytenr, dev_state->name, dev_bytenr, block->mirror_num, btrfsic_get_block_type(state, @@ -1883,33 +1844,24 @@ again: } else { if (num_pages * PAGE_SIZE < state->datablock_size) { - printk(KERN_INFO - "btrfsic: cannot work with too short bios!\n"); + pr_info("btrfsic: cannot work with too short bios!\n"); return; } processed_len = state->datablock_size; bytenr = block->logical_bytenr; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "Written block @%llu (%s/%llu/%d)" - " found in hash table, %c.\n", + pr_info("Written block @%llu (%s/%llu/%d) found in hash table, %c.\n", bytenr, dev_state->name, dev_bytenr, block->mirror_num, btrfsic_get_block_type(state, block)); } if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "ref_to_list: %cE, ref_from_list: %cE\n", + pr_info("ref_to_list: %cE, ref_from_list: %cE\n", list_empty(&block->ref_to_list) ? ' ' : '!', list_empty(&block->ref_from_list) ? ' ' : '!'); if (btrfsic_is_block_ref_by_superblock(state, block, 0)) { - printk(KERN_INFO "btrfs: attempt to overwrite %c-block" - " @%llu (%s/%llu/%d), old(gen=%llu," - " objectid=%llu, type=%d, offset=%llu)," - " new(gen=%llu)," - " which is referenced by most recent superblock" - " (superblockgen=%llu)!\n", + pr_info("btrfs: attempt to overwrite %c-block @%llu (%s/%llu/%d), old(gen=%llu, objectid=%llu, type=%d, offset=%llu), new(gen=%llu), which is referenced by most recent superblock (superblockgen=%llu)!\n", btrfsic_get_block_type(state, block), bytenr, dev_state->name, dev_bytenr, block->mirror_num, block->generation, @@ -1923,9 +1875,7 @@ again: } if (!block->is_iodone && !block->never_written) { - printk(KERN_INFO "btrfs: attempt to overwrite %c-block" - " @%llu (%s/%llu/%d), oldgen=%llu, newgen=%llu," - " which is not yet iodone!\n", + pr_info("btrfs: attempt to overwrite %c-block @%llu (%s/%llu/%d), oldgen=%llu, newgen=%llu, which is not yet iodone!\n", btrfsic_get_block_type(state, block), bytenr, dev_state->name, dev_bytenr, block->mirror_num, block->generation, @@ -2023,8 +1973,7 @@ again: mapped_datav[0]); if (state->print_mask & BTRFSIC_PRINT_MASK_TREE_AFTER_SB_WRITE) { - printk(KERN_INFO - "[after new superblock is written]:\n"); + pr_info("[after new superblock is written]:\n"); btrfsic_dump_tree_sub(state, block, 0); } } else { @@ -2036,9 +1985,7 @@ again: 0, 0); } if (ret) - printk(KERN_INFO - "btrfsic: btrfsic_process_metablock" - "(root @%llu) failed!\n", + pr_info("btrfsic: btrfsic_process_metablock(root @%llu) failed!\n", dev_bytenr); } else { block->is_metadata = 0; @@ -2065,8 +2012,7 @@ again: if (!is_metadata) { processed_len = state->datablock_size; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO "Written block (%s/%llu/?)" - " !found in hash table, D.\n", + pr_info("Written block (%s/%llu/?) !found in hash table, D.\n", dev_state->name, dev_bytenr); if (!state->include_extent_data) { /* ignore that written D block */ @@ -2084,9 +2030,7 @@ again: btrfsic_cmp_log_and_dev_bytenr(state, bytenr, dev_state, dev_bytenr); if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "Written block @%llu (%s/%llu/?)" - " !found in hash table, M.\n", + pr_info("Written block @%llu (%s/%llu/?) !found in hash table, M.\n", bytenr, dev_state->name, dev_bytenr); } @@ -2100,7 +2044,7 @@ again: block = btrfsic_block_alloc(); if (NULL == block) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(&block_ctx); goto continue_loop; } @@ -2150,8 +2094,7 @@ again: block->next_in_same_bio = NULL; } if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "New written %c-block @%llu (%s/%llu/%d)\n", + pr_info("New written %c-block @%llu (%s/%llu/%d)\n", is_metadata ? 'M' : 'D', block->logical_bytenr, block->dev_state->name, block->dev_bytenr, block->mirror_num); @@ -2162,9 +2105,7 @@ again: ret = btrfsic_process_metablock(state, block, &block_ctx, 0, 0); if (ret) - printk(KERN_INFO - "btrfsic: process_metablock(root @%llu)" - " failed!\n", + pr_info("btrfsic: process_metablock(root @%llu) failed!\n", dev_bytenr); } btrfsic_release_block_ctx(&block_ctx); @@ -2199,8 +2140,7 @@ static void btrfsic_bio_end_io(struct bio *bp) if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bio_end_io(err=%d) for %c @%llu (%s/%llu/%d)\n", + pr_info("bio_end_io(err=%d) for %c @%llu (%s/%llu/%d)\n", bp->bi_error, btrfsic_get_block_type(dev_state->state, block), block->logical_bytenr, dev_state->name, @@ -2211,8 +2151,7 @@ static void btrfsic_bio_end_io(struct bio *bp) dev_state->last_flush_gen++; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bio_end_io() new %s flush_gen=%llu\n", + pr_info("bio_end_io() new %s flush_gen=%llu\n", dev_state->name, dev_state->last_flush_gen); } @@ -2235,8 +2174,7 @@ static void btrfsic_bh_end_io(struct buffer_head *bh, int uptodate) BUG_ON(NULL == block); dev_state = block->dev_state; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bh_end_io(error=%d) for %c @%llu (%s/%llu/%d)\n", + pr_info("bh_end_io(error=%d) for %c @%llu (%s/%llu/%d)\n", iodone_w_error, btrfsic_get_block_type(dev_state->state, block), block->logical_bytenr, block->dev_state->name, @@ -2247,8 +2185,7 @@ static void btrfsic_bh_end_io(struct buffer_head *bh, int uptodate) dev_state->last_flush_gen++; if ((dev_state->state->print_mask & BTRFSIC_PRINT_MASK_END_IO_BIO_BH)) - printk(KERN_INFO - "bh_end_io() new %s flush_gen=%llu\n", + pr_info("bh_end_io() new %s flush_gen=%llu\n", dev_state->name, dev_state->last_flush_gen); } if (block->submit_bio_bh_rw & REQ_FUA) @@ -2271,9 +2208,7 @@ static int btrfsic_process_written_superblock( if (!(superblock->generation > state->max_superblock_generation || 0 == state->max_superblock_generation)) { if (state->print_mask & BTRFSIC_PRINT_MASK_SUPERBLOCK_WRITE) - printk(KERN_INFO - "btrfsic: superblock @%llu (%s/%llu/%d)" - " with old gen %llu <= %llu\n", + pr_info("btrfsic: superblock @%llu (%s/%llu/%d) with old gen %llu <= %llu\n", superblock->logical_bytenr, superblock->dev_state->name, superblock->dev_bytenr, superblock->mirror_num, @@ -2281,9 +2216,7 @@ static int btrfsic_process_written_superblock( state->max_superblock_generation); } else { if (state->print_mask & BTRFSIC_PRINT_MASK_SUPERBLOCK_WRITE) - printk(KERN_INFO - "btrfsic: got new superblock @%llu (%s/%llu/%d)" - " with new gen %llu > %llu\n", + pr_info("btrfsic: got new superblock @%llu (%s/%llu/%d) with new gen %llu > %llu\n", superblock->logical_bytenr, superblock->dev_state->name, superblock->dev_bytenr, superblock->mirror_num, @@ -2318,7 +2251,7 @@ static int btrfsic_process_written_superblock( next_bytenr = btrfs_super_root(super_hdr); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "root@%llu\n", next_bytenr); + pr_info("root@%llu\n", next_bytenr); break; case 1: btrfs_set_disk_key_objectid(&tmp_disk_key, @@ -2327,7 +2260,7 @@ static int btrfsic_process_written_superblock( next_bytenr = btrfs_super_chunk_root(super_hdr); if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "chunk@%llu\n", next_bytenr); + pr_info("chunk@%llu\n", next_bytenr); break; case 2: btrfs_set_disk_key_objectid(&tmp_disk_key, @@ -2338,7 +2271,7 @@ static int btrfsic_process_written_superblock( continue; if (state->print_mask & BTRFSIC_PRINT_MASK_ROOT_CHUNK_LOG_TREE_LOCATION) - printk(KERN_INFO "log@%llu\n", next_bytenr); + pr_info("log@%llu\n", next_bytenr); break; } @@ -2346,23 +2279,19 @@ static int btrfsic_process_written_superblock( btrfs_num_copies(state->root->fs_info, next_bytenr, BTRFS_SUPER_INFO_SIZE); if (state->print_mask & BTRFSIC_PRINT_MASK_NUM_COPIES) - printk(KERN_INFO "num_copies(log_bytenr=%llu) = %d\n", + pr_info("num_copies(log_bytenr=%llu) = %d\n", next_bytenr, num_copies); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { int was_created; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic_process_written_superblock(" - "mirror_num=%d)\n", mirror_num); + pr_info("btrfsic_process_written_superblock(mirror_num=%d)\n", mirror_num); ret = btrfsic_map_block(state, next_bytenr, BTRFS_SUPER_INFO_SIZE, &tmp_next_block_ctx, mirror_num); if (ret) { - printk(KERN_INFO - "btrfsic: btrfsic_map_block(@%llu," - " mirror=%d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(@%llu, mirror=%d) failed!\n", next_bytenr, mirror_num); return -1; } @@ -2375,8 +2304,7 @@ static int btrfsic_process_written_superblock( mirror_num, &was_created); if (NULL == next_block) { - printk(KERN_INFO - "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); btrfsic_release_block_ctx(&tmp_next_block_ctx); return -1; } @@ -2425,8 +2353,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, * by the most recent super block. */ if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic: abort cyclic linkage (case 1).\n"); + pr_info("btrfsic: abort cyclic linkage (case 1).\n"); return ret; } @@ -2437,9 +2364,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, */ list_for_each_entry(l, &block->ref_to_list, node_ref_to) { if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "rl=%d, %c @%llu (%s/%llu/%d)" - " %u* refers to %c @%llu (%s/%llu/%d)\n", + pr_info("rl=%d, %c @%llu (%s/%llu/%d) %u* refers to %c @%llu (%s/%llu/%d)\n", recursion_level, btrfsic_get_block_type(state, block), block->logical_bytenr, block->dev_state->name, @@ -2451,9 +2376,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->block_ref_to->dev_bytenr, l->block_ref_to->mirror_num); if (l->block_ref_to->never_written) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which is never written!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which is never written!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2461,9 +2384,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->block_ref_to->mirror_num); ret = -1; } else if (!l->block_ref_to->is_iodone) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which is not yet iodone!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which is not yet iodone!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2471,9 +2392,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->block_ref_to->mirror_num); ret = -1; } else if (l->block_ref_to->iodone_w_error) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which has write error!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which has write error!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2486,10 +2405,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, l->parent_generation && BTRFSIC_GENERATION_UNKNOWN != l->block_ref_to->generation) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " with generation %llu !=" - " parent generation %llu!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) with generation %llu != parent generation %llu!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2500,11 +2416,7 @@ static int btrfsic_check_all_ref_blocks(struct btrfsic_state *state, ret = -1; } else if (l->block_ref_to->flush_gen > l->block_ref_to->dev_state->last_flush_gen) { - printk(KERN_INFO "btrfs: attempt to write superblock" - " which references block %c @%llu (%s/%llu/%d)" - " which is not flushed out of disk's write cache" - " (block flush_gen=%llu," - " dev->flush_gen=%llu)!\n", + pr_info("btrfs: attempt to write superblock which references block %c @%llu (%s/%llu/%d) which is not flushed out of disk's write cache (block flush_gen=%llu, dev->flush_gen=%llu)!\n", btrfsic_get_block_type(state, l->block_ref_to), l->block_ref_to->logical_bytenr, l->block_ref_to->dev_state->name, @@ -2533,8 +2445,7 @@ static int btrfsic_is_block_ref_by_superblock( if (recursion_level >= 3 + BTRFS_MAX_LEVEL) { /* refer to comment at "abort cyclic linkage (case 1)" */ if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "btrfsic: abort cyclic linkage (case 2).\n"); + pr_info("btrfsic: abort cyclic linkage (case 2).\n"); return 0; } @@ -2545,9 +2456,7 @@ static int btrfsic_is_block_ref_by_superblock( */ list_for_each_entry(l, &block->ref_from_list, node_ref_from) { if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "rl=%d, %c @%llu (%s/%llu/%d)" - " is ref %u* from %c @%llu (%s/%llu/%d)\n", + pr_info("rl=%d, %c @%llu (%s/%llu/%d) is ref %u* from %c @%llu (%s/%llu/%d)\n", recursion_level, btrfsic_get_block_type(state, block), block->logical_bytenr, block->dev_state->name, @@ -2577,9 +2486,7 @@ static int btrfsic_is_block_ref_by_superblock( static void btrfsic_print_add_link(const struct btrfsic_state *state, const struct btrfsic_block_link *l) { - printk(KERN_INFO - "Add %u* link from %c @%llu (%s/%llu/%d)" - " to %c @%llu (%s/%llu/%d).\n", + pr_info("Add %u* link from %c @%llu (%s/%llu/%d) to %c @%llu (%s/%llu/%d).\n", l->ref_cnt, btrfsic_get_block_type(state, l->block_ref_from), l->block_ref_from->logical_bytenr, @@ -2594,9 +2501,7 @@ static void btrfsic_print_add_link(const struct btrfsic_state *state, static void btrfsic_print_rem_link(const struct btrfsic_state *state, const struct btrfsic_block_link *l) { - printk(KERN_INFO - "Rem %u* link from %c @%llu (%s/%llu/%d)" - " to %c @%llu (%s/%llu/%d).\n", + pr_info("Rem %u* link from %c @%llu (%s/%llu/%d) to %c @%llu (%s/%llu/%d).\n", l->ref_cnt, btrfsic_get_block_type(state, l->block_ref_from), l->block_ref_from->logical_bytenr, @@ -2708,8 +2613,7 @@ static struct btrfsic_block_link *btrfsic_block_link_lookup_or_add( if (NULL == l) { l = btrfsic_block_link_alloc(); if (NULL == l) { - printk(KERN_INFO - "btrfsic: error, kmalloc" " failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); return NULL; } @@ -2756,13 +2660,12 @@ static struct btrfsic_block *btrfsic_block_lookup_or_add( block = btrfsic_block_alloc(); if (NULL == block) { - printk(KERN_INFO "btrfsic: error, kmalloc failed!\n"); + pr_info("btrfsic: error, kmalloc failed!\n"); return NULL; } dev_state = btrfsic_dev_state_lookup(block_ctx->dev->bdev); if (NULL == dev_state) { - printk(KERN_INFO - "btrfsic: error, lookup dev_state failed!\n"); + pr_info("btrfsic: error, lookup dev_state failed!\n"); btrfsic_block_free(block); return NULL; } @@ -2774,8 +2677,7 @@ static struct btrfsic_block *btrfsic_block_lookup_or_add( block->never_written = never_written; block->mirror_num = mirror_num; if (state->print_mask & BTRFSIC_PRINT_MASK_VERBOSE) - printk(KERN_INFO - "New %s%c-block @%llu (%s/%llu/%d)\n", + pr_info("New %s%c-block @%llu (%s/%llu/%d)\n", additional_string, btrfsic_get_block_type(state, block), block->logical_bytenr, dev_state->name, @@ -2810,9 +2712,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, ret = btrfsic_map_block(state, bytenr, state->metablock_size, &block_ctx, mirror_num); if (ret) { - printk(KERN_INFO "btrfsic:" - " btrfsic_map_block(logical @%llu," - " mirror %d) failed!\n", + pr_info("btrfsic: btrfsic_map_block(logical @%llu, mirror %d) failed!\n", bytenr, mirror_num); continue; } @@ -2827,9 +2727,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, } if (WARN_ON(!match)) { - printk(KERN_INFO "btrfs: attempt to write M-block which contains logical bytenr that doesn't map to dev+physical bytenr of submit_bio," - " buffer->log_bytenr=%llu, submit_bio(bdev=%s," - " phys_bytenr=%llu)!\n", + pr_info("btrfs: attempt to write M-block which contains logical bytenr that doesn't map to dev+physical bytenr of submit_bio, buffer->log_bytenr=%llu, submit_bio(bdev=%s, phys_bytenr=%llu)!\n", bytenr, dev_state->name, dev_bytenr); for (mirror_num = 1; mirror_num <= num_copies; mirror_num++) { ret = btrfsic_map_block(state, bytenr, @@ -2838,8 +2736,7 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, if (ret) continue; - printk(KERN_INFO "Read logical bytenr @%llu maps to" - " (%s/%llu/%d)\n", + pr_info("Read logical bytenr @%llu maps to (%s/%llu/%d)\n", bytenr, block_ctx.dev->name, block_ctx.dev_bytenr, mirror_num); } @@ -2849,11 +2746,8 @@ static void btrfsic_cmp_log_and_dev_bytenr(struct btrfsic_state *state, static struct btrfsic_dev_state *btrfsic_dev_state_lookup( struct block_device *bdev) { - struct btrfsic_dev_state *ds; - - ds = btrfsic_dev_state_hashtable_lookup(bdev, - &btrfsic_dev_state_hashtable); - return ds; + return btrfsic_dev_state_hashtable_lookup(bdev, + &btrfsic_dev_state_hashtable); } int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) @@ -2876,9 +2770,7 @@ int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) dev_bytenr = 4096 * bh->b_blocknr; if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bh(op=0x%x,0x%x, blocknr=%llu " - "(bytenr %llu), size=%zu, data=%p, bdev=%p)\n", + pr_info("submit_bh(op=0x%x,0x%x, blocknr=%llu (bytenr %llu), size=%zu, data=%p, bdev=%p)\n", op, op_flags, (unsigned long long)bh->b_blocknr, dev_bytenr, bh->b_size, bh->b_data, bh->b_bdev); btrfsic_process_written_block(dev_state, dev_bytenr, @@ -2887,17 +2779,13 @@ int btrfsic_submit_bh(int op, int op_flags, struct buffer_head *bh) } else if (NULL != dev_state && (op_flags & REQ_PREFLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bh(op=0x%x,0x%x FLUSH, bdev=%p)\n", + pr_info("submit_bh(op=0x%x,0x%x FLUSH, bdev=%p)\n", op, op_flags, bh->b_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & (BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH | BTRFSIC_PRINT_MASK_VERBOSE))) - printk(KERN_INFO - "btrfsic_submit_bh(%s) with FLUSH" - " but dummy block already in use" - " (ignored)!\n", + pr_info("btrfsic_submit_bh(%s) with FLUSH but dummy block already in use (ignored)!\n", dev_state->name); } else { struct btrfsic_block *const block = @@ -2942,9 +2830,7 @@ static void __btrfsic_submit_bio(struct bio *bio) bio_is_patched = 0; if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bio(rw=%d,0x%x, bi_vcnt=%u," - " bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n", + pr_info("submit_bio(rw=%d,0x%x, bi_vcnt=%u, bi_sector=%llu (bytenr %llu), bi_bdev=%p)\n", bio_op(bio), bio->bi_opf, bio->bi_vcnt, (unsigned long long)bio->bi_iter.bi_sector, dev_bytenr, bio->bi_bdev); @@ -2967,8 +2853,7 @@ static void __btrfsic_submit_bio(struct bio *bio) } if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH_VERBOSE) - printk(KERN_INFO - "#%u: bytenr=%llu, len=%u, offset=%u\n", + pr_info("#%u: bytenr=%llu, len=%u, offset=%u\n", i, cur_bytenr, bio->bi_io_vec[i].bv_len, bio->bi_io_vec[i].bv_offset); cur_bytenr += bio->bi_io_vec[i].bv_len; @@ -2985,17 +2870,13 @@ static void __btrfsic_submit_bio(struct bio *bio) } else if (NULL != dev_state && (bio->bi_opf & REQ_PREFLUSH)) { if (dev_state->state->print_mask & BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH) - printk(KERN_INFO - "submit_bio(rw=%d,0x%x FLUSH, bdev=%p)\n", + pr_info("submit_bio(rw=%d,0x%x FLUSH, bdev=%p)\n", bio_op(bio), bio->bi_opf, bio->bi_bdev); if (!dev_state->dummy_block_for_bio_bh_flush.is_iodone) { if ((dev_state->state->print_mask & (BTRFSIC_PRINT_MASK_SUBMIT_BIO_BH | BTRFSIC_PRINT_MASK_VERBOSE))) - printk(KERN_INFO - "btrfsic_submit_bio(%s) with FLUSH" - " but dummy block already in use" - " (ignored)!\n", + pr_info("btrfsic_submit_bio(%s) with FLUSH but dummy block already in use (ignored)!\n", dev_state->name); } else { struct btrfsic_block *const block = @@ -3039,14 +2920,12 @@ int btrfsic_mount(struct btrfs_root *root, struct btrfs_device *device; if (root->nodesize & ((u64)PAGE_SIZE - 1)) { - printk(KERN_INFO - "btrfsic: cannot handle nodesize %d not being a multiple of PAGE_SIZE %ld!\n", + pr_info("btrfsic: cannot handle nodesize %d not being a multiple of PAGE_SIZE %ld!\n", root->nodesize, PAGE_SIZE); return -1; } if (root->sectorsize & ((u64)PAGE_SIZE - 1)) { - printk(KERN_INFO - "btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_SIZE %ld!\n", + pr_info("btrfsic: cannot handle sectorsize %d not being a multiple of PAGE_SIZE %ld!\n", root->sectorsize, PAGE_SIZE); return -1; } @@ -3054,7 +2933,7 @@ int btrfsic_mount(struct btrfs_root *root, if (!state) { state = vzalloc(sizeof(*state)); if (!state) { - printk(KERN_INFO "btrfs check-integrity: vzalloc() failed!\n"); + pr_info("btrfs check-integrity: vzalloc() failed!\n"); return -1; } } @@ -3086,8 +2965,7 @@ int btrfsic_mount(struct btrfs_root *root, ds = btrfsic_dev_state_alloc(); if (NULL == ds) { - printk(KERN_INFO - "btrfs check-integrity: kmalloc() failed!\n"); + pr_info("btrfs check-integrity: kmalloc() failed!\n"); mutex_unlock(&btrfsic_mutex); return -1; } @@ -3148,9 +3026,7 @@ void btrfsic_unmount(struct btrfs_root *root, } if (NULL == state) { - printk(KERN_INFO - "btrfsic: error, cannot find state information" - " on umount!\n"); + pr_info("btrfsic: error, cannot find state information on umount!\n"); mutex_unlock(&btrfsic_mutex); return; } @@ -3177,9 +3053,7 @@ void btrfsic_unmount(struct btrfs_root *root, if (b_all->is_iodone || b_all->never_written) btrfsic_block_free(b_all); else - printk(KERN_INFO "btrfs: attempt to free %c-block" - " @%llu (%s/%llu/%d) on umount which is" - " not yet iodone!\n", + pr_info("btrfs: attempt to free %c-block @%llu (%s/%llu/%d) on umount which is not yet iodone!\n", btrfsic_get_block_type(state, b_all), b_all->logical_bytenr, b_all->dev_state->name, b_all->dev_bytenr, b_all->mirror_num); diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c index 029db6e1105c..ccc70d96958d 100644 --- a/fs/btrfs/compression.c +++ b/fs/btrfs/compression.c @@ -783,8 +783,7 @@ void __init btrfs_init_compress(void) */ workspace = btrfs_compress_op[i]->alloc_workspace(); if (IS_ERR(workspace)) { - printk(KERN_WARNING - "BTRFS: cannot preallocate compression workspace, will try later"); + pr_warn("BTRFS: cannot preallocate compression workspace, will try later\n"); } else { atomic_set(&btrfs_comp_ws[i].total_ws, 1); btrfs_comp_ws[i].free_ws = 1; @@ -854,8 +853,7 @@ again: /* no burst */ 1); if (__ratelimit(&_rs)) { - printk(KERN_WARNING - "no compression workspaces, low memory, retrying"); + pr_warn("BTRFS: no compression workspaces, low memory, retrying\n"); } } goto again; diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index d1c56c94dd5a..f6ba165d3f81 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -45,9 +45,7 @@ static int tree_mod_log_free_eb(struct btrfs_fs_info *fs_info, struct btrfs_path *btrfs_alloc_path(void) { - struct btrfs_path *path; - path = kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS); - return path; + return kmem_cache_zalloc(btrfs_path_cachep, GFP_NOFS); } /* @@ -1102,7 +1100,7 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, int level, ret; int last_ref = 0; int unlock_orig = 0; - u64 parent_start; + u64 parent_start = 0; if (*cow_ret == buf) unlock_orig = 1; @@ -1121,13 +1119,8 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, else btrfs_node_key(buf, &disk_key, 0); - if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) { - if (parent) - parent_start = parent->start; - else - parent_start = 0; - } else - parent_start = 0; + if ((root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) && parent) + parent_start = parent->start; cow = btrfs_alloc_tree_block(trans, root, parent_start, root->root_key.objectid, &disk_key, level, @@ -1170,8 +1163,6 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID || btrfs_header_backref_rev(buf) < BTRFS_MIXED_BACKREF_REV) parent_start = buf->start; - else - parent_start = 0; extent_buffer_get(cow); tree_mod_log_set_root_pointer(root, cow, 1); @@ -1182,11 +1173,6 @@ static noinline int __btrfs_cow_block(struct btrfs_trans_handle *trans, free_extent_buffer(buf); add_root_to_dirty_list(root); } else { - if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) - parent_start = parent->start; - else - parent_start = 0; - WARN_ON(trans->transid != btrfs_header_generation(parent)); tree_mod_log_insert_key(root->fs_info, parent, parent_slot, MOD_LOG_KEY_REPLACE, GFP_NOFS); @@ -1729,20 +1715,6 @@ int btrfs_realloc_node(struct btrfs_trans_handle *trans, return err; } -/* - * The leaf data grows from end-to-front in the node. - * this returns the address of the start of the last item, - * which is the stop of the leaf data stack - */ -static inline unsigned int leaf_data_end(struct btrfs_root *root, - struct extent_buffer *leaf) -{ - u32 nr = btrfs_header_nritems(leaf); - if (nr == 0) - return BTRFS_LEAF_DATA_SIZE(root); - return btrfs_item_offset_nr(leaf, nr - 1); -} - /* * search for key in the extent_buffer. The items start at offset p, @@ -2268,7 +2240,6 @@ static void reada_for_search(struct btrfs_root *root, u64 search; u64 target; u64 nread = 0; - u64 gen; struct extent_buffer *eb; u32 nr; u32 blocksize; @@ -2313,7 +2284,6 @@ static void reada_for_search(struct btrfs_root *root, search = btrfs_node_blockptr(node, nr); if ((search <= target && target - search <= 65536) || (search > target && search - target <= 65536)) { - gen = btrfs_node_ptr_generation(node, nr); readahead_tree_block(root, search); nread += blocksize; } @@ -4341,7 +4311,11 @@ again: if (path->slots[1] == 0) fixup_low_keys(fs_info, path, &disk_key, 1); } - btrfs_mark_buffer_dirty(right); + /* + * We create a new leaf 'right' for the required ins_len and + * we'll do btrfs_mark_buffer_dirty() on this leaf after copying + * the content of ins_len to 'right'. + */ return ret; } @@ -4772,8 +4746,9 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, if (btrfs_leaf_free_space(root, leaf) < total_size) { btrfs_print_leaf(root, leaf); - btrfs_crit(root->fs_info, "not enough freespace need %u have %d", - total_size, btrfs_leaf_free_space(root, leaf)); + btrfs_crit(root->fs_info, + "not enough freespace need %u have %d", + total_size, btrfs_leaf_free_space(root, leaf)); BUG(); } @@ -4782,8 +4757,9 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, if (old_data < data_end) { btrfs_print_leaf(root, leaf); - btrfs_crit(root->fs_info, "slot %d old_data %d data_end %d", - slot, old_data, data_end); + btrfs_crit(root->fs_info, + "slot %d old_data %d data_end %d", + slot, old_data, data_end); BUG_ON(1); } /* @@ -4793,7 +4769,7 @@ void setup_items_for_insert(struct btrfs_root *root, struct btrfs_path *path, for (i = slot; i < nritems; i++) { u32 ioff; - item = btrfs_item_nr( i); + item = btrfs_item_nr(i); ioff = btrfs_token_item_offset(leaf, item, &token); btrfs_set_token_item_offset(leaf, item, ioff - total_data, &token); diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h index 33fe03551105..6c21bad26a27 100644 --- a/fs/btrfs/ctree.h +++ b/fs/btrfs/ctree.h @@ -37,6 +37,7 @@ #include <linux/workqueue.h> #include <linux/security.h> #include <linux/sizes.h> +#include <linux/dynamic_debug.h> #include "extent_io.h" #include "extent_map.h" #include "async-thread.h" @@ -676,9 +677,25 @@ struct btrfs_device; struct btrfs_fs_devices; struct btrfs_balance_control; struct btrfs_delayed_root; + +#define BTRFS_FS_BARRIER 1 +#define BTRFS_FS_CLOSING_START 2 +#define BTRFS_FS_CLOSING_DONE 3 +#define BTRFS_FS_LOG_RECOVERING 4 +#define BTRFS_FS_OPEN 5 +#define BTRFS_FS_QUOTA_ENABLED 6 +#define BTRFS_FS_QUOTA_ENABLING 7 +#define BTRFS_FS_QUOTA_DISABLING 8 +#define BTRFS_FS_UPDATE_UUID_TREE_GEN 9 +#define BTRFS_FS_CREATING_FREE_SPACE_TREE 10 +#define BTRFS_FS_BTREE_ERR 11 +#define BTRFS_FS_LOG1_ERR 12 +#define BTRFS_FS_LOG2_ERR 13 + struct btrfs_fs_info { u8 fsid[BTRFS_FSID_SIZE]; u8 chunk_tree_uuid[BTRFS_UUID_SIZE]; + unsigned long flags; struct btrfs_root *extent_root; struct btrfs_root *tree_root; struct btrfs_root *chunk_root; @@ -907,10 +924,6 @@ struct btrfs_fs_info { int thread_pool_size; struct kobject *space_info_kobj; - int do_barriers; - int closing; - int log_root_recovering; - int open; u64 total_pinned; @@ -987,17 +1000,6 @@ struct btrfs_fs_info { #ifdef CONFIG_BTRFS_FS_CHECK_INTEGRITY u32 check_integrity_print_mask; #endif - /* - * quota information - */ - unsigned int quota_enabled:1; - - /* - * quota_enabled only changes state after a commit. This holds the - * next state. - */ - unsigned int pending_quota_state:1; - /* is qgroup tracking in a consistent state? */ u64 qgroup_flags; @@ -1061,7 +1063,6 @@ struct btrfs_fs_info { wait_queue_head_t replace_wait; struct semaphore uuid_tree_rescan_sem; - unsigned int update_uuid_tree_gen:1; /* Used to reclaim the metadata space in the background. */ struct work_struct async_reclaim_work; @@ -1080,7 +1081,6 @@ struct btrfs_fs_info { */ struct list_head pinned_chunks; - int creating_free_space_tree; /* Used to record internally whether fs has been frozen */ int fs_frozen; }; @@ -1435,13 +1435,13 @@ static inline void btrfs_init_map_token (struct btrfs_map_token *token) #define cpu_to_le8(v) (v) #define __le8 u8 -#define read_eb_member(eb, ptr, type, member, result) ( \ +#define read_eb_member(eb, ptr, type, member, result) (\ read_extent_buffer(eb, (char *)(result), \ ((unsigned long)(ptr)) + \ offsetof(type, member), \ sizeof(((type *)0)->member))) -#define write_eb_member(eb, ptr, type, member, result) ( \ +#define write_eb_member(eb, ptr, type, member, result) (\ write_extent_buffer(eb, (char *)(result), \ ((unsigned long)(ptr)) + \ offsetof(type, member), \ @@ -2293,6 +2293,21 @@ static inline unsigned long btrfs_leaf_data(struct extent_buffer *l) return offsetof(struct btrfs_leaf, items); } +/* + * The leaf data grows from end-to-front in the node. + * this returns the address of the start of the last item, + * which is the stop of the leaf data stack + */ +static inline unsigned int leaf_data_end(struct btrfs_root *root, + struct extent_buffer *leaf) +{ + u32 nr = btrfs_header_nritems(leaf); + + if (nr == 0) + return BTRFS_LEAF_DATA_SIZE(root); + return btrfs_item_offset_nr(leaf, nr - 1); +} + /* struct btrfs_file_extent_item */ BTRFS_SETGET_FUNCS(file_extent_type, struct btrfs_file_extent_item, type, 8); BTRFS_SETGET_STACK_FUNCS(stack_file_extent_disk_bytenr, @@ -2867,10 +2882,14 @@ int btrfs_drop_subtree(struct btrfs_trans_handle *trans, static inline int btrfs_fs_closing(struct btrfs_fs_info *fs_info) { /* - * Get synced with close_ctree() + * Do it this way so we only ever do one test_bit in the normal case. */ - smp_mb(); - return fs_info->closing; + if (test_bit(BTRFS_FS_CLOSING_START, &fs_info->flags)) { + if (test_bit(BTRFS_FS_CLOSING_DONE, &fs_info->flags)) + return 2; + return 1; + } + return 0; } /* @@ -3118,7 +3137,7 @@ int btrfs_start_delalloc_inodes(struct btrfs_root *root, int delay_iput); int btrfs_start_delalloc_roots(struct btrfs_fs_info *fs_info, int delay_iput, int nr); int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, - struct extent_state **cached_state); + struct extent_state **cached_state, int dedupe); int btrfs_create_subvol_root(struct btrfs_trans_handle *trans, struct btrfs_root *new_root, struct btrfs_root *parent_root, @@ -3161,7 +3180,6 @@ int btrfs_prealloc_file_range_trans(struct inode *inode, struct btrfs_trans_handle *trans, int mode, u64 start, u64 num_bytes, u64 min_size, loff_t actual_len, u64 *alloc_hint); -int btrfs_inode_check_errors(struct inode *inode); extern const struct dentry_operations btrfs_dentry_operations; #ifdef CONFIG_BTRFS_FS_RUN_SANITY_TESTS void btrfs_test_inode_set_ops(struct inode *inode); @@ -3237,14 +3255,17 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, unsigned long new_flags); int btrfs_sync_fs(struct super_block *sb, int wait); +static inline __printf(2, 3) +void btrfs_no_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) +{ +} + #ifdef CONFIG_PRINTK __printf(2, 3) void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...); #else -static inline __printf(2, 3) -void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) -{ -} +#define btrfs_printk(fs_info, fmt, args...) \ + btrfs_no_printk(fs_info, fmt, ##args) #endif #define btrfs_emerg(fs_info, fmt, args...) \ @@ -3315,7 +3336,35 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) btrfs_printk_ratelimited(fs_info, KERN_NOTICE fmt, ##args) #define btrfs_info_rl(fs_info, fmt, args...) \ btrfs_printk_ratelimited(fs_info, KERN_INFO fmt, ##args) -#ifdef DEBUG + +#if defined(CONFIG_DYNAMIC_DEBUG) +#define btrfs_debug(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk(fs_info, KERN_DEBUG fmt, ##args); \ +} while (0) +#define btrfs_debug_in_rcu(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk_in_rcu(fs_info, KERN_DEBUG fmt, ##args); \ +} while (0) +#define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk_rl_in_rcu(fs_info, KERN_DEBUG fmt, \ + ##args);\ +} while (0) +#define btrfs_debug_rl(fs_info, fmt, args...) \ +do { \ + DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, fmt); \ + if (unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) \ + btrfs_printk_ratelimited(fs_info, KERN_DEBUG fmt, \ + ##args); \ +} while (0) +#elif defined(DEBUG) #define btrfs_debug(fs_info, fmt, args...) \ btrfs_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_in_rcu(fs_info, fmt, args...) \ @@ -3326,13 +3375,13 @@ void btrfs_printk(const struct btrfs_fs_info *fs_info, const char *fmt, ...) btrfs_printk_ratelimited(fs_info, KERN_DEBUG fmt, ##args) #else #define btrfs_debug(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_in_rcu(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl_in_rcu(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #define btrfs_debug_rl(fs_info, fmt, args...) \ - no_printk(KERN_DEBUG fmt, ##args) + btrfs_no_printk(fs_info, KERN_DEBUG fmt, ##args) #endif #define btrfs_printk_in_rcu(fs_info, fmt, args...) \ @@ -3363,7 +3412,7 @@ do { \ __cold static inline void assfail(char *expr, char *file, int line) { - pr_err("BTRFS: assertion failed: %s, file: %s, line: %d", + pr_err("assertion failed: %s, file: %s, line: %d\n", expr, file, line); BUG(); } diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c index 3eeb9cd8cfa5..0fcf5f25d524 100644 --- a/fs/btrfs/delayed-inode.c +++ b/fs/btrfs/delayed-inode.c @@ -385,11 +385,8 @@ static struct btrfs_delayed_item *__btrfs_lookup_delayed_insertion_item( struct btrfs_delayed_node *delayed_node, struct btrfs_key *key) { - struct btrfs_delayed_item *item; - - item = __btrfs_lookup_delayed_item(&delayed_node->ins_root, key, + return __btrfs_lookup_delayed_item(&delayed_node->ins_root, key, NULL, NULL); - return item; } static int __btrfs_add_delayed_item(struct btrfs_delayed_node *delayed_node, @@ -1481,11 +1478,10 @@ int btrfs_insert_delayed_dir_index(struct btrfs_trans_handle *trans, mutex_lock(&delayed_node->mutex); ret = __btrfs_add_delayed_insertion_item(delayed_node, delayed_item); if (unlikely(ret)) { - btrfs_err(root->fs_info, "err add delayed dir index item(name: %.*s) " - "into the insertion tree of the delayed node" - "(root id: %llu, inode id: %llu, errno: %d)", - name_len, name, delayed_node->root->objectid, - delayed_node->inode_id, ret); + btrfs_err(root->fs_info, + "err add delayed dir index item(name: %.*s) into the insertion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)", + name_len, name, delayed_node->root->objectid, + delayed_node->inode_id, ret); BUG(); } mutex_unlock(&delayed_node->mutex); @@ -1553,11 +1549,9 @@ int btrfs_delete_delayed_dir_index(struct btrfs_trans_handle *trans, mutex_lock(&node->mutex); ret = __btrfs_add_delayed_deletion_item(node, item); if (unlikely(ret)) { - btrfs_err(root->fs_info, "err add delayed dir index item(index: %llu) " - "into the deletion tree of the delayed node" - "(root id: %llu, inode id: %llu, errno: %d)", - index, node->root->objectid, node->inode_id, - ret); + btrfs_err(root->fs_info, + "err add delayed dir index item(index: %llu) into the deletion tree of the delayed node(root id: %llu, inode id: %llu, errno: %d)", + index, node->root->objectid, node->inode_id, ret); BUG(); } mutex_unlock(&node->mutex); @@ -1874,7 +1868,8 @@ int btrfs_delayed_delete_inode_ref(struct inode *inode) * leads to enospc problems. This means we also can't do * delayed inode refs */ - if (BTRFS_I(inode)->root->fs_info->log_root_recovering) + if (test_bit(BTRFS_FS_LOG_RECOVERING, + &BTRFS_I(inode)->root->fs_info->flags)) return -EAGAIN; delayed_node = btrfs_get_or_create_delayed_node(inode); diff --git a/fs/btrfs/delayed-ref.c b/fs/btrfs/delayed-ref.c index ac02e041464b..8d93854a4b4f 100644 --- a/fs/btrfs/delayed-ref.c +++ b/fs/btrfs/delayed-ref.c @@ -322,10 +322,11 @@ int btrfs_check_delayed_seq(struct btrfs_fs_info *fs_info, elem = list_first_entry(&fs_info->tree_mod_seq_list, struct seq_list, list); if (seq >= elem->seq) { - pr_debug("holding back delayed_ref %#x.%x, lowest is %#x.%x (%p)\n", - (u32)(seq >> 32), (u32)seq, - (u32)(elem->seq >> 32), (u32)elem->seq, - delayed_refs); + btrfs_debug(fs_info, + "holding back delayed_ref %#x.%x, lowest is %#x.%x (%p)", + (u32)(seq >> 32), (u32)seq, + (u32)(elem->seq >> 32), (u32)elem->seq, + delayed_refs); ret = 1; } } @@ -770,7 +771,8 @@ int btrfs_add_delayed_tree_ref(struct btrfs_fs_info *fs_info, if (!head_ref) goto free_ref; - if (fs_info->quota_enabled && is_fstree(ref_root)) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) && + is_fstree(ref_root)) { record = kmalloc(sizeof(*record), GFP_NOFS); if (!record) goto free_head_ref; @@ -828,7 +830,8 @@ int btrfs_add_delayed_data_ref(struct btrfs_fs_info *fs_info, return -ENOMEM; } - if (fs_info->quota_enabled && is_fstree(ref_root)) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) && + is_fstree(ref_root)) { record = kmalloc(sizeof(*record), GFP_NOFS); if (!record) { kmem_cache_free(btrfs_delayed_data_ref_cachep, ref); diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index e9bbff3c0029..05169ef30596 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -218,8 +218,9 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, } ret = btrfs_search_slot(trans, dev_root, &key, path, -1, 1); if (ret < 0) { - btrfs_warn(fs_info, "error %d while searching for dev_replace item!", - ret); + btrfs_warn(fs_info, + "error %d while searching for dev_replace item!", + ret); goto out; } @@ -238,8 +239,9 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, */ ret = btrfs_del_item(trans, dev_root, path); if (ret != 0) { - btrfs_warn(fs_info, "delete too small dev_replace item failed %d!", - ret); + btrfs_warn(fs_info, + "delete too small dev_replace item failed %d!", + ret); goto out; } ret = 1; @@ -251,8 +253,8 @@ int btrfs_run_dev_replace(struct btrfs_trans_handle *trans, ret = btrfs_insert_empty_item(trans, dev_root, path, &key, sizeof(*ptr)); if (ret < 0) { - btrfs_warn(fs_info, "insert dev_replace item failed %d!", - ret); + btrfs_warn(fs_info, + "insert dev_replace item failed %d!", ret); goto out; } } @@ -383,7 +385,7 @@ int btrfs_dev_replace_start(struct btrfs_root *root, char *tgtdev_name, ret = btrfs_sysfs_add_device_link(tgt_device->fs_devices, tgt_device); if (ret) - btrfs_err(fs_info, "kobj add dev failed %d\n", ret); + btrfs_err(fs_info, "kobj add dev failed %d", ret); btrfs_wait_ordered_roots(root->fs_info, -1, 0, (u64)-1); @@ -772,9 +774,10 @@ int btrfs_resume_dev_replace_async(struct btrfs_fs_info *fs_info) break; } if (!dev_replace->tgtdev || !dev_replace->tgtdev->bdev) { - btrfs_info(fs_info, "cannot continue dev_replace, tgtdev is missing"); btrfs_info(fs_info, - "you may cancel the operation after 'mount -o degraded'"); + "cannot continue dev_replace, tgtdev is missing"); + btrfs_info(fs_info, + "you may cancel the operation after 'mount -o degraded'"); btrfs_dev_replace_unlock(dev_replace, 1); return 0; } diff --git a/fs/btrfs/dir-item.c b/fs/btrfs/dir-item.c index 1752625fb4dd..0dc1a033275e 100644 --- a/fs/btrfs/dir-item.c +++ b/fs/btrfs/dir-item.c @@ -472,9 +472,10 @@ int verify_dir_item(struct btrfs_root *root, /* BTRFS_MAX_XATTR_SIZE is the same for all dir items */ if ((btrfs_dir_data_len(leaf, dir_item) + btrfs_dir_name_len(leaf, dir_item)) > BTRFS_MAX_XATTR_SIZE(root)) { - btrfs_crit(root->fs_info, "invalid dir item name + data len: %u + %u", - (unsigned)btrfs_dir_name_len(leaf, dir_item), - (unsigned)btrfs_dir_data_len(leaf, dir_item)); + btrfs_crit(root->fs_info, + "invalid dir item name + data len: %u + %u", + (unsigned)btrfs_dir_name_len(leaf, dir_item), + (unsigned)btrfs_dir_data_len(leaf, dir_item)); return 1; } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 54bc8c7c6bcd..e720d3e6ec20 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -326,8 +326,7 @@ static int csum_tree_block(struct btrfs_fs_info *fs_info, read_extent_buffer(buf, &val, 0, csum_size); btrfs_warn_rl(fs_info, - "%s checksum verify failed on %llu wanted %X found %X " - "level %d", + "%s checksum verify failed on %llu wanted %X found %X level %d", fs_info->sb->s_id, buf->start, val, found, btrfs_header_level(buf)); if (result != (char *)&inline_result) @@ -402,7 +401,8 @@ out: * Return 0 if the superblock checksum type matches the checksum value of that * algorithm. Pass the raw disk superblock data. */ -static int btrfs_check_super_csum(char *raw_disk_sb) +static int btrfs_check_super_csum(struct btrfs_fs_info *fs_info, + char *raw_disk_sb) { struct btrfs_super_block *disk_sb = (struct btrfs_super_block *)raw_disk_sb; @@ -428,7 +428,7 @@ static int btrfs_check_super_csum(char *raw_disk_sb) } if (csum_type >= ARRAY_SIZE(btrfs_csum_sizes)) { - printk(KERN_ERR "BTRFS: unsupported checksum algorithm %u\n", + btrfs_err(fs_info, "unsupported checksum algorithm %u", csum_type); ret = 1; } @@ -442,7 +442,7 @@ static int btrfs_check_super_csum(char *raw_disk_sb) */ static int btree_read_extent_buffer_pages(struct btrfs_root *root, struct extent_buffer *eb, - u64 start, u64 parent_transid) + u64 parent_transid) { struct extent_io_tree *io_tree; int failed = 0; @@ -454,8 +454,7 @@ static int btree_read_extent_buffer_pages(struct btrfs_root *root, clear_bit(EXTENT_BUFFER_CORRUPT, &eb->bflags); io_tree = &BTRFS_I(root->fs_info->btree_inode)->io_tree; while (1) { - ret = read_extent_buffer_pages(io_tree, eb, start, - WAIT_COMPLETE, + ret = read_extent_buffer_pages(io_tree, eb, WAIT_COMPLETE, btree_get_extent, mirror_num); if (!ret) { if (!verify_parent_transid(io_tree, eb, @@ -547,9 +546,10 @@ static int check_tree_block_fsid(struct btrfs_fs_info *fs_info, } #define CORRUPT(reason, eb, root, slot) \ - btrfs_crit(root->fs_info, "corrupt leaf, %s: block=%llu," \ - "root=%llu, slot=%d", reason, \ - btrfs_header_bytenr(eb), root->objectid, slot) + btrfs_crit(root->fs_info, "corrupt %s, %s: block=%llu," \ + " root=%llu, slot=%d", \ + btrfs_header_level(eb) == 0 ? "leaf" : "node",\ + reason, btrfs_header_bytenr(eb), root->objectid, slot) static noinline int check_leaf(struct btrfs_root *root, struct extent_buffer *leaf) @@ -636,6 +636,10 @@ static noinline int check_leaf(struct btrfs_root *root, static int check_node(struct btrfs_root *root, struct extent_buffer *node) { unsigned long nr = btrfs_header_nritems(node); + struct btrfs_key key, next_key; + int slot; + u64 bytenr; + int ret = 0; if (nr == 0 || nr > BTRFS_NODEPTRS_PER_BLOCK(root)) { btrfs_crit(root->fs_info, @@ -643,7 +647,26 @@ static int check_node(struct btrfs_root *root, struct extent_buffer *node) node->start, root->objectid, nr); return -EIO; } - return 0; + + for (slot = 0; slot < nr - 1; slot++) { + bytenr = btrfs_node_blockptr(node, slot); + btrfs_node_key_to_cpu(node, &key, slot); + btrfs_node_key_to_cpu(node, &next_key, slot + 1); + + if (!bytenr) { + CORRUPT("invalid item slot", node, root, slot); + ret = -EIO; + goto out; + } + + if (btrfs_comp_cpu_keys(&key, &next_key) >= 0) { + CORRUPT("bad key order", node, root, slot); + ret = -EIO; + goto out; + } + } +out: + return ret; } static int btree_readpage_end_io_hook(struct btrfs_io_bio *io_bio, @@ -1132,7 +1155,7 @@ void readahead_tree_block(struct btrfs_root *root, u64 bytenr) if (IS_ERR(buf)) return; read_extent_buffer_pages(&BTRFS_I(btree_inode)->io_tree, - buf, 0, WAIT_NONE, btree_get_extent, 0); + buf, WAIT_NONE, btree_get_extent, 0); free_extent_buffer(buf); } @@ -1150,7 +1173,7 @@ int reada_tree_block_flagged(struct btrfs_root *root, u64 bytenr, set_bit(EXTENT_BUFFER_READAHEAD, &buf->bflags); - ret = read_extent_buffer_pages(io_tree, buf, 0, WAIT_PAGE_LOCK, + ret = read_extent_buffer_pages(io_tree, buf, WAIT_PAGE_LOCK, btree_get_extent, mirror_num); if (ret) { free_extent_buffer(buf); @@ -1206,7 +1229,7 @@ struct extent_buffer *read_tree_block(struct btrfs_root *root, u64 bytenr, if (IS_ERR(buf)) return buf; - ret = btree_read_extent_buffer_pages(root, buf, 0, parent_transid); + ret = btree_read_extent_buffer_pages(root, buf, parent_transid); if (ret) { free_extent_buffer(buf); return ERR_PTR(ret); @@ -1839,7 +1862,7 @@ static int cleaner_kthread(void *arg) * Do not do anything if we might cause open_ctree() to block * before we have finished mounting the filesystem. */ - if (!root->fs_info->open) + if (!test_bit(BTRFS_FS_OPEN, &root->fs_info->flags)) goto sleep; if (!mutex_trylock(&root->fs_info->cleaner_mutex)) @@ -2332,8 +2355,6 @@ static void btrfs_init_qgroup(struct btrfs_fs_info *fs_info) fs_info->qgroup_op_tree = RB_ROOT; INIT_LIST_HEAD(&fs_info->dirty_qgroups); fs_info->qgroup_seq = 1; - fs_info->quota_enabled = 0; - fs_info->pending_quota_state = 0; fs_info->qgroup_ulist = NULL; fs_info->qgroup_rescan_running = false; mutex_init(&fs_info->qgroup_rescan_lock); @@ -2518,8 +2539,7 @@ static int btrfs_read_roots(struct btrfs_fs_info *fs_info, root = btrfs_read_tree_root(tree_root, &location); if (!IS_ERR(root)) { set_bit(BTRFS_ROOT_TRACK_DIRTY, &root->state); - fs_info->quota_enabled = 1; - fs_info->pending_quota_state = 1; + set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); fs_info->quota_root = root; } @@ -2710,8 +2730,7 @@ int open_ctree(struct super_block *sb, extent_io_tree_init(&fs_info->freed_extents[1], fs_info->btree_inode->i_mapping); fs_info->pinned_extents = &fs_info->freed_extents[0]; - fs_info->do_barriers = 1; - + set_bit(BTRFS_FS_BARRIER, &fs_info->flags); mutex_init(&fs_info->ordered_operations_mutex); mutex_init(&fs_info->tree_log_mutex); @@ -2762,7 +2781,7 @@ int open_ctree(struct super_block *sb, * We want to check superblock checksum, the type is stored inside. * Pass the whole disk block of size BTRFS_SUPER_INFO_SIZE (4k). */ - if (btrfs_check_super_csum(bh->b_data)) { + if (btrfs_check_super_csum(fs_info, bh->b_data)) { btrfs_err(fs_info, "superblock checksum mismatch"); err = -EINVAL; brelse(bh); @@ -3199,10 +3218,9 @@ retry_root_backup: return ret; } } else { - fs_info->update_uuid_tree_gen = 1; + set_bit(BTRFS_FS_UPDATE_UUID_TREE_GEN, &fs_info->flags); } - - fs_info->open = 1; + set_bit(BTRFS_FS_OPEN, &fs_info->flags); /* * backuproot only affect mount behavior, and if open_ctree succeeded, @@ -3607,7 +3625,7 @@ int btrfs_get_num_tolerated_disk_barrier_failures(u64 flags) } if (min_tolerated == INT_MAX) { - pr_warn("BTRFS: unknown raid flag: %llu\n", flags); + pr_warn("BTRFS: unknown raid flag: %llu", flags); min_tolerated = 0; } @@ -3893,8 +3911,7 @@ void close_ctree(struct btrfs_root *root) struct btrfs_fs_info *fs_info = root->fs_info; int ret; - fs_info->closing = 1; - smp_mb(); + set_bit(BTRFS_FS_CLOSING_START, &fs_info->flags); /* wait for the qgroup rescan worker to stop */ btrfs_qgroup_wait_for_completion(fs_info, false); @@ -3939,8 +3956,7 @@ void close_ctree(struct btrfs_root *root) kthread_stop(fs_info->transaction_kthread); kthread_stop(fs_info->cleaner_kthread); - fs_info->closing = 2; - smp_mb(); + set_bit(BTRFS_FS_CLOSING_DONE, &fs_info->flags); btrfs_free_qgroup_config(fs_info); @@ -3965,7 +3981,7 @@ void close_ctree(struct btrfs_root *root) invalidate_inode_pages2(fs_info->btree_inode->i_mapping); btrfs_stop_all_workers(fs_info); - fs_info->open = 0; + clear_bit(BTRFS_FS_OPEN, &fs_info->flags); free_root_pointers(fs_info, 1); iput(fs_info->btree_inode); @@ -4036,8 +4052,7 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf) root = BTRFS_I(buf->pages[0]->mapping->host)->root; btrfs_assert_tree_locked(buf); if (transid != root->fs_info->generation) - WARN(1, KERN_CRIT "btrfs transid mismatch buffer %llu, " - "found %llu running %llu\n", + WARN(1, KERN_CRIT "btrfs transid mismatch buffer %llu, found %llu running %llu\n", buf->start, transid, root->fs_info->generation); was_dirty = set_extent_buffer_dirty(buf); if (!was_dirty) @@ -4088,7 +4103,7 @@ void btrfs_btree_balance_dirty_nodelay(struct btrfs_root *root) int btrfs_read_buffer(struct extent_buffer *buf, u64 parent_transid) { struct btrfs_root *root = BTRFS_I(buf->pages[0]->mapping->host)->root; - return btree_read_extent_buffer_pages(root, buf, 0, parent_transid); + return btree_read_extent_buffer_pages(root, buf, parent_transid); } static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, @@ -4100,24 +4115,24 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, int ret = 0; if (btrfs_super_magic(sb) != BTRFS_MAGIC) { - printk(KERN_ERR "BTRFS: no valid FS found\n"); + btrfs_err(fs_info, "no valid FS found"); ret = -EINVAL; } if (btrfs_super_flags(sb) & ~BTRFS_SUPER_FLAG_SUPP) - printk(KERN_WARNING "BTRFS: unrecognized super flag: %llu\n", + btrfs_warn(fs_info, "unrecognized super flag: %llu", btrfs_super_flags(sb) & ~BTRFS_SUPER_FLAG_SUPP); if (btrfs_super_root_level(sb) >= BTRFS_MAX_LEVEL) { - printk(KERN_ERR "BTRFS: tree_root level too big: %d >= %d\n", + btrfs_err(fs_info, "tree_root level too big: %d >= %d", btrfs_super_root_level(sb), BTRFS_MAX_LEVEL); ret = -EINVAL; } if (btrfs_super_chunk_root_level(sb) >= BTRFS_MAX_LEVEL) { - printk(KERN_ERR "BTRFS: chunk_root level too big: %d >= %d\n", + btrfs_err(fs_info, "chunk_root level too big: %d >= %d", btrfs_super_chunk_root_level(sb), BTRFS_MAX_LEVEL); ret = -EINVAL; } if (btrfs_super_log_root_level(sb) >= BTRFS_MAX_LEVEL) { - printk(KERN_ERR "BTRFS: log_root level too big: %d >= %d\n", + btrfs_err(fs_info, "log_root level too big: %d >= %d", btrfs_super_log_root_level(sb), BTRFS_MAX_LEVEL); ret = -EINVAL; } @@ -4128,47 +4143,48 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, */ if (!is_power_of_2(sectorsize) || sectorsize < 4096 || sectorsize > BTRFS_MAX_METADATA_BLOCKSIZE) { - printk(KERN_ERR "BTRFS: invalid sectorsize %llu\n", sectorsize); + btrfs_err(fs_info, "invalid sectorsize %llu", sectorsize); ret = -EINVAL; } /* Only PAGE SIZE is supported yet */ if (sectorsize != PAGE_SIZE) { - printk(KERN_ERR "BTRFS: sectorsize %llu not supported yet, only support %lu\n", - sectorsize, PAGE_SIZE); + btrfs_err(fs_info, + "sectorsize %llu not supported yet, only support %lu", + sectorsize, PAGE_SIZE); ret = -EINVAL; } if (!is_power_of_2(nodesize) || nodesize < sectorsize || nodesize > BTRFS_MAX_METADATA_BLOCKSIZE) { - printk(KERN_ERR "BTRFS: invalid nodesize %llu\n", nodesize); + btrfs_err(fs_info, "invalid nodesize %llu", nodesize); ret = -EINVAL; } if (nodesize != le32_to_cpu(sb->__unused_leafsize)) { - printk(KERN_ERR "BTRFS: invalid leafsize %u, should be %llu\n", - le32_to_cpu(sb->__unused_leafsize), - nodesize); + btrfs_err(fs_info, "invalid leafsize %u, should be %llu", + le32_to_cpu(sb->__unused_leafsize), nodesize); ret = -EINVAL; } /* Root alignment check */ if (!IS_ALIGNED(btrfs_super_root(sb), sectorsize)) { - printk(KERN_WARNING "BTRFS: tree_root block unaligned: %llu\n", - btrfs_super_root(sb)); + btrfs_warn(fs_info, "tree_root block unaligned: %llu", + btrfs_super_root(sb)); ret = -EINVAL; } if (!IS_ALIGNED(btrfs_super_chunk_root(sb), sectorsize)) { - printk(KERN_WARNING "BTRFS: chunk_root block unaligned: %llu\n", - btrfs_super_chunk_root(sb)); + btrfs_warn(fs_info, "chunk_root block unaligned: %llu", + btrfs_super_chunk_root(sb)); ret = -EINVAL; } if (!IS_ALIGNED(btrfs_super_log_root(sb), sectorsize)) { - printk(KERN_WARNING "BTRFS: log_root block unaligned: %llu\n", - btrfs_super_log_root(sb)); + btrfs_warn(fs_info, "log_root block unaligned: %llu", + btrfs_super_log_root(sb)); ret = -EINVAL; } if (memcmp(fs_info->fsid, sb->dev_item.fsid, BTRFS_UUID_SIZE) != 0) { - printk(KERN_ERR "BTRFS: dev_item UUID does not match fsid: %pU != %pU\n", - fs_info->fsid, sb->dev_item.fsid); + btrfs_err(fs_info, + "dev_item UUID does not match fsid: %pU != %pU", + fs_info->fsid, sb->dev_item.fsid); ret = -EINVAL; } @@ -4178,25 +4194,25 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, */ if (btrfs_super_bytes_used(sb) < 6 * btrfs_super_nodesize(sb)) { btrfs_err(fs_info, "bytes_used is too small %llu", - btrfs_super_bytes_used(sb)); + btrfs_super_bytes_used(sb)); ret = -EINVAL; } if (!is_power_of_2(btrfs_super_stripesize(sb))) { btrfs_err(fs_info, "invalid stripesize %u", - btrfs_super_stripesize(sb)); + btrfs_super_stripesize(sb)); ret = -EINVAL; } if (btrfs_super_num_devices(sb) > (1UL << 31)) - printk(KERN_WARNING "BTRFS: suspicious number of devices: %llu\n", - btrfs_super_num_devices(sb)); + btrfs_warn(fs_info, "suspicious number of devices: %llu", + btrfs_super_num_devices(sb)); if (btrfs_super_num_devices(sb) == 0) { - printk(KERN_ERR "BTRFS: number of devices is 0\n"); + btrfs_err(fs_info, "number of devices is 0"); ret = -EINVAL; } if (btrfs_super_bytenr(sb) != BTRFS_SUPER_INFO_OFFSET) { - printk(KERN_ERR "BTRFS: super offset mismatch %llu != %u\n", - btrfs_super_bytenr(sb), BTRFS_SUPER_INFO_OFFSET); + btrfs_err(fs_info, "super offset mismatch %llu != %u", + btrfs_super_bytenr(sb), BTRFS_SUPER_INFO_OFFSET); ret = -EINVAL; } @@ -4205,17 +4221,17 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, * and one chunk */ if (btrfs_super_sys_array_size(sb) > BTRFS_SYSTEM_CHUNK_ARRAY_SIZE) { - printk(KERN_ERR "BTRFS: system chunk array too big %u > %u\n", - btrfs_super_sys_array_size(sb), - BTRFS_SYSTEM_CHUNK_ARRAY_SIZE); + btrfs_err(fs_info, "system chunk array too big %u > %u", + btrfs_super_sys_array_size(sb), + BTRFS_SYSTEM_CHUNK_ARRAY_SIZE); ret = -EINVAL; } if (btrfs_super_sys_array_size(sb) < sizeof(struct btrfs_disk_key) + sizeof(struct btrfs_chunk)) { - printk(KERN_ERR "BTRFS: system chunk array too small %u < %zu\n", - btrfs_super_sys_array_size(sb), - sizeof(struct btrfs_disk_key) - + sizeof(struct btrfs_chunk)); + btrfs_err(fs_info, "system chunk array too small %u < %zu", + btrfs_super_sys_array_size(sb), + sizeof(struct btrfs_disk_key) + + sizeof(struct btrfs_chunk)); ret = -EINVAL; } @@ -4224,14 +4240,16 @@ static int btrfs_check_super_valid(struct btrfs_fs_info *fs_info, * but it's still possible that it's the one that's wrong. */ if (btrfs_super_generation(sb) < btrfs_super_chunk_root_generation(sb)) - printk(KERN_WARNING - "BTRFS: suspicious: generation < chunk_root_generation: %llu < %llu\n", - btrfs_super_generation(sb), btrfs_super_chunk_root_generation(sb)); + btrfs_warn(fs_info, + "suspicious: generation < chunk_root_generation: %llu < %llu", + btrfs_super_generation(sb), + btrfs_super_chunk_root_generation(sb)); if (btrfs_super_generation(sb) < btrfs_super_cache_generation(sb) && btrfs_super_cache_generation(sb) != (u64)-1) - printk(KERN_WARNING - "BTRFS: suspicious: generation < cache_generation: %llu < %llu\n", - btrfs_super_generation(sb), btrfs_super_cache_generation(sb)); + btrfs_warn(fs_info, + "suspicious: generation < cache_generation: %llu < %llu", + btrfs_super_generation(sb), + btrfs_super_cache_generation(sb)); return ret; } @@ -4475,9 +4493,80 @@ again: return 0; } +static void btrfs_cleanup_bg_io(struct btrfs_block_group_cache *cache) +{ + struct inode *inode; + + inode = cache->io_ctl.inode; + if (inode) { + invalidate_inode_pages2(inode->i_mapping); + BTRFS_I(inode)->generation = 0; + cache->io_ctl.inode = NULL; + iput(inode); + } + btrfs_put_block_group(cache); +} + +void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *cur_trans, + struct btrfs_root *root) +{ + struct btrfs_block_group_cache *cache; + + spin_lock(&cur_trans->dirty_bgs_lock); + while (!list_empty(&cur_trans->dirty_bgs)) { + cache = list_first_entry(&cur_trans->dirty_bgs, + struct btrfs_block_group_cache, + dirty_list); + if (!cache) { + btrfs_err(root->fs_info, + "orphan block group dirty_bgs list"); + spin_unlock(&cur_trans->dirty_bgs_lock); + return; + } + + if (!list_empty(&cache->io_list)) { + spin_unlock(&cur_trans->dirty_bgs_lock); + list_del_init(&cache->io_list); + btrfs_cleanup_bg_io(cache); + spin_lock(&cur_trans->dirty_bgs_lock); + } + + list_del_init(&cache->dirty_list); + spin_lock(&cache->lock); + cache->disk_cache_state = BTRFS_DC_ERROR; + spin_unlock(&cache->lock); + + spin_unlock(&cur_trans->dirty_bgs_lock); + btrfs_put_block_group(cache); + spin_lock(&cur_trans->dirty_bgs_lock); + } + spin_unlock(&cur_trans->dirty_bgs_lock); + + while (!list_empty(&cur_trans->io_bgs)) { + cache = list_first_entry(&cur_trans->io_bgs, + struct btrfs_block_group_cache, + io_list); + if (!cache) { + btrfs_err(root->fs_info, + "orphan block group on io_bgs list"); + return; + } + + list_del_init(&cache->io_list); + spin_lock(&cache->lock); + cache->disk_cache_state = BTRFS_DC_ERROR; + spin_unlock(&cache->lock); + btrfs_cleanup_bg_io(cache); + } +} + void btrfs_cleanup_one_transaction(struct btrfs_transaction *cur_trans, struct btrfs_root *root) { + btrfs_cleanup_dirty_bgs(cur_trans, root); + ASSERT(list_empty(&cur_trans->dirty_bgs)); + ASSERT(list_empty(&cur_trans->io_bgs)); + btrfs_destroy_delayed_refs(cur_trans, root); cur_trans->state = TRANS_STATE_COMMIT_START; diff --git a/fs/btrfs/disk-io.h b/fs/btrfs/disk-io.h index f19a982f5a4f..1a3237e5700f 100644 --- a/fs/btrfs/disk-io.h +++ b/fs/btrfs/disk-io.h @@ -136,6 +136,8 @@ int btrfs_init_log_root_tree(struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info); int btrfs_add_log_tree(struct btrfs_trans_handle *trans, struct btrfs_root *root); +void btrfs_cleanup_dirty_bgs(struct btrfs_transaction *trans, + struct btrfs_root *root); void btrfs_cleanup_one_transaction(struct btrfs_transaction *trans, struct btrfs_root *root); struct btrfs_root *btrfs_create_tree(struct btrfs_trans_handle *trans, diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 665da8f66ff1..210c94ac8818 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -87,7 +87,8 @@ static int do_chunk_alloc(struct btrfs_trans_handle *trans, int force); static int find_next_key(struct btrfs_path *path, int level, struct btrfs_key *key); -static void dump_space_info(struct btrfs_space_info *info, u64 bytes, +static void dump_space_info(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *info, u64 bytes, int dump_block_groups); static int btrfs_add_reserved_bytes(struct btrfs_block_group_cache *cache, u64 ram_bytes, u64 num_bytes, int delalloc); @@ -266,9 +267,8 @@ static int exclude_super_stripes(struct btrfs_root *root, for (i = 0; i < BTRFS_SUPER_MIRROR_MAX; i++) { bytenr = btrfs_sb_offset(i); - ret = btrfs_rmap_block(&root->fs_info->mapping_tree, - cache->key.objectid, bytenr, - 0, &logical, &nr, &stripe_len); + ret = btrfs_rmap_block(root->fs_info, cache->key.objectid, + bytenr, 0, &logical, &nr, &stripe_len); if (ret) return ret; @@ -730,11 +730,7 @@ static int cache_block_group(struct btrfs_block_group_cache *cache, static struct btrfs_block_group_cache * btrfs_lookup_first_block_group(struct btrfs_fs_info *info, u64 bytenr) { - struct btrfs_block_group_cache *cache; - - cache = block_group_cache_tree_search(info, bytenr, 0); - - return cache; + return block_group_cache_tree_search(info, bytenr, 0); } /* @@ -744,11 +740,7 @@ struct btrfs_block_group_cache *btrfs_lookup_block_group( struct btrfs_fs_info *info, u64 bytenr) { - struct btrfs_block_group_cache *cache; - - cache = block_group_cache_tree_search(info, bytenr, 1); - - return cache; + return block_group_cache_tree_search(info, bytenr, 1); } static struct btrfs_space_info *__find_space_info(struct btrfs_fs_info *info, @@ -2360,7 +2352,13 @@ static int run_delayed_tree_ref(struct btrfs_trans_handle *trans, ins.type = BTRFS_EXTENT_ITEM_KEY; } - BUG_ON(node->ref_mod != 1); + if (node->ref_mod != 1) { + btrfs_err(root->fs_info, + "btree block(%llu) has %d references rather than 1: action %d ref_root %llu parent %llu", + node->bytenr, node->ref_mod, node->action, ref_root, + parent); + return -EIO; + } if (node->action == BTRFS_ADD_DELAYED_REF && insert_reserved) { BUG_ON(!extent_op || !extent_op->update_flags); ret = alloc_reserved_tree_block(trans, root, @@ -2590,7 +2588,9 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, if (must_insert_reserved) locked_ref->must_insert_reserved = 