summaryrefslogtreecommitdiff
path: root/fs/xfs/linux-2.6
diff options
context:
space:
mode:
Diffstat (limited to 'fs/xfs/linux-2.6')
-rw-r--r--fs/xfs/linux-2.6/mutex.h25
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.c39
-rw-r--r--fs/xfs/linux-2.6/xfs_aops.h1
-rw-r--r--fs/xfs/linux-2.6/xfs_buf.c9
-rw-r--r--fs/xfs/linux-2.6/xfs_file.c4
-rw-r--r--fs/xfs/linux-2.6/xfs_fs_subr.c14
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl.c130
-rw-r--r--fs/xfs/linux-2.6/xfs_ioctl32.c12
-rw-r--r--fs/xfs/linux-2.6/xfs_iops.c37
-rw-r--r--fs/xfs/linux-2.6/xfs_linux.h13
-rw-r--r--fs/xfs/linux-2.6/xfs_lrw.c18
-rw-r--r--fs/xfs/linux-2.6/xfs_quotaops.c157
-rw-r--r--fs/xfs/linux-2.6/xfs_super.c137
-rw-r--r--fs/xfs/linux-2.6/xfs_super.h1
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c78
-rw-r--r--fs/xfs/linux-2.6/xfs_sync.h10
-rw-r--r--fs/xfs/linux-2.6/xfs_vnode.h32
17 files changed, 369 insertions, 348 deletions
diff --git a/fs/xfs/linux-2.6/mutex.h b/fs/xfs/linux-2.6/mutex.h
deleted file mode 100644
index 2a88d56c4dc2..000000000000
--- a/fs/xfs/linux-2.6/mutex.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- */
-#ifndef __XFS_SUPPORT_MUTEX_H__
-#define __XFS_SUPPORT_MUTEX_H__
-
-#include <linux/mutex.h>
-
-typedef struct mutex mutex_t;
-
-#endif /* __XFS_SUPPORT_MUTEX_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index de3a198f771e..7ec89fc05b2b 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -153,23 +153,6 @@ xfs_find_bdev_for_inode(
}
/*
- * Schedule IO completion handling on a xfsdatad if this was
- * the final hold on this ioend. If we are asked to wait,
- * flush the workqueue.
- */
-STATIC void
-xfs_finish_ioend(
- xfs_ioend_t *ioend,
- int wait)
-{
- if (atomic_dec_and_test(&ioend->io_remaining)) {
- queue_work(xfsdatad_workqueue, &ioend->io_work);
- if (wait)
- flush_workqueue(xfsdatad_workqueue);
- }
-}
-
-/*
* We're now finished for good with this ioend structure.
* Update the page state via the associated buffer_heads,
* release holds on the inode and bio, and finally free
@@ -310,6 +293,27 @@ xfs_end_bio_read(
}
/*
+ * Schedule IO completion handling on a xfsdatad if this was
+ * the final hold on this ioend. If we are asked to wait,
+ * flush the workqueue.
+ */
+STATIC void
+xfs_finish_ioend(
+ xfs_ioend_t *ioend,
+ int wait)
+{
+ if (atomic_dec_and_test(&ioend->io_remaining)) {
+ struct workqueue_struct *wq = xfsdatad_workqueue;
+ if (ioend->io_work.func == xfs_end_bio_unwritten)
+ wq = xfsconvertd_workqueue;
+
+ queue_work(wq, &ioend->io_work);
+ if (wait)
+ flush_workqueue(wq);
+ }
+}
+
+/*
* Allocate and initialise an IO completion structure.
* We need to track unwritten extent write completion here initially.
