diff options
Diffstat (limited to 'fs')
67 files changed, 502 insertions, 247 deletions
diff --git a/fs/btrfs/dev-replace.c b/fs/btrfs/dev-replace.c index af1b898029e8..0284be0e4e82 100644 --- a/fs/btrfs/dev-replace.c +++ b/fs/btrfs/dev-replace.c @@ -494,6 +494,7 @@ static int mark_block_group_to_copy(struct btrfs_fs_info *fs_info, path->reada = READA_FORWARD; path->search_commit_root = true; path->skip_locking = true; + path->need_commit_sem = true; key.objectid = src_dev->devid; key.type = BTRFS_DEV_EXTENT_KEY; diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 819727460bcf..dc7ad92876c0 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -2357,6 +2357,10 @@ static int validate_sys_chunk_array(const struct btrfs_fs_info *fs_info, key.type, cur); return -EUCLEAN; } + + if (unlikely(cur + sizeof(*chunk) > sys_array_size)) + goto short_read; + chunk = (struct btrfs_chunk *)(sb->sys_chunk_array + cur); num_stripes = btrfs_stack_chunk_num_stripes(chunk); if (unlikely(cur + btrfs_chunk_item_size(num_stripes) > sys_array_size)) diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 20e15dc30bfb..f978c6524aa0 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -2509,8 +2509,10 @@ int btrfs_replace_file_extents(struct btrfs_inode *inode, inode_set_ctime_current(&inode->vfs_inode)); ret = btrfs_update_inode(trans, inode); - if (ret) + if (unlikely(ret)) { + btrfs_abort_transaction(trans, ret); break; + } btrfs_end_transaction(trans); btrfs_btree_balance_dirty(fs_info); diff --git a/fs/btrfs/free-space-tree.c b/fs/btrfs/free-space-tree.c index 1b3d82ae3de8..b7a4a6ade30f 100644 --- a/fs/btrfs/free-space-tree.c +++ b/fs/btrfs/free-space-tree.c @@ -1353,7 +1353,7 @@ int btrfs_rebuild_free_space_tree(struct btrfs_fs_info *fs_info) if (unlikely(ret)) { btrfs_abort_transaction(trans, ret); btrfs_end_transaction(trans); - return ret; + goto out_clear; } node = rb_first_cached(&fs_info->block_group_cache_tree); @@ -1371,14 +1371,16 @@ int btrfs_rebuild_free_space_tree(struct btrfs_fs_info *fs_info) if (unlikely(ret)) { btrfs_abort_transaction(trans, ret); btrfs_end_transaction(trans); - return ret; + goto out_clear; } next: if (btrfs_should_end_transaction(trans)) { btrfs_end_transaction(trans); trans = btrfs_start_transaction(free_space_root, 1); - if (IS_ERR(trans)) - return PTR_ERR(trans); + if (IS_ERR(trans)) { + ret = PTR_ERR(trans); + goto out_clear; + } } node = rb_next(node); } @@ -1390,6 +1392,10 @@ next: ret = btrfs_commit_transaction(trans); clear_bit(BTRFS_FS_FREE_SPACE_TREE_UNTRUSTED, &fs_info->flags); return ret; + +out_clear: + clear_bit(BTRFS_FS_CREATING_FREE_SPACE_TREE, &fs_info->flags); + return ret; } static int __add_block_group_free_space(struct btrfs_trans_handle *trans, diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 93ef3cec191e..558b4a3f9633 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -2339,12 +2339,27 @@ static int run_delalloc_inline(struct btrfs_inode *inode, struct folio *locked_f } else if (inode->prop_compress) { compress_type = inode->prop_compress; } + /* + * We need to pass blocksize and not i_size, otherwise we can't + * create compressed inline extents for data smaller than sector + * size with lzo. + */ cb = btrfs_compress_bio(inode, 0, blocksize, compress_type, compress_level, 0); if (IS_ERR(cb)) { cb = NULL; /* Just fall back to non-compressed case. */ } else { compressed_size = cb->bbio.bio.bi_iter.bi_size; + /* + * If we did not save space, it's pointless and wasteful + * to have an inline compressed extent, so fallback to + * an uncompressed inline extent. + */ + if (compressed_size >= i_size) { + cleanup_compressed_bio(cb); + cb = NULL; + compressed_size = 0; + } } } if (!can_cow_file_range_inline(inode, 0, i_size, compressed_size)) { @@ -3877,7 +3892,8 @@ int btrfs_orphan_cleanup(struct btrfs_root *root) if (ret) goto out; } - trans = btrfs_start_transaction(root, 1); + /* Only deletes the orphan. */ + trans = btrfs_start_transaction_fallback_global_rsv(root, 1); if (IS_ERR(trans)) { ret = PTR_ERR(trans); goto out; diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c index 464129b1b0d4..ddb620ac241b 100644 --- a/fs/btrfs/super.c +++ b/fs/btrfs/super.c @@ -1836,8 +1836,12 @@ static int btrfs_statfs(struct dentry *dentry, struct kstatfs *buf) f_fsid.val[0] ^= btrfs_root_id(BTRFS_I(d_inode(dentry))->root) >> 32; f_fsid.val[1] ^= btrfs_root_id(BTRFS_I(d_inode(dentry))->root); - /* Hash dev_t to avoid f_fsid collision with cloned filesystems. */ - if (fs_info->fs_devices->total_devices == 1) { + /* + * Hash dev_t to avoid f_fsid collisions with cloned filesystems. + * Only do this when a clone is present so the original filesystem + * (mounted first) maintains backward-compatible f_fsid behavior. + */ + if (fs_info->fs_devices->temp_fsid) { __kernel_fsid_t dev_fsid = u64_to_fsid(huge_encode_dev(fs_info->fs_devices->latest_dev->bdev->bd_dev)); diff --git a/fs/btrfs/tree-checker.c b/fs/btrfs/tree-checker.c index ab5abbb475e2..4b1e47173c63 100644 --- a/fs/btrfs/tree-checker.c +++ b/fs/btrfs/tree-checker.c @@ -2129,7 +2129,7 @@ static int check_dev_extent_item(const struct extent_buffer *leaf, sectorsize))) { generic_err(leaf, slot, "invalid dev extent chunk offset, has %llu not aligned to %u", - btrfs_dev_extent_chunk_objectid(leaf, de), + btrfs_dev_extent_chunk_offset(leaf, de), sectorsize); return -EUCLEAN; } @@ -2306,7 +2306,7 @@ static int check_free_space_extent(struct extent_buffer *leaf, struct btrfs_key if (unlikely(btrfs_item_size(leaf, slot) != 0)) { generic_err(leaf, slot, - "invalid item size for free space info, has %u expect 0", + "invalid item size for free space extent, has %u expect 0", btrfs_item_size(leaf, slot)); return -EUCLEAN; } diff --git a/fs/btrfs/verity.c b/fs/btrfs/verity.c index 4e0ab5842274..600337a84fbe 100644 --- a/fs/btrfs/verity.c +++ b/fs/btrfs/verity.c @@ -94,6 +94,20 @@ static loff_t merkle_file_pos(const struct inode *inode) } /* + * Start a transaction for removing verity items or the verity orphan. + * + * Like unlink, this only deletes items and frees space in the end, so the + * reservation may come from the global reserve when the filesystem is full + * (-ENOSPC) and is not subject to the qgroup limit (-EDQUOT). Otherwise a + * failed enable could never be cleaned up in either situation. + */ +static struct btrfs_trans_handle *start_verity_cleanup_trans(struct btrfs_root *root, + unsigned int num_items) +{ + return btrfs_start_transaction_fallback_global_rsv(root, num_items); +} + +/* * Drop all the items for this inode with this key_type. * * @inode: inode to drop items for @@ -120,7 +134,7 @@ static int drop_verity_items(struct btrfs_inode *inode, u8 key_type) while (1) { /* 1 for the item being dropped */ - trans = btrfs_start_transaction(root, 1); + trans = start_verity_cleanup_trans(root, 1); if (IS_ERR(trans)) return PTR_ERR(trans); @@ -466,7 +480,7 @@ static int rollback_verity(struct btrfs_inode *inode) * 1 for updating the inode flag * 1 for deleting the orphan */ - trans = btrfs_start_transaction(root, 2); + trans = start_verity_cleanup_trans(root, 2); if (IS_ERR(trans)) { ret = PTR_ERR(trans); trans = NULL; diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 74584669507f..85ea9c5d4536 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -749,6 +749,36 @@ const u8 *btrfs_sb_fsid_ptr(const struct btrfs_super_block *sb) return has_metadata_uuid ? sb->metadata_uuid : sb->fsid; } +static bool should_rename_device(const struct btrfs_device *dev) +{ + bool ret; + const char *old_name; + + rcu_read_lock(); + old_name = rcu_dereference(dev->name); + /* + * For systems booted without an initramfs, the rootfs has the device + * name "/dev/root". + * + * Although using btrfs without an initramfs is not recommended (if a + * new device is added to the rootfs, the system can no longer boot, as + * there is no way to register all devices), there is still a minority + * of users doing this. + * + * And after the system is up, a later device scan on the real block + * device file will never get this device's name updated, as the + * device->devt is still the same. + * + * Here