1; locked_ref->processing = 0; - btrfs_debug(fs_info, "run_delayed_extent_op returned %d", ret); + btrfs_debug(fs_info, + "run_delayed_extent_op returned %d", + ret); btrfs_delayed_ref_unlock(locked_ref); return ret; } @@ -2650,7 +2650,8 @@ static noinline int __btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, locked_ref->processing = 0; btrfs_delayed_ref_unlock(locked_ref); btrfs_put_delayed_ref(ref); - btrfs_debug(fs_info, "run_one_delayed_ref returned %d", ret); + btrfs_debug(fs_info, "run_one_delayed_ref returned %d", + ret); return ret; } @@ -2940,7 +2941,7 @@ int btrfs_run_delayed_refs(struct btrfs_trans_handle *trans, if (trans->aborted) return 0; - if (root->fs_info->creating_free_space_tree) + if (test_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &root->fs_info->flags)) return 0; if (root == root->fs_info->extent_root) @@ -2971,7 +2972,6 @@ again: spin_unlock(&delayed_refs->lock); goto out; } - count = (unsigned long)-1; while (node) { head = rb_entry(node, struct btrfs_delayed_ref_head, @@ -3694,6 +3694,8 @@ again: goto again; } spin_unlock(&cur_trans->dirty_bgs_lock); + } else if (ret < 0) { + btrfs_cleanup_dirty_bgs(cur_trans, root); } btrfs_free_path(path); @@ -4429,7 +4431,7 @@ void check_system_chunk(struct btrfs_trans_handle *trans, if (left < thresh && btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) { btrfs_info(root->fs_info, "left=%llu, need=%llu, flags=%llu", left, thresh, type); - dump_space_info(info, 0, 0); + dump_space_info(root->fs_info, info, 0, 0); } if (left < thresh) { @@ -5186,7 +5188,7 @@ static int __reserve_metadata_bytes(struct btrfs_root *root, * which means we won't have fs_info->fs_root set, so don't do * the async reclaim as we will panic. */ - if (!root->fs_info->log_root_recovering && + if (!test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags) && need_do_async_reclaim(space_info, root, used) && !work_busy(&root->fs_info->async_reclaim_work)) { trace_btrfs_trigger_flush(root->fs_info, @@ -5792,7 +5794,7 @@ int btrfs_subvolume_reserve_metadata(struct btrfs_root *root, int ret; struct btrfs_block_rsv *global_rsv = &root->fs_info->global_block_rsv; - if (root->fs_info->quota_enabled) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) { /* One for parent inode, two for dir entries */ num_bytes = 3 * root->nodesize; ret = btrfs_qgroup_reserve_meta(root, num_bytes); @@ -5970,7 +5972,7 @@ int btrfs_delalloc_reserve_metadata(struct inode *inode, u64 num_bytes) csum_bytes = BTRFS_I(inode)->csum_bytes; spin_unlock(&BTRFS_I(inode)->lock); - if (root->fs_info->quota_enabled) { + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) { ret = btrfs_qgroup_reserve_meta(root, nr_extents * root->nodesize); if (ret) @@ -6110,8 +6112,6 @@ void btrfs_delalloc_release_metadata(struct inode *inode, u64 num_bytes) * @start: start range we are writing to * @len: how long the range we are writing to * - * TODO: This function will finally replace old btrfs_delalloc_reserve_space() - * * This will do the following things * * o reserve space in data space info for num bytes @@ -6930,8 +6930,9 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, } if (ret) { - btrfs_err(info, "umm, got %d back from search, was looking for %llu", - ret, bytenr); + btrfs_err(info, + "umm, got %d back from search, was looking for %llu", + ret, bytenr); if (ret > 0) btrfs_print_leaf(extent_root, path->nodes[0]); @@ -6977,7 +6978,8 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, ret = btrfs_search_slot(trans, extent_root, &key, path, -1, 1); if (ret) { - btrfs_err(info, "umm, got %d back from search, was looking for %llu", + btrfs_err(info, + "umm, got %d back from search, was looking for %llu", ret, bytenr); btrfs_print_leaf(extent_root, path->nodes[0]); } @@ -7004,8 +7006,9 @@ static int __btrfs_free_extent(struct btrfs_trans_handle *trans, refs = btrfs_extent_refs(leaf, ei); if (refs < refs_to_drop) { - btrfs_err(info, "trying to drop %d refs but we only have %Lu " - "for bytenr %Lu", refs_to_drop, refs, bytenr); + btrfs_err(info, + "trying to drop %d refs but we only have %Lu for bytenr %Lu", + refs_to_drop, refs, bytenr); ret = -EINVAL; btrfs_abort_transaction(trans, ret); goto out; @@ -7901,23 +7904,24 @@ out: return ret; } -static void dump_space_info(struct btrfs_space_info *info, u64 bytes, +static void dump_space_info(struct btrfs_fs_info *fs_info, + struct btrfs_space_info *info, u64 bytes, int dump_block_groups) { struct btrfs_block_group_cache *cache; int index = 0; spin_lock(&info->lock); - printk(KERN_INFO "BTRFS: space_info %llu has %llu free, is %sfull\n", - info->flags, - info->total_bytes - info->bytes_used - info->bytes_pinned - - info->bytes_reserved - info->bytes_readonly - - info->bytes_may_use, (info->full) ? "" : "not "); - printk(KERN_INFO "BTRFS: space_info total=%llu, used=%llu, pinned=%llu, " - "reserved=%llu, may_use=%llu, readonly=%llu\n", - info->total_bytes, info->bytes_used, info->bytes_pinned, - info->bytes_reserved, info->bytes_may_use, - info->bytes_readonly); + btrfs_info(fs_info, "space_info %llu has %llu free, is %sfull", + info->flags, + info->total_bytes - info->bytes_used - info->bytes_pinned - + info->bytes_reserved - info->bytes_readonly - + info->bytes_may_use, (info->full) ? "" : "not "); + btrfs_info(fs_info, + "space_info total=%llu, used=%llu, pinned=%llu, reserved=%llu, may_use=%llu, readonly=%llu", + info->total_bytes, info->bytes_used, info->bytes_pinned, + info->bytes_reserved, info->bytes_may_use, + info->bytes_readonly); spin_unlock(&info->lock); if (!dump_block_groups) @@ -7927,12 +7931,11 @@ static void dump_space_info(struct btrfs_space_info *info, u64 bytes, again: list_for_each_entry(cache, &info->block_groups[index], list) { spin_lock(&cache->lock); - printk(KERN_INFO "BTRFS: " - "block group %llu has %llu bytes, " - "%llu used %llu pinned %llu reserved %s\n", - cache->key.objectid, cache->key.offset, - btrfs_block_group_used(&cache->item), cache->pinned, - cache->reserved, cache->ro ? "[readonly]" : ""); + btrfs_info(fs_info, + "block group %llu has %llu bytes, %llu used %llu pinned %llu reserved %s", + cache->key.objectid, cache->key.offset, + btrfs_block_group_used(&cache->item), cache->pinned, + cache->reserved, cache->ro ? "[readonly]" : ""); btrfs_dump_free_space(cache, bytes); spin_unlock(&cache->lock); } @@ -7946,6 +7949,7 @@ int btrfs_reserve_extent(struct btrfs_root *root, u64 ram_bytes, u64 empty_size, u64 hint_byte, struct btrfs_key *ins, int is_data, int delalloc) { + struct btrfs_fs_info *fs_info = root->fs_info; bool final_tried = num_bytes == min_alloc_size; u64 flags; int ret; @@ -7956,8 +7960,7 @@ again: ret = find_free_extent(root, ram_bytes, num_bytes, empty_size, hint_byte, ins, flags, delalloc); if (!ret && !is_data) { - btrfs_dec_block_group_reservations(root->fs_info, - ins->objectid); + btrfs_dec_block_group_reservations(fs_info, ins->objectid); } else if (ret == -ENOSPC) { if (!final_tried && ins->offset) { num_bytes = min(num_bytes >> 1, ins->offset); @@ -7967,14 +7970,15 @@ again: if (num_bytes == min_alloc_size) final_tried = true; goto again; - } else if (btrfs_test_opt(root->fs_info, ENOSPC_DEBUG)) { + } else if (btrfs_test_opt(fs_info, ENOSPC_DEBUG)) { struct btrfs_space_info *sinfo; - sinfo = __find_space_info(root->fs_info, flags); - btrfs_err(root->fs_info, "allocation failed flags %llu, wanted %llu", - flags, num_bytes); + sinfo = __find_space_info(fs_info, flags); + btrfs_err(root->fs_info, + "allocation failed flags %llu, wanted %llu", + flags, num_bytes); if (sinfo) - dump_space_info(sinfo, num_bytes, 1); + dump_space_info(fs_info, sinfo, num_bytes, 1); } } @@ -8462,7 +8466,6 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, u64 refs; u64 flags; u32 nritems; - u32 blocksize; struct btrfs_key key; struct extent_buffer *eb; int ret; @@ -8480,7 +8483,6 @@ static noinline void reada_walk_down(struct btrfs_trans_handle *trans, eb = path->nodes[wc->level]; nritems = btrfs_header_nritems(eb); - blocksize = root->nodesize; for (slot = path->slots[wc->level]; slot < nritems; slot++) { if (nread >= wc->reada_count) @@ -8544,7 +8546,7 @@ static int account_leaf_items(struct btrfs_trans_handle *trans, u64 bytenr, num_bytes; /* We can be called directly from walk_up_proc() */ - if (!root->fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) return 0; for (i = 0; i < nr; i++) { @@ -8653,7 +8655,7 @@ static int account_shared_subtree(struct btrfs_trans_handle *trans, BUG_ON(root_level < 0 || root_level > BTRFS_MAX_LEVEL); BUG_ON(root_eb == NULL); - if (!root->fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags)) return 0; if (!extent_buffer_uptodate(root_eb)) { @@ -8884,14 +8886,13 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, ret = btrfs_lookup_extent_info(trans, root, bytenr, level - 1, 1, &wc->refs[level - 1], &wc->flags[level - 1]); - if (ret < 0) { - btrfs_tree_unlock(next); - return ret; - } + if (ret < 0) + goto out_unlock; if (unlikely(wc->refs[level - 1] == 0)) { btrfs_err(root->fs_info, "Missing references."); - BUG(); + ret = -EIO; + goto out_unlock; } *lookup_info = 0; @@ -8943,7 +8944,12 @@ static noinline int do_walk_down(struct btrfs_trans_handle *trans, } level--; - BUG_ON(level != btrfs_header_level(next)); + ASSERT(level == btrfs_header_level(next)); + if (level != btrfs_header_level(next)) { + btrfs_err(root->fs_info, "mismatched level"); + ret = -EIO; + goto out_unlock; + } path->nodes[level] = next; path->slots[level] = 0; path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING; @@ -8958,8 +8964,15 @@ skip: if (wc->flags[level] & BTRFS_BLOCK_FLAG_FULL_BACKREF) { parent = path->nodes[level]->start; } else { - BUG_ON(root->root_key.objectid != + ASSERT(root->root_key.objectid == btrfs_header_owner(path->nodes[level])); + if (root->root_key.objectid != + btrfs_header_owner(path->nodes[level])) { + btrfs_err(root->fs_info, + "mismatched block owner"); + ret = -EIO; + goto out_unlock; + } parent = 0; } @@ -8968,20 +8981,24 @@ skip: generation, level - 1); if (ret) { btrfs_err_rl(root->fs_info, - "Error " - "%d accounting shared subtree. Quota " - "is out of sync, rescan required.", - ret); + "Error %d accounting shared subtree. Quota is out of sync, rescan required.", + ret); } } ret = btrfs_free_extent(trans, root, bytenr, blocksize, parent, root->root_key.objectid, level - 1, 0); - BUG_ON(ret); /* -ENOMEM */ + if (ret) + goto out_unlock; } + + *lookup_info = 1; + ret = 1; + +out_unlock: btrfs_tree_unlock(next); free_extent_buffer(next); - *lookup_info = 1; - return 1; + + return ret; } /* @@ -9061,10 +9078,8 @@ static noinline int walk_up_proc(struct btrfs_trans_handle *trans, ret = account_leaf_items(trans, root, eb); if (ret) { btrfs_err_rl(root->fs_info, - "error " - "%d accounting leaf items. Quota " - "is out of sync, rescan required.", - ret); + "error %d accounting leaf items. Quota is out of sync, rescan required.", + ret); } } /* make block locked assertion in clean_tree_block happy */ @@ -9180,9 +9195,10 @@ int btrfs_drop_snapshot(struct btrfs_root *root, struct btrfs_block_rsv *block_rsv, int update_ref, int for_reloc) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_path *path; struct btrfs_trans_handle *trans; - struct btrfs_root *tree_root = root->fs_info->tree_root; + struct btrfs_root *tree_root = fs_info->tree_root; struct btrfs_root_item *root_item = &root->root_item; struct walk_control *wc; struct btrfs_key key; @@ -9191,7 +9207,7 @@ int btrfs_drop_snapshot(struct btrfs_root *root, int level; bool root_dropped = false; - btrfs_debug(root->fs_info, "Drop subvolume %llu", root->objectid); + btrfs_debug(fs_info, "Drop subvolume %llu", root->objectid); path = btrfs_alloc_path(); if (!path) { @@ -9320,7 +9336,8 @@ int btrfs_drop_snapshot(struct btrfs_root *root, btrfs_end_transaction_throttle(trans, tree_root); if (!for_reloc && btrfs_need_cleaner_sleep(root)) { - pr_debug("BTRFS: drop snapshot early exit\n"); + btrfs_debug(fs_info, + "drop snapshot early exit"); err = -EAGAIN; goto out_free; } @@ -9386,7 +9403,7 @@ out: if (!for_reloc && root_dropped == false) btrfs_add_dead_root(root); if (err && err != -EAGAIN) - btrfs_handle_fs_error(root->fs_info, err, NULL); + btrfs_handle_fs_error(fs_info, err, NULL); return err; } @@ -10020,7 +10037,7 @@ int btrfs_free_block_groups(struct btrfs_fs_info *info) if (WARN_ON(space_info->bytes_pinned > 0 || space_info->bytes_reserved > 0 || space_info->bytes_may_use > 0)) - dump_space_info(space_info, 0, 0); + dump_space_info(info, space_info, 0, 0); list_del(&space_info->list); for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) { struct kobject *kobj; @@ -10069,7 +10086,8 @@ static void __link_block_group(struct btrfs_space_info *space_info, return; out_err: - pr_warn("BTRFS: failed to add kobject for block cache. ignoring.\n"); + btrfs_warn(cache->fs_info, + "failed to add kobject for block cache, ignoring"); } static struct btrfs_block_group_cache * @@ -10127,6 +10145,11 @@ int btrfs_read_block_groups(struct btrfs_root *root) struct extent_buffer *leaf; int need_clear = 0; u64 cache_gen; + u64 feature; + int mixed; + + feature = btrfs_super_incompat_flags(info->super_copy); + mixed = !!(feature & BTRFS_FEATURE_INCOMPAT_MIXED_GROUPS); root = info->extent_root; key.objectid = 0; @@ -10180,6 +10203,15 @@ int btrfs_read_block_groups(struct btrfs_root *root) btrfs_item_ptr_offset(leaf, path->slots[0]), sizeof(cache->item)); cache->flags = btrfs_block_group_flags(&cache->item); + if (!mixed && + ((cache->flags & BTRFS_BLOCK_GROUP_METADATA) && + (cache->flags & BTRFS_BLOCK_GROUP_DATA))) { + btrfs_err(info, +"bg %llu is a mixed block group but filesystem hasn't enabled mixed block groups", + cache->key.objectid); + ret = -EINVAL; + goto error; + } key.objectid = found_key.objectid + found_key.offset; btrfs_release_path(path); @@ -10789,7 +10821,7 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) struct btrfs_trans_handle *trans; int ret = 0; - if (!fs_info->open) + if (!test_bit(BTRFS_FS_OPEN, &fs_info->flags)) return; spin_lock(&fs_info->unused_bgs_lock); diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index 44fe66b53c8b..ee40384c394d 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -20,6 +20,7 @@ #include "locking.h" #include "rcu-string.h" #include "backref.h" +#include "transaction.h" static struct kmem_cache *extent_state_cache; static struct kmem_cache *extent_buffer_cache; @@ -74,8 +75,7 @@ void btrfs_leak_debug_check(void) while (!list_empty(&buffers)) { eb = list_entry(buffers.next, struct extent_buffer, leak_list); - printk(KERN_ERR "BTRFS: buffer leak start %llu len %lu " - "refs %d\n", + pr_err("BTRFS: buffer leak start %llu len %lu refs %d\n", eb->start, eb->len, atomic_read(&eb->refs)); list_del(&eb->leak_list); kmem_cache_free(extent_buffer_cache, eb); @@ -460,8 +460,7 @@ static int insert_state(struct extent_io_tree *tree, if (node) { struct extent_state *found; found = rb_entry(node, struct extent_state, rb_node); - printk(KERN_ERR "BTRFS: found node %llu %llu on insert of " - "%llu %llu\n", + pr_err("BTRFS: found node %llu %llu on insert of %llu %llu\n", found->start, found->end, start, end); return -EEXIST; } @@ -572,9 +571,8 @@ alloc_extent_state_atomic(struct extent_state *prealloc) static void extent_io_tree_panic(struct extent_io_tree *tree, int err) { - btrfs_panic(tree_fs_info(tree), err, "Locking error: " - "Extent tree was modified by another " - "thread while locked."); + btrfs_panic(tree_fs_info(tree), err, + "Locking error: Extent tree was modified by another thread while locked."); } /* @@ -1729,7 +1727,7 @@ out_failed: } void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end, - struct page *locked_page, + u64 delalloc_end, struct page *locked_page, unsigned clear_bits, unsigned long page_ops) { @@ -2122,8 +2120,9 @@ int clean_io_failure(struct inode *inode, u64 start, struct page *page, if (failrec->in_validation) { /* there was no real error, just free the record */ - pr_debug("clean_io_failure: freeing dummy error at %llu\n", - failrec->start); + btrfs_debug(fs_info, + "clean_io_failure: freeing dummy error at %llu", + failrec->start); goto out; } if (fs_info->sb->s_flags & MS_RDONLY) @@ -2189,6 +2188,7 @@ void btrfs_free_io_failure_record(struct inode *inode, u64 start, u64 end) int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, struct io_failure_record **failrec_ret) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); struct io_failure_record *failrec; struct extent_map *em; struct extent_io_tree *failure_tree = &BTRFS_I(inode)->io_failure_tree; @@ -2236,8 +2236,9 @@ int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, em->compress_type); } - pr_debug("Get IO Failure Record: (new) logical=%llu, start=%llu, len=%llu\n", - logical, start, failrec->len); + btrfs_debug(fs_info, + "Get IO Failure Record: (new) logical=%llu, start=%llu, len=%llu", + logical, start, failrec->len); failrec->logical = logical; free_extent_map(em); @@ -2255,9 +2256,10 @@ int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, return ret; } } else { - pr_debug("Get IO Failure Record: (found) logical=%llu, start=%llu, len=%llu, validation=%d\n", - failrec->logical, failrec->start, failrec->len, - failrec->in_validation); + btrfs_debug(fs_info, + "Get IO Failure Record: (found) logical=%llu, start=%llu, len=%llu, validation=%d", + failrec->logical, failrec->start, failrec->len, + failrec->in_validation); /* * when data can be on disk more than twice, add to failrec here * (e.g. with a list for failed_mirror) to make @@ -2273,18 +2275,19 @@ int btrfs_get_io_failure_record(struct inode *inode, u64 start, u64 end, int btrfs_check_repairable(struct inode *inode, struct bio *failed_bio, struct io_failure_record *failrec, int failed_mirror) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int num_copies; - num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info, - failrec->logical, failrec->len); + num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len); if (num_copies == 1) { /* * we only have a single copy of the data, so don't bother with * all the retry and error correction code that follows. no * matter what the error is, it is very likely to persist. */ - pr_debug("Check Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -2323,8 +2326,9 @@ int btrfs_check_repairable(struct inode *inode, struct bio *failed_bio, } if (failrec->this_mirror > num_copies) { - pr_debug("Check Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -2415,8 +2419,9 @@ static int bio_readpage_error(struct bio *failed_bio, u64 phy_offset, } bio_set_op_attrs(bio, REQ_OP_READ, read_mode); - pr_debug("Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d\n", - read_mode, failrec->this_mirror, failrec->in_validation); + btrfs_debug(btrfs_sb(inode->i_sb), + "Repair Read Error: submitting new read[%#x] to this_mirror=%d, in_validation=%d", + read_mode, failrec->this_mirror, failrec->in_validation); ret = tree->ops->submit_bio_hook(inode, bio, failrec->this_mirror, failrec->bio_flags, 0); @@ -2484,8 +2489,7 @@ static void end_bio_extent_writepage(struct bio *bio) bvec->bv_offset, bvec->bv_len); else btrfs_info(BTRFS_I(page->mapping->host)->root->fs_info, - "incomplete page write in btrfs with offset %u and " - "length %u", + "incomplete page write in btrfs with offset %u and length %u", bvec->bv_offset, bvec->bv_len); } @@ -2541,10 +2545,12 @@ static void end_bio_extent_readpage(struct bio *bio) bio_for_each_segment_all(bvec, bio, i) { struct page *page = bvec->bv_page; struct inode *inode = page->mapping->host; + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - pr_debug("end_bio_extent_readpage: bi_sector=%llu, err=%d, " - "mirror=%u\n", (u64)bio->bi_iter.bi_sector, - bio->bi_error, io_bio->mirror_num); + btrfs_debug(fs_info, + "end_bio_extent_readpage: bi_sector=%llu, err=%d, mirror=%u", + (u64)bio->bi_iter.bi_sector, bio->bi_error, + io_bio->mirror_num); tree = &BTRFS_I(inode)->io_tree; /* We always issue full-page reads, but if some block @@ -2554,13 +2560,12 @@ static void end_bio_extent_readpage(struct bio *bio) * if they don't add up to a full page. */ if (bvec->bv_offset || bvec->bv_len != PAGE_SIZE) { if (bvec->bv_offset + bvec->bv_len != PAGE_SIZE) - btrfs_err(BTRFS_I(page->mapping->host)->root->fs_info, - "partial page read in btrfs with offset %u and length %u", + btrfs_err(fs_info, + "partial page read in btrfs with offset %u and length %u", bvec->bv_offset, bvec->bv_len); else - btrfs_info(BTRFS_I(page->mapping->host)->root->fs_info, - "incomplete page read in btrfs with offset %u and " - "length %u", + btrfs_info(fs_info, + "incomplete page read in btrfs with offset %u and length %u", bvec->bv_offset, bvec->bv_len); } @@ -3624,7 +3629,6 @@ static void end_extent_buffer_writeback(struct extent_buffer *eb) static void set_btree_ioerr(struct page *page) { struct extent_buffer *eb = (struct extent_buffer *)page->private; - struct btrfs_inode *btree_ino = BTRFS_I(eb->fs_info->btree_inode); SetPageError(page); if (test_and_set_bit(EXTENT_BUFFER_WRITE_ERR, &eb->bflags)) @@ -3670,13 +3674,13 @@ static void set_btree_ioerr(struct page *page) */ switch (eb->log_index) { case -1: - set_bit(BTRFS_INODE_BTREE_ERR, &btree_ino->runtime_flags); + set_bit(BTRFS_FS_BTREE_ERR, &eb->fs_info->flags); break; case 0: - set_bit(BTRFS_INODE_BTREE_LOG1_ERR, &btree_ino->runtime_flags); + set_bit(BTRFS_FS_LOG1_ERR, &eb->fs_info->flags); break; case 1: - set_bit(BTRFS_INODE_BTREE_LOG2_ERR, &btree_ino->runtime_flags); + set_bit(BTRFS_FS_LOG2_ERR, &eb->fs_info->flags); break; default: BUG(); /* unexpected, logic error */ @@ -3721,8 +3725,10 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb, struct block_device *bdev = fs_info->fs_devices->latest_bdev; struct extent_io_tree *tree = &BTRFS_I(fs_info->btree_inode)->io_tree; u64 offset = eb->start; + u32 nritems; unsigned long i, num_pages; unsigned long bio_flags = 0; + unsigned long start, end; int write_flags = (epd->sync_io ? WRITE_SYNC : 0) | REQ_META; int ret = 0; @@ -3732,6 +3738,23 @@ static noinline_for_stack int write_one_eb(struct extent_buffer *eb, if (btrfs_header_owner(eb) == BTRFS_TREE_LOG_OBJECTID) bio_flags = EXTENT_BIO_TREE_LOG; + /* set btree blocks beyond nritems with 0 to avoid stale content. */ + nritems = btrfs_header_nritems(eb); + if (btrfs_header_level(eb) > 0) { + end = btrfs_node_key_ptr_offset(nritems); + + memset_extent_buffer(eb, 0, end, eb->len - end); + } else { + /* + * leaf: + * header 0 1 2 .. N ... data_N .. data_2 data_1 data_0 + */ + start = btrfs_item_nr_offset(nritems); + end = btrfs_leaf_data(eb) + + leaf_data_end(fs_info->tree_root, eb); + memset_extent_buffer(eb, 0, start, end - start); + } + for (i = 0; i < num_pages; i++) { struct page *p = eb->pages[i]; @@ -4487,21 +4510,36 @@ int extent_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, flags |= (FIEMAP_EXTENT_DELALLOC | FIEMAP_EXTENT_UNKNOWN); } else if (fieinfo->fi_extents_max) { + struct btrfs_trans_handle *trans; + u64 bytenr = em->block_start - (em->start - em->orig_start); disko = em->block_start + offset_in_extent; /* + * We need a trans handle to get delayed refs + */ + trans = btrfs_join_transaction(root); + /* + * It's OK if we can't start a trans we can still check + * from commit_root + */ + if (IS_ERR(trans)) + trans = NULL; + + /* * As btrfs supports shared space, this information * can be exported to userspace tools via * flag FIEMAP_EXTENT_SHARED. If fi_extents_max == 0 * then we're just getting a count and we can skip the * lookup stuff. */ - ret = btrfs_check_shared(NULL, root->fs_info, + ret = btrfs_check_shared(trans, root->fs_info, root->objectid, btrfs_ino(inode), bytenr); + if (trans) + btrfs_end_transaction(trans, root); if (ret < 0) goto out_free; if (ret) @@ -5173,11 +5211,10 @@ int extent_buffer_uptodate(struct extent_buffer *eb) } int read_extent_buffer_pages(struct extent_io_tree *tree, - struct extent_buffer *eb, u64 start, int wait, + struct extent_buffer *eb, int wait, get_extent_t *get_extent, int mirror_num) { unsigned long i; - unsigned long start_i; struct page *page; int err; int ret = 0; @@ -5191,16 +5228,8 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, if (test_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags)) return 0; - if (start) { - WARN_ON(start < eb->start); - start_i = (start >> PAGE_SHIFT) - - (eb->start >> PAGE_SHIFT); - } else { - start_i = 0; - } - num_pages = num_extent_pages(eb->start, eb->len); - for (i = start_i; i < num_pages; i++) { + for (i = 0; i < num_pages; i++) { page = eb->pages[i]; if (wait == WAIT_NONE) { if (!trylock_page(page)) @@ -5209,21 +5238,29 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, lock_page(page); } locked_pages++; + } + /* + * We need to firstly lock all pages to make sure that + * the uptodate bit of our pages won't be affected by + * clear_extent_buffer_uptodate(). + */ + for (i = 0; i < num_pages; i++) { + page = eb->pages[i]; if (!PageUptodate(page)) { num_reads++; all_uptodate = 0; } } + if (all_uptodate) { - if (start_i == 0) - set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); + set_bit(EXTENT_BUFFER_UPTODATE, &eb->bflags); goto unlock_exit; } clear_bit(EXTENT_BUFFER_READ_ERR, &eb->bflags); eb->read_mirror = 0; atomic_set(&eb->io_pages, num_reads); - for (i = start_i; i < num_pages; i++) { + for (i = 0; i < num_pages; i++) { page = eb->pages[i]; if (!PageUptodate(page)) { @@ -5264,7 +5301,7 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, if (ret || wait != WAIT_COMPLETE) return ret; - for (i = start_i; i < num_pages; i++) { + for (i = 0; i < num_pages; i++) { page = eb->pages[i]; wait_on_page_locked(page); if (!PageUptodate(page)) @@ -5274,12 +5311,10 @@ int read_extent_buffer_pages(struct extent_io_tree *tree, return ret; unlock_exit: - i = start_i; while (locked_pages > 0) { - page = eb->pages[i]; - i++; - unlock_page(page); locked_pages--; + page = eb->pages[locked_pages]; + unlock_page(page); } return ret; } @@ -5382,8 +5417,7 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long start, } if (start + min_len > eb->len) { - WARN(1, KERN_ERR "btrfs bad mapping eb start %llu len %lu, " - "wanted %lu %lu\n", + WARN(1, KERN_ERR "btrfs bad mapping eb start %llu len %lu, wanted %lu %lu\n", eb->start, eb->len, start, min_len); return -EINVAL; } @@ -5713,14 +5747,14 @@ void memcpy_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset, if (src_offset + len > dst->len) { btrfs_err(dst->fs_info, - "memmove bogus src_offset %lu move " - "len %lu dst len %lu", src_offset, len, dst->len); + "memmove bogus src_offset %lu move len %lu dst len %lu", + src_offset, len, dst->len); BUG_ON(1); } if (dst_offset + len > dst->len) { btrfs_err(dst->fs_info, - "memmove bogus dst_offset %lu move " - "len %lu dst len %lu", dst_offset, len, dst->len); + "memmove bogus dst_offset %lu move len %lu dst len %lu", + dst_offset, len, dst->len); BUG_ON(1); } @@ -5760,13 +5794,15 @@ void memmove_extent_buffer(struct extent_buffer *dst, unsigned long dst_offset, unsigned long src_i; if (src_offset + len > dst->len) { - btrfs_err(dst->fs_info, "memmove bogus src_offset %lu move " - "len %lu len %lu", src_offset, len, dst->len); + btrfs_err(dst->fs_info, + "memmove bogus src_offset %lu move len %lu len %lu", + src_offset, len, dst->len); BUG_ON(1); } if (dst_offset + len > dst->len) { - btrfs_err(dst->fs_info, "memmove bogus dst_offset %lu move " - "len %lu len %lu", dst_offset, len, dst->len); + btrfs_err(dst->fs_info, + "memmove bogus dst_offset %lu move len %lu len %lu", + dst_offset, len, dst->len); BUG_ON(1); } if (dst_offset < src_offset) { diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index 28cd88fccc7e..4a094f1dc7ef 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -359,7 +359,7 @@ void free_extent_buffer_stale(struct extent_buffer *eb); #define WAIT_COMPLETE 1 #define WAIT_PAGE_LOCK 2 int read_extent_buffer_pages(struct extent_io_tree *tree, - struct extent_buffer *eb, u64 start, int wait, + struct extent_buffer *eb, int wait, get_extent_t *get_extent, int mirror_num); void wait_on_extent_buffer_writeback(struct extent_buffer *eb); @@ -413,7 +413,7 @@ int map_private_extent_buffer(struct extent_buffer *eb, unsigned long offset, void extent_range_clear_dirty_for_io(struct inode *inode, u64 start, u64 end); void extent_range_redirty_for_io(struct inode *inode, u64 start, u64 end); void extent_clear_unlock_delalloc(struct inode *inode, u64 start, u64 end, - struct page *locked_page, + u64 delalloc_end, struct page *locked_page, unsigned bits_to_clear, unsigned long page_ops); struct bio * diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index fea31a4a6e36..3a14c87d9c92 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -503,7 +503,7 @@ int btrfs_dirty_pages(struct btrfs_root *root, struct inode *inode, end_of_last_block = start_pos + num_bytes - 1; err = btrfs_set_extent_delalloc(inode, start_pos, end_of_last_block, - cached); + cached, 0); if (err) return err; @@ -1110,13 +1110,25 @@ again: leaf = path->nodes[0]; btrfs_item_key_to_cpu(leaf, &key, path->slots[0]); - BUG_ON(key.objectid != ino || key.type != BTRFS_EXTENT_DATA_KEY); + if (key.objectid != ino || + key.type != BTRFS_EXTENT_DATA_KEY) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } fi = btrfs_item_ptr(leaf, path->slots[0], struct btrfs_file_extent_item); - BUG_ON(btrfs_file_extent_type(leaf, fi) != - BTRFS_FILE_EXTENT_PREALLOC); + if (btrfs_file_extent_type(leaf, fi) != BTRFS_FILE_EXTENT_PREALLOC) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } extent_end = key.offset + btrfs_file_extent_num_bytes(leaf, fi); - BUG_ON(key.offset > start || extent_end < end); + if (key.offset > start || extent_end < end) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } bytenr = btrfs_file_extent_disk_bytenr(leaf, fi); num_bytes = btrfs_file_extent_disk_num_bytes(leaf, fi); @@ -1213,12 +1225,19 @@ again: ret = btrfs_inc_extent_ref(trans, root, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); - BUG_ON(ret); /* -ENOMEM */ + if (ret) { + btrfs_abort_transaction(trans, ret); + goto out; + } if (split == start) { key.offset = start; } else { - BUG_ON(start != key.offset); + if (start != key.offset) { + ret = -EINVAL; + btrfs_abort_transaction(trans, ret); + goto out; + } path->slots[0]--; extent_end = end; } @@ -1240,7 +1259,10 @@ again: ret = btrfs_free_extent(trans, root, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); - BUG_ON(ret); /* -ENOMEM */ + if (ret) { + btrfs_abort_transaction(trans, ret); + goto out; + } } other_start = 0; other_end = start; @@ -1257,7 +1279,10 @@ again: ret = btrfs_free_extent(trans, root, bytenr, num_bytes, 0, root->root_key.objectid, ino, orig_offset); - BUG_ON(ret); /* -ENOMEM */ + if (ret) { + btrfs_abort_transaction(trans, ret); + goto out; + } } if (del_nr == 0) { fi = btrfs_item_ptr(leaf, path->slots[0], @@ -1757,7 +1782,7 @@ static void update_time_for_write(struct inode *inode) if (IS_NOCMTIME(inode)) return; - now = current_fs_time(inode->i_sb); + now = current_time(inode); if (!timespec_equal(&inode->i_mtime, &now)) inode->i_mtime = now; @@ -2040,7 +2065,7 @@ int btrfs_sync_file(struct file *file, loff_t start, loff_t end, int datasync) * flags for any errors that might have happened while doing * writeback of file data. */ - ret = btrfs_inode_check_errors(inode); + ret = filemap_check_errors(inode->i_mapping); inode_unlock(inode); goto out; } @@ -2578,7 +2603,7 @@ out_trans: goto out_free; inode_inc_iversion(inode); - inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_mtime = inode->i_ctime = current_time(inode); trans->block_rsv = &root->fs_info->trans_block_rsv; ret = btrfs_update_inode(trans, root, inode); @@ -2842,7 +2867,7 @@ static long btrfs_fallocate(struct file *file, int mode, if (IS_ERR(trans)) { ret = PTR_ERR(trans); } else { - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); i_size_write(inode, actual_end); btrfs_ordered_update_i_size(inode, actual_end, NULL); ret = btrfs_update_inode(trans, root, inode); diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index d571bd2b697b..e4b48f377d3a 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -716,8 +716,7 @@ static int __load_free_space_cache(struct btrfs_root *root, struct inode *inode, if (BTRFS_I(inode)->generation != generation) { btrfs_err(root->fs_info, - "free space inode generation (%llu) " - "did not match free space cache generation (%llu)", + "free space inode generation (%llu) did not match free space cache generation (%llu)", BTRFS_I(inode)->generation, generation); return 0; } @@ -879,8 +878,9 @@ int load_free_space_cache(struct btrfs_fs_info *fs_info, if (!matched) { __btrfs_remove_free_space_cache(ctl); - btrfs_warn(fs_info, "block group %llu has wrong amount of free space", - block_group->key.objectid); + btrfs_warn(fs_info, + "block group %llu has wrong amount of free space", + block_group->key.objectid); ret = -1; } out: @@ -891,8 +891,9 @@ out: spin_unlock(&block_group->lock); ret = 0; - btrfs_warn(fs_info, "failed to load free space cache for block group %llu, rebuilding it now", - block_group->key.objectid); + btrfs_warn(fs_info, + "failed to load free space cache for block group %llu, rebuilding it now", + block_group->key.objectid); } iput(inode); @@ -2298,7 +2299,8 @@ static void steal_from_bitmap(struct btrfs_free_space_ctl *ctl, } } -int __btrfs_add_free_space(struct btrfs_free_space_ctl *ctl, +int __btrfs_add_free_space(struct btrfs_fs_info *fs_info, + struct btrfs_free_space_ctl *ctl, u64 offset, u64 bytes) { struct btrfs_free_space *info; @@ -2345,7 +2347,7 @@ out: spin_unlock(&ctl->tree_lock); if (ret) { - printk(KERN_CRIT "BTRFS: unable to add free space :%d\n", ret); + btrfs_crit(fs_info, "unable to add free space :%d", ret); ASSERT(ret != -EEXIST); } @@ -2621,7 +2623,8 @@ out: spin_unlock(&ctl->tree_lock); if (align_gap_len) - __btrfs_add_free_space(ctl, align_gap, align_gap_len); + __btrfs_add_free_space(block_group->fs_info, ctl, + align_gap, align_gap_len); return ret; } diff --git a/fs/btrfs/free-space-cache.h b/fs/btrfs/free-space-cache.h index 3af651c2bbc7..363fdd955e5d 100644 --- a/fs/btrfs/free-space-cache.h +++ b/fs/btrfs/free-space-cache.h @@ -89,13 +89,15 @@ int btrfs_write_out_ino_cache(struct btrfs_root *root, struct inode *inode); void btrfs_init_free_space_ctl(struct btrfs_block_group_cache *block_group); -int __btrfs_add_free_space(struct btrfs_free_space_ctl *ctl, +int __btrfs_add_free_space(struct btrfs_fs_info *fs_info, + struct btrfs_free_space_ctl *ctl, u64 bytenr, u64 size); static inline int btrfs_add_free_space(struct btrfs_block_group_cache *block_group, u64 bytenr, u64 size) { - return __btrfs_add_free_space(block_group->free_space_ctl, + return __btrfs_add_free_space(block_group->fs_info, + block_group->free_space_ctl, bytenr, size); } int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index 87e7e3d3e676..e4a42a8e4f84 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -107,7 +107,7 @@ search_free_space_info(struct btrfs_trans_handle *trans, if (ret < 0) return ERR_PTR(ret); if (ret != 0) { - btrfs_warn(fs_info, "missing free space info for %llu\n", + btrfs_warn(fs_info, "missing free space info for %llu", block_group->key.objectid); ASSERT(0); return ERR_PTR(-ENOENT); @@ -261,7 +261,8 @@ int convert_free_space_to_bitmaps(struct btrfs_trans_handle *trans, btrfs_release_path(path); if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); @@ -442,7 +443,8 @@ int convert_free_space_to_extents(struct btrfs_trans_handle *trans, } if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); @@ -1163,7 +1165,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) if (IS_ERR(trans)) return PTR_ERR(trans); - fs_info->creating_free_space_tree = 1; + set_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags); free_space_root = btrfs_create_tree(trans, fs_info, BTRFS_FREE_SPACE_TREE_OBJECTID); if (IS_ERR(free_space_root)) { @@ -1183,7 +1185,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) } btrfs_set_fs_compat_ro(fs_info, FREE_SPACE_TREE); - fs_info->creating_free_space_tree = 0; + clear_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags); ret = btrfs_commit_transaction(trans, tree_root); if (ret) @@ -1192,7 +1194,7 @@ int btrfs_create_free_space_tree(struct btrfs_fs_info *fs_info) return 0; abort: - fs_info->creating_free_space_tree = 0; + clear_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags); btrfs_abort_transaction(trans, ret); btrfs_end_transaction(trans, tree_root); return ret; @@ -1480,7 +1482,8 @@ static int load_free_space_bitmaps(struct btrfs_caching_control *caching_ctl, } if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); @@ -1542,7 +1545,8 @@ static int load_free_space_extents(struct btrfs_caching_control *caching_ctl, } if (extent_count != expected_extent_count) { - btrfs_err(fs_info, "incorrect extent count for %llu; counted %u, expected %u", + btrfs_err(fs_info, + "incorrect extent count for %llu; counted %u, expected %u", block_group->key.objectid, extent_count, expected_extent_count); ASSERT(0); diff --git a/fs/btrfs/inode-map.c b/fs/btrfs/inode-map.c index 359ee861b5a4..d27014b8bf72 100644 --- a/fs/btrfs/inode-map.c +++ b/fs/btrfs/inode-map.c @@ -104,7 +104,7 @@ again: break; if (last != (u64)-1 && last + 1 != key.objectid) { - __btrfs_add_free_space(ctl, last + 1, + __btrfs_add_free_space(fs_info, ctl, last + 1, key.objectid - last - 1); wake_up(&root->ino_cache_wait); } @@ -115,7 +115,7 @@ next: } if (last < root->highest_objectid - 1) { - __btrfs_add_free_space(ctl, last + 1, + __btrfs_add_free_space(fs_info, ctl, last + 1, root->highest_objectid - last - 1); } @@ -136,12 +136,13 @@ out: static void start_caching(struct btrfs_root *root) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_free_space_ctl *ctl = root->free_ino_ctl; struct task_struct *tsk; int ret; u64 objectid; - if (!btrfs_test_opt(root->fs_info, INODE_MAP_CACHE)) + if (!btrfs_test_opt(fs_info, INODE_MAP_CACHE)) return; spin_lock(&root->ino_cache_lock); @@ -153,7 +154,7 @@ static void start_caching(struct btrfs_root *root) root->ino_cache_state = BTRFS_CACHE_STARTED; spin_unlock(&root->ino_cache_lock); - ret = load_free_ino_cache(root->fs_info, root); + ret = load_free_ino_cache(fs_info, root); if (ret == 1) { spin_lock(&root->ino_cache_lock); root->ino_cache_state = BTRFS_CACHE_FINISHED; @@ -170,15 +171,15 @@ static void start_caching(struct btrfs_root *root) */ ret = btrfs_find_free_objectid(root, &objectid); if (!ret && objectid <= BTRFS_LAST_FREE_OBJECTID) { - __btrfs_add_free_space(ctl, objectid, + __btrfs_add_free_space(fs_info, ctl, objectid, BTRFS_LAST_FREE_OBJECTID - objectid + 1); } tsk = kthread_run(caching_kthread, root, "btrfs-ino-cache-%llu", root->root_key.objectid); if (IS_ERR(tsk)) { - btrfs_warn(root->fs_info, "failed to start inode caching task"); - btrfs_clear_pending_and_info(root->fs_info, INODE_MAP_CACHE, + btrfs_warn(fs_info, "failed to start inode caching task"); + btrfs_clear_pending_and_info(fs_info, INODE_MAP_CACHE, "disabling inode map caching"); } } @@ -209,28 +210,29 @@ again: void btrfs_return_ino(struct btrfs_root *root, u64 objectid) { + struct btrfs_fs_info *fs_info = root->fs_info; struct btrfs_free_space_ctl *pinned = root->free_ino_pinned; - if (!btrfs_test_opt(root->fs_info, INODE_MAP_CACHE)) + if (!btrfs_test_opt(fs_info, INODE_MAP_CACHE)) return; again: if (root->ino_cache_state == BTRFS_CACHE_FINISHED) { - __btrfs_add_free_space(pinned, objectid, 1); + __btrfs_add_free_space(fs_info, pinned, objectid, 1); } else { - down_write(&root->fs_info->commit_root_sem); + down_write(&fs_info->commit_root_sem); spin_lock(&root->ino_cache_lock); if (root->ino_cache_state == BTRFS_CACHE_FINISHED) { spin_unlock(&root->ino_cache_lock); - up_write(&root->fs_info->commit_root_sem); + up_write(&fs_info->commit_root_sem); goto again; } spin_unlock(&root->ino_cache_lock); start_caching(root); - __btrfs_add_free_space(pinned, objectid, 1); + __btrfs_add_free_space(fs_info, pinned, objectid, 1); - up_write(&root->fs_info->commit_root_sem); + up_write(&fs_info->commit_root_sem); } } @@ -277,7 +279,8 @@ void btrfs_unpin_free_ino(struct btrfs_root *root) rb_erase(&info->offset_index, rbroot); spin_unlock(rbroot_lock); if (add_to_ctl) - __btrfs_add_free_space(ctl, info->offset, count); + __btrfs_add_free_space(root->fs_info, ctl, + info->offset, count); kmem_cache_free(btrfs_free_space_cachep, info); } } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index ca01106795ea..2b790bda7998 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -560,8 +560,9 @@ cont: * we don't need to create any more async work items. * Unlock and free up our temp pages. */ - extent_clear_unlock_delalloc(inode, start, end, NULL, - clear_flags, PAGE_UNLOCK | + extent_clear_unlock_delalloc(inode, start, end, end, + NULL, clear_flags, + PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK | page_error_op | @@ -837,6 +838,8 @@ retry: extent_clear_unlock_delalloc(inode, async_extent->start, async_extent->start + async_extent->ram_size - 1, + async_extent->start + + async_extent->ram_size - 1, NULL, EXTENT_LOCKED | EXTENT_DELALLOC, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK); @@ -856,7 +859,8 @@ retry: tree->ops->writepage_end_io_hook(p, start, end, NULL, 0); p->mapping = NULL; - extent_clear_unlock_delalloc(inode, start, end, NULL, 0, + extent_clear_unlock_delalloc(inode, start, end, end, + NULL, 0, PAGE_END_WRITEBACK | PAGE_SET_ERROR); free_async_extent_pages(async_extent); @@ -873,6 +877,8 @@ out_free: extent_clear_unlock_delalloc(inode, async_extent->start, async_extent->start + async_extent->ram_size - 1, + async_extent->start + + async_extent->ram_size - 1, NULL, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | @@ -966,7 +972,8 @@ static noinline int cow_file_range(struct inode *inode, ret = cow_file_range_inline(root, inode, start, end, 0, 0, NULL); if (ret == 0) { - extent_clear_unlock_delalloc(inode, start, end, NULL, + extent_clear_unlock_delalloc(inode, start, end, + delalloc_end, NULL, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DEFRAG, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | PAGE_SET_WRITEBACK | @@ -1062,7 +1069,8 @@ static noinline int cow_file_range(struct inode *inode, op |= PAGE_SET_PRIVATE2; extent_clear_unlock_delalloc(inode, start, - start + ram_size - 1, locked_page, + start + ram_size - 1, + delalloc_end, locked_page, EXTENT_LOCKED | EXTENT_DELALLOC, op); disk_num_bytes -= cur_alloc_size; @@ -1079,7 +1087,8 @@ out_reserve: btrfs_dec_block_group_reservations(root->fs_info, ins.objectid); btrfs_free_reserved_extent(root, ins.objectid, ins.offset, 1); out_unlock: - extent_clear_unlock_delalloc(inode, start, end, locked_page, + extent_clear_unlock_delalloc(inode, start, end, delalloc_end, + locked_page, EXTENT_LOCKED | EXTENT_DO_ACCOUNTING | EXTENT_DELALLOC | EXTENT_DEFRAG, PAGE_UNLOCK | PAGE_CLEAR_DIRTY | @@ -1258,7 +1267,8 @@ static noinline int run_delalloc_nocow(struct inode *inode, path = btrfs_alloc_path(); if (!path) { - extent_clear_unlock_delalloc(inode, start, end, locked_page, + extent_clear_unlock_delalloc(inode, start, end, end, + locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, PAGE_UNLOCK | @@ -1276,7 +1286,8 @@ static noinline int run_delalloc_nocow(struct inode *inode, trans = btrfs_join_transaction(root); if (IS_ERR(trans)) { - extent_clear_unlock_delalloc(inode, start, end, locked_page, + extent_clear_unlock_delalloc(inode, start, end, end, + locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DO_ACCOUNTING | EXTENT_DEFRAG, PAGE_UNLOCK | @@ -1490,7 +1501,7 @@ out_check: } extent_clear_unlock_delalloc(inode, cur_offset, - cur_offset + num_bytes - 1, + cur_offset + num_bytes - 1, end, locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_CLEAR_DATA_RESV, @@ -1522,7 +1533,7 @@ error: ret = err; if (ret && cur_offset < end) - extent_clear_unlock_delalloc(inode, cur_offset, end, + extent_clear_unlock_delalloc(inode, cur_offset, end, end, locked_page, EXTENT_LOCKED | EXTENT_DELALLOC | EXTENT_DEFRAG | EXTENT_DO_ACCOUNTING, PAGE_UNLOCK | @@ -1988,7 +1999,7 @@ static noinline int add_pending_csums(struct btrfs_trans_handle *trans, } int btrfs_set_extent_delalloc(struct inode *inode, u64 start, u64 end, - struct extent_state **cached_state) + struct extent_state **cached_state, int dedupe) { WARN_ON((end & (PAGE_SIZE - 1)) == 0); return set_extent_delalloc(&BTRFS_I(inode)->io_tree, start, end, @@ -2052,7 +2063,8 @@ again: goto out; } - btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state); + btrfs_set_extent_delalloc(inode, page_start, page_end, &cached_state, + 0); ClearPageChecked(page); set_page_dirty(page); out: @@ -2309,7 +2321,7 @@ static noinline int record_one_backref(u64 inum, u64 offset, u64 root_id, if (PTR_ERR(root) == -ENOENT) return 0; WARN_ON(1); - pr_debug("inum=%llu, offset=%llu, root_id=%llu\n", + btrfs_debug(fs_info, "inum=%llu, offset=%llu, root_id=%llu", inum, offset, root_id); return PTR_ERR(root); } @@ -3936,7 +3948,7 @@ noinline int btrfs_update_inode(struct btrfs_trans_handle *trans, */ if (!btrfs_is_free_space_inode(inode) && root->root_key.objectid != BTRFS_DATA_RELOC_TREE_OBJECTID - && !root->fs_info->log_root_recovering) { + && !test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) { btrfs_update_root_times(trans, root); ret = btrfs_delayed_update_inode(trans, root, inode); @@ -4059,7 +4071,7 @@ err: inode_inc_iversion(inode); inode_inc_iversion(dir); inode->i_ctime = dir->i_mtime = - dir->i_ctime = current_fs_time(inode->i_sb); + dir->i_ctime = current_time(inode); ret = btrfs_update_inode(trans, root, dir); out: return ret; @@ -4202,7 +4214,7 @@ int btrfs_unlink_subvol(struct btrfs_trans_handle *trans, btrfs_i_size_write(dir, dir->i_size - name_len * 2); inode_inc_iversion(dir); - dir->i_mtime = dir->i_ctime = current_fs_time(dir->i_sb); + dir->i_mtime = dir->i_ctime = current_time(dir); ret = btrfs_update_inode_fallback(trans, root, dir); if (ret) btrfs_abort_transaction(trans, ret); @@ -4757,7 +4769,7 @@ again: 0, 0, &cached_state, GFP_NOFS); ret = btrfs_set_extent_delalloc(inode, block_start, block_end, - &cached_state); + &cached_state, 0); if (ret) { unlock_extent_cached(io_tree, block_start, block_end, &cached_state, GFP_NOFS); @@ -4965,7 +4977,7 @@ static int btrfs_setsize(struct inode *inode, struct iattr *attr) inode_inc_iversion(inode); if (!(mask & (ATTR_CTIME | ATTR_MTIME))) inode->i_ctime = inode->i_mtime = - current_fs_time(inode->i_sb); + current_time(inode); } if (newsize > oldsize) { @@ -5072,7 +5084,7 @@ static int btrfs_setattr(struct dentry *dentry, struct iattr *attr) if (btrfs_root_readonly(root)) return -EROFS; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -5223,7 +5235,7 @@ void btrfs_evict_inode(struct inode *inode) btrfs_free_io_failure_record(inode, 0, (u64)-1); - if (root->fs_info->log_root_recovering) { + if (test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) { BUG_ON(test_bit(BTRFS_INODE_HAS_ORPHAN_ITEM, &BTRFS_I(inode)->runtime_flags)); goto no_delete; @@ -5672,7 +5684,7 @@ static struct inode *new_simple_dir(struct super_block *s, inode->i_op = &btrfs_dir_ro_inode_operations; inode->i_fop = &simple_dir_operations; inode->i_mode = S_IFDIR | S_IRUGO | S_IWUSR | S_IXUGO; - inode->i_mtime = current_fs_time(inode->i_sb); + inode->i_mtime = current_time(inode); inode->i_atime = inode->i_mtime; inode->i_ctime = inode->i_mtime; BTRFS_I(inode)->i_otime = inode->i_mtime; @@ -6258,7 +6270,7 @@ static struct inode *btrfs_new_inode(struct btrfs_trans_handle *trans, inode_init_owner(inode, dir, mode); inode_set_bytes(inode, 0); - inode->i_mtime = current_fs_time(inode->i_sb); + inode->i_mtime = current_time(inode); inode->i_atime = inode->i_mtime; inode->i_ctime = inode->i_mtime; BTRFS_I(inode)->i_otime = inode->i_mtime; @@ -6372,7 +6384,7 @@ int btrfs_add_link(struct btrfs_trans_handle *trans, name_len * 2); inode_inc_iversion(parent_inode); parent_inode->i_mtime = parent_inode->i_ctime = - current_fs_time(parent_inode->i_sb); + current_time(parent_inode); ret = btrfs_update_inode(trans, root, parent_inode); if (ret) btrfs_abort_transaction(trans, ret); @@ -6590,7 +6602,7 @@ static int btrfs_link(struct dentry *old_dentry, struct inode *dir, BTRFS_I(inode)->dir_index = 0ULL; inc_nlink(inode); inode_inc_iversion(inode); - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); ihold(inode); set_bit(BTRFS_INODE_COPY_EVERYTHING, &BTRFS_I(inode)->runtime_flags); @@ -7012,8 +7024,9 @@ not_found_em: insert: btrfs_release_path(path); if (em->start > start || extent_map_end(em) <= start) { - btrfs_err(root->fs_info, "bad extent! em: [%llu %llu] passed [%llu %llu]", - em->start, em->len, start, len); + btrfs_err(root->fs_info, + "bad extent! em: [%llu %llu] passed [%llu %llu]", + em->start, em->len, start, len); err = -EIO; goto out; } @@ -7865,18 +7878,19 @@ static int btrfs_check_dio_repairable(struct inode *inode, struct io_failure_record *failrec, int failed_mirror) { + struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); int num_copies; - num_copies = btrfs_num_copies(BTRFS_I(inode)->root->fs_info, - failrec->logical, failrec->len); + num_copies = btrfs_num_copies(fs_info, failrec->logical, failrec->len); if (num_copies == 1) { /* * we only have a single copy of the data, so don't bother with * all the retry and error correction code that follows. no * matter what the error is, it is very likely to persist. */ - pr_debug("Check DIO Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check DIO Repairable: cannot repair, num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -7886,8 +7900,9 @@ static int btrfs_check_dio_repairable(struct inode *inode, failrec->this_mirror++; if (failrec->this_mirror > num_copies) { - pr_debug("Check DIO Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d\n", - num_copies, failrec->this_mirror, failed_mirror); + btrfs_debug(fs_info, + "Check DIO Repairable: (fail) num_copies=%d, next_mirror %d, failed_mirror %d", + num_copies, failrec->this_mirror, failed_mirror); return 0; } @@ -8619,7 +8634,7 @@ static ssize_t check_direct_IO(struct btrfs_root *root, struct kiocb *iocb, goto out; /* If this is a write we don't need to check anymore */ - if (iov_iter_rw(iter) == WRITE) + if (iov_iter_rw(iter) != READ || !iter_is_iovec(iter)) return 0; /* * Check to make sure we don't have duplicate iov_base's in this @@ -9055,7 +9070,7 @@ again: 0, 0, &cached_state, GFP_NOFS); ret = btrfs_set_extent_delalloc(inode, page_start, end, - &cached_state); + &cached_state, 0); if (ret) { unlock_extent_cached(io_tree, page_start, page_end, &cached_state, GFP_NOFS); @@ -9377,8 +9392,9 @@ void btrfs_destroy_inode(struct inode *inode) if (!ordered) break; else { - btrfs_err(root->fs_info, "found ordered extent %llu %llu on inode cleanup", - ordered->file_offset, ordered->len); + btrfs_err(root->fs_info, + "found ordered extent %llu %llu on inode cleanup", + ordered->file_offset, ordered->len); btrfs_remove_ordered_extent(inode, ordered); btrfs_put_ordered_extent(ordered); btrfs_put_ordered_extent(ordered); @@ -9493,7 +9509,7 @@ static int btrfs_rename_exchange(struct inode *old_dir, struct btrfs_root *dest = BTRFS_I(new_dir)->root; struct inode *new_inode = new_dentry->d_inode; struct inode *old_inode = old_dentry->d_inode; - struct timespec ctime = CURRENT_TIME; + struct timespec ctime = current_time(old_inode); struct dentry *parent; u64 old_ino = btrfs_ino(old_inode); u64 new_ino = btrfs_ino(new_inode); @@ -9861,7 +9877,7 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, inode_inc_iversion(old_inode); old_dir->i_ctime = old_dir->i_mtime = new_dir->i_ctime = new_dir->i_mtime = - old_inode->i_ctime = current_fs_time(old_dir->i_sb); + old_inode->i_ctime = current_time(old_dir); if (old_dentry->d_parent != new_dentry->d_parent) btrfs_record_unlink_dir(trans, old_dir, old_inode, 1); @@ -9886,7 +9902,7 @@ static int btrfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (new_inode) { inode_inc_iversion(new_inode); - new_inode->i_ctime = current_fs_time(new_inode->i_sb); + new_inode->i_ctime = current_time(new_inode); if (unlikely(btrfs_ino(new_inode) == BTRFS_EMPTY_SUBVOL_DIR_OBJECTID)) { root_objectid = BTRFS_I(new_inode)->location.objectid; @@ -10404,7 +10420,7 @@ next: *alloc_hint = ins.objectid + ins.offset; inode_inc_iversion(inode); - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); BTRFS_I(inode)->flags |= BTRFS_INODE_PREALLOC; if (!(mode & FALLOC_FL_KEEP_SIZE) && (actual_len > inode->i_size) && @@ -10544,21 +10560,6 @@ out_inode: } -/* Inspired by filemap_check_errors() */ -int btrfs_inode_check_errors(struct inode *inode) -{ - int ret = 0; - - if (test_bit(AS_ENOSPC, &inode->i_mapping->flags) && - test_and_clear_bit(AS_ENOSPC, &inode->i_mapping->flags)) - ret = -ENOSPC; - if (test_bit(AS_EIO, &inode->i_mapping->flags) && - test_and_clear_bit(AS_EIO, &inode->i_mapping->flags)) - ret = -EIO; - - return ret; -} - static const struct inode_operations btrfs_dir_inode_operations = { .getattr = btrfs_getattr, .lookup = btrfs_lookup, @@ -10567,14 +10568,11 @@ static const struct inode_operations btrfs_dir_inode_operations = { .link = btrfs_link, .mkdir = btrfs_mkdir, .rmdir = btrfs_rmdir, - .rename2 = btrfs_rename2, + .rename = btrfs_rename2, .symlink = btrfs_symlink, .setattr = btrfs_setattr, .mknod = btrfs_mknod, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = btrfs_listxattr, - .removexattr = generic_removexattr, .permission = btrfs_permission, .get_acl = btrfs_get_acl, .set_acl = btrfs_set_acl, @@ -10648,10 +10646,7 @@ static const struct address_space_operations btrfs_symlink_aops = { static const struct inode_operations btrfs_file_inode_operations = { .getattr = btrfs_getattr, .setattr = btrfs_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = btrfs_listxattr, - .removexattr = generic_removexattr, .permission = btrfs_permission, .fiemap = btrfs_fiemap, .get_acl = btrfs_get_acl, @@ -10662,10 +10657,7 @@ static const struct inode_operations btrfs_special_inode_operations = { .getattr = btrfs_getattr, .setattr = btrfs_setattr, .permission = btrfs_permission, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = btrfs_listxattr, - .removexattr = generic_removexattr, .get_acl = btrfs_get_acl, .set_acl = btrfs_set_acl, .update_time = btrfs_update_time, @@ -10676,10 +10668,7 @@ static const struct inode_operations btrfs_symlink_inode_operations = { .getattr = btrfs_getattr, .setattr = btrfs_setattr, .permission = btrfs_permission, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = btrfs_listxattr, - .removexattr = generic_removexattr, .update_time = btrfs_update_time, }; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 7fd939bfbd99..18e1aa0f85f5 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -349,7 +349,7 @@ static int btrfs_ioctl_setflags(struct file *file, void __user *arg) btrfs_update_iflags(inode); inode_inc_iversion(inode); - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); ret = btrfs_update_inode(trans, root, inode); btrfs_end_transaction(trans, root); @@ -445,7 +445,7 @@ static noinline int create_subvol(struct inode *dir, struct btrfs_root *root = BTRFS_I(dir)->root; struct btrfs_root *new_root; struct btrfs_block_rsv block_rsv; - struct timespec cur_time = current_fs_time(dir->i_sb); + struct timespec cur_time = current_time(dir); struct inode *inode; int ret; int err; @@ -1903,8 +1903,9 @@ static noinline int may_destroy_subvol(struct btrfs_root *root) btrfs_dir_item_key_to_cpu(path->nodes[0], di, &key); if (key.objectid == root->root_key.objectid) { ret = -EPERM; - btrfs_err(root->fs_info, "deleting default subvolume " - "%llu is not allowed", key.objectid); + btrfs_err(root->fs_info, + "deleting default subvolume %llu is not allowed", + key.objectid); goto out; } btrfs_release_path(path); @@ -3291,7 +3292,7 @@ static int clone_finish_inode_update(struct btrfs_trans_handle *trans, inode_inc_iversion(inode); if (!no_time_update) - inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_mtime = inode->i_ctime = current_time(inode); /* * We round up to the block size at eof when determining which * extents to clone above, but shouldn't round up the file size. @@ -4097,8 +4098,8 @@ static long btrfs_ioctl_default_subvol(struct file *file, void __user *argp) if (IS_ERR_OR_NULL(di)) { btrfs_free_path(path); btrfs_end_transaction(trans, root); - btrfs_err(new_root->fs_info, "Umm, you don't have the default dir" - "item, this isn't going to work"); + btrfs_err(new_root->fs_info, + "Umm, you don't have the default diritem, this isn't going to work"); ret = -ENOENT; goto out; } @@ -5106,7 +5107,7 @@ static long _btrfs_ioctl_set_received_subvol(struct file *file, struct btrfs_root *root = BTRFS_I(inode)->root; struct btrfs_root_item *root_item = &root->root_item; struct btrfs_trans_handle *trans; - struct timespec ct = current_fs_time(inode->i_sb); + struct timespec ct = current_time(inode); int ret = 0; int received_uuid_changed; @@ -5307,8 +5308,9 @@ static int btrfs_ioctl_set_fslabel(struct file *file, void __user *arg) return -EFAULT; if (strnlen(label, BTRFS_LABEL_SIZE) == BTRFS_LABEL_SIZE) { - btrfs_err(root->fs_info, "unable to set label with more than %d bytes", - BTRFS_LABEL_SIZE - 1); + btrfs_err(root->fs_info, + "unable to set label with more than %d bytes", + BTRFS_LABEL_SIZE - 1); return -EINVAL; } diff --git a/fs/btrfs/lzo.c b/fs/btrfs/lzo.c index 1adfbe7be6b8..48655da0f4ca 100644 --- a/fs/btrfs/lzo.c +++ b/fs/btrfs/lzo.c @@ -141,7 +141,7 @@ static int lzo_compress_pages(struct list_head *ws, ret = lzo1x_1_compress(data_in, in_len, workspace->cbuf, &out_len, workspace->mem); if (ret != LZO_E_OK) { - printk(KERN_DEBUG "BTRFS: deflate in loop returned %d\n", + pr_debug("BTRFS: deflate in loop returned %d\n", ret); ret = -EIO; goto out; @@ -356,7 +356,7 @@ cont: if (need_unmap) kunmap(pages_in[page_in_index - 1]); if (ret != LZO_E_OK) { - printk(KERN_WARNING "BTRFS: decompress failed\n"); + pr_warn("BTRFS: decompress failed\n"); ret = -EIO; break; } @@ -402,7 +402,7 @@ static int lzo_decompress(struct list_head *ws, unsigned char *data_in, out_len = PAGE_SIZE; ret = lzo1x_decompress_safe(data_in, in_len, workspace->buf, &out_len); if (ret != LZO_E_OK) { - printk(KERN_WARNING "BTRFS: decompress failed!\n"); + pr_warn("BTRFS: decompress failed!