* We'll need to extend this for updating the ondisk inode size later
@@ -1623,4 +1627,5 @@ const struct address_space_operations xfs_address_space_operations = {
.bmap = xfs_vm_bmap,
.direct_IO = xfs_vm_direct_IO,
.migratepage = buffer_migrate_page,
+ .is_partially_uptodate = block_is_partially_uptodate,
};
diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h
index 1dd528849755..221b3e66ceef 100644
--- a/fs/xfs/linux-2.6/xfs_aops.h
+++ b/fs/xfs/linux-2.6/xfs_aops.h
@@ -19,6 +19,7 @@
#define __XFS_AOPS_H__
extern struct workqueue_struct *xfsdatad_workqueue;
+extern struct workqueue_struct *xfsconvertd_workqueue;
extern mempool_t *xfs_ioend_pool;
/*
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index aa1016bb9134..e28800a9f2b5 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -51,6 +51,7 @@ static struct shrinker xfs_buf_shake = {
static struct workqueue_struct *xfslogd_workqueue;
struct workqueue_struct *xfsdatad_workqueue;
+struct workqueue_struct *xfsconvertd_workqueue;
#ifdef XFS_BUF_TRACE
void
@@ -1775,6 +1776,7 @@ xfs_flush_buftarg(
xfs_buf_t *bp, *n;
int pincount = 0;
+ xfs_buf_runall_queues(xfsconvertd_workqueue);
xfs_buf_runall_queues(xfsdatad_workqueue);
xfs_buf_runall_queues(xfslogd_workqueue);
@@ -1831,9 +1833,15 @@ xfs_buf_init(void)
if (!xfsdatad_workqueue)
goto out_destroy_xfslogd_workqueue;
+ xfsconvertd_workqueue = create_workqueue("xfsconvertd");
+ if (!xfsconvertd_workqueue)
+ goto out_destroy_xfsdatad_workqueue;
+
register_shrinker(&xfs_buf_shake);
return 0;
+ out_destroy_xfsdatad_workqueue:
+ destroy_workqueue(xfsdatad_workqueue);
out_destroy_xfslogd_workqueue:
destroy_workqueue(xfslogd_workqueue);
out_free_buf_zone:
@@ -1849,6 +1857,7 @@ void
xfs_buf_terminate(void)
{
unregister_shrinker(&xfs_buf_shake);
+ destroy_workqueue(xfsconvertd_workqueue);
destroy_workqueue(xfsdatad_workqueue);
destroy_workqueue(xfslogd_workqueue);
kmem_zone_destroy(xfs_buf_zone);
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index e14c4e3aea0c..f4e255441574 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -234,9 +234,9 @@ xfs_file_mmap(
STATIC int
xfs_vm_page_mkwrite(
struct vm_area_struct *vma,
- struct page *page)
+ struct vm_fault *vmf)
{
- return block_page_mkwrite(vma, page, xfs_get_blocks);
+ return block_page_mkwrite(vma, vmf, xfs_get_blocks);
}
const struct file_operations xfs_file_operations = {
diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c
index 5aeb77776961..08be36d7326c 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/linux-2.6/xfs_fs_subr.c
@@ -74,14 +74,14 @@ xfs_flush_pages(
if (mapping_tagged(mapping, PAGECACHE_TAG_DIRTY)) {
xfs_iflags_clear(ip, XFS_ITRUNCATED);
- ret = filemap_fdatawrite(mapping);
- if (flags & XFS_B_ASYNC)
- return -ret;
- ret2 = filemap_fdatawait(mapping);
- if (!ret)
- ret = ret2;
+ ret = -filemap_fdatawrite(mapping);
}
- return -ret;
+ if (flags & XFS_B_ASYNC)
+ return ret;
+ ret2 = xfs_wait_on_pages(ip, first, last);
+ if (!ret)
+ ret = ret2;
+ return ret;
}
int
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 4bd112313f33..34eaab608e6e 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -34,6 +34,7 @@
#include "xfs_dir2_sf.h"
#include "xfs_dinode.h"
#include "xfs_inode.h"
+#include "xfs_ioctl.h"
#include "xfs_btree.h"
#include "xfs_ialloc.h"
#include "xfs_rtalloc.h"
@@ -78,92 +79,74 @@ xfs_find_handle(
int hsize;
xfs_handle_t handle;
struct inode *inode;
+ struct file *file = NULL;
+ struct path path;
+ int error;
+ struct xfs_inode *ip;
- memset((char *)&handle, 0, sizeof(handle));
-
- switch (cmd) {
- case XFS_IOC_PATH_TO_FSHANDLE:
- case XFS_IOC_PATH_TO_HANDLE: {
- struct path path;
- int error = user_lpath((const char __user *)hreq->path, &path);
- if (error)
- return error;
-
- ASSERT(path.dentry);
- ASSERT(path.dentry->d_inode);
- inode = igrab(path.dentry->d_inode);
- path_put(&path);
- break;
- }
-
- case XFS_IOC_FD_TO_HANDLE: {
- struct file *file;
-
+ if (cmd == XFS_IOC_FD_TO_HANDLE) {
file = fget(hreq->fd);
if (!file)
- return -EBADF;
-
- ASSERT(file->f_path.dentry);
- ASSERT(file->f_path.dentry->d_inode);
- inode = igrab(file->f_path.dentry->d_inode);
- fput(file);
- break;
+ return -EBADF;
+ inode = file->f_path.dentry->d_inode;
+ } else {
+ error = user_lpath((const char __user *)hreq->path, &path);
+ if (error)
+ return error;
+ inode = path.dentry->d_inode;
}
+ ip = XFS_I(inode);
- default:
- ASSERT(0);
- return -XFS_ERROR(EINVAL);
- }
+ /*
+ * We can only generate handles for inodes residing on a XFS filesystem,
+ * and only for regular files, directories or symbolic links.