we add one and only one exception for "/dev/root", to allow the + * device name to be updated even if the new path points to the same + * block device. + */ + ret = (strcmp(old_name, "/dev/root") == 0); + rcu_read_unlock(); + + return ret; +} + /* * Add new device to list of registered devices * @@ -869,7 +899,8 @@ static noinline struct btrfs_device *device_list_add(const char *path, MAJOR(path_devt), MINOR(path_devt), current->comm, task_pid_nr(current)); - } else if (!device->name || device->devt != path_devt) { + } else if (!device->name || device->devt != path_devt || + should_rename_device(device)) { const char *old_name; /* diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c index 9cc2c9c1a606..08a15465a087 100644 --- a/fs/btrfs/zoned.c +++ b/fs/btrfs/zoned.c @@ -2688,6 +2688,11 @@ bool btrfs_can_activate_zone(struct btrfs_fs_devices *fs_devices, u64 flags) switch (flags & BTRFS_BLOCK_GROUP_PROFILE_MASK) { case 0: /* single */ + case BTRFS_BLOCK_GROUP_RAID0: + case BTRFS_BLOCK_GROUP_RAID1: + case BTRFS_BLOCK_GROUP_RAID1C3: + case BTRFS_BLOCK_GROUP_RAID1C4: + case BTRFS_BLOCK_GROUP_RAID10: ret = (atomic_read(&zinfo->active_zones_left) >= (1 + reserved)); break; case BTRFS_BLOCK_GROUP_DUP: diff --git a/fs/exec.c b/fs/exec.c index d3081c8f7c10..819643408e6d 100644 --- a/fs/exec.c +++ b/fs/exec.c @@ -1115,6 +1115,17 @@ static struct file *bprm_identity_file(const struct linux_binprm *bprm) return bprm->file; } +static void posixtimer_exec(struct task_struct *me) +{ +#ifdef CONFIG_POSIX_TIMERS + spin_lock_irq(&me->sighand->siglock); + posix_cpu_timers_exit(me); + spin_unlock_irq(&me->sighand->siglock); + exit_itimers(me); + flush_itimer_signals(); +#endif +} + /* * Calling this is the point of no return. None of the failures will be * seen by userspace since either the process is already taking a fatal @@ -1152,6 +1163,16 @@ int begin_new_exec(struct linux_binprm * bprm) retval = de_thread(me); if (retval) goto out; + + /* + * This must be done here to ensure that POSIX CPU timers which were + * armed on the current task are dequeued from me::posix_cputimers. + * Otherwise in case of a TID switch the deletion of the related POSIX + * timer would not remove an enqueued timer because the TID lookup + * of the old TID fails. + */ + posixtimer_exec(me); + /* see the comment in check_unsafe_exec() */ current->fs->in_exec = 0; /* @@ -1206,14 +1227,6 @@ int begin_new_exec(struct linux_binprm * bprm) if (retval) goto out_unlock; -#ifdef CONFIG_POSIX_TIMERS - spin_lock_irq(&me->sighand->siglock); - posix_cpu_timers_exit(me); - spin_unlock_irq(&me->sighand->siglock); - exit_itimers(me); - flush_itimer_signals(); -#endif - /* * Make the signal table private. */ diff --git a/fs/ocfs2/namei.c b/fs/ocfs2/namei.c index e9c7774ccf91..58c6061ed983 100644 --- a/fs/ocfs2/namei.c +++ b/fs/ocfs2/namei.c @@ -336,13 +336,8 @@ static int ocfs2_mknod(struct mnt_idmap *idmap, goto leave; /* calculate meta data/clusters for setting security and acl xattr */ - status = ocfs2_calc_xattr_init(dir, mode, &si, &want_clusters, - &xattr_credits, &want_meta, - &acl_state); - if (status < 0) { - mlog_errno(status); - goto leave; - } + ocfs2_calc_xattr_init(dir, mode, &si, &want_clusters, &xattr_credits, + &want_meta, &acl_state); /* Reserve a cluster if creating an extent based directory. */ if (S_ISDIR(mode) && !ocfs2_supports_inline_data(osb)) { diff --git a/fs/ocfs2/xattr.c b/fs/ocfs2/xattr.c index 35bcbb0ff607..bfafe059bedf 100644 --- a/fs/ocfs2/xattr.c +++ b/fs/ocfs2/xattr.c @@ -635,12 +635,11 @@ int ocfs2_calc_security_init(struct inode *dir, return ret; } -int ocfs2_calc_xattr_init(struct inode *dir, umode_t mode, - struct ocfs2_security_xattr_info *si, - int *want_clusters, int *xattr_credits, - int *want_meta, struct ocfs2_acl_state *acl_state) +void ocfs2_calc_xattr_init(struct inode *dir, umode_t mode, + struct ocfs2_security_xattr_info *si, + int *want_clusters, int *xattr_credits, + int *want_meta, struct ocfs2_acl_state *acl_state) { - int ret = 0; struct ocfs2_super *osb = OCFS2_SB(dir->i_sb); int s_size = 0, a_size = 0, acl_len = 0, new_clusters; @@ -662,7 +661,7 @@ int ocfs2_calc_xattr_init(struct inode *dir, umode_t mode, } if (!(s_size + a_size)) - return ret; + return; /* * The max space of security xattr taken inline is @@ -728,8 +727,6 @@ int ocfs2_calc_xattr_init(struct inode *dir, umode_t mode, } } } - - return ret; } static int ocfs2_xattr_extend_allocation(struct inode *inode, diff --git a/fs/ocfs2/xattr.h b/fs/ocfs2/xattr.h index 5e18513277f1..887cc1a18b1a 100644 --- a/fs/ocfs2/xattr.h +++ b/fs/ocfs2/xattr.h @@ -59,10 +59,10 @@ int ocfs2_calc_security_init(struct inode *, int *, int *, struct ocfs2_alloc_context **); struct ocfs2_acl_state; -int ocfs2_calc_xattr_init(struct inode *dir, umode_t mode, - struct ocfs2_security_xattr_info *si, - int *want_clusters, int *xattr_credits, - int *want_meta, struct ocfs2_acl_state *acl_state); +void ocfs2_calc_xattr_init(struct inode *dir, umode_t mode, + struct ocfs2_security_xattr_info *si, + int *want_clusters, int *xattr_credits, + int *want_meta, struct ocfs2_acl_state *acl_state); /* * xattrs can live inside an inode, as part of an external xattr block, diff --git a/fs/smb/client/cifssmb.c b/fs/smb/client/cifssmb.c index f9aff0712794..6dddbd84b93b 100644 --- a/fs/smb/client/cifssmb.c +++ b/fs/smb/client/cifssmb.c @@ -3080,7 +3080,7 @@ int cifs_query_reparse_point(const unsigned int xid, end = 2 + get_bcc(&io_rsp->hdr) + (__u8 *)&io_rsp->ByteCount; start = (__u8 *)&io_rsp->hdr.Protocol + data_offset; - if (start >= end) { + if (start >= end || (size_t)(end - start) < sizeof(*buf)) { rc = smb_EIO2(smb_eio_trace_qreparse_data_area, (unsigned long)start - (unsigned long)io_rsp, (unsigned long)end - (unsigned long)io_rsp); diff --git a/fs/smb/client/connect.c b/fs/smb/client/connect.c index b6e98eb31673..28e1ddeb6182 100644 --- a/fs/smb/client/connect.c +++ b/fs/smb/client/connect.c @@ -174,6 +174,8 @@ cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server, nserver = ses->chans[i].server; if (!nserver) continue; + if (!list_empty(&nserver->rlist)) + continue; nserver->srv_count++; list_add(&nserver->rlist, &reco); } @@ -182,11 +184,15 @@ cifs_signal_cifsd_for_reconnect(struct TCP_Server_Info *server, } } + spin_lock(&cifs_tcp_ses_lock); list_for_each_entry_safe(server, nserver, &reco, rlist) { list_del_init(&server->rlist); set_need_reco(server); + spin_unlock(&cifs_tcp_ses_lock); cifs_put_tcp_session(server, 0); + spin_lock(&cifs_tcp_ses_lock); } + spin_unlock(&cifs_tcp_ses_lock); } /* @@ -1067,6 +1073,7 @@ clean_demultiplex_info(struct TCP_Server_Info *server) spin_unlock(&server->srv_lock); cancel_delayed_work_sync(&server->echo); + cancel_delayed_work_sync(&server->reconnect); spin_lock(&server->srv_lock); server->tcpStatus = CifsExiting; @@ -1823,6 +1830,7 @@ cifs_get_tcp_session(struct smb3_fs_context *ctx, spin_lock_init(&tcp_ses->mid_counter_lock); INIT_LIST_HEAD(&tcp_ses->tcp_ses_list); INIT_LIST_HEAD(&tcp_ses->smb_ses_list); + INIT_LIST_HEAD(&tcp_ses->rlist); INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request); INIT_DELAYED_WORK(&tcp_ses->reconnect, smb2_reconnect_server); mutex_init(&tcp_ses->reconnect_mutex); @@ -1926,6 +1934,7 @@ out_err: kfree(tcp_ses->leaf_fullpath); if (tcp_ses->ssocket) sock_release(tcp_ses->ssocket); + smbd_destroy(tcp_ses); kfree(tcp_ses); } return ERR_PTR(rc); diff --git a/fs/smb/client/file.c b/fs/smb/client/file.c index 1aa4844f8b8a..0d428517f454 100644 --- a/fs/smb/client/file.c +++ b/fs/smb/client/file.c @@ -3354,8 +3354,8 @@ void cifs_oplock_break(struct work_struct *work) wait_on_bit(&cinode->flags, CIFS_INODE_PENDING_WRITERS, TASK_UNINTERRUPTIBLE); - tlink = cifs_sb_tlink(cifs_sb); - if (IS_ERR(tlink)) { + tlink = cifs_get_tlink(cfile->tlink); + if (IS_ERR_OR_NULL(tlink)) { /* drop the reference taken when the break was queued */ _cifsFileInfo_put(cfile, false /* do not wait for ourself */, false); goto out; diff --git a/fs/smb/client/misc.c b/fs/smb/client/misc.c index 945194fe7a97..05168284f205 100644 --- a/fs/smb/client/misc.c +++ b/fs/smb/client/misc.c @@ -788,7 +788,11 @@ parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size, node->ref_flag = le16_to_cpu(ref->ReferralEntryFlags); /* copy DfsPath */ - if (le16_to_cpu(ref->DfsPathOffset) > data_end - (char *)ref) { + if (le16_to_cpu(ref->DfsPathOffset) < sizeof(*ref) || + le16_to_cpu(ref->DfsPathOffset) > data_end - (char *)ref) { + cifs_dbg(VFS, "%s: DfsPathOffset %u out of range [%zu, %td]\n", + __func__, le16_to_cpu(ref->DfsPathOffset), + sizeof(*ref), data_end - (char *)ref); rc = -EINVAL; goto parse_DFS_referrals_exit; } @@ -802,7 +806,11 @@ parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size, } /* copy link target UNC */ - if (le16_to_cpu(ref->NetworkAddressOffset) > data_end - (char *)ref) { + if (le16_to_cpu(ref->NetworkAddressOffset) < sizeof(*ref) || + le16_to_cpu(ref->NetworkAddressOffset) > data_end - (char *)ref) { + cifs_dbg(VFS, "%s: NetworkAddressOffset %u out of range [%zu, %td]\n", + __func__, le16_to_cpu(ref->NetworkAddressOffset), + sizeof(*ref), data_end - (char *)ref); rc = -EINVAL; goto parse_DFS_referrals_exit; } diff --git a/fs/smb/client/reparse.c b/fs/smb/client/reparse.c index 8a1b9e8be5ba..3a27773186ae 100644 --- a/fs/smb/client/reparse.c +++ b/fs/smb/client/reparse.c @@ -3,6 +3,7 @@ * Copyright (c) 2024 Paulo Alcantara <pc@manguebit.com> */ +#include <linux/ctype.h> #include <linux/fs.h> #include <linux/stat.h> #include <linux/slab.h> @@ -159,15 +160,24 @@ static int create_native_symlink(const unsigned int xid, struct inode *inode, convert_delimiter(sym, sep); /* - * For absolute NT symlinks it is required to pass also leading - * backslash and to not mangle NT object prefix "\\??\\" and not to - * mangle colon in drive letter. But cifs_convert_path_to_utf16() - * removes leading backslash and replaces '?' and ':'. So temporary - * mask these characters in NT object prefix by '_' and then change - * them back. + * Absolute NT symlinks must retain the leading backslash, "\\??\\" + * prefix and drive-letter colon. cifs_convert_path_to_utf16() strips + * the leading backslash and maps '?' and ':', so temporarily mask + * these characters with '_' and restore them after conversion. + * + * When symlinkroot is unset, sym comes directly from the caller. + * Validate the complete "\\??\\X:" prefix before using fixed offsets + * or subtracting the NT prefix length below. Require an ASCII drive + * letter so the prefix occupies six characters in UTF-16 too. */ - if (!(sbflags & CIFS_MOUNT_POSIX_PATHS) && symname[0] == '/') + if (!(sbflags & CIFS_MOUNT_POSIX_PATHS) && symname[0] == '/') { + if (!strstarts(sym, "\\??\\") || !isascii(sym[4]) || + !isalpha(sym[4]) || sym[5] != ':') { + rc = -EINVAL; + goto out; + } sym[0] = sym[1] = sym[2] = sym[5] = '_'; + } /* * On a POSIX paths mount the symlink target is stored verbatim, so @@ -1139,29 +1149,30 @@ static bool wsl_to_fattr(struct cifs_open_info_data *data, u32 tag, struct cifs_fattr *fattr) { unsigned int sbflags = cifs_sb_flags(cifs_sb); + kuid_t uid = cifs_sb->ctx->linux_uid; + kgid_t gid = cifs_sb->ctx->linux_gid; struct smb2_file_full_ea_info *ea; bool have_xattr_dev = false; + dev_t rdev = 0; + umode_t mode; u32 next = 0; - fattr->cf_uid = cifs_sb->ctx->linux_uid; - fattr->cf_gid = cifs_sb->ctx->linux_gid; - - fattr->cf_mode &= ~S_IFMT; + mode = fattr->cf_mode & ~S_IFMT; switch (tag) { case IO_REPARSE_TAG_LX_SYMLINK: - fattr->cf_mode |= S_IFLNK; + mode |= S_IFLNK; break; case IO_REPARSE_TAG_LX_FIFO: - fattr->cf_mode |= S_IFIFO; + mode |= S_IFIFO; break; case IO_REPARSE_TAG_AF_UNIX: - fattr->cf_mode |= S_IFSOCK; + mode |= S_IFSOCK; break; case IO_REPARSE_TAG_LX_CHR: - fattr->cf_mode |= S_IFCHR; + mode |= S_IFCHR; break; case IO_REPARSE_TAG_LX_BLK: - fattr->cf_mode |= S_IFBLK; + mode |= S_IFBLK; break; } @@ -1185,26 +1196,29 @@ static bool wsl_to_fattr(struct cifs_open_info_data *data, if (!strncmp(name, SMB2_WSL_XATTR_UID, nlen)) { if (!(sbflags & CIFS_MOUNT_OVERR_UID)) - fattr->cf_uid = wsl_make_kuid(cifs_sb, v); + uid = wsl_make_kuid(cifs_sb, v); } else if (!strncmp(name, SMB2_WSL_XATTR_GID, nlen)) { if (!(sbflags & CIFS_MOUNT_OVERR_GID)) - fattr->cf_gid = wsl_make_kgid(cifs_sb, v); + gid = wsl_make_kgid(cifs_sb, v); } else if (!strncmp(name, SMB2_WSL_XATTR_MODE, nlen)) { /* File type in reparse point tag and in xattr mode must match. */ - if (S_DT(fattr->cf_mode) != S_DT(le32_to_cpu(*(__le32 *)v))) + if (S_DT(mode) != S_DT(get_unaligned_le32(v))) return false; - fattr->cf_mode = (umode_t)le32_to_cpu(*(__le32 *)v); + mode = get_unaligned_le32(v); } else if (!strncmp(name, SMB2_WSL_XATTR_DEV, nlen)) { - fattr->cf_rdev = reparse_mkdev(v); + rdev = reparse_mkdev(v); have_xattr_dev = true; } } while (next); out: - /* Major and minor numbers for char and block devices are mandatory. */ if (!have_xattr_dev && (tag == IO_REPARSE_TAG_LX_CHR || tag == IO_REPARSE_TAG_LX_BLK)) return false; + fattr->cf_uid = uid; + fattr->cf_gid = gid; + fattr->cf_mode = mode; + fattr->cf_rdev = rdev; return true; } diff --git a/fs/smb/client/reparse.h b/fs/smb/client/reparse.h index 49efd85b1e94..05b2cecb4495 100644 --- a/fs/smb/client/reparse.h +++ b/fs/smb/client/reparse.h @@ -9,6 +9,7 @@ #include <linux/fs.h> #include <linux/stat.h> #include <linux/uidgid.h> +#include <linux/unaligned.h> #include "fs_context.h" #include "cifsglob.h" #include "../common/smbfsctl.h" @@ -23,7 +24,7 @@ static inline dev_t reparse_mkdev(void *ptr) { - u64 v = le64_to_cpu(*(__le64 *)ptr); + u64 v = get_unaligned_le64(ptr); return MKDEV(v & 0xffffffff, v >> 32); } @@ -31,7 +32,7 @@ static inline dev_t reparse_mkdev(void *ptr) static inline kuid_t wsl_make_kuid(struct cifs_sb_info *cifs_sb, void *ptr) { - u32 uid = le32_to_cpu(*(__le32 *)ptr); + u32 uid = get_unaligned_le32(ptr); if (cifs_sb_flags(cifs_sb) & CIFS_MOUNT_OVERR_UID) return cifs_sb->ctx->linux_uid; @@ -41,7 +42,7 @@ static inline kuid_t wsl_make_kuid(struct cifs_sb_info *cifs_sb, static inline kgid_t wsl_make_kgid(struct cifs_sb_info *cifs_sb, void *ptr) { - u32 gid = le32_to_cpu(*(__le32 *)ptr); + u32 gid = get_unaligned_le32(ptr); if (cifs_sb_flags(cifs_sb) & CIFS_MOUNT_OVERR_GID) return cifs_sb->ctx->linux_gid; diff --git a/fs/smb/client/sess.c b/fs/smb/client/sess.c index 7cf7dd104f7c..e095f41b5882 100644 --- a/fs/smb/client/sess.c +++ b/fs/smb/client/sess.c @@ -149,9 +149,9 @@ int cifs_try_adding_channels(struct cifs_ses *ses) int old_chan_count, new_chan_count; int left; int rc = 0; - int tries = 0; + int tries = 0, attempts; size_t iface_weight = 0, iface_min_speed = 0; - struct cifs_server_iface *iface = NULL, *niface = NULL; + struct cifs_server_iface *iface = NULL, *candidate = NULL; struct cifs_server_iface *last_iface = NULL; spin_lock(&ses->chan_lock); @@ -197,67 +197,89 @@ int cifs_try_adding_channels(struct cifs_ses *ses) break; } - if (!iface) - iface = list_first_entry(&ses->iface_list, struct cifs_server_iface, - iface_head); last_iface = list_last_entry(&ses->iface_list, struct cifs_server_iface, iface_head); iface_min_speed = last_iface->speed; + spin_unlock(&ses->iface_lock); - list_for_each_entry_safe_from(iface, niface, &ses->iface_list, - iface_head) { - /* do not mix rdma and non-rdma interfaces */ - if (iface->rdma_capable != ses->server->rdma) - continue; - - /* skip ifaces that are unusable */ - if (!iface->is_active || - (is_ses_using_iface(ses, iface) && - !iface->rss_capable)) - continue; + attempts = 0; + while (left > 0) { + spin_lock(&ses->iface_lock); - /* check if we already allocated enough channels */ - iface_weight = iface->speed / iface_min_speed; + /* + * iface_lock must be dropped while opening a channel, + * and a concurrent interface refresh may remove and + * free entries during that window, so no list entry + * may be kept across it without a reference. Scan + * the list from the beginning each time and only pass + * a referenced candidate to cifs_ses_add_channel(); + * weight_fulfilled tracks the progress so that no + * iface is selected beyond its weight. + */ + candidate = NULL; + list_for_each_entry(iface, &ses->iface_list, iface_head) { + /* do not mix rdma and non-rdma interfaces */ + if (iface->rdma_capable != ses->server->rdma) + continue; + + /* skip ifaces that are unusable */ + if (!iface->is_active || + (is_ses_using_iface(ses, iface) && + !iface->rss_capable)) + continue; + + /* check if we already allocated enough channels */ + iface_weight = iface->speed / iface_min_speed; + + if (iface->weight_fulfilled >= iface_weight) + continue; + + /* take ref before unlock */ + kref_get(&iface->refcount); + candidate = iface; + break; + } - if (iface->weight_fulfilled >= iface_weight) - continue; + if (!candidate) { + /* no usable iface. reset weight_fulfilled and start over */ + list_for_each_entry(iface, &ses->iface_list, iface_head) + iface->weight_fulfilled = 0; + spin_unlock(&ses->iface_lock); + break; + } - /* take ref before unlock */ - kref_get(&iface->refcount); + attempts++; + if (attempts > 3 * ses->chan_max) { + kref_put(&candidate->refcount, release_iface); + spin_unlock(&ses->iface_lock); + break; + } spin_unlock(&ses->iface_lock); - rc = cifs_ses_add_channel(ses, iface); + rc = cifs_ses_add_channel(ses, candidate); spin_lock(&ses->iface_lock); if (rc) { cifs_dbg(VFS, "failed to open extra channel on iface:%pIS rc=%d\n", - &iface->sockaddr, + &candidate->sockaddr, rc); /* failure to add chan should increase weight */ - iface->weight_fulfilled++; - kref_put(&iface->refcount, release_iface); + candidate->weight_fulfilled++; + kref_put(&candidate->refcount, release_iface); + spin_unlock(&ses->iface_lock); continue; } - iface->num_channels++; - iface->weight_fulfilled++; + candidate->num_channels++; + candidate->weight_fulfilled++; cifs_info("successfully opened new channel on iface:%pIS\n", - &iface->sockaddr); - break; - } - - /* reached end of list. reset weight_fulfilled and start over */ - if (list_entry_is_head(iface, &ses->iface_list, iface_head)) { - list_for_each_entry(iface, &ses->iface_list, iface_head) - iface->weight_fulfilled = 0; + &candidate->sockaddr); spin_unlock(&ses->iface_lock); - iface = NULL; - continue; - } - spin_unlock(&ses->iface_lock); - left--; - new_chan_count++; + left--; + new_chan_count++; + break; + } } return new_chan_count - old_chan_count; diff --git a/fs/smb/client/smb2inode.c b/fs/smb/client/smb2inode.c index 96063e355186..13fe8e3b48f3 100644 --- a/fs/smb/client/smb2inode.c +++ b/fs/smb/client/smb2inode.c @@ -77,6 +77,17 @@ static int parse_posix_sids(struct cifs_open_info_data *data, sidsbuf = (u8 *)qi + le16_to_cpu(qi->OutputBufferOffset) + qi_len; sidsbuf_end = sidsbuf + out_len - qi_len; + if (sidsbuf_end < sidsbuf) { + cifs_dbg(VFS, "%s: server-supplied out_len %u caused pointer wraparound\n", + __func__, out_len); + return -EINVAL; + } + if (sidsbuf_end > (u8 *)rsp_iov->iov_base + rsp_iov->iov_len) { + cifs_dbg(VFS, "%s: server-supplied out_len %u overruns iov by %td bytes\n", + __func__, out_len, + sidsbuf_end - ((u8 *)rsp_iov->iov_base + rsp_iov->iov_len)); + return -EINVAL; + } owner_len = posix_info_sid_size(sidsbuf, sidsbuf_end); if (owner_len == -1) diff --git a/fs/smb/client/smb2misc.c b/fs/smb/client/smb2misc.c index 9068175e57cd..0cfe60ae42c3 100644 --- a/fs/smb/client/smb2misc.c +++ b/fs/smb/client/smb2misc.c @@ -85,6 +85,36 @@ static const __le16 smb2_rsp_struct_sizes[NUMBER_OF_SMB2_COMMANDS] = { /* SMB2_OPLOCK_BREAK */ cpu_to_le16(24) }; +/* + * Minimum received PDU size for commands whose response carries a + * variable-length data area. A non-zero entry marks the command as + * having one, and gives the length smb2_check_message() requires + * before smb2_get_data_area_len() reads the offset and length fields + * out of the fixed response struct. + */ +static const size_t smb2_min_pdu_len[NUMBER_OF_SMB2_COMMANDS] = { + /* SMB2_NEGOTIATE */ sizeof(struct smb2_negotiate_rsp), + /* SMB2_SESSION_SETUP */ sizeof(struct smb2_sess_setup_rsp), + /* SMB2_LOGOFF */ 0, + /* SMB2_TREE_CONNECT */ 0, + /* SMB2_TREE_DISCONNECT */ 0, + /* SMB2_CREATE */ sizeof(struct smb2_create_rsp), + /* SMB2_CLOSE */ 0, + /* SMB2_FLUSH */ 0, + /* SMB2_READ */ sizeof(struct smb2_read_rsp), + /* SMB2_WRITE */ 0, + /* SMB2_LOCK */ 0, + /* SMB2_IOCTL */ sizeof(struct smb2_ioctl_rsp), + /* SMB2_CANCEL */ 0, + /* SMB2_ECHO */ 0, + /* SMB2_QUERY_DIRECTORY */ sizeof(struct smb2_query_directory_rsp), + /* SMB2_CHANGE_NOTIFY */ sizeof(struct smb2_change_notify_rsp), + /* SMB2_QUERY_INFO */ sizeof(struct smb2_query_info_rsp), + /* SMB2_SET_INFO */ 0, + /* SMB2_OPLOCK_BREAK */ 0, +}; + +#define smb2_has_data_area(cmd) (smb2_min_pdu_len[cmd] != 0) #define SMB311_NEGPROT_BASE_SIZE (sizeof(struct smb2_hdr) + sizeof(struct smb2_negotiate_rsp)) static __u32 get_neg_ctxt_len(struct smb2_hdr *hdr, __u32 len, @@ -233,6 +263,16 @@ smb2_check_message(char *buf, unsigned int pdu_len, unsigned int len, } } + if ((shdr->Status == STATUS_SUCCESS || + shdr->Status == STATUS_MORE_PROCESSING_REQUIRED || + pdu->StructureSize2 != SMB2_ERROR_STRUCTURE_SIZE2_LE) && + smb2_has_data_area(command) && + len < smb2_min_pdu_len[command]) { + cifs_server_dbg(VFS, "SMB2 command %d response too short: %u < %zu\n", + command, len, smb2_min_pdu_len[command]); + return 1; + } + have_data = false; data_area_overlap = false; calc_len = __smb2_calc_size(buf, &have_data, &data_area_overlap); @@ -299,33 +339,6 @@ smb2_check_message(char *buf, unsigned int pdu_len, unsigned int len, } /* - * The size of the variable area depends on the offset and length fields - * located in different fields for various SMB2 responses. SMB2 responses - * with no variable length info, show an offset of zero for the offset field. - */ -static const bool has_smb2_data_area[NUMBER_OF_SMB2_COMMANDS] = { - /* SMB2_NEGOTIATE */ true, - /* SMB2_SESSION_SETUP */ true, - /* SMB2_LOGOFF */ false, - /* SMB2_TREE_CONNECT */ false, - /* SMB2_TREE_DISCONNECT */ false, - /* SMB2_CREATE */ true, - /* SMB2_CLOSE */ false, - /* SMB2_FLUSH */ false, - /* SMB2_READ */ true, - /* SMB2_WRITE */ false, - /* SMB2_LOCK */ false, - /* SMB2_IOCTL */ true, - /* SMB2_CANCEL */ false, /* BB CHECK this not listed in documentation */ - /* SMB2_ECHO */ false, - /* SMB2_QUERY_DIRECTORY */ true, - /* SMB2_CHANGE_NOTIFY */ true, - /* SMB2_QUERY_INFO */ true, - /* SMB2_SET_INFO */ false, - /* SMB2_OPLOCK_BREAK */ false -}; - -/* * Returns the pointer to the beginning of the data area. Length of the data * area and the offset to it (from the beginning of the smb are also returned. */ @@ -451,7 +464,7 @@ __smb2_calc_size(void *buf, bool *have_data, bool *data_area_overlap) */ len += le16_to_cpu(pdu->StructureSize2); - if (has_smb2_data_area[le16_to_cpu(shdr->Command)] == false) + if (!smb2_has_data_area(le16_to_cpu(shdr->Command))) goto calc_size_exit; smb2_get_data_area_len(&offset, &data_length, shdr); diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c index cb4fd09f996e..3464470d3297 100644 --- a/fs/smb/client/smb2ops.c +++ b/fs/smb/client/smb2ops.c @@ -785,9 +785,9 @@ next_iface: break; } /* Validate that Next doesn't point beyond the buffer */ - if (next > bytes_left) { - cifs_dbg(VFS, "%s: invalid Next pointer %zu > %zd\n", - __func__, next, bytes_left); + if (next < sizeof(*p) || next > bytes_left) { + cifs_dbg(VFS, "%s: invalid Next pointer %zu out of range [%zu, %zd]\n", + __func__, next, sizeof(*p), bytes_left); rc = -EINVAL; goto out; } @@ -1053,8 +1053,9 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size, char *name, *value; size_t buf_size = dst_size; size_t name_len, value_len, user_name_len; + u32 next_off; - while (src_size > 0) { + while (src_size >= sizeof(*src)) { name_len = (size_t)src->ea_name_length; value_len = (size_t)le16_to_cpu(src->ea_value_length); @@ -1110,14 +1111,22 @@ move_smb2_ea_to_cifs(char *dst, size_t dst_size, if (!src->next_entry_offset) break; - if (src_size < le32_to_cpu(src->next_entry_offset)) { - /* stop before overrun buffer */ - rc = -ERANGE; - break; + next_off = le32_to_cpu(src->next_entry_offset); + if (next_off < sizeof(*src) || src_size < next_off) { + cifs_dbg(FYI, "EA next_entry_offset %u out of range [%zu, %zu]\n", + next_off, sizeof(*src), src_size); + rc = smb_EIO2(smb_eio_trace_ea_next_offset, + next_off, src_size); + goto out; + } + src_size -= next_off; + src = (void *)((char *)src + next_off); + if (src_size > 0 && src_size < sizeof(*src)) { + cifs_dbg(FYI, "EA next_entry_offset %u left truncated entry (%zu bytes)\n", + next_off, src_size); + rc = smb_EIO2(smb_eio_trace_ea_next_offset, next_off, src_size); + goto out; } - src_size -= le32_to_cpu(src->next_entry_offset); - src = (void *)((char *)src + - le32_to_cpu(src->next_entry_offset)); } /* didn't find the named attribute */ @@ -2454,8 +2463,14 @@ smb3_enum_snapshots(const unsigned int xid, struct cifs_tcon *tcon, * and retry the ioctl again with larger array size sufficient * to hold all of the snapshot GMT tokens on the second try. */ - if (snapshot_in.snapshot_array_size < GMT_TOKEN_SIZE) + if (snapshot_in.snapshot_array_size < GMT_TOKEN_SIZE) { + if (ret_data_len < sizeof(struct smb_snapshot_array)) { + rc = -EIO; + kfree(retbuf); + return rc; + } ret_data_len = sizeof(struct smb_snapshot_array); + } /* * We return struct SRV_SNAPSHOT_ARRAY, followed by @@ -5365,11 +5380,13 @@ receive_encrypted_standard(struct TCP_Server_Info *server, length = decrypt_raw_data(server, buf, buf_size, NULL, false); if (length) return length; + pdu_length = buf_size; next_is_large = server->large_buf; one_more: shdr = (struct smb2_hdr *)buf; next_cmd = le32_to_cpu(shdr->NextCommand); + server->total_read = next_cmd ? next_cmd : pdu_length; if (*num_mids >= MAX_COMPOUND) { cifs_server_dbg(VFS, "too many PDUs in compound\n"); @@ -5377,8 +5394,15 @@ one_more: } if (next_cmd) { - if (WARN_ON_ONCE(next_cmd > pdu_length)) + if (next_cmd < MID_HEADER_SIZE(server) || + next_cmd > pdu_length || + pdu_length - next_cmd < MID_HEADER_SIZE(server)) { + unsigned int max_next = pdu_length > (unsigned int)MID_HEADER_SIZE(server) ? + pdu_length - (unsigned int)MID_HEADER_SIZE(server) : 0; + cifs_server_dbg(VFS, "invalid NextCommand offset %u out of range [%zu, %u]\n", + next_cmd, MID_HEADER_SIZE(server), max_next); return -1; + } if (next_is_large) next_buffer = (char *)cifs_buf_get(); else @@ -5414,6 +5438,7 @@ one_more: server->bigbuf = buf = next_buffer; else server->smallbuf = buf = next_buffer; + next_buffer = NULL; goto one_more; } else if (ret != 0) { /* diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c index dea05aeb53a1..880ce12f50c4 100644 --- a/fs/smb/client/smb2pdu.c +++ b/fs/smb/client/smb2pdu.c @@ -189,18 +189,19 @@ cifs_chan_skip_or_disable(struct cifs_ses *ses, spin_unlock(&ses->chan_lock); /* - * the above reference of server by channel - * needs to be dropped without holding chan_lock - * as cifs_put_tcp_session takes a higher lock - * i.e. cifs_tcp_ses_lock + * signal the channel and its primary server to + * reconnect before dropping the above reference of + * server by channel, which is done without holding + * chan_lock as cifs_put_tcp_session takes a higher + * lock i.e. cifs_tcp_ses_lock */ - cifs_put_tcp_session(server, from_reconnect); - cifs_signal_cifsd_for_reconnect(server, false); /* mark primary server as needing reconnect */ pserver = server->primary_server; cifs_signal_cifsd_for_reconnect(pserver, false); + + cifs_put_tcp_session(server, from_reconnect); skip_terminate: return -EHOSTDOWN; } diff --git a/fs/smb/client/trace.h b/fs/smb/client/trace.h index b442cccd1530..bb8d0197cb54 100644 --- a/fs/smb/client/trace.h +++ b/fs/smb/client/trace.h @@ -27,6 +27,7 @@ EM(smb_eio_trace_copychunk_overcopy_c, "copychunk_overcopy_c") \ EM(smb_eio_trace_create_rsp_too_small, "create_rsp_too_small") \ EM(smb_eio_trace_dfsref_no_rsp, "dfsref_no_rsp") \ + EM(smb_eio_trace_ea_next_offset, "ea_next_offset") \ EM(smb_eio_trace_ea_overrun, "ea_overrun") \ EM(smb_eio_trace_extract_will_pin, "extract_will_pin") \ EM(smb_eio_trace_forced_shutdown, "forced_shutdown") \ diff --git a/fs/xfs/libxfs/xfs_ag.h b/fs/xfs/libxfs/xfs_ag.h index fd22fe598931..ee636b66a72f 100644 --- a/fs/xfs/libxfs/xfs_ag.h +++ b/fs/xfs/libxfs/xfs_ag.h @@ -207,7 +207,7 @@ xfs_perag_next( } /* - * Per-ag geometry infomation and validation + * Per-ag geometry information and validation */ xfs_agblock_t xfs_ag_block_count(struct xfs_mount *mp, xfs_agnumber_t agno); void xfs_agino_range(struct xfs_mount *mp, xfs_agnumber_t agno, diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c index d99602bcc16f..f762dcce8d13 100644 --- a/fs/xfs/libxfs/xfs_alloc.c +++ b/fs/xfs/libxfs/xfs_alloc.c @@ -3487,7 +3487,7 @@ xfs_alloc_read_agf( } /* - * Pre-proces allocation arguments to set initial state that we don't require + * Pre-process allocation arguments to set initial state that we don't require * callers to set up correctly, as well as bounds check the allocation args * that are set up. */ @@ -3608,7 +3608,7 @@ xfs_alloc_vextent_finish( * ABBA AGF deadlocks because a future allocation attempt in this * transaction may attempt to lock a lower number AGF. * - * We can't release the AGF until the transaction is commited, so at + * We can't release the AGF until the transaction is committed, so at * this point we must update the "first allocation" tracker to point at * this AG if the tracker is empty or points to a lower AG. This allows * the next allocation attempt to be modified appropriately to avoid diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c index b6288395f853..2c80f4fd0b78 100644 --- a/fs/xfs/libxfs/xfs_attr_leaf.c +++ b/fs/xfs/libxfs/xfs_attr_leaf.c @@ -1715,7 +1715,7 @@ xfs_attr3_leaf_add_work( /* * This freemap entry starts at the old end of the * leaf entry array, so we need to adjust its base - * upward to accomodate the larger array. + * upward to accommodate the larger array. */ diff = sizeof(struct xfs_attr_leaf_entry); } else if (ichdr->freemap[i].size > 0 && diff --git a/fs/xfs/libxfs/xfs_errortag.h b/fs/xfs/libxfs/xfs_errortag.h index 6de207fed2d8..f0c83f1f0b3b 100644 --- a/fs/xfs/libxfs/xfs_errortag.h +++ b/fs/xfs/libxfs/xfs_errortag.h @@ -83,7 +83,7 @@ #define XFS_RANDOM_DEFAULT 100 /* - * Table of errror injection knobs. The parameters to the XFS_ERRTAG macro are: + * Table of error injection knobs. The parameters to the XFS_ERRTAG macro are: * 1. The XFS_ERRTAG_ flag but without the prefix; * 2. The name of the sysfs knob; and * 3. The default value for the knob. diff --git a/fs/xfs/libxfs/xfs_exchmaps.c b/fs/xfs/libxfs/xfs_exchmaps.c index 49eda8d0994d..6a66b6075e0a 100644 --- a/fs/xfs/libxfs/xfs_exchmaps.c +++ b/fs/xfs/libxfs/xfs_exchmaps.c @@ -395,7 +395,7 @@ xfs_exchmaps_one_step( /* * Re-add both mappings. We exchange the file offsets between the two * maps and add the opposite map, which has the effect of filling the - * logical offsets we just unmapped, but with with the physical mapping + * logical offsets we just unmapped, but with the physical mapping * information exchanged. */ swap(irec1->br_startoff, irec2->br_startoff); @@ -969,16 +969,6 @@ xmi_can_exchange_reflink_flags( if (req->flags & XFS_EXCHMAPS_INO1_WRITTEN) return false; - /* - * The INO1_WRITTEN optimization can skip exchanging hole and - * unwritten mappings, which means we cannot guarantee that all - * shared extents actually moved to the other file. Clearing the - * reflink flag of an inode that still holds shared extents breaks - * the CoW write path, so refuse to exchange the flags in that case. - */ - if (req->flags & XFS_EXCHMAPS_INO1_WRITTEN) - return false; - if (hweight32(reflink_state) != 1) return false; if (req->startoff1 != 0 || req->startoff2 != 0) diff --git a/fs/xfs/libxfs/xfs_format.h b/fs/xfs/libxfs/xfs_format.h index dd0ed046fbe9..1a7a7e60a170 100644 --- a/fs/xfs/libxfs/xfs_format.h +++ b/fs/xfs/libxfs/xfs_format.h @@ -1051,7 +1051,7 @@ enum xfs_dinode_fmt { * block is 1KB in size. * * With XFS_MAX_EXTCNT_DATA_FORK_SMALL representing maximum extent count and - * with 1KB sized blocks, a file can reach upto, + * with 1KB sized blocks, a file can reach up to, * 1KB * (2^31) = 2TB * * This is much larger than the theoretical maximum size of a directory diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index e4c3f7b24e95..0340e2189921 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -626,7 +626,7 @@ xfs_dinode_verify( * have di_nlink track the link count, even if the