\n"); ret = -EIO; goto out; } diff --git a/fs/btrfs/ordered-data.c b/fs/btrfs/ordered-data.c index 3b78d38173b3..b2d1e95de7be 100644 --- a/fs/btrfs/ordered-data.c +++ b/fs/btrfs/ordered-data.c @@ -67,8 +67,8 @@ static void ordered_data_tree_panic(struct inode *inode, int errno, u64 offset) { struct btrfs_fs_info *fs_info = btrfs_sb(inode->i_sb); - btrfs_panic(fs_info, errno, "Inconsistency in ordered tree at offset " - "%llu", offset); + btrfs_panic(fs_info, errno, + "Inconsistency in ordered tree at offset %llu", offset); } /* diff --git a/fs/btrfs/print-tree.c b/fs/btrfs/print-tree.c index 147dc6ca5de1..438575ea8d25 100644 --- a/fs/btrfs/print-tree.c +++ b/fs/btrfs/print-tree.c @@ -24,12 +24,11 @@ static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) { int num_stripes = btrfs_chunk_num_stripes(eb, chunk); int i; - printk(KERN_INFO "\t\tchunk length %llu owner %llu type %llu " - "num_stripes %d\n", + pr_info("\t\tchunk length %llu owner %llu type %llu num_stripes %d\n", btrfs_chunk_length(eb, chunk), btrfs_chunk_owner(eb, chunk), btrfs_chunk_type(eb, chunk), num_stripes); for (i = 0 ; i < num_stripes ; i++) { - printk(KERN_INFO "\t\t\tstripe %d devid %llu offset %llu\n", i, + pr_info("\t\t\tstripe %d devid %llu offset %llu\n", i, btrfs_stripe_devid_nr(eb, chunk, i), btrfs_stripe_offset_nr(eb, chunk, i)); } @@ -37,8 +36,7 @@ static void print_chunk(struct extent_buffer *eb, struct btrfs_chunk *chunk) static void print_dev_item(struct extent_buffer *eb, struct btrfs_dev_item *dev_item) { - printk(KERN_INFO "\t\tdev item devid %llu " - "total_bytes %llu bytes used %llu\n", + pr_info("\t\tdev item devid %llu total_bytes %llu bytes used %llu\n", btrfs_device_id(eb, dev_item), btrfs_device_total_bytes(eb, dev_item), btrfs_device_bytes_used(eb, dev_item)); @@ -46,8 +44,7 @@ static void print_dev_item(struct extent_buffer *eb, static void print_extent_data_ref(struct extent_buffer *eb, struct btrfs_extent_data_ref *ref) { - printk(KERN_INFO "\t\textent data backref root %llu " - "objectid %llu offset %llu count %u\n", + pr_info("\t\textent data backref root %llu objectid %llu offset %llu count %u\n", btrfs_extent_data_ref_root(eb, ref), btrfs_extent_data_ref_objectid(eb, ref), btrfs_extent_data_ref_offset(eb, ref), @@ -72,7 +69,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) struct btrfs_extent_item_v0 *ei0; BUG_ON(item_size != sizeof(*ei0)); ei0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_item_v0); - printk(KERN_INFO "\t\textent refs %u\n", + pr_info("\t\textent refs %u\n", btrfs_extent_refs_v0(eb, ei0)); return; #else @@ -83,7 +80,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) ei = btrfs_item_ptr(eb, slot, struct btrfs_extent_item); flags = btrfs_extent_flags(eb, ei); - printk(KERN_INFO "\t\textent refs %llu gen %llu flags %llu\n", + pr_info("\t\textent refs %llu gen %llu flags %llu\n", btrfs_extent_refs(eb, ei), btrfs_extent_generation(eb, ei), flags); @@ -92,8 +89,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) struct btrfs_tree_block_info *info; info = (struct btrfs_tree_block_info *)(ei + 1); btrfs_tree_block_key(eb, info, &key); - printk(KERN_INFO "\t\ttree block key (%llu %u %llu) " - "level %d\n", + pr_info("\t\ttree block key (%llu %u %llu) level %d\n", btrfs_disk_key_objectid(&key), key.type, btrfs_disk_key_offset(&key), btrfs_tree_block_level(eb, info)); @@ -110,12 +106,10 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) offset = btrfs_extent_inline_ref_offset(eb, iref); switch (type) { case BTRFS_TREE_BLOCK_REF_KEY: - printk(KERN_INFO "\t\ttree block backref " - "root %llu\n", offset); + pr_info("\t\ttree block backref root %llu\n", offset); break; case BTRFS_SHARED_BLOCK_REF_KEY: - printk(KERN_INFO "\t\tshared block backref " - "parent %llu\n", offset); + pr_info("\t\tshared block backref parent %llu\n", offset); break; case BTRFS_EXTENT_DATA_REF_KEY: dref = (struct btrfs_extent_data_ref *)(&iref->offset); @@ -123,8 +117,7 @@ static void print_extent_item(struct extent_buffer *eb, int slot, int type) break; case BTRFS_SHARED_DATA_REF_KEY: sref = (struct btrfs_shared_data_ref *)(iref + 1); - printk(KERN_INFO "\t\tshared data backref " - "parent %llu count %u\n", + pr_info("\t\tshared data backref parent %llu count %u\n", offset, btrfs_shared_data_ref_count(eb, sref)); break; default: @@ -141,8 +134,7 @@ static void print_extent_ref_v0(struct extent_buffer *eb, int slot) struct btrfs_extent_ref_v0 *ref0; ref0 = btrfs_item_ptr(eb, slot, struct btrfs_extent_ref_v0); - printk("\t\textent back ref root %llu gen %llu " - "owner %llu num_refs %lu\n", + printk("\t\textent back ref root %llu gen %llu owner %llu num_refs %lu\n", btrfs_ref_root_v0(eb, ref0), btrfs_ref_generation_v0(eb, ref0), btrfs_ref_objectid_v0(eb, ref0), @@ -162,7 +154,7 @@ static void print_uuid_item(struct extent_buffer *l, unsigned long offset, __le64 subvol_id; read_extent_buffer(l, &subvol_id, offset, sizeof(subvol_id)); - printk(KERN_INFO "\t\tsubvol_id %llu\n", + pr_info("\t\tsubvol_id %llu\n", (unsigned long long)le64_to_cpu(subvol_id)); item_size -= sizeof(u64); offset += sizeof(u64); @@ -196,15 +188,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) item = btrfs_item_nr(i); btrfs_item_key_to_cpu(l, &key, i); type = key.type; - printk(KERN_INFO "\titem %d key (%llu %u %llu) itemoff %d " - "itemsize %d\n", + pr_info("\titem %d key (%llu %u %llu) itemoff %d itemsize %d\n", i, key.objectid, type, key.offset, btrfs_item_offset(l, item), btrfs_item_size(l, item)); switch (type) { case BTRFS_INODE_ITEM_KEY: ii = btrfs_item_ptr(l, i, struct btrfs_inode_item); - printk(KERN_INFO "\t\tinode generation %llu size %llu " - "mode %o\n", + pr_info("\t\tinode generation %llu size %llu mode %o\n", btrfs_inode_generation(l, ii), btrfs_inode_size(l, ii), btrfs_inode_mode(l, ii)); @@ -212,13 +202,13 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_DIR_ITEM_KEY: di = btrfs_item_ptr(l, i, struct btrfs_dir_item); btrfs_dir_item_key_to_cpu(l, di, &found_key); - printk(KERN_INFO "\t\tdir oid %llu type %u\n", + pr_info("\t\tdir oid %llu type %u\n", found_key.objectid, btrfs_dir_type(l, di)); break; case BTRFS_ROOT_ITEM_KEY: ri = btrfs_item_ptr(l, i, struct btrfs_root_item); - printk(KERN_INFO "\t\troot data bytenr %llu refs %u\n", + pr_info("\t\troot data bytenr %llu refs %u\n", btrfs_disk_root_bytenr(l, ri), btrfs_disk_root_refs(l, ri)); break; @@ -227,10 +217,10 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) print_extent_item(l, i, type); break; case BTRFS_TREE_BLOCK_REF_KEY: - printk(KERN_INFO "\t\ttree block backref\n"); + pr_info("\t\ttree block backref\n"); break; case BTRFS_SHARED_BLOCK_REF_KEY: - printk(KERN_INFO "\t\tshared block backref\n"); + pr_info("\t\tshared block backref\n"); break; case BTRFS_EXTENT_DATA_REF_KEY: dref = btrfs_item_ptr(l, i, @@ -240,7 +230,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_SHARED_DATA_REF_KEY: sref = btrfs_item_ptr(l, i, struct btrfs_shared_data_ref); - printk(KERN_INFO "\t\tshared data backref count %u\n", + pr_info("\t\tshared data backref count %u\n", btrfs_shared_data_ref_count(l, sref)); break; case BTRFS_EXTENT_DATA_KEY: @@ -248,17 +238,14 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) struct btrfs_file_extent_item); if (btrfs_file_extent_type(l, fi) == BTRFS_FILE_EXTENT_INLINE) { - printk(KERN_INFO "\t\tinline extent data " - "size %u\n", + pr_info("\t\tinline extent data size %u\n", btrfs_file_extent_inline_len(l, i, fi)); break; } - printk(KERN_INFO "\t\textent data disk bytenr %llu " - "nr %llu\n", + pr_info("\t\textent data disk bytenr %llu nr %llu\n", btrfs_file_extent_disk_bytenr(l, fi), btrfs_file_extent_disk_num_bytes(l, fi)); - printk(KERN_INFO "\t\textent data offset %llu " - "nr %llu ram %llu\n", + pr_info("\t\textent data offset %llu nr %llu ram %llu\n", btrfs_file_extent_offset(l, fi), btrfs_file_extent_num_bytes(l, fi), btrfs_file_extent_ram_bytes(l, fi)); @@ -273,7 +260,7 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_BLOCK_GROUP_ITEM_KEY: bi = btrfs_item_ptr(l, i, struct btrfs_block_group_item); - printk(KERN_INFO "\t\tblock group used %llu\n", + pr_info("\t\tblock group used %llu\n", btrfs_disk_block_group_used(l, bi)); break; case BTRFS_CHUNK_ITEM_KEY: @@ -287,38 +274,36 @@ void btrfs_print_leaf(struct btrfs_root *root, struct extent_buffer *l) case BTRFS_DEV_EXTENT_KEY: dev_extent = btrfs_item_ptr(l, i, struct btrfs_dev_extent); - printk(KERN_INFO "\t\tdev extent chunk_tree %llu\n" - "\t\tchunk objectid %llu chunk offset %llu " - "length %llu\n", + pr_info("\t\tdev extent chunk_tree %llu\n\t\tchunk objectid %llu chunk offset %llu length %llu\n", btrfs_dev_extent_chunk_tree(l, dev_extent), btrfs_dev_extent_chunk_objectid(l, dev_extent), btrfs_dev_extent_chunk_offset(l, dev_extent), btrfs_dev_extent_length(l, dev_extent)); break; case BTRFS_PERSISTENT_ITEM_KEY: - printk(KERN_INFO "\t\tpersistent item objectid %llu offset %llu\n", + pr_info("\t\tpersistent item objectid %llu offset %llu\n", key.objectid, key.offset); switch (key.objectid) { case BTRFS_DEV_STATS_OBJECTID: - printk(KERN_INFO "\t\tdevice stats\n"); + pr_info("\t\tdevice stats\n"); break; default: - printk(KERN_INFO "\t\tunknown persistent item\n"); + pr_info("\t\tunknown persistent item\n"); } break; case BTRFS_TEMPORARY_ITEM_KEY: - printk(KERN_INFO "\t\ttemporary item objectid %llu offset %llu\n", + pr_info("\t\ttemporary item objectid %llu offset %llu\n", key.objectid, key.offset); switch (key.objectid) { case BTRFS_BALANCE_OBJECTID: - printk(KERN_INFO "\t\tbalance status\n"); + pr_info("\t\tbalance status\n"); break; default: - printk(KERN_INFO "\t\tunknown temporary item\n"); + pr_info("\t\tunknown temporary item\n"); } break; case BTRFS_DEV_REPLACE_KEY: - printk(KERN_INFO "\t\tdev replace\n"); + pr_info("\t\tdev replace\n"); break; case BTRFS_UUID_KEY_SUBVOL: case BTRFS_UUID_KEY_RECEIVED_SUBVOL: @@ -343,12 +328,13 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) btrfs_print_leaf(root, c); return; } - btrfs_info(root->fs_info, "node %llu level %d total ptrs %d free spc %u", - btrfs_header_bytenr(c), level, nr, - (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr); + btrfs_info(root->fs_info, + "node %llu level %d total ptrs %d free spc %u", + btrfs_header_bytenr(c), level, nr, + (u32)BTRFS_NODEPTRS_PER_BLOCK(root) - nr); for (i = 0; i < nr; i++) { btrfs_node_key_to_cpu(c, &key, i); - printk(KERN_INFO "\tkey %d (%llu %u %llu) block %llu\n", + pr_info("\tkey %d (%llu %u %llu) block %llu\n", i, key.objectid, key.type, key.offset, btrfs_node_blockptr(c, i)); } @@ -356,6 +342,13 @@ void btrfs_print_tree(struct btrfs_root *root, struct extent_buffer *c) struct extent_buffer *next = read_tree_block(root, btrfs_node_blockptr(c, i), btrfs_node_ptr_generation(c, i)); + if (IS_ERR(next)) { + continue; + } else if (!extent_buffer_uptodate(next)) { + free_extent_buffer(next); + continue; + } + if (btrfs_is_leaf(next) && level != 1) BUG(); diff --git a/fs/btrfs/qgroup.c b/fs/btrfs/qgroup.c index 8db2e29fdcf4..11f4fffe503e 100644 --- a/fs/btrfs/qgroup.c +++ b/fs/btrfs/qgroup.c @@ -309,7 +309,7 @@ int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info) u64 flags = 0; u64 rescan_progress = 0; - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) return 0; fs_info->qgroup_ulist = ulist_alloc(GFP_NOFS); @@ -360,8 +360,7 @@ int btrfs_read_qgroup_config(struct btrfs_fs_info *fs_info) fs_info->generation) { flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; btrfs_err(fs_info, - "qgroup generation mismatch, " - "marked as inconsistent"); + "qgroup generation mismatch, marked as inconsistent"); } fs_info->qgroup_flags = btrfs_qgroup_status_flags(l, ptr); @@ -463,13 +462,11 @@ next2: } out: fs_info->qgroup_flags |= flags; - if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_ON)) { - fs_info->quota_enabled = 0; - fs_info->pending_quota_state = 0; - } else if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN && - ret >= 0) { + if (!(fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_ON)) + clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); + else if (fs_info->qgroup_flags & BTRFS_QGROUP_STATUS_FLAG_RESCAN && + ret >= 0) ret = qgroup_rescan_init(fs_info, rescan_progress, 0); - } btrfs_free_path(path); if (ret < 0) { @@ -847,7 +844,7 @@ static int btrfs_clean_quota_tree(struct btrfs_trans_handle *trans, } ret = 0; out: - root->fs_info->pending_quota_state = 0; + set_bit(BTRFS_FS_QUOTA_DISABLING, &root->fs_info->flags); btrfs_free_path(path); return ret; } @@ -868,7 +865,7 @@ int btrfs_quota_enable(struct btrfs_trans_handle *trans, mutex_lock(&fs_info->qgroup_ioctl_lock); if (fs_info->quota_root) { - fs_info->pending_quota_state = 1; + set_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags); goto out; } @@ -964,7 +961,7 @@ out_add_root: } spin_lock(&fs_info->qgroup_lock); fs_info->quota_root = quota_root; - fs_info->pending_quota_state = 1; + set_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags); spin_unlock(&fs_info->qgroup_lock); out_free_path: btrfs_free_path(path); @@ -993,8 +990,8 @@ int btrfs_quota_disable(struct btrfs_trans_handle *trans, mutex_lock(&fs_info->qgroup_ioctl_lock); if (!fs_info->quota_root) goto out; - fs_info->quota_enabled = 0; - fs_info->pending_quota_state = 0; + clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); + set_bit(BTRFS_FS_QUOTA_DISABLING, &fs_info->flags); btrfs_qgroup_wait_for_completion(fs_info, false); spin_lock(&fs_info->qgroup_lock); quota_root = fs_info->quota_root; @@ -1490,7 +1487,8 @@ int btrfs_qgroup_insert_dirty_extent(struct btrfs_trans_handle *trans, struct btrfs_delayed_ref_root *delayed_refs; int ret; - if (!fs_info->quota_enabled || bytenr == 0 || num_bytes == 0) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) + || bytenr == 0 || num_bytes == 0) return 0; if (WARN_ON(trans == NULL)) return -EINVAL; @@ -1713,7 +1711,7 @@ btrfs_qgroup_account_extent(struct btrfs_trans_handle *trans, if (old_roots) nr_old_roots = old_roots->nnodes; - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) goto out_free; BUG_ON(!fs_info->quota_root); @@ -1833,10 +1831,14 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, if (!quota_root) goto out; - if (!fs_info->quota_enabled && fs_info->pending_quota_state) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags) && + test_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags)) start_rescan_worker = 1; - fs_info->quota_enabled = fs_info->pending_quota_state; + if (test_and_clear_bit(BTRFS_FS_QUOTA_ENABLING, &fs_info->flags)) + set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); + if (test_and_clear_bit(BTRFS_FS_QUOTA_DISABLING, &fs_info->flags)) + clear_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); spin_lock(&fs_info->qgroup_lock); while (!list_empty(&fs_info->dirty_qgroups)) { @@ -1855,7 +1857,7 @@ int btrfs_run_qgroups(struct btrfs_trans_handle *trans, BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; spin_lock(&fs_info->qgroup_lock); } - if (fs_info->quota_enabled) + if (test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_ON; else fs_info->qgroup_flags &= ~BTRFS_QGROUP_STATUS_FLAG_ON; @@ -1900,7 +1902,7 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, u64 nums; mutex_lock(&fs_info->qgroup_ioctl_lock); - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) goto out; if (!quota_root) { @@ -1991,8 +1993,9 @@ int btrfs_qgroup_inherit(struct btrfs_trans_handle *trans, ret = update_qgroup_limit_item(trans, quota_root, dstgroup); if (ret) { fs_info->qgroup_flags |= BTRFS_QGROUP_STATUS_FLAG_INCONSISTENT; - btrfs_info(fs_info, "unable to update quota limit for %llu", - dstgroup->qgroupid); + btrfs_info(fs_info, + "unable to update quota limit for %llu", + dstgroup->qgroupid); goto unlock; } } @@ -2226,8 +2229,7 @@ void assert_qgroups_uptodate(struct btrfs_trans_handle *trans) if (list_empty(&trans->qgroup_ref_list) && !trans->delayed_ref_elem.seq) return; btrfs_err(trans->fs_info, - "qgroups not uptodate in trans handle %p: list is%s empty, " - "seq is %#x.%x", + "qgroups not uptodate in trans handle %p: list is%s empty, seq is %#x.%x", trans, list_empty(&trans->qgroup_ref_list) ? "" : " not", (u32)(trans->delayed_ref_elem.seq >> 32), (u32)trans->delayed_ref_elem.seq); @@ -2255,10 +2257,11 @@ qgroup_rescan_leaf(struct btrfs_fs_info *fs_info, struct btrfs_path *path, &fs_info->qgroup_rescan_progress, path, 1, 0); - pr_debug("current progress key (%llu %u %llu), search_slot ret %d\n", - fs_info->qgroup_rescan_progress.objectid, - fs_info->qgroup_rescan_progress.type, - fs_info->qgroup_rescan_progress.offset, ret); + btrfs_debug(fs_info, + "current progress key (%llu %u %llu), search_slot ret %d", + fs_info->qgroup_rescan_progress.objectid, + fs_info->qgroup_rescan_progress.type, + fs_info->qgroup_rescan_progress.offset, ret); if (ret) { /* @@ -2347,7 +2350,7 @@ static void btrfs_qgroup_rescan_worker(struct btrfs_work *work) err = PTR_ERR(trans); break; } - if (!fs_info->quota_enabled) { + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) { err = -EINTR; } else { err = qgroup_rescan_leaf(fs_info, path, trans); @@ -2388,7 +2391,7 @@ out: ret = update_qgroup_status_item(trans, fs_info, fs_info->quota_root); if (ret < 0) { err = ret; - btrfs_err(fs_info, "fail to update qgroup status: %d\n", err); + btrfs_err(fs_info, "fail to update qgroup status: %d", err); } btrfs_end_transaction(trans, fs_info->quota_root); @@ -2578,8 +2581,8 @@ int btrfs_qgroup_reserve_data(struct inode *inode, u64 start, u64 len) struct ulist_iterator uiter; int ret; - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid) || - len == 0) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid) || len == 0) return 0; changeset.bytes_changed = 0; @@ -2676,8 +2679,8 @@ int btrfs_qgroup_reserve_meta(struct btrfs_root *root, int num_bytes) { int ret; - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid) || - num_bytes == 0) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid) || num_bytes == 0) return 0; BUG_ON(num_bytes != round_down(num_bytes, root->nodesize)); @@ -2692,7 +2695,8 @@ void btrfs_qgroup_free_meta_all(struct btrfs_root *root) { int reserved; - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid)) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid)) return; reserved = atomic_xchg(&root->qgroup_meta_rsv, 0); @@ -2703,7 +2707,8 @@ void btrfs_qgroup_free_meta_all(struct btrfs_root *root) void btrfs_qgroup_free_meta(struct btrfs_root *root, int num_bytes) { - if (!root->fs_info->quota_enabled || !is_fstree(root->objectid)) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &root->fs_info->flags) || + !is_fstree(root->objectid)) return; BUG_ON(num_bytes != round_down(num_bytes, root->nodesize)); diff --git a/fs/btrfs/raid56.c b/fs/btrfs/raid56.c index cd8d302a1f61..d016d4a79864 100644 --- a/fs/btrfs/raid56.c +++ b/fs/btrfs/raid56.c @@ -2143,7 +2143,10 @@ int raid56_parity_recover(struct btrfs_root *root, struct bio *bio, rbio->faila = find_logical_bio_stripe(rbio, bio); if (rbio->faila == -1) { - BUG(); + btrfs_warn(root->fs_info, + "%s could not find the bad stripe in raid56 so that we cannot recover any more (bio has logical %llu len %llu, bbio has map_type %llu)", + __func__, (u64)bio->bi_iter.bi_sector << 9, + (u64)bio->bi_iter.bi_size, bbio->map_type); if (generic_io) btrfs_put_bbio(bbio); kfree(rbio); diff --git a/fs/btrfs/reada.c b/fs/btrfs/reada.c index 8428db7cd88f..75bab76739be 100644 --- a/fs/btrfs/reada.c +++ b/fs/btrfs/reada.c @@ -820,7 +820,7 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) spin_lock(&fs_info->reada_lock); list_for_each_entry(device, &fs_devices->devices, dev_list) { - printk(KERN_DEBUG "dev %lld has %d in flight\n", device->devid, + btrfs_debug(fs_info, "dev %lld has %d in flight", device->devid, atomic_read(&device->reada_in_flight)); index = 0; while (1) { @@ -829,17 +829,17 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) (void **)&zone, index, 1); if (ret == 0) break; - printk(KERN_DEBUG " zone %llu-%llu elems %llu locked " - "%d devs", zone->start, zone->end, zone->elems, - zone->locked); + pr_debug(" zone %llu-%llu elems %llu locked %d devs", + zone->start, zone->end, zone->elems, + zone->locked); for (j = 0; j < zone->ndevs; ++j) { - printk(KERN_CONT " %lld", + pr_cont(" %lld", zone->devs[j]->devid); } if (device->reada_curr_zone == zone) - printk(KERN_CONT " curr off %llu", + pr_cont(" curr off %llu", device->reada_next - zone->start); - printk(KERN_CONT "\n"); + pr_cont("\n"); index = (zone->end >> PAGE_SHIFT) + 1; } cnt = 0; @@ -851,21 +851,20 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) (void **)&re, index, 1); if (ret == 0) break; - printk(KERN_DEBUG - " re: logical %llu size %u empty %d scheduled %d", + pr_debug(" re: logical %llu size %u empty %d scheduled %d", re->logical, fs_info->tree_root->nodesize, list_empty(&re->extctl), re->scheduled); for (i = 0; i < re->nzones; ++i) { - printk(KERN_CONT " zone %llu-%llu devs", + pr_cont(" zone %llu-%llu devs", re->zones[i]->start, re->zones[i]->end); for (j = 0; j < re->zones[i]->ndevs; ++j) { - printk(KERN_CONT " %lld", + pr_cont(" %lld", re->zones[i]->devs[j]->devid); } } - printk(KERN_CONT "\n"); + pr_cont("\n"); index = (re->logical >> PAGE_SHIFT) + 1; if (++cnt > 15) break; @@ -885,20 +884,19 @@ static void dump_devs(struct btrfs_fs_info *fs_info, int all) index = (re->logical >> PAGE_SHIFT) + 1; continue; } - printk(KERN_DEBUG - "re: logical %llu size %u list empty %d scheduled %d", + pr_debug("re: logical %llu size %u list empty %d scheduled %d", re->logical, fs_info->tree_root->nodesize, list_empty(&re->extctl), re->scheduled); for (i = 0; i < re->nzones; ++i) { - printk(KERN_CONT " zone %llu-%llu devs", + pr_cont(" zone %llu-%llu devs", re->zones[i]->start, re->zones[i]->end); for (j = 0; j < re->zones[i]->ndevs; ++j) { - printk(KERN_CONT " %lld", + pr_cont(" %lld", re->zones[i]->devs[j]->devid); } } - printk(KERN_CONT "\n"); + pr_cont("\n"); index = (re->logical >> PAGE_SHIFT) + 1; } spin_unlock(&fs_info->reada_lock); diff --git a/fs/btrfs/relocation.c b/fs/btrfs/relocation.c index c0c13dc6fe12..0ec8ffa37ab0 100644 --- a/fs/btrfs/relocation.c +++ b/fs/btrfs/relocation.c @@ -337,8 +337,9 @@ static void backref_tree_panic(struct rb_node *rb_node, int errno, u64 bytenr) rb_node); if (bnode->root) fs_info = bnode->root->fs_info; - btrfs_panic(fs_info, errno, "Inconsistency in backref cache " - "found at offset %llu", bytenr); + btrfs_panic(fs_info, errno, + "Inconsistency in backref cache found at offset %llu", + bytenr); } /* @@ -923,9 +924,16 @@ again: path2->slots[level]--; eb = path2->nodes[level]; - WARN_ON(btrfs_node_blockptr(eb, path2->slots[level]) != - cur->bytenr); - + if (btrfs_node_blockptr(eb, path2->slots[level]) != + cur->bytenr) { + btrfs_err(root->fs_info, + "couldn't find block (%llu) (level %d) in tree (%llu) with key (%llu %u %llu)", + cur->bytenr, level - 1, root->objectid, + node_key->objectid, node_key->type, + node_key->offset); + err = -ENOENT; + goto out; + } lower = cur; need_check = true; for (; level < BTRFS_MAX_LEVEL; level++) { @@ -1296,9 +1304,9 @@ static int __must_check __add_reloc_root(struct btrfs_root *root) node->bytenr, &node->rb_node); spin_unlock(&rc->reloc_root_tree.lock); if (rb_node) { - btrfs_panic(root->fs_info, -EEXIST, "Duplicate root found " - "for start=%llu while inserting into relocation " - "tree", node->bytenr); + btrfs_panic(root->fs_info, -EEXIST, + "Duplicate root found for start=%llu while inserting into relocation tree", + node->bytenr); kfree(node); return -EEXIST; } @@ -2350,6 +2358,10 @@ void free_reloc_roots(struct list_head *list) while (!list_empty(list)) { reloc_root = list_entry(list->next, struct btrfs_root, root_list); + free_extent_buffer(reloc_root->node); + free_extent_buffer(reloc_root->commit_root); + reloc_root->node = NULL; + reloc_root->commit_root = NULL; __del_reloc_root(reloc_root); } } @@ -2686,11 +2698,15 @@ static int do_relocation(struct btrfs_trans_handle *trans, if (!upper->eb) { ret = btrfs_search_slot(trans, root, key, path, 0, 1); - if (ret < 0) { - err = ret; + if (ret) { + if (ret < 0) + err = ret; + else + err = -ENOENT; + + btrfs_release_path(path); break; } - BUG_ON(ret > 0); if (!upper->eb) { upper->eb = path->nodes[upper->level]; @@ -3203,7 +3219,7 @@ static int relocate_file_extent_cluster(struct inode *inode, nr++; } - btrfs_set_extent_delalloc(inode, page_start, page_end, NULL); + btrfs_set_extent_delalloc(inode, page_start, page_end, NULL, 0); set_page_dirty(page); unlock_extent(&BTRFS_I(inode)->io_tree, @@ -3952,7 +3968,7 @@ static int qgroup_fix_relocated_data_extents(struct btrfs_trans_handle *trans, struct btrfs_key key; int ret = 0; - if (!fs_info->quota_enabled) + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) return 0; /* @@ -4365,8 +4381,9 @@ int btrfs_relocate_block_group(struct btrfs_root *extent_root, u64 group_start) goto out; } - btrfs_info(extent_root->fs_info, "relocating block group %llu flags %llu", - rc->block_group->key.objectid, rc->block_group->flags); + btrfs_info(extent_root->fs_info, + "relocating block group %llu flags %llu", + rc->block_group->key.objectid, rc->block_group->flags); btrfs_wait_block_group_reservations(rc->block_group); btrfs_wait_nocow_writers(rc->block_group); diff --git a/fs/btrfs/root-tree.c b/fs/btrfs/root-tree.c index 091296062456..edae751e870c 100644 --- a/fs/btrfs/root-tree.c +++ b/fs/btrfs/root-tree.c @@ -46,12 +46,7 @@ static void btrfs_read_root_item(struct extent_buffer *eb, int slot, != btrfs_root_generation_v2(item)) { if (btrfs_root_generation_v2(item) != 0) { btrfs_warn(eb->fs_info, - "mismatching " - "generation and generation_v2 " - "found in root item. This root " - "was probably mounted with an " - "older kernel. Resetting all " - "new fields."); + "mismatching generation and generation_v2 found in root item. This root was probably mounted with an older kernel. Resetting all new fields."); } need_reset = 1; } @@ -156,8 +151,9 @@ int btrfs_update_root(struct btrfs_trans_handle *trans, struct btrfs_root if (ret != 0) { btrfs_print_leaf(root, path->nodes[0]); - btrfs_crit(root->fs_info, "unable to update root key %llu %u %llu", - key->objectid, key->type, key->offset); + btrfs_crit(root->fs_info, + "unable to update root key %llu %u %llu", + key->objectid, key->type, key->offset); BUG_ON(1); } @@ -302,8 +298,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) if (IS_ERR(trans)) { err = PTR_ERR(trans); btrfs_handle_fs_error(tree_root->fs_info, err, - "Failed to start trans to delete " - "orphan item"); + "Failed to start trans to delete orphan item"); break; } err = btrfs_del_orphan_item(trans, tree_root, @@ -311,8 +306,7 @@ int btrfs_find_orphan_roots(struct btrfs_root *tree_root) btrfs_end_transaction(trans, tree_root); if (err) { btrfs_handle_fs_error(tree_root->fs_info, err, - "Failed to delete root orphan " - "item"); + "Failed to delete root orphan item"); break; } continue; diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c index 1d195d2b32c6..fffb9ab8526e 100644 --- a/fs/btrfs/scrub.c +++ b/fs/btrfs/scrub.c @@ -575,23 +575,25 @@ static int scrub_print_warning_inode(u64 inum, u64 offset, u64 root, * hold all of the paths here */ for (i = 0; i < ipath->fspath->elem_cnt; ++i) - btrfs_warn_in_rcu(fs_info, "%s at logical %llu on dev " - "%s, sector %llu, root %llu, inode %llu, offset %llu, " - "length %llu, links %u (path: %s)", swarn->errstr, - swarn->logical, rcu_str_deref(swarn->dev->name), - (unsigned long long)swarn->sector, root, inum, offset, - min(isize - offset, (u64)PAGE_SIZE), nlink, - (char *)(unsigned long)ipath->fspath->val[i]); + btrfs_warn_in_rcu(fs_info, + "%s at logical %llu on dev %s, sector %llu, root %llu, inode %llu, offset %llu, length %llu, links %u (path: %s)", + swarn->errstr, swarn->logical, + rcu_str_deref(swarn->dev->name), + (unsigned long long)swarn->sector, + root, inum, offset, + min(isize - offset, (u64)PAGE_SIZE), nlink, + (char *)(unsigned long)ipath->fspath->val[i]); free_ipath(ipath); return 0; err: - btrfs_warn_in_rcu(fs_info, "%s at logical %llu on dev " - "%s, sector %llu, root %llu, inode %llu, offset %llu: path " - "resolving failed with ret=%d", swarn->errstr, - swarn->logical, rcu_str_deref(swarn->dev->name), - (unsigned long long)swarn->sector, root, inum, offset, ret); + btrfs_warn_in_rcu(fs_info, + "%s at logical %llu on dev %s, sector %llu, root %llu, inode %llu, offset %llu: path resolving failed with ret=%d", + swarn->errstr, swarn->logical, + rcu_str_deref(swarn->dev->name), + (unsigned long long)swarn->sector, + root, inum, offset, ret); free_ipath(ipath); return 0; @@ -645,9 +647,8 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock) item_size, &ref_root, &ref_level); btrfs_warn_in_rcu(fs_info, - "%s at logical %llu on dev %s, " - "sector %llu: metadata %s (level %d) in tree " - "%llu", errstr, swarn.logical, + "%s at logical %llu on dev %s, sector %llu: metadata %s (level %d) in tree %llu", + errstr, swarn.logical, rcu_str_deref(dev->name), (unsigned long long)swarn.sector, ref_level ? "node" : "leaf", @@ -1574,8 +1575,7 @@ static int scrub_repair_page_from_good_copy(struct scrub_block *sblock_bad, if (!page_bad->dev->bdev) { btrfs_warn_rl(sblock_bad->sctx->dev_root->fs_info, - "scrub_repair_page_from_good_copy(bdev == NULL) " - "is unexpected"); + "scrub_repair_page_from_good_copy(bdev == NULL) is unexpected"); return -EIO; } @@ -2961,7 +2961,8 @@ static noinline_for_stack int scrub_raid56_parity(struct scrub_ctx *sctx, (key.objectid < logic_start || key.objectid + bytes > logic_start + map->stripe_len)) { - btrfs_err(fs_info, "scrub: tree block %llu spanning stripes, ignored. logical=%llu", + btrfs_err(fs_info, + "scrub: tree block %llu spanning stripes, ignored. logical=%llu", key.objectid, logic_start); spin_lock(&sctx->stat_lock); sctx->stat.uncorrectable_errors++; @@ -3312,8 +3313,7 @@ static noinline_for_stack int scrub_stripe(struct scrub_ctx *sctx, key.objectid + bytes > logical + map->stripe_len)) { btrfs_err(fs_info, - "scrub: tree block %llu spanning " - "stripes, ignored. logical=%llu", + "scrub: tree block %llu spanning stripes, ignored. logical=%llu", key.objectid, logical); spin_lock(&sctx->stat_lock); sctx->stat.uncorrectable_errors++; @@ -3640,7 +3640,8 @@ int scrub_enumerate_chunks(struct scrub_ctx *sctx, */ ro_set = 0; } else { - btrfs_warn(fs_info, "failed setting block group ro, ret=%d\n", + btrfs_warn(fs_info, + "failed setting block group ro, ret=%d\n", ret); btrfs_put_block_group(cache); break; @@ -3861,8 +3862,7 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, if (fs_info->chunk_root->sectorsize != PAGE_SIZE) { /* not supported for data w/o checksums */ btrfs_err_rl(fs_info, - "scrub: size assumption sectorsize != PAGE_SIZE " - "(%d != %lu) fails", + "scrub: size assumption sectorsize != PAGE_SIZE (%d != %lu) fails", fs_info->chunk_root->sectorsize, PAGE_SIZE); return -EINVAL; } @@ -3875,8 +3875,8 @@ int btrfs_scrub_dev(struct btrfs_fs_info *fs_info, u64 devid, u64 start, * would exhaust the array bounds of pagev member in * struct scrub_block */ - btrfs_err(fs_info, "scrub: size assumption nodesize and sectorsize " - "<= SCRUB_MAX_PAGES_PER_BLOCK (%d <= %d && %d <= %d) fails", + btrfs_err(fs_info, + "scrub: size assumption nodesize and sectorsize <= SCRUB_MAX_PAGES_PER_BLOCK (%d <= %d && %d <= %d) fails", fs_info->chunk_root->nodesize, SCRUB_MAX_PAGES_PER_BLOCK, fs_info->chunk_root->sectorsize, @@ -4202,10 +4202,10 @@ static void copy_nocow_pages_worker(struct btrfs_work *work) ret = iterate_inodes_from_logical(logical, fs_info, path, record_inode_for_nocow, nocow_ctx); if (ret != 0 && ret != -ENOENT) { - btrfs_warn(fs_info, "iterate_inodes_from_logical() failed: log %llu, " - "phys %llu, len %llu, mir %u, ret %d", - logical, physical_for_dev_replace, len, mirror_num, - ret); + btrfs_warn(fs_info, + "iterate_inodes_from_logical() failed: log %llu, phys %llu, len %llu, mir %u, ret %d", + logical, physical_for_dev_replace, len, mirror_num, + ret); not_written = 1; goto out; } diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index a87675ffd02b..01bc36cec26e 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -36,10 +36,6 @@ #include "transaction.h" #include "compression.h" -static int g_verbose = 0; - -#define verbose_printk(...) if (g_verbose) printk(__VA_ARGS__) - /* * A fs_path is a helper to dynamically build path names with unknown size. * It reallocates the internal buffer on demand. @@ -727,9 +723,10 @@ static int send_cmd(struct send_ctx *sctx) static int send_rename(struct send_ctx *sctx, struct fs_path *from, struct fs_path *to) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_rename %s -> %s\n", from->start, to->start); + btrfs_debug(fs_info, "send_rename %s -> %s", from->start, to->start); ret = begin_cmd(sctx, BTRFS_SEND_C_RENAME); if (ret < 0) @@ -751,9 +748,10 @@ out: static int send_link(struct send_ctx *sctx, struct fs_path *path, struct fs_path *lnk) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_link %s -> %s\n", path->start, lnk->start); + btrfs_debug(fs_info, "send_link %s -> %s", path->start, lnk->start); ret = begin_cmd(sctx, BTRFS_SEND_C_LINK); if (ret < 0) @@ -774,9 +772,10 @@ out: */ static int send_unlink(struct send_ctx *sctx, struct fs_path *path) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_unlink %s\n", path->start); + btrfs_debug(fs_info, "send_unlink %s", path->start); ret = begin_cmd(sctx, BTRFS_SEND_C_UNLINK); if (ret < 0) @@ -796,9 +795,10 @@ out: */ static int send_rmdir(struct send_ctx *sctx, struct fs_path *path) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; -verbose_printk("btrfs: send_rmdir %s\n", path->start); + btrfs_debug(fs_info, "send_rmdir %s", path->start); ret = begin_cmd(sctx, BTRFS_SEND_C_RMDIR); if (ret < 0) @@ -1313,6 +1313,7 @@ static int find_extent_clone(struct send_ctx *sctx, u64 ino_size, struct clone_root **found) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret; int extent_type; u64 logical; @@ -1371,10 +1372,10 @@ static int find_extent_clone(struct send_ctx *sctx, } logical = disk_byte + btrfs_file_extent_offset(eb, fi); - down_read(&sctx->send_root->fs_info->commit_root_sem); - ret = extent_from_logical(sctx->send_root->fs_info, disk_byte, tmp_path, + down_read(&fs_info->commit_root_sem); + ret = extent_from_logical(fs_info, disk_byte, tmp_path, &found_key, &flags); - up_read(&sctx->send_root->fs_info->commit_root_sem); + up_read(&fs_info->commit_root_sem); btrfs_release_path(tmp_path); if (ret < 0) @@ -1429,7 +1430,7 @@ static int find_extent_clone(struct send_ctx *sctx, extent_item_pos = logical - found_key.objectid; else extent_item_pos = 0; - ret = iterate_extent_inodes(sctx->send_root->fs_info, + ret = iterate_extent_inodes(fs_info, found_key.objectid, extent_item_pos, 1, __iterate_backrefs, backref_ctx); @@ -1439,20 +1440,18 @@ static int find_extent_clone(struct send_ctx *sctx, if (!backref_ctx->found_itself) { /* found a bug in backref code? */ ret = -EIO; - btrfs_err(sctx->send_root->fs_info, "did not find backref in " - "send_root. inode=%llu, offset=%llu, " - "disk_byte=%llu found extent=%llu", - ino, data_offset, disk_byte, found_key.objectid); + btrfs_err(fs_info, + "did not find backref in send_root. inode=%llu, offset=%llu, disk_byte=%llu found extent=%llu", + ino, data_offset, disk_byte, found_key.objectid); goto out; } -verbose_printk(KERN_DEBUG "btrfs: find_extent_clone: data_offset=%llu, " - "ino=%llu, " - "num_bytes=%llu, logical=%llu\n", - data_offset, ino, num_bytes, logical); + btrfs_debug(fs_info, + "find_extent_clone: data_offset=%llu, ino=%llu, num_bytes=%llu, logical=%llu", + data_offset, ino, num_bytes, logical); if (!backref_ctx->found) - verbose_printk("btrfs: no clones found\n"); + btrfs_debug(fs_info, "no clones found"); cur_clone_root = NULL; for (i = 0; i < sctx->clone_roots_cnt; i++) { @@ -2423,10 +2422,11 @@ out: static int send_truncate(struct send_ctx *sctx, u64 ino, u64 gen, u64 size) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; -verbose_printk("btrfs: send_truncate %llu size=%llu\n", ino, size); + btrfs_debug(fs_info, "send_truncate %llu size=%llu", ino, size); p = fs_path_alloc(); if (!p) @@ -2452,10 +2452,11 @@ out: static int send_chmod(struct send_ctx *sctx, u64 ino, u64 gen, u64 mode) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; -verbose_printk("btrfs: send_chmod %llu mode=%llu\n", ino, mode); + btrfs_debug(fs_info, "send_chmod %llu mode=%llu", ino, mode); p = fs_path_alloc(); if (!p) @@ -2481,10 +2482,12 @@ out: static int send_chown(struct send_ctx *sctx, u64 ino, u64 gen, u64 uid, u64 gid) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; -verbose_printk("btrfs: send_chown %llu uid=%llu, gid=%llu\n", ino, uid, gid); + btrfs_debug(fs_info, "send_chown %llu uid=%llu, gid=%llu", + ino, uid, gid); p = fs_path_alloc(); if (!p) @@ -2511,6 +2514,7 @@ out: static int send_utimes(struct send_ctx *sctx, u64 ino, u64 gen) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p = NULL; struct btrfs_inode_item *ii; @@ -2519,7 +2523,7 @@ static int send_utimes(struct send_ctx *sctx, u64 ino, u64 gen) struct btrfs_key key; int slot; -verbose_printk("btrfs: send_utimes %llu\n", ino); + btrfs_debug(fs_info, "send_utimes %llu", ino); p = fs_path_alloc(); if (!p) @@ -2573,6 +2577,7 @@ out: */ static int send_create_inode(struct send_ctx *sctx, u64 ino) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; int cmd; @@ -2580,7 +2585,7 @@ static int send_create_inode(struct send_ctx *sctx, u64 ino) u64 mode; u64 rdev; -verbose_printk("btrfs: send_create_inode %llu\n", ino); + btrfs_debug(fs_info, "send_create_inode %llu", ino); p = fs_path_alloc(); if (!p) @@ -3638,6 +3643,7 @@ out: */ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct recorded_ref *cur; struct recorded_ref *cur2; @@ -3650,7 +3656,7 @@ static int process_recorded_refs(struct send_ctx *sctx, int *pending_move) u64 last_dir_ino_rm = 0; bool can_rename = true; -verbose_printk("btrfs: process_recorded_refs %llu\n", sctx->cur_ino); + btrfs_debug(fs_info, "process_recorded_refs %llu", sctx->cur_ino); /* * This should never happen as the root dir always has the same ref @@ -4329,7 +4335,7 @@ static int __process_new_xattr(int num, struct btrfs_key *di_key, int ret; struct send_ctx *sctx = ctx; struct fs_path *p; - posix_acl_xattr_header dummy_acl; + struct posix_acl_xattr_header dummy_acl; p = fs_path_alloc(); if (!p) @@ -4398,12 +4404,8 @@ static int process_new_xattr(struct send_ctx *sctx) static int process_deleted_xattr(struct send_ctx *sctx) { - int ret; - - ret = iterate_dir_item(sctx->parent_root, sctx->right_path, - sctx->cmp_key, __process_deleted_xattr, sctx); - - return ret; + return iterate_dir_item(sctx->parent_root, sctx->right_path, + sctx->cmp_key, __process_deleted_xattr, sctx); } struct find_xattr_ctx { @@ -4664,6 +4666,7 @@ out: */ static int send_write(struct send_ctx *sctx, u64 offset, u32 len) { + struct btrfs_fs_info *fs_info = sctx->send_root->fs_info; int ret = 0; struct fs_path *p; ssize_t num_read = 0; @@ -4672,7 +4675,7 @@ static int send_write(struct send_ctx *sctx, u64 offset, u32 len) if (!p) return -ENOMEM; -verbose_printk("btrfs: send_write offset=%llu, len=%d\n", offset, len); + btrfs_debug(fs_info, "send_write offset=%llu, len=%d", offset, len); num_read = fill_read_buf(sctx, offset, len); if (num_read <= 0) { @@ -4714,10 +4717,10 @@ static int send_clone(struct send_ctx *sctx, struct fs_path *p; u64 gen; -verbose_printk("btrfs: send_clone offset=%llu, len=%d, clone_root=%llu, " - "clone_inode=%llu, clone_offset=%llu\n", offset, len, - clone_root->root->objectid, clone_root->ino, - clone_root->offset); + btrfs_debug(sctx->send_root->fs_info, + "send_clone offset=%llu, len=%d, clone_root=%llu, clone_inode=%llu, clone_offset=%llu", + offset, len, clone_root->root->objectid, clone_root->ino, + clone_root->offset); p = fs_path_alloc(); if (!p) diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 4071fe2bd098..74ed5aae6cea 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -151,12 +151,11 @@ void __btrfs_handle_fs_error(struct btrfs_fs_info *fs_info, const char *function vaf.fmt = fmt; vaf.va = &args; - printk(KERN_CRIT - "BTRFS: error (device %s) in %s:%d: errno=%d %s (%pV)\n", + pr_crit("BTRFS: error (device %s) in %s:%d: errno=%d %s (%pV)\n", sb->s_id, function, line, errno, errstr, &vaf); va_end(args); } else { - printk(KERN_CRIT "BTRFS: error (device %s) in %s:%d: errno=%d %s\n", + pr_crit("BTRFS: error (device %s) in %s:%d: errno=%d %s\n", sb->s_id, function, line, errno, errstr); } #endif @@ -462,9 +461,11 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, case Opt_datasum: if (btrfs_test_opt(info, NODATASUM)) { if (btrfs_test_opt(info, NODATACOW)) - btrfs_info(root->fs_info, "setting datasum, datacow enabled"); + btrfs_info(root->fs_info, + "setting datasum, datacow enabled"); else - btrfs_info(root->fs_info, "setting datasum"); + btrfs_info(root->fs_info, + "setting datasum"); } btrfs_clear_opt(info->mount_opt, NODATACOW); btrfs_clear_opt(info->mount_opt, NODATASUM); @@ -476,7 +477,8 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, btrfs_info(root->fs_info, "setting nodatacow, compression disabled"); } else { - btrfs_info(root->fs_info, "setting nodatacow"); + btrfs_info(root->fs_info, + "setting nodatacow"); } } btrfs_clear_opt(info->mount_opt, COMPRESS); @@ -608,8 +610,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, info->alloc_start = memparse(num, NULL); mutex_unlock(&info->chunk_mutex); kfree(num); - btrfs_info(root->fs_info, "allocations start at %llu", - info->alloc_start); + btrfs_info(root->fs_info, + "allocations start at %llu", + info->alloc_start); } else { ret = -ENOMEM; goto out; @@ -762,8 +765,9 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, goto out; } else if (intarg >= 0) { info->check_integrity_print_mask = intarg; - btrfs_info(root->fs_info, "check_integrity_print_mask 0x%x", - info->check_integrity_print_mask); + btrfs_info(root->fs_info, + "check_integrity_print_mask 0x%x", + info->check_integrity_print_mask); } else { ret = -EINVAL; goto out; @@ -794,19 +798,22 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, intarg = 0; ret = match_int(&args[0], &intarg); if (ret < 0) { - btrfs_err(root->fs_info, "invalid commit interval"); + btrfs_err(root->fs_info, + "invalid commit interval"); ret = -EINVAL; goto out; } if (intarg > 0) { if (intarg > 300) { - btrfs_warn(root->fs_info, "excessive commit interval %d", - intarg); + btrfs_warn(root->fs_info, + "excessive commit interval %d", + intarg); } info->commit_interval = intarg; } else { - btrfs_info(root->fs_info, "using default commit interval %ds", - BTRFS_DEFAULT_COMMIT_INTERVAL); + btrfs_info(root->fs_info, + "using default commit interval %ds", + BTRFS_DEFAULT_COMMIT_INTERVAL); info->commit_interval = BTRFS_DEFAULT_COMMIT_INTERVAL; } break; @@ -827,7 +834,8 @@ int btrfs_parse_options(struct btrfs_root *root, char *options, break; #endif case Opt_err: - btrfs_info(root->fs_info, "unrecognized mount option '%s'", p); + btrfs_info(root->fs_info, + "unrecognized mount option '%s'", p); ret = -EINVAL; goto out; default: @@ -916,9 +924,7 @@ static int btrfs_parse_early_options(const char *options, fmode_t flags, } break; case Opt_subvolrootid: - printk(KERN_WARNING - "BTRFS: 'subvolrootid' mount option is deprecated and has " - "no effect\n"); + pr_warn("BTRFS: 'subvolrootid' mount option is deprecated and has no effect\n"); break; case Opt_device: device_name = match_strdup(&args[0]); @@ -1142,7 +1148,7 @@ static int btrfs_fill_super(struct super_block *sb, sb->s_iflags |= SB_I_CGROUPWB; err = open_ctree(sb, fs_devices, (char *)data); if (err) { - printk(KERN_ERR "BTRFS: open_ctree failed\n"); + btrfs_err(fs_info, "open_ctree failed"); return err; } @@ -1440,12 +1446,13 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, if (!IS_ERR(root)) { struct super_block *s = root->d_sb; + struct btrfs_fs_info *fs_info = btrfs_sb(s); struct inode *root_inode = d_inode(root); u64 root_objectid = BTRFS_I(root_inode)->root->root_key.objectid; ret = 0; if (!is_subvolume_inode(root_inode)) { - pr_err("BTRFS: '%s' is not a valid subvolume\n", + btrfs_err(fs_info, "'%s' is not a valid subvolume", subvol_name); ret = -EINVAL; } @@ -1455,8 +1462,9 @@ static struct dentry *mount_subvol(const char *subvol_name, u64 subvol_objectid, * subvolume which was passed by ID is renamed and * another subvolume is renamed over the old location. */ - pr_err("BTRFS: subvol '%s' does not match subvolid %llu\n", - subvol_name, subvol_objectid); + btrfs_err(fs_info, + "subvol '%s' does not match subvolid %llu", + subvol_name, subvol_objectid); ret = -EINVAL; } if (ret) { @@ -1830,13 +1838,15 @@ static int btrfs_remount(struct super_block *sb, int *flags, char *data) btrfs_info(fs_info, "creating UUID tree"); ret = btrfs_create_uuid_tree(fs_info); if (ret) { - btrfs_warn(fs_info, "failed to create the UUID tree %d", ret); + btrfs_warn(fs_info, + "failed to create the UUID tree %d", + ret); goto restore; } } sb->s_flags &= ~MS_RDONLY; - fs_info->open = 1; + set_bit(BTRFS_FS_OPEN, &fs_info->flags); } out: wake_up_process(fs_info->transaction_kthread); @@ -2346,7 +2356,7 @@ static void btrfs_interface_exit(void) static void btrfs_print_mod_info(void) { - printk(KERN_INFO "Btrfs loaded, crc32c=%s" + pr_info("Btrfs loaded, crc32c=%s" #ifdef CONFIG_BTRFS_DEBUG ", debug=on" #endif diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index c6569905d3d1..1f157fba8940 100644 --- a/fs/btrfs/sysfs.c +++ b/fs/btrfs/sysfs.c @@ -77,7 +77,7 @@ static int can_modify_feature(struct btrfs_feature_attr *fa) clear = BTRFS_FEATURE_INCOMPAT_SAFE_CLEAR; break; default: - printk(KERN_WARNING "btrfs: sysfs: unknown feature set %d\n", + pr_warn("btrfs: sysfs: unknown feature set %d\n", fa->feature_set); return 0; } @@ -430,7 +430,8 @@ static ssize_t btrfs_sectorsize_show(struct kobject *kobj, { struct btrfs_fs_info *fs_info = to_fs_info(kobj); - return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize); + return snprintf(buf, PAGE_SIZE, "%u\n", + fs_info->super_copy->sectorsize); } BTRFS_ATTR(sectorsize, btrfs_sectorsize_show); @@ -440,7 +441,8 @@ static ssize_t btrfs_clone_alignment_show(struct kobject *kobj, { struct btrfs_fs_info *fs_info = to_fs_info(kobj); - return snprintf(buf, PAGE_SIZE, "%u\n", fs_info->super_copy->sectorsize); + return snprintf(buf, PAGE_SIZE, "%u\n", + fs_info->super_copy->sectorsize); } BTRFS_ATTR(clone_alignment, btrfs_clone_alignment_show); @@ -836,9 +838,18 @@ static int btrfs_init_debugfs(void) if (!btrfs_debugfs_root_dentry) return -ENOMEM; - debugfs_create_u64("test", S_IRUGO | S_IWUGO, btrfs_debugfs_root_dentry, + /* + * Example code, how to export data through debugfs. + * + * file: /sys/kernel/debug/btrfs/test + * contents of: btrfs_debugfs_test + */ +#ifdef CONFIG_BTRFS_DEBUG + debugfs_create_u64("test", S_IRUGO | S_IWUSR, btrfs_debugfs_root_dentry, &btrfs_debugfs_test); #endif + +#endif return 0; } diff --git a/fs/btrfs/tests/inode-tests.c b/fs/btrfs/tests/inode-tests.c index 9f72aeda9220..0bf46808ce8f 100644 --- a/fs/btrfs/tests/inode-tests.c +++ b/fs/btrfs/tests/inode-tests.c @@ -968,7 +968,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) /* [BTRFS_MAX_EXTENT_SIZE] */ BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, 0, BTRFS_MAX_EXTENT_SIZE - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -984,7 +984,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE, BTRFS_MAX_EXTENT_SIZE + sectorsize - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1019,7 +1019,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE >> 1, (BTRFS_MAX_EXTENT_SIZE >> 1) + sectorsize - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1042,7 +1042,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize, (BTRFS_MAX_EXTENT_SIZE << 1) + 3 * sectorsize - 1, - NULL); + NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1060,7 +1060,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + sectorsize, - BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL); + BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; @@ -1097,7 +1097,7 @@ static int test_extent_accounting(u32 sectorsize, u32 nodesize) BTRFS_I(inode)->outstanding_extents++; ret = btrfs_set_extent_delalloc(inode, BTRFS_MAX_EXTENT_SIZE + sectorsize, - BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL); + BTRFS_MAX_EXTENT_SIZE + 2 * sectorsize - 1, NULL, 0); if (ret) { test_msg("btrfs_set_extent_delalloc returned %d\n", ret); goto out; diff --git a/fs/btrfs/tests/qgroup-tests.c b/fs/btrfs/tests/qgroup-tests.c index 4407fef7c16c..ca7cb5e6d385 100644 --- a/fs/btrfs/tests/qgroup-tests.c +++ b/fs/btrfs/tests/qgroup-tests.c @@ -480,7 +480,7 @@ int btrfs_test_qgroups(u32 sectorsize, u32 nodesize) */ root->fs_info->tree_root = root; root->fs_info->quota_root = root; - root->fs_info->quota_enabled = 1; + set_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags); /* * Can't use bytenr 0, some things freak out diff --git a/fs/btrfs/transaction.c b/fs/btrfs/transaction.c index 95d41919d034..9517de0e668c 100644 --- a/fs/btrfs/transaction.c +++ b/fs/btrfs/transaction.c @@ -65,8 +65,9 @@ void btrfs_put_transaction(struct btrfs_transaction *transaction) BUG_ON(!list_empty(&transaction->list)); WARN_ON(!RB_EMPTY_ROOT(&transaction->delayed_refs.href_root)); if (transaction->delayed_refs.pending_csums) - printk(KERN_ERR "pending csums is %llu\n", - transaction->delayed_refs.pending_csums); + btrfs_err(transaction->fs_info, + "pending csums is %llu", + transaction->delayed_refs.pending_csums); while (!list_empty(&transaction->pending_chunks)) { struct extent_map *em; @@ -245,6 +246,7 @@ loop: return -EROFS; } + cur_trans->fs_info = fs_info; atomic_set(&cur_trans->num_writers, 1); extwriter_counter_init(cur_trans, type); init_waitqueue_head(&cur_trans->writer_wait); @@ -272,11 +274,9 @@ loop: */ smp_mb(); if (!list_empty(&fs_info->tree_mod_seq_list)) - WARN(1, KERN_ERR "BTRFS: tree_mod_seq_list not empty when " - "creating a fresh transaction\n"); + WARN(1, KERN_ERR "BTRFS: tree_mod_seq_list not empty when creating a fresh transaction\n"); if (!RB_EMPTY_ROOT(&fs_info->tree_mod_log)) - WARN(1, KERN_ERR "BTRFS: tree_mod_log rb tree not empty when " - "creating a fresh transaction\n"); + WARN(1, KERN_ERR "BTRFS: tree_mod_log rb tree not empty when creating a fresh transaction\n"); atomic64_set(&fs_info->tree_mod_seq, 0); spin_lock_init(&cur_trans->delayed_refs.lock); @@ -441,7 +441,7 @@ static void wait_current_trans(struct btrfs_root *root) static int may_wait_transaction(struct btrfs_root *root, int type) { - if (root->fs_info->log_root_recovering) + if (test_bit(BTRFS_FS_LOG_RECOVERING, &root->fs_info->flags)) return 0; if (type == TRANS_USERSPACE) @@ -549,11 +549,8 @@ again: } } while (ret == -EBUSY); - if (ret < 0) { - /* We must get the transaction if we are JOIN_NOLOCK. */ - BUG_ON(type == TRANS_JOIN_NOLOCK); + if (ret < 0) goto join_fail; - } cur_trans = root->fs_info->running_transaction; @@ -993,7 +990,6 @@ int btrfs_wait_marked_extents(struct btrfs_root *root, struct extent_state *cached_state = NULL; u64 start = 0; u64 end; - struct btrfs_inode *btree_ino = BTRFS_I(root->fs_info->btree_inode); bool errors = false; while (!find_first_extent_bit(dirty_pages, start, &start, &end, @@ -1025,17 +1021,17 @@ int btrfs_wait_marked_extents(struct btrfs_root *root, if (root->root_key.objectid == BTRFS_TREE_LOG_OBJECTID) { if ((mark & EXTENT_DIRTY) && - test_and_clear_bit(BTRFS_INODE_BTREE_LOG1_ERR, - &btree_ino->runtime_flags)) + test_and_clear_bit(BTRFS_FS_LOG1_ERR, + &root->fs_info->flags)) errors = true; if ((mark & EXTENT_NEW) && - test_and_clear_bit(BTRFS_INODE_BTREE_LOG2_ERR, - &btree_ino->runtime_flags)) + test_and_clear_bit(BTRFS_FS_LOG2_ERR, + &root->fs_info->flags)) errors = true; } else { - if (test_and_clear_bit(BTRFS_INODE_BTREE_ERR, - &btree_ino->runtime_flags)) + if (test_and_clear_bit(BTRFS_FS_BTREE_ERR, + &root->fs_info->flags)) errors = true; } @@ -1300,11 +1296,11 @@ int btrfs_defrag_root(struct btrfs_root *root) btrfs_btree_balance_dirty(info->tree_root); cond_resched(); - if (btrfs_fs_closing(root->fs_info) || ret != -EAGAIN) + if (btrfs_fs_closing(info) || ret != -EAGAIN) break; - if (btrfs_defrag_cancelled(root->fs_info)) { - pr_debug("BTRFS: defrag_root cancelled\n"); + if (btrfs_defrag_cancelled(info)) { + btrfs_debug(info, "defrag_root cancelled"); ret = -EAGAIN; break; } @@ -1335,7 +1331,7 @@ static int qgroup_account_snapshot(struct btrfs_trans_handle *trans, * kick in anyway. */ mutex_lock(&fs_info->qgroup_ioctl_lock); - if (!fs_info->quota_enabled) { + if (!test_bit(BTRFS_FS_QUOTA_ENABLED, &fs_info->flags)) { mutex_unlock(&fs_info->qgroup_ioctl_lock); return 0; } @@ -1474,7 +1470,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, parent_root = BTRFS_I(parent_inode)->root; record_root_in_trans(trans, parent_root, 0); - cur_time = current_fs_time(parent_inode->i_sb); + cur_time = current_time(parent_inode); /* * insert the directory item @@ -1630,7 +1626,7 @@ static noinline int create_pending_snapshot(struct btrfs_trans_handle *trans, btrfs_i_size_write(parent_inode, parent_inode->i_size + dentry->d_name.len * 2); parent_inode->i_mtime = parent_inode->i_ctime = - current_fs_time(parent_inode->i_sb); + current_time(parent_inode); ret = btrfs_update_inode_fallback(trans, parent_root, parent_inode); if (ret) { btrfs_abort_transaction(trans, ret); @@ -1712,7 +1708,7 @@ static void update_super_roots(struct btrfs_root *root) super->root_level = root_item->level; if (btrfs_test_opt(root->fs_info, SPACE_CACHE)) super->cache_generation = root_item->generation; - if (root->fs_info->update_uuid_tree_gen) + if (test_bit(BTRFS_FS_UPDATE_UUID_TREE_GEN, &root->fs_info->flags)) super->uuid_tree_generation = root_item->generation; } @@ -1919,7 +1915,6 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, { struct btrfs_transaction *cur_trans = trans->transaction; struct btrfs_transaction *prev_trans = NULL; - struct btrfs_inode *btree_ino = BTRFS_I(root->fs_info->btree_inode); int ret; /* Stop the commit early if ->aborted is set */ @@ -2213,8 +2208,8 @@ int btrfs_commit_transaction(struct btrfs_trans_handle *trans, btrfs_update_commit_device_size(root->fs_info); btrfs_update_commit_device_bytes_used(root, cur_trans); - clear_bit(BTRFS_INODE_BTREE_LOG1_ERR, &btree_ino->runtime_flags); - clear_bit(BTRFS_INODE_BTREE_LOG2_ERR, &btree_ino->runtime_flags); + clear_bit(BTRFS_FS_LOG1_ERR, &root->fs_info->flags); + clear_bit(BTRFS_FS_LOG2_ERR, &root->fs_info->flags); btrfs_trans_release_chunk_metadata(trans); @@ -2328,7 +2323,7 @@ int btrfs_clean_one_deleted_snapshot(struct btrfs_root *root) list_del_init(&root->root_list); spin_unlock(&fs_info->trans_lock); - pr_debug("BTRFS: cleaner removing %llu\n", root->objectid); + btrfs_debug(fs_info, "cleaner removing %llu", root->objectid); btrfs_kill_all_delayed_nodes(root); diff --git a/fs/btrfs/transaction.h b/fs/btrfs/transaction.h index efb122643380..6cf0d37d4f76 100644 --- a/fs/btrfs/transaction.h +++ b/fs/btrfs/transaction.h @@ -82,6 +82,7 @@ struct btrfs_transaction { spinlock_t dropped_roots_lock; struct btrfs_delayed_ref_root delayed_refs; int aborted; + struct btrfs_fs_info *fs_info; }; #define __TRANS_FREEZABLE (1U << 0) diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index ef9c55bc7907..528cae123dc9 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -3961,7 +3961,7 @@ static int wait_ordered_extents(struct btrfs_trans_handle *trans, * i_mapping flags, so that the next fsync won't get * an outdated io error too. */ - btrfs_inode_check_errors(inode); + filemap_check_errors(inode->i_mapping); *ordered_io_error = true; break; } @@ -4198,7 +4198,7 @@ static int btrfs_log_changed_extents(struct btrfs_trans_handle *trans, * without writing to the log tree and the fsync must report the * file data write error and not commit the current transaction. */ - ret = btrfs_inode_check_errors(inode); + ret = filemap_check_errors(inode->i_mapping); if (ret) ctx->io_err = ret; process: @@ -5579,7 +5579,7 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree) if (!path) return -ENOMEM; - fs_info->log_root_recovering = 1; + set_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags); trans = btrfs_start_transaction(fs_info->tree_root, 0); if (IS_ERR(trans)) { @@ -5592,8 +5592,8 @@ int btrfs_recover_log_trees(struct btrfs_root *log_root_tree) ret = walk_log_tree(trans, log_root_tree, &wc); if (ret) { - btrfs_handle_fs_error(fs_info, ret, "Failed to pin buffers while " - "recovering log root tree."); + btrfs_handle_fs_error(fs_info, ret, + "Failed to pin buffers while recovering log root tree."); goto error; } @@ -5639,8 +5639,8 @@ again: free_extent_buffer(log->node); free_extent_buffer(log->commit_root); kfree(log); - btrfs_handle_fs_error(fs_info, ret, "Couldn't read target root " - "for tree log recovery."); + btrfs_handle_fs_error(fs_info, ret, + "Couldn't read target root for tree log recovery."); goto error; } @@ -5689,7 +5689,7 @@ again: free_extent_buffer(log_root_tree->node); log_root_tree->log_root = NULL; - fs_info->log_root_recovering = 0; + clear_bit(BTRFS_FS_LOG_RECOVERING, &fs_info->flags); kfree(log_root_tree); return 0; diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c index 778282944530..7fc89e4adb41 100644 --- a/fs/btrfs/uuid-tree.c +++ b/fs/btrfs/uuid-tree.c @@ -69,8 +69,9 @@ static int btrfs_uuid_tree_lookup(struct btrfs_root *uuid_root, u8 *uuid, ret = -ENOENT; if (!IS_ALIGNED(item_size, sizeof(u64))) { - btrfs_warn(uuid_root->fs_info, "uuid item with illegal size %lu!", - (unsigned long)item_size); + btrfs_warn(uuid_root->fs_info, + "uuid item with illegal size %lu!", + (unsigned long)item_size); goto out; } while (item_size) { @@ -137,10 +138,10 @@ int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, offset = btrfs_item_ptr_offset(eb, slot); offset += btrfs_item_size_nr(eb, slot) - sizeof(subid_le); } else if (ret < 0) { - btrfs_warn(uuid_root->fs_info, "insert uuid item failed %d " - "(0x%016llx, 0x%016llx) type %u!", - ret, (unsigned long long)key.objectid, - (unsigned long long)key.offset, type); + btrfs_warn(uuid_root->fs_info, + "insert uuid item failed %d (0x%016llx, 0x%016llx) type %u!", + ret, (unsigned long long)key.objectid, + (unsigned long long)key.offset, type); goto out; } @@ -184,8 +185,8 @@ int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans, ret = btrfs_search_slot(trans, uuid_root, &key, path, -1, 1); if (ret < 0) { - btrfs_warn(uuid_root->fs_info, "error %d while searching for uuid item!", - ret); + btrfs_warn(uuid_root->fs_info, + "error %d while searching for uuid item!", ret); goto out; } if (ret > 0) { @@ -198,8 +199,9 @@ int btrfs_uuid_tree_rem(struct btrfs_trans_handle *trans, offset = btrfs_item_ptr_offset(eb, slot); item_size = btrfs_item_size_nr(eb, slot); if (!IS_ALIGNED(item_size, sizeof(u64))) { - btrfs_warn(uuid_root->fs_info, "uuid item with illegal size %lu!", - (unsigned long)item_size); + btrfs_warn(uuid_root->fs_info, + "uuid item with illegal size %lu!", + (unsigned long)item_size); ret = -ENOENT; goto out; } @@ -299,8 +301,9 @@ again_search_slot: offset = btrfs_item_ptr_offset(leaf, slot); item_size = btrfs_item_size_nr(leaf, slot); if (!IS_ALIGNED(item_size, sizeof(u64))) { - btrfs_warn(fs_info, "uuid item with illegal size %lu!", - (unsigned long)item_size); + btrfs_warn(fs_info, + "uuid item with illegal size %lu!", + (unsigned long)item_size); goto skip; } while (item_size) { diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 035efce603a9..71a60cc01451 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -859,7 +859,7 @@ static void btrfs_close_bdev(struct btrfs_device *device) blkdev_put(device->bdev, device->mode); } -static void btrfs_close_one_device(struct btrfs_device *device) +static void btrfs_prepare_close_one_device(struct btrfs_device *device) { struct btrfs_fs_devices *fs_devices = device->fs_devices; struct btrfs_device *new_device; @@ -877,8 +877,6 @@ static void btrfs_close_one_device(struct btrfs_device *device) if (device->missing) fs_devices->missing_devices--; - btrfs_close_bdev(device); - new_device = btrfs_alloc_device(NULL, &device->devid, device->uuid); BUG_ON(IS_ERR(new_device)); /* -ENOMEM */ @@ -892,23 +890,39 @@ static void btrfs_close_one_device(struct btrfs_device *device) list_replace_rcu(&device->dev_list, &new_device->dev_list); new_device->fs_devices = device->fs_devices; - - call_rcu(&device->rcu, free_device); } static int __btrfs_close_devices(struct btrfs_fs_devices *fs_devices) { struct btrfs_device *device, *tmp; + struct list_head pending_put; + + INIT_LIST_HEAD(&pending_put); if (--fs_devices->opened > 0) return 0; mutex_lock(&fs_devices->device_list_mutex); list_for_each_entry_safe(device, tmp, &fs_devices->devices, dev_list) { - btrfs_close_one_device(device); + btrfs_prepare_close_one_device(device); + list_add(&device->dev_list, &pending_put); } mutex_unlock(&fs_devices->device_list_mutex); + /* + * btrfs_show_devname() is using the device_list_mutex, + * sometimes call to blkdev_put() leads vfs calling + * into this func. So do put outside of device_list_mutex, + * as of now. + */ + while (!list_empty(&pending_put)) { + device = list_first_entry(&pending_put, + struct btrfs_device, dev_list); + list_del(&device->dev_list); + btrfs_close_bdev(device); + call_rcu(&device->rcu, free_device); + } + WARN_ON(fs_devices->open_devices); WARN_ON(fs_devices->rw_devices); fs_devices->opened = 0; @@ -1140,12 +1154,12 @@ int btrfs_scan_one_device(const char *path, fmode_t flags, void *holder, ret = device_list_add(path, disk_super, devid, fs_devices_ret); if (ret > 0) { if (disk_super->label[0]) { - printk(KERN_INFO "BTRFS: device label %s ", disk_super->label); + pr_info("BTRFS: device label %s ", disk_super->label); } else { - printk(KERN_INFO "BTRFS: device fsid %pU ", disk_super->fsid); + pr_info("BTRFS: device fsid %pU ", disk_super->fsid); } - printk(KERN_CONT "devid %llu transid %llu %s\n", devid, transid, path); + pr_cont("devid %llu transid %llu %s\n", devid, transid, path); ret = 0; } if (!ret && fs_devices_ret) @@ -1846,7 +1860,6 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) u64 num_devices; int ret = 0; bool clear_super = false; - char *dev_name = NULL; mutex_lock(&uuid_mutex); @@ -1882,11 +1895,6 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) list_del_init(&device->dev_alloc_list); device->fs_devices->rw_devices--; unlock_chunks(root); - dev_name = kstrdup(device->name->str, GFP_KERNEL); - if (!dev_name) { - ret = -ENOMEM; - goto error_undo; - } clear_super = true; } @@ -1936,14 +1944,21 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) btrfs_sysfs_rm_device_link(root->fs_info->fs_devices, device); } - btrfs_close_bdev(device); - - call_rcu(&device->rcu, free_device); - num_devices = btrfs_super_num_devices(root->fs_info->super_copy) - 1; btrfs_set_super_num_devices(root->fs_info->super_copy, num_devices); mutex_unlock(&root->fs_info->fs_devices->device_list_mutex); + /* + * at this point, the device is zero sized and detached from + * the devices list. All that's left is to zero out the old + * supers and free the device. + */ + if (device->writeable) + btrfs_scratch_superblocks(device->bdev, device->name->str); + + btrfs_close_bdev(device); + call_rcu(&device->rcu, free_device); + if (cur_devices->open_devices == 0) { struct btrfs_fs_devices *fs_devices; fs_devices = root->fs_info->fs_devices; @@ -1962,24 +1977,7 @@ int btrfs_rm_device(struct btrfs_root *root, char *device_path, u64 devid) root->fs_info->num_tolerated_disk_barrier_failures = btrfs_calc_num_tolerated_disk_barrier_failures(root->fs_info); - /* - * at this point, the device is zero sized. We want to - * remove it from the devices list and zero out the old super - */ - if (clear_super) { - struct block_device *bdev; - - bdev = blkdev_get_by_path(dev_name, FMODE_READ | FMODE_EXCL, - root->fs_info->bdev_holder); - if (!IS_ERR(bdev)) { - btrfs_scratch_superblocks(bdev, dev_name); - blkdev_put(bdev, FMODE_READ | FMODE_EXCL); - } - } - out: - kfree(dev_name); - mutex_unlock(&uuid_mutex); return ret; @@ -2494,9 +2492,7 @@ int btrfs_init_new_device(struct btrfs_root *root, char *device_path) ret = btrfs_relocate_sys_chunks(root); if (ret < 0) btrfs_handle_fs_error(root->fs_info, ret, - "Failed to relocate sys chunks after " - "device initialization. This can be fixed " - "using the \"btrfs balance\" command."); + "Failed to relocate sys chunks after device initialization. This can be fixed using the \"btrfs balance\" command."); trans = btrfs_attach_transaction(root); if (IS_ERR(trans)) { if (PTR_ERR(trans) == -ENOENT) @@ -2555,7 +2551,8 @@ int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path, devices = &fs_info->fs_devices->devices; list_for_each_entry(device, devices, dev_list) { if (device->bdev == bdev) { - btrfs_err(fs_info, "target device is in the filesystem!"); + btrfs_err(fs_info, + "target device is in the filesystem!"); ret = -EEXIST; goto error; } @@ -2564,7 +2561,8 @@ int btrfs_init_dev_replace_tgtdev(struct btrfs_root *root, char *device_path, if (i_size_read(bdev->bd_inode) < btrfs_device_get_total_bytes(srcdev)) { - btrfs_err(fs_info, "target device is smaller than source device!"); + btrfs_err(fs_info, + "target device is smaller than source device!"); ret = -EINVAL; goto error; } @@ -3698,7 +3696,7 @@ error: btrfs_free_path(path); if (enospc_errors) { btrfs_info(fs_info, "%d enospc errors during balance", - enospc_errors); + enospc_errors); if (!ret) ret = -ENOSPC; } @@ -3792,8 +3790,8 @@ int btrfs_balance(struct btrfs_balance_control *bctl, if (!(bctl->flags & BTRFS_BALANCE_DATA) || !(bctl->flags & BTRFS_BALANCE_METADATA) || memcmp(&bctl->data, &bctl->meta, sizeof(bctl->data))) { - btrfs_err(fs_info, "with mixed groups data and " - "metadata balance options must be the same"); + btrfs_err(fs_info, + "with mixed groups data and metadata balance options must be the same"); ret = -EINVAL; goto out; } @@ -3815,23 +3813,23 @@ int btrfs_balance(struct btrfs_balance_control *bctl, allowed |= (BTRFS_BLOCK_GROUP_RAID10 | BTRFS_BLOCK_GROUP_RAID6); if (validate_convert_profile(&bctl->data, allowed)) { - btrfs_err(fs_info, "unable to start balance with target " - "data profile %llu", - bctl->data.target); + btrfs_err(fs_info, + "unable to start balance with target data profile %llu", + bctl->data.target); ret = -EINVAL; goto out; } if (validate_convert_profile(&bctl->meta, allowed)) { btrfs_err(fs_info, - "unable to start balance with target metadata profile %llu", - bctl->meta.target); + "unable to start balance with target metadata profile %llu", + bctl->meta.target); ret = -EINVAL; goto out; } if (validate_convert_profile(&bctl->sys, allowed)) { btrfs_err(fs_info, - "unable to start balance with target system profile %llu", - bctl->sys.target); + "unable to start balance with target system profile %llu", + bctl->sys.target); ret = -EINVAL; goto out; } @@ -3851,10 +3849,11 @@ int btrfs_balance(struct btrfs_balance_control *bctl, (fs_info->avail_metadata_alloc_bits & allowed) && !(bctl->meta.target & allowed))) { if (bctl->flags & BTRFS_BALANCE_FORCE) { - btrfs_info(fs_info, "force reducing metadata integrity"); + btrfs_info(fs_info, + "force reducing metadata integrity"); } else { - btrfs_err(fs_info, "balance will reduce metadata " - "integrity, use force if you want this"); + btrfs_err(fs_info, + "balance will reduce metadata integrity, use force if you want this"); ret = -EINVAL; goto out; } @@ -3864,8 +3863,8 @@ int btrfs_balance(struct btrfs_balance_control *bctl, if (btrfs_get_num_tolerated_disk_barrier_failures(bctl->meta.target) < btrfs_get_num_tolerated_disk_barrier_failures(bctl->data.target)) { btrfs_warn(fs_info, - "metadata profile 0x%llx has lower redundancy than data profile 0x%llx", - bctl->meta.target, bctl->data.target); + "metadata profile 0x%llx has lower redundancy than data profile 0x%llx", + bctl->meta.target, bctl->data.target); } if (bctl->sys.flags & BTRFS_BALANCE_ARGS_CONVERT) { @@ -4221,7 +4220,7 @@ out: if (ret) btrfs_warn(fs_info, "btrfs_uuid_scan_kthread failed %d", ret); else - fs_info->update_uuid_tree_gen = 1; + set_bit(BTRFS_FS_UPDATE_UUID_TREE_GEN, &fs_info->flags); up(&fs_info->uuid_tree_rescan_sem); return 0; } @@ -4913,15 +4912,16 @@ int btrfs_finish_chunk_alloc(struct btrfs_trans_handle *trans, read_unlock(&em_tree->lock); if (!em) { - btrfs_crit(extent_root->fs_info, "unable to find logical " - "%Lu len %Lu", chunk_offset, chunk_size); + btrfs_crit(extent_root->fs_info, + "unable to find logical %Lu len %Lu", + chunk_offset, chunk_size); return -EINVAL; } if (em->start != chunk_offset || em->len != chunk_size) { - btrfs_crit(extent_root->fs_info, "found a bad mapping, wanted" - " %Lu-%Lu, found %Lu-%Lu", chunk_offset, - chunk_size, em->start, em->len); + btrfs_crit(extent_root->fs_info, + "found a bad mapping, wanted %Lu-%Lu, found %Lu-%Lu", + chunk_offset, chunk_size, em->start, em->len); free_extent_map(em); return -EINVAL; } @@ -5154,9 +5154,9 @@ int btrfs_num_copies(struct btrfs_fs_info *fs_info, u64 logical, u64 len) } if (em->start > logical || em->start + em->len < logical) { - btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got " - "%Lu-%Lu", logical, logical+len, em->start, - em->start + em->len); + btrfs_crit(fs_info, "Invalid mapping for %Lu-%Lu, got %Lu-%Lu", + logical, logical+len, em->start, + em->start + em->len); free_extent_map(em); return 1; } @@ -5370,9 +5370,9 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op, } if (em->start > logical || em->start + em->len < logical) { - btrfs_crit(fs_info, "found a bad mapping, wanted %Lu, " - "found %Lu-%Lu", logical, em->start, - em->start + em->len); + btrfs_crit(fs_info, + "found a bad mapping, wanted %Lu, found %Lu-%Lu", + logical, em->start, em->start + em->len); free_extent_map(em); return -EINVAL; } @@ -5390,9 +5390,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op, stripe_offset = stripe_nr * stripe_len; if (offset < stripe_offset) { - btrfs_crit(fs_info, "stripe math has gone wrong, " - "stripe_offset=%llu, offset=%llu, start=%llu, " - "logical=%llu, stripe_len=%llu", + btrfs_crit(fs_info, + "stripe math has gone wrong, stripe_offset=%llu, offset=%llu, start=%llu, logical=%llu, stripe_len=%llu", stripe_offset, offset, em->start, logical, stripe_len); free_extent_map(em); @@ -5642,8 +5641,8 @@ static int __btrfs_map_block(struct btrfs_fs_info *fs_info, int op, mirror_num = stripe_index + 1; } if (stripe_index >= map->num_stripes) { - btrfs_crit(fs_info, "stripe index math went horribly wrong, " - "got stripe_index=%u, num_stripes=%u", + btrfs_crit(fs_info, + "stripe index math went horribly wrong, got stripe_index=%u, num_stripes=%u", stripe_index, map->num_stripes); ret = -EINVAL; goto out; @@ -5907,10 +5906,11 @@ int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int op, mirror_num, need_raid_map); } -int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, +int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start, u64 physical, u64 devid, u64 **logical, int *naddrs, int *stripe_len) { + struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree; struct extent_map_tree *em_tree = &map_tree->map_tree; struct extent_map *em; struct map_lookup *map; @@ -5926,13 +5926,13 @@ int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, read_unlock(&em_tree->lock); if (!em) { - printk(KERN_ERR "BTRFS: couldn't find em for chunk %Lu\n", - chunk_start); + btrfs_err(fs_info, "couldn't find em for chunk %Lu", + chunk_start); return -EIO; } if (em->start != chunk_start) { - printk(KERN_ERR "BTRFS: bad chunk start, em=%Lu, wanted=%Lu\n", + btrfs_err(fs_info, "bad chunk start, em=%Lu, wanted=%Lu", em->start, chunk_start); free_extent_map(em); return -EIO; @@ -6137,10 +6137,12 @@ static void submit_stripe_bio(struct btrfs_root *root, struct btrfs_bio *bbio, rcu_read_lock(); name = rcu_dereference(dev->name); - pr_debug("btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu " - "(%s id %llu), size=%u\n", bio_op(bio), bio->bi_opf, - (u64)bio->bi_iter.bi_sector, (u_long)dev->bdev->bd_dev, - name->str, dev->devid, bio->bi_iter.bi_size); + btrfs_debug(fs_info, + "btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu (%s id %llu), size=%u", + bio_op(bio), bio->bi_opf, + (u64)bio->bi_iter.bi_sector, + (u_long)dev->bdev->bd_dev, name->str, dev->devid, + bio->bi_iter.bi_size); rcu_read_unlock(); } #endif @@ -6215,8 +6217,9 @@ int btrfs_map_bio(struct btrfs_root *root, struct bio *bio, } if (map_length < length) { - btrfs_crit(root->fs_info, "mapping failed logical %llu bio len %llu len %llu", - logical, length, map_length); + btrfs_crit(root->fs_info, + "mapping failed logical %llu bio len %llu len %llu", + logical, length, map_length); BUG(); } @@ -6483,8 +6486,9 @@ static int read_one_chunk(struct btrfs_root *root, struct btrfs_key *key, free_extent_map(em); return -EIO; } - btrfs_warn(root->fs_info, "devid %llu uuid %pU is missing", - devid, uuid); + btrfs_warn(root->fs_info, + "devid %llu uuid %pU is missing", + devid, uuid); } map->stripes[i].dev->in_fs_metadata = 1; } @@ -6661,7 +6665,8 @@ static int read_one_dev(struct btrfs_root *root, int btrfs_read_sys_array(struct btrfs_root *root) { - struct btrfs_super_block *super_copy = root->fs_info->super_copy; + struct btrfs_fs_info *fs_info = root->fs_info; + struct btrfs_super_block *super_copy = fs_info->super_copy; struct extent_buffer *sb; struct btrfs_disk_key *disk_key; struct btrfs_chunk *chunk; @@ -6732,8 +6737,8 @@ int btrfs_read_sys_array(struct btrfs_root *root) num_stripes = btrfs_chunk_num_stripes(sb, chunk); if (!num_stripes) { - printk(KERN_ERR - "BTRFS: invalid number of stripes %u in sys_array at offset %u\n", + btrfs_err(fs_info, + "invalid number of stripes %u in sys_array at offset %u", num_stripes, cur_offset); ret = -EIO; break; @@ -6741,7 +6746,7 @@ int btrfs_read_sys_array(struct btrfs_root *root) type = btrfs_chunk_type(sb, chunk); if ((type & BTRFS_BLOCK_GROUP_SYSTEM) == 0) { - btrfs_err(root->fs_info, + btrfs_err(fs_info, "invalid chunk type %llu in sys_array at offset %u", type, cur_offset); ret = -EIO; @@ -6756,9 +6761,9 @@ int btrfs_read_sys_array(struct btrfs_root *root) if (ret) break; } else { - printk(KERN_ERR - "BTRFS: unexpected item type %u in sys_array at offset %u\n", - (u32)key.type, cur_offset); + btrfs_err(fs_info, + "unexpected item type %u in sys_array at offset %u", + (u32)key.type, cur_offset); ret = -EIO; break; } @@ -6771,7 +6776,7 @@ int btrfs_read_sys_array(struct btrfs_root *root) return ret; out_short_read: - printk(KERN_ERR "BTRFS: sys_array too short to read %u bytes at offset %u\n", + btrfs_err(fs_info, "sys_array too short to read %u bytes at offset %u", len, cur_offset); clear_extent_buffer_uptodate(sb); free_extent_buffer_stale(sb); @@ -7095,10 +7100,12 @@ int btrfs_get_dev_stats(struct btrfs_root *root, mutex_unlock(&fs_devices->device_list_mutex); if (!dev) { - btrfs_warn(root->fs_info, "get dev_stats failed, device not found"); + btrfs_warn(root->fs_info, + "get dev_stats failed, device not found"); return -ENODEV; } else if (!dev->dev_stats_valid) { - btrfs_warn(root->fs_info, "get dev_stats failed, not yet valid"); + btrfs_warn(root->fs_info, + "get dev_stats failed, not yet valid"); return -ENODEV; } else if (stats->flags & BTRFS_DEV_STATS_RESET) { for (i = 0; i < BTRFS_DEV_STAT_VALUES_MAX; i++) { diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index 6613e6335ca2..09ed29c67848 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -382,7 +382,7 @@ int btrfs_map_sblock(struct btrfs_fs_info *fs_info, int op, u64 logical, u64 *length, struct btrfs_bio **bbio_ret, int mirror_num, int need_raid_map); -int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree, +int btrfs_rmap_block(struct btrfs_fs_info *fs_info, u64 chunk_start, u64 physical, u64 devid, u64 **logical, int *naddrs, int *stripe_len); int btrfs_read_sys_array(struct btrfs_root *root); diff --git a/fs/btrfs/xattr.c b/fs/btrfs/xattr.c index d1a177a3dbe8..fccbf5567e78 100644 --- a/fs/btrfs/xattr.c +++ b/fs/btrfs/xattr.c @@ -252,7 +252,7 @@ int __btrfs_setxattr(struct btrfs_trans_handle *trans, goto out; inode_inc_iversion(inode); - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); set_bit(BTRFS_INODE_COPY_EVERYTHING, &BTRFS_I(inode)->runtime_flags); ret = btrfs_update_inode(trans, root, inode); BUG_ON(ret); diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c index 88d274e8ecf2..441b81a3e545 100644 --- a/fs/btrfs/zlib.c +++ b/fs/btrfs/zlib.c @@ -95,7 +95,7 @@ static int zlib_compress_pages(struct list_head *ws, *total_in = 0; if (Z_OK != zlib_deflateInit(&workspace->strm, 3)) { - printk(KERN_WARNING "BTRFS: deflateInit failed\n"); + pr_warn("BTRFS: deflateInit failed\n"); ret = -EIO; goto out; } @@ -123,7 +123,7 @@ static int zlib_compress_pages(struct list_head *ws, while (workspace->strm.total_in < len) { ret = zlib_deflate(&workspace->strm, Z_SYNC_FLUSH); if (ret != Z_OK) { - printk(KERN_DEBUG "BTRFS: deflate in loop returned %d\n", + pr_debug("BTRFS: deflate in loop returned %d\n", ret); zlib_deflateEnd(&workspace->strm); ret = -EIO; @@ -249,7 +249,7 @@ static int zlib_decompress_biovec(struct list_head *ws, struct page **pages_in, } if (Z_OK != zlib_inflateInit2(&workspace->strm, wbits)) { - printk(KERN_WARNING "BTRFS: inflateInit failed\n"); + pr_warn("BTRFS: inflateInit failed\n"); return -EIO; } while (workspace->strm.total_in < srclen) { @@ -339,7 +339,7 @@ static int zlib_decompress(struct list_head *ws, unsigned char *data_in, } if (Z_OK != zlib_inflateInit2(&workspace->strm, wbits)) { - printk(KERN_WARNING "BTRFS: inflateInit failed\n"); + pr_warn("BTRFS: inflateInit failed\n"); return -EIO; } diff --git a/fs/buffer.c b/fs/buffer.c index 9c8eb9b6db6a..b205a629001d 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -351,7 +351,7 @@ void end_buffer_async_write(struct buffer_head *bh, int uptodate) set_buffer_uptodate(bh); } else { buffer_io_error(bh, ", lost async page write"); - set_bit(AS_EIO, &page->mapping->flags); + mapping_set_error(page->mapping, -EIO); set_buffer_write_io_error(bh); clear_buffer_uptodate(bh); SetPageError(page); @@ -1078,7 +1078,7 @@ grow_buffers(struct block_device *bdev, sector_t block, int size, gfp_t gfp) return grow_dev_page(bdev, block, index, size, sizebits, gfp); } -struct buffer_head * +static struct buffer_head * __getblk_slow(struct block_device *bdev, sector_t block, unsigned size, gfp_t gfp) { @@ -1109,7 +1109,6 @@ __getblk_slow(struct block_device *bdev, sector_t block, free_more_memory(); } } -EXPORT_SYMBOL(__getblk_slow); /* * The relationship between dirty buffers and dirty pages: @@ -3250,7 +3249,7 @@ drop_buffers(struct page *page, struct buffer_head **buffers_to_free) bh = head; do { if (buffer_write_io_error(bh) && page->mapping) - set_bit(AS_EIO, &page->mapping->flags); + mapping_set_error(page->mapping, -EIO); if (buffer_busy(bh)) goto failed; bh = bh->b_this_page; diff --git a/fs/cachefiles/bind.c b/fs/cachefiles/bind.c index 6af790fc3df8..3ff867f87d73 100644 --- a/fs/cachefiles/bind.c +++ b/fs/cachefiles/bind.c @@ -20,6 +20,7 @@ #include <linux/mount.h> #include <linux/statfs.h> #include <linux/ctype.h> +#include <linux/xattr.h> #include "internal.h" static int cachefiles_daemon_add_cache(struct cachefiles_cache *caches); @@ -126,8 +127,7 @@ static int cachefiles_daemon_add_cache(struct cachefiles_cache *cache) if (d_is_negative(root) || !d_backing_inode(root)->i_op->lookup || !d_backing_inode(root)->i_op->mkdir || - !d_backing_inode(root)->i_op->setxattr || - !d_backing_inode(root)->i_op->getxattr || + !(d_backing_inode(root)->i_opflags & IOP_XATTR) || !root->d_sb->s_op->statfs || !root->d_sb->s_op->sync_fs) goto error_unsupported; diff --git a/fs/cachefiles/interface.c b/fs/cachefiles/interface.c index ce5f345d70f5..e7f16a77a22a 100644 --- a/fs/cachefiles/interface.c +++ b/fs/cachefiles/interface.c @@ -253,6 +253,8 @@ static void cachefiles_drop_object(struct fscache_object *_object) struct cachefiles_object *object; struct cachefiles_cache *cache; const struct cred *saved_cred; + struct inode *inode; + blkcnt_t i_blocks = 0; ASSERT(_object); @@ -279,6 +281,10 @@ static void cachefiles_drop_object(struct fscache_object *_object) _object != cache->cache.fsdef ) { _debug("- retire object OBJ%x", object->fscache.debug_id); + inode = d_backing_inode(object->dentry); + if (inode) + i_blocks = inode->i_blocks; + cachefiles_begin_secure(cache, &saved_cred); cachefiles_delete_object(cache, object); cachefiles_end_secure(cache, saved_cred); @@ -292,7 +298,7 @@ static void cachefiles_drop_object(struct fscache_object *_object) /* note that the object is now inactive */ if (test_bit(CACHEFILES_OBJECT_ACTIVE, &object->flags)) - cachefiles_mark_object_inactive(cache, object); + cachefiles_mark_object_inactive(cache, object, i_blocks); dput(object->dentry); object->dentry = NULL; diff --git a/fs/cachefiles/internal.h b/fs/cachefiles/internal.h index 2fcde1a34b7c..cd1effee8a49 100644 --- a/fs/cachefiles/internal.h +++ b/fs/cachefiles/internal.h @@ -160,7 +160,8 @@ extern char *cachefiles_cook_key(const u8 *raw, int keylen, uint8_t type); * namei.c */ extern void cachefiles_mark_object_inactive(struct cachefiles_cache *cache, - struct cachefiles_object *object); + struct cachefiles_object *object, + blkcnt_t i_blocks); extern int cachefiles_delete_object(struct cachefiles_cache *cache, struct cachefiles_object *object); extern int cachefiles_walk_to_object(struct cachefiles_object *parent, diff --git a/fs/cachefiles/namei.c b/fs/cachefiles/namei.c index 3f7c2cd41f8f..41df8a27d7eb 100644 --- a/fs/cachefiles/namei.c +++ b/fs/cachefiles/namei.c @@ -20,6 +20,7 @@ #include <linux/namei.h> #include <linux/security.h> #include <linux/slab.h> +#include <linux/xattr.h> #include "internal.h" #define CACHEFILES_KEYBUF_SIZE 512 @@ -261,10 +262,9 @@ requeue: * Mark an object as being inactive. */ void cachefiles_mark_object_inactive(struct cachefiles_cache *cache, - struct cachefiles_object *object) + struct cachefiles_object *object, + blkcnt_t i_blocks) { - blkcnt_t i_blocks = d_backing_inode(object->dentry)->i_blocks; - write_lock(&cache->active_lock); rb_erase(&object->active_node, &cache->active_nodes); clear_bit(CACHEFILES_OBJECT_ACTIVE, &object->flags); @@ -707,7 +707,8 @@ mark_active_timed_out: check_error: _debug("check error %d", ret); - cachefiles_mark_object_inactive(cache, object); + cachefiles_mark_object_inactive( + cache, object, d_backing_inode(object->dentry)->i_blocks); release_dentry: dput(object->dentry); object->dentry = NULL; @@ -799,13 +800,11 @@ struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache, } ret = -EPERM; - if (!d_backing_inode(subdir)->i_op->setxattr || - !d_backing_inode(subdir)->i_op->getxattr || + if (!(d_backing_inode(subdir)->i_opflags & IOP_XATTR) || !d_backing_inode(subdir)->i_op->lookup || !d_backing_inode(subdir)->i_op->mkdir || !d_backing_inode(subdir)->i_op->create || - (!d_backing_inode(subdir)->i_op->rename && - !d_backing_inode(subdir)->i_op->rename2) || + !d_backing_inode(subdir)->i_op->rename || !d_backing_inode(subdir)->i_op->rmdir || !d_backing_inode(subdir)->i_op->unlink) goto check_error; diff --git a/fs/ceph/acl.c b/fs/ceph/acl.c index 4f67227f69a5..987044bca1c2 100644 --- a/fs/ceph/acl.c +++ b/fs/ceph/acl.c @@ -95,11 +95,9 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - ret = posix_acl_equiv_mode(acl, &new_mode); - if (ret < 0) + ret = posix_acl_update_mode(inode, &new_mode, &acl); + if (ret) goto out; - if (ret == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: @@ -127,6 +125,11 @@ int ceph_set_acl(struct inode *inode, struct posix_acl *acl, int type) goto out_free; } + if (ceph_snap(inode) != CEPH_NOSNAP) { + ret = -EROFS; + goto out_free; + } + if (new_mode != old_mode) { newattrs.ia_mode = new_mode; newattrs.ia_valid = ATTR_MODE; diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c index d5b6f959a3c3..ef3ebd780aff 100644 --- a/fs/ceph/addr.c +++ b/fs/ceph/addr.c @@ -175,9 +175,8 @@ static void ceph_invalidatepage(struct page *page, unsigned int offset, static int ceph_releasepage(struct page *page, gfp_t g) { - dout("%p releasepage %p idx %lu\n", page->mapping->host, - page, page->index); - WARN_ON(PageDirty(page)); + dout("%p releasepage %p idx %lu (%sdirty)\n", page->mapping->host, + page, page->index, PageDirty(page) ? "" : "not "); /* Can we release the page from the cache? */ if (!ceph_release_fscache_page(page, g)) @@ -298,14 +297,6 @@ unlock: kfree(osd_data->pages); } -static void ceph_unlock_page_vector(struct page **pages, int num_pages) -{ - int i; - - for (i = 0; i < num_pages; i++) - unlock_page(pages[i]); -} - /* * start an async read(ahead) operation. return nr_pages we submitted * a read for on success, or negative error code. @@ -370,6 +361,10 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max) dout("start_read %p add_to_page_cache failed %p\n", inode, page); nr_pages = i; + if (nr_pages > 0) { + len = nr_pages << PAGE_SHIFT; + break; + } goto out_pages; } pages[i] = page; @@ -386,8 +381,11 @@ static int start_read(struct inode *inode, struct list_head *page_list, int max) return nr_pages; out_pages: - ceph_unlock_page_vector(pages, nr_pages); - ceph_release_page_vector(pages, nr_pages); + for (i = 0; i < nr_pages; ++i) { + ceph_fscache_readpage_cancel(inode, pages[i]); + unlock_page(pages[i]); + } + ceph_put_page_vector(pages, nr_pages, false); out: ceph_osdc_put_request(req); return ret; diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c index df4b3e6fa563..78180d151730 100644 --- a/fs/ceph/dir.c +++ b/fs/ceph/dir.c @@ -1061,7 +1061,8 @@ out: } static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct ceph_fs_client *fsc = ceph_sb_to_client(old_dir->i_sb); struct ceph_mds_client *mdsc = fsc->mdsc; @@ -1069,6 +1070,9 @@ static int ceph_rename(struct inode *old_dir, struct dentry *old_dentry, int op = CEPH_MDS_OP_RENAME; int err; + if (flags) + return -EINVAL; + if (ceph_snap(old_dir) != ceph_snap(new_dir)) return -EXDEV; if (ceph_snap(old_dir) != CEPH_NOSNAP) { @@ -1486,10 +1490,7 @@ const struct inode_operations ceph_dir_iops = { .permission = ceph_permission, .getattr = ceph_getattr, .setattr = ceph_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ceph_listxattr, - .removexattr = generic_removexattr, .get_acl = ceph_get_acl, .set_acl = ceph_set_acl, .mknod = ceph_mknod, diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 0f5375d8e030..7bf08825cc11 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -886,7 +886,7 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter, int num_pages = 0; int flags; int ret; - struct timespec mtime = current_fs_time(inode->i_sb); + struct timespec mtime = current_time(inode); size_t count = iov_iter_count(iter); loff_t pos = iocb->ki_pos; bool write = iov_iter_rw(iter) == WRITE; @@ -902,10 +902,10 @@ ceph_direct_read_write(struct kiocb *iocb, struct iov_iter *iter, return ret; if (write) { - ret = invalidate_inode_pages2_range(inode->i_mapping, + int ret2 = invalidate_inode_pages2_range(inode->i_mapping, pos >> PAGE_SHIFT, (pos + count) >> PAGE_SHIFT); - if (ret < 0) + if (ret2 < 0) dout("invalidate_inode_pages2_range returned %d\n", ret); flags = CEPH_OSD_FLAG_ORDERSNAP | @@ -1091,7 +1091,7 @@ ceph_sync_write(struct kiocb *iocb, struct iov_iter *from, loff_t pos, int flags; int check_caps = 0; int ret; - struct timespec mtime = current_fs_time(inode->i_sb); + struct timespec mtime = current_time(inode); size_t count = iov_iter_count(from); if (ceph_snap(file_inode(file)) != CEPH_NOSNAP) diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c index dd3a6dbf71eb..bca1b49c1c4b 100644 --- a/fs/ceph/inode.c +++ b/fs/ceph/inode.c @@ -94,10 +94,7 @@ const struct inode_operations ceph_file_iops = { .permission = ceph_permission, .setattr = ceph_setattr, .getattr = ceph_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ceph_listxattr, - .removexattr = generic_removexattr, .get_acl = ceph_get_acl, .set_acl = ceph_set_acl, }; @@ -1885,10 +1882,7 @@ static const struct inode_operations ceph_symlink_iops = { .get_link = simple_get_link, .setattr = ceph_setattr, .getattr = ceph_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ceph_listxattr, - .removexattr = generic_removexattr, }; int __ceph_setattr(struct inode *inode, struct iattr *attr) @@ -1905,13 +1899,6 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) int inode_dirty_flags = 0; bool lock_snap_rwsem = false; - if (ceph_snap(inode) != CEPH_NOSNAP) - return -EROFS; - - err = inode_change_ok(inode, attr); - if (err != 0) - return err; - prealloc_cf = ceph_alloc_cap_flush(); if (!prealloc_cf) return -ENOMEM; @@ -2080,7 +2067,7 @@ int __ceph_setattr(struct inode *inode, struct iattr *attr) if (dirtied) { inode_dirty_flags = __ceph_mark_dirty_caps(ci, dirtied, &prealloc_cf); - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); } release &= issued; @@ -2124,7 +2111,17 @@ out_put: */ int ceph_setattr(struct dentry *dentry, struct iattr *attr) { - return __ceph_setattr(d_inode(dentry), attr); + struct inode *inode = d_inode(dentry); + int err; + + if (ceph_snap(inode) != CEPH_NOSNAP) + return -EROFS; + + err = setattr_prepare(dentry, attr); + if (err != 0) + return err; + + return __ceph_setattr(inode, attr); } /* diff --git a/fs/ceph/locks.c b/fs/ceph/locks.c index a2cb0c254060..6806dbeaee19 100644 --- a/fs/ceph/locks.c +++ b/fs/ceph/locks.c @@ -210,8 +210,8 @@ int ceph_flock(struct file *file, int cmd, struct file_lock *fl) if (!(fl->fl_flags & FL_FLOCK)) return -ENOLCK; /* No mandatory locks */ - if (__mandatory_lock(file->f_mapping->host) && fl->fl_type != F_UNLCK) - return -ENOLCK; + if (fl->fl_type & LOCK_MAND) + return -EOPNOTSUPP; dout("ceph_flock, fl_file: %p", fl->fl_file); diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c index f72d4ae303b2..815acd1a56d4 100644 --- a/fs/ceph/mds_client.c +++ b/fs/ceph/mds_client.c @@ -370,6 +370,7 @@ const char *ceph_session_state_name(int s) case CEPH_MDS_SESSION_CLOSING: return "closing"; case CEPH_MDS_SESSION_RESTARTING: return "restarting"; case CEPH_MDS_SESSION_RECONNECTING: return "reconnecting"; + case CEPH_MDS_SESSION_REJECTED: return "rejected"; default: return "???"; } } @@ -1150,8 +1151,7 @@ static int remove_session_caps_cb(struct inode *inode, struct ceph_cap *cap, while (!list_empty(&ci->i_cap_flush_list)) { cf = list_first_entry(&ci->i_cap_flush_list, struct ceph_cap_flush, i_list); - list_del(&cf->i_list); - list_add(&cf->i_list, &to_remove); + list_move(&cf->i_list, &to_remove); } spin_lock(&mdsc->cap_dirty_lock); @@ -1378,7 +1378,7 @@ static int request_close_session(struct ceph_mds_client *mdsc, if (!msg) return -ENOMEM; ceph_con_send(&session->s_con, msg); - return 0; + return 1; } /* @@ -2131,6 +2131,10 @@ static int __do_request(struct ceph_mds_client *mdsc, ceph_session_state_name(session->s_state)); if (session->s_state != CEPH_MDS_SESSION_OPEN && session->s_state != CEPH_MDS_SESSION_HUNG) { + if (session->s_state == CEPH_MDS_SESSION_REJECTED) { + err = -EACCES; + goto out_session; + } if (session->s_state == CEPH_MDS_SESSION_NEW || session->s_state == CEPH_MDS_SESSION_CLOSING) __open_session(mdsc, session); @@ -2652,6 +2656,15 @@ static void handle_session(struct ceph_mds_session *session, wake_up_session_caps(session, 0); break; + case CEPH_SESSION_REJECT: + WARN_ON(session->s_state != CEPH_MDS_SESSION_OPENING); + pr_info("mds%d rejected session\n", session->s_mds); + session->s_state = CEPH_MDS_SESSION_REJECTED; + cleanup_session_requests(mdsc, session); + remove_session_caps(session); + wake = 2; /* for good measure */ + break; + default: pr_err("mdsc_handle_session bad op %d mds%d\n", op, mds); WARN_ON(1); @@ -3557,11 +3570,11 @@ void ceph_mdsc_sync(struct ceph_mds_client *mdsc) /* * true if all sessions are closed, or we force unmount */ -static bool done_closing_sessions(struct ceph_mds_client *mdsc) +static bool done_closing_sessions(struct ceph_mds_client *mdsc, int skipped) { if (ACCESS_ONCE(mdsc->fsc->mount_state) == CEPH_MOUNT_SHUTDOWN) return true; - return atomic_read(&mdsc->num_sessions) == 0; + return atomic_read(&mdsc->num_sessions) <= skipped; } /* @@ -3572,6 +3585,7 @@ void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc) struct ceph_options *opts = mdsc->fsc->client->options; struct ceph_mds_session *session; int i; + int skipped = 0; dout("close_sessions\n"); @@ -3583,7 +3597,8 @@ void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc) continue; mutex_unlock(&mdsc->mutex); mutex_lock(&session->s_mutex); - __close_session(mdsc, session); + if (__close_session(mdsc, session) <= 0) + skipped++; mutex_unlock(&session->s_mutex); ceph_put_mds_session(session); mutex_lock(&mdsc->mutex); @@ -3591,7 +3606,8 @@ void ceph_mdsc_close_sessions(struct ceph_mds_client *mdsc) mutex_unlock(&mdsc->mutex); dout("waiting for sessions to close\n"); - wait_event_timeout(mdsc->session_close_wq, done_closing_sessions(mdsc), + wait_event_timeout(mdsc->session_close_wq, + done_closing_sessions(mdsc, skipped), ceph_timeout_jiffies(opts->mount_timeout)); /* tear down remaining sessions */ diff --git a/fs/ceph/mds_client.h b/fs/ceph/mds_client.h index 6b3679737d4a..3c6f77b7bb02 100644 --- a/fs/ceph/mds_client.h +++ b/fs/ceph/mds_client.h @@ -121,6 +121,7 @@ enum { CEPH_MDS_SESSION_CLOSING = 5, CEPH_MDS_SESSION_RESTARTING = 6, CEPH_MDS_SESSION_RECONNECTING = 7, + CEPH_MDS_SESSION_REJECTED = 8, }; struct ceph_mds_session { diff --git a/fs/ceph/strings.c b/fs/ceph/strings.c index 89e6bc321df3..913dea163d5c 100644 --- a/fs/ceph/strings.c +++ b/fs/ceph/strings.c @@ -43,6 +43,8 @@ const char *ceph_session_op_name(int op) case CEPH_SESSION_RECALL_STATE: return "recall_state"; case CEPH_SESSION_FLUSHMSG: return "flushmsg"; case CEPH_SESSION_FLUSHMSG_ACK: return "flushmsg_ack"; + case CEPH_SESSION_FORCE_RO: return "force_ro"; + case CEPH_SESSION_REJECT: return "reject"; } return "???"; } diff --git a/fs/ceph/super.c b/fs/ceph/super.c index e247f6f0feb7..a29ffce98187 100644 --- a/fs/ceph/super.c +++ b/fs/ceph/super.c @@ -396,10 +396,12 @@ static int parse_mount_options(struct ceph_mount_options **pfsopt, */ dev_name_end = strchr(dev_name, '/'); if (dev_name_end) { - fsopt->server_path = kstrdup(dev_name_end, GFP_KERNEL); - if (!fsopt->server_path) { - err = -ENOMEM; - goto out; + if (strlen(dev_name_end) > 1) { + fsopt->server_path = kstrdup(dev_name_end, GFP_KERNEL); + if (!fsopt->server_path) { + err = -ENOMEM; + goto out; + } } } else { dev_name_end = dev_name + strlen(dev_name); @@ -788,15 +790,10 @@ static struct dentry *open_root_dentry(struct ceph_fs_client *fsc, struct inode *inode = req->r_target_inode; req->r_target_inode = NULL; dout("open_root_inode success\n"); - if (ceph_ino(inode) == CEPH_INO_ROOT && - fsc->sb->s_root == NULL) { - root = d_make_root(inode); - if (!root) { - root = ERR_PTR(-ENOMEM); - goto out; - } - } else { - root = d_obtain_root(inode); + root = d_make_root(inode); + if (!root) { + root = ERR_PTR(-ENOMEM); + goto out; } ceph_init_dentry(root); dout("open_root_inode success, root dentry is %p\n", root); @@ -825,17 +822,24 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc) mutex_lock(&fsc->client->mount_mutex); if (!fsc->sb->s_root) { + const char *path; err = __ceph_open_session(fsc->client, started); if (err < 0) goto out; - dout("mount opening root\n"); - root = open_root_dentry(fsc, "", started); + if (!fsc->mount_options->server_path) { + path = ""; + dout("mount opening path \\t\n"); + } else { + path = fsc->mount_options->server_path + 1; + dout("mount opening path %s\n", path); + } + root = open_root_dentry(fsc, path, started); if (IS_ERR(root)) { err = PTR_ERR(root); goto out; } - fsc->sb->s_root = root; + fsc->sb->s_root = dget(root); first = 1; err = ceph_fs_debugfs_init(fsc); @@ -843,19 +847,6 @@ static struct dentry *ceph_real_mount(struct ceph_fs_client *fsc) goto fail; } - if (!fsc->mount_options->server_path) { - root = fsc->sb->s_root; - dget(root); - } else { - const char *path = fsc->mount_options->server_path + 1; - dout("mount opening path %s\n", path); - root = open_root_dentry(fsc, path, started); - if (IS_ERR(root)) { - err = PTR_ERR(root); - goto fail; - } - } - fsc->mount_state = CEPH_MOUNT_MOUNTED; dout("mount success\n"); mutex_unlock(&fsc->client->mount_mutex); diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c index adc231892b0d..40b703217977 100644 --- a/fs/ceph/xattr.c +++ b/fs/ceph/xattr.c @@ -1034,7 +1034,7 @@ retry: dirty = __ceph_mark_dirty_caps(ci, CEPH_CAP_XATTR_EXCL, &prealloc_cf); ci->i_xattrs.dirty = true; - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); } spin_unlock(&ci->i_ceph_lock); diff --git a/fs/char_dev.c b/fs/char_dev.c index 6edd825231c5..44a240c4bb65 100644 --- a/fs/char_dev.c +++ b/fs/char_dev.c @@ -406,6 +406,7 @@ void cd_forget(struct inode *inode) spin_lock(&cdev_lock); list_del_init(&inode->i_devices); inode->i_cdev = NULL; + inode->i_mapping = &inode->i_data; spin_unlock(&cdev_lock); } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index 14ae4b8e1a3c..cca04e710421 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -896,35 +896,26 @@ const struct inode_operations cifs_dir_inode_ops = { .link = cifs_hardlink, .mkdir = cifs_mkdir, .rmdir = cifs_rmdir, - .rename2 = cifs_rename2, + .rename = cifs_rename2, .permission = cifs_permission, .setattr = cifs_setattr, .symlink = cifs_symlink, .mknod = cifs_mknod, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = cifs_listxattr, - .removexattr = generic_removexattr, }; const struct inode_operations cifs_file_inode_ops = { .setattr = cifs_setattr, .getattr = cifs_getattr, .permission = cifs_permission, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = cifs_listxattr, - .removexattr = generic_removexattr, }; const struct inode_operations cifs_symlink_inode_ops = { .readlink = generic_readlink, .get_link = cifs_get_link, .permission = cifs_permission, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = cifs_listxattr, - .removexattr = generic_removexattr, }; static int cifs_clone_file_range(struct file *src_file, loff_t off, diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 9dcf974acc47..c9c00a862036 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -41,6 +41,16 @@ cifs_uniqueid_to_ino_t(u64 fileid) } +static inline void cifs_set_time(struct dentry *dentry, unsigned long time) +{ + dentry->d_fsdata = (void *) time; +} + +static inline unsigned long cifs_get_time(struct dentry *dentry) +{ + return (unsigned long) dentry->d_fsdata; +} + extern struct file_system_type cifs_fs_type; extern const struct address_space_operations cifs_addr_ops; extern const struct address_space_operations cifs_addr_ops_smallbuf; diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 95dab43646f0..4ead72a001f9 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -392,8 +392,7 @@ extern int CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, char **buf, int *return_buf_type); extern int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, - unsigned int *nbytes, const char *buf, - const char __user *ubuf, const int long_op); + unsigned int *nbytes, const char *buf); extern int CIFSSMBWrite2(const unsigned int xid, struct cifs_io_parms *io_parms, unsigned int *nbytes, struct kvec *iov, const int nvec); extern int CIFSGetSrvInodeNumber(const unsigned int xid, struct cifs_tcon *tcon, diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index d47197ea4ab6..f82d2823622f 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1228,7 +1228,6 @@ OldOpenRetry: inc_rfc1001_len(pSMB, count); pSMB->ByteCount = cpu_to_le16(count); - /* long_op set to 1 to allow for oplock break timeouts */ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, (struct smb_hdr *)pSMBr, &bytes_returned, 0); cifs_stats_inc(&tcon->stats.cifs_stats.num_opens); @@ -1768,8 +1767,7 @@ CIFSSMBRead(const unsigned int xid, struct cifs_io_parms *io_parms, int CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, - unsigned int *nbytes, const char *buf, - const char __user *ubuf, const int long_op) + unsigned int *nbytes, const char *buf) { int rc = -EACCES; WRITE_REQ *pSMB = NULL; @@ -1838,12 +1836,7 @@ CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, cpu_to_le16(offsetof(struct smb_com_write_req, Data) - 4); if (buf) memcpy(pSMB->Data, buf, bytes_sent); - else if (ubuf) { - if (copy_from_user(pSMB->Data, ubuf, bytes_sent)) { - cifs_buf_release(pSMB); - return -EFAULT; - } - } else if (count != 0) { + else if (count != 0) { /* No buffer */ cifs_buf_release(pSMB); return -EINVAL; @@ -1867,7 +1860,7 @@ CIFSSMBWrite(const unsigned int xid, struct cifs_io_parms *io_parms, } rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, - (struct smb_hdr *) pSMBr, &bytes_returned, long_op); + (struct smb_hdr *) pSMBr, &bytes_returned, 0); cifs_stats_inc(&tcon->stats.cifs_stats.num_writes); if (rc) { cifs_dbg(FYI, "Send error in write = %d\n", rc); @@ -3334,7 +3327,7 @@ CIFSSMB_set_compression(const unsigned int xid, struct cifs_tcon *tcon, #ifdef CONFIG_CIFS_POSIX /*Convert an Access Control Entry from wire format to local POSIX xattr format*/ -static void cifs_convert_ace(posix_acl_xattr_entry *ace, +static void cifs_convert_ace(struct posix_acl_xattr_entry *ace, struct cifs_posix_ace *cifs_ace) { /* u8 cifs fields do not need le conversion */ @@ -3358,7 +3351,7 @@ static int cifs_copy_posix_acl(char *trgt, char *src, const int buflen, __u16 count; struct cifs_posix_ace *pACE; struct cifs_posix_acl *cifs_acl = (struct cifs_posix_acl *)src; - posix_acl_xattr_header *local_acl = (posix_acl_xattr_header *)trgt; + struct posix_acl_xattr_header *local_acl = (void *)trgt; if (le16_to_cpu(cifs_acl->version) != CIFS_ACL_VERSION) return -EOPNOTSUPP; @@ -3396,9 +3389,11 @@ static int cifs_copy_posix_acl(char *trgt, char *src, const int buflen, } else if (size > buflen) { return -ERANGE; } else /* buffer big enough */ { + struct posix_acl_xattr_entry *ace = (void *)(local_acl + 1); + local_acl->a_version = cpu_to_le32(POSIX_ACL_XATTR_VERSION); for (i = 0; i < count ; i++) { - cifs_convert_ace(&local_acl->a_entries[i], pACE); + cifs_convert_ace(&ace[i], pACE); pACE++; } } @@ -3406,7 +3401,7 @@ static int cifs_copy_posix_acl(char *trgt, char *src, const int buflen, } static __u16 convert_ace_to_cifs_ace(struct cifs_posix_ace *cifs_ace, - const posix_acl_xattr_entry *local_ace) + const struct posix_acl_xattr_entry *local_ace) { __u16 rc = 0; /* 0 = ACL converted ok */ @@ -3431,7 +3426,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL, { __u16 rc = 0; struct cifs_posix_acl *cifs_acl = (struct cifs_posix_acl *)parm_data; - posix_acl_xattr_header *local_acl = (posix_acl_xattr_header *)pACL; + struct posix_acl_xattr_header *local_acl = (void *)pACL; int count; int i; @@ -3459,7 +3454,7 @@ static __u16 ACL_to_cifs_posix(char *parm_data, const char *pACL, } for (i = 0; i < count; i++) { rc = convert_ace_to_cifs_ace(&cifs_acl->ace_array[i], - &local_acl->a_entries[i]); + (struct posix_acl_xattr_entry *)(local_acl + 1)); if (rc != 0) { /* ACE not converted */ break; diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c index 4716c54dbfc6..789ff1df2d8d 100644 --- a/fs/cifs/dir.c +++ b/fs/cifs/dir.c @@ -40,7 +40,7 @@ renew_parental_timestamps(struct dentry *direntry) /* BB check if there is a way to get the kernel to do this or if we really need this */ do { - direntry->d_time = jiffies; + cifs_set_time(direntry, jiffies); direntry = direntry->d_parent; } while (!IS_ROOT(direntry)); } @@ -802,7 +802,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry, } else if (rc == -ENOENT) { rc = 0; - direntry->d_time = jiffies; + cifs_set_time(direntry, jiffies); d_add(direntry, NULL); /* if it was once a directory (but how can we tell?) we could do shrink_dcache_parent(direntry); */ @@ -862,7 +862,7 @@ cifs_d_revalidate(struct dentry *direntry, unsigned int flags) if (flags & (LOOKUP_CREATE | LOOKUP_RENAME_TARGET)) return 0; - if (time_after(jiffies, direntry->d_time + HZ) || !lookupCacheEnabled) + if (time_after(jiffies, cifs_get_time(direntry) + HZ) || !lookupCacheEnabled) return 0; return 1; diff --git a/fs/cifs/file.c b/fs/cifs/file.c index 579e41b350a2..a95fe8b1afe9 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -1878,7 +1878,7 @@ static int cifs_partialpagewrite(struct page *page, unsigned from, unsigned to) write_data, to - from, &offset); cifsFileInfo_put(open_file); /* Does mm or vfs already set times? */ - inode->i_atime = inode->i_mtime = current_fs_time(inode->i_sb); + inode->i_atime = inode->i_mtime = current_time(inode); if ((bytes_written > 0) && (offset)) rc = 0; else if (bytes_written < 0) @@ -2478,7 +2478,7 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, size_t cur_len; unsigned long nr_pages, num_pages, i; struct cifs_writedata *wdata; - struct iov_iter saved_from; + struct iov_iter saved_from = *from; loff_t saved_offset = offset; pid_t pid; struct TCP_Server_Info *server; @@ -2489,7 +2489,6 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, pid = current->tgid; server = tlink_tcon(open_file->tlink)->ses->server; - memcpy(&saved_from, from, sizeof(struct iov_iter)); do { unsigned int wsize, credits; @@ -2551,8 +2550,7 @@ cifs_write_from_iter(loff_t offset, size_t len, struct iov_iter *from, kref_put(&wdata->refcount, cifs_uncached_writedata_release); if (rc == -EAGAIN) { - memcpy(from, &saved_from, - sizeof(struct iov_iter)); + *from = saved_from; iov_iter_advance(from, offset - saved_offset); continue; } @@ -2576,7 +2574,7 @@ ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from) struct cifs_sb_info *cifs_sb; struct cifs_writedata *wdata, *tmp; struct list_head wdata_list; - struct iov_iter saved_from; + struct iov_iter saved_from = *from; int rc; /* @@ -2597,8 +2595,6 @@ ssize_t cifs_user_writev(struct kiocb *iocb, struct iov_iter *from) if (!tcon->ses->server->ops->async_writev) return -ENOSYS; - memcpy(&saved_from, from, sizeof(struct iov_iter)); - rc = cifs_write_from_iter(iocb->ki_pos, iov_iter_count(from), from, open_file, cifs_sb, &wdata_list); @@ -2631,13 +2627,11 @@ restart_loop: /* resend call if it's a retryable error */ if (rc == -EAGAIN) { struct list_head tmp_list; - struct iov_iter tmp_from; + struct iov_iter tmp_from = saved_from; INIT_LIST_HEAD(&tmp_list); list_del_init(&wdata->list); - memcpy(&tmp_from, &saved_from, - sizeof(struct iov_iter)); iov_iter_advance(&tmp_from, wdata->offset - iocb->ki_pos); @@ -3571,7 +3565,7 @@ static int cifs_readpage_worker(struct file *file, struct page *page, cifs_dbg(FYI, "Bytes read %d\n", rc); file_inode(file)->i_atime = - current_fs_time(file_inode(file)->i_sb); + current_time(file_inode(file)); if (PAGE_SIZE > rc) memset(read_data + rc, 0, PAGE_SIZE - rc); diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c index b87efd0c92d6..7ab5be7944aa 100644 --- a/fs/cifs/inode.c +++ b/fs/cifs/inode.c @@ -1951,7 +1951,7 @@ int cifs_revalidate_dentry_attr(struct dentry *dentry) cifs_dbg(FYI, "Update attributes: %s inode 0x%p count %d dentry: 0x%p d_time %ld jiffies %ld\n", full_path, inode, inode->i_count.counter, - dentry, dentry->d_time, jiffies); + dentry, cifs_get_time(dentry), jiffies); if (cifs_sb_master_tcon(CIFS_SB(sb))->unix_ext) rc = cifs_get_inode_info_unix(&inode, full_path, sb, xid); @@ -2154,7 +2154,7 @@ cifs_setattr_unix(struct dentry *direntry, struct iattr *attrs) if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) attrs->ia_valid |= ATTR_FORCE; - rc = inode_change_ok(inode, attrs); + rc = setattr_prepare(direntry, attrs); if (rc < 0) goto out; @@ -2294,7 +2294,7 @@ cifs_setattr_nounix(struct dentry *direntry, struct iattr *attrs) if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_NO_PERM) attrs->ia_valid |= ATTR_FORCE; - rc = inode_change_ok(inode, attrs); + rc = setattr_prepare(direntry, attrs); if (rc < 0) { free_xid(xid); return rc; diff --git a/fs/cifs/link.c b/fs/cifs/link.c index 062c2375549a..d031af8d3d4d 100644 --- a/fs/cifs/link.c +++ b/fs/cifs/link.c @@ -399,7 +399,7 @@ cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, io_parms.offset = 0; io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE; - rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf, NULL, 0); + rc = CIFSSMBWrite(xid, &io_parms, pbytes_written, pbuf); CIFSSMBClose(xid, tcon, fid.netfid); return rc; } diff --git a/fs/coda/dir.c b/fs/coda/dir.c index 6fb8672c0892..c0474ac6cbf2 100644 --- a/fs/coda/dir.c +++ b/fs/coda/dir.c @@ -109,7 +109,7 @@ static inline void coda_dir_update_mtime(struct inode *dir) /* optimistically we can also act as if our nose bleeds. The * granularity of the mtime is coarse anyways so we might actually be * right most of the time. Note: we only do this for directories. */ - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); #endif } @@ -291,7 +291,8 @@ static int coda_rmdir(struct inode *dir, struct dentry *de) /* rename */ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { const char *old_name = old_dentry->d_name.name; const char *new_name = new_dentry->d_name.name; @@ -299,6 +300,9 @@ static int coda_rename(struct inode *old_dir, struct dentry *old_dentry, int new_length = new_dentry->d_name.len; int error; + if (flags) + return -EINVAL; + error = venus_rename(old_dir->i_sb, coda_i2f(old_dir), coda_i2f(new_dir), old_length, new_length, (const char *) old_name, (const char *)new_name); diff --git a/fs/coda/file.c b/fs/coda/file.c index 8415d4f8d1a1..6e0154eb6fcc 100644 --- a/fs/coda/file.c +++ b/fs/coda/file.c @@ -54,7 +54,7 @@ coda_file_write_iter(struct kiocb *iocb, struct iov_iter *to) ret = vfs_iter_write(cfi->cfi_container, to, &iocb->ki_pos); coda_inode->i_size = file_inode(host_file)->i_size; coda_inode->i_blocks = (coda_inode->i_size + 511) >> 9; - coda_inode->i_mtime = coda_inode->i_ctime = CURRENT_TIME_SEC; + coda_inode->i_mtime = coda_inode->i_ctime = current_time(coda_inode); inode_unlock(coda_inode); file_end_write(host_file); return ret; diff --git a/fs/coda/inode.c b/fs/coda/inode.c index 57e81cbba0fa..71dbe7e287ce 100644 --- a/fs/coda/inode.c +++ b/fs/coda/inode.c @@ -271,7 +271,7 @@ int coda_setattr(struct dentry *de, struct iattr *iattr) memset(&vattr, 0, sizeof(vattr)); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); coda_iattr_to_vattr(iattr, &vattr); vattr.va_type = C_VNON; /* cannot set type */ diff --git a/fs/compat.c b/fs/compat.c index be6e48b0a46c..bd064a2c3550 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -54,20 +54,6 @@ #include <asm/ioctls.h> #include "internal.h" -int compat_log = 1; - -int compat_printk(const char *fmt, ...) -{ - va_list ap; - int ret; - if (!compat_log) - return 0; - va_start(ap, fmt); - ret = vprintk(fmt, ap); - va_end(ap); - return ret; -} - /* * Not all architectures have sys_utime, so implement this in terms * of sys_utimes. @@ -562,7 +548,7 @@ ssize_t compat_rw_copy_check_uvector(int type, goto out; ret = -EINVAL; - if (nr_segs > UIO_MAXIOV || nr_segs < 0) + if (nr_segs > UIO_MAXIOV) goto out; if (nr_segs > fast_segs) { ret = -ENOMEM; diff --git a/fs/configfs/inode.c b/fs/configfs/inode.c index 0387968e6f47..ad718e5e37bb 100644 --- a/fs/configfs/inode.c +++ b/fs/configfs/inode.c @@ -76,7 +76,7 @@ int configfs_setattr(struct dentry * dentry, struct iattr * iattr) sd_iattr->ia_uid = GLOBAL_ROOT_UID; sd_iattr->ia_gid = GLOBAL_ROOT_GID; sd_iattr->ia_atime = sd_iattr->ia_mtime = - sd_iattr->ia_ctime = current_fs_time(inode->i_sb); + sd_iattr->ia_ctime = current_time(inode); sd->s_iattr = sd_iattr; } /* attributes were changed atleast once in past */ @@ -113,7 +113,7 @@ static inline void set_default_inode_attr(struct inode * inode, umode_t mode) { inode->i_mode = mode; inode->i_atime = inode->i_mtime = - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); } static inline void set_inode_attr(struct inode * inode, struct iattr * iattr) @@ -197,7 +197,7 @@ int configfs_create(struct dentry * dentry, umode_t mode, void (*init)(struct in return -ENOMEM; p_inode = d_inode(dentry->d_parent); - p_inode->i_mtime = p_inode->i_ctime = current_fs_time(p_inode->i_sb); + p_inode->i_mtime = p_inode->i_ctime = current_time(p_inode); configfs_set_inode_lock_class(sd, inode); init(inode); diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 72361baf9da7..f17fcf89e18e 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -45,7 +45,7 @@ static struct inode *debugfs_get_inode(struct super_block *sb) if (inode) { inode->i_ino = get_next_ino(); inode->i_atime = inode->i_mtime = - inode->i_ctime = current_fs_time(sb); + inode->i_ctime = current_time(inode); } return inode; } @@ -748,7 +748,7 @@ struct dentry *debugfs_rename(struct dentry *old_dir, struct dentry *old_dentry, old_name = fsnotify_oldname_init(old_dentry->d_name.name); error = simple_rename(d_inode(old_dir), old_dentry, d_inode(new_dir), - dentry); + dentry, 0); if (error) { fsnotify_oldname_free(old_name); goto exit; diff --git a/fs/devpts/inode.c b/fs/devpts/inode.c index 442d1a7e671b..108df2e3602c 100644 --- a/fs/devpts/inode.c +++ b/fs/devpts/inode.c @@ -300,7 +300,7 @@ static int mknod_ptmx(struct super_block *sb) } inode->i_ino = 2; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); mode = S_IFCHR|opts->ptmxmode; init_special_inode(inode, mode, MKDEV(TTYAUX_MAJOR, 2)); @@ -412,7 +412,7 @@ devpts_fill_super(struct super_block *s, void *data, int silent) if (!inode) goto fail; inode->i_ino = 1; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_mode = S_IFDIR | S_IRUGO | S_IXUGO | S_IWUSR; inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; @@ -540,7 +540,7 @@ struct dentry *devpts_pty_new(struct pts_fs_info *fsi, int index, void *priv) inode->i_ino = index + 3; inode->i_uid = opts->setuid ? opts->uid : current_fsuid(); inode->i_gid = opts->setgid ? opts->gid : current_fsgid(); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); init_special_inode(inode, S_IFCHR|opts->mode, MKDEV(UNIX98_PTY_SLAVE_MAJOR, index)); sprintf(s, "%d", index); diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 963016c8f3d1..609998de533e 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -1656,16 +1656,12 @@ void dlm_lowcomms_stop(void) mutex_lock(&connections_lock); dlm_allow_conn = 0; foreach_conn(stop_conn); + clean_writequeues(); + foreach_conn(free_conn); mutex_unlock(&connections_lock); work_stop(); - mutex_lock(&connections_lock); - clean_writequeues(); - - foreach_conn(free_conn); - - mutex_unlock(&connections_lock); kmem_cache_destroy(con_cache); } diff --git a/fs/ecryptfs/ecryptfs_kernel.h b/fs/ecryptfs/ecryptfs_kernel.h index 4ba1547bb9ad..599a29237cfe 100644 --- a/fs/ecryptfs/ecryptfs_kernel.h +++ b/fs/ecryptfs/ecryptfs_kernel.h @@ -715,4 +715,6 @@ int ecryptfs_set_f_namelen(long *namelen, long lower_namelen, int ecryptfs_derive_iv(char *iv, struct ecryptfs_crypt_stat *crypt_stat, loff_t offset); +extern const struct xattr_handler *ecryptfs_xattr_handlers[]; + #endif /* #ifndef ECRYPTFS_KERNEL_H */ diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index 9d153b6a1d72..cf390dceddd2 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -577,7 +577,8 @@ out: static int ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int rc; struct dentry *lower_old_dentry; @@ -587,6 +588,9 @@ ecryptfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct dentry *trap = NULL; struct inode *target_inode; + if (flags) + return -EINVAL; + lower_old_dentry = ecryptfs_dentry_to_lower(old_dentry); lower_new_dentry = ecryptfs_dentry_to_lower(new_dentry); dget(lower_old_dentry); @@ -927,7 +931,7 @@ static int ecryptfs_setattr(struct dentry *dentry, struct iattr *ia) } mutex_unlock(&crypt_stat->cs_mutex); - rc = inode_change_ok(inode, ia); + rc = setattr_prepare(dentry, ia); if (rc) goto out; if (ia->ia_valid & ATTR_SIZE) { @@ -1005,15 +1009,14 @@ ecryptfs_setxattr(struct dentry *dentry, struct inode *inode, const char *name, const void *value, size_t size, int flags) { - int rc = 0; + int rc; struct dentry *lower_dentry; lower_dentry = ecryptfs_dentry_to_lower(dentry); - if (!d_inode(lower_dentry)->i_op->setxattr) { + if (!(d_inode(lower_dentry)->i_opflags & IOP_XATTR)) { rc = -EOPNOTSUPP; goto out; } - rc = vfs_setxattr(lower_dentry, name, value, size, flags); if (!rc && inode) fsstack_copy_attr_all(inode, d_inode(lower_dentry)); @@ -1025,15 +1028,14 @@ ssize_t ecryptfs_getxattr_lower(struct dentry *lower_dentry, struct inode *lower_inode, const char *name, void *value, size_t size) { - int rc = 0; + int rc; - if (!lower_inode->i_op->getxattr) { + if (!(lower_inode->i_opflags & IOP_XATTR)) { rc = -EOPNOTSUPP; goto out; } inode_lock(lower_inode); - rc = lower_inode->i_op->getxattr(lower_dentry, lower_inode, - name, value, size); + rc = __vfs_getxattr(lower_dentry, lower_inode, name, value, size); inode_unlock(lower_inode); out: return rc; @@ -1066,19 +1068,22 @@ out: return rc; } -static int ecryptfs_removexattr(struct dentry *dentry, const char *name) +static int ecryptfs_removexattr(struct dentry *dentry, struct inode *inode, + const char *name) { - int rc = 0; + int rc; struct dentry *lower_dentry; + struct inode *lower_inode; lower_dentry = ecryptfs_dentry_to_lower(dentry); - if (!d_inode(lower_dentry)->i_op->removexattr) { + lower_inode = ecryptfs_inode_to_lower(inode); + if (!(lower_inode->i_opflags & IOP_XATTR)) { rc = -EOPNOTSUPP; goto out; } - inode_lock(d_inode(lower_dentry)); - rc = d_inode(lower_dentry)->i_op->removexattr(lower_dentry, name); - inode_unlock(d_inode(lower_dentry)); + inode_lock(lower_inode); + rc = __vfs_removexattr(lower_dentry, name); + inode_unlock(lower_inode); out: return rc; } @@ -1089,10 +1094,7 @@ const struct inode_operations ecryptfs_symlink_iops = { .permission = ecryptfs_permission, .setattr = ecryptfs_setattr, .getattr = ecryptfs_getattr_link, - .setxattr = ecryptfs_setxattr, - .getxattr = ecryptfs_getxattr, .listxattr = ecryptfs_listxattr, - .removexattr = ecryptfs_removexattr }; const struct inode_operations ecryptfs_dir_iops = { @@ -1107,18 +1109,43 @@ const struct inode_operations ecryptfs_dir_iops = { .rename = ecryptfs_rename, .permission = ecryptfs_permission, .setattr = ecryptfs_setattr, - .setxattr = ecryptfs_setxattr, - .getxattr = ecryptfs_getxattr, .listxattr = ecryptfs_listxattr, - .removexattr = ecryptfs_removexattr }; const struct inode_operations ecryptfs_main_iops = { .permission = ecryptfs_permission, .setattr = ecryptfs_setattr, .getattr = ecryptfs_getattr, - .setxattr = ecryptfs_setxattr, - .getxattr = ecryptfs_getxattr, .listxattr = ecryptfs_listxattr, - .removexattr = ecryptfs_removexattr +}; + +static int ecryptfs_xattr_get(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, void *buffer, size_t size) +{ + return ecryptfs_getxattr(dentry, inode, name, buffer, size); +} + +static int ecryptfs_xattr_set(const struct xattr_handler *handler, + struct dentry *dentry, struct inode *inode, + const char *name, const void *value, size_t size, + int flags) +{ + if (value) + return ecryptfs_setxattr(dentry, inode, name, value, size, flags); + else { + BUG_ON(flags != XATTR_REPLACE); + return ecryptfs_removexattr(dentry, inode, name); + } +} + +const struct xattr_handler ecryptfs_xattr_handler = { + .prefix = "", /* match anything */ + .get = ecryptfs_xattr_get, + .set = ecryptfs_xattr_set, +}; + +const struct xattr_handler *ecryptfs_xattr_handlers[] = { + &ecryptfs_xattr_handler, + NULL }; diff --git a/fs/ecryptfs/main.c b/fs/ecryptfs/main.c index 612004495141..151872dcc1f4 100644 --- a/fs/ecryptfs/main.c +++ b/fs/ecryptfs/main.c @@ -529,6 +529,7 @@ static struct dentry *ecryptfs_mount(struct file_system_type *fs_type, int flags /* ->kill_sb() will take care of sbi after that point */ sbi = NULL; s->s_op = &ecryptfs_sops; + s->s_xattr = ecryptfs_xattr_handlers; s->s_d_op = &ecryptfs_dops; err = "Reading sb failed"; diff --git a/fs/ecryptfs/mmap.c b/fs/ecryptfs/mmap.c index 9c3437c8a5b1..1f0c471b4ba3 100644 --- a/fs/ecryptfs/mmap.c +++ b/fs/ecryptfs/mmap.c @@ -32,6 +32,7 @@ #include <linux/file.h> #include <linux/scatterlist.h> #include <linux/slab.h> +#include <linux/xattr.h> #include <asm/unaligned.h> #include "ecryptfs_kernel.h" @@ -422,7 +423,7 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode) struct inode *lower_inode = d_inode(lower_dentry); int rc; - if (!lower_inode->i_op->getxattr || !lower_inode->i_op->setxattr) { + if (!