actual filesystem * only supported V1 inodes (i.e. di_onlink). When writing out the * ondisk inode, it would set both the ondisk di_nlink and di_onlink to - * the the incore di_nlink value, which is why we cannot check for + * the incore di_nlink value, which is why we cannot check for * di_nlink==0 on a V1 inode. V2/3 inodes would get written out with * di_onlink==0, so we can check that. */ diff --git a/fs/xfs/libxfs/xfs_metafile.c b/fs/xfs/libxfs/xfs_metafile.c index 71f004e9dc64..1f54d39003c2 100644 --- a/fs/xfs/libxfs/xfs_metafile.c +++ b/fs/xfs/libxfs/xfs_metafile.c @@ -297,14 +297,14 @@ xfs_metafile_resv_init( goto out_unlock; /* - * Space taken by the per-AG metadata btrees are accounted on-disk as - * used space. We therefore only hide the space that is reserved but - * not used by the trees. + * Space taken by metadata btrees are accounted on-disk as used space. + * We therefore only hide the space that is reserved but not used by + * the trees. */ if (used > target) target = used; else if (target > dblocks_avail) - target = dblocks_avail; + target = max(dblocks_avail, used); hidden_space = target - used; error = xfs_dec_fdblocks(mp, hidden_space, true); diff --git a/fs/xfs/libxfs/xfs_rtrefcount_btree.c b/fs/xfs/libxfs/xfs_rtrefcount_btree.c index e2950dbe2068..dcc89b8e149b 100644 --- a/fs/xfs/libxfs/xfs_rtrefcount_btree.c +++ b/fs/xfs/libxfs/xfs_rtrefcount_btree.c @@ -617,7 +617,7 @@ xfs_rtrefcountbt_from_disk( fpp = xfs_rtrefcount_droot_ptr_addr(dblock, 1, maxrecs); tpp = xfs_rtrefcount_broot_ptr_addr(mp, rblock, 1, rblocklen); numrecs = be16_to_cpu(dblock->bb_numrecs); - memcpy(tkp, fkp, 2 * sizeof(*fkp) * numrecs); + memcpy(tkp, fkp, sizeof(*fkp) * numrecs); memcpy(tpp, fpp, sizeof(*fpp) * numrecs); } else { frp = xfs_rtrefcount_droot_rec_addr(dblock, 1); @@ -703,7 +703,7 @@ xfs_rtrefcountbt_to_disk( fpp = xfs_rtrefcount_broot_ptr_addr(mp, rblock, 1, rblocklen); tpp = xfs_rtrefcount_droot_ptr_addr(dblock, 1, maxrecs); numrecs = be16_to_cpu(rblock->bb_numrecs); - memcpy(tkp, fkp, 2 * sizeof(*fkp) * numrecs); + memcpy(tkp, fkp, sizeof(*fkp) * numrecs); memcpy(tpp, fpp, sizeof(*fpp) * numrecs); } else { frp = xfs_rtrefcount_rec_addr(rblock, 1); diff --git a/fs/xfs/scrub/agheader_repair.c b/fs/xfs/scrub/agheader_repair.c index a66b611588c4..ff1b4b361cf2 100644 --- a/fs/xfs/scrub/agheader_repair.c +++ b/fs/xfs/scrub/agheader_repair.c @@ -1369,7 +1369,7 @@ xrep_iunlink_mark_ondisk( /* * Walk an iunlink bucket's inode list. For each inode that should be on this - * chain, clear its entry in in iunlink_bmp because it's ok and we don't need + * chain, clear its entry in iunlink_bmp because it's ok and we don't need * to touch it further. */ STATIC int diff --git a/fs/xfs/scrub/alloc_repair.c b/fs/xfs/scrub/alloc_repair.c index 95e318e4f3a6..2398e3819597 100644 --- a/fs/xfs/scrub/alloc_repair.c +++ b/fs/xfs/scrub/alloc_repair.c @@ -338,7 +338,7 @@ xrep_cntbt_extent_cmp( } /* - * Sort the free extents by length so so that we can put the records into the + * Sort the free extents by length so that we can put the records into the * cntbt in the correct order. Don't let userspace kill us if we're resorting * after allocating btree blocks. */ diff --git a/fs/xfs/scrub/bitmap.c b/fs/xfs/scrub/bitmap.c index c7fa908d92b2..08f216d26ec6 100644 --- a/fs/xfs/scrub/bitmap.c +++ b/fs/xfs/scrub/bitmap.c @@ -122,8 +122,8 @@ xbitmap64_set( uint64_t start, uint64_t len) { - struct xbitmap64_node *left; - struct xbitmap64_node *right; + struct xbitmap64_node *left = NULL; + struct xbitmap64_node *right = NULL; uint64_t last = start + len - 1; int error; @@ -131,6 +131,7 @@ xbitmap64_set( left = xbitmap64_tree_iter_first(&bitmap->xb_root, start, last); if (left && left->bn_start <= start && left->bn_last >= last) return 0; + left = NULL; /* Clear out everything in the range we want to set. */ error = xbitmap64_clear(bitmap, start, len); @@ -138,11 +139,15 @@ xbitmap64_set( return error; /* Do we have a left-adjacent extent? */ - left = xbitmap64_tree_iter_first(&bitmap->xb_root, start - 1, start - 1); + if (start > 0) + left = xbitmap64_tree_iter_first(&bitmap->xb_root, start - 1, + start - 1); ASSERT(!left || left->bn_last + 1 == start); /* Do we have a right-adjacent extent? */ - right = xbitmap64_tree_iter_first(&bitmap->xb_root, last + 1, last + 1); + if (last < U64_MAX) + right = xbitmap64_tree_iter_first(&bitmap->xb_root, last + 1, + last + 1); ASSERT(!right || right->bn_start == last + 1); if (left && right) { @@ -397,8 +402,8 @@ xbitmap32_set( uint32_t start, uint32_t len) { - struct xbitmap32_node *left; - struct xbitmap32_node *right; + struct xbitmap32_node *left = NULL; + struct xbitmap32_node *right = NULL; uint32_t last = start + len - 1; int error; @@ -406,6 +411,7 @@ xbitmap32_set( left = xbitmap32_tree_iter_first(&bitmap->xb_root, start, last); if (left && left->bn_start <= start && left->bn_last >= last) return 0; + left = NULL; /* Clear out everything in the range we want to set. */ error = xbitmap32_clear(bitmap, start, len); @@ -413,11 +419,15 @@ xbitmap32_set( return error; /* Do we have a left-adjacent extent? */ - left = xbitmap32_tree_iter_first(&bitmap->xb_root, start - 1, start - 1); + if (start > 0) + left = xbitmap32_tree_iter_first(&bitmap->xb_root, start - 1, + start - 1); ASSERT(!left || left->bn_last + 1 == start); /* Do we have a right-adjacent extent? */ - right = xbitmap32_tree_iter_first(&bitmap->xb_root, last + 1, last + 1); + if (last < U32_MAX) + right = xbitmap32_tree_iter_first(&bitmap->xb_root, last + 1, + last + 1); ASSERT(!right || right->bn_start == last + 1); if (left && right) { diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c index 2a037aae904d..19d974c7e2b7 100644 --- a/fs/xfs/scrub/dir.c +++ b/fs/xfs/scrub/dir.c @@ -492,7 +492,7 @@ xchk_directory_data_bestfree( goto out; xchk_buffer_recheck(sc, bp); - if (xfs_has_crc(sc->mp)) { + if (!is_block && xfs_has_crc(sc->mp)) { struct xfs_dir3_data_hdr *hdr3 = bp->b_addr; if (hdr3->pad) diff --git a/fs/xfs/scrub/dirtree.c b/fs/xfs/scrub/dirtree.c index 9b0ab2316612..887383d2e941 100644 --- a/fs/xfs/scrub/dirtree.c +++ b/fs/xfs/scrub/dirtree.c @@ -1021,7 +1021,7 @@ out: return error; } -/* Does the directory targetted by this scrub have no parents? */ +/* Does the directory targeted by this scrub have no parents? */ bool xchk_dirtree_parentless(const struct xchk_dirtree *dl) { diff --git a/fs/xfs/scrub/findparent.c b/fs/xfs/scrub/findparent.c index eab3ac2704be..d921fe5a9b0c 100644 --- a/fs/xfs/scrub/findparent.c +++ b/fs/xfs/scrub/findparent.c @@ -473,6 +473,9 @@ xrep_findparent_from_dcache( pip = igrab(d_inode(parent)); dput(parent); + if (!pip) + goto out_dput; + if (S_ISDIR(pip->i_mode)) { ret = pip->i_ino; trace_xrep_findparent_from_dcache(sc->ip, ret); diff --git a/fs/xfs/scrub/health.c b/fs/xfs/scrub/health.c index 2171bcf0f6c1..487ecc5f9f3c 100644 --- a/fs/xfs/scrub/health.c +++ b/fs/xfs/scrub/health.c @@ -202,9 +202,9 @@ xchk_update_health( * there's no sick flag defined for it, so we branch here ahead of the * mask check. */ - if (sc->sm->sm_type == XFS_SCRUB_TYPE_HEALTHY && - !(sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) { - xchk_mark_all_healthy(sc->mp); + if (sc->sm->sm_type == XFS_SCRUB_TYPE_HEALTHY) { + if (!(sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) + xchk_mark_all_healthy(sc->mp); return; } diff --git a/fs/xfs/scrub/inode.c b/fs/xfs/scrub/inode.c index 65b13e311916..46e9bf4a4317 100644 --- a/fs/xfs/scrub/inode.c +++ b/fs/xfs/scrub/inode.c @@ -607,7 +607,7 @@ xchk_dinode( } /* di_forkoff */ - if (XFS_DFORK_BOFF(dip) >= mp->m_sb.sb_inodesize) + if (dip->di_forkoff >= (XFS_LITINO(mp) >> 3)) xchk_ino_set_corrupt(sc, ino); if (naextents != 0 && dip->di_forkoff == 0) xchk_ino_set_corrupt(sc, ino); diff --git a/fs/xfs/scrub/inode_repair.c b/fs/xfs/scrub/inode_repair.c index 8bc508336aa5..b87c22146233 100644 --- a/fs/xfs/scrub/inode_repair.c +++ b/fs/xfs/scrub/inode_repair.c @@ -1702,7 +1702,7 @@ xrep_inode_blockcounts( &acount); if (error) return error; - if (count >= sc->mp->m_sb.sb_dblocks) + if (acount >= sc->mp->m_sb.sb_dblocks) return -EFSCORRUPTED; error = xrep_ino_ensure_extent_count(sc, XFS_ATTR_FORK, nextents); diff --git a/fs/xfs/scrub/newbt.c b/fs/xfs/scrub/newbt.c index c82f4631fd9c..584076b2a6ee 100644 --- a/fs/xfs/scrub/newbt.c +++ b/fs/xfs/scrub/newbt.c @@ -193,9 +193,11 @@ xrep_newbt_add_blocks( struct xrep_newbt_resv *resv; int error; - resv = kmalloc_obj(struct xrep_newbt_resv, XCHK_GFP_FLAGS); - if (!resv) - return -ENOMEM; + /* + * We have no way to clean up the allocated space *and* return an + * ENOMEM if we fail to allocate this control structure. + */ + resv = kmalloc_obj(struct xrep_newbt_resv, GFP_KERNEL | __GFP_NOFAIL); INIT_LIST_HEAD(&resv->list); resv->agbno = XFS_FSB_TO_AGBNO(mp, args->fsbno); diff --git a/fs/xfs/scrub/orphanage.c b/fs/xfs/scrub/orphanage.c index 3aca66869b80..21e31eeaa042 100644 --- a/fs/xfs/scrub/orphanage.c +++ b/fs/xfs/scrub/orphanage.c @@ -192,12 +192,16 @@ xrep_orphanage_create( /* Make sure the orphanage is owned by root. */ error = xrep_chown_orphanage(sc, XFS_I(orphanage_inode)); if (error) - goto out_dput_orphanage; + goto out_rele_orphanage; /* Stash the reference for later and bail out. */ sc->orphanage = XFS_I(orphanage_inode); sc->orphanage_ilock_flags = 0; + orphanage_inode = NULL; +out_rele_orphanage: + if (orphanage_inode) + xchk_irele(sc, XFS_I(orphanage_inode)); out_dput_orphanage: end_creating(orphanage_dentry); out_dput_root: diff --git a/fs/xfs/scrub/reap.c b/fs/xfs/scrub/reap.c index f698b9be3dd1..0dfe61bafc6a 100644 --- a/fs/xfs/scrub/reap.c +++ b/fs/xfs/scrub/reap.c @@ -172,7 +172,7 @@ static inline bool xreap_is_dirty(const struct xreap_state *rs) } /* - * Decide if we need to roll the transaction to clear out the the log + * Decide if we need to roll the transaction to clear out the log * reservation that we allocated to buffer invalidations. */ static inline bool xreap_want_binval_roll(const struct xreap_state *rs) diff --git a/fs/xfs/scrub/repair.c b/fs/xfs/scrub/repair.c index 11697a8b2a1d..c2a437416227 100644 --- a/fs/xfs/scrub/repair.c +++ b/fs/xfs/scrub/repair.c @@ -399,6 +399,7 @@ xrep_calc_rtgroup_resblks( struct xfs_mount *mp = sc->mp; struct xfs_scrub_metadata *sm = sc->sm; uint64_t usedlen; + xfs_extlen_t refcbt_sz = 0; xfs_extlen_t rmapbt_sz = 0; if (!(sm->sm_flags & XFS_SCRUB_IFLAG_REPAIR)) @@ -411,13 +412,27 @@ xrep_calc_rtgroup_resblks( usedlen = xfs_rtbxlen_to_blen(mp, xfs_rtgroup_extents(mp, sm->sm_agno)); ASSERT(usedlen <= XFS_MAX_RGBLOCKS); + if (xfs_has_reflink(mp)) + refcbt_sz = xfs_rtrefcountbt_calc_size(mp, usedlen); + if (xfs_has_rmapbt(mp)) rmapbt_sz = xfs_rtrmapbt_calc_size(mp, usedlen); + /* + * Guess how many blocks we need to rebuild the rmapbt. For + * non-reflink filesystems we can't have more records than used blocks. + * However, with reflink it's possible to have more than one rmap + * record per rtgroup block. We don't know how many rmaps there could + * be in the rtgroup, so we start off with what we hope is an generous + * over-estimation. + */ + if (refcbt_sz > 0 && rmapbt_sz > 0) + rmapbt_sz *= 2; + trace_xrep_calc_rtgroup_resblks_btsize(mp, sm->sm_agno, usedlen, - rmapbt_sz); + rmapbt_sz, refcbt_sz); - return rmapbt_sz; + return max(rmapbt_sz, refcbt_sz); } #endif /* CONFIG_XFS_RT */ diff --git a/fs/xfs/scrub/rmap.c b/fs/xfs/scrub/rmap.c index 0cd3eecd2ca5..68e2847c962b 100644 --- a/fs/xfs/scrub/rmap.c +++ b/fs/xfs/scrub/rmap.c @@ -493,11 +493,18 @@ out: * If there's an error, set XFAIL and disable the bitmap * cross-referencing checks, but proceed with the scrub anyway. */ - if (error) - xchk_btree_xref_process_error(sc, sc->sa.rmap_cur, - sc->sa.rmap_cur->bc_nlevels - 1, &error); - else - cr->bitmaps_complete = true; + if (error) { + if (!xchk_btree_xref_process_error(sc, sc->sa.rmap_cur, + sc->sa.rmap_cur->bc_nlevels - 1, &error)) { + /* only set incomplete if we didn't set xfail */ + if (error) + xchk_set_incomplete(sc); + } + + return 0; + } + + cr->bitmaps_complete = true; return 0; } @@ -567,7 +574,8 @@ xchk_rmapbt( if (error) goto out; - xchk_rmapbt_check_bitmaps(sc, cr); + if (cr->bitmaps_complete) + xchk_rmapbt_check_bitmaps(sc, cr); out: xagb_bitmap_destroy(&cr->refcbt_owned); diff --git a/fs/xfs/scrub/rmap_repair.c b/fs/xfs/scrub/rmap_repair.c index 590f9f41856e..725035bf4903 100644 --- a/fs/xfs/scrub/rmap_repair.c +++ b/fs/xfs/scrub/rmap_repair.c @@ -1109,6 +1109,7 @@ xrep_rmap_try_reserve( return error; error = xfs_agfl_walk(sc->mp, agf, agfl_bp, xrep_rmap_walk_agfl, &ra); + xfs_trans_brelse(sc->tp, agfl_bp); if (error) return error; diff --git a/fs/xfs/scrub/scrub.h b/fs/xfs/scrub/scrub.h index 737a5d6db15f..b093945f3631 100644 --- a/fs/xfs/scrub/scrub.h +++ b/fs/xfs/scrub/scrub.h @@ -40,7 +40,7 @@ static inline int xchk_maybe_relax(struct xchk_relax *widget) return 0; widget->resched_nr = 0; - if (unlikely(widget->next_resched <= jiffies)) { + if (unlikely(time_after_eq(jiffies, widget->next_resched))) { cond_resched(); widget->next_resched = XCHK_RELAX_NEXT; } diff --git a/fs/xfs/scrub/trace.h b/fs/xfs/scrub/trace.h index 0f5adc293962..cb85f75ce101 100644 --- a/fs/xfs/scrub/trace.h +++ b/fs/xfs/scrub/trace.h @@ -2376,25 +2376,29 @@ TRACE_EVENT(xrep_calc_ag_resblks_btsize, #ifdef CONFIG_XFS_RT TRACE_EVENT(xrep_calc_rtgroup_resblks_btsize, TP_PROTO(struct xfs_mount *mp, xfs_rgnumber_t rgno, - xfs_rgblock_t usedlen, xfs_rgblock_t rmapbt_sz), - TP_ARGS(mp, rgno, usedlen, rmapbt_sz), + xfs_rgblock_t usedlen, xfs_rgblock_t rmapbt_sz, + xfs_rgblock_t refcbt_sz), + TP_ARGS(mp, rgno, usedlen, rmapbt_sz, refcbt_sz), TP_STRUCT__entry( __field(dev_t, dev) __field(xfs_rgnumber_t, rgno) __field(xfs_rgblock_t, usedlen) __field(xfs_rgblock_t, rmapbt_sz) + __field(xfs_rgblock_t, refcbt_sz) ), TP_fast_assign( __entry->dev = mp->m_super->s_dev; __entry->rgno = rgno; __entry->usedlen = usedlen; __entry->rmapbt_sz = rmapbt_sz; + __entry->refcbt_sz = refcbt_sz; ), - TP_printk("dev %d:%d rgno 0x%x usedlen %u rmapbt %u", + TP_printk("dev %d:%d rgno 0x%x usedlen %u rmapbt %u refcountbt %u", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rgno, __entry->usedlen, - __entry->rmapbt_sz) + __entry->rmapbt_sz, + __entry->refcbt_sz) ); #endif /* CONFIG_XFS_RT */ diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c index 89f6e79a955f..aa5b41629747 100644 --- a/fs/xfs/xfs_bmap_item.c +++ b/fs/xfs/xfs_bmap_item.c @@ -339,7 +339,7 @@ xfs_bmap_update_get_group( /* * Bump the intent count on behalf of the deferred rmap and refcount - * intent items that that we can queue when we finish this bmap work. + * intent items that we can queue when we finish this bmap work. * This new intent item will bump the intent count before the bmap * intent drops the intent count, ensuring that the intent count * remains nonzero across the transaction roll. diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c index b4f6c594808c..e696ee36c2e8 100644 --- a/fs/xfs/xfs_dquot.c +++ b/fs/xfs/xfs_dquot.c @@ -139,10 +139,14 @@ xfs_qm_adjust_dqlimits( dq->q_ino.softlimit = defq->ino.soft; if (!dq->q_ino.hardlimit) dq->q_ino.hardlimit = defq->ino.hard; - if (!dq->q_rtb.softlimit) + if (!dq->q_rtb.softlimit) { dq->q_rtb.softlimit = defq->rtb.soft; - if (!dq->q_rtb.hardlimit) + prealloc = 1; + } + if (!dq->q_rtb.hardlimit) { dq->q_rtb.hardlimit = defq->rtb.hard; + prealloc = 1; + } if (prealloc) xfs_dquot_set_prealloc_limits(dq); diff --git a/fs/xfs/xfs_exchrange.c b/fs/xfs/xfs_exchrange.c index c69ecd6a19de..fafb4e3f065c 100644 --- a/fs/xfs/xfs_exchrange.c +++ b/fs/xfs/xfs_exchrange.c @@ -633,6 +633,9 @@ xfs_exchrange_prep( if (error) return error; + if (fxr->flags & XFS_EXCHANGE_RANGE_DRY_RUN) + return 0; + trace_xfs_exchrange_flush(fxr, ip1, ip2); /* Flush the relevant ranges of both files. */ @@ -709,9 +712,11 @@ xfs_exchrange_contents( * other file write would do. This may involve turning on support for * logged xattrs if either file has security capabilities. */ - error = xfs_exchange_range_finish(fxr); - if (error) - goto out_unlock; + if (!