(lower_inode->i_opflags & IOP_XATTR)) { printk(KERN_WARNING "No support for setting xattr in lower filesystem\n"); rc = -ENOSYS; @@ -436,15 +437,13 @@ static int ecryptfs_write_inode_size_to_xattr(struct inode *ecryptfs_inode) goto out; } inode_lock(lower_inode); - size = lower_inode->i_op->getxattr(lower_dentry, lower_inode, - ECRYPTFS_XATTR_NAME, - xattr_virt, PAGE_SIZE); + size = __vfs_getxattr(lower_dentry, lower_inode, ECRYPTFS_XATTR_NAME, + xattr_virt, PAGE_SIZE); if (size < 0) size = 8; put_unaligned_be64(i_size_read(ecryptfs_inode), xattr_virt); - rc = lower_inode->i_op->setxattr(lower_dentry, lower_inode, - ECRYPTFS_XATTR_NAME, - xattr_virt, size, 0); + rc = __vfs_setxattr(lower_dentry, lower_inode, ECRYPTFS_XATTR_NAME, + xattr_virt, size, 0); inode_unlock(lower_inode); if (rc) printk(KERN_ERR "Error whilst attempting to write inode size " diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c index cbb50cadcffc..71fccccf317e 100644 --- a/fs/efivarfs/inode.c +++ b/fs/efivarfs/inode.c @@ -24,7 +24,7 @@ struct inode *efivarfs_get_inode(struct super_block *sb, if (inode) { inode->i_ino = get_next_ino(); inode->i_mode = mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_flags = is_removable ? 0 : S_IMMUTABLE; switch (mode & S_IFMT) { case S_IFREG: diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c index f69a1b5826a5..79101651fe9e 100644 --- a/fs/exofs/dir.c +++ b/fs/exofs/dir.c @@ -416,7 +416,7 @@ int exofs_set_link(struct inode *dir, struct exofs_dir_entry *de, if (likely(!err)) err = exofs_commit_chunk(page, pos, len); exofs_put_page(page); - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); return err; } @@ -503,7 +503,7 @@ got_it: de->inode_no = cpu_to_le64(inode->i_ino); exofs_set_de_type(de, inode); err = exofs_commit_chunk(page, pos, rec_len); - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); sbi->s_numfiles++; @@ -554,7 +554,7 @@ int exofs_delete_entry(struct exofs_dir_entry *dir, struct page *page) dir->inode_no = 0; if (likely(!err)) err = exofs_commit_chunk(page, pos, to - from); - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); mark_inode_dirty(inode); sbi->s_numfiles--; out: diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index 9dc4c6dbf3c9..d8072bc074a4 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -778,7 +778,7 @@ try_again: fail: EXOFS_DBGMSG("Error: writepage_strip(0x%lx, 0x%lx)=>%d\n", inode->i_ino, page->index, ret); - set_bit(AS_EIO, &page->mapping->flags); + mapping_set_error(page->mapping, -EIO); unlock_page(page); return ret; } @@ -1007,7 +1007,7 @@ static int _do_truncate(struct inode *inode, loff_t newsize) struct exofs_sb_info *sbi = inode->i_sb->s_fs_info; int ret; - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); ret = ore_truncate(&sbi->layout, &oi->oc, (u64)newsize); if (likely(!ret)) @@ -1034,7 +1034,7 @@ int exofs_setattr(struct dentry *dentry, struct iattr *iattr) if (unlikely(error)) return error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (unlikely(error)) return error; @@ -1313,7 +1313,7 @@ struct inode *exofs_new_inode(struct inode *dir, umode_t mode) inode_init_owner(inode, dir, mode); inode->i_ino = sbi->s_nextid++; inode->i_blkbits = EXOFS_BLKSHIFT; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); oi->i_commit_size = inode->i_size = 0; spin_lock(&sbi->s_next_gen_lock); inode->i_generation = sbi->s_next_generation++; diff --git a/fs/exofs/namei.c b/fs/exofs/namei.c index 622a686bb08b..7295cd722770 100644 --- a/fs/exofs/namei.c +++ b/fs/exofs/namei.c @@ -142,7 +142,7 @@ static int exofs_link(struct dentry *old_dentry, struct inode *dir, { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); inode_inc_link_count(inode); ihold(inode); @@ -227,7 +227,8 @@ static int exofs_rmdir(struct inode *dir, struct dentry *dentry) } static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -237,6 +238,9 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, struct exofs_dir_entry *old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = exofs_find_entry(old_dir, old_dentry, &old_page); if (!old_de) goto out; @@ -261,7 +265,7 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, if (!new_de) goto out_dir; err = exofs_set_link(new_dir, new_de, new_page, old_inode); - new_inode->i_ctime = CURRENT_TIME; + new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); @@ -275,7 +279,7 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry, inode_inc_link_count(new_dir); } - old_inode->i_ctime = CURRENT_TIME; + old_inode->i_ctime = current_time(old_inode); exofs_delete_entry(old_de, old_page); mark_inode_dirty(old_inode); @@ -310,7 +314,7 @@ const struct inode_operations exofs_dir_inode_operations = { .mkdir = exofs_mkdir, .rmdir = exofs_rmdir, .mknod = exofs_mknod, - .rename = exofs_rename, + .rename = exofs_rename, .setattr = exofs_setattr, }; diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c index 42f1d1814083..79dafa71effd 100644 --- a/fs/ext2/acl.c +++ b/fs/ext2/acl.c @@ -190,15 +190,11 @@ ext2_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: name_index = EXT2_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - else { - inode->i_ctime = CURRENT_TIME_SEC; - mark_inode_dirty(inode); - if (error == 0) - acl = NULL; - } + inode->i_ctime = current_time(inode); + mark_inode_dirty(inode); } break; diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 61ad490ed67b..d9650c9508e4 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -471,7 +471,7 @@ void ext2_set_link(struct inode *dir, struct ext2_dir_entry_2 *de, err = ext2_commit_chunk(page, pos, len); ext2_put_page(page); if (update_times) - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(dir); } @@ -561,7 +561,7 @@ got_it: de->inode = cpu_to_le32(inode->i_ino); ext2_set_de_type (de, inode); err = ext2_commit_chunk(page, pos, rec_len); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); EXT2_I(dir)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(dir); /* OFFSET_CACHE */ @@ -610,7 +610,7 @@ int ext2_delete_entry (struct ext2_dir_entry_2 * dir, struct page * page ) pde->rec_len = ext2_rec_len_to_disk(to - from); dir->inode = 0; err = ext2_commit_chunk(page, pos, to - from); - inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_ctime = inode->i_mtime = current_time(inode); EXT2_I(inode)->i_flags &= ~EXT2_BTREE_FL; mark_inode_dirty(inode); out: diff --git a/fs/ext2/file.c b/fs/ext2/file.c index 0ca363d1341c..a0e1478dfd04 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -241,10 +241,7 @@ const struct file_operations ext2_file_operations = { const struct inode_operations ext2_file_inode_operations = { #ifdef CONFIG_EXT2_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext2_listxattr, - .removexattr = generic_removexattr, #endif .setattr = ext2_setattr, .get_acl = ext2_get_acl, diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c index 04e73a99902b..395fc074c0db 100644 --- a/fs/ext2/ialloc.c +++ b/fs/ext2/ialloc.c @@ -556,7 +556,7 @@ got: inode->i_ino = ino; inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); memset(ei->i_data, 0, sizeof(ei->i_data)); ei->i_flags = ext2_mask_flags(mode, EXT2_I(dir)->i_flags & EXT2_FL_INHERITED); diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index 1e72d425fd3b..d831e24dc885 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -595,7 +595,7 @@ static void ext2_splice_branch(struct inode *inode, if (where->bh) mark_buffer_dirty_inode(where->bh, inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); } @@ -1308,7 +1308,7 @@ static int ext2_setsize(struct inode *inode, loff_t newsize) __ext2_truncate_blocks(inode, newsize); dax_sem_up_write(EXT2_I(inode)); - inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_ctime = current_time(inode); if (inode_needs_sync(inode)) { sync_mapping_buffers(inode->i_mapping); sync_inode_metadata(inode, 1); @@ -1652,7 +1652,7 @@ int ext2_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) return error; diff --git a/fs/ext2/ioctl.c b/fs/ext2/ioctl.c index b386af2e45f4..9d617423e936 100644 --- a/fs/ext2/ioctl.c +++ b/fs/ext2/ioctl.c @@ -79,7 +79,7 @@ long ext2_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) ei->i_flags = flags; ext2_set_inode_flags(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); inode_unlock(inode); mark_inode_dirty(inode); @@ -103,7 +103,7 @@ setflags_out: } inode_lock(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); inode->i_generation = generation; inode_unlock(inode); diff --git a/fs/ext2/namei.c b/fs/ext2/namei.c index d446203127fc..814e405a2da6 100644 --- a/fs/ext2/namei.c +++ b/fs/ext2/namei.c @@ -221,7 +221,7 @@ static int ext2_link (struct dentry * old_dentry, struct inode * dir, if (err) return err; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); inode_inc_link_count(inode); ihold(inode); @@ -328,7 +328,8 @@ static int ext2_rmdir (struct inode * dir, struct dentry *dentry) } static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, - struct inode * new_dir, struct dentry * new_dentry ) + struct inode * new_dir, struct dentry * new_dentry, + unsigned int flags) { struct inode * old_inode = d_inode(old_dentry); struct inode * new_inode = d_inode(new_dentry); @@ -338,6 +339,9 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, struct ext2_dir_entry_2 * old_de; int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + err = dquot_initialize(old_dir); if (err) goto out; @@ -372,7 +376,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, if (!new_de) goto out_dir; ext2_set_link(new_dir, new_de, new_page, old_inode, 1); - new_inode->i_ctime = CURRENT_TIME_SEC; + new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); @@ -388,7 +392,7 @@ static int ext2_rename (struct inode * old_dir, struct dentry * old_dentry, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = CURRENT_TIME_SEC; + old_inode->i_ctime = current_time(old_inode); mark_inode_dirty(old_inode); ext2_delete_entry (old_de, old_page); @@ -428,10 +432,7 @@ const struct inode_operations ext2_dir_inode_operations = { .mknod = ext2_mknod, .rename = ext2_rename, #ifdef CONFIG_EXT2_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext2_listxattr, - .removexattr = generic_removexattr, #endif .setattr = ext2_setattr, .get_acl = ext2_get_acl, @@ -441,10 +442,7 @@ const struct inode_operations ext2_dir_inode_operations = { const struct inode_operations ext2_special_inode_operations = { #ifdef CONFIG_EXT2_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext2_listxattr, - .removexattr = generic_removexattr, #endif .setattr = ext2_setattr, .get_acl = ext2_get_acl, diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 1d9379568aa8..6cb042b53b5b 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -1543,7 +1543,7 @@ out: if (inode->i_size < off+len-towrite) i_size_write(inode, off+len-towrite); inode->i_version++; - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); mark_inode_dirty(inode); return len - towrite; } diff --git a/fs/ext2/symlink.c b/fs/ext2/symlink.c index 3495d8ae4b33..8437b191bf5d 100644 --- a/fs/ext2/symlink.c +++ b/fs/ext2/symlink.c @@ -25,10 +25,7 @@ const struct inode_operations ext2_symlink_inode_operations = { .get_link = page_get_link, .setattr = ext2_setattr, #ifdef CONFIG_EXT2_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext2_listxattr, - .removexattr = generic_removexattr, #endif }; @@ -37,9 +34,6 @@ const struct inode_operations ext2_fast_symlink_inode_operations = { .get_link = simple_get_link, .setattr = ext2_setattr, #ifdef CONFIG_EXT2_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext2_listxattr, - .removexattr = generic_removexattr, #endif }; diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index b7f896f3f7a7..fbdb8f171893 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -691,7 +691,7 @@ ext2_xattr_set2(struct inode *inode, struct buffer_head *old_bh, /* Update the inode. */ EXT2_I(inode)->i_file_acl = new_bh ? new_bh->b_blocknr : 0; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); if (IS_SYNC(inode)) { error = sync_inode_metadata(inode, 1); /* In case sync failed due to ENOSPC the inode was actually diff --git a/fs/ext4/acl.c b/fs/ext4/acl.c index c6601a476c02..dfa519979038 100644 --- a/fs/ext4/acl.c +++ b/fs/ext4/acl.c @@ -193,15 +193,11 @@ __ext4_set_acl(handle_t *handle, struct inode *inode, int type, case ACL_TYPE_ACCESS: name_index = EXT4_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - else { - inode->i_ctime = ext4_current_time(inode); - ext4_mark_inode_dirty(handle, inode); - if (error == 0) - acl = NULL; - } + inode->i_ctime = ext4_current_time(inode); + ext4_mark_inode_dirty(handle, inode); } break; diff --git a/fs/ext4/file.c b/fs/ext4/file.c index 36d49cfbf2dc..2a822d30e73f 100644 --- a/fs/ext4/file.c +++ b/fs/ext4/file.c @@ -706,10 +706,7 @@ const struct file_operations ext4_file_operations = { const struct inode_operations ext4_file_inode_operations = { .setattr = ext4_setattr, .getattr = ext4_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext4_listxattr, - .removexattr = generic_removexattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, .fiemap = ext4_fiemap, diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index cd918823b352..9c064727ed62 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5078,7 +5078,7 @@ int ext4_setattr(struct dentry *dentry, struct iattr *attr) int orphan = 0; const unsigned int ia_valid = attr->ia_valid; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index c344b819cffa..f92f10d4f66a 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -3878,12 +3878,9 @@ const struct inode_operations ext4_dir_inode_operations = { .rmdir = ext4_rmdir, .mknod = ext4_mknod, .tmpfile = ext4_tmpfile, - .rename2 = ext4_rename2, + .rename = ext4_rename2, .setattr = ext4_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext4_listxattr, - .removexattr = generic_removexattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, .fiemap = ext4_fiemap, @@ -3891,10 +3888,7 @@ const struct inode_operations ext4_dir_inode_operations = { const struct inode_operations ext4_special_inode_operations = { .setattr = ext4_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext4_listxattr, - .removexattr = generic_removexattr, .get_acl = ext4_get_acl, .set_acl = ext4_set_acl, }; diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c index b4cbee936cf8..0094923e5ebf 100644 --- a/fs/ext4/page-io.c +++ b/fs/ext4/page-io.c @@ -88,7 +88,7 @@ static void ext4_finish_bio(struct bio *bio) if (bio->bi_error) { SetPageError(page); - set_bit(AS_EIO, &page->mapping->flags); + mapping_set_error(page->mapping, -EIO); } bh = head = page_buffers(page); /* diff --git a/fs/ext4/symlink.c b/fs/ext4/symlink.c index fdf1c6154745..557b3b0d668c 100644 --- a/fs/ext4/symlink.c +++ b/fs/ext4/symlink.c @@ -86,28 +86,19 @@ const struct inode_operations ext4_encrypted_symlink_inode_operations = { .readlink = generic_readlink, .get_link = ext4_encrypted_get_link, .setattr = ext4_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext4_listxattr, - .removexattr = generic_removexattr, }; const struct inode_operations ext4_symlink_inode_operations = { .readlink = generic_readlink, .get_link = page_get_link, .setattr = ext4_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext4_listxattr, - .removexattr = generic_removexattr, }; const struct inode_operations ext4_fast_symlink_inode_operations = { .readlink = generic_readlink, .get_link = simple_get_link, .setattr = ext4_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ext4_listxattr, - .removexattr = generic_removexattr, }; diff --git a/fs/f2fs/acl.c b/fs/f2fs/acl.c index 1e29630f49c1..6fe23af509e1 100644 --- a/fs/f2fs/acl.c +++ b/fs/f2fs/acl.c @@ -212,12 +212,10 @@ static int __f2fs_set_acl(struct inode *inode, int type, case ACL_TYPE_ACCESS: name_index = F2FS_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; set_acl_inode(inode, inode->i_mode); - if (error == 0) - acl = NULL; } break; diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 0d0177c9149c..9ae194fd2fdb 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -75,7 +75,7 @@ static void f2fs_write_end_io(struct bio *bio) fscrypt_pullback_bio_page(&page, true); if (unlikely(bio->bi_error)) { - set_bit(AS_EIO, &page->mapping->flags); + mapping_set_error(page->mapping, -EIO); f2fs_stop_checkpoint(sbi, true); } end_page_writeback(page); diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c index 12b5836a1033..369f4513be37 100644 --- a/fs/f2fs/dir.c +++ b/fs/f2fs/dir.c @@ -312,7 +312,7 @@ void f2fs_set_link(struct inode *dir, struct f2fs_dir_entry *de, f2fs_dentry_kunmap(dir, page); set_page_dirty(page); - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); f2fs_mark_inode_dirty_sync(dir); f2fs_put_page(page, 1); } @@ -465,7 +465,7 @@ void update_parent_metadata(struct inode *dir, struct inode *inode, f2fs_i_links_write(dir, true); clear_inode_flag(inode, FI_NEW_INODE); } - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); f2fs_mark_inode_dirty_sync(dir); if (F2FS_I(dir)->i_current_depth != current_depth) @@ -683,7 +683,7 @@ void f2fs_drop_nlink(struct inode *dir, struct inode *inode) if (S_ISDIR(inode->i_mode)) f2fs_i_links_write(dir, false); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); f2fs_i_links_write(inode, false); if (S_ISDIR(inode->i_mode)) { @@ -730,7 +730,7 @@ void f2fs_delete_entry(struct f2fs_dir_entry *dentry, struct page *page, kunmap(page); /* kunmap - pair of f2fs_find_entry */ set_page_dirty(page); - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); f2fs_mark_inode_dirty_sync(dir); if (inode) diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c index f8b4fe05385d..c7865073cd26 100644 --- a/fs/f2fs/file.c +++ b/fs/f2fs/file.c @@ -631,7 +631,7 @@ int f2fs_truncate(struct inode *inode) if (err) return err; - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); f2fs_mark_inode_dirty_sync(inode); return 0; } @@ -680,7 +680,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int err; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -708,7 +708,7 @@ int f2fs_setattr(struct dentry *dentry, struct iattr *attr) if (err) return err; } - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); } } @@ -732,10 +732,7 @@ const struct inode_operations f2fs_file_inode_operations = { .get_acl = f2fs_get_acl, .set_acl = f2fs_set_acl, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif .fiemap = f2fs_fiemap, }; @@ -1395,7 +1392,7 @@ static long f2fs_fallocate(struct file *file, int mode, } if (!ret) { - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); f2fs_mark_inode_dirty_sync(inode); f2fs_update_time(F2FS_I_SB(inode), REQ_TIME); } @@ -1487,7 +1484,7 @@ static int f2fs_ioc_setflags(struct file *filp, unsigned long arg) fi->i_flags = flags; inode_unlock(inode); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); f2fs_set_inode_flags(inode); out: mnt_drop_write_file(filp); diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c index 34234d84a38b..5f1a67f756af 100644 --- a/fs/f2fs/inline.c +++ b/fs/f2fs/inline.c @@ -572,7 +572,7 @@ void f2fs_delete_inline_entry(struct f2fs_dir_entry *dentry, struct page *page, set_page_dirty(page); f2fs_put_page(page, 1); - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); f2fs_mark_inode_dirty_sync(dir); if (inode) diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index 5625b879c98a..489fa0d5f914 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -46,7 +46,7 @@ static struct inode *f2fs_new_inode(struct inode *dir, umode_t mode) inode->i_ino = ino; inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_generation = sbi->s_next_generation++; err = insert_inode_locked(inode); @@ -182,7 +182,7 @@ static int f2fs_link(struct dentry *old_dentry, struct inode *dir, f2fs_balance_fs(sbi, true); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); ihold(inode); set_inode_flag(inode, FI_INC_LINK); @@ -723,7 +723,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, f2fs_set_link(new_dir, new_entry, new_page, old_inode); - new_inode->i_ctime = CURRENT_TIME; + new_inode->i_ctime = current_time(new_inode); down_write(&F2FS_I(new_inode)->i_sem); if (old_dir_entry) f2fs_i_links_write(new_inode, false); @@ -777,7 +777,7 @@ static int f2fs_rename(struct inode *old_dir, struct dentry *old_dentry, file_set_enc_name(old_inode); up_write(&F2FS_I(old_inode)->i_sem); - old_inode->i_ctime = CURRENT_TIME; + old_inode->i_ctime = current_time(old_inode); f2fs_mark_inode_dirty_sync(old_inode); f2fs_delete_entry(old_entry, old_page, old_dir, NULL); @@ -932,7 +932,7 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, file_lost_pino(old_inode); up_write(&F2FS_I(old_inode)->i_sem); - old_dir->i_ctime = CURRENT_TIME; + old_dir->i_ctime = current_time(old_dir); if (old_nlink) { down_write(&F2FS_I(old_dir)->i_sem); f2fs_i_links_write(old_dir, old_nlink > 0); @@ -947,7 +947,7 @@ static int f2fs_cross_rename(struct inode *old_dir, struct dentry *old_dentry, file_lost_pino(new_inode); up_write(&F2FS_I(new_inode)->i_sem); - new_dir->i_ctime = CURRENT_TIME; + new_dir->i_ctime = current_time(new_dir); if (new_nlink) { down_write(&F2FS_I(new_dir)->i_sem); f2fs_i_links_write(new_dir, new_nlink > 0); @@ -1080,10 +1080,7 @@ const struct inode_operations f2fs_encrypted_symlink_inode_operations = { .getattr = f2fs_getattr, .setattr = f2fs_setattr, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; @@ -1096,17 +1093,14 @@ const struct inode_operations f2fs_dir_inode_operations = { .mkdir = f2fs_mkdir, .rmdir = f2fs_rmdir, .mknod = f2fs_mknod, - .rename2 = f2fs_rename2, + .rename = f2fs_rename2, .tmpfile = f2fs_tmpfile, .getattr = f2fs_getattr, .setattr = f2fs_setattr, .get_acl = f2fs_get_acl, .set_acl = f2fs_set_acl, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; @@ -1116,10 +1110,7 @@ const struct inode_operations f2fs_symlink_inode_operations = { .getattr = f2fs_getattr, .setattr = f2fs_setattr, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; @@ -1129,9 +1120,6 @@ const struct inode_operations f2fs_special_inode_operations = { .get_acl = f2fs_get_acl, .set_acl = f2fs_set_acl, #ifdef CONFIG_F2FS_FS_XATTR - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = f2fs_listxattr, - .removexattr = generic_removexattr, #endif }; diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c index 883103593f33..01177ecdeab8 100644 --- a/fs/f2fs/node.c +++ b/fs/f2fs/node.c @@ -1525,7 +1525,7 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino) { pgoff_t index = 0, end = ULONG_MAX; struct pagevec pvec; - int ret2 = 0, ret = 0; + int ret2, ret = 0; pagevec_init(&pvec, 0); @@ -1554,10 +1554,7 @@ int wait_on_node_pages_writeback(struct f2fs_sb_info *sbi, nid_t ino) cond_resched(); } - if (unlikely(test_and_clear_bit(AS_ENOSPC, &NODE_MAPPING(sbi)->flags))) - ret2 = -ENOSPC; - if (unlikely(test_and_clear_bit(AS_EIO, &NODE_MAPPING(sbi)->flags))) - ret2 = -EIO; + ret2 = filemap_check_errors(NODE_MAPPING(sbi)); if (!ret) ret = ret2; return ret; diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 1f74876233b6..3e1c0280f866 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -548,7 +548,7 @@ static int __f2fs_setxattr(struct inode *inode, int index, if (is_inode_flag_set(inode, FI_ACL_MODE)) { inode->i_mode = F2FS_I(inode)->i_acl_mode; - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); clear_inode_flag(inode, FI_ACL_MODE); } if (index == F2FS_XATTR_INDEX_ENCRYPTION && diff --git a/fs/fat/dir.c b/fs/fat/dir.c index 663e428596c6..81cecbe6d7cf 100644 --- a/fs/fat/dir.c +++ b/fs/fat/dir.c @@ -1071,7 +1071,7 @@ int fat_remove_entries(struct inode *dir, struct fat_slot_info *sinfo) } } - dir->i_mtime = dir->i_atime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_atime = current_time(dir); if (IS_DIRSYNC(dir)) (void)fat_sync_inode(dir); else diff --git a/fs/fat/file.c b/fs/fat/file.c index f70185668832..3d04b124bce0 100644 --- a/fs/fat/file.c +++ b/fs/fat/file.c @@ -63,7 +63,7 @@ static int fat_ioctl_set_attributes(struct file *file, u32 __user *user_attr) /* Equivalent to a chmod() */ ia.ia_valid = ATTR_MODE | ATTR_CTIME; - ia.ia_ctime = current_fs_time(inode->i_sb); + ia.ia_ctime = current_time(inode); if (is_dir) ia.ia_mode = fat_make_mode(sbi, attr, S_IRWXUGO); else { @@ -194,7 +194,7 @@ static int fat_cont_expand(struct inode *inode, loff_t size) if (err) goto out; - inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_ctime = inode->i_mtime = current_time(inode); mark_inode_dirty(inode); if (IS_SYNC(inode)) { int err2; @@ -297,7 +297,7 @@ static int fat_free(struct inode *inode, int skip) MSDOS_I(inode)->i_logstart = 0; } MSDOS_I(inode)->i_attrs |= ATTR_ARCH; - inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_ctime = inode->i_mtime = current_time(inode); if (wait) { err = fat_sync_inode(inode); if (err) { @@ -450,7 +450,7 @@ int fat_setattr(struct dentry *dentry, struct iattr *attr) attr->ia_valid &= ~TIMES_SET_FLAGS; } - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); attr->ia_valid = ia_valid; if (error) { if (sbi->options.quiet) diff --git a/fs/fat/inode.c b/fs/fat/inode.c index da04c0298fab..338d2f73eb29 100644 --- a/fs/fat/inode.c +++ b/fs/fat/inode.c @@ -237,7 +237,7 @@ static int fat_write_end(struct file *file, struct address_space *mapping, if (err < len) fat_write_failed(mapping, pos + len); if (!(err < 0) && !(MSDOS_I(inode)->i_attrs & ATTR_ARCH)) { - inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_ctime = current_time(inode); MSDOS_I(inode)->i_attrs |= ATTR_ARCH; mark_inode_dirty(inode); } diff --git a/fs/fat/namei_msdos.c b/fs/fat/namei_msdos.c index 664655b2c55f..7d6a105d601b 100644 --- a/fs/fat/namei_msdos.c +++ b/fs/fat/namei_msdos.c @@ -283,7 +283,7 @@ static int msdos_create(struct inode *dir, struct dentry *dentry, umode_t mode, goto out; } - ts = CURRENT_TIME_SEC; + ts = current_time(dir); err = msdos_add_entry(dir, msdos_name, 0, is_hid, 0, &ts, &sinfo); if (err) goto out; @@ -330,7 +330,7 @@ static int msdos_rmdir(struct inode *dir, struct dentry *dentry) drop_nlink(dir); clear_nlink(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); fat_detach(inode); out: mutex_unlock(&MSDOS_SB(sb)->s_lock); @@ -364,7 +364,7 @@ static int msdos_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) goto out; } - ts = CURRENT_TIME_SEC; + ts = current_time(dir); cluster = fat_alloc_new_dir(dir, &ts); if (cluster < 0) { err = cluster; @@ -416,7 +416,7 @@ static int msdos_unlink(struct inode *dir, struct dentry *dentry) if (err) goto out; clear_nlink(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); fat_detach(inode); out: mutex_unlock(&MSDOS_SB(sb)->s_lock); @@ -481,7 +481,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name, mark_inode_dirty(old_inode); old_dir->i_version++; - old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME_SEC; + old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); if (IS_DIRSYNC(old_dir)) (void)fat_sync_inode(old_dir); else @@ -490,7 +490,7 @@ static int do_msdos_rename(struct inode *old_dir, unsigned char *old_name, } } - ts = CURRENT_TIME_SEC; + ts = current_time(old_inode); if (new_inode) { if (err) goto out; @@ -596,12 +596,16 @@ error_inode: /***** Rename, a wrapper for rename_same_dir & rename_diff_dir */ static int msdos_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct super_block *sb = old_dir->i_sb; unsigned char old_msdos_name[MSDOS_NAME], new_msdos_name[MSDOS_NAME]; int err, is_hid; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + mutex_lock(&MSDOS_SB(sb)->s_lock); err = msdos_format_name(old_dentry->d_name.name, diff --git a/fs/fat/namei_vfat.c b/fs/fat/namei_vfat.c index 92b7363dafa9..6a7152d0c250 100644 --- a/fs/fat/namei_vfat.c +++ b/fs/fat/namei_vfat.c @@ -21,6 +21,17 @@ #include <linux/namei.h> #include "fat.h" +static inline unsigned long vfat_d_version(struct dentry *dentry) +{ + return (unsigned long) dentry->d_fsdata; +} + +static inline void vfat_d_version_set(struct dentry *dentry, + unsigned long version) +{ + dentry->d_fsdata = (void *) version; +} + /* * If new entry was created in the parent, it could create the 8.3 * alias (the shortname of logname). So, the parent may have the @@ -33,7 +44,7 @@ static int vfat_revalidate_shortname(struct dentry *dentry) { int ret = 1; spin_lock(&dentry->d_lock); - if (dentry->d_time != d_inode(dentry->d_parent)->i_version) + if (vfat_d_version(dentry) != d_inode(dentry->d_parent)->i_version) ret = 0; spin_unlock(&dentry->d_lock); return ret; @@ -759,7 +770,7 @@ static struct dentry *vfat_lookup(struct inode *dir, struct dentry *dentry, out: mutex_unlock(&MSDOS_SB(sb)->s_lock); if (!inode) - dentry->d_time = dir->i_version; + vfat_d_version_set(dentry, dir->i_version); return d_splice_alias(inode, dentry); error: mutex_unlock(&MSDOS_SB(sb)->s_lock); @@ -777,7 +788,7 @@ static int vfat_create(struct inode *dir, struct dentry *dentry, umode_t mode, mutex_lock(&MSDOS_SB(sb)->s_lock); - ts = CURRENT_TIME_SEC; + ts = current_time(dir); err = vfat_add_entry(dir, &dentry->d_name, 0, 0, &ts, &sinfo); if (err) goto out; @@ -821,9 +832,9 @@ static int vfat_rmdir(struct inode *dir, struct dentry *dentry) drop_nlink(dir); clear_nlink(inode); - inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = current_time(inode); fat_detach(inode); - dentry->d_time = dir->i_version; + vfat_d_version_set(dentry, dir->i_version); out: mutex_unlock(&MSDOS_SB(sb)->s_lock); @@ -847,9 +858,9 @@ static int vfat_unlink(struct inode *dir, struct dentry *dentry) if (err) goto out; clear_nlink(inode); - inode->i_mtime = inode->i_atime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = current_time(inode); fat_detach(inode); - dentry->d_time = dir->i_version; + vfat_d_version_set(dentry, dir->i_version); out: mutex_unlock(&MSDOS_SB(sb)->s_lock); @@ -866,7 +877,7 @@ static int vfat_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) mutex_lock(&MSDOS_SB(sb)->s_lock); - ts = CURRENT_TIME_SEC; + ts = current_time(dir); cluster = fat_alloc_new_dir(dir, &ts); if (cluster < 0) { err = cluster; @@ -903,7 +914,8 @@ out: } static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct buffer_head *dotdot_bh; struct msdos_dir_entry *dotdot_de; @@ -914,6 +926,9 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, int err, is_dir, update_dotdot, corrupt = 0; struct super_block *sb = old_dir->i_sb; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_sinfo.bh = sinfo.bh = dotdot_bh = NULL; old_inode = d_inode(old_dentry); new_inode = d_inode(new_dentry); @@ -931,7 +946,7 @@ static int vfat_rename(struct inode *old_dir, struct dentry *old_dentry, } } - ts = CURRENT_TIME_SEC; + ts = current_time(old_dir); if (new_inode) { if (is_dir) { err = fat_dir_empty(new_inode); diff --git a/fs/file.c b/fs/file.c index 6b1acdfe59da..69d6990e3021 100644 --- a/fs/file.c +++ b/fs/file.c @@ -23,12 +23,12 @@ #include <linux/rcupdate.h> #include <linux/workqueue.h> -int sysctl_nr_open __read_mostly = 1024*1024; -int sysctl_nr_open_min = BITS_PER_LONG; +unsigned int sysctl_nr_open __read_mostly = 1024*1024; +unsigned int sysctl_nr_open_min = BITS_PER_LONG; /* our min() is unusable in constant expressions ;-/ */ #define __const_min(x, y) ((x) < (y) ? (x) : (y)) -int sysctl_nr_open_max = __const_min(INT_MAX, ~(size_t)0/sizeof(void *)) & - -BITS_PER_LONG; +unsigned int sysctl_nr_open_max = + __const_min(INT_MAX, ~(size_t)0/sizeof(void *)) & -BITS_PER_LONG; static void *alloc_fdmem(size_t size) { @@ -163,7 +163,7 @@ out: * Return <0 error code on error; 1 on successful completion. * The files->file_lock should be held on entry, and will be held on exit. */ -static int expand_fdtable(struct files_struct *files, int nr) +static int expand_fdtable(struct files_struct *files, unsigned int nr) __releases(files->file_lock) __acquires(files->file_lock) { @@ -208,7 +208,7 @@ static int expand_fdtable(struct files_struct *files, int nr) * expanded and execution may have blocked. * The files->file_lock should be held on entry, and will be held on exit. */ -static int expand_files(struct files_struct *files, int nr) +static int expand_files(struct files_struct *files, unsigned int nr) __releases(files->file_lock) __acquires(files->file_lock) { @@ -243,12 +243,12 @@ repeat: return expanded; } -static inline void __set_close_on_exec(int fd, struct fdtable *fdt) +static inline void __set_close_on_exec(unsigned int fd, struct fdtable *fdt) { __set_bit(fd, fdt->close_on_exec); } -static inline void __clear_close_on_exec(int fd, struct fdtable *fdt) +static inline void __clear_close_on_exec(unsigned int fd, struct fdtable *fdt) { if (test_bit(fd, fdt->close_on_exec)) __clear_bit(fd, fdt->close_on_exec); @@ -268,10 +268,10 @@ static inline void __clear_open_fd(unsigned int fd, struct fdtable *fdt) __clear_bit(fd / BITS_PER_LONG, fdt->full_fds_bits); } -static int count_open_files(struct fdtable *fdt) +static unsigned int count_open_files(struct fdtable *fdt) { - int size = fdt->max_fds; - int i; + unsigned int size = fdt->max_fds; + unsigned int i; /* Find the last open fd */ for (i = size / BITS_PER_LONG; i > 0; ) { @@ -291,7 +291,7 @@ struct files_struct *dup_fd(struct files_struct *oldf, int *errorp) { struct files_struct *newf; struct file **old_fds, **new_fds; - int open_files, i; + unsigned int open_files, i; struct fdtable *old_fdt, *new_fdt; *errorp = -ENOMEM; @@ -391,7 +391,7 @@ static struct fdtable *close_files(struct files_struct * files) * files structure. */ struct fdtable *fdt = rcu_dereference_raw(files->fdt); - int i, j = 0; + unsigned int i, j = 0; for (;;) { unsigned long set; @@ -477,11 +477,11 @@ struct files_struct init_files = { .file_lock = __SPIN_LOCK_UNLOCKED(init_files.file_lock), }; -static unsigned long find_next_fd(struct fdtable *fdt, unsigned long start) +static unsigned int find_next_fd(struct fdtable *fdt, unsigned int start) { - unsigned long maxfd = fdt->max_fds; - unsigned long maxbit = maxfd / BITS_PER_LONG; - unsigned long bitbit = start / BITS_PER_LONG; + unsigned int maxfd = fdt->max_fds; + unsigned int maxbit = maxfd / BITS_PER_LONG; + unsigned int bitbit = start / BITS_PER_LONG; bitbit = find_next_zero_bit(fdt->full_fds_bits, maxbit, bitbit) * BITS_PER_LONG; if (bitbit > maxfd) diff --git a/fs/fuse/control.c b/fs/fuse/control.c index f863ac6647ac..6e22748b0704 100644 --- a/fs/fuse/control.c +++ b/fs/fuse/control.c @@ -220,7 +220,7 @@ static struct dentry *fuse_ctl_add_dentry(struct dentry *parent, inode->i_mode = mode; inode->i_uid = fc->user_id; inode->i_gid = fc->group_id; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); /* setting ->i_op to NULL is not allowed */ if (iop) inode->i_op = iop; diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index f7c84ab835ca..6a4d0e5418a1 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -647,7 +647,7 @@ static int fuse_symlink(struct inode *dir, struct dentry *entry, void fuse_update_ctime(struct inode *inode) { if (!IS_NOCMTIME(inode)) { - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); mark_inode_dirty_sync(inode); } } @@ -1604,9 +1604,10 @@ int fuse_flush_times(struct inode *inode, struct fuse_file *ff) * vmtruncate() doesn't allow for this case, so do the rlimit checking * and the actual truncation by hand. */ -int fuse_do_setattr(struct inode *inode, struct iattr *attr, +int fuse_do_setattr(struct dentry *dentry, struct iattr *attr, struct file *file) { + struct inode *inode = d_inode(dentry); struct fuse_conn *fc = get_fuse_conn(inode); struct fuse_inode *fi = get_fuse_inode(inode); FUSE_ARGS(args); @@ -1621,7 +1622,7 @@ int fuse_do_setattr(struct inode *inode, struct iattr *attr, if (!fc->default_permissions) attr->ia_valid |= ATTR_FORCE; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -1758,7 +1759,7 @@ static int fuse_setattr(struct dentry *entry, struct iattr *attr) if (!attr->ia_valid) return 0; - ret = fuse_do_setattr(inode, attr, file); + ret = fuse_do_setattr(entry, attr, file); if (!ret) { /* * If filesystem supports acls it may have updated acl xattrs in @@ -1792,7 +1793,7 @@ static const struct inode_operations fuse_dir_inode_operations = { .symlink = fuse_symlink, .unlink = fuse_unlink, .rmdir = fuse_rmdir, - .rename2 = fuse_rename2, + .rename = fuse_rename2, .link = fuse_link, .setattr = fuse_setattr, .create = fuse_create, @@ -1800,10 +1801,7 @@ static const struct inode_operations fuse_dir_inode_operations = { .mknod = fuse_mknod, .permission = fuse_permission, .getattr = fuse_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = fuse_listxattr, - .removexattr = generic_removexattr, .get_acl = fuse_get_acl, .set_acl = fuse_set_acl, }; @@ -1823,10 +1821,7 @@ static const struct inode_operations fuse_common_inode_operations = { .setattr = fuse_setattr, .permission = fuse_permission, .getattr = fuse_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = fuse_listxattr, - .removexattr = generic_removexattr, .get_acl = fuse_get_acl, .set_acl = fuse_set_acl, }; @@ -1836,10 +1831,7 @@ static const struct inode_operations fuse_symlink_inode_operations = { .get_link = fuse_get_link, .readlink = generic_readlink, .getattr = fuse_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = fuse_listxattr, - .removexattr = generic_removexattr, }; void fuse_init_common(struct inode *inode) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index b7beb67bf005..abc66a6237fd 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2810,7 +2810,7 @@ static void fuse_do_truncate(struct file *file) attr.ia_file = file; attr.ia_valid |= ATTR_FILE; - fuse_do_setattr(inode, &attr, file); + fuse_do_setattr(file_dentry(file), &attr, file); } static inline loff_t fuse_round_up(loff_t off) diff --git a/fs/fuse/fuse_i.h b/fs/fuse/fuse_i.h index 24ada5dc4dae..0dfbb136e59a 100644 --- a/fs/fuse/fuse_i.h +++ b/fs/fuse/fuse_i.h @@ -961,7 +961,7 @@ bool fuse_write_update_size(struct inode *inode, loff_t pos); int fuse_flush_times(struct inode *inode, struct fuse_file *ff); int fuse_write_inode(struct inode *inode, struct writeback_control *wbc); -int fuse_do_setattr(struct inode *inode, struct iattr *attr, +int fuse_do_setattr(struct dentry *dentry, struct iattr *attr, struct file *file); void fuse_set_initialized(struct fuse_conn *fc); diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c index 363ba9e9d8d0..2524807ee070 100644 --- a/fs/gfs2/acl.c +++ b/fs/gfs2/acl.c @@ -92,17 +92,11 @@ int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type) if (type == ACL_TYPE_ACCESS) { umode_t mode = inode->i_mode; - error = posix_acl_equiv_mode(acl, &mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - - if (error == 0) - acl = NULL; - - if (mode != inode->i_mode) { - inode->i_mode = mode; + if (mode != inode->i_mode) mark_inode_dirty(inode); - } } if (acl) { diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c index 645721f3ff00..fc5da4cbe88c 100644 --- a/fs/gfs2/bmap.c +++ b/fs/gfs2/bmap.c @@ -836,7 +836,7 @@ static int do_strip(struct gfs2_inode *ip, struct buffer_head *dibh, gfs2_quota_change(ip, -(s64)btotal, ip->i_inode.i_uid, ip->i_inode.i_gid); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_dinode_out(ip, dibh->b_data); @@ -1063,7 +1063,7 @@ static int trunc_start(struct inode *inode, u64 oldsize, u64 newsize) } i_size_write(inode, newsize); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_dinode_out(ip, dibh->b_data); if (journaled) @@ -1142,7 +1142,7 @@ static int trunc_end(struct gfs2_inode *ip) gfs2_buffer_clear_tail(dibh, sizeof(struct gfs2_dinode)); gfs2_ordered_del_inode(ip); } - ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); ip->i_diskflags &= ~GFS2_DIF_TRUNC_IN_PROG; gfs2_trans_add_meta(ip->i_gl, dibh); @@ -1252,7 +1252,7 @@ static int do_grow(struct inode *inode, u64 size) goto do_end_trans; i_size_write(inode, size); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); diff --git a/fs/gfs2/dir.c b/fs/gfs2/dir.c index db8fbeb62483..3cdde5f5d399 100644 --- a/fs/gfs2/dir.c +++ b/fs/gfs2/dir.c @@ -135,7 +135,7 @@ static int gfs2_dir_write_stuffed(struct gfs2_inode *ip, const char *buf, memcpy(dibh->b_data + offset + sizeof(struct gfs2_dinode), buf, size); if (ip->i_inode.i_size < offset + size) i_size_write(&ip->i_inode, offset + size); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -233,7 +233,7 @@ out: if (ip->i_inode.i_size < offset + copied) i_size_write(&ip->i_inode, offset + copied); - ip->i_inode.i_mtime = ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_mtime = ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); @@ -872,7 +872,7 @@ static struct gfs2_leaf *new_leaf(struct inode *inode, struct buffer_head **pbh, struct gfs2_leaf *leaf; struct gfs2_dirent *dent; struct qstr name = { .name = "" }; - struct timespec tv = CURRENT_TIME; + struct timespec tv = current_time(inode); error = gfs2_alloc_blocks(ip, &bn, &n, 0, NULL); if (error) @@ -1816,7 +1816,7 @@ int gfs2_dir_add(struct inode *inode, const struct qstr *name, gfs2_inum_out(nip, dent); dent->de_type = cpu_to_be16(IF2DT(nip->i_inode.i_mode)); dent->de_rahead = cpu_to_be16(gfs2_inode_ra_len(nip)); - tv = CURRENT_TIME; + tv = current_time(&ip->i_inode); if (ip->i_diskflags & GFS2_DIF_EXHASH) { leaf = (struct gfs2_leaf *)bh->b_data; be16_add_cpu(&leaf->lf_entries, 1); @@ -1878,7 +1878,7 @@ int gfs2_dir_del(struct gfs2_inode *dip, const struct dentry *dentry) const struct qstr *name = &dentry->d_name; struct gfs2_dirent *dent, *prev = NULL; struct buffer_head *bh; - struct timespec tv = CURRENT_TIME; + struct timespec tv = current_time(&dip->i_inode); /* Returns _either_ the entry (if its first in block) or the previous entry otherwise */ @@ -1960,7 +1960,7 @@ int gfs2_dir_mvino(struct gfs2_inode *dip, const struct qstr *filename, gfs2_trans_add_meta(dip->i_gl, bh); } - dip->i_inode.i_mtime = dip->i_inode.i_ctime = CURRENT_TIME; + dip->i_inode.i_mtime = dip->i_inode.i_ctime = current_time(&dip->i_inode); gfs2_dinode_out(dip, bh->b_data); brelse(bh); return 0; diff --git a/fs/gfs2/inode.c b/fs/gfs2/inode.c index fb3a810b506f..fe3f84995c48 100644 --- a/fs/gfs2/inode.c +++ b/fs/gfs2/inode.c @@ -656,7 +656,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry, set_nlink(inode, S_ISDIR(mode) ? 2 : 1); inode->i_rdev = dev; inode->i_size = size; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); gfs2_set_inode_blocks(inode, 1); munge_mode_uid_gid(dip, inode); check_and_update_goal(dip); @@ -983,7 +983,7 @@ static int gfs2_link(struct dentry *old_dentry, struct inode *dir, gfs2_trans_add_meta(ip->i_gl, dibh); inc_nlink(&ip->i_inode); - ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_ctime = current_time(&ip->i_inode); ihold(inode); d_instantiate(dentry, inode); mark_inode_dirty(inode); @@ -1067,7 +1067,7 @@ static int gfs2_unlink_inode(struct gfs2_inode *dip, return error; ip->i_entries = 0; - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); if (S_ISDIR(inode->i_mode)) clear_nlink(inode); else @@ -1330,7 +1330,7 @@ static int update_moved_ino(struct gfs2_inode *ip, struct gfs2_inode *ndip, error = gfs2_meta_inode_buffer(ip, &dibh); if (error) return error; - ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -1936,7 +1936,7 @@ static int gfs2_setattr(struct dentry *dentry, struct iattr *attr) if (IS_IMMUTABLE(inode) || IS_APPEND(inode)) goto out; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) goto out; @@ -2040,10 +2040,7 @@ const struct inode_operations gfs2_file_iops = { .permission = gfs2_permission, .setattr = gfs2_setattr, .getattr = gfs2_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = gfs2_listxattr, - .removexattr = generic_removexattr, .fiemap = gfs2_fiemap, .get_acl = gfs2_get_acl, .set_acl = gfs2_set_acl, @@ -2058,14 +2055,11 @@ const struct inode_operations gfs2_dir_iops = { .mkdir = gfs2_mkdir, .rmdir = gfs2_unlink, .mknod = gfs2_mknod, - .rename2 = gfs2_rename2, + .rename = gfs2_rename2, .permission = gfs2_permission, .setattr = gfs2_setattr, .getattr = gfs2_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = gfs2_listxattr, - .removexattr = generic_removexattr, .fiemap = gfs2_fiemap, .get_acl = gfs2_get_acl, .set_acl = gfs2_set_acl, @@ -2078,10 +2072,7 @@ const struct inode_operations gfs2_symlink_iops = { .permission = gfs2_permission, .setattr = gfs2_setattr, .getattr = gfs2_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = gfs2_listxattr, - .removexattr = generic_removexattr, .fiemap = gfs2_fiemap, }; diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 8af2dfa09236..c2ca9566b764 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -854,7 +854,7 @@ static int gfs2_adjust_quota(struct gfs2_inode *ip, loff_t loc, size = loc + sizeof(struct gfs2_quota); if (size > inode->i_size) i_size_write(inode, size); - inode->i_mtime = inode->i_atime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = current_time(inode); mark_inode_dirty(inode); set_bit(QDF_REFRESH, &qd->qd_flags); } diff --git a/fs/gfs2/xattr.c b/fs/gfs2/xattr.c index 3a2853504084..a4a577088d19 100644 --- a/fs/gfs2/xattr.c +++ b/fs/gfs2/xattr.c @@ -309,7 +309,7 @@ static int ea_dealloc_unstuffed(struct gfs2_inode *ip, struct buffer_head *bh, error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { - ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -775,7 +775,7 @@ static int ea_alloc_skeleton(struct gfs2_inode *ip, struct gfs2_ea_request *er, error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { - ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -910,7 +910,7 @@ static int ea_set_simple_noalloc(struct gfs2_inode *ip, struct buffer_head *bh, error = gfs2_meta_inode_buffer(ip, &dibh); if (error) goto out; - ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); @@ -1133,7 +1133,7 @@ static int ea_remove_stuffed(struct gfs2_inode *ip, struct gfs2_ea_location *el) error = gfs2_meta_inode_buffer(ip, &dibh); if (!error) { - ip->i_inode.i_ctime = CURRENT_TIME; + ip->i_inode.i_ctime = current_time(&ip->i_inode); gfs2_trans_add_meta(ip->i_gl, dibh); gfs2_dinode_out(ip, dibh->b_data); brelse(dibh); diff --git a/fs/hfs/attr.c b/fs/hfs/attr.c index d9a86919fdf6..0933600e11c8 100644 --- a/fs/hfs/attr.c +++ b/fs/hfs/attr.c @@ -13,9 +13,13 @@ #include "hfs_fs.h" #include "btree.h" -int hfs_setxattr(struct dentry *unused, struct inode *inode, - const char *name, const void *value, - size_t size, int flags) +enum hfs_xattr_type { + HFS_TYPE, + HFS_CREATOR, +}; + +static int __hfs_setxattr(struct inode *inode, enum hfs_xattr_type type, + const void *value, size_t size, int flags) { struct hfs_find_data fd; hfs_cat_rec rec; @@ -36,18 +40,22 @@ int hfs_setxattr(struct dentry *unused, struct inode *inode, sizeof(struct hfs_cat_file)); file = &rec.file; - if (!strcmp(name, "hfs.type")) { + switch (type) { + case HFS_TYPE: if (size == 4) memcpy(&file->UsrWds.fdType, value, 4); else res = -ERANGE; - } else if (!strcmp(name, "hfs.creator")) { + break; + + case HFS_CREATOR: if (size == 4) memcpy(&file->UsrWds.fdCreator, value, 4); else res = -ERANGE; - } else - res = -EOPNOTSUPP; + break; + } + if (!res) hfs_bnode_write(fd.bnode, &rec, fd.entryoffset, sizeof(struct hfs_cat_file)); @@ -56,8 +64,8 @@ out: return res; } -ssize_t hfs_getxattr(struct dentry *unused, struct inode *inode, - const char *name, void *value, size_t size) +static ssize_t __hfs_getxattr(struct inode *inode, enum hfs_xattr_type type, + void *value, size_t size) { struct hfs_find_data fd; hfs_cat_rec rec; @@ -80,41 +88,64 @@ ssize_t hfs_getxattr(struct dentry *unused, struct inode *inode, } file = &rec.file; - if (!strcmp(name, "hfs.type")) { + switch (type) { + case HFS_TYPE: if (size >= 4) { memcpy(value, &file->UsrWds.fdType, 4); res = 4; } else res = size ? -ERANGE : 4; - } else if (!strcmp(name, "hfs.creator")) { + break; + + case HFS_CREATOR: if (size >= 4) { memcpy(value, &file->UsrWds.fdCreator, 4); res = 4; } else res = size ? -ERANGE : 4; - } else - res = -ENODATA; + break; + } + out: if (size) hfs_find_exit(&fd); return res; } -#define HFS_ATTRLIST_SIZE (sizeof("hfs.creator")+sizeof("hfs.type")) - -ssize_t hfs_listxattr(struct dentry *dentry, char *buffer, size_t size) +static int hfs_xattr_get(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *name, void *value, size_t size) { - struct inode *inode = d_inode(dentry); + return __hfs_getxattr(inode, handler->flags, value, size); +} - if (!S_ISREG(inode->i_mode) || HFS_IS_RSRC(inode)) +static int hfs_xattr_set(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *name, const void *value, size_t size, + int flags) +{ + if (!value) return -EOPNOTSUPP; - if (!buffer || !size) - return HFS_ATTRLIST_SIZE; - if (size < HFS_ATTRLIST_SIZE) - return -ERANGE; - strcpy(buffer, "hfs.type"); - strcpy(buffer + sizeof("hfs.type"), "hfs.creator"); - - return HFS_ATTRLIST_SIZE; + return __hfs_setxattr(inode, handler->flags, value, size, flags); } + +static const struct xattr_handler hfs_creator_handler = { + .name = "hfs.creator", + .flags = HFS_CREATOR, + .get = hfs_xattr_get, + .set = hfs_xattr_set, +}; + +static const struct xattr_handler hfs_type_handler = { + .name = "hfs.type", + .flags = HFS_TYPE, + .get = hfs_xattr_get, + .set = hfs_xattr_set, +}; + +const struct xattr_handler *hfs_xattr_handlers[] = { + &hfs_creator_handler, + &hfs_type_handler, + NULL +}; diff --git a/fs/hfs/catalog.c b/fs/hfs/catalog.c index 8f4afd3f5108..8a66405b0f8b 100644 --- a/fs/hfs/catalog.c +++ b/fs/hfs/catalog.c @@ -125,7 +125,7 @@ int hfs_cat_create(u32 cnid, struct inode *dir, const struct qstr *str, struct i goto err1; dir->i_size++; - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); hfs_find_exit(&fd); return 0; @@ -261,7 +261,7 @@ int hfs_cat_delete(u32 cnid, struct inode *dir, const struct qstr *str) } dir->i_size--; - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); res = 0; out: @@ -321,7 +321,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, const struct qstr *src_name, if (err) goto out; dst_dir->i_size++; - dst_dir->i_mtime = dst_dir->i_ctime = CURRENT_TIME_SEC; + dst_dir->i_mtime = dst_dir->i_ctime = current_time(dst_dir); mark_inode_dirty(dst_dir); /* finally remove the old entry */ @@ -333,7 +333,7 @@ int hfs_cat_move(u32 cnid, struct inode *src_dir, const struct qstr *src_name, if (err) goto out; src_dir->i_size--; - src_dir->i_mtime = src_dir->i_ctime = CURRENT_TIME_SEC; + src_dir->i_mtime = src_dir->i_ctime = current_time(src_dir); mark_inode_dirty(src_dir); type = entry.type; diff --git a/fs/hfs/dir.c b/fs/hfs/dir.c index 163190ecc0d2..5de5c48b418d 100644 --- a/fs/hfs/dir.c +++ b/fs/hfs/dir.c @@ -268,7 +268,7 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry) if (res) return res; clear_nlink(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); hfs_delete_inode(inode); mark_inode_dirty(inode); return 0; @@ -286,10 +286,14 @@ static int hfs_remove(struct inode *dir, struct dentry *dentry) * XXX: how do you handle must_be dir? */ static int hfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int res; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* Unlink destination if it already exists */ if (d_really_is_positive(new_dentry)) { res = hfs_remove(new_dir, new_dentry); diff --git a/fs/hfs/hfs_fs.h b/fs/hfs/hfs_fs.h index 16f5172ee40d..4cdec5a19347 100644 --- a/fs/hfs/hfs_fs.h +++ b/fs/hfs/hfs_fs.h @@ -212,11 +212,7 @@ extern void hfs_evict_inode(struct inode *); extern void hfs_delete_inode(struct inode *); /* attr.c */ -extern int hfs_setxattr(struct dentry *dentry, struct inode *inode, const char *name, - const void *value, size_t size, int flags); -extern ssize_t hfs_getxattr(struct dentry *dentry, struct inode *inode, - const char *name, void *value, size_t size); -extern ssize_t hfs_listxattr(struct dentry *dentry, char *buffer, size_t size); +extern const struct xattr_handler *hfs_xattr_handlers[]; /* mdb.c */ extern int hfs_mdb_get(struct super_block *); diff --git a/fs/hfs/inode.c b/fs/hfs/inode.c index c6a32415735b..f776acf2378a 100644 --- a/fs/hfs/inode.c +++ b/fs/hfs/inode.c @@ -15,6 +15,7 @@ #include <linux/mpage.h> #include <linux/sched.h> #include <linux/uio.h> +#include <linux/xattr.h> #include "hfs_fs.h" #include "btree.h" @@ -193,7 +194,7 @@ struct inode *hfs_new_inode(struct inode *dir, const struct qstr *name, umode_t inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); set_nlink(inode, 1); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); HFS_I(inode)->flags = 0; HFS_I(inode)->rsrc_inode = NULL; HFS_I(inode)->fs_blocks = 0; @@ -605,7 +606,7 @@ int hfs_inode_setattr(struct dentry *dentry, struct iattr * attr) struct hfs_sb_info *hsb = HFS_SB(inode->i_sb); int error; - error = inode_change_ok(inode, attr); /* basic permission checks */ + error = setattr_prepare(dentry, attr); /* basic permission checks */ if (error) return error; @@ -687,7 +688,5 @@ static const struct file_operations hfs_file_operations = { static const struct inode_operations hfs_file_inode_operations = { .lookup = hfs_file_lookup, .setattr = hfs_inode_setattr, - .setxattr = hfs_setxattr, - .getxattr = hfs_getxattr, - .listxattr = hfs_listxattr, + .listxattr = generic_listxattr, }; diff --git a/fs/hfs/super.c b/fs/hfs/super.c index 1ca95c232bb5..bf6304a350a6 100644 --- a/fs/hfs/super.c +++ b/fs/hfs/super.c @@ -406,6 +406,7 @@ static int hfs_fill_super(struct super_block *sb, void *data, int silent) } sb->s_op = &hfs_super_operations; + sb->s_xattr = hfs_xattr_handlers; sb->s_flags |= MS_NODIRATIME; mutex_init(&sbi->bitmap_lock); diff --git a/fs/hfsplus/catalog.c b/fs/hfsplus/catalog.c index 142534d3c2d5..a5e00f7a4c14 100644 --- a/fs/hfsplus/catalog.c +++ b/fs/hfsplus/catalog.c @@ -303,7 +303,7 @@ int hfsplus_create_cat(u32 cnid, struct inode *dir, dir->i_size++; if (S_ISDIR(inode->i_mode)) hfsplus_subfolders_inc(dir); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); hfs_find_exit(&fd); @@ -400,7 +400,7 @@ int hfsplus_delete_cat(u32 cnid, struct inode *dir, const struct qstr *str) dir->i_size--; if (type == HFSPLUS_FOLDER) hfsplus_subfolders_dec(dir); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); hfsplus_mark_inode_dirty(dir, HFSPLUS_I_CAT_DIRTY); if (type == HFSPLUS_FILE || type == HFSPLUS_FOLDER) { @@ -469,7 +469,7 @@ int hfsplus_rename_cat(u32 cnid, dst_dir->i_size++; if (type == HFSPLUS_FOLDER) hfsplus_subfolders_inc(dst_dir); - dst_dir->i_mtime = dst_dir->i_ctime = CURRENT_TIME_SEC; + dst_dir->i_mtime = dst_dir->i_ctime = current_time(dst_dir); /* finally remove the old entry */ err = hfsplus_cat_build_key(sb, src_fd.search_key, @@ -486,7 +486,7 @@ int hfsplus_rename_cat(u32 cnid, src_dir->i_size--; if (type == HFSPLUS_FOLDER) hfsplus_subfolders_dec(src_dir); - src_dir->i_mtime = src_dir->i_ctime = CURRENT_TIME_SEC; + src_dir->i_mtime = src_dir->i_ctime = current_time(src_dir); /* remove old thread entry */ hfsplus_cat_build_key_with_cnid(sb, src_fd.search_key, cnid); diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 42e128661dc1..31d5e3f1fe17 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -347,7 +347,7 @@ static int hfsplus_link(struct dentry *src_dentry, struct inode *dst_dir, inc_nlink(inode); hfsplus_instantiate(dst_dentry, inode, cnid); ihold(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); sbi->file_count++; hfsplus_mark_mdb_dirty(dst_dir->i_sb); @@ -406,7 +406,7 @@ static int hfsplus_unlink(struct inode *dir, struct dentry *dentry) hfsplus_delete_inode(inode); } else sbi->file_count--; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); out: mutex_unlock(&sbi->vh_mutex); @@ -427,7 +427,7 @@ static int hfsplus_rmdir(struct inode *dir, struct dentry *dentry) if (res) goto out; clear_nlink(inode); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); hfsplus_delete_inode(inode); mark_inode_dirty(inode); out: @@ -530,10 +530,14 @@ static int hfsplus_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) } static int hfsplus_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int res; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* Unlink destination if it already exists */ if (d_really_is_positive(new_dentry)) { if (d_is_dir(new_dentry)) @@ -562,10 +566,7 @@ const struct inode_operations hfsplus_dir_inode_operations = { .symlink = hfsplus_symlink, .mknod = hfsplus_mknod, .rename = hfsplus_rename, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = hfsplus_listxattr, - .removexattr = generic_removexattr, #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL .get_acl = hfsplus_get_posix_acl, .set_acl = hfsplus_set_posix_acl, diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c index 19462d773fe2..2e796f8302ff 100644 --- a/fs/hfsplus/inode.c +++ b/fs/hfsplus/inode.c @@ -245,7 +245,7 @@ static int hfsplus_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; @@ -333,10 +333,7 @@ int hfsplus_file_fsync(struct file *file, loff_t start, loff_t end, static const struct inode_operations hfsplus_file_inode_operations = { .setattr = hfsplus_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = hfsplus_listxattr, - .removexattr = generic_removexattr, #ifdef CONFIG_HFSPLUS_FS_POSIX_ACL .get_acl = hfsplus_get_posix_acl, .set_acl = hfsplus_set_posix_acl, @@ -369,7 +366,7 @@ struct inode *hfsplus_new_inode(struct super_block *sb, umode_t mode) inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); set_nlink(inode, 1); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); hip = HFSPLUS_I(inode); INIT_LIST_HEAD(&hip->open_dir_list); diff --git a/fs/hfsplus/ioctl.c b/fs/hfsplus/ioctl.c index 32a49e292b6a..99627f8a0a18 100644 --- a/fs/hfsplus/ioctl.c +++ b/fs/hfsplus/ioctl.c @@ -122,7 +122,7 @@ static int hfsplus_ioctl_setflags(struct file *file, int __user *user_flags) else hip->userflags &= ~HFSPLUS_FLG_NODUMP; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); out_unlock_inode: diff --git a/fs/hfsplus/posix_acl.c b/fs/hfsplus/posix_acl.c index ab7ea2506b4d..9b92058a1240 100644 --- a/fs/hfsplus/posix_acl.c +++ b/fs/hfsplus/posix_acl.c @@ -65,8 +65,8 @@ int hfsplus_set_posix_acl(struct inode *inode, struct posix_acl *acl, case ACL_TYPE_ACCESS: xattr_name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - err = posix_acl_equiv_mode(acl, &inode->i_mode); - if (err < 0) + err = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (err) return err; } err = 0; diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c index 90e46cd752fe..23e15ea53e45 100644 --- a/fs/hostfs/hostfs_kern.c +++ b/fs/hostfs/hostfs_kern.c @@ -812,7 +812,7 @@ static int hostfs_setattr(struct dentry *dentry, struct iattr *attr) int fd = HOSTFS_I(inode)->fd; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -885,7 +885,7 @@ static const struct inode_operations hostfs_dir_iops = { .mkdir = hostfs_mkdir, .rmdir = hostfs_rmdir, .mknod = hostfs_mknod, - .rename2 = hostfs_rename2, + .rename = hostfs_rename2, .permission = hostfs_permission, .setattr = hostfs_setattr, }; diff --git a/fs/hpfs/file.c b/fs/hpfs/file.c index d3bcdd975700..b3be1b5a62e2 100644 --- a/fs/hpfs/file.c +++ b/fs/hpfs/file.c @@ -189,6 +189,11 @@ static sector_t _hpfs_bmap(struct address_space *mapping, sector_t block) return generic_block_bmap(mapping, block, hpfs_get_block); } +static int hpfs_fiemap(struct inode *inode, struct fiemap_extent_info *fieinfo, u64 start, u64 len) +{ + return generic_block_fiemap(inode, fieinfo, start, len, hpfs_get_block); +} + const struct address_space_operations hpfs_aops = { .readpage = hpfs_readpage, .writepage = hpfs_writepage, @@ -214,4 +219,5 @@ const struct file_operations hpfs_file_ops = const struct inode_operations hpfs_file_iops = { .setattr = hpfs_setattr, + .fiemap = hpfs_fiemap, }; diff --git a/fs/hpfs/inode.c b/fs/hpfs/inode.c index 1f3c6d76200b..b9c724ed1e7e 100644 --- a/fs/hpfs/inode.c +++ b/fs/hpfs/inode.c @@ -273,7 +273,7 @@ int hpfs_setattr(struct dentry *dentry, struct iattr *attr) if ((attr->ia_valid & ATTR_SIZE) && attr->ia_size > inode->i_size) goto out_unlock; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) goto out_unlock; diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c index bb8d67e2740a..f30c14414518 100644 --- a/fs/hpfs/namei.c +++ b/fs/hpfs/namei.c @@ -507,7 +507,8 @@ const struct address_space_operations hpfs_symlink_aops = { }; static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { const unsigned char *old_name = old_dentry->d_name.name; unsigned old_len = old_dentry->d_name.len; @@ -524,6 +525,9 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct fnode *fnode; int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if ((err = hpfs_chk_name(new_name, &new_len))) return err; err = 0; hpfs_adjust_length(old_name, &old_len); diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c index 7337cac29e9e..4fb7b10f3a05 100644 --- a/fs/hugetlbfs/inode.c +++ b/fs/hugetlbfs/inode.c @@ -655,7 +655,7 @@ static long hugetlbfs_fallocate(struct file *file, int mode, loff_t offset, if (!(mode & FALLOC_FL_KEEP_SIZE) && offset + len > inode->i_size) i_size_write(inode, offset + len); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); out: inode_unlock(inode); return error; @@ -670,7 +670,7 @@ static int hugetlbfs_setattr(struct dentry *dentry, struct iattr *attr) BUG_ON(!inode); - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; @@ -700,7 +700,7 @@ static struct inode *hugetlbfs_get_root(struct super_block *sb, inode->i_mode = S_IFDIR | config->mode; inode->i_uid = config->uid; inode->i_gid = config->gid; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); info = HUGETLBFS_I(inode); mpol_shared_policy_init(&info->policy, NULL); inode->i_op = &hugetlbfs_dir_inode_operations; @@ -739,7 +739,7 @@ static struct inode *hugetlbfs_get_inode(struct super_block *sb, lockdep_set_class(&inode->i_mapping->i_mmap_rwsem, &hugetlbfs_i_mmap_rwsem_key); inode->i_mapping->a_ops = &hugetlbfs_aops; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_mapping->private_data = resv_map; info = HUGETLBFS_I(inode); /* @@ -788,7 +788,7 @@ static int hugetlbfs_mknod(struct inode *dir, inode = hugetlbfs_get_inode(dir->i_sb, dir, mode, dev); if (inode) { - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); d_instantiate(dentry, inode); dget(dentry); /* Extra count - pin the dentry in core */ error = 0; @@ -825,7 +825,7 @@ static int hugetlbfs_symlink(struct inode *dir, } else iput(inode); } - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); return error; } diff --git a/fs/inode.c b/fs/inode.c index 7e3ef3af3db9..88110fd0b282 100644 --- a/fs/inode.c +++ b/fs/inode.c @@ -140,6 +140,8 @@ int inode_init_always(struct super_block *sb, struct inode *inode) inode->i_fop = &no_open_fops; inode->__i_nlink = 1; inode->i_opflags = 0; + if (sb->s_xattr) + inode->i_opflags |= IOP_XATTR; i_uid_write(inode, 0); i_gid_write(inode, 0); atomic_set(&inode->i_writecount, 0); @@ -1021,13 +1023,17 @@ struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, { struct hlist_head *head = inode_hashtable + hash(sb, hashval); struct inode *inode; - +again: spin_lock(&inode_hash_lock); inode = find_inode(sb, head, test, data); spin_unlock(&inode_hash_lock); if (inode) { wait_on_inode(inode); + if (unlikely(inode_unhashed(inode))) { + iput(inode); + goto again; + } return inode; } @@ -1064,6 +1070,10 @@ struct inode *iget5_locked(struct super_block *sb, unsigned long hashval, destroy_inode(inode); inode = old; wait_on_inode(inode); + if (unlikely(inode_unhashed(inode))) { + iput(inode); + goto again; + } } return inode; @@ -1091,12 +1101,16 @@ struct inode *iget_locked(struct super_block *sb, unsigned long ino) { struct hlist_head *head = inode_hashtable + hash(sb, ino); struct inode *inode; - +again: spin_lock(&inode_hash_lock); inode = find_inode_fast(sb, head, ino); spin_unlock(&inode_hash_lock); if (inode) { wait_on_inode(inode); + if (unlikely(inode_unhashed(inode))) { + iput(inode); + goto again; + } return inode; } @@ -1131,6 +1145,10 @@ struct inode *iget_locked(struct super_block *sb, unsigned long ino) destroy_inode(inode); inode = old; wait_on_inode(inode); + if (unlikely(inode_unhashed(inode))) { + iput(inode); + goto again; + } } return inode; } @@ -1266,10 +1284,16 @@ EXPORT_SYMBOL(ilookup5_nowait); struct inode *ilookup5(struct super_block *sb, unsigned long hashval, int (*test)(struct inode *, void *), void *data) { - struct inode *inode = ilookup5_nowait(sb, hashval, test, data); - - if (inode) + struct inode *inode; +again: + inode = ilookup5_nowait(sb, hashval, test, data); + if (inode) { wait_on_inode(inode); + if (unlikely(inode_unhashed(inode))) { + iput(inode); + goto again; + } + } return inode; } EXPORT_SYMBOL(ilookup5); @@ -1286,13 +1310,18 @@ struct inode *ilookup(struct super_block *sb, unsigned long ino) { struct hlist_head *head = inode_hashtable + hash(sb, ino); struct inode *inode; - +again: spin_lock(&inode_hash_lock); inode = find_inode_fast(sb, head, ino); spin_unlock(&inode_hash_lock); - if (inode) + if (inode) { wait_on_inode(inode); + if (unlikely(inode_unhashed(inode))) { + iput(inode); + goto again; + } + } return inode; } EXPORT_SYMBOL(ilookup); @@ -1536,16 +1565,36 @@ sector_t bmap(struct inode *inode, sector_t block) EXPORT_SYMBOL(bmap); /* + * Update times in overlayed inode from underlying real inode + */ +static void update_ovl_inode_times(struct dentry *dentry, struct inode *inode, + bool rcu) +{ + if (!rcu) { + struct inode *realinode = d_real_inode(dentry); + + if (unlikely(inode != realinode) && + (!timespec_equal(&inode->i_mtime, &realinode->i_mtime) || + !timespec_equal(&inode->i_ctime, &realinode->i_ctime))) { + inode->i_mtime = realinode->i_mtime; + inode->i_ctime = realinode->i_ctime; + } + } +} + +/* * With relative atime, only update atime if the previous atime is * earlier than either the ctime or mtime or if at least a day has * passed since the last atime update. */ -static int relatime_need_update(struct vfsmount *mnt, struct inode *inode, - struct timespec now) +static int relatime_need_update(const struct path *path, struct inode *inode, + struct timespec now, bool rcu) { - if (!(mnt->mnt_flags & MNT_RELATIME)) + if (!(path->mnt->mnt_flags & MNT_RELATIME)) return 1; + + update_ovl_inode_times(path->dentry, inode, rcu); /* * Is mtime younger than atime? If yes, update atime: */ @@ -1612,7 +1661,8 @@ static int update_time(struct inode *inode, struct timespec *time, int flags) * This function automatically handles read only file systems and media, * as well as the "noatime" flag and inode specific "noatime" markers. */ -bool atime_needs_update(const struct path *path, struct inode *inode) +bool __atime_needs_update(const struct path *path, struct inode *inode, + bool rcu) { struct vfsmount *mnt = path->mnt; struct timespec now; @@ -1636,9 +1686,9 @@ bool atime_needs_update(const struct path *path, struct inode *inode) if ((mnt->mnt_flags & MNT_NODIRATIME) && S_ISDIR(inode->i_mode)) return false; - now = current_fs_time(inode->i_sb); + now = current_time(inode); - if (!relatime_need_update(mnt, inode, now)) + if (!relatime_need_update(path, inode, now, rcu)) return false; if (timespec_equal(&inode->i_atime, &now)) @@ -1653,7 +1703,7 @@ void touch_atime(const struct path *path) struct inode *inode = d_inode(path->dentry); struct timespec now; - if (!atime_needs_update(path, inode)) + if (!__atime_needs_update(path, inode, false)) return; if (!sb_start_write_trylock(inode->i_sb)) @@ -1670,7 +1720,7 @@ void touch_atime(const struct path *path) * We may also fail on filesystems that have the ability to make parts * of the fs read only, e.g. subvolumes in Btrfs. */ - now = current_fs_time(inode->i_sb); + now = current_time(inode); update_time(inode, &now, S_ATIME); __mnt_drop_write(mnt); skip_update: @@ -1793,7 +1843,7 @@ int file_update_time(struct file *file) if (IS_NOCMTIME(inode)) return 0; - now = current_fs_time(inode->i_sb); + now = current_time(inode); if (!timespec_equal(&inode->i_mtime, &now)) sync_it = S_MTIME; @@ -2049,3 +2099,26 @@ void inode_nohighmem(struct inode *inode) mapping_set_gfp_mask(inode->i_mapping, GFP_USER); } EXPORT_SYMBOL(inode_nohighmem); + +/** + * current_time - Return FS time + * @inode: inode. + * + * Return the current time truncated to the time granularity supported by + * the fs. + * + * Note that inode and inode->sb cannot be NULL. + * Otherwise, the function warns and returns time without truncation. + */ +struct timespec current_time(struct inode *inode) +{ + struct timespec now = current_kernel_time(); + + if (unlikely(!inode->i_sb)) { + WARN(1, "current_time() called with uninitialized super_block in the inode"); + return now; + } + + return timespec_trunc(now, inode->i_sb->s_time_gran); +} +EXPORT_SYMBOL(current_time); diff --git a/fs/internal.h b/fs/internal.h index 859178692ce4..f4da3341b4a3 100644 --- a/fs/internal.h +++ b/fs/internal.h @@ -121,6 +121,15 @@ extern long prune_icache_sb(struct super_block *sb, struct shrink_control *sc); extern void inode_add_lru(struct inode *inode); extern int dentry_needs_remove_privs(struct dentry *dentry); +extern bool __atime_needs_update(const struct path *, struct inode *, bool); +static inline bool atime_needs_update_rcu(const struct path *path, + struct inode *inode) +{ + return __atime_needs_update(path, inode, true); +} + +extern bool atime_needs_update_rcu(const struct path *, struct inode *); + /* * fs-writeback.c */ @@ -157,7 +166,7 @@ extern void mnt_pin_kill(struct mount *m); /* * fs/nsfs.c */ -extern struct dentry_operations ns_dentry_operations; +extern const struct dentry_operations ns_dentry_operations; /* * fs/ioctl.c diff --git a/fs/jbd2/commit.c b/fs/jbd2/commit.c index 5bb565f9989c..31f8ca046639 100644 --- a/fs/jbd2/commit.c +++ b/fs/jbd2/commit.c @@ -269,8 +269,7 @@ static int journal_finish_inode_data_buffers(journal_t *journal, * filemap_fdatawait_range(), set it again so * that user process can get -EIO from fsync(). */ - set_bit(AS_EIO, - &jinode->i_vfs_inode->i_mapping->flags); + mapping_set_error(jinode->i_vfs_inode->i_mapping, -EIO); if (!ret) ret = err; diff --git a/fs/jffs2/acl.c b/fs/jffs2/acl.c index bc2693d56298..7ebacf14837f 100644 --- a/fs/jffs2/acl.c +++ b/fs/jffs2/acl.c @@ -233,22 +233,21 @@ int jffs2_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: xprefix = JFFS2_XPREFIX_ACL_ACCESS; if (acl) { - umode_t mode = inode->i_mode; - rc = posix_acl_equiv_mode(acl, &mode); - if (rc < 0) + umode_t mode; + + rc = posix_acl_update_mode(inode, &mode, &acl); + if (rc) return rc; if (inode->i_mode != mode) { struct iattr attr; attr.ia_valid = ATTR_MODE | ATTR_CTIME; attr.ia_mode = mode; - attr.ia_ctime = CURRENT_TIME_SEC; + attr.ia_ctime = current_time(inode); rc = jffs2_do_setattr(inode, &attr); if (rc < 0) return rc; } - if (rc == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: diff --git a/fs/jffs2/dir.c b/fs/jffs2/dir.c index 30eb33ff8189..0a754f38462e 100644 --- a/fs/jffs2/dir.c +++ b/fs/jffs2/dir.c @@ -35,7 +35,8 @@ static int jffs2_mkdir (struct inode *,struct dentry *,umode_t); static int jffs2_rmdir (struct inode *,struct dentry *); static int jffs2_mknod (struct inode *,struct dentry *,umode_t,dev_t); static int jffs2_rename (struct inode *, struct dentry *, - struct inode *, struct dentry *); + struct inode *, struct dentry *, + unsigned int); const struct file_operations jffs2_dir_operations = { @@ -61,10 +62,7 @@ const struct inode_operations jffs2_dir_inode_operations = .get_acl = jffs2_get_acl, .set_acl = jffs2_set_acl, .setattr = jffs2_setattr, - .setxattr = jffs2_setxattr, - .getxattr = jffs2_getxattr, .listxattr = jffs2_listxattr, - .removexattr = jffs2_removexattr }; /***********************************************************************/ @@ -759,7 +757,8 @@ static int jffs2_mknod (struct inode *dir_i, struct dentry *dentry, umode_t mode } static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry, - struct inode *new_dir_i, struct dentry *new_dentry) + struct inode *new_dir_i, struct dentry *new_dentry, + unsigned int flags) { int ret; struct jffs2_sb_info *c = JFFS2_SB_INFO(old_dir_i->i_sb); @@ -767,6 +766,9 @@ static int jffs2_rename (struct inode *old_dir_i, struct dentry *old_dentry, uint8_t type; uint32_t now; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* The VFS will check for us and prevent trying to rename a * file over a directory and vice versa, but if it's a directory, * the VFS can't check whether the victim is empty. The filesystem diff --git a/fs/jffs2/file.c b/fs/jffs2/file.c index 0e62dec3effc..c12476e309c6 100644 --- a/fs/jffs2/file.c +++ b/fs/jffs2/file.c @@ -66,10 +66,7 @@ const struct inode_operations jffs2_file_inode_operations = .get_acl = jffs2_get_acl, .set_acl = jffs2_set_acl, .setattr = jffs2_setattr, - .setxattr = jffs2_setxattr, - .getxattr = jffs2_getxattr, .listxattr = jffs2_listxattr, - .removexattr = jffs2_removexattr }; const struct address_space_operations jffs2_file_address_operations = diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c index ae2ebb26b446..567653f7c0ce 100644 --- a/fs/jffs2/fs.c +++ b/fs/jffs2/fs.c @@ -193,7 +193,7 @@ int jffs2_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int rc; - rc = inode_change_ok(inode, iattr); + rc = setattr_prepare(dentry, iattr); if (rc) return rc; @@ -472,7 +472,7 @@ struct inode *jffs2_new_inode (struct inode *dir_i, umode_t mode, struct jffs2_r inode->i_mode = jemode_to_cpu(ri->mode); i_gid_write(inode, je16_to_cpu(ri->gid)); i_uid_write(inode, je16_to_cpu(ri->uid)); - inode->i_atime = inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_atime = inode->i_ctime = inode->i_mtime = current_time(inode); ri->atime = ri->mtime = ri->ctime = cpu_to_je32(I_SEC(inode->i_mtime)); inode->i_blocks = 0; diff --git a/fs/jffs2/symlink.c b/fs/jffs2/symlink.c index 2cabd649d4fb..8f3f0855fcd2 100644 --- a/fs/jffs2/symlink.c +++ b/fs/jffs2/symlink.c @@ -16,8 +16,5 @@ const struct inode_operations jffs2_symlink_inode_operations = .readlink = generic_readlink, .get_link = simple_get_link, .setattr = jffs2_setattr, - .setxattr = jffs2_setxattr, - .getxattr = jffs2_getxattr, .listxattr = jffs2_listxattr, - .removexattr = jffs2_removexattr }; diff --git a/fs/jffs2/xattr.h b/fs/jffs2/xattr.h index 467ff376ee26..720007b2fd65 100644 --- a/fs/jffs2/xattr.h +++ b/fs/jffs2/xattr.h @@ -99,9 +99,6 @@ extern const struct xattr_handler jffs2_user_xattr_handler; extern const struct xattr_handler jffs2_trusted_xattr_handler; extern ssize_t jffs2_listxattr(struct dentry *, char *, size_t); -#define jffs2_getxattr generic_getxattr -#define jffs2_setxattr generic_setxattr -#define jffs2_removexattr generic_removexattr #else @@ -116,9 +113,6 @@ extern ssize_t jffs2_listxattr(struct dentry *, char *, size_t); #define jffs2_xattr_handlers NULL #define jffs2_listxattr NULL -#define jffs2_getxattr NULL -#define jffs2_setxattr NULL -#define jffs2_removexattr NULL #endif /* CONFIG_JFFS2_FS_XATTR */ diff --git a/fs/jfs/acl.c b/fs/jfs/acl.c index 21fa92ba2c19..7bc186f4ed4d 100644 --- a/fs/jfs/acl.c +++ b/fs/jfs/acl.c @@ -78,13 +78,11 @@ static int __jfs_set_acl(tid_t tid, struct inode *inode, int type, case ACL_TYPE_ACCESS: ea_name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - rc = posix_acl_equiv_mode(acl, &inode->i_mode); - if (rc < 0) + rc = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (rc) return rc; - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); - if (rc == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: diff --git a/fs/jfs/file.c b/fs/jfs/file.c index 7f1a585a0a94..739492c7a3fd 100644 --- a/fs/jfs/file.c +++ b/fs/jfs/file.c @@ -103,7 +103,7 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int rc; - rc = inode_change_ok(inode, iattr); + rc = setattr_prepare(dentry, iattr); if (rc) return rc; @@ -140,10 +140,7 @@ int jfs_setattr(struct dentry *dentry, struct iattr *iattr) } const struct inode_operations jfs_file_inode_operations = { - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = jfs_listxattr, - .removexattr = generic_removexattr, .setattr = jfs_setattr, #ifdef CONFIG_JFS_POSIX_ACL .get_acl = jfs_get_acl, diff --git a/fs/jfs/inode.c b/fs/jfs/inode.c index ad3e7b1effc4..054cc761b426 100644 --- a/fs/jfs/inode.c +++ b/fs/jfs/inode.c @@ -403,7 +403,7 @@ void jfs_truncate_nolock(struct inode *ip, loff_t length) break; } - ip->i_mtime = ip->i_ctime = CURRENT_TIME; + ip->i_mtime = ip->i_ctime = current_time(ip); mark_inode_dirty(ip); txCommit(tid, 1, &ip, 0); diff --git a/fs/jfs/jfs_inode.c b/fs/jfs/jfs_inode.c index 5e33cb9a190d..375dd257a34f 100644 --- a/fs/jfs/jfs_inode.c +++ b/fs/jfs/jfs_inode.c @@ -131,7 +131,7 @@ struct inode *ialloc(struct inode *parent, umode_t mode) jfs_inode->mode2 |= inode->i_mode; inode->i_blocks = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); jfs_inode->otime = inode->i_ctime.tv_sec; inode->i_generation = JFS_SBI(sb)->gengen++; diff --git a/fs/jfs/namei.c b/fs/jfs/namei.c index 814b0c58016c..b41596d71858 100644 --- a/fs/jfs/namei.c +++ b/fs/jfs/namei.c @@ -162,7 +162,7 @@ static int jfs_create(struct inode *dip, struct dentry *dentry, umode_t mode, mark_inode_dirty(ip); - dip->i_ctime = dip->i_mtime = CURRENT_TIME; + dip->i_ctime = dip->i_mtime = current_time(dip); mark_inode_dirty(dip); @@ -298,7 +298,7 @@ static int jfs_mkdir(struct inode *dip, struct dentry *dentry, umode_t mode) /* update parent directory inode */ inc_nlink(dip); /* for '..' from child directory */ - dip->i_ctime = dip->i_mtime = CURRENT_TIME; + dip->i_ctime = dip->i_mtime = current_time(dip); mark_inode_dirty(dip); rc = txCommit(tid, 2, &iplist[0], 0); @@ -406,7 +406,7 @@ static int jfs_rmdir(struct inode *dip, struct dentry *dentry) /* update parent directory's link count corresponding * to ".." entry of the target directory deleted */ - dip->i_ctime = dip->i_mtime = CURRENT_TIME; + dip->i_ctime = dip->i_mtime = current_time(dip); inode_dec_link_count(dip); /* @@ -528,7 +528,7 @@ static int jfs_unlink(struct inode *dip, struct dentry *dentry) ASSERT(ip->i_nlink); - ip->i_ctime = dip->i_ctime = dip->i_mtime = CURRENT_TIME; + ip->i_ctime = dip->i_ctime = dip->i_mtime = current_time(ip); mark_inode_dirty(dip); /* update target's inode */ @@ -838,8 +838,8 @@ static int jfs_link(struct dentry *old_dentry, /* update object inode */ inc_nlink(ip); /* for new link */ - ip->i_ctime = CURRENT_TIME; - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + ip->i_ctime = current_time(ip); + dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); ihold(ip); @@ -1039,7 +1039,7 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, mark_inode_dirty(ip); - dip->i_ctime = dip->i_mtime = CURRENT_TIME; + dip->i_ctime = dip->i_mtime = current_time(dip); mark_inode_dirty(dip); /* * commit update of parent directory and link object @@ -1078,7 +1078,8 @@ static int jfs_symlink(struct inode *dip, struct dentry *dentry, * FUNCTION: rename a file or directory */ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct btstack btstack; ino_t ino; @@ -1097,6 +1098,8 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, s64 new_size = 0; int commit_flag; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; jfs_info("jfs_rename: %pd %pd", old_dentry, new_dentry); @@ -1215,7 +1218,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, tblk->xflag |= COMMIT_DELETE; tblk->u.ip = new_ip; } else { - new_ip->i_ctime = CURRENT_TIME; + new_ip->i_ctime = current_time(new_ip); mark_inode_dirty(new_ip); } } else { @@ -1278,10 +1281,10 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, /* * Update ctime on changed/moved inodes & mark dirty */ - old_ip->i_ctime = CURRENT_TIME; + old_ip->i_ctime = current_time(old_ip); mark_inode_dirty(old_ip); - new_dir->i_ctime = new_dir->i_mtime = current_fs_time(new_dir->i_sb); + new_dir->i_ctime = new_dir->i_mtime = current_time(new_dir); mark_inode_dirty(new_dir); /* Build list of inodes modified by this transaction */ @@ -1293,7 +1296,7 @@ static int jfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (old_dir != new_dir) { iplist[ipcount++] = new_dir; - old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME; + old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); mark_inode_dirty(old_dir); } @@ -1426,7 +1429,7 @@ static int jfs_mknod(struct inode *dir, struct dentry *dentry, mark_inode_dirty(ip); - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); @@ -1537,10 +1540,7 @@ const struct inode_operations jfs_dir_inode_operations = { .rmdir = jfs_rmdir, .mknod = jfs_mknod, .rename = jfs_rename, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = jfs_listxattr, - .removexattr = generic_removexattr, .setattr = jfs_setattr, #ifdef CONFIG_JFS_POSIX_ACL .get_acl = jfs_get_acl, diff --git a/fs/jfs/super.c b/fs/jfs/super.c index cec8814a3b8b..85671f7f8518 100644 --- a/fs/jfs/super.c +++ b/fs/jfs/super.c @@ -830,7 +830,7 @@ out: if (inode->i_size < off+len-towrite) i_size_write(inode, off+len-towrite); inode->i_version++; - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); mark_inode_dirty(inode); inode_unlock(inode); return len - towrite; diff --git a/fs/jfs/symlink.c b/fs/jfs/symlink.c index c94c7e4a1323..c82404fee6cd 100644 --- a/fs/jfs/symlink.c +++ b/fs/jfs/symlink.c @@ -25,19 +25,13 @@ const struct inode_operations jfs_fast_symlink_inode_operations = { .readlink = generic_readlink, .get_link = simple_get_link, .setattr = jfs_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = jfs_listxattr, - .removexattr = generic_removexattr, }; const struct inode_operations jfs_symlink_inode_operations = { .readlink = generic_readlink, .get_link = page_get_link, .setattr = jfs_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = jfs_listxattr, - .removexattr = generic_removexattr, }; diff --git a/fs/jfs/xattr.c b/fs/jfs/xattr.c index 0bf3c33aedff..c60f3d32ee91 100644 --- a/fs/jfs/xattr.c +++ b/fs/jfs/xattr.c @@ -658,7 +658,7 @@ static int ea_put(tid_t tid, struct inode *inode, struct ea_buffer *ea_buf, if (old_blocks) dquot_free_block(inode, old_blocks); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); return 0; } diff --git a/fs/kernfs/dir.c b/fs/kernfs/dir.c index e57174d43683..dcd96aac02f5 100644 --- a/fs/kernfs/dir.c +++ b/fs/kernfs/dir.c @@ -1096,13 +1096,17 @@ static int kernfs_iop_rmdir(struct inode *dir, struct dentry *dentry) } static int kernfs_iop_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct kernfs_node *kn = old_dentry->d_fsdata; struct kernfs_node *new_parent = new_dir->i_private; struct kernfs_syscall_ops *scops = kernfs_root(kn)->syscall_ops; int ret; + if (flags) + return -EINVAL; + if (!scops || !scops->rename) return -EPERM; @@ -1126,9 +1130,6 @@ const struct inode_operations kernfs_dir_iops = { .permission = kernfs_iop_permission, .setattr = kernfs_iop_setattr, .getattr = kernfs_iop_getattr, - .setxattr = kernfs_iop_setxattr, - .removexattr = kernfs_iop_removexattr, - .getxattr = kernfs_iop_getxattr, .listxattr = kernfs_iop_listxattr, .mkdir = kernfs_iop_mkdir, diff --git a/fs/kernfs/inode.c b/fs/kernfs/inode.c index 63b925d5ba1e..a1982118f92f 100644 --- a/fs/kernfs/inode.c +++ b/fs/kernfs/inode.c @@ -28,9 +28,6 @@ static const struct inode_operations kernfs_iops = { .permission = kernfs_iop_permission, .setattr = kernfs_iop_setattr, .getattr = kernfs_iop_getattr, - .setxattr = kernfs_iop_setxattr, - .removexattr = kernfs_iop_removexattr, - .getxattr = kernfs_iop_getxattr, .listxattr = kernfs_iop_listxattr, }; @@ -122,7 +119,7 @@ int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr) return -EINVAL; mutex_lock(&kernfs_mutex); - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) goto out; @@ -138,17 +135,12 @@ out: return error; } -static int kernfs_node_setsecdata(struct kernfs_node *kn, void **secdata, +static int kernfs_node_setsecdata(struct kernfs_iattrs *attrs, void **secdata, u32 *secdata_len) { - struct kernfs_iattrs *attrs; void *old_secdata; size_t old_secdata_len; - attrs = kernfs_iattrs(kn); - if (!attrs) - return -ENOMEM; - old_secdata = attrs->ia_secdata; old_secdata_len = attrs->ia_secdata_len; @@ -160,71 +152,6 @@ static int kernfs_node_setsecdata(struct kernfs_node *kn, void **secdata, return 0; } -int kernfs_iop_setxattr(struct dentry *unused, struct inode *inode, - const char *name, const void *value, - size_t size, int flags) -{ - struct kernfs_node *kn = inode->i_private; - struct kernfs_iattrs *attrs; - void *secdata; - int error; - u32 secdata_len = 0; - - attrs = kernfs_iattrs(kn); - if (!attrs) - return -ENOMEM; - - if (!strncmp(name, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN)) { - const char *suffix = name + XATTR_SECURITY_PREFIX_LEN; - error = security_inode_setsecurity(inode, suffix, - value, size, flags); - if (error) - return error; - error = security_inode_getsecctx(inode, - &secdata, &secdata_len); - if (error) - return error; - - mutex_lock(&kernfs_mutex); - error = kernfs_node_setsecdata(kn, &secdata, &secdata_len); - mutex_unlock(&kernfs_mutex); - - if (secdata) - security_release_secctx(secdata, secdata_len); - return error; - } else if (!strncmp(name, XATTR_TRUSTED_PREFIX, XATTR_TRUSTED_PREFIX_LEN)) { - return simple_xattr_set(&attrs->xattrs, name, value, size, - flags); - } - - return -EINVAL; -} - -int kernfs_iop_removexattr(struct dentry *dentry, const char *name) -{ - struct kernfs_node *kn = dentry->d_fsdata; - struct kernfs_iattrs *attrs; - - attrs = kernfs_iattrs(kn); - if (!attrs) - return -ENOMEM; - - return simple_xattr_set(&attrs->xattrs, name, NULL, 0, XATTR_REPLACE); -} - -ssize_t kernfs_iop_getxattr(struct dentry *unused, struct inode *inode, - const char *name, void *buf, size_t size) -{ - struct kernfs_node *kn = inode->i_private; - struct kernfs_iattrs *attrs; - - attrs = kernfs_iattrs(kn); - if (!attrs) - return -ENOMEM; - - return simple_xattr_get(&attrs->xattrs, name, buf, size); -} - ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size) { struct kernfs_node *kn = dentry->d_fsdata; @@ -241,7 +168,7 @@ static inline void set_default_inode_attr(struct inode *inode, umode_t mode) { inode->i_mode = mode; inode->i_atime = inode->i_mtime = - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); } static inline void set_inode_attr(struct inode *inode, struct iattr *iattr) @@ -376,3 +303,83 @@ int kernfs_iop_permission(struct inode *inode, int mask) return generic_permission(inode, mask); } + +static int kernfs_xattr_get(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *suffix, void *value, size_t size) +{ + const char *name = xattr_full_name(handler, suffix); + struct kernfs_node *kn = inode->i_private; + struct kernfs_iattrs *attrs; + + attrs = kernfs_iattrs(kn); + if (!attrs) + return -ENOMEM; + + return simple_xattr_get(&attrs->xattrs, name, value, size); +} + +static int kernfs_xattr_set(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *suffix, const void *value, + size_t size, int flags) +{ + const char *name = xattr_full_name(handler, suffix); + struct kernfs_node *kn = inode->i_private; + struct kernfs_iattrs *attrs; + + attrs = kernfs_iattrs(kn); + if (!attrs) + return -ENOMEM; + + return simple_xattr_set(&attrs->xattrs, name, value, size, flags); +} + +const struct xattr_handler kernfs_trusted_xattr_handler = { + .prefix = XATTR_TRUSTED_PREFIX, + .get = kernfs_xattr_get, + .set = kernfs_xattr_set, +}; + +static int kernfs_security_xattr_set(const struct xattr_handler *handler, + struct dentry *unused, struct inode *inode, + const char *suffix, const void *value, + size_t size, int flags) +{ + struct kernfs_node *kn = inode->i_private; + struct kernfs_iattrs *attrs; + void *secdata; + u32 secdata_len = 0; + int error; + + attrs = kernfs_iattrs(kn); + if (!attrs) + return -ENOMEM; + + error = security_inode_setsecurity(inode, suffix, value, size, flags); + if (error) + return error; + error = security_inode_getsecctx(inode, &secdata, &secdata_len); + if (error) + return error; + + mutex_lock(&kernfs_mutex); + error = kernfs_node_setsecdata(attrs, &secdata, &secdata_len); + mutex_unlock(&kernfs_mutex); + + if (secdata) + security_release_secctx(secdata, secdata_len); + return error; +} + +const struct xattr_handler kernfs_security_xattr_handler = { + .prefix = XATTR_SECURITY_PREFIX, + .get = kernfs_xattr_get, + .set = kernfs_security_xattr_set, +}; + +const struct xattr_handler *kernfs_xattr_handlers[] = { + &kernfs_trusted_xattr_handler, + &kernfs_security_xattr_handler, + NULL +}; diff --git a/fs/kernfs/kernfs-internal.h b/fs/kernfs/kernfs-internal.h index 37159235ac10..bfd551bbf231 100644 --- a/fs/kernfs/kernfs-internal.h +++ b/fs/kernfs/kernfs-internal.h @@ -76,17 +76,12 @@ extern struct kmem_cache *kernfs_node_cache; /* * inode.c */ +extern const struct xattr_handler *kernfs_xattr_handlers[]; void kernfs_evict_inode(struct inode *inode); int kernfs_iop_permission(struct inode *inode, int mask); int kernfs_iop_setattr(struct dentry *dentry, struct iattr *iattr); int kernfs_iop_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); -int kernfs_iop_setxattr(struct dentry *dentry, struct inode *inode, - const char *name, const void *value, - size_t size, int flags); -int kernfs_iop_removexattr(struct dentry *dentry, const char *name); -ssize_t kernfs_iop_getxattr(struct dentry *dentry, struct inode *inode, - const char *name, void *buf, size_t size); ssize_t kernfs_iop_listxattr(struct dentry *dentry, char *buf, size_t size); /* diff --git a/fs/kernfs/mount.c b/fs/kernfs/mount.c index b3d73ad52b22..d5b149a45be1 100644 --- a/fs/kernfs/mount.c +++ b/fs/kernfs/mount.c @@ -158,6 +158,7 @@ static int kernfs_fill_super(struct super_block *sb, unsigned long magic) sb->s_blocksize_bits = PAGE_SHIFT; sb->s_magic = magic; sb->s_op = &kernfs_sops; + sb->s_xattr = kernfs_xattr_handlers; sb->s_time_gran = 1; /* get root inode, initialize and unlock it */ diff --git a/fs/kernfs/symlink.c b/fs/kernfs/symlink.c index 117b8b3416f9..9b43ca02b7ab 100644 --- a/fs/kernfs/symlink.c +++ b/fs/kernfs/symlink.c @@ -134,9 +134,6 @@ static const char *kernfs_iop_get_link(struct dentry *dentry, } const struct inode_operations kernfs_symlink_iops = { - .setxattr = kernfs_iop_setxattr, - .removexattr = kernfs_iop_removexattr, - .getxattr = kernfs_iop_getxattr, .listxattr = kernfs_iop_listxattr, .readlink = generic_readlink, .get_link = kernfs_iop_get_link, diff --git a/fs/libfs.c b/fs/libfs.c index 74dc8b9e7f53..48826d4da189 100644 --- a/fs/libfs.c +++ b/fs/libfs.c @@ -236,8 +236,8 @@ static const struct super_operations simple_super_operations = { * Common helper for pseudo-filesystems (sockfs, pipefs, bdev - stuff that * will never be mountable) */ -struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name, - const struct super_operations *ops, +struct dentry *mount_pseudo_xattr(struct file_system_type *fs_type, char *name, + const struct super_operations *ops, const struct xattr_handler **xattr, const struct dentry_operations *dops, unsigned long magic) { struct super_block *s; @@ -254,6 +254,7 @@ struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name, s->s_blocksize_bits = PAGE_SHIFT; s->s_magic = magic; s->s_op = ops ? ops : &simple_super_operations; + s->s_xattr = xattr; s->s_time_gran = 1; root = new_inode(s); if (!root) @@ -265,7 +266,7 @@ struct dentry *mount_pseudo(struct file_system_type *fs_type, char *name, */ root->i_ino = 1; root->i_mode = S_IFDIR | S_IRUSR | S_IWUSR; - root->i_atime = root->i_mtime = root->i_ctime = CURRENT_TIME; + root->i_atime = root->i_mtime = root->i_ctime = current_time(root); dentry = __d_alloc(s, &d_name); if (!dentry) { iput(root); @@ -281,7 +282,7 @@ Enomem: deactivate_locked_super(s); return ERR_PTR(-ENOMEM); } -EXPORT_SYMBOL(mount_pseudo); +EXPORT_SYMBOL(mount_pseudo_xattr); int simple_open(struct inode *inode, struct file *file) { @@ -295,7 +296,7 @@ int simple_link(struct dentry *old_dentry, struct inode *dir, struct dentry *den { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME; + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); inc_nlink(inode); ihold(inode); dget(dentry); @@ -329,7 +330,7 @@ int simple_unlink(struct inode *dir, struct dentry *dentry) { struct inode *inode = d_inode(dentry); - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME; + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); drop_nlink(inode); dput(dentry); return 0; @@ -349,11 +350,15 @@ int simple_rmdir(struct inode *dir, struct dentry *dentry) EXPORT_SYMBOL(simple_rmdir); int simple_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *inode = d_inode(old_dentry); int they_are_dirs = d_is_dir(old_dentry); + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (!simple_empty(new_dentry)) return -ENOTEMPTY; @@ -369,7 +374,7 @@ int simple_rename(struct inode *old_dir, struct dentry *old_dentry, } old_dir->i_ctime = old_dir->i_mtime = new_dir->i_ctime = - new_dir->i_mtime = inode->i_ctime = CURRENT_TIME; + new_dir->i_mtime = inode->i_ctime = current_time(old_dir); return 0; } @@ -394,7 +399,7 @@ int simple_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) return error; @@ -520,7 +525,7 @@ int simple_fill_super(struct super_block *s, unsigned long magic, */ inode->i_ino = 1; inode->i_mode = S_IFDIR | 0755; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; set_nlink(inode, 2); @@ -546,7 +551,7 @@ int simple_fill_super(struct super_block *s, unsigned long magic, goto out; } inode->i_mode = S_IFREG | files->mode; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_fop = files->ops; inode->i_ino = i; d_add(dentry, inode); @@ -1092,7 +1097,7 @@ struct inode *alloc_anon_inode(struct super_block *s) inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); inode->i_flags |= S_PRIVATE; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); return inode; } EXPORT_SYMBOL(alloc_anon_inode); @@ -1149,24 +1154,6 @@ static int empty_dir_setattr(struct dentry *dentry, struct iattr *attr) return -EPERM; } -static int empty_dir_setxattr(struct dentry *dentry, struct inode *inode, - const char *name, const void *value, - size_t size, int flags) -{ - return -EOPNOTSUPP; -} - -static ssize_t empty_dir_getxattr(struct dentry *dentry, struct inode *inode, - const char *name, void *value, size_t size) -{ - return -EOPNOTSUPP; -} - -static int empty_dir_removexattr(struct dentry *dentry, const char *name) -{ - return -EOPNOTSUPP; -} - static ssize_t empty_dir_listxattr(struct dentry *dentry, char *list, size_t size) { return -EOPNOTSUPP; @@ -1177,9 +1164,6 @@ static const struct inode_operations empty_dir_inode_operations = { .permission = generic_permission, .setattr = empty_dir_setattr, .getattr = empty_dir_getattr, - .setxattr = empty_dir_setxattr, - .getxattr = empty_dir_getxattr, - .removexattr = empty_dir_removexattr, .listxattr = empty_dir_listxattr, }; @@ -1215,6 +1199,7 @@ void make_empty_dir_inode(struct inode *inode) inode->i_blocks = 0; inode->i_op = &empty_dir_inode_operations; + inode->i_opflags &= ~IOP_XATTR; inode->i_fop = &empty_dir_operations; } diff --git a/fs/lockd/procfs.h b/fs/lockd/procfs.h index 2257a1311027..184a15edd18d 100644 --- a/fs/lockd/procfs.h +++ b/fs/lockd/procfs.h @@ -6,8 +6,6 @@ #ifndef _LOCKD_PROCFS_H #define _LOCKD_PROCFS_H -#include <linux/kconfig.h> - #if IS_ENABLED(CONFIG_PROC_FS) int lockd_create_procfs(void); void lockd_remove_procfs(void); diff --git a/fs/locks.c b/fs/locks.c index 90ec67108b22..ce93b416b490 100644 --- a/fs/locks.c +++ b/fs/locks.c @@ -138,6 +138,11 @@ #define IS_LEASE(fl) (fl->fl_flags & (FL_LEASE|FL_DELEG|FL_LAYOUT)) #define IS_OFDLCK(fl) (fl->fl_flags & FL_OFDLCK) +static inline bool is_remote_lock(struct file *filp) +{ + return likely(!(filp->f_path.dentry->d_sb->s_flags & MS_NOREMOTELOCK)); +} + static bool lease_breaking(struct file_lock *fl) { return fl->fl_flags & (FL_UNLOCK_PENDING | FL_DOWNGRADE_PENDING); @@ -806,7 +811,7 @@ posix_test_lock(struct file *filp, struct file_lock *fl) { struct file_lock *cfl; struct file_lock_context *ctx; - struct inode *inode = file_inode(filp); + struct inode *inode = locks_inode(filp); ctx = smp_load_acquire(&inode->i_flctx); if (!ctx || list_empty_careful(&ctx->flc_posix)) { @@ -1211,7 +1216,7 @@ static int posix_lock_inode(struct inode *inode, struct file_lock *request, int posix_lock_file(struct file *filp, struct file_lock *fl, struct file_lock *conflock) { - return posix_lock_inode(file_inode(filp), fl, conflock); + return posix_lock_inode(locks_inode(filp), fl, conflock); } EXPORT_SYMBOL(posix_lock_file); @@ -1251,7 +1256,7 @@ static int posix_lock_inode_wait(struct inode *inode, struct file_lock *fl) int locks_mandatory_locked(struct file *file) { int ret; - struct inode *inode = file_inode(file); + struct inode *inode = locks_inode(file); struct file_lock_context *ctx; struct file_lock *fl; @@ -1564,7 +1569,7 @@ void lease_get_mtime(struct inode *inode, struct timespec *time) } if (has_lease) - *time = current_fs_time(inode->i_sb); + *time = current_time(inode); else *time = inode->i_mtime; } @@ -1597,7 +1602,7 @@ EXPORT_SYMBOL(lease_get_mtime); int fcntl_getlease(struct file *filp) { struct file_lock *fl; - struct inode *inode = file_inode(filp); + struct inode *inode = locks_inode(filp); struct file_lock_context *ctx; int type = F_UNLCK; LIST_HEAD(dispose); @@ -1605,7 +1610,7 @@ int fcntl_getlease(struct file *filp) ctx = smp_load_acquire(&inode->i_flctx); if (ctx && !list_empty_careful(&ctx->flc_lease)) { spin_lock(&ctx->flc_lock); - time_out_leases(file_inode(filp), &dispose); + time_out_leases(inode, &dispose); list_for_each_entry(fl, &ctx->flc_lease, fl_list) { if (fl->fl_file != filp) continue; @@ -1638,7 +1643,8 @@ check_conflicting_open(const struct dentry *dentry, const long arg, int flags) if (flags & FL_LAYOUT) return 0; - if ((arg == F_RDLCK) && (atomic_read(&inode->i_writecount) > 0)) + if ((arg == F_RDLCK) && + (atomic_read(&d_real_inode(dentry)->i_writecount) > 0)) return -EAGAIN; if ((arg == F_WRLCK) && ((d_count(dentry) > 1) || @@ -1653,7 +1659,7 @@ generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **pr { struct file_lock *fl, *my_fl = NULL, *lease; struct dentry *dentry = filp->f_path.dentry; - struct inode *inode = file_inode(filp); + struct inode *inode = dentry->d_inode; struct file_lock_context *ctx; bool is_deleg = (*flp)->fl_flags & FL_DELEG; int error; @@ -1769,7 +1775,7 @@ static int generic_delete_lease(struct file *filp, void *owner) { int error = -EAGAIN; struct file_lock *fl, *victim = NULL; - struct inode *inode = file_inode(filp); + struct inode *inode = locks_inode(filp); struct file_lock_context *ctx; LIST_HEAD(dispose); @@ -1811,7 +1817,7 @@ static int generic_delete_lease(struct file *filp, void *owner) int generic_setlease(struct file *filp, long arg, struct file_lock **flp, void **priv) { - struct inode *inode = file_inode(filp); + struct inode *inode = locks_inode(filp); int error; if ((!uid_eq(current_fsuid(), inode->i_uid)) && !capable(CAP_LEASE)) @@ -1859,7 +1865,7 @@ EXPORT_SYMBOL(generic_setlease); int vfs_setlease(struct file *filp, long arg, struct file_lock **lease, void **priv) { - if (filp->f_op->setlease) + if (filp->f_op->setlease && is_remote_lock(filp)) return filp->f_op->setlease(filp, arg, lease, priv); else return generic_setlease(filp, arg, lease, priv); @@ -2008,7 +2014,7 @@ SYSCALL_DEFINE2(flock, unsigned int, fd, unsigned int, cmd) if (error) goto out_free; - if (f.file->f_op->flock) + if (f.file->f_op->flock && is_remote_lock(f.file)) error = f.file->f_op->flock(f.file, (can_sleep) ? F_SETLKW : F_SETLK, lock); @@ -2034,7 +2040,7 @@ SYSCALL_DEFINE2(flock, unsigned int, fd, unsigned int, cmd) */ int vfs_test_lock(struct file *filp, struct file_lock *fl) { - if (filp->f_op->lock) + if (filp->f_op->lock && is_remote_lock(filp)) return filp->f_op->lock(filp, F_GETLK, fl); posix_test_lock(filp, fl); return 0; @@ -2158,7 +2164,7 @@ out: */ int vfs_lock_file(struct file *filp, unsigned int cmd, struct file_lock *fl, struct file_lock *conf) { - if (filp->f_op->lock) + if (filp->f_op->lock && is_remote_lock(filp)) return filp->f_op->lock(filp, cmd, fl); else return posix_lock_file(filp, fl, conf); @@ -2220,7 +2226,7 @@ int fcntl_setlk(unsigned int fd, struct file *filp, unsigned int cmd, if (file_lock == NULL) return -ENOLCK; - inode = file_inode(filp); + inode = locks_inode(filp); /* * This might block, so we do it before checking the inode. @@ -2372,7 +2378,7 @@ int fcntl_setlk64(unsigned int fd, struct file *filp, unsigned int cmd, if (copy_from_user(&flock, l, sizeof(flock))) goto out; - inode = file_inode(filp); + inode = locks_inode(filp); /* Don't allow mandatory locks on files that may be memory mapped * and shared. @@ -2455,6 +2461,7 @@ out: void locks_remove_posix(struct file *filp, fl_owner_t owner) { int error; + struct inode *inode = locks_inode(filp); struct file_lock lock; struct file_lock_context *ctx; @@ -2463,7 +2470,7 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner) * posix_lock_file(). Another process could be setting a lock on this * file at the same time, but we wouldn't remove that lock anyway. */ - ctx = smp_load_acquire(&file_inode(filp)->i_flctx); + ctx = smp_load_acquire(&inode->i_flctx); if (!ctx || list_empty(&ctx->flc_posix)) return; @@ -2481,7 +2488,7 @@ void locks_remove_posix(struct file *filp, fl_owner_t owner) if (lock.fl_ops && lock.fl_ops->fl_release_private) lock.fl_ops->fl_release_private(&lock); - trace_locks_remove_posix(file_inode(filp), &lock, error); + trace_locks_remove_posix(inode, &lock, error); } EXPORT_SYMBOL(locks_remove_posix); @@ -2498,12 +2505,12 @@ locks_remove_flock(struct file *filp, struct file_lock_context *flctx) .fl_type = F_UNLCK, .fl_end = OFFSET_MAX, }; - struct inode *inode = file_inode(filp); + struct inode *inode = locks_inode(filp); if (list_empty(&flctx->flc_flock)) return; - if (filp->f_op->flock) + if (filp->f_op->flock && is_remote_lock(filp)) filp->f_op->flock(filp, F_SETLKW, &fl); else flock_lock_inode(inode, &fl); @@ -2537,7 +2544,7 @@ void locks_remove_file(struct file *filp) { struct file_lock_context *ctx; - ctx = smp_load_acquire(&file_inode(filp)->i_flctx); + ctx = smp_load_acquire(&locks_inode(filp)->i_flctx); if (!ctx) return; @@ -2581,7 +2588,7 @@ EXPORT_SYMBOL(posix_unblock_lock); */ int vfs_cancel_lock(struct file *filp, struct file_lock *fl) { - if (filp->f_op->lock) + if (filp->f_op->lock && is_remote_lock(filp)) return filp->f_op->lock(filp, F_CANCELLK, fl); return 0; } @@ -2620,7 +2627,7 @@ static void lock_get_status(struct seq_file *f, struct file_lock *fl, fl_pid = fl->fl_pid; if (fl->fl_file != NULL) - inode = file_inode(fl->fl_file); + inode = locks_inode(fl->fl_file); seq_printf(f, "%lld:%s ", id, pfx); if (IS_POSIX(fl)) { @@ -2726,7 +2733,7 @@ static void __show_fd_locks(struct seq_file *f, void show_fd_locks(struct seq_file *f, struct file *filp, struct files_struct *files) { - struct inode *inode = file_inode(filp); + struct inode *inode = locks_inode(filp); struct file_lock_context *ctx; int id = 0; diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index 9568064ecadf..c87ea52de3d9 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -226,7 +226,7 @@ static int logfs_unlink(struct inode *dir, struct dentry *dentry) ta->state = UNLINK_1; ta->ino = inode->i_ino; - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME; + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); page = logfs_get_dd_page(dir, dentry); if (!page) { @@ -540,7 +540,7 @@ static int logfs_link(struct dentry *old_dentry, struct inode *dir, { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME; + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(inode); ihold(inode); inc_nlink(inode); mark_inode_dirty_sync(inode); @@ -573,7 +573,7 @@ static int logfs_delete_dd(struct inode *dir, loff_t pos) * (crc-protected) journal. */ BUG_ON(beyond_eof(dir, pos)); - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); log_dir(" Delete dentry (%lx, %llx)\n", dir->i_ino, pos); return logfs_delete(dir, pos, NULL); } @@ -718,8 +718,12 @@ out: } static int logfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (d_really_is_positive(new_dentry)) return logfs_rename_target(old_dir, old_dentry, new_dir, new_dentry); diff --git a/fs/logfs/file.c b/fs/logfs/file.c index f01ddfb1a03b..1db04930ad57 100644 --- a/fs/logfs/file.c +++ b/fs/logfs/file.c @@ -211,7 +211,7 @@ long logfs_ioctl(struct file *file, unsigned int cmd, unsigned long arg) li->li_flags = flags; inode_unlock(inode); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); mark_inode_dirty_sync(inode); return 0; @@ -244,7 +244,7 @@ static int logfs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int err = 0; - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; diff --git a/fs/logfs/inode.c b/fs/logfs/inode.c index db9cfc598883..f440a1525da8 100644 --- a/fs/logfs/inode.c +++ b/fs/logfs/inode.c @@ -213,8 +213,8 @@ static void logfs_init_inode(struct super_block *sb, struct inode *inode) i_gid_write(inode, 0); inode->i_size = 0; inode->i_blocks = 0; - inode->i_ctime = CURRENT_TIME; - inode->i_mtime = CURRENT_TIME; + inode->i_ctime = current_time(inode); + inode->i_mtime = current_time(inode); li->li_refcount = 1; INIT_LIST_HEAD(&li->li_freeing_list); diff --git a/fs/logfs/readwrite.c b/fs/logfs/readwrite.c index 3fb8c6d67303..bf19bf4a243f 100644 --- a/fs/logfs/readwrite.c +++ b/fs/logfs/readwrite.c @@ -1546,7 +1546,7 @@ static int __logfs_write_buf(struct inode *inode, struct page *page, long flags) int err; flags |= WF_WRITE | WF_DELETE; - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); logfs_unpack_index(index, &bix, &level); if (logfs_block(page) && logfs_block(page)->reserved_bytes) @@ -1578,7 +1578,7 @@ static int __logfs_delete(struct inode *inode, struct page *page) long flags = WF_DELETE; int err; - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); if (page->index < I0_BLOCKS) return logfs_write_direct(inode, page, flags); diff --git a/fs/minix/bitmap.c b/fs/minix/bitmap.c index 742942a983be..c2c3fd3277b5 100644 --- a/fs/minix/bitmap.c +++ b/fs/minix/bitmap.c @@ -253,7 +253,7 @@ struct inode *minix_new_inode(const struct inode *dir, umode_t mode, int *error) } inode_init_owner(inode, dir, mode); inode->i_ino = j; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_blocks = 0; memset(&minix_i(inode)->u, 0, sizeof(minix_i(inode)->u)); insert_inode_hash(inode); diff --git a/fs/minix/dir.c b/fs/minix/dir.c index 31dcd515b9d5..7edc9b395700 100644 --- a/fs/minix/dir.c +++ b/fs/minix/dir.c @@ -274,7 +274,7 @@ got_it: de->inode = inode->i_ino; } err = dir_commit_chunk(page, pos, sbi->s_dirsize); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); out_put: dir_put_page(page); @@ -306,7 +306,7 @@ int minix_delete_entry(struct minix_dir_entry *de, struct page *page) unlock_page(page); } dir_put_page(page); - inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_ctime = inode->i_mtime = current_time(inode); mark_inode_dirty(inode); return err; } @@ -430,7 +430,7 @@ void minix_set_link(struct minix_dir_entry *de, struct page *page, unlock_page(page); } dir_put_page(page); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); } diff --git a/fs/minix/file.c b/fs/minix/file.c index 94f0eb9a6e2c..a6a4797aa0d4 100644 --- a/fs/minix/file.c +++ b/fs/minix/file.c @@ -26,7 +26,7 @@ static int minix_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/minix/itree_common.c b/fs/minix/itree_common.c index a731cabf1540..4c57c9af6946 100644 --- a/fs/minix/itree_common.c +++ b/fs/minix/itree_common.c @@ -124,7 +124,7 @@ static inline int splice_branch(struct inode *inode, /* We are done with atomic stuff, now do the rest of housekeeping */ - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); /* had we spliced it onto indirect block? */ if (where->bh) @@ -343,7 +343,7 @@ do_indirects: } first_whole++; } - inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_ctime = current_time(inode); mark_inode_dirty(inode); } diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 2887d1d95ce2..1e0f11f5dac9 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -106,7 +106,7 @@ static int minix_link(struct dentry * old_dentry, struct inode * dir, { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); inode_inc_link_count(inode); ihold(inode); return add_nondir(dentry, inode); @@ -185,7 +185,8 @@ static int minix_rmdir(struct inode * dir, struct dentry *dentry) } static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, - struct inode * new_dir, struct dentry *new_dentry) + struct inode * new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode * old_inode = d_inode(old_dentry); struct inode * new_inode = d_inode(new_dentry); @@ -195,6 +196,9 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, struct minix_dir_entry * old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = minix_find_entry(old_dentry, &old_page); if (!old_de) goto out; @@ -219,7 +223,7 @@ static int minix_rename(struct inode * old_dir, struct dentry *old_dentry, if (!new_de) goto out_dir; minix_set_link(new_de, new_page, old_inode); - new_inode->i_ctime = CURRENT_TIME_SEC; + new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); diff --git a/fs/namei.c b/fs/namei.c index adb04146df09..a7f601cd521a 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -1015,7 +1015,7 @@ const char *get_link(struct nameidata *nd) if (!(nd->flags & LOOKUP_RCU)) { touch_atime(&last->link); cond_resched(); - } else if (atime_needs_update(&last->link, inode)) { + } else if (atime_needs_update_rcu(&last->link, inode)) { if (unlikely(unlazy_walk(nd, NULL, 0))) return ERR_PTR(-ECHILD); touch_atime(&last->link); @@ -4369,12 +4369,9 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) return error; - if (!old_dir->i_op->rename && !old_dir->i_op->rename2) + if (!old_dir->i_op->rename) return -EPERM; - if (flags && !old_dir->i_op->rename2) - return -EINVAL; - /* * If we are going to change the parent - check write permissions, * we'll need to flip '..'. @@ -4428,14 +4425,8 @@ int vfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (error) goto out; } - if (!old_dir->i_op->rename2) { - error = old_dir->i_op->rename(old_dir, old_dentry, - new_dir, new_dentry); - } else { - WARN_ON(old_dir->i_op->rename != NULL); - error = old_dir->i_op->rename2(old_dir, old_dentry, - new_dir, new_dentry, flags); - } + error = old_dir->i_op->rename(old_dir, old_dentry, + new_dir, new_dentry, flags); if (error) goto out; diff --git a/fs/namespace.c b/fs/namespace.c index db1b5a38864e..58aca9c931ac 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -2743,7 +2743,7 @@ long do_mount(const char *dev_name, const char __user *dir_name, flags &= ~(MS_NOSUID | MS_NOEXEC | MS_NODEV | MS_ACTIVE | MS_BORN | MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT | - MS_STRICTATIME); + MS_STRICTATIME | MS_NOREMOTELOCK); if (flags & MS_REMOUNT) retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags, diff --git a/fs/ncpfs/dir.c b/fs/ncpfs/dir.c index 17de5c13dfae..6df2a3827574 100644 --- a/fs/ncpfs/dir.c +++ b/fs/ncpfs/dir.c @@ -36,7 +36,7 @@ static int ncp_unlink(struct inode *, struct dentry *); static int ncp_mkdir(struct inode *, struct dentry *, umode_t); static int ncp_rmdir(struct inode *, struct dentry *); static int ncp_rename(struct inode *, struct dentry *, - struct inode *, struct dentry *); + struct inode *, struct dentry *, unsigned int); static int ncp_mknod(struct inode * dir, struct dentry *dentry, umode_t mode, dev_t rdev); #if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS) @@ -133,12 +133,11 @@ ncp_hash_dentry(const struct dentry *dentry, struct qstr *this) return 0; if (!ncp_case_sensitive(inode)) { - struct super_block *sb = dentry->d_sb; struct nls_table *t; unsigned long hash; int i; - t = NCP_IO_TABLE(sb); + t = NCP_IO_TABLE(dentry->d_sb); hash = init_name_hash(dentry); for (i=0; i<this->len ; i++) hash = partial_name_hash(ncp_tolower(t, this->name[i]), @@ -1106,13 +1105,17 @@ static int ncp_unlink(struct inode *dir, struct dentry *dentry) } static int ncp_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct ncp_server *server = NCP_SERVER(old_dir); int error; int old_len, new_len; __u8 __old_name[NCP_MAXPATHLEN + 1], __new_name[NCP_MAXPATHLEN + 1]; + if (flags) + return -EINVAL; + ncp_dbg(1, "%pd2 to %pd2\n", old_dentry, new_dentry); ncp_age_dentry(server, old_dentry); diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index 1af15fcbe57b..f6cf4c7e92b1 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -884,7 +884,7 @@ int ncp_notify_change(struct dentry *dentry, struct iattr *attr) /* ageing the dentry to force validation */ ncp_age_dentry(server, dentry); - result = inode_change_ok(inode, attr); + result = setattr_prepare(dentry, attr); if (result < 0) goto out; diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index 177fefb26c18..06e0bf092ba9 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -2013,7 +2013,8 @@ EXPORT_SYMBOL_GPL(nfs_link); * the rename. */ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -2021,6 +2022,9 @@ int nfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct rpc_task *task; int error = -EBUSY; + if (flags) + return -EINVAL; + dfprintk(VFS, "NFS: rename(%pd2 -> %pd2, ct=%d)\n", old_dentry, new_dentry, d_count(new_dentry)); diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h index 4b308a1487a5..a6acce663219 100644 --- a/fs/nfs/internal.h +++ b/fs/nfs/internal.h @@ -359,7 +359,8 @@ int nfs_unlink(struct inode *, struct dentry *); int nfs_symlink(struct inode *, struct dentry *, const char *); int nfs_link(struct dentry *, struct inode *, struct dentry *); int nfs_mknod(struct inode *, struct dentry *, umode_t, dev_t); -int nfs_rename(struct inode *, struct dentry *, struct inode *, struct dentry *); +int nfs_rename(struct inode *, struct dentry *, + struct inode *, struct dentry *, unsigned int); /* file.c */ int nfs_file_fsync(struct file *file, loff_t start, loff_t end, int datasync); diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c index 698be9361280..dc925b531f32 100644 --- a/fs/nfs/nfs3proc.c +++ b/fs/nfs/nfs3proc.c @@ -899,9 +899,6 @@ static const struct inode_operations nfs3_dir_inode_operations = { .setattr = nfs_setattr, #ifdef CONFIG_NFS_V3_ACL .listxattr = nfs3_listxattr, - .getxattr = generic_getxattr, - .setxattr = generic_setxattr, - .removexattr = generic_removexattr, .get_acl = nfs3_get_acl, .set_acl = nfs3_set_acl, #endif @@ -913,9 +910,6 @@ static const struct inode_operations nfs3_file_inode_operations = { .setattr = nfs_setattr, #ifdef CONFIG_NFS_V3_ACL .listxattr = nfs3_listxattr, - .getxattr = generic_getxattr, - .setxattr = generic_setxattr, - .removexattr = generic_removexattr, .get_acl = nfs3_get_acl, .set_acl = nfs3_set_acl, #endif diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index a9dec32ba9ba..0e327528a3ce 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -8941,20 +8941,14 @@ static const struct inode_operations nfs4_dir_inode_operations = { .permission = nfs_permission, .getattr = nfs_getattr, .setattr = nfs_setattr, - .getxattr = generic_getxattr, - .setxattr = generic_setxattr, .listxattr = nfs4_listxattr, - .removexattr = generic_removexattr, }; static const struct inode_operations nfs4_file_inode_operations = { .permission = nfs_permission, .getattr = nfs_getattr, .setattr = nfs_setattr, - .getxattr = generic_getxattr, - .setxattr = generic_setxattr, .listxattr = nfs4_listxattr, - .removexattr = generic_removexattr, }; const struct nfs_rpc_ops nfs_v4_clientops = { diff --git a/fs/nfsd/blocklayout.c b/fs/nfsd/blocklayout.c index 5a1708441510..0780ff864539 100644 --- a/fs/nfsd/blocklayout.c +++ b/fs/nfsd/blocklayout.c @@ -123,7 +123,7 @@ nfsd4_block_commit_blocks(struct inode *inode, struct nfsd4_layoutcommit *lcp, if (lcp->lc_mtime.tv_nsec == UTIME_NOW || timespec_compare(&lcp->lc_mtime, &inode->i_mtime) < 0) - lcp->lc_mtime = current_fs_time(inode->i_sb); + lcp->lc_mtime = current_time(inode); iattr.ia_valid |= ATTR_ATIME | ATTR_CTIME | ATTR_MTIME; iattr.ia_atime = iattr.ia_ctime = iattr.ia_mtime = lcp->lc_mtime; diff --git a/fs/nfsd/nfsproc.c b/fs/nfsd/nfsproc.c index e9214768cde9..08188743db53 100644 --- a/fs/nfsd/nfsproc.c +++ b/fs/nfsd/nfsproc.c @@ -74,10 +74,10 @@ nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp, * which only requires access, and "set-[ac]time-to-X" which * requires ownership. * So if it looks like it might be "set both to the same time which - * is close to now", and if inode_change_ok fails, then we + * is close to now", and if setattr_prepare fails, then we * convert to "set to now" instead of "set to explicit time" * - * We only call inode_change_ok as the last test as technically + * We only call setattr_prepare as the last test as technically * it is not an interface that we should be using. */ #define BOTH_TIME_SET (ATTR_ATIME_SET | ATTR_MTIME_SET) @@ -92,17 +92,15 @@ nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp, * request is. We require it be within 30 minutes of now. */ time_t delta = iap->ia_atime.tv_sec - get_seconds(); - struct inode *inode; nfserr = fh_verify(rqstp, fhp, 0, NFSD_MAY_NOP); if (nfserr) goto done; - inode = d_inode(fhp->fh_dentry); if (delta < 0) delta = -delta; if (delta < MAX_TOUCH_TIME_ERROR && - inode_change_ok(inode, iap) != 0) { + setattr_prepare(fhp->fh_dentry, iap) != 0) { /* * Turn off ATTR_[AM]TIME_SET but leave ATTR_[AM]TIME. * This will cause notify_change to set these times diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c index 908ebbf0ac7e..582831ab3eb9 100644 --- a/fs/nilfs2/dir.c +++ b/fs/nilfs2/dir.c @@ -438,7 +438,7 @@ void nilfs_set_link(struct inode *dir, struct nilfs_dir_entry *de, nilfs_set_de_type(de, inode); nilfs_commit_chunk(page, mapping, from, to); nilfs_put_page(page); - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); } /* @@ -528,7 +528,7 @@ got_it: de->inode = cpu_to_le64(inode->i_ino); nilfs_set_de_type(de, inode); nilfs_commit_chunk(page, page->mapping, from, to); - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); nilfs_mark_inode_dirty(dir); /* OFFSET_CACHE */ out_put: @@ -576,7 +576,7 @@ int nilfs_delete_entry(struct nilfs_dir_entry *dir, struct page *page) pde->rec_len = nilfs_rec_len_to_disk(to - from); dir->inode = 0; nilfs_commit_chunk(page, mapping, from, to); - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); out: nilfs_put_page(page); return err; diff --git a/fs/nilfs2/inode.c b/fs/nilfs2/inode.c index af04f553d7c9..c7f4fef9ebf5 100644 --- a/fs/nilfs2/inode.c +++ b/fs/nilfs2/inode.c @@ -367,7 +367,7 @@ struct inode *nilfs_new_inode(struct inode *dir, umode_t mode) atomic64_inc(&root->inodes_count); inode_init_owner(inode, dir, mode); inode->i_ino = ino; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); if (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) { err = nilfs_bmap_read(ii->i_bmap, NULL); @@ -749,7 +749,7 @@ void nilfs_truncate(struct inode *inode) nilfs_truncate_bmap(ii, blkoff); - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); if (IS_SYNC(inode)) nilfs_set_transaction_flag(NILFS_TI_SYNC); @@ -829,7 +829,7 @@ int nilfs_setattr(struct dentry *dentry, struct iattr *iattr) struct super_block *sb = inode->i_sb; int err; - err = inode_change_ok(inode, iattr); + err = setattr_prepare(dentry, iattr); if (err) return err; diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c index f1d7989459fd..1d2c3d7711fe 100644 --- a/fs/nilfs2/ioctl.c +++ b/fs/nilfs2/ioctl.c @@ -174,7 +174,7 @@ static int nilfs_ioctl_setflags(struct inode *inode, struct file *filp, (flags & FS_FL_USER_MODIFIABLE); nilfs_set_inode_flags(inode); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); if (IS_SYNC(inode)) nilfs_set_transaction_flag(NILFS_TI_SYNC); diff --git a/fs/nilfs2/namei.c b/fs/nilfs2/namei.c index dbcf1dc93a51..2b71c60fe982 100644 --- a/fs/nilfs2/namei.c +++ b/fs/nilfs2/namei.c @@ -194,7 +194,7 @@ static int nilfs_link(struct dentry *old_dentry, struct inode *dir, if (err) return err; - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); inode_inc_link_count(inode); ihold(inode); @@ -350,7 +350,8 @@ static int nilfs_rmdir(struct inode *dir, struct dentry *dentry) } static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -361,6 +362,9 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, struct nilfs_transaction_info ti; int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + err = nilfs_transaction_begin(old_dir->i_sb, &ti, 1); if (unlikely(err)) return err; @@ -391,7 +395,7 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, goto out_dir; nilfs_set_link(new_dir, new_de, new_page, old_inode); nilfs_mark_inode_dirty(new_dir); - new_inode->i_ctime = CURRENT_TIME; + new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); drop_nlink(new_inode); @@ -410,7 +414,7 @@ static int nilfs_rename(struct inode *old_dir, struct dentry *old_dentry, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = CURRENT_TIME; + old_inode->i_ctime = current_time(old_inode); nilfs_delete_entry(old_de, old_page); diff --git a/fs/nsfs.c b/fs/nsfs.c index 30bb10034120..8718af895eab 100644 --- a/fs/nsfs.c +++ b/fs/nsfs.c @@ -78,7 +78,7 @@ slow: return ERR_PTR(-ENOMEM); } inode->i_ino = ns->inum; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_flags |= S_IMMUTABLE; inode->i_mode = S_IFREG | S_IRUGO; inode->i_fop = &ns_file_operations; diff --git a/fs/ntfs/file.c b/fs/ntfs/file.c index f548629dfaac..bf72a2c58b75 100644 --- a/fs/ntfs/file.c +++ b/fs/ntfs/file.c @@ -1850,7 +1850,7 @@ again: * pages being swapped out between us bringing them into memory * and doing the actual copying. */ - if (unlikely(iov_iter_fault_in_multipages_readable(i, bytes))) { + if (unlikely(iov_iter_fault_in_readable(i, bytes))) { status = -EFAULT; break; } diff --git a/fs/ntfs/inode.c b/fs/ntfs/inode.c index e01287c964a8..7c410f879412 100644 --- a/fs/ntfs/inode.c +++ b/fs/ntfs/inode.c @@ -2813,7 +2813,7 @@ done: * for real. */ if (!IS_NOCMTIME(VFS_I(base_ni)) && !IS_RDONLY(VFS_I(base_ni))) { - struct timespec now = current_fs_time(VFS_I(base_ni)->i_sb); + struct timespec now = current_time(VFS_I(base_ni)); int sync_it = 0; if (!timespec_equal(&VFS_I(base_ni)->i_mtime, &now) || @@ -2893,7 +2893,7 @@ int ntfs_setattr(struct dentry *dentry, struct iattr *attr) int err; unsigned int ia_valid = attr->ia_valid; - err = inode_change_ok(vi, attr); + err = setattr_prepare(dentry, attr); if (err) goto out; /* We do not support NTFS ACLs yet. */ diff --git a/fs/ntfs/mft.c b/fs/ntfs/mft.c index d15d492ce47b..d3c009626032 100644 --- a/fs/ntfs/mft.c +++ b/fs/ntfs/mft.c @@ -2692,7 +2692,7 @@ mft_rec_already_initialized: /* Set the inode times to the current time. */ vi->i_atime = vi->i_mtime = vi->i_ctime = - current_fs_time(vi->i_sb); + current_time(vi); /* * Set the file size to 0, the ntfs inode sizes are set to 0 by * the call to ntfs_init_big_inode() below. diff --git a/fs/ocfs2/acl.c b/fs/ocfs2/acl.c index 2162434728c0..bed1fcb63088 100644 --- a/fs/ocfs2/acl.c +++ b/fs/ocfs2/acl.c @@ -201,7 +201,7 @@ static int ocfs2_acl_set_mode(struct inode *inode, struct buffer_head *di_bh, } inode->i_mode = new_mode; - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); di->i_mode = cpu_to_le16(inode->i_mode); di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); @@ -241,13 +241,11 @@ int ocfs2_set_acl(handle_t *handle, case ACL_TYPE_ACCESS: name_index = OCFS2_XATTR_INDEX_POSIX_ACL_ACCESS; if (acl) { - umode_t mode = inode->i_mode; - ret = posix_acl_equiv_mode(acl, &mode); - if (ret < 0) - return ret; + umode_t mode; - if (ret == 0) - acl = NULL; + ret = posix_acl_update_mode(inode, &mode, &acl); + if (ret) + return ret; ret = ocfs2_acl_set_mode(inode, di_bh, handle, mode); diff --git a/fs/ocfs2/alloc.c b/fs/ocfs2/alloc.c index f165f867f332..f72712f6c28d 100644 --- a/fs/ocfs2/alloc.c +++ b/fs/ocfs2/alloc.c @@ -7293,7 +7293,7 @@ int ocfs2_truncate_inline(struct inode *inode, struct buffer_head *di_bh, } inode->i_blocks = ocfs2_inode_sector_count(inode); - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); di->i_ctime = di->i_mtime = cpu_to_le64(inode->i_ctime.tv_sec); di->i_ctime_nsec = di->i_mtime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index bbb4b3e5b4ff..c5c5b9748ea3 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -2030,7 +2030,7 @@ out_write_size: } inode->i_blocks = ocfs2_inode_sector_count(inode); di->i_size = cpu_to_le64((u64)i_size_read(inode)); - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec); di->i_mtime_nsec = di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); ocfs2_update_inode_fsync_trans(handle, inode, 1); diff --git a/fs/ocfs2/dir.c b/fs/ocfs2/dir.c index e1adf285fc31..e7054e2ac922 100644 --- a/fs/ocfs2/dir.c +++ b/fs/ocfs2/dir.c @@ -1677,7 +1677,7 @@ int __ocfs2_add_entry(handle_t *handle, offset, ocfs2_dir_trailer_blk_off(dir->i_sb)); if (ocfs2_dirent_would_fit(de, rec_len)) { - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); retval = ocfs2_mark_inode_dirty(handle, dir, parent_fe_bh); if (retval < 0) { mlog_errno(retval); @@ -2990,7 +2990,7 @@ static int ocfs2_expand_inline_dir(struct inode *dir, struct buffer_head *di_bh, ocfs2_dinode_new_extent_list(dir, di); i_size_write(dir, sb->s_blocksize); - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); di->i_size = cpu_to_le64(sb->s_blocksize); di->i_ctime = di->i_mtime = cpu_to_le64(dir->i_ctime.tv_sec); diff --git a/fs/ocfs2/dlm/dlmmaster.c b/fs/ocfs2/dlm/dlmmaster.c index 6ea06f8a7d29..3f828a187049 100644 --- a/fs/ocfs2/dlm/dlmmaster.c +++ b/fs/ocfs2/dlm/dlmmaster.c @@ -3188,6 +3188,9 @@ int dlm_migrate_request_handler(struct o2net_msg *msg, u32 len, void *data, migrate->new_master, migrate->master); + if (ret < 0) + kmem_cache_free(dlm_mle_cache, mle); + spin_unlock(&dlm->master_lock); unlock: spin_unlock(&dlm->spinlock); diff --git a/fs/ocfs2/dlmfs/dlmfs.c b/fs/ocfs2/dlmfs/dlmfs.c index 354cdf9714aa..1079fae5aa12 100644 --- a/fs/ocfs2/dlmfs/dlmfs.c +++ b/fs/ocfs2/dlmfs/dlmfs.c @@ -211,7 +211,7 @@ static int dlmfs_file_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); attr->ia_valid &= ~ATTR_SIZE; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; @@ -398,7 +398,7 @@ static struct inode *dlmfs_get_root_inode(struct super_block *sb) if (inode) { inode->i_ino = get_next_ino(); inode_init_owner(inode, NULL, mode); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inc_nlink(inode); inode->i_fop = &simple_dir_operations; @@ -421,7 +421,7 @@ static struct inode *dlmfs_get_inode(struct inode *parent, inode->i_ino = get_next_ino(); inode_init_owner(inode, parent, mode); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); ip = DLMFS_I(inode); ip->ip_conn = DLMFS_I(parent)->ip_conn; diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 8f91639f8364..000c234d7bbd 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -253,7 +253,7 @@ int ocfs2_should_update_atime(struct inode *inode, return 0; } - now = CURRENT_TIME; + now = current_time(inode); if ((now.tv_sec - inode->i_atime.tv_sec <= osb->s_atime_quantum)) return 0; else @@ -287,7 +287,7 @@ int ocfs2_update_inode_atime(struct inode *inode, * have i_mutex to guard against concurrent changes to other * inode fields. */ - inode->i_atime = CURRENT_TIME; + inode->i_atime = current_time(inode); di->i_atime = cpu_to_le64(inode->i_atime.tv_sec); di->i_atime_nsec = cpu_to_le32(inode->i_atime.tv_nsec); ocfs2_update_inode_fsync_trans(handle, inode, 0); @@ -308,7 +308,7 @@ int ocfs2_set_inode_size(handle_t *handle, i_size_write(inode, new_i_size); inode->i_blocks = ocfs2_inode_sector_count(inode); - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); status = ocfs2_mark_inode_dirty(handle, inode, fe_bh); if (status < 0) { @@ -429,7 +429,7 @@ static int ocfs2_orphan_for_truncate(struct ocfs2_super *osb, } i_size_write(inode, new_i_size); - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); di = (struct ocfs2_dinode *) fe_bh->b_data; di->i_size = cpu_to_le64(new_i_size); @@ -840,7 +840,7 @@ static int ocfs2_write_zero_page(struct inode *inode, u64 abs_from, i_size_write(inode, abs_to); inode->i_blocks = ocfs2_inode_sector_count(inode); di->i_size = cpu_to_le64((u64)i_size_read(inode)); - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); di->i_mtime = di->i_ctime = cpu_to_le64(inode->i_mtime.tv_sec); di->i_ctime_nsec = cpu_to_le32(inode->i_mtime.tv_nsec); di->i_mtime_nsec = di->i_ctime_nsec; @@ -1155,7 +1155,7 @@ int ocfs2_setattr(struct dentry *dentry, struct iattr *attr) if (!