(fxr->flags & XFS_EXCHANGE_RANGE_DRY_RUN)) { + error = xfs_exchange_range_finish(fxr); + if (error) + goto out_unlock; + } out_unlock: xfs_iunlock2_io_mmap(ip1, ip2); @@ -902,7 +907,7 @@ xfs_ioc_commit_range( if (copy_from_user(&args, argp, sizeof(args))) return -EFAULT; - if (args.flags & ~XFS_EXCHANGE_RANGE_ALL_FLAGS) + if (args.pad || (args.flags & ~XFS_EXCHANGE_RANGE_ALL_FLAGS)) return -EINVAL; if (kern_f->magic != XCR_FRESH_MAGIC) return -EBUSY; diff --git a/fs/xfs/xfs_healthmon.c b/fs/xfs/xfs_healthmon.c index c3749675ef19..2bdd747f1ead 100644 --- a/fs/xfs/xfs_healthmon.c +++ b/fs/xfs/xfs_healthmon.c @@ -247,7 +247,9 @@ xfs_healthmon_merge_events( case XFS_HEALTHMON_DIOWRITE: case XFS_HEALTHMON_DATALOST: /* logically adjacent file ranges can merge */ - if (existing->fino != new->fino || existing->fgen != new->fgen) + if (existing->fino != new->fino || + existing->fgen != new->fgen || + existing->error != new->error) return false; if (existing->fpos + existing->flen == new->fpos) { diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index 82dac88e3c4c..de8be344e987 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -1653,7 +1653,7 @@ xfs_blockgc_free_dquots( do_work = true; } - if (XFS_IS_UQUOTA_ENFORCED(mp) && gdqp && xfs_dquot_lowsp(gdqp)) { + if (XFS_IS_GQUOTA_ENFORCED(mp) && gdqp && xfs_dquot_lowsp(gdqp)) { icw.icw_gid = make_kgid(mp->m_super->s_user_ns, gdqp->q_id); icw.icw_flags |= XFS_ICWALK_FLAG_GID; do_work = true; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index 030a7c8f2c12..621513d7215e 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -2669,7 +2669,7 @@ xfs_irele( } /* - * Ensure all commited transactions touching the inode are written to the log. + * Ensure all committed transactions touching the inode are written to the log. */ int xfs_log_force_inode( diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c index f9e07a32f60f..9446ac44ba88 100644 --- a/fs/xfs/xfs_log_cil.c +++ b/fs/xfs/xfs_log_cil.c @@ -1370,7 +1370,7 @@ xlog_cil_cleanup_whiteouts( * allocation context. However, we do not want to block on memory reclaim * recursing back into the filesystem because this push may have been triggered * by memory reclaim itself. Hence we really need to run under full GFP_NOFS - * contraints here. + * constraints here. */ static void xlog_cil_push_work( diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index e7e49529658b..cf0d610265fe 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -2736,12 +2736,13 @@ xlog_recover_iunlink_bucket( { struct xfs_mount *mp = pag_mount(pag); struct xfs_inode *prev_ip = NULL; - struct xfs_inode *ip; xfs_agino_t prev_agino, agino; int error = 0; agino = be32_to_cpu(agi->agi_unlinked[bucket]); while (agino != NULLAGINO) { + struct xfs_inode *ip; + error = xfs_iget(mp, NULL, xfs_agino_to_ino(pag, agino), 0, 0, &ip); if (error) @@ -2750,11 +2751,11 @@ xlog_recover_iunlink_bucket( ASSERT(VFS_I(ip)->i_nlink == 0); ASSERT(VFS_I(ip)->i_mode != 0); xfs_iflags_clear(ip, XFS_IRECOVERY); - agino = ip->i_next_unlinked; if (prev_ip) { ip->i_prev_unlinked = prev_agino; xfs_irele(prev_ip); + prev_ip = NULL; /* * Ensure the inode is removed from the unlinked list @@ -2766,18 +2767,20 @@ xlog_recover_iunlink_bucket( * complete. */ error = xfs_inodegc_flush(mp); - if (error) - break; + if (error) { + xfs_irele(ip); + return error; + } } prev_agino = agino; + agino = ip->i_next_unlinked; prev_ip = ip; } if (prev_ip) { int error2; - ip->i_prev_unlinked = prev_agino; xfs_irele(prev_ip); error2 = xfs_inodegc_flush(mp); diff --git a/fs/xfs/xfs_platform.h b/fs/xfs/xfs_platform.h index 5d542e95fe44..745d715b4c64 100644 --- a/fs/xfs/xfs_platform.h +++ b/fs/xfs/xfs_platform.h @@ -153,7 +153,7 @@ static inline void delay(long ticks) /* * XFS wrapper structure for sysfs support. It depends on external data * structures and is embedded in various internal data structures to implement - * the XFS sysfs object heirarchy. Define it here for broad access throughout + * the XFS sysfs object hierarchy. Define it here for broad access throughout * the codebase. */ struct xfs_kobj { diff --git a/fs/xfs/xfs_qm.c b/fs/xfs/xfs_qm.c index 99a82107b8e6..54d00d543b51 100644 --- a/fs/xfs/xfs_qm.c +++ b/fs/xfs/xfs_qm.c @@ -1432,16 +1432,22 @@ xfs_qm_flush_one( error = xfs_dquot_use_attached_buf(dqp, &bp); if (error) - goto out_unlock; + goto out_dqflock; if (!bp) { error = -EFSCORRUPTED; - goto out_unlock; + goto out_dqflock; } error = xfs_qm_dqflush(dqp, bp); if (!error) xfs_buf_delwri_queue(bp, buffer_list); xfs_buf_relse(bp); + mutex_unlock(&dqp->q_qlock); + xfs_qm_dqrele(dqp); + return error; + +out_dqflock: + xfs_dqfunlock(dqp); out_unlock: mutex_unlock(&dqp->q_qlock); xfs_qm_dqrele(dqp); diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c index 8bccf89a7766..682c6e1b45e3 100644 --- a/fs/xfs/xfs_refcount_item.c +++ b/fs/xfs/xfs_refcount_item.c @@ -508,6 +508,7 @@ xfs_refcount_recover_work( struct xfs_cui_log_item *cuip = CUI_ITEM(lip); struct xfs_trans *tp; struct xfs_mount *mp = lip->li_log->l_mp; + unsigned int dblocks; bool isrt = xfs_cui_item_isrt(lip); int i; int error = 0; @@ -543,8 +544,11 @@ xfs_refcount_recover_work( * full btree split on either end of the refcount range. */ resv = xlog_recover_resv(&M_RES(mp)->tr_itruncate); - error = xfs_trans_alloc(mp, &resv, mp->m_refc_maxlevels * 2, 0, - XFS_TRANS_RESERVE, &tp); + if (isrt) + dblocks = mp->m_rtrefc_maxlevels * 2; + else + dblocks = mp->m_refc_maxlevels * 2; + error = xfs_trans_alloc(mp, &resv, dblocks, 0, XFS_TRANS_RESERVE, &tp); if (error) return error; diff --git a/fs/xfs/xfs_reflink.h b/fs/xfs/xfs_reflink.h index 9d1ed9bb0bee..683c1841e640 100644 --- a/fs/xfs/xfs_reflink.h +++ b/fs/xfs/xfs_reflink.h @@ -48,9 +48,6 @@ extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset, int xfs_reflink_end_atomic_cow(struct xfs_inode *ip, xfs_off_t offset, xfs_off_t count); extern int xfs_reflink_recover_cow(struct xfs_mount *mp); -extern loff_t xfs_reflink_remap_range(struct file *file_in, loff_t pos_in, - struct file *file_out, loff_t pos_out, loff_t len, - unsigned int remap_flags); extern int xfs_reflink_inode_has_shared_extents(struct xfs_trans *tp, struct xfs_inode *ip, bool *has_shared); extern int xfs_reflink_clear_inode_flag(struct xfs_inode *ip, diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c index 2a3a73a8566d..000cff1ce324 100644 --- a/fs/xfs/xfs_rmap_item.c +++ b/fs/xfs/xfs_rmap_item.c @@ -573,6 +573,7 @@ xfs_rmap_recover_work( struct xfs_rui_log_item *ruip = RUI_ITEM(lip); struct xfs_trans *tp; struct xfs_mount *mp = lip->li_log->l_mp; + unsigned int dblocks; bool isrt = xfs_rui_item_isrt(lip); int i; int error = 0; @@ -596,8 +597,11 @@ xfs_rmap_recover_work( } resv = xlog_recover_resv(&M_RES(mp)->tr_itruncate); - error = xfs_trans_alloc(mp, &resv, mp->m_rmap_maxlevels, 0, - XFS_TRANS_RESERVE, &tp); + if (isrt) + dblocks = mp->m_rtrmap_maxlevels; + else + dblocks = mp->m_rmap_maxlevels; + error = xfs_trans_alloc(mp, &resv, dblocks, 0, XFS_TRANS_RESERVE, &tp); if (error) return error; diff --git a/fs/xfs/xfs_zone_alloc.c b/fs/xfs/xfs_zone_alloc.c index 28c1e48909fa..b75cf3bfe33c 100644 --- a/fs/xfs/xfs_zone_alloc.c +++ b/fs/xfs/xfs_zone_alloc.c @@ -820,7 +820,7 @@ xfs_get_cached_zone( spin_unlock(&ip->i_flags_lock); } - if (!atomic_inc_not_zero(&oz->oz_ref)) + if (oz && !atomic_inc_not_zero(&oz->oz_ref)) oz = NULL; out_unlock: rcu_read_unlock(); @@ -828,7 +828,7 @@ out_unlock: } /* - * Stash our zone in the inode so that is is reused for future allocations. + * Stash our zone in the inode so that it is reused for future allocations. * * The open_zone structure will be pinned until either the inode is freed or * until the cached open zone is replaced with a different one because the diff --git a/fs/xfs/xfs_zone_gc.c b/fs/xfs/xfs_zone_gc.c index 5fdcf98a2133..54b70ed2922f 100644 --- a/fs/xfs/xfs_zone_gc.c +++ b/fs/xfs/xfs_zone_gc.c @@ -46,7 +46,7 @@ * before remapping. * * Once a zone does not contain any valid data, be that through GC or user - * block removal, it is queued for for a zone reset. The reset operation + * block removal, it is queued for a zone reset. The reset operation * carefully ensures that the RT device cache is flushed and all transactions * referencing the rmap have been committed to disk. */ |