(attr->ia_valid & OCFS2_VALID_ATTRS)) return 0; - status = inode_change_ok(inode, attr); + status = setattr_prepare(dentry, attr); if (status) return status; @@ -1950,7 +1950,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode, if (change_size && i_size_read(inode) < size) i_size_write(inode, size); - inode->i_ctime = inode->i_mtime = CURRENT_TIME; + inode->i_ctime = inode->i_mtime = current_time(inode); ret = ocfs2_mark_inode_dirty(handle, inode, di_bh); if (ret < 0) mlog_errno(ret); @@ -2444,10 +2444,7 @@ const struct inode_operations ocfs2_file_iops = { .setattr = ocfs2_setattr, .getattr = ocfs2_getattr, .permission = ocfs2_permission, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ocfs2_listxattr, - .removexattr = generic_removexattr, .fiemap = ocfs2_fiemap, .get_acl = ocfs2_iop_get_acl, .set_acl = ocfs2_iop_set_acl, diff --git a/fs/ocfs2/move_extents.c b/fs/ocfs2/move_extents.c index e3d05d9901a3..4e8f32eb0bdb 100644 --- a/fs/ocfs2/move_extents.c +++ b/fs/ocfs2/move_extents.c @@ -953,7 +953,7 @@ static int ocfs2_move_extents(struct ocfs2_move_extents_context *context) } di = (struct ocfs2_dinode *)di_bh->b_data; - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); ocfs2_update_inode_fsync_trans(handle, inode, 0); diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index a8f1225e6d9b..8d887c75765c 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -798,7 +798,7 @@ static int ocfs2_link(struct dentry *old_dentry, } inc_nlink(inode); - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); ocfs2_set_links_count(fe, inode->i_nlink); fe->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); fe->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); @@ -1000,7 +1000,7 @@ static int ocfs2_unlink(struct inode *dir, ocfs2_set_links_count(fe, inode->i_nlink); ocfs2_journal_dirty(handle, fe_bh); - dir->i_ctime = dir->i_mtime = CURRENT_TIME; + dir->i_ctime = dir->i_mtime = current_time(dir); if (S_ISDIR(inode->i_mode)) drop_nlink(dir); @@ -1203,7 +1203,8 @@ static void ocfs2_double_unlock(struct inode *inode1, struct inode *inode2) static int ocfs2_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, - struct dentry *new_dentry) + struct dentry *new_dentry, + unsigned int flags) { int status = 0, rename_lock = 0, parents_locked = 0, target_exists = 0; int old_child_locked = 0, new_child_locked = 0, update_dot_dot = 0; @@ -1228,6 +1229,9 @@ static int ocfs2_rename(struct inode *old_dir, struct ocfs2_dir_lookup_result target_insert = { NULL, }; bool should_add_orphan = false; + if (flags) + return -EINVAL; + /* At some point it might be nice to break this function up a * bit. */ @@ -1537,7 +1541,7 @@ static int ocfs2_rename(struct inode *old_dir, new_dir_bh, &target_insert); } - old_inode->i_ctime = CURRENT_TIME; + old_inode->i_ctime = current_time(old_inode); mark_inode_dirty(old_inode); status = ocfs2_journal_access_di(handle, INODE_CACHE(old_inode), @@ -1586,9 +1590,9 @@ static int ocfs2_rename(struct inode *old_dir, if (new_inode) { drop_nlink(new_inode); - new_inode->i_ctime = CURRENT_TIME; + new_inode->i_ctime = current_time(new_inode); } - old_dir->i_ctime = old_dir->i_mtime = CURRENT_TIME; + old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); if (update_dot_dot) { status = ocfs2_update_entry(old_inode, handle, @@ -2913,10 +2917,7 @@ const struct inode_operations ocfs2_dir_iops = { .setattr = ocfs2_setattr, .getattr = ocfs2_getattr, .permission = ocfs2_permission, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ocfs2_listxattr, - .removexattr = generic_removexattr, .fiemap = ocfs2_fiemap, .get_acl = ocfs2_iop_get_acl, .set_acl = ocfs2_iop_set_acl, diff --git a/fs/ocfs2/refcounttree.c b/fs/ocfs2/refcounttree.c index 92bbe93bfe10..19238512a324 100644 --- a/fs/ocfs2/refcounttree.c +++ b/fs/ocfs2/refcounttree.c @@ -3778,7 +3778,7 @@ static int ocfs2_change_ctime(struct inode *inode, goto out_commit; } - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); @@ -4094,7 +4094,7 @@ static int ocfs2_complete_reflink(struct inode *s_inode, * we want mtime to appear identical to the source and * update ctime. */ - t_inode->i_ctime = CURRENT_TIME; + t_inode->i_ctime = current_time(t_inode); di->i_ctime = cpu_to_le64(t_inode->i_ctime.tv_sec); di->i_ctime_nsec = cpu_to_le32(t_inode->i_ctime.tv_nsec); diff --git a/fs/ocfs2/symlink.c b/fs/ocfs2/symlink.c index 6c2a3e3c521c..6ad8eecefe21 100644 --- a/fs/ocfs2/symlink.c +++ b/fs/ocfs2/symlink.c @@ -91,9 +91,6 @@ const struct inode_operations ocfs2_symlink_inode_operations = { .get_link = page_get_link, .getattr = ocfs2_getattr, .setattr = ocfs2_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ocfs2_listxattr, - .removexattr = generic_removexattr, .fiemap = ocfs2_fiemap, }; diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 5bb44f7a78ee..cb157a34a656 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -3431,7 +3431,7 @@ static int __ocfs2_xattr_set_handle(struct inode *inode, goto out; } - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); di->i_ctime = cpu_to_le64(inode->i_ctime.tv_sec); di->i_ctime_nsec = cpu_to_le32(inode->i_ctime.tv_nsec); ocfs2_journal_dirty(ctxt->handle, xis->inode_bh); diff --git a/fs/omfs/dir.c b/fs/omfs/dir.c index c8cbf3b60645..b7146526afff 100644 --- a/fs/omfs/dir.c +++ b/fs/omfs/dir.c @@ -143,7 +143,7 @@ static int omfs_add_link(struct dentry *dentry, struct inode *inode) mark_buffer_dirty(bh); brelse(bh); - dir->i_ctime = CURRENT_TIME_SEC; + dir->i_ctime = current_time(dir); /* mark affected inodes dirty to rebuild checksums */ mark_inode_dirty(dir); @@ -371,12 +371,16 @@ static bool omfs_fill_chain(struct inode *dir, struct dir_context *ctx, } static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *new_inode = d_inode(new_dentry); struct inode *old_inode = d_inode(old_dentry); int err; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (new_inode) { /* overwriting existing file/dir */ err = omfs_remove(new_dir, new_dentry); @@ -395,7 +399,7 @@ static int omfs_rename(struct inode *old_dir, struct dentry *old_dentry, if (err) goto out; - old_inode->i_ctime = CURRENT_TIME_SEC; + old_inode->i_ctime = current_time(old_inode); mark_inode_dirty(old_inode); out: return err; diff --git a/fs/omfs/file.c b/fs/omfs/file.c index d9e26cfbb793..bf83e6644333 100644 --- a/fs/omfs/file.c +++ b/fs/omfs/file.c @@ -349,7 +349,7 @@ static int omfs_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/omfs/inode.c b/fs/omfs/inode.c index 3d935c81789a..df7ea8543a2e 100644 --- a/fs/omfs/inode.c +++ b/fs/omfs/inode.c @@ -49,7 +49,7 @@ struct inode *omfs_new_inode(struct inode *dir, umode_t mode) inode_init_owner(inode, NULL, mode); inode->i_mapping->a_ops = &omfs_aops; - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); switch (mode & S_IFMT) { case S_IFDIR: inode->i_op = &omfs_dir_inops; diff --git a/fs/open.c b/fs/open.c index 4fd6e256f4f4..a7719cfb7257 100644 --- a/fs/open.c +++ b/fs/open.c @@ -68,6 +68,7 @@ int do_truncate(struct dentry *dentry, loff_t length, unsigned int time_attrs, long vfs_truncate(const struct path *path, loff_t length) { struct inode *inode; + struct dentry *upperdentry; long error; inode = path->dentry->d_inode; @@ -90,7 +91,17 @@ long vfs_truncate(const struct path *path, loff_t length) if (IS_APPEND(inode)) goto mnt_drop_write_and_out; - error = get_write_access(inode); + /* + * If this is an overlayfs then do as if opening the file so we get + * write access on the upper inode, not on the overlay inode. For + * non-overlay filesystems d_real() is an identity function. + */ + upperdentry = d_real(path->dentry, NULL, O_WRONLY); + error = PTR_ERR(upperdentry); + if (IS_ERR(upperdentry)) + goto mnt_drop_write_and_out; + + error = get_write_access(upperdentry->d_inode); if (error) goto mnt_drop_write_and_out; @@ -109,7 +120,7 @@ long vfs_truncate(const struct path *path, loff_t length) error = do_truncate(path->dentry, length, 0, NULL); put_write_and_out: - put_write_access(inode); + put_write_access(upperdentry->d_inode); mnt_drop_write_and_out: mnt_drop_write(path->mnt); out: @@ -289,7 +300,8 @@ int vfs_fallocate(struct file *file, int mode, loff_t offset, loff_t len) * Let individual file system decide if it supports preallocation * for directories or not. */ - if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode)) + if (!S_ISREG(inode->i_mode) && !S_ISDIR(inode->i_mode) && + !S_ISBLK(inode->i_mode)) return -ENODEV; /* Check for wrap through zero too */ @@ -726,7 +738,7 @@ static int do_dentry_open(struct file *f, if (error) goto cleanup_all; - error = break_lease(inode, f->f_flags); + error = break_lease(locks_inode(f), f->f_flags); if (error) goto cleanup_all; diff --git a/fs/openpromfs/inode.c b/fs/openpromfs/inode.c index c7a86993d97e..c003a667ed1a 100644 --- a/fs/openpromfs/inode.c +++ b/fs/openpromfs/inode.c @@ -355,7 +355,7 @@ static struct inode *openprom_iget(struct super_block *sb, ino_t ino) if (!inode) return ERR_PTR(-ENOMEM); if (inode->i_state & I_NEW) { - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); if (inode->i_ino == OPENPROM_ROOT_INO) { inode->i_op = &openprom_inode_operations; inode->i_fop = &openprom_operations; diff --git a/fs/orangefs/acl.c b/fs/orangefs/acl.c index 28f2195cd798..7a3754488312 100644 --- a/fs/orangefs/acl.c +++ b/fs/orangefs/acl.c @@ -73,14 +73,11 @@ int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - umode_t mode = inode->i_mode; - /* - * can we represent this with the traditional file - * mode permission bits? - */ - error = posix_acl_equiv_mode(acl, &mode); - if (error < 0) { - gossip_err("%s: posix_acl_equiv_mode err: %d\n", + umode_t mode; + + error = posix_acl_update_mode(inode, &mode, &acl); + if (error) { + gossip_err("%s: posix_acl_update_mode err: %d\n", __func__, error); return error; @@ -90,8 +87,6 @@ int orangefs_set_acl(struct inode *inode, struct posix_acl *acl, int type) SetModeFlag(orangefs_inode); inode->i_mode = mode; mark_inode_dirty_sync(inode); - if (error == 0) - acl = NULL; } break; case ACL_TYPE_DEFAULT: diff --git a/fs/orangefs/dir.c b/fs/orangefs/dir.c index 324f0af40d7b..284373a57a08 100644 --- a/fs/orangefs/dir.c +++ b/fs/orangefs/dir.c @@ -177,8 +177,8 @@ static int orangefs_readdir(struct file *file, struct dir_context *ctx) } gossip_debug(GOSSIP_DIR_DEBUG, - "orangefs_readdir called on %s (pos=%llu)\n", - dentry->d_name.name, llu(pos)); + "orangefs_readdir called on %pd (pos=%llu)\n", + dentry, llu(pos)); memset(&readdir_response, 0, sizeof(readdir_response)); diff --git a/fs/orangefs/file.c b/fs/orangefs/file.c index 3386886596d6..66ea0cc37b18 100644 --- a/fs/orangefs/file.c +++ b/fs/orangefs/file.c @@ -384,7 +384,7 @@ out: file_accessed(file); } else { SetMtimeFlag(orangefs_inode); - inode->i_mtime = CURRENT_TIME; + inode->i_mtime = current_time(inode); mark_inode_dirty_sync(inode); } } @@ -611,8 +611,8 @@ static int orangefs_file_mmap(struct file *file, struct vm_area_struct *vma) static int orangefs_file_release(struct inode *inode, struct file *file) { gossip_debug(GOSSIP_FILE_DEBUG, - "orangefs_file_release: called on %s\n", - file->f_path.dentry->d_name.name); + "orangefs_file_release: called on %pD\n", + file); orangefs_flush_inode(inode); diff --git a/fs/orangefs/inode.c b/fs/orangefs/inode.c index 28a0557a69be..ef3b4eb54cf2 100644 --- a/fs/orangefs/inode.c +++ b/fs/orangefs/inode.c @@ -129,8 +129,8 @@ static ssize_t orangefs_direct_IO(struct kiocb *iocb, struct iov_iter *iter) { gossip_debug(GOSSIP_INODE_DEBUG, - "orangefs_direct_IO: %s\n", - iocb->ki_filp->f_path.dentry->d_name.name); + "orangefs_direct_IO: %pD\n", + iocb->ki_filp); return -EINVAL; } @@ -216,10 +216,10 @@ int orangefs_setattr(struct dentry *dentry, struct iattr *iattr) struct inode *inode = dentry->d_inode; gossip_debug(GOSSIP_INODE_DEBUG, - "orangefs_setattr: called on %s\n", - dentry->d_name.name); + "orangefs_setattr: called on %pd\n", + dentry); - ret = inode_change_ok(inode, iattr); + ret = setattr_prepare(dentry, iattr); if (ret) goto out; @@ -259,8 +259,8 @@ int orangefs_getattr(struct vfsmount *mnt, struct orangefs_inode_s *orangefs_inode = NULL; gossip_debug(GOSSIP_INODE_DEBUG, - "orangefs_getattr: called on %s\n", - dentry->d_name.name); + "orangefs_getattr: called on %pd\n", + dentry); ret = orangefs_inode_getattr(inode, 0, 0); if (ret == 0) { @@ -296,10 +296,7 @@ const struct inode_operations orangefs_file_inode_operations = { .set_acl = orangefs_set_acl, .setattr = orangefs_setattr, .getattr = orangefs_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = orangefs_listxattr, - .removexattr = generic_removexattr, .permission = orangefs_permission, }; @@ -438,7 +435,7 @@ struct inode *orangefs_new_inode(struct super_block *sb, struct inode *dir, inode->i_mode = mode; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); inode->i_size = PAGE_SIZE; inode->i_rdev = dev; diff --git a/fs/orangefs/namei.c b/fs/orangefs/namei.c index 35269e31de92..d15d3d2dba62 100644 --- a/fs/orangefs/namei.c +++ b/fs/orangefs/namei.c @@ -24,9 +24,9 @@ static int orangefs_create(struct inode *dir, struct inode *inode; int ret; - gossip_debug(GOSSIP_NAME_DEBUG, "%s: %s\n", + gossip_debug(GOSSIP_NAME_DEBUG, "%s: %pd\n", __func__, - dentry->d_name.name); + dentry); new_op = op_alloc(ORANGEFS_VFS_OP_CREATE); if (!new_op) @@ -43,9 +43,9 @@ static int orangefs_create(struct inode *dir, ret = service_operation(new_op, __func__, get_interruptible_flag(dir)); gossip_debug(GOSSIP_NAME_DEBUG, - "%s: %s: handle:%pU: fsid:%d: new_op:%p: ret:%d:\n", + "%s: %pd: handle:%pU: fsid:%d: new_op:%p: ret:%d:\n", __func__, - dentry->d_name.name, + dentry, &new_op->downcall.resp.create.refn.khandle, new_op->downcall.resp.create.refn.fs_id, new_op, @@ -57,18 +57,18 @@ static int orangefs_create(struct inode *dir, inode = orangefs_new_inode(dir->i_sb, dir, S_IFREG | mode, 0, &new_op->downcall.resp.create.refn); if (IS_ERR(inode)) { - gossip_err("%s: Failed to allocate inode for file :%s:\n", + gossip_err("%s: Failed to allocate inode for file :%pd:\n", __func__, - dentry->d_name.name); + dentry); ret = PTR_ERR(inode); goto out; } gossip_debug(GOSSIP_NAME_DEBUG, - "%s: Assigned inode :%pU: for file :%s:\n", + "%s: Assigned inode :%pU: for file :%pd:\n", __func__, get_khandle_from_ino(inode), - dentry->d_name.name); + dentry); d_instantiate(dentry, inode); unlock_new_inode(inode); @@ -76,20 +76,20 @@ static int orangefs_create(struct inode *dir, ORANGEFS_I(inode)->getattr_time = jiffies - 1; gossip_debug(GOSSIP_NAME_DEBUG, - "%s: dentry instantiated for %s\n", + "%s: dentry instantiated for %pd\n", __func__, - dentry->d_name.name); + dentry); SetMtimeFlag(parent); - dir->i_mtime = dir->i_ctime = current_fs_time(dir->i_sb); + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty_sync(dir); ret = 0; out: op_release(new_op); gossip_debug(GOSSIP_NAME_DEBUG, - "%s: %s: returning %d\n", + "%s: %pd: returning %d\n", __func__, - dentry->d_name.name, + dentry, ret); return ret; } @@ -115,8 +115,8 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry, * -EEXIST on O_EXCL opens, which is broken if we skip this lookup * in the create path) */ - gossip_debug(GOSSIP_NAME_DEBUG, "%s called on %s\n", - __func__, dentry->d_name.name); + gossip_debug(GOSSIP_NAME_DEBUG, "%s called on %pd\n", + __func__, dentry); if (dentry->d_name.len > (ORANGEFS_NAME_MAX - 1)) return ERR_PTR(-ENAMETOOLONG); @@ -169,9 +169,9 @@ static struct dentry *orangefs_lookup(struct inode *dir, struct dentry *dentry, gossip_debug(GOSSIP_NAME_DEBUG, "orangefs_lookup: Adding *negative* dentry " - "%p for %s\n", + "%p for %pd\n", dentry, - dentry->d_name.name); + dentry); d_add(dentry, NULL); res = NULL; @@ -224,10 +224,10 @@ static int orangefs_unlink(struct inode *dir, struct dentry *dentry) int ret; gossip_debug(GOSSIP_NAME_DEBUG, - "%s: called on %s\n" + "%s: called on %pd\n" " (inode %pU): Parent is %pU | fs_id %d\n", __func__, - dentry->d_name.name, + dentry, get_khandle_from_ino(inode), &parent->refn.khandle, parent->refn.fs_id); @@ -254,7 +254,7 @@ static int orangefs_unlink(struct inode *dir, struct dentry *dentry) drop_nlink(inode); SetMtimeFlag(parent); - dir->i_mtime = dir->i_ctime = current_fs_time(dir->i_sb); + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty_sync(dir); } return ret; @@ -326,12 +326,12 @@ static int orangefs_symlink(struct inode *dir, ORANGEFS_I(inode)->getattr_time = jiffies - 1; gossip_debug(GOSSIP_NAME_DEBUG, - "Inode (Symlink) %pU -> %s\n", + "Inode (Symlink) %pU -> %pd\n", get_khandle_from_ino(inode), - dentry->d_name.name); + dentry); SetMtimeFlag(parent); - dir->i_mtime = dir->i_ctime = current_fs_time(dir->i_sb); + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty_sync(dir); ret = 0; out: @@ -390,16 +390,16 @@ static int orangefs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode ORANGEFS_I(inode)->getattr_time = jiffies - 1; gossip_debug(GOSSIP_NAME_DEBUG, - "Inode (Directory) %pU -> %s\n", + "Inode (Directory) %pU -> %pd\n", get_khandle_from_ino(inode), - dentry->d_name.name); + dentry); /* * NOTE: we have no good way to keep nlink consistent for directories * across clients; keep constant at 1. */ SetMtimeFlag(parent); - dir->i_mtime = dir->i_ctime = current_fs_time(dir->i_sb); + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty_sync(dir); out: op_release(new_op); @@ -409,11 +409,15 @@ out: static int orangefs_rename(struct inode *old_dir, struct dentry *old_dentry, struct inode *new_dir, - struct dentry *new_dentry) + struct dentry *new_dentry, + unsigned int flags) { struct orangefs_kernel_op_s *new_op; int ret; + if (flags) + return -EINVAL; + gossip_debug(GOSSIP_NAME_DEBUG, "orangefs_rename: called (%pd2 => %pd2) ct=%d\n", old_dentry, new_dentry, d_count(new_dentry)); @@ -443,7 +447,7 @@ static int orangefs_rename(struct inode *old_dir, ret); if (new_dentry->d_inode) - new_dentry->d_inode->i_ctime = CURRENT_TIME; + new_dentry->d_inode->i_ctime = current_time(new_dentry->d_inode); op_release(new_op); return ret; @@ -462,9 +466,6 @@ const struct inode_operations orangefs_dir_inode_operations = { .rename = orangefs_rename, .setattr = orangefs_setattr, .getattr = orangefs_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = orangefs_listxattr, .permission = orangefs_permission, }; diff --git a/fs/orangefs/orangefs-debugfs.c b/fs/orangefs/orangefs-debugfs.c index 9b24107c82a8..eb09aa026723 100644 --- a/fs/orangefs/orangefs-debugfs.c +++ b/fs/orangefs/orangefs-debugfs.c @@ -428,8 +428,8 @@ static ssize_t orangefs_debug_write(struct file *file, struct client_debug_mask c_mask = { NULL, 0, 0 }; gossip_debug(GOSSIP_DEBUGFS_DEBUG, - "orangefs_debug_write: %s\n", - file->f_path.dentry->d_name.name); + "orangefs_debug_write: %pD\n", + file); /* * Thwart users who try to jamb a ridiculous number diff --git a/fs/orangefs/symlink.c b/fs/orangefs/symlink.c index 8fecf823f5ba..10b0b06e075e 100644 --- a/fs/orangefs/symlink.c +++ b/fs/orangefs/symlink.c @@ -14,6 +14,5 @@ const struct inode_operations orangefs_symlink_inode_operations = { .setattr = orangefs_setattr, .getattr = orangefs_getattr, .listxattr = orangefs_listxattr, - .setxattr = generic_setxattr, .permission = orangefs_permission, }; diff --git a/fs/orangefs/xattr.c b/fs/orangefs/xattr.c index 2a9f07f06d10..74a81b1daaac 100644 --- a/fs/orangefs/xattr.c +++ b/fs/orangefs/xattr.c @@ -73,6 +73,9 @@ ssize_t orangefs_inode_getxattr(struct inode *inode, const char *name, "%s: name %s, buffer_size %zd\n", __func__, name, size); + if (S_ISLNK(inode->i_mode)) + return -EOPNOTSUPP; + if (strlen(name) >= ORANGEFS_MAX_XATTR_NAMELEN) { gossip_err("Invalid key length (%d)\n", (int)strlen(name)); diff --git a/fs/overlayfs/copy_up.c b/fs/overlayfs/copy_up.c index db37a0e02d32..3f803b3a1f82 100644 --- a/fs/overlayfs/copy_up.c +++ b/fs/overlayfs/copy_up.c @@ -58,8 +58,8 @@ int ovl_copy_xattr(struct dentry *old, struct dentry *new) char *buf, *name, *value = NULL; int uninitialized_var(error); - if (!old->d_inode->i_op->getxattr || - !new->d_inode->i_op->getxattr) + if (!(old->d_inode->i_opflags & IOP_XATTR) || + !(new->d_inode->i_opflags & IOP_XATTR)) return 0; list_size = vfs_listxattr(old, NULL, 0); diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c index b0ffa1d1677e..5f90ddf778ba 100644 --- a/fs/overlayfs/dir.c +++ b/fs/overlayfs/dir.c @@ -1006,17 +1006,14 @@ const struct inode_operations ovl_dir_inode_operations = { .symlink = ovl_symlink, .unlink = ovl_unlink, .rmdir = ovl_rmdir, - .rename2 = ovl_rename2, + .rename = ovl_rename2, .link = ovl_link, .setattr = ovl_setattr, .create = ovl_create, .mknod = ovl_mknod, .permission = ovl_permission, .getattr = ovl_dir_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ovl_listxattr, - .removexattr = generic_removexattr, .get_acl = ovl_get_acl, .update_time = ovl_update_time, }; diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c index c75625c1efa3..c18d6a4ff456 100644 --- a/fs/overlayfs/inode.c +++ b/fs/overlayfs/inode.c @@ -53,7 +53,7 @@ int ovl_setattr(struct dentry *dentry, struct iattr *attr) * inode_newsize_ok() will always check against MAX_LFS_FILESIZE and not * check for a swapfile (which this won't be anyway). */ - err = inode_change_ok(dentry->d_inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -367,10 +367,7 @@ static const struct inode_operations ovl_file_inode_operations = { .setattr = ovl_setattr, .permission = ovl_permission, .getattr = ovl_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ovl_listxattr, - .removexattr = generic_removexattr, .get_acl = ovl_get_acl, .update_time = ovl_update_time, }; @@ -380,10 +377,7 @@ static const struct inode_operations ovl_symlink_inode_operations = { .get_link = ovl_get_link, .readlink = ovl_readlink, .getattr = ovl_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ovl_listxattr, - .removexattr = generic_removexattr, .update_time = ovl_update_time, }; diff --git a/fs/overlayfs/overlayfs.h b/fs/overlayfs/overlayfs.h index 5813ccff8cd9..e218e741cb99 100644 --- a/fs/overlayfs/overlayfs.h +++ b/fs/overlayfs/overlayfs.h @@ -114,13 +114,13 @@ static inline int ovl_do_rename(struct inode *olddir, struct dentry *olddentry, { int err; - pr_debug("rename2(%pd2, %pd2, 0x%x)\n", + pr_debug("rename(%pd2, %pd2, 0x%x)\n", olddentry, newdentry, flags); err = vfs_rename(olddir, olddentry, newdir, newdentry, NULL, flags); if (err) { - pr_debug("...rename2(%pd2, %pd2, ...) = %i\n", + pr_debug("...rename(%pd2, %pd2, ...) = %i\n", olddentry, newdentry, err); } return err; diff --git a/fs/overlayfs/super.c b/fs/overlayfs/super.c index e2a94a26767b..7e3f0127fc1a 100644 --- a/fs/overlayfs/super.c +++ b/fs/overlayfs/super.c @@ -275,10 +275,10 @@ static bool ovl_is_opaquedir(struct dentry *dentry) char val; struct inode *inode = dentry->d_inode; - if (!S_ISDIR(inode->i_mode) || !inode->i_op->getxattr) + if (!S_ISDIR(inode->i_mode) || !(inode->i_opflags & IOP_XATTR)) return false; - res = inode->i_op->getxattr(dentry, inode, OVL_XATTR_OPAQUE, &val, 1); + res = __vfs_getxattr(dentry, inode, OVL_XATTR_OPAQUE, &val, 1); if (res == 1 && val == 'y') return true; @@ -1320,7 +1320,7 @@ static int ovl_fill_super(struct super_block *sb, void *data, int silent) sb->s_xattr = ovl_xattr_handlers; sb->s_root = root_dentry; sb->s_fs_info = ufs; - sb->s_flags |= MS_POSIXACL; + sb->s_flags |= MS_POSIXACL | MS_NOREMOTELOCK; return 0; diff --git a/fs/pipe.c b/fs/pipe.c index 4fc422f0dea8..8e0d9f26dfad 100644 --- a/fs/pipe.c +++ b/fs/pipe.c @@ -601,54 +601,63 @@ pipe_fasync(int fd, struct file *filp, int on) return retval; } -static void account_pipe_buffers(struct pipe_inode_info *pipe, +static unsigned long account_pipe_buffers(struct user_struct *user, unsigned long old, unsigned long new) { - atomic_long_add(new - old, &pipe->user->pipe_bufs); + return atomic_long_add_return(new - old, &user->pipe_bufs); } -static bool too_many_pipe_buffers_soft(struct user_struct *user) +static bool too_many_pipe_buffers_soft(unsigned long user_bufs) { - return pipe_user_pages_soft && - atomic_long_read(&user->pipe_bufs) >= pipe_user_pages_soft; + return pipe_user_pages_soft && user_bufs >= pipe_user_pages_soft; } -static bool too_many_pipe_buffers_hard(struct user_struct *user) +static bool too_many_pipe_buffers_hard(unsigned long user_bufs) { - return pipe_user_pages_hard && - atomic_long_read(&user->pipe_bufs) >= pipe_user_pages_hard; + return pipe_user_pages_hard && user_bufs >= pipe_user_pages_hard; } struct pipe_inode_info *alloc_pipe_info(void) { struct pipe_inode_info *pipe; + unsigned long pipe_bufs = PIPE_DEF_BUFFERS; + struct user_struct *user = get_current_user(); + unsigned long user_bufs; pipe = kzalloc(sizeof(struct pipe_inode_info), GFP_KERNEL_ACCOUNT); - if (pipe) { - unsigned long pipe_bufs = PIPE_DEF_BUFFERS; - struct user_struct *user = get_current_user(); - - if (!too_many_pipe_buffers_hard(user)) { - if (too_many_pipe_buffers_soft(user)) - pipe_bufs = 1; - pipe->bufs = kcalloc(pipe_bufs, - sizeof(struct pipe_buffer), - GFP_KERNEL_ACCOUNT); - } + if (pipe == NULL) + goto out_free_uid; - if (pipe->bufs) { - init_waitqueue_head(&pipe->wait); - pipe->r_counter = pipe->w_counter = 1; - pipe->buffers = pipe_bufs; - pipe->user = user; - account_pipe_buffers(pipe, 0, pipe_bufs); - mutex_init(&pipe->mutex); - return pipe; - } - free_uid(user); - kfree(pipe); + if (pipe_bufs * PAGE_SIZE > pipe_max_size && !capable(CAP_SYS_RESOURCE)) + pipe_bufs = pipe_max_size >> PAGE_SHIFT; + + user_bufs = account_pipe_buffers(user, 0, pipe_bufs); + + if (too_many_pipe_buffers_soft(user_bufs)) { + user_bufs = account_pipe_buffers(user, pipe_bufs, 1); + pipe_bufs = 1; + } + + if (too_many_pipe_buffers_hard(user_bufs)) + goto out_revert_acct; + + pipe->bufs = kcalloc(pipe_bufs, sizeof(struct pipe_buffer), + GFP_KERNEL_ACCOUNT); + + if (pipe->bufs) { + init_waitqueue_head(&pipe->wait); + pipe->r_counter = pipe->w_counter = 1; + pipe->buffers = pipe_bufs; + pipe->user = user; + mutex_init(&pipe->mutex); + return pipe; } +out_revert_acct: + (void) account_pipe_buffers(user, pipe_bufs, 0); + kfree(pipe); +out_free_uid: + free_uid(user); return NULL; } @@ -656,7 +665,7 @@ void free_pipe_info(struct pipe_inode_info *pipe) { int i; - account_pipe_buffers(pipe, pipe->buffers, 0); + (void) account_pipe_buffers(pipe->user, pipe->buffers, 0); free_uid(pipe->user); for (i = 0; i < pipe->buffers; i++) { struct pipe_buffer *buf = pipe->bufs + i; @@ -713,7 +722,7 @@ static struct inode * get_pipe_inode(void) inode->i_mode = S_IFIFO | S_IRUSR | S_IWUSR; inode->i_uid = current_fsuid(); inode->i_gid = current_fsgid(); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); return inode; @@ -1008,12 +1017,54 @@ const struct file_operations pipefifo_fops = { }; /* + * Currently we rely on the pipe array holding a power-of-2 number + * of pages. + */ +static inline unsigned int round_pipe_size(unsigned int size) +{ + unsigned long nr_pages; + + nr_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; + return roundup_pow_of_two(nr_pages) << PAGE_SHIFT; +} + +/* * Allocate a new array of pipe buffers and copy the info over. Returns the * pipe size if successful, or return -ERROR on error. */ -static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long nr_pages) +static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long arg) { struct pipe_buffer *bufs; + unsigned int size, nr_pages; + unsigned long user_bufs; + long ret = 0; + + size = round_pipe_size(arg); + nr_pages = size >> PAGE_SHIFT; + + if (!nr_pages) + return -EINVAL; + + /* + * If trying to increase the pipe capacity, check that an + * unprivileged user is not trying to exceed various limits + * (soft limit check here, hard limit check just below). + * Decreasing the pipe capacity is always permitted, even + * if the user is currently over a limit. + */ + if (nr_pages > pipe->buffers && + size > pipe_max_size && !capable(CAP_SYS_RESOURCE)) + return -EPERM; + + user_bufs = account_pipe_buffers(pipe->user, pipe->buffers, nr_pages); + + if (nr_pages > pipe->buffers && + (too_many_pipe_buffers_hard(user_bufs) || + too_many_pipe_buffers_soft(user_bufs)) && + !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN)) { + ret = -EPERM; + goto out_revert_acct; + } /* * We can shrink the pipe, if arg >= pipe->nrbufs. Since we don't @@ -1021,13 +1072,17 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long nr_pages) * again like we would do for growing. If the pipe currently * contains more buffers than arg, then return busy. */ - if (nr_pages < pipe->nrbufs) - return -EBUSY; + if (nr_pages < pipe->nrbufs) { + ret = -EBUSY; + goto out_revert_acct; + } bufs = kcalloc(nr_pages, sizeof(*bufs), GFP_KERNEL_ACCOUNT | __GFP_NOWARN); - if (unlikely(!bufs)) - return -ENOMEM; + if (unlikely(!bufs)) { + ret = -ENOMEM; + goto out_revert_acct; + } /* * The pipe array wraps around, so just start the new one at zero @@ -1050,24 +1105,15 @@ static long pipe_set_size(struct pipe_inode_info *pipe, unsigned long nr_pages) memcpy(bufs + head, pipe->bufs, tail * sizeof(struct pipe_buffer)); } - account_pipe_buffers(pipe, pipe->buffers, nr_pages); pipe->curbuf = 0; kfree(pipe->bufs); pipe->bufs = bufs; pipe->buffers = nr_pages; return nr_pages * PAGE_SIZE; -} - -/* - * Currently we rely on the pipe array holding a power-of-2 number - * of pages. - */ -static inline unsigned int round_pipe_size(unsigned int size) -{ - unsigned long nr_pages; - nr_pages = (size + PAGE_SIZE - 1) >> PAGE_SHIFT; - return roundup_pow_of_two(nr_pages) << PAGE_SHIFT; +out_revert_acct: + (void) account_pipe_buffers(pipe->user, nr_pages, pipe->buffers); + return ret; } /* @@ -1109,28 +1155,9 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) __pipe_lock(pipe); switch (cmd) { - case F_SETPIPE_SZ: { - unsigned int size, nr_pages; - - size = round_pipe_size(arg); - nr_pages = size >> PAGE_SHIFT; - - ret = -EINVAL; - if (!nr_pages) - goto out; - - if (!capable(CAP_SYS_RESOURCE) && size > pipe_max_size) { - ret = -EPERM; - goto out; - } else if ((too_many_pipe_buffers_hard(pipe->user) || - too_many_pipe_buffers_soft(pipe->user)) && - !capable(CAP_SYS_RESOURCE) && !capable(CAP_SYS_ADMIN)) { - ret = -EPERM; - goto out; - } - ret = pipe_set_size(pipe, nr_pages); + case F_SETPIPE_SZ: + ret = pipe_set_size(pipe, arg); break; - } case F_GETPIPE_SZ: ret = pipe->buffers * PAGE_SIZE; break; @@ -1139,7 +1166,6 @@ long pipe_fcntl(struct file *file, unsigned int cmd, unsigned long arg) break; } -out: __pipe_unlock(pipe); return ret; } diff --git a/fs/posix_acl.c b/fs/posix_acl.c index 59d47ab0791a..595522022aca 100644 --- a/fs/posix_acl.c +++ b/fs/posix_acl.c @@ -598,13 +598,14 @@ posix_acl_create(struct inode *dir, umode_t *mode, if (IS_ERR(p)) return PTR_ERR(p); + ret = -ENOMEM; clone = posix_acl_clone(p, GFP_NOFS); if (!clone) - goto no_mem; + goto err_release; ret = posix_acl_create_masq(clone, mode); if (ret < 0) - goto no_mem_clone; + goto err_release_clone; if (ret == 0) posix_acl_release(clone); @@ -618,14 +619,45 @@ posix_acl_create(struct inode *dir, umode_t *mode, return 0; -no_mem_clone: +err_release_clone: posix_acl_release(clone); -no_mem: +err_release: posix_acl_release(p); - return -ENOMEM; + return ret; } EXPORT_SYMBOL_GPL(posix_acl_create); +/** + * posix_acl_update_mode - update mode in set_acl + * + * Update the file mode when setting an ACL: compute the new file permission + * bits based on the ACL. In addition, if the ACL is equivalent to the new + * file mode, set *acl to NULL to indicate that no ACL should be set. + * + * As with chmod, clear the setgit bit if the caller is not in the owning group + * or capable of CAP_FSETID (see inode_change_ok). + * + * Called from set_acl inode operations. + */ +int posix_acl_update_mode(struct inode *inode, umode_t *mode_p, + struct posix_acl **acl) +{ + umode_t mode = inode->i_mode; + int error; + + error = posix_acl_equiv_mode(*acl, &mode); + if (error < 0) + return error; + if (error == 0) + *acl = NULL; + if (!in_group_p(inode->i_gid) && + !capable_wrt_inode_uidgid(inode, CAP_FSETID)) + mode &= ~S_ISGID; + *mode_p = mode; + return 0; +} +EXPORT_SYMBOL(posix_acl_update_mode); + /* * Fix up the uids and gids in posix acl extended attributes in place. */ @@ -633,15 +665,15 @@ static void posix_acl_fix_xattr_userns( struct user_namespace *to, struct user_namespace *from, void *value, size_t size) { - posix_acl_xattr_header *header = (posix_acl_xattr_header *)value; - posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end; + struct posix_acl_xattr_header *header = value; + struct posix_acl_xattr_entry *entry = (void *)(header + 1), *end; int count; kuid_t uid; kgid_t gid; if (!value) return; - if (size < sizeof(posix_acl_xattr_header)) + if (size < sizeof(struct posix_acl_xattr_header)) return; if (header->a_version != cpu_to_le32(POSIX_ACL_XATTR_VERSION)) return; @@ -691,15 +723,15 @@ struct posix_acl * posix_acl_from_xattr(struct user_namespace *user_ns, const void *value, size_t size) { - posix_acl_xattr_header *header = (posix_acl_xattr_header *)value; - posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end; + const struct posix_acl_xattr_header *header = value; + const struct posix_acl_xattr_entry *entry = (const void *)(header + 1), *end; int count; struct posix_acl *acl; struct posix_acl_entry *acl_e; if (!value) return NULL; - if (size < sizeof(posix_acl_xattr_header)) + if (size < sizeof(struct posix_acl_xattr_header)) return ERR_PTR(-EINVAL); if (header->a_version != cpu_to_le32(POSIX_ACL_XATTR_VERSION)) return ERR_PTR(-EOPNOTSUPP); @@ -760,8 +792,8 @@ int posix_acl_to_xattr(struct user_namespace *user_ns, const struct posix_acl *acl, void *buffer, size_t size) { - posix_acl_xattr_header *ext_acl = (posix_acl_xattr_header *)buffer; - posix_acl_xattr_entry *ext_entry; + struct posix_acl_xattr_header *ext_acl = buffer; + struct posix_acl_xattr_entry *ext_entry; int real_size, n; real_size = posix_acl_xattr_size(acl->a_count); @@ -770,7 +802,7 @@ posix_acl_to_xattr(struct user_namespace *user_ns, const struct posix_acl *acl, if (real_size > size) return -ERANGE; - ext_entry = ext_acl->a_entries; + ext_entry = (void *)(ext_acl + 1); ext_acl->a_version = cpu_to_le32(POSIX_ACL_XATTR_VERSION); for (n=0; n < acl->a_count; n++, ext_entry++) { @@ -897,7 +929,7 @@ int simple_set_acl(struct inode *inode, struct posix_acl *acl, int type) acl = NULL; } - inode->i_ctime = CURRENT_TIME; + inode->i_ctime = current_time(inode); set_cached_acl(inode, type, acl); return 0; } diff --git a/fs/proc/base.c b/fs/proc/base.c index dc7fe5f3a53c..c2964d890c9a 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -400,23 +400,6 @@ static const struct file_operations proc_pid_cmdline_ops = { .llseek = generic_file_llseek, }; -static int proc_pid_auxv(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) -{ - struct mm_struct *mm = mm_access(task, PTRACE_MODE_READ_FSCREDS); - if (mm && !IS_ERR(mm)) { - unsigned int nwords = 0; - do { - nwords += 2; - } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */ - seq_write(m, mm->saved_auxv, nwords * sizeof(mm->saved_auxv[0])); - mmput(mm); - return 0; - } else - return PTR_ERR(mm); -} - - #ifdef CONFIG_KALLSYMS /* * Provides a wchan file via kallsyms in a proper one-value-per-file format. @@ -709,7 +692,7 @@ int proc_setattr(struct dentry *dentry, struct iattr *attr) if (attr->ia_valid & ATTR_MODE) return -EPERM; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; @@ -1014,6 +997,30 @@ static const struct file_operations proc_environ_operations = { .release = mem_release, }; +static int auxv_open(struct inode *inode, struct file *file) +{ + return __mem_open(inode, file, PTRACE_MODE_READ_FSCREDS); +} + +static ssize_t auxv_read(struct file *file, char __user *buf, + size_t count, loff_t *ppos) +{ + struct mm_struct *mm = file->private_data; + unsigned int nwords = 0; + do { + nwords += 2; + } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */ + return simple_read_from_buffer(buf, count, ppos, mm->saved_auxv, + nwords * sizeof(mm->saved_auxv[0])); +} + +static const struct file_operations proc_auxv_operations = { + .open = auxv_open, + .read = auxv_read, + .llseek = generic_file_llseek, + .release = mem_release, +}; + static ssize_t oom_adj_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -1664,7 +1671,7 @@ struct inode *proc_pid_make_inode(struct super_block * sb, struct task_struct *t /* Common stuff */ ei = PROC_I(inode); inode->i_ino = get_next_ino(); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_op = &proc_def_inode_operations; /* @@ -2842,7 +2849,7 @@ static const struct pid_entry tgid_base_stuff[] = { DIR("net", S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations), #endif REG("environ", S_IRUSR, proc_environ_operations), - ONE("auxv", S_IRUSR, proc_pid_auxv), + REG("auxv", S_IRUSR, proc_auxv_operations), ONE("status", S_IRUGO, proc_pid_status), ONE("personality", S_IRUSR, proc_pid_personality), ONE("limits", S_IRUGO, proc_pid_limits), @@ -3230,7 +3237,7 @@ static const struct pid_entry tid_base_stuff[] = { DIR("net", S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations), #endif REG("environ", S_IRUSR, proc_environ_operations), - ONE("auxv", S_IRUSR, proc_pid_auxv), + REG("auxv", S_IRUSR, proc_auxv_operations), ONE("status", S_IRUGO, proc_pid_status), ONE("personality", S_IRUSR, proc_pid_personality), ONE("limits", S_IRUGO, proc_pid_limits), diff --git a/fs/proc/fd.c b/fs/proc/fd.c index 01df23cc81f6..d21dafef3102 100644 --- a/fs/proc/fd.c +++ b/fs/proc/fd.c @@ -31,7 +31,7 @@ static int seq_show(struct seq_file *m, void *v) put_task_struct(task); if (files) { - int fd = proc_fd(m->private); + unsigned int fd = proc_fd(m->private); spin_lock(&files->file_lock); file = fcheck_files(files, fd); @@ -86,7 +86,7 @@ static int tid_fd_revalidate(struct dentry *dentry, unsigned int flags) struct task_struct *task; const struct cred *cred; struct inode *inode; - int fd; + unsigned int fd; if (flags & LOOKUP_RCU) return -ECHILD; @@ -158,7 +158,7 @@ static int proc_fd_link(struct dentry *dentry, struct path *path) } if (files) { - int fd = proc_fd(d_inode(dentry)); + unsigned int fd = proc_fd(d_inode(dentry)); struct file *fd_file; spin_lock(&files->file_lock); @@ -253,7 +253,7 @@ static int proc_readfd_common(struct file *file, struct dir_context *ctx, continue; rcu_read_unlock(); - len = snprintf(name, sizeof(name), "%d", fd); + len = snprintf(name, sizeof(name), "%u", fd); if (!proc_fill_cache(file, ctx, name, len, instantiate, p, (void *)(unsigned long)fd)) diff --git a/fs/proc/fd.h b/fs/proc/fd.h index 7c047f256ae2..46dafadd0083 100644 --- a/fs/proc/fd.h +++ b/fs/proc/fd.h @@ -11,7 +11,7 @@ extern const struct inode_operations proc_fdinfo_inode_operations; extern int proc_fd_permission(struct inode *inode, int mask); -static inline int proc_fd(struct inode *inode) +static inline unsigned int proc_fd(struct inode *inode) { return PROC_I(inode)->fd; } diff --git a/fs/proc/generic.c b/fs/proc/generic.c index bca66d83a765..5f2dc2032c79 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -105,7 +105,7 @@ static int proc_notify_change(struct dentry *dentry, struct iattr *iattr) struct proc_dir_entry *de = PDE(inode); int error; - error = inode_change_ok(inode, iattr); + error = setattr_prepare(dentry, iattr); if (error) return error; diff --git a/fs/proc/inode.c b/fs/proc/inode.c index c1b72388e571..e69ebe648a34 100644 --- a/fs/proc/inode.c +++ b/fs/proc/inode.c @@ -68,7 +68,6 @@ static struct inode *proc_alloc_inode(struct super_block *sb) ei->sysctl_entry = NULL; ei->ns_ops = NULL; inode = &ei->vfs_inode; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; return inode; } @@ -421,7 +420,7 @@ struct inode *proc_get_inode(struct super_block *sb, struct proc_dir_entry *de) if (inode) { inode->i_ino = de->low_ino; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); PROC_I(inode)->pde = de; if (is_empty_pde(de)) { diff --git a/fs/proc/internal.h b/fs/proc/internal.h index 7931c558c192..5378441ec1b7 100644 --- a/fs/proc/internal.h +++ b/fs/proc/internal.h @@ -60,7 +60,7 @@ union proc_op { struct proc_inode { struct pid *pid; - int fd; + unsigned int fd; union proc_op op; struct proc_dir_entry *pde; struct ctl_table_header *sysctl; diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c index 71025b9e2a4e..55313d994895 100644 --- a/fs/proc/proc_sysctl.c +++ b/fs/proc/proc_sysctl.c @@ -445,7 +445,7 @@ static struct inode *proc_sys_make_inode(struct super_block *sb, ei->sysctl = head; ei->sysctl_entry = table; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_mode = table->mode; if (!S_ISDIR(table->mode)) { inode->i_mode |= S_IFREG; @@ -759,7 +759,7 @@ static int proc_sys_setattr(struct dentry *dentry, struct iattr *attr) if (attr->ia_valid & (ATTR_MODE | ATTR_UID | ATTR_GID)) return -EPERM; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/proc/self.c b/fs/proc/self.c index b6a8d3529fea..40245954c450 100644 --- a/fs/proc/self.c +++ b/fs/proc/self.c @@ -56,7 +56,7 @@ int proc_setup_self(struct super_block *s) struct inode *inode = new_inode_pseudo(s); if (inode) { inode->i_ino = self_inum; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_mode = S_IFLNK | S_IRWXUGO; inode->i_uid = GLOBAL_ROOT_UID; inode->i_gid = GLOBAL_ROOT_GID; diff --git a/fs/proc/thread_self.c b/fs/proc/thread_self.c index e58a31e8fb2a..595b90a9766c 100644 --- a/fs/proc/thread_self.c +++ b/fs/proc/thread_self.c @@ -58,7 +58,7 @@ int proc_setup_thread_self(struct super_block *s) struct inode *inode = new_inode_pseudo(s); if (inode) { inode->i_ino = thread_self_inum; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_mode = S_IFLNK | S_IRWXUGO; inode->i_uid = GLOBAL_ROOT_UID; inode->i_gid = GLOBAL_ROOT_GID; diff --git a/fs/pstore/inode.c b/fs/pstore/inode.c index ec9ddef5ae75..1781dc50762e 100644 --- a/fs/pstore/inode.c +++ b/fs/pstore/inode.c @@ -230,7 +230,7 @@ static struct inode *pstore_get_inode(struct super_block *sb) struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); } return inode; } diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c index be3ddd189cd4..2bcbf4e77982 100644 --- a/fs/ramfs/file-nommu.c +++ b/fs/ramfs/file-nommu.c @@ -169,7 +169,7 @@ static int ramfs_nommu_setattr(struct dentry *dentry, struct iattr *ia) int ret = 0; /* POSIX UID/GID verification for setting inode attributes */ - ret = inode_change_ok(inode, ia); + ret = setattr_prepare(dentry, ia); if (ret) return ret; diff --git a/fs/ramfs/inode.c b/fs/ramfs/inode.c index 1ab6e6c2e60e..8621c039b536 100644 --- a/fs/ramfs/inode.c +++ b/fs/ramfs/inode.c @@ -61,7 +61,7 @@ struct inode *ramfs_get_inode(struct super_block *sb, inode->i_mapping->a_ops = &ramfs_aops; mapping_set_gfp_mask(inode->i_mapping, GFP_HIGHUSER); mapping_set_unevictable(inode->i_mapping); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); switch (mode & S_IFMT) { default: init_special_inode(inode, mode, dev); @@ -100,7 +100,7 @@ ramfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) d_instantiate(dentry, inode); dget(dentry); /* Extra count - pin the dentry in core */ error = 0; - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); } return error; } @@ -130,7 +130,7 @@ static int ramfs_symlink(struct inode * dir, struct dentry *dentry, const char * if (!error) { d_instantiate(dentry, inode); dget(dentry); - dir->i_mtime = dir->i_ctime = CURRENT_TIME; + dir->i_mtime = dir->i_ctime = current_time(dir); } else iput(inode); } diff --git a/fs/reiserfs/file.c b/fs/reiserfs/file.c index 90f815bdfa8a..2f8c5c9bdaf6 100644 --- a/fs/reiserfs/file.c +++ b/fs/reiserfs/file.c @@ -260,10 +260,7 @@ const struct file_operations reiserfs_file_operations = { const struct inode_operations reiserfs_file_inode_operations = { .setattr = reiserfs_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = reiserfs_listxattr, - .removexattr = generic_removexattr, .permission = reiserfs_permission, .get_acl = reiserfs_get_acl, .set_acl = reiserfs_set_acl, diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c index c2c59f9ff04b..58b2dedb2a3a 100644 --- a/fs/reiserfs/inode.c +++ b/fs/reiserfs/inode.c @@ -2005,7 +2005,7 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th, if (S_ISLNK(inode->i_mode)) inode->i_flags &= ~(S_IMMUTABLE | S_APPEND); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_size = i_size; inode->i_blocks = 0; inode->i_bytes = 0; @@ -3312,7 +3312,7 @@ int reiserfs_setattr(struct dentry *dentry, struct iattr *attr) unsigned int ia_valid; int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/reiserfs/ioctl.c b/fs/reiserfs/ioctl.c index 2f1ddc908013..1f4692a505a0 100644 --- a/fs/reiserfs/ioctl.c +++ b/fs/reiserfs/ioctl.c @@ -94,7 +94,7 @@ long reiserfs_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) } sd_attrs_to_i_attrs(flags, inode); REISERFS_I(inode)->i_attrs = flags; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); setflags_out: mnt_drop_write_file(filp); @@ -115,7 +115,7 @@ setflags_out: err = -EFAULT; goto setversion_out; } - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); setversion_out: mnt_drop_write_file(filp); diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c index 8a36696d6df9..e6a2b406af36 100644 --- a/fs/reiserfs/namei.c +++ b/fs/reiserfs/namei.c @@ -570,7 +570,7 @@ static int reiserfs_add_entry(struct reiserfs_transaction_handle *th, } dir->i_size += paste_size; - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); if (!S_ISDIR(inode->i_mode) && visible) /* reiserfs_mkdir or reiserfs_rename will do that by itself */ reiserfs_update_sd(th, dir); @@ -963,7 +963,7 @@ static int reiserfs_rmdir(struct inode *dir, struct dentry *dentry) inode->i_nlink); clear_nlink(inode); - inode->i_ctime = dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC; + inode->i_ctime = dir->i_ctime = dir->i_mtime = current_time(dir); reiserfs_update_sd(&th, inode); DEC_DIR_INODE_NLINK(dir) @@ -1067,11 +1067,11 @@ static int reiserfs_unlink(struct inode *dir, struct dentry *dentry) inc_nlink(inode); goto end_unlink; } - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); reiserfs_update_sd(&th, inode); dir->i_size -= (de.de_entrylen + DEH_SIZE); - dir->i_ctime = dir->i_mtime = CURRENT_TIME_SEC; + dir->i_ctime = dir->i_mtime = current_time(dir); reiserfs_update_sd(&th, dir); if (!savelink) @@ -1246,7 +1246,7 @@ static int reiserfs_link(struct dentry *old_dentry, struct inode *dir, return err ? err : retval; } - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); reiserfs_update_sd(&th, inode); ihold(inode); @@ -1306,7 +1306,8 @@ static void set_ino_in_dir_entry(struct reiserfs_dir_entry *de, * get_empty_nodes or its clones */ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { int retval; INITIALIZE_PATH(old_entry_path); @@ -1321,6 +1322,9 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry, unsigned long savelink = 1; struct timespec ctime; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* * three balancings: (1) old name removal, (2) new name insertion * and (3) maybe "save" link insertion @@ -1567,7 +1571,7 @@ static int reiserfs_rename(struct inode *old_dir, struct dentry *old_dentry, mark_de_hidden(old_de.de_deh + old_de.de_entry_num); journal_mark_dirty(&th, old_de.de_bh); - ctime = CURRENT_TIME_SEC; + ctime = current_time(old_dir); old_dir->i_ctime = old_dir->i_mtime = ctime; new_dir->i_ctime = new_dir->i_mtime = ctime; /* @@ -1650,10 +1654,7 @@ const struct inode_operations reiserfs_dir_inode_operations = { .mknod = reiserfs_mknod, .rename = reiserfs_rename, .setattr = reiserfs_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = reiserfs_listxattr, - .removexattr = generic_removexattr, .permission = reiserfs_permission, .get_acl = reiserfs_get_acl, .set_acl = reiserfs_set_acl, @@ -1667,10 +1668,7 @@ const struct inode_operations reiserfs_symlink_inode_operations = { .readlink = generic_readlink, .get_link = page_get_link, .setattr = reiserfs_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = reiserfs_listxattr, - .removexattr = generic_removexattr, .permission = reiserfs_permission, }; @@ -1679,10 +1677,7 @@ const struct inode_operations reiserfs_symlink_inode_operations = { */ const struct inode_operations reiserfs_special_inode_operations = { .setattr = reiserfs_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = reiserfs_listxattr, - .removexattr = generic_removexattr, .permission = reiserfs_permission, .get_acl = reiserfs_get_acl, .set_acl = reiserfs_set_acl, diff --git a/fs/reiserfs/stree.c b/fs/reiserfs/stree.c index 4032d1e87c8f..a97e352d05d3 100644 --- a/fs/reiserfs/stree.c +++ b/fs/reiserfs/stree.c @@ -1987,8 +1987,8 @@ int reiserfs_do_truncate(struct reiserfs_transaction_handle *th, pathrelse(&s_search_path); if (update_timestamps) { - inode->i_mtime = CURRENT_TIME_SEC; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = current_time(inode); + inode->i_ctime = current_time(inode); } reiserfs_update_sd(th, inode); @@ -2012,8 +2012,8 @@ int reiserfs_do_truncate(struct reiserfs_transaction_handle *th, update_and_out: if (update_timestamps) { /* this is truncate, not file closing */ - inode->i_mtime = CURRENT_TIME_SEC; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = current_time(inode); + inode->i_ctime = current_time(inode); } reiserfs_update_sd(th, inode); diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c index 74d5ddd26296..0a6ad4e71e88 100644 --- a/fs/reiserfs/super.c +++ b/fs/reiserfs/super.c @@ -2522,7 +2522,7 @@ out: if (inode->i_size < off + len - towrite) i_size_write(inode, off + len - towrite); inode->i_version++; - inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_mtime = inode->i_ctime = current_time(inode); mark_inode_dirty(inode); return len - towrite; } diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c index a33812ae9fad..e87aa21c30de 100644 --- a/fs/reiserfs/xattr.c +++ b/fs/reiserfs/xattr.c @@ -450,13 +450,13 @@ int reiserfs_commit_write(struct file *f, struct page *page, static void update_ctime(struct inode *inode) { - struct timespec now = current_fs_time(inode->i_sb); + struct timespec now = current_time(inode); if (inode_unhashed(inode) || !inode->i_nlink || timespec_equal(&inode->i_ctime, &now)) return; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); } @@ -575,7 +575,7 @@ reiserfs_xattr_set_handle(struct reiserfs_transaction_handle *th, new_size = buffer_size + sizeof(struct reiserfs_xattr_header); if (!err && new_size < i_size_read(d_inode(dentry))) { struct iattr newattrs = { - .ia_ctime = current_fs_time(inode->i_sb), + .ia_ctime = current_time(inode), .ia_size = new_size, .ia_valid = ATTR_SIZE | ATTR_CTIME, }; diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c index dbed42f755e0..3d2256a425ee 100644 --- a/fs/reiserfs/xattr_acl.c +++ b/fs/reiserfs/xattr_acl.c @@ -242,13 +242,9 @@ __reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode, case ACL_TYPE_ACCESS: name = XATTR_NAME_POSIX_ACL_ACCESS; if (acl) { - error = posix_acl_equiv_mode(acl, &inode->i_mode); - if (error < 0) + error = posix_acl_update_mode(inode, &inode->i_mode, &acl); + if (error) return error; - else { - if (error == 0) - acl = NULL; - } } break; case ACL_TYPE_DEFAULT: @@ -277,7 +273,7 @@ __reiserfs_set_acl(struct reiserfs_transaction_handle *th, struct inode *inode, if (error == -ENODATA) { error = 0; if (type == ACL_TYPE_ACCESS) { - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); } } diff --git a/fs/select.c b/fs/select.c index 8ed9da50896a..3d4f85defeab 100644 --- a/fs/select.c +++ b/fs/select.c @@ -29,6 +29,7 @@ #include <linux/sched/rt.h> #include <linux/freezer.h> #include <net/busy_poll.h> +#include <linux/vmalloc.h> #include <asm/uaccess.h> @@ -554,7 +555,7 @@ int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set_bits fds; void *bits; int ret, max_fds; - unsigned int size; + size_t size, alloc_size; struct fdtable *fdt; /* Allocate small arguments on the stack to save memory and be faster */ long stack_fds[SELECT_STACK_ALLOC/sizeof(long)]; @@ -581,7 +582,14 @@ int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp, if (size > sizeof(stack_fds) / 6) { /* Not enough space in on-stack array; must use kmalloc */ ret = -ENOMEM; - bits = kmalloc(6 * size, GFP_KERNEL); + if (size > (SIZE_MAX / 6)) + goto out_nofds; + + alloc_size = 6 * size; + bits = kmalloc(alloc_size, GFP_KERNEL|__GFP_NOWARN); + if (!bits && alloc_size > PAGE_SIZE) + bits = vmalloc(alloc_size); + if (!bits) goto out_nofds; } @@ -618,7 +626,7 @@ int core_sys_select(int n, fd_set __user *inp, fd_set __user *outp, out: if (bits != stack_fds) - kfree(bits); + kvfree(bits); out_nofds: return ret; } diff --git a/fs/splice.c b/fs/splice.c index aa38901a4f10..153d4f3bd441 100644 --- a/fs/splice.c +++ b/fs/splice.c @@ -315,15 +315,9 @@ ssize_t generic_file_splice_read(struct file *in, loff_t *ppos, *ppos = kiocb.ki_pos; file_accessed(in); } else if (ret < 0) { - if (WARN_ON(to.idx != idx || to.iov_offset)) { - /* - * a bogus ->read_iter() has copied something and still - * returned an error instead of a short read. - */ - to.idx = idx; - to.iov_offset = 0; - iov_iter_advance(&to, 0); /* to free what was emitted */ - } + to.idx = idx; + to.iov_offset = 0; + iov_iter_advance(&to, 0); /* to free what was emitted */ /* * callers of ->splice_read() expect -EAGAIN on * "can't put anything in there", rather than -EFAULT. diff --git a/fs/squashfs/inode.c b/fs/squashfs/inode.c index 0927b1e80ab6..e9793b1e49a5 100644 --- a/fs/squashfs/inode.c +++ b/fs/squashfs/inode.c @@ -425,7 +425,6 @@ failed_read: const struct inode_operations squashfs_inode_ops = { - .getxattr = generic_getxattr, .listxattr = squashfs_listxattr }; diff --git a/fs/squashfs/namei.c b/fs/squashfs/namei.c index 67cad77fefb4..40c10d9974c9 100644 --- a/fs/squashfs/namei.c +++ b/fs/squashfs/namei.c @@ -247,6 +247,5 @@ failed: const struct inode_operations squashfs_dir_inode_ops = { .lookup = squashfs_lookup, - .getxattr = generic_getxattr, .listxattr = squashfs_listxattr }; diff --git a/fs/squashfs/symlink.c b/fs/squashfs/symlink.c index d688ef42a6a1..79b9c31a0c8f 100644 --- a/fs/squashfs/symlink.c +++ b/fs/squashfs/symlink.c @@ -120,7 +120,6 @@ const struct address_space_operations squashfs_symlink_aops = { const struct inode_operations squashfs_symlink_inode_ops = { .readlink = generic_readlink, .get_link = page_get_link, - .getxattr = generic_getxattr, .listxattr = squashfs_listxattr }; diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h index c83f5d9ec125..afe70f815e3d 100644 --- a/fs/squashfs/xattr.h +++ b/fs/squashfs/xattr.h @@ -42,6 +42,5 @@ static inline int squashfs_xattr_lookup(struct super_block *sb, return 0; } #define squashfs_listxattr NULL -#define generic_getxattr NULL #define squashfs_xattr_handlers NULL #endif diff --git a/fs/sysv/dir.c b/fs/sysv/dir.c index 2661b77fc8a7..5bdae85ceef7 100644 --- a/fs/sysv/dir.c +++ b/fs/sysv/dir.c @@ -215,7 +215,7 @@ got_it: memset (de->name + namelen, 0, SYSV_DIRSIZE - namelen - 2); de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); out_page: dir_put_page(page); @@ -239,7 +239,7 @@ int sysv_delete_entry(struct sysv_dir_entry *de, struct page *page) de->inode = 0; err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); dir_put_page(page); - inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_ctime = inode->i_mtime = current_time(inode); mark_inode_dirty(inode); return err; } @@ -337,7 +337,7 @@ void sysv_set_link(struct sysv_dir_entry *de, struct page *page, de->inode = cpu_to_fs16(SYSV_SB(inode->i_sb), inode->i_ino); err = dir_commit_chunk(page, pos, SYSV_DIRSIZE); dir_put_page(page); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); } diff --git a/fs/sysv/file.c b/fs/sysv/file.c index 82ddc09061e2..7ba997e31aeb 100644 --- a/fs/sysv/file.c +++ b/fs/sysv/file.c @@ -33,7 +33,7 @@ static int sysv_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/sysv/ialloc.c b/fs/sysv/ialloc.c index f9db4eb31db4..53f1b78996dd 100644 --- a/fs/sysv/ialloc.c +++ b/fs/sysv/ialloc.c @@ -164,7 +164,7 @@ struct inode * sysv_new_inode(const struct inode * dir, umode_t mode) dirty_sb(sb); inode_init_owner(inode, dir, mode); inode->i_ino = fs16_to_cpu(sbi, ino); - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); inode->i_blocks = 0; memset(SYSV_I(inode)->i_data, 0, sizeof(SYSV_I(inode)->i_data)); SYSV_I(inode)->i_dir_start_lookup = 0; diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index 2fde40acf024..08d3e630b49c 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -178,7 +178,7 @@ static inline int splice_branch(struct inode *inode, *where->p = where->key; write_unlock(&pointers_lock); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); /* had we spliced it onto indirect block? */ if (where->bh) @@ -418,7 +418,7 @@ do_indirects: } n++; } - inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_ctime = current_time(inode); if (IS_SYNC(inode)) sysv_sync_inode (inode); else diff --git a/fs/sysv/namei.c b/fs/sysv/namei.c index a42de45ce40d..d8817f139763 100644 --- a/fs/sysv/namei.c +++ b/fs/sysv/namei.c @@ -120,7 +120,7 @@ static int sysv_link(struct dentry * old_dentry, struct inode * dir, { struct inode *inode = d_inode(old_dentry); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); inode_inc_link_count(inode); ihold(inode); @@ -206,7 +206,8 @@ static int sysv_rmdir(struct inode * dir, struct dentry * dentry) * higher-level routines. */ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, - struct inode * new_dir, struct dentry * new_dentry) + struct inode * new_dir, struct dentry * new_dentry, + unsigned int flags) { struct inode * old_inode = d_inode(old_dentry); struct inode * new_inode = d_inode(new_dentry); @@ -216,6 +217,9 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, struct sysv_dir_entry * old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = sysv_find_entry(old_dentry, &old_page); if (!old_de) goto out; @@ -240,7 +244,7 @@ static int sysv_rename(struct inode * old_dir, struct dentry * old_dentry, if (!new_de) goto out_dir; sysv_set_link(new_de, new_page, old_inode); - new_inode->i_ctime = CURRENT_TIME_SEC; + new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index ad40b64c5e2f..21d36d284735 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -133,7 +133,7 @@ static struct inode *tracefs_get_inode(struct super_block *sb) struct inode *inode = new_inode(sb); if (inode) { inode->i_ino = get_next_ino(); - inode->i_atime = inode->i_mtime = inode->i_ctime = CURRENT_TIME; + inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode); } return inode; } diff --git a/fs/ubifs/dir.c b/fs/ubifs/dir.c index 4b86d3a738e1..c8f60df2733e 100644 --- a/fs/ubifs/dir.c +++ b/fs/ubifs/dir.c @@ -301,6 +301,95 @@ out_budg: return err; } +static int do_tmpfile(struct inode *dir, struct dentry *dentry, + umode_t mode, struct inode **whiteout) +{ + struct inode *inode; + struct ubifs_info *c = dir->i_sb->s_fs_info; + struct ubifs_budget_req req = { .new_ino = 1, .new_dent = 1}; + struct ubifs_budget_req ino_req = { .dirtied_ino = 1 }; + struct ubifs_inode *ui, *dir_ui = ubifs_inode(dir); + int err, instantiated = 0; + + /* + * Budget request settings: new dirty inode, new direntry, + * budget for dirtied inode will be released via writeback. + */ + + dbg_gen("dent '%pd', mode %#hx in dir ino %lu", + dentry, mode, dir->i_ino); + + err = ubifs_budget_space(c, &req); + if (err) + return err; + + err = ubifs_budget_space(c, &ino_req); + if (err) { + ubifs_release_budget(c, &req); + return err; + } + + inode = ubifs_new_inode(c, dir, mode); + if (IS_ERR(inode)) { + err = PTR_ERR(inode); + goto out_budg; + } + ui = ubifs_inode(inode); + + if (whiteout) { + init_special_inode(inode, inode->i_mode, WHITEOUT_DEV); + ubifs_assert(inode->i_op == &ubifs_file_inode_operations); + } + + err = ubifs_init_security(dir, inode, &dentry->d_name); + if (err) + goto out_inode; + + mutex_lock(&ui->ui_mutex); + insert_inode_hash(inode); + + if (whiteout) { + mark_inode_dirty(inode); + drop_nlink(inode); + *whiteout = inode; + } else { + d_tmpfile(dentry, inode); + } + ubifs_assert(ui->dirty); + + instantiated = 1; + mutex_unlock(&ui->ui_mutex); + + mutex_lock(&dir_ui->ui_mutex); + err = ubifs_jnl_update(c, dir, &dentry->d_name, inode, 1, 0); + if (err) + goto out_cancel; + mutex_unlock(&dir_ui->ui_mutex); + + ubifs_release_budget(c, &req); + + return 0; + +out_cancel: + mutex_unlock(&dir_ui->ui_mutex); +out_inode: + make_bad_inode(inode); + if (!instantiated) + iput(inode); +out_budg: + ubifs_release_budget(c, &req); + if (!instantiated) + ubifs_release_budget(c, &ino_req); + ubifs_err(c, "cannot create temporary file, error %d", err); + return err; +} + +static int ubifs_tmpfile(struct inode *dir, struct dentry *dentry, + umode_t mode) +{ + return do_tmpfile(dir, dentry, mode, NULL); +} + /** * vfs_dent_type - get VFS directory entry type. * @type: UBIFS directory entry type @@ -927,37 +1016,43 @@ out_budg: } /** - * lock_3_inodes - a wrapper for locking three UBIFS inodes. + * lock_4_inodes - a wrapper for locking three UBIFS inodes. * @inode1: first inode * @inode2: second inode * @inode3: third inode + * @inode4: fouth inode * * This function is used for 'ubifs_rename()' and @inode1 may be the same as - * @inode2 whereas @inode3 may be %NULL. + * @inode2 whereas @inode3 and @inode4 may be %NULL. * * We do not implement any tricks to guarantee strict lock ordering, because * VFS has already done it for us on the @i_mutex. So this is just a simple * wrapper function. */ -static void lock_3_inodes(struct inode *inode1, struct inode *inode2, - struct inode *inode3) +static void lock_4_inodes(struct inode *inode1, struct inode *inode2, + struct inode *inode3, struct inode *inode4) { mutex_lock_nested(&ubifs_inode(inode1)->ui_mutex, WB_MUTEX_1); if (inode2 != inode1) mutex_lock_nested(&ubifs_inode(inode2)->ui_mutex, WB_MUTEX_2); if (inode3) mutex_lock_nested(&ubifs_inode(inode3)->ui_mutex, WB_MUTEX_3); + if (inode4) + mutex_lock_nested(&ubifs_inode(inode4)->ui_mutex, WB_MUTEX_4); } /** - * unlock_3_inodes - a wrapper for unlocking three UBIFS inodes for rename. + * unlock_4_inodes - a wrapper for unlocking three UBIFS inodes for rename. * @inode1: first inode * @inode2: second inode * @inode3: third inode + * @inode4: fouth inode */ -static void unlock_3_inodes(struct inode *inode1, struct inode *inode2, - struct inode *inode3) +static void unlock_4_inodes(struct inode *inode1, struct inode *inode2, + struct inode *inode3, struct inode *inode4) { + if (inode4) + mutex_unlock(&ubifs_inode(inode4)->ui_mutex); if (inode3) mutex_unlock(&ubifs_inode(inode3)->ui_mutex); if (inode1 != inode2) @@ -966,12 +1061,15 @@ static void unlock_3_inodes(struct inode *inode1, struct inode *inode2, } static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct ubifs_info *c = old_dir->i_sb->s_fs_info; struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); + struct inode *whiteout = NULL; struct ubifs_inode *old_inode_ui = ubifs_inode(old_inode); + struct ubifs_inode *whiteout_ui = NULL; int err, release, sync = 0, move = (new_dir != old_dir); int is_dir = S_ISDIR(old_inode->i_mode); int unlink = !!new_inode; @@ -984,6 +1082,9 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, struct timespec time; unsigned int uninitialized_var(saved_nlink); + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + /* * Budget request settings: deletion direntry, new direntry, removing * the old inode, and changing old and new parent directory inodes. @@ -993,15 +1094,13 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, * separately. */ - dbg_gen("dent '%pd' ino %lu in dir ino %lu to dent '%pd' in dir ino %lu", + dbg_gen("dent '%pd' ino %lu in dir ino %lu to dent '%pd' in dir ino %lu flags 0x%x", old_dentry, old_inode->i_ino, old_dir->i_ino, - new_dentry, new_dir->i_ino); - ubifs_assert(inode_is_locked(old_dir)); - ubifs_assert(inode_is_locked(new_dir)); + new_dentry, new_dir->i_ino, flags); + if (unlink) ubifs_assert(inode_is_locked(new_inode)); - if (unlink && is_dir) { err = check_dir_empty(c, new_inode); if (err) @@ -1017,7 +1116,32 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, return err; } - lock_3_inodes(old_dir, new_dir, new_inode); + if (flags & RENAME_WHITEOUT) { + union ubifs_dev_desc *dev = NULL; + + dev = kmalloc(sizeof(union ubifs_dev_desc), GFP_NOFS); + if (!dev) { + ubifs_release_budget(c, &req); + ubifs_release_budget(c, &ino_req); + return -ENOMEM; + } + + err = do_tmpfile(old_dir, old_dentry, S_IFCHR | WHITEOUT_MODE, &whiteout); + if (err) { + ubifs_release_budget(c, &req); + ubifs_release_budget(c, &ino_req); + kfree(dev); + return err; + } + + whiteout->i_state |= I_LINKABLE; + whiteout_ui = ubifs_inode(whiteout); + whiteout_ui->data = dev; + whiteout_ui->data_len = ubifs_encode_dev(dev, MKDEV(0, 0)); + ubifs_assert(!whiteout_ui->dirty); + } + + lock_4_inodes(old_dir, new_dir, new_inode, whiteout); /* * Like most other Unix systems, set the @i_ctime for inodes on a @@ -1087,12 +1211,34 @@ static int ubifs_rename(struct inode *old_dir, struct dentry *old_dentry, if (unlink && IS_SYNC(new_inode)) sync = 1; } - err = ubifs_jnl_rename(c, old_dir, old_dentry, new_dir, new_dentry, + + if (whiteout) { + struct ubifs_budget_req wht_req = { .dirtied_ino = 1, + .dirtied_ino_d = \ + ALIGN(ubifs_inode(whiteout)->data_len, 8) }; + + err = ubifs_budget_space(c, &wht_req); + if (err) { + ubifs_release_budget(c, &req); + ubifs_release_budget(c, &ino_req); + kfree(whiteout_ui->data); + whiteout_ui->data_len = 0; + iput(whiteout); + return err; + } + + inc_nlink(whiteout); + mark_inode_dirty(whiteout); + whiteout->i_state &= ~I_LINKABLE; + iput(whiteout); + } + + err = ubifs_jnl_rename(c, old_dir, old_dentry, new_dir, new_dentry, whiteout, sync); if (err) goto out_cancel; - unlock_3_inodes(old_dir, new_dir, new_inode); + unlock_4_inodes(old_dir, new_dir, new_inode, whiteout); ubifs_release_budget(c, &req); mutex_lock(&old_inode_ui->ui_mutex); @@ -1125,12 +1271,74 @@ out_cancel: inc_nlink(old_dir); } } - unlock_3_inodes(old_dir, new_dir, new_inode); + if (whiteout) { + drop_nlink(whiteout); + iput(whiteout); + } + unlock_4_inodes(old_dir, new_dir, new_inode, whiteout); ubifs_release_budget(c, &ino_req); ubifs_release_budget(c, &req); return err; } +static int ubifs_xrename(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry) +{ + struct ubifs_info *c = old_dir->i_sb->s_fs_info; + struct ubifs_budget_req req = { .new_dent = 1, .mod_dent = 1, + .dirtied_ino = 2 }; + int sync = IS_DIRSYNC(old_dir) || IS_DIRSYNC(new_dir); + struct inode *fst_inode = d_inode(old_dentry); + struct inode *snd_inode = d_inode(new_dentry); + struct timespec time; + int err; + + ubifs_assert(fst_inode && snd_inode); + + lock_4_inodes(old_dir, new_dir, NULL, NULL); + + time = ubifs_current_time(old_dir); + fst_inode->i_ctime = time; + snd_inode->i_ctime = time; + old_dir->i_mtime = old_dir->i_ctime = time; + new_dir->i_mtime = new_dir->i_ctime = time; + + if (old_dir != new_dir) { + if (S_ISDIR(fst_inode->i_mode) && !S_ISDIR(snd_inode->i_mode)) { + inc_nlink(new_dir); + drop_nlink(old_dir); + } + else if (!S_ISDIR(fst_inode->i_mode) && S_ISDIR(snd_inode->i_mode)) { + drop_nlink(new_dir); + inc_nlink(old_dir); + } + } + + err = ubifs_jnl_xrename(c, old_dir, old_dentry, new_dir, new_dentry, + sync); + + unlock_4_inodes(old_dir, new_dir, NULL, NULL); + ubifs_release_budget(c, &req); + + return err; +} + +static int ubifs_rename2(struct inode *old_dir, struct dentry *old_dentry, + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) +{ + if (flags & ~(RENAME_NOREPLACE | RENAME_WHITEOUT | RENAME_EXCHANGE)) + return -EINVAL; + + ubifs_assert(inode_is_locked(old_dir)); + ubifs_assert(inode_is_locked(new_dir)); + + if (flags & RENAME_EXCHANGE) + return ubifs_xrename(old_dir, old_dentry, new_dir, new_dentry); + + return ubifs_rename(old_dir, old_dentry, new_dir, new_dentry, flags); +} + int ubifs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat) { @@ -1179,16 +1387,14 @@ const struct inode_operations ubifs_dir_inode_operations = { .mkdir = ubifs_mkdir, .rmdir = ubifs_rmdir, .mknod = ubifs_mknod, - .rename = ubifs_rename, + .rename = ubifs_rename2, .setattr = ubifs_setattr, .getattr = ubifs_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ubifs_listxattr, - .removexattr = generic_removexattr, #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif + .tmpfile = ubifs_tmpfile, }; const struct file_operations ubifs_dir_operations = { diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c index 7bbf420d1289..b4fbeefba246 100644 --- a/fs/ubifs/file.c +++ b/fs/ubifs/file.c @@ -1262,7 +1262,7 @@ int ubifs_setattr(struct dentry *dentry, struct iattr *attr) dbg_gen("ino %lu, mode %#x, ia_valid %#x", inode->i_ino, inode->i_mode, attr->ia_valid); - err = inode_change_ok(inode, attr); + err = setattr_prepare(dentry, attr); if (err) return err; @@ -1397,7 +1397,7 @@ int ubifs_update_time(struct inode *inode, struct timespec *time, #endif /** - * update_ctime - update mtime and ctime of an inode. + * update_mctime - update mtime and ctime of an inode. * @inode: inode to update * * This function updates mtime and ctime of the inode if it is not equivalent to @@ -1621,10 +1621,7 @@ const struct address_space_operations ubifs_file_address_operations = { const struct inode_operations ubifs_file_inode_operations = { .setattr = ubifs_setattr, .getattr = ubifs_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ubifs_listxattr, - .removexattr = generic_removexattr, #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif @@ -1635,10 +1632,7 @@ const struct inode_operations ubifs_symlink_inode_operations = { .get_link = simple_get_link, .setattr = ubifs_setattr, .getattr = ubifs_getattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, .listxattr = ubifs_listxattr, - .removexattr = generic_removexattr, #ifdef CONFIG_UBIFS_ATIME_SUPPORT .update_time = ubifs_update_time, #endif diff --git a/fs/ubifs/gc.c b/fs/ubifs/gc.c index 821b34816976..e845c64b6ce1 100644 --- a/fs/ubifs/gc.c +++ b/fs/ubifs/gc.c @@ -113,7 +113,7 @@ static int switch_gc_head(struct ubifs_info *c) * data_nodes_cmp - compare 2 data nodes. * @priv: UBIFS file-system description object * @a: first data node - * @a: second data node + * @b: second data node * * This function compares data nodes @a and @b. Returns %1 if @a has greater * inode or block number, and %-1 otherwise. diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c index 0b9da5b6e0f9..91bc76dc559e 100644 --- a/fs/ubifs/journal.c +++ b/fs/ubifs/journal.c @@ -908,6 +908,147 @@ int ubifs_jnl_delete_inode(struct ubifs_info *c, const struct inode *inode) } /** + * ubifs_jnl_xrename - cross rename two directory entries. + * @c: UBIFS file-system description object + * @fst_dir: parent inode of 1st directory entry to exchange + * @fst_dentry: 1st directory entry to exchange + * @snd_dir: parent inode of 2nd directory entry to exchange + * @snd_dentry: 2nd directory entry to exchange + * @sync: non-zero if the write-buffer has to be synchronized + * + * This function implements the cross rename operation which may involve + * writing 2 inodes and 2 directory entries. It marks the written inodes as clean + * and returns zero on success. In case of failure, a negative error code is + * returned. + */ +int ubifs_jnl_xrename(struct ubifs_info *c, const struct inode *fst_dir, + const struct dentry *fst_dentry, + const struct inode *snd_dir, + const struct dentry *snd_dentry, int sync) +{ + union ubifs_key key; + struct ubifs_dent_node *dent1, *dent2; + int err, dlen1, dlen2, lnum, offs, len, plen = UBIFS_INO_NODE_SZ; + int aligned_dlen1, aligned_dlen2; + int twoparents = (fst_dir != snd_dir); + const struct inode *fst_inode = d_inode(fst_dentry); + const struct inode *snd_inode = d_inode(snd_dentry); + void *p; + + dbg_jnl("dent '%pd' in dir ino %lu between dent '%pd' in dir ino %lu", + fst_dentry, fst_dir->i_ino, snd_dentry, snd_dir->i_ino); + + ubifs_assert(ubifs_inode(fst_dir)->data_len == 0); + ubifs_assert(ubifs_inode(snd_dir)->data_len == 0); + ubifs_assert(mutex_is_locked(&ubifs_inode(fst_dir)->ui_mutex)); + ubifs_assert(mutex_is_locked(&ubifs_inode(snd_dir)->ui_mutex)); + + dlen1 = UBIFS_DENT_NODE_SZ + snd_dentry->d_name.len + 1; + dlen2 = UBIFS_DENT_NODE_SZ + fst_dentry->d_name.len + 1; + aligned_dlen1 = ALIGN(dlen1, 8); + aligned_dlen2 = ALIGN(dlen2, 8); + + len = aligned_dlen1 + aligned_dlen2 + ALIGN(plen, 8); + if (twoparents) + len += plen; + + dent1 = kmalloc(len, GFP_NOFS); + if (!dent1) + return -ENOMEM; + + /* Make reservation before allocating sequence numbers */ + err = make_reservation(c, BASEHD, len); + if (err) + goto out_free; + + /* Make new dent for 1st entry */ + dent1->ch.node_type = UBIFS_DENT_NODE; + dent_key_init_flash(c, &dent1->key, snd_dir->i_ino, &snd_dentry->d_name); + dent1->inum = cpu_to_le64(fst_inode->i_ino); + dent1->type = get_dent_type(fst_inode->i_mode); + dent1->nlen = cpu_to_le16(snd_dentry->d_name.len); + memcpy(dent1->name, snd_dentry->d_name.name, snd_dentry->d_name.len); + dent1->name[snd_dentry->d_name.len] = '\0'; + zero_dent_node_unused(dent1); + ubifs_prep_grp_node(c, dent1, dlen1, 0); + + /* Make new dent for 2nd entry */ + dent2 = (void *)dent1 + aligned_dlen1; + dent2->ch.node_type = UBIFS_DENT_NODE; + dent_key_init_flash(c, &dent2->key, fst_dir->i_ino, &fst_dentry->d_name); + dent2->inum = cpu_to_le64(snd_inode->i_ino); + dent2->type = get_dent_type(snd_inode->i_mode); + dent2->nlen = cpu_to_le16(fst_dentry->d_name.len); + memcpy(dent2->name, fst_dentry->d_name.name, fst_dentry->d_name.len); + dent2->name[fst_dentry->d_name.len] = '\0'; + zero_dent_node_unused(dent2); + ubifs_prep_grp_node(c, dent2, dlen2, 0); + + p = (void *)dent2 + aligned_dlen2; + if (!twoparents) + pack_inode(c, p, fst_dir, 1); + else { + pack_inode(c, p, fst_dir, 0); + p += ALIGN(plen, 8); + pack_inode(c, p, snd_dir, 1); + } + + err = write_head(c, BASEHD, dent1, len, &lnum, &offs, sync); + if (err) + goto out_release; + if (!sync) { + struct ubifs_wbuf *wbuf = &c->jheads[BASEHD].wbuf; + + ubifs_wbuf_add_ino_nolock(wbuf, fst_dir->i_ino); + ubifs_wbuf_add_ino_nolock(wbuf, snd_dir->i_ino); + } + release_head(c, BASEHD); + + dent_key_init(c, &key, snd_dir->i_ino, &snd_dentry->d_name); + err = ubifs_tnc_add_nm(c, &key, lnum, offs, dlen1, &snd_dentry->d_name); + if (err) + goto out_ro; + + offs += aligned_dlen1; + dent_key_init(c, &key, fst_dir->i_ino, &fst_dentry->d_name); + err = ubifs_tnc_add_nm(c, &key, lnum, offs, dlen2, &fst_dentry->d_name); + if (err) + goto out_ro; + + offs += aligned_dlen2; + + ino_key_init(c, &key, fst_dir->i_ino); + err = ubifs_tnc_add(c, &key, lnum, offs, plen); + if (err) + goto out_ro; + + if (twoparents) { + offs += ALIGN(plen, 8); + ino_key_init(c, &key, snd_dir->i_ino); + err = ubifs_tnc_add(c, &key, lnum, offs, plen); + if (err) + goto out_ro; + } + + finish_reservation(c); + + mark_inode_clean(c, ubifs_inode(fst_dir)); + if (twoparents) + mark_inode_clean(c, ubifs_inode(snd_dir)); + kfree(dent1); + return 0; + +out_release: + release_head(c, BASEHD); +out_ro: + ubifs_ro_mode(c, err); + finish_reservation(c); +out_free: + kfree(dent1); + return err; +} + +/** * ubifs_jnl_rename - rename a directory entry. * @c: UBIFS file-system description object * @old_dir: parent inode of directory entry to rename @@ -917,14 +1058,15 @@ int ubifs_jnl_delete_inode(struct ubifs_info *c, const struct inode *inode) * @sync: non-zero if the write-buffer has to be synchronized * * This function implements the re-name operation which may involve writing up - * to 3 inodes and 2 directory entries. It marks the written inodes as clean + * to 4 inodes and 2 directory entries. It marks the written inodes as clean * and returns zero on success. In case of failure, a negative error code is * returned. */ int ubifs_jnl_rename(struct ubifs_info *c, const struct inode *old_dir, const struct dentry *old_dentry, const struct inode *new_dir, - const struct dentry *new_dentry, int sync) + const struct dentry *new_dentry, + const struct inode *whiteout, int sync) { void *p; union ubifs_key key; @@ -958,7 +1100,7 @@ int ubifs_jnl_rename(struct ubifs_info *c, const struct inode *old_dir, aligned_dlen1 = ALIGN(dlen1, 8); aligned_dlen2 = ALIGN(dlen2, 8); len = aligned_dlen1 + aligned_dlen2 + ALIGN(ilen, 8) + ALIGN(plen, 8); - if (old_dir != new_dir) + if (move) len += plen; dent = kmalloc(len, GFP_NOFS); if (!dent) @@ -980,13 +1122,19 @@ int ubifs_jnl_rename(struct ubifs_info *c, const struct inode *old_dir, zero_dent_node_unused(dent); ubifs_prep_grp_node(c, dent, dlen1, 0); - /* Make deletion dent */ dent2 = (void *)dent + aligned_dlen1; dent2->ch.node_type = UBIFS_DENT_NODE; dent_key_init_flash(c, &dent2->key, old_dir->i_ino, &old_dentry->d_name); - dent2->inum = 0; - dent2->type = DT_UNKNOWN; + + if (whiteout) { + dent2->inum = cpu_to_le64(whiteout->i_ino); + dent2->type = get_dent_type(whiteout->i_mode); + } else { + /* Make deletion dent */ + dent2->inum = 0; + dent2->type = DT_UNKNOWN; + } dent2->nlen = cpu_to_le16(old_dentry->d_name.len); memcpy(dent2->name, old_dentry->d_name.name, old_dentry->d_name.len); dent2->name[old_dentry->d_name.len] = '\0'; @@ -1035,16 +1183,26 @@ int ubifs_jnl_rename(struct ubifs_info *c, const struct inode *old_dir, if (err) goto out_ro; - err = ubifs_add_dirt(c, lnum, dlen2); - if (err) - goto out_ro; + offs += aligned_dlen1; + if (whiteout) { + dent_key_init(c, &key, old_dir->i_ino, &old_dentry->d_name); + err = ubifs_tnc_add_nm(c, &key, lnum, offs, dlen2, &old_dentry->d_name); + if (err) + goto out_ro; - dent_key_init(c, &key, old_dir->i_ino, &old_dentry->d_name); - err = ubifs_tnc_remove_nm(c, &key, &old_dentry->d_name); - if (err) - goto out_ro; + ubifs_delete_orphan(c, whiteout->i_ino); + } else { + err = ubifs_add_dirt(c, lnum, dlen2); + if (err) + goto out_ro; + + dent_key_init(c, &key, old_dir->i_ino, &old_dentry->d_name); + err = ubifs_tnc_remove_nm(c, &key, &old_dentry->d_name); + if (err) + goto out_ro; + } - offs += aligned_dlen1 + aligned_dlen2; + offs += aligned_dlen2; if (new_inode) { ino_key_init(c, &key, new_inode->i_ino); err = ubifs_tnc_add(c, &key, lnum, offs, ilen); @@ -1058,7 +1216,7 @@ int ubifs_jnl_rename(struct ubifs_info *c, const struct inode *old_dir, if (err) goto out_ro; - if (old_dir != new_dir) { + if (move) { offs += ALIGN(plen, 8); ino_key_init(c, &key, new_dir->i_ino); err = ubifs_tnc_add(c, &key, lnum, offs, plen); diff --git a/fs/ubifs/lprops.c b/fs/ubifs/lprops.c index a0011aa3a779..6c3a1abd0e22 100644 --- a/fs/ubifs/lprops.c +++ b/fs/ubifs/lprops.c @@ -636,7 +636,7 @@ const struct ubifs_lprops *ubifs_change_lp(struct ubifs_info *c, /** * ubifs_get_lp_stats - get lprops statistics. * @c: UBIFS file-system description object - * @st: return statistics + * @lst: return statistics */ void ubifs_get_lp_stats(struct ubifs_info *c, struct ubifs_lp_stats *lst) { diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c index ce89bdc3eb02..235654c2fe89 100644 --- a/fs/ubifs/lpt_commit.c +++ b/fs/ubifs/lpt_commit.c @@ -34,7 +34,6 @@ static int dbg_populate_lsave(struct ubifs_info *c); /** * first_dirty_cnode - find first dirty cnode. - * @c: UBIFS file-system description object * @nnode: nnode at which to start * * This function returns the first dirty cnode or %NULL if there is not one. @@ -1623,7 +1622,6 @@ static int dbg_is_node_dirty(struct ubifs_info *c, int node_type, int lnum, * dbg_check_ltab_lnum - check the ltab for a LPT LEB number. * @c: the UBIFS file-system description object * @lnum: LEB number where node was written - * @offs: offset where node was written * * This function returns %0 on success and a negative error code on failure. */ @@ -1870,7 +1868,7 @@ int dbg_chk_lpt_sz(struct ubifs_info *c, int action, int len) } /** - * ubifs_dump_lpt_leb - dump an LPT LEB. + * dump_lpt_leb - dump an LPT LEB. * @c: UBIFS file-system description object * @lnum: LEB number to dump * diff --git a/fs/ubifs/replay.c b/fs/ubifs/replay.c index 3ca4540130b5..fb0f44cd1e28 100644 --- a/fs/ubifs/replay.c +++ b/fs/ubifs/replay.c @@ -267,7 +267,7 @@ static int apply_replay_entry(struct ubifs_info *c, struct replay_entry *r) * replay_entries_cmp - compare 2 replay entries. * @priv: UBIFS file-system description object * @a: first replay entry - * @a: second replay entry + * @b: second replay entry * * This is a comparios function for 'list_sort()' which compares 2 replay * entries @a and @b by comparing their sequence numer. Returns %1 if @a has diff --git a/fs/ubifs/ubifs.h b/fs/ubifs/ubifs.h index 4617d459022a..096035eb29d0 100644 --- a/fs/ubifs/ubifs.h +++ b/fs/ubifs/ubifs.h @@ -157,6 +157,7 @@ enum { WB_MUTEX_1 = 0, WB_MUTEX_2 = 1, WB_MUTEX_3 = 2, + WB_MUTEX_4 = 3, }; /* @@ -1520,10 +1521,15 @@ int ubifs_jnl_write_data(struct ubifs_info *c, const struct inode *inode, const union ubifs_key *key, const void *buf, int len); int ubifs_jnl_write_inode(struct ubifs_info *c, const struct inode *inode); int ubifs_jnl_delete_inode(struct ubifs_info *c, const struct inode *inode); +int ubifs_jnl_xrename(struct ubifs_info *c, const struct inode *fst_dir, + const struct dentry *fst_dentry, + const struct inode *snd_dir, + const struct dentry *snd_dentry, int sync); int ubifs_jnl_rename(struct ubifs_info *c, const struct inode *old_dir, const struct dentry *old_dentry, const struct inode *new_dir, - const struct dentry *new_dentry, int sync); + const struct dentry *new_dentry, + const struct inode *whiteout, int sync); int ubifs_jnl_truncate(struct ubifs_info *c, const struct inode *inode, loff_t old_size, loff_t new_size); int ubifs_jnl_delete_xattr(struct ubifs_info *c, const struct inode *host, diff --git a/fs/ubifs/xattr.c b/fs/ubifs/xattr.c index 11a004114eba..6c2f4d41ed73 100644 --- a/fs/ubifs/xattr.c +++ b/fs/ubifs/xattr.c @@ -200,6 +200,7 @@ static int change_xattr(struct ubifs_info *c, struct inode *host, struct ubifs_inode *host_ui = ubifs_inode(host); struct ubifs_inode *ui = ubifs_inode(inode); void *buf = NULL; + int old_size; struct ubifs_budget_req req = { .dirtied_ino = 2, .dirtied_ino_d = ALIGN(size, 8) + ALIGN(host_ui->data_len, 8) }; @@ -217,12 +218,13 @@ static int change_xattr(struct ubifs_info *c, struct inode *host, kfree(ui->data); ui->data = buf; inode->i_size = ui->ui_size = size; + old_size = ui->data_len; ui->data_len = size; mutex_unlock(&ui->ui_mutex); mutex_lock(&host_ui->ui_mutex); host->i_ctime = ubifs_current_time(host); - host_ui->xattr_size -= CALC_XATTR_BYTES(ui->data_len); + host_ui->xattr_size -= CALC_XATTR_BYTES(old_size); host_ui->xattr_size += CALC_XATTR_BYTES(size); /* @@ -241,7 +243,7 @@ static int change_xattr(struct ubifs_info *c, struct inode *host, out_cancel: host_ui->xattr_size -= CALC_XATTR_BYTES(size); - host_ui->xattr_size += CALC_XATTR_BYTES(ui->data_len); + host_ui->xattr_size += CALC_XATTR_BYTES(old_size); mutex_unlock(&host_ui->ui_mutex); make_bad_inode(inode); out_free: diff --git a/fs/udf/file.c b/fs/udf/file.c index e855bf8d74b4..dbcb3a4a0cb9 100644 --- a/fs/udf/file.c +++ b/fs/udf/file.c @@ -261,7 +261,7 @@ static int udf_setattr(struct dentry *dentry, struct iattr *attr) struct inode *inode = d_inode(dentry); int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c index e77db621ec89..c1ed18a10ce4 100644 --- a/fs/udf/ialloc.c +++ b/fs/udf/ialloc.c @@ -121,7 +121,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode) else iinfo->i_alloc_type = ICBTAG_FLAG_AD_LONG; inode->i_mtime = inode->i_atime = inode->i_ctime = - iinfo->i_crtime = current_fs_time(inode->i_sb); + iinfo->i_crtime = current_time(inode); if (unlikely(insert_inode_locked(inode) < 0)) { make_bad_inode(inode); iput(inode); diff --git a/fs/udf/inode.c b/fs/udf/inode.c index 55aa587bbc38..aad46401ede5 100644 --- a/fs/udf/inode.c +++ b/fs/udf/inode.c @@ -886,7 +886,7 @@ static sector_t inode_getblk(struct inode *inode, sector_t block, *new = 1; iinfo->i_next_alloc_block = block; iinfo->i_next_alloc_goal = newblocknum; - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); if (IS_SYNC(inode)) udf_sync_inode(inode); @@ -1268,7 +1268,7 @@ set_size: up_write(&iinfo->i_data_sem); } update_time: - inode->i_mtime = inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_mtime = inode->i_ctime = current_time(inode); if (IS_SYNC(inode)) udf_sync_inode(inode); else diff --git a/fs/udf/namei.c b/fs/udf/namei.c index c3e5c9679371..2d65e280748b 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -616,7 +616,7 @@ static int udf_add_nondir(struct dentry *dentry, struct inode *inode) *(__le32 *)((struct allocDescImpUse *)cfi.icb.impUse)->impUse = cpu_to_le32(iinfo->i_unique & 0x00000000FFFFFFFFUL); udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); - dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); + dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); @@ -730,7 +730,7 @@ static int udf_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) cfi.fileCharacteristics |= FID_FILE_CHAR_DIRECTORY; udf_write_fi(dir, &cfi, fi, &fibh, NULL, NULL); inc_nlink(dir); - dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); + dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); unlock_new_inode(inode); d_instantiate(dentry, inode); @@ -845,7 +845,7 @@ static int udf_rmdir(struct inode *dir, struct dentry *dentry) inode->i_size = 0; inode_dec_link_count(dir); inode->i_ctime = dir->i_ctime = dir->i_mtime = - current_fs_time(dir->i_sb); + current_time(inode); mark_inode_dirty(dir); end_rmdir: @@ -888,7 +888,7 @@ static int udf_unlink(struct inode *dir, struct dentry *dentry) retval = udf_delete_entry(dir, fi, &fibh, &cfi); if (retval) goto end_unlink; - dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); + dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); inode_dec_link_count(inode); inode->i_ctime = dir->i_ctime; @@ -1079,9 +1079,9 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, brelse(fibh.ebh); brelse(fibh.sbh); inc_nlink(inode); - inode->i_ctime = current_fs_time(inode->i_sb); + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); - dir->i_ctime = dir->i_mtime = current_fs_time(dir->i_sb); + dir->i_ctime = dir->i_mtime = current_time(dir); mark_inode_dirty(dir); ihold(inode); d_instantiate(dentry, inode); @@ -1093,7 +1093,8 @@ static int udf_link(struct dentry *old_dentry, struct inode *dir, * higher-level routines. */ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -1105,6 +1106,9 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, struct kernel_lb_addr tloc; struct udf_inode_info *old_iinfo = UDF_I(old_inode); + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + ofi = udf_find_entry(old_dir, &old_dentry->d_name, &ofibh, &ocfi); if (IS_ERR(ofi)) { retval = PTR_ERR(ofi); @@ -1172,7 +1176,7 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = current_fs_time(old_inode->i_sb); + old_inode->i_ctime = current_time(old_inode); mark_inode_dirty(old_inode); /* @@ -1188,11 +1192,11 @@ static int udf_rename(struct inode *old_dir, struct dentry *old_dentry, udf_delete_entry(old_dir, ofi, &ofibh, &ocfi); if (new_inode) { - new_inode->i_ctime = current_fs_time(new_inode->i_sb); + new_inode->i_ctime = current_time(new_inode); inode_dec_link_count(new_inode); } - old_dir->i_ctime = old_dir->i_mtime = current_fs_time(old_dir->i_sb); - new_dir->i_ctime = new_dir->i_mtime = current_fs_time(new_dir->i_sb); + old_dir->i_ctime = old_dir->i_mtime = current_time(old_dir); + new_dir->i_ctime = new_dir->i_mtime = current_time(new_dir); mark_inode_dirty(old_dir); mark_inode_dirty(new_dir); diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index fa3bda1a860f..de01b8f2aa78 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -100,7 +100,7 @@ void ufs_set_link(struct inode *dir, struct ufs_dir_entry *de, err = ufs_commit_chunk(page, pos, len); ufs_put_page(page); if (update_times) - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); } @@ -389,7 +389,7 @@ got_it: ufs_set_de_type(sb, de, inode->i_mode); err = ufs_commit_chunk(page, pos, rec_len); - dir->i_mtime = dir->i_ctime = CURRENT_TIME_SEC; + dir->i_mtime = dir->i_ctime = current_time(dir); mark_inode_dirty(dir); /* OFFSET_CACHE */ @@ -530,7 +530,7 @@ int ufs_delete_entry(struct inode *inode, struct ufs_dir_entry *dir, pde->d_reclen = cpu_to_fs16(sb, to - from); dir->d_ino = 0; err = ufs_commit_chunk(page, pos, to - from); - inode->i_ctime = inode->i_mtime = CURRENT_TIME_SEC; + inode->i_ctime = inode->i_mtime = current_time(inode); mark_inode_dirty(inode); out: ufs_put_page(page); diff --git a/fs/ufs/ialloc.c b/fs/ufs/ialloc.c index fd0203ce1f7f..9774555b3721 100644 --- a/fs/ufs/ialloc.c +++ b/fs/ufs/ialloc.c @@ -290,7 +290,7 @@ cg_found: inode_init_owner(inode, dir, mode); inode->i_blocks = 0; inode->i_generation = 0; - inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode); ufsi->i_flags = UFS_I(dir)->i_flags; ufsi->i_lastfrag = 0; ufsi->i_shadow = 0; diff --git a/fs/ufs/inode.c b/fs/ufs/inode.c index 9f49431e798d..190d64be22ed 100644 --- a/fs/ufs/inode.c +++ b/fs/ufs/inode.c @@ -293,7 +293,7 @@ ufs_inode_getfrag(struct inode *inode, unsigned index, if (new) *new = 1; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); if (IS_SYNC(inode)) ufs_sync_inode (inode); mark_inode_dirty(inode); @@ -375,7 +375,7 @@ ufs_inode_getblock(struct inode *inode, u64 ind_block, mark_buffer_dirty(bh); if (IS_SYNC(inode)) sync_dirty_buffer(bh); - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); mark_inode_dirty(inode); out: brelse (bh); @@ -1185,7 +1185,7 @@ static int ufs_truncate(struct inode *inode, loff_t size) truncate_setsize(inode, size); __ufs_truncate_blocks(inode); - inode->i_mtime = inode->i_ctime = CURRENT_TIME_SEC; + inode->i_mtime = inode->i_ctime = current_time(inode); mark_inode_dirty(inode); out: UFSD("EXIT: err %d\n", err); @@ -1208,7 +1208,7 @@ int ufs_setattr(struct dentry *dentry, struct iattr *attr) unsigned int ia_valid = attr->ia_valid; int error; - error = inode_change_ok(inode, attr); + error = setattr_prepare(dentry, attr); if (error) return error; diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c index a1559f762805..8eca4eda8450 100644 --- a/fs/ufs/namei.c +++ b/fs/ufs/namei.c @@ -153,7 +153,7 @@ static int ufs_link (struct dentry * old_dentry, struct inode * dir, struct inode *inode = d_inode(old_dentry); int error; - inode->i_ctime = CURRENT_TIME_SEC; + inode->i_ctime = current_time(inode); inode_inc_link_count(inode); ihold(inode); @@ -245,7 +245,8 @@ static int ufs_rmdir (struct inode * dir, struct dentry *dentry) } static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct inode *old_inode = d_inode(old_dentry); struct inode *new_inode = d_inode(new_dentry); @@ -255,6 +256,9 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, struct ufs_dir_entry *old_de; int err = -ENOENT; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + old_de = ufs_find_entry(old_dir, &old_dentry->d_name, &old_page); if (!old_de) goto out; @@ -279,7 +283,7 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, if (!new_de) goto out_dir; ufs_set_link(new_dir, new_de, new_page, old_inode, 1); - new_inode->i_ctime = CURRENT_TIME_SEC; + new_inode->i_ctime = current_time(new_inode); if (dir_de) drop_nlink(new_inode); inode_dec_link_count(new_inode); @@ -295,7 +299,7 @@ static int ufs_rename(struct inode *old_dir, struct dentry *old_dentry, * Like most other Unix systems, set the ctime for inodes on a * rename. */ - old_inode->i_ctime = CURRENT_TIME_SEC; + old_inode->i_ctime = current_time(old_inode); ufs_delete_entry(old_dir, old_de, old_page); mark_inode_dirty(old_inode); diff --git a/fs/utimes.c b/fs/utimes.c index 794f5f5b1fb5..22307cdf7014 100644 --- a/fs/utimes.c +++ b/fs/utimes.c @@ -81,27 +81,13 @@ static int utimes_common(struct path *path, struct timespec *times) newattrs.ia_valid |= ATTR_MTIME_SET; } /* - * Tell inode_change_ok(), that this is an explicit time + * Tell setattr_prepare(), that this is an explicit time * update, even if neither ATTR_ATIME_SET nor ATTR_MTIME_SET * were used. */ newattrs.ia_valid |= ATTR_TIMES_SET; } else { - /* - * If times is NULL (or both times are UTIME_NOW), - * then we need to check permissions, because - * inode_change_ok() won't do it. - */ - error = -EPERM; - if (IS_IMMUTABLE(inode)) - goto mnt_drop_write_and_out; - - error = -EACCES; - if (!inode_owner_or_capable(inode)) { - error = inode_permission(inode, MAY_WRITE); - if (error) - goto mnt_drop_write_and_out; - } + newattrs.ia_valid |= ATTR_TOUCH; } retry_deleg: inode_lock(inode); @@ -113,7 +99,6 @@ retry_deleg: goto retry_deleg; } -mnt_drop_write_and_out: mnt_drop_write(path->mnt); out: return error; diff --git a/fs/xattr.c b/fs/xattr.c index c243905835ab..3368659c471e 100644 --- a/fs/xattr.c +++ b/fs/xattr.c @@ -24,6 +24,59 @@ #include <asm/uaccess.h> +static const char * +strcmp_prefix(const char *a, const char *a_prefix) +{ + while (*a_prefix && *a == *a_prefix) { + a++; + a_prefix++; + } + return *a_prefix ? NULL : a; +} + +/* + * In order to implement different sets of xattr operations for each xattr + * prefix, a filesystem should create a null-terminated array of struct + * xattr_handler (one for each prefix) and hang a pointer to it off of the + * s_xattr field of the superblock. + */ +#define for_each_xattr_handler(handlers, handler) \ + if (handlers) \ + for ((handler) = *(handlers)++; \ + (handler) != NULL; \ + (handler) = *(handlers)++) + +/* + * Find the xattr_handler with the matching prefix. + */ +static const struct xattr_handler * +xattr_resolve_name(struct inode *inode, const char **name) +{ + const struct xattr_handler **handlers = inode->i_sb->s_xattr; + const struct xattr_handler *handler; + + if (!(inode->i_opflags & IOP_XATTR)) { + if (unlikely(is_bad_inode(inode))) + return ERR_PTR(-EIO); + return ERR_PTR(-EOPNOTSUPP); + } + for_each_xattr_handler(handlers, handler) { + const char *n; + + n = strcmp_prefix(*name, xattr_prefix(handler)); + if (n) { + if (!handler->prefix ^ !*n) { + if (*n) + continue; + return ERR_PTR(-EINVAL); + } + *name = n; + return handler; + } + } + return ERR_PTR(-EOPNOTSUPP); +} + /* * Check permissions for extended attribute access. This is a bit complicated * because different namespaces have very different rules. @@ -80,6 +133,23 @@ xattr_permission(struct inode *inode, const char *name, int mask) return inode_permission(inode, mask); } +int +__vfs_setxattr(struct dentry *dentry, struct inode *inode, const char *name, + const void *value, size_t size, int flags) +{ + const struct xattr_handler *handler; + + handler = xattr_resolve_name(inode, &name); + if (IS_ERR(handler)) + return PTR_ERR(handler); + if (!handler->set) + return -EOPNOTSUPP; + if (size == 0) + value = ""; /* empty EA, do not remove */ + return handler->set(handler, dentry, inode, name, value, size, flags); +} +EXPORT_SYMBOL(__vfs_setxattr); + /** * __vfs_setxattr_noperm - perform setxattr operation without performing * permission checks. @@ -106,8 +176,8 @@ int __vfs_setxattr_noperm(struct dentry *dentry, const char *name, if (issec) inode->i_flags &= ~S_NOSEC; - if (inode->i_op->setxattr) { - error = inode->i_op->setxattr(dentry, inode, name, value, size, flags); + if (inode->i_opflags & IOP_XATTR) { + error = __vfs_setxattr(dentry, inode, name, value, size, flags); if (!error) { fsnotify_xattr(dentry); security_inode_post_setxattr(dentry, name, value, @@ -115,6 +185,9 @@ int __vfs_setxattr_noperm(struct dentry *dentry, const char *name, } } else if (issec) { const char *suffix = name + XATTR_SECURITY_PREFIX_LEN; + + if (unlikely(is_bad_inode(inode))) + return -EIO; error = security_inode_setsecurity(inode, suffix, value, size, flags); if (!error) @@ -188,6 +261,7 @@ ssize_t vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value, size_t xattr_size, gfp_t flags) { + const struct xattr_handler *handler; struct inode *inode = dentry->d_inode; char *value = *xattr_value; int error; @@ -196,10 +270,12 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value, if (error) return error; - if (!inode->i_op->getxattr) + handler = xattr_resolve_name(inode, &name); + if (IS_ERR(handler)) + return PTR_ERR(handler); + if (!handler->get) return -EOPNOTSUPP; - - error = inode->i_op->getxattr(dentry, inode, name, NULL, 0); + error = handler->get(handler, dentry, inode, name, NULL, 0); if (error < 0) return error; @@ -210,12 +286,27 @@ vfs_getxattr_alloc(struct dentry *dentry, const char *name, char **xattr_value, memset(value, 0, error + 1); } - error = inode->i_op->getxattr(dentry, inode, name, value, error); + error = handler->get(handler, dentry, inode, name, value, error); *xattr_value = value; return error; } ssize_t +__vfs_getxattr(struct dentry *dentry, struct inode *inode, const char *name, + void *value, size_t size) +{ + const struct xattr_handler *handler; + + handler = xattr_resolve_name(inode, &name); + if (IS_ERR(handler)) + return PTR_ERR(handler); + if (!handler->get) + return -EOPNOTSUPP; + return handler->get(handler, dentry, inode, name, value, size); +} +EXPORT_SYMBOL(__vfs_getxattr); + +ssize_t vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size) { struct inode *inode = dentry->d_inode; @@ -242,28 +333,24 @@ vfs_getxattr(struct dentry *dentry, const char *name, void *value, size_t size) return ret; } nolsm: - if (inode->i_op->getxattr) - error = inode->i_op->getxattr(dentry, inode, name, value, size); - else - error = -EOPNOTSUPP; - - return error; + return __vfs_getxattr(dentry, inode, name, value, size); } EXPORT_SYMBOL_GPL(vfs_getxattr); ssize_t -vfs_listxattr(struct dentry *d, char *list, size_t size) +vfs_listxattr(struct dentry *dentry, char *list, size_t size) { + struct inode *inode = d_inode(dentry); ssize_t error; - error = security_inode_listxattr(d); + error = security_inode_listxattr(dentry); if (error) return error; - error = -EOPNOTSUPP; - if (d->d_inode->i_op->listxattr) { - error = d->d_inode->i_op->listxattr(d, list, size); + if (inode->i_op->listxattr && (inode->i_opflags & IOP_XATTR)) { + error = -EOPNOTSUPP; + error = inode->i_op->listxattr(dentry, list, size); } else { - error = security_inode_listsecurity(d->d_inode, list, size); + error = security_inode_listsecurity(inode, list, size); if (size && error > size) error = -ERANGE; } @@ -272,14 +359,26 @@ vfs_listxattr(struct dentry *d, char *list, size_t size) EXPORT_SYMBOL_GPL(vfs_listxattr); int +__vfs_removexattr(struct dentry *dentry, const char *name) +{ + struct inode *inode = d_inode(dentry); + const struct xattr_handler *handler; + + handler = xattr_resolve_name(inode, &name); + if (IS_ERR(handler)) + return PTR_ERR(handler); + if (!handler->set) + return -EOPNOTSUPP; + return handler->set(handler, dentry, inode, name, NULL, 0, XATTR_REPLACE); +} +EXPORT_SYMBOL(__vfs_removexattr); + +int vfs_removexattr(struct dentry *dentry, const char *name) { struct inode *inode = dentry->d_inode; int error; - if (!inode->i_op->removexattr) - return -EOPNOTSUPP; - error = xattr_permission(inode, name, MAY_WRITE); if (error) return error; @@ -289,7 +388,7 @@ vfs_removexattr(struct dentry *dentry, const char *name) if (error) goto out; - error = inode->i_op->removexattr(dentry, name); + error = __vfs_removexattr(dentry, name); if (!error) { fsnotify_xattr(dentry); @@ -641,76 +740,6 @@ SYSCALL_DEFINE2(fremovexattr, int, fd, const char __user *, name) return error; } - -static const char * -strcmp_prefix(const char *a, const char *a_prefix) -{ - while (*a_prefix && *a == *a_prefix) { - a++; - a_prefix++; - } - return *a_prefix ? NULL : a; -} - -/* - * In order to implement different sets of xattr operations for each xattr - * prefix with the generic xattr API, a filesystem should create a - * null-terminated array of struct xattr_handler (one for each prefix) and - * hang a pointer to it off of the s_xattr field of the superblock. - * - * The generic_fooxattr() functions will use this list to dispatch xattr - * operations to the correct xattr_handler. - */ -#define for_each_xattr_handler(handlers, handler) \ - if (handlers) \ - for ((handler) = *(handlers)++; \ - (handler) != NULL; \ - (handler) = *(handlers)++) - -/* - * Find the xattr_handler with the matching prefix. - */ -static const struct xattr_handler * -xattr_resolve_name(const struct xattr_handler **handlers, const char **name) -{ - const struct xattr_handler *handler; - - if (!*name) - return ERR_PTR(-EINVAL); - - for_each_xattr_handler(handlers, handler) { - const char *n; - - n = strcmp_prefix(*name, xattr_prefix(handler)); - if (n) { - if (!handler->prefix ^ !*n) { - if (*n) - continue; - return ERR_PTR(-EINVAL); - } - *name = n; - return handler; - } - } - return ERR_PTR(-EOPNOTSUPP); -} - -/* - * Find the handler for the prefix and dispatch its get() operation. - */ -ssize_t -generic_getxattr(struct dentry *dentry, struct inode *inode, - const char *name, void *buffer, size_t size) -{ - const struct xattr_handler *handler; - - handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name); - if (IS_ERR(handler)) - return PTR_ERR(handler); - return handler->get(handler, dentry, inode, - name, buffer, size); -} - /* * Combine the results of the list() operation from every xattr_handler in the * list. @@ -747,44 +776,7 @@ generic_listxattr(struct dentry *dentry, char *buffer, size_t buffer_size) } return size; } - -/* - * Find the handler for the prefix and dispatch its set() operation. - */ -int -generic_setxattr(struct dentry *dentry, struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - const struct xattr_handler *handler; - - if (size == 0) - value = ""; /* empty EA, do not remove */ - handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name); - if (IS_ERR(handler)) - return PTR_ERR(handler); - return handler->set(handler, dentry, inode, name, value, size, flags); -} - -/* - * Find the handler for the prefix and dispatch its set() operation to remove - * any associated extended attribute. - */ -int -generic_removexattr(struct dentry *dentry, const char *name) -{ - const struct xattr_handler *handler; - - handler = xattr_resolve_name(dentry->d_sb->s_xattr, &name); - if (IS_ERR(handler)) - return PTR_ERR(handler); - return handler->set(handler, dentry, d_inode(dentry), name, NULL, - 0, XATTR_REPLACE); -} - -EXPORT_SYMBOL(generic_getxattr); EXPORT_SYMBOL(generic_listxattr); -EXPORT_SYMBOL(generic_setxattr); -EXPORT_SYMBOL(generic_removexattr); /** * xattr_full_name - Compute full attribute name from suffix diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c index b6e527b8eccb..b468e041f207 100644 --- a/fs/xfs/xfs_acl.c +++ b/fs/xfs/xfs_acl.c @@ -236,7 +236,7 @@ xfs_set_mode(struct inode *inode, umode_t mode) iattr.ia_valid = ATTR_MODE | ATTR_CTIME; iattr.ia_mode = mode; - iattr.ia_ctime = current_fs_time(inode->i_sb); + iattr.ia_ctime = current_time(inode); error = xfs_setattr_nonsize(XFS_I(inode), &iattr, XFS_ATTR_NOACL); } @@ -257,16 +257,11 @@ xfs_set_acl(struct inode *inode, struct posix_acl *acl, int type) return error; if (type == ACL_TYPE_ACCESS) { - umode_t mode = inode->i_mode; - error = posix_acl_equiv_mode(acl, &mode); - - if (error <= 0) { - acl = NULL; - - if (error < 0) - return error; - } + umode_t mode; + error = posix_acl_update_mode(inode, &mode, &acl); + if (error) + return error; error = xfs_set_mode(inode, mode); if (error) return error; diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 26acfbb331ae..2bc58b3fd37d 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -319,7 +319,7 @@ xfs_file_dio_aio_read( data = *to; ret = __blockdev_direct_IO(iocb, inode, target->bt_bdev, &data, xfs_get_blocks_direct, NULL, NULL, 0); - if (ret > 0) { + if (ret >= 0) { iocb->ki_pos += ret; iov_iter_advance(to, ret); } @@ -901,7 +901,7 @@ xfs_file_fallocate( iattr.ia_valid = ATTR_SIZE; iattr.ia_size = new_size; - error = xfs_setattr_size(ip, &iattr); + error = xfs_vn_setattr_size(file_dentry(file), &iattr); if (error) goto out_unlock; } diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index e08eaea6327b..624e1dfa716b 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -821,7 +821,7 @@ xfs_ialloc( ip->i_d.di_nextents = 0; ASSERT(ip->i_d.di_nblocks == 0); - tv = current_fs_time(mp->m_super); + tv = current_time(inode); inode->i_mtime = tv; inode->i_atime = tv; inode->i_ctime = tv; @@ -1710,7 +1710,7 @@ xfs_inactive_truncate( /* * Log the inode size first to prevent stale data exposure in the event * of a system crash before the truncate completes. See the related - * comment in xfs_setattr_size() for details. + * comment in xfs_vn_setattr_size() for details. */ ip->i_d.di_size = 0; xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c index 96a70fd1f5d6..0d9021f0551e 100644 --- a/fs/xfs/xfs_ioctl.c +++ b/fs/xfs/xfs_ioctl.c @@ -720,7 +720,7 @@ xfs_ioc_space( iattr.ia_valid = ATTR_SIZE; iattr.ia_size = bf->l_start; - error = xfs_setattr_size(ip, &iattr); + error = xfs_vn_setattr_size(file_dentry(filp), &iattr); break; default: ASSERT(0); diff --git a/fs/xfs/xfs_iops.c b/fs/xfs/xfs_iops.c index b24c3102fa93..c5da95eb79b8 100644 --- a/fs/xfs/xfs_iops.c +++ b/fs/xfs/xfs_iops.c @@ -542,6 +542,28 @@ xfs_setattr_time( inode->i_mtime = iattr->ia_mtime; } +static int +xfs_vn_change_ok( + struct dentry *dentry, + struct iattr *iattr) +{ + struct xfs_mount *mp = XFS_I(d_inode(dentry))->i_mount; + + if (mp->m_flags & XFS_MOUNT_RDONLY) + return -EROFS; + + if (XFS_FORCED_SHUTDOWN(mp)) + return -EIO; + + return setattr_prepare(dentry, iattr); +} + +/* + * Set non-size attributes of an inode. + * + * Caution: The caller of this function is responsible for calling + * setattr_prepare() or otherwise verifying the change is fine. + */ int xfs_setattr_nonsize( struct xfs_inode *ip, @@ -558,21 +580,6 @@ xfs_setattr_nonsize( struct xfs_dquot *udqp = NULL, *gdqp = NULL; struct xfs_dquot *olddquot1 = NULL, *olddquot2 = NULL; - trace_xfs_setattr(ip); - - /* If acls are being inherited, we already have this checked */ - if (!(flags & XFS_ATTR_NOACL)) { - if (mp->m_flags & XFS_MOUNT_RDONLY) - return -EROFS; - - if (XFS_FORCED_SHUTDOWN(mp)) - return -EIO; - - error = inode_change_ok(inode, iattr); - if (error) - return error; - } - ASSERT((mask & ATTR_SIZE) == 0); /* @@ -743,8 +750,27 @@ out_dqrele: return error; } +int +xfs_vn_setattr_nonsize( + struct dentry *dentry, + struct iattr *iattr) +{ + struct xfs_inode *ip = XFS_I(d_inode(dentry)); + int error; + + trace_xfs_setattr(ip); + + error = xfs_vn_change_ok(dentry, iattr); + if (error) + return error; + return xfs_setattr_nonsize(ip, iattr, 0); +} + /* * Truncate file. Must have write permission and not be a directory. + * + * Caution: The caller of this function is responsible for calling + * setattr_prepare() or otherwise verifying the change is fine. */ int xfs_setattr_size( @@ -759,18 +785,6 @@ xfs_setattr_size( uint lock_flags = 0; bool did_zeroing = false; - trace_xfs_setattr(ip); - - if (mp->m_flags & XFS_MOUNT_RDONLY) - return -EROFS; - - if (XFS_FORCED_SHUTDOWN(mp)) - return -EIO; - - error = inode_change_ok(inode, iattr); - if (error) - return error; - ASSERT(xfs_isilocked(ip, XFS_IOLOCK_EXCL)); ASSERT(xfs_isilocked(ip, XFS_MMAPLOCK_EXCL)); ASSERT(S_ISREG(inode->i_mode)); @@ -882,7 +896,7 @@ xfs_setattr_size( if (newsize != oldsize && !(iattr->ia_valid & (ATTR_CTIME | ATTR_MTIME))) { iattr->ia_ctime = iattr->ia_mtime = - current_fs_time(inode->i_sb); + current_time(inode); iattr->ia_valid |= ATTR_CTIME | ATTR_MTIME; } @@ -942,16 +956,32 @@ out_trans_cancel: goto out_unlock; } +int +xfs_vn_setattr_size( + struct dentry *dentry, + struct iattr *iattr) +{ + struct xfs_inode *ip = XFS_I(d_inode(dentry)); + int error; + + trace_xfs_setattr(ip); + + error = xfs_vn_change_ok(dentry, iattr); + if (error) + return error; + return xfs_setattr_size(ip, iattr); +} + STATIC int xfs_vn_setattr( struct dentry *dentry, struct iattr *iattr) { - struct xfs_inode *ip = XFS_I(d_inode(dentry)); int error; if (iattr->ia_valid & ATTR_SIZE) { - uint iolock = XFS_IOLOCK_EXCL; + struct xfs_inode *ip = XFS_I(d_inode(dentry)); + uint iolock = XFS_IOLOCK_EXCL; xfs_ilock(ip, iolock); error = xfs_break_layouts(d_inode(dentry), &iolock, true); @@ -959,11 +989,11 @@ xfs_vn_setattr( xfs_ilock(ip, XFS_MMAPLOCK_EXCL); iolock |= XFS_MMAPLOCK_EXCL; - error = xfs_setattr_size(ip, iattr); + error = xfs_vn_setattr_size(dentry, iattr); } xfs_iunlock(ip, iolock); } else { - error = xfs_setattr_nonsize(ip, iattr, 0); + error = xfs_vn_setattr_nonsize(dentry, iattr); } return error; @@ -1036,9 +1066,6 @@ static const struct inode_operations xfs_inode_operations = { .set_acl = xfs_set_acl, .getattr = xfs_vn_getattr, .setattr = xfs_vn_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = xfs_vn_listxattr, .fiemap = xfs_vn_fiemap, .update_time = xfs_vn_update_time, @@ -1059,14 +1086,11 @@ static const struct inode_operations xfs_dir_inode_operations = { */ .rmdir = xfs_vn_unlink, .mknod = xfs_vn_mknod, - .rename2 = xfs_vn_rename, + .rename = xfs_vn_rename, .get_acl = xfs_get_acl, .set_acl = xfs_set_acl, .getattr = xfs_vn_getattr, .setattr = xfs_vn_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = xfs_vn_listxattr, .update_time = xfs_vn_update_time, .tmpfile = xfs_vn_tmpfile, @@ -1087,14 +1111,11 @@ static const struct inode_operations xfs_dir_ci_inode_operations = { */ .rmdir = xfs_vn_unlink, .mknod = xfs_vn_mknod, - .rename2 = xfs_vn_rename, + .rename = xfs_vn_rename, .get_acl = xfs_get_acl, .set_acl = xfs_set_acl, .getattr = xfs_vn_getattr, .setattr = xfs_vn_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = xfs_vn_listxattr, .update_time = xfs_vn_update_time, .tmpfile = xfs_vn_tmpfile, @@ -1105,9 +1126,6 @@ static const struct inode_operations xfs_symlink_inode_operations = { .get_link = xfs_vn_get_link, .getattr = xfs_vn_getattr, .setattr = xfs_vn_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = xfs_vn_listxattr, .update_time = xfs_vn_update_time, }; @@ -1117,9 +1135,6 @@ static const struct inode_operations xfs_inline_symlink_inode_operations = { .get_link = xfs_vn_get_link_inline, .getattr = xfs_vn_getattr, .setattr = xfs_vn_setattr, - .setxattr = generic_setxattr, - .getxattr = generic_getxattr, - .removexattr = generic_removexattr, .listxattr = xfs_vn_listxattr, .update_time = xfs_vn_update_time, }; diff --git a/fs/xfs/xfs_iops.h b/fs/xfs/xfs_iops.h index a0f84abb0d09..0259a383721a 100644 --- a/fs/xfs/xfs_iops.h +++ b/fs/xfs/xfs_iops.h @@ -33,6 +33,7 @@ extern ssize_t xfs_vn_listxattr(struct dentry *, char *data, size_t size); extern void xfs_setattr_time(struct xfs_inode *ip, struct iattr *iattr); extern int xfs_setattr_nonsize(struct xfs_inode *ip, struct iattr *vap, int flags); -extern int xfs_setattr_size(struct xfs_inode *ip, struct iattr *vap); +extern int xfs_vn_setattr_nonsize(struct dentry *dentry, struct iattr *vap); +extern int xfs_vn_setattr_size(struct dentry *dentry, struct iattr *vap); #endif /* __XFS_IOPS_H__ */ diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c index 11a3af08b5c7..dab8daa676f9 100644 --- a/fs/xfs/xfs_trans_inode.c +++ b/fs/xfs/xfs_trans_inode.c @@ -73,7 +73,7 @@ xfs_trans_ichgtime( ASSERT(tp); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); - tv = current_fs_time(inode->i_sb); + tv = current_time(inode); if (flags & XFS_ICHGTIME_MOD) inode->i_mtime = tv; |