+ */
+ error = -EINVAL;
+ if (inode->i_sb->s_magic != XFS_SB_MAGIC)
+ goto out_put;
- if (inode->i_sb->s_magic != XFS_SB_MAGIC) {
- /* we're not in XFS anymore, Toto */
- iput(inode);
- return -XFS_ERROR(EINVAL);
- }
+ error = -EBADF;
+ if (!S_ISREG(inode->i_mode) &&
+ !S_ISDIR(inode->i_mode) &&
+ !S_ISLNK(inode->i_mode))
+ goto out_put;
- switch (inode->i_mode & S_IFMT) {
- case S_IFREG:
- case S_IFDIR:
- case S_IFLNK:
- break;
- default:
- iput(inode);
- return -XFS_ERROR(EBADF);
- }
- /* now we can grab the fsid */
- memcpy(&handle.ha_fsid, XFS_I(inode)->i_mount->m_fixedfsid,
- sizeof(xfs_fsid_t));
- hsize = sizeof(xfs_fsid_t);
+ memcpy(&handle.ha_fsid, ip->i_mount->m_fixedfsid, sizeof(xfs_fsid_t));
- if (cmd != XFS_IOC_PATH_TO_FSHANDLE) {
- xfs_inode_t *ip = XFS_I(inode);
+ if (cmd == XFS_IOC_PATH_TO_FSHANDLE) {
+ /*
+ * This handle only contains an fsid, zero the rest.
+ */
+ memset(&handle.ha_fid, 0, sizeof(handle.ha_fid));
+ hsize = sizeof(xfs_fsid_t);
+ } else {
int lock_mode;
- /* need to get access to the xfs_inode to read the generation */
lock_mode = xfs_ilock_map_shared(ip);
-
- /* fill in fid section of handle from inode */
handle.ha_fid.fid_len = sizeof(xfs_fid_t) -
sizeof(handle.ha_fid.fid_len);
handle.ha_fid.fid_pad = 0;
handle.ha_fid.fid_gen = ip->i_d.di_gen;
handle.ha_fid.fid_ino = ip->i_ino;
-
xfs_iunlock_map_shared(ip, lock_mode);
hsize = XFS_HSIZE(handle);
}
- /* now copy our handle into the user buffer & write out the size */
+ error = -EFAULT;
if (copy_to_user(hreq->ohandle, &handle, hsize) ||
- copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) {
- iput(inode);
- return -XFS_ERROR(EFAULT);
- }
+ copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32)))
+ goto out_put;
- iput(inode);
- return 0;
+ error = 0;
+
+ out_put:
+ if (cmd == XFS_IOC_FD_TO_HANDLE)
+ fput(file);
+ else
+ path_put(&path);
+ return error;
}
/*
@@ -506,17 +489,12 @@ xfs_attrmulti_attr_set(
if (len > XATTR_SIZE_MAX)
return EINVAL;
- kbuf = kmalloc(len, GFP_KERNEL);
- if (!kbuf)
- return ENOMEM;
-
- if (copy_from_user(kbuf, ubuf, len))
- goto out_kfree;
+ kbuf = memdup_user(ubuf, len);
+ if (IS_ERR(kbuf))
+ return PTR_ERR(kbuf);
error = xfs_attr_set(XFS_I(inode), name, kbuf, len, flags);
- out_kfree:
- kfree(kbuf);
return error;
}
@@ -557,20 +535,16 @@ xfs_attrmulti_by_handle(
if (!size || size > 16 * PAGE_SIZE)
goto out_dput;
- error = ENOMEM;
- ops = kmalloc(size, GFP_KERNEL);
- if (!ops)
+ ops = memdup_user(am_hreq.ops, size);
+ if (IS_ERR(ops)) {
+ error = PTR_ERR(ops);
goto out_dput;
-
- error = EFAULT;
- if (copy_from_user(ops, am_hreq.ops, size))
- goto out_kfree_ops;
+ }
attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL);
if (!attr_name)
goto out_kfree_ops;
-
error = 0;
for (i = 0; i < am_hreq.opcount; i++) {
ops[i].am_error = strncpy_from_user(attr_name,
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index c70c4e3db790..0882d166239a 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -427,20 +427,16 @@ xfs_compat_attrmulti_by_handle(
if (!size || size > 16 * PAGE_SIZE)
goto out_dput;
- error = ENOMEM;
- ops = kmalloc(size, GFP_KERNEL);
- if (!ops)
+ ops = memdup_user(compat_ptr(am_hreq.ops), size);
+ if (IS_ERR(ops)) {
+ error = PTR_ERR(ops);
goto out_dput;
-
- error = EFAULT;
- if (copy_from_user(ops, compat_ptr(am_hreq.ops), size))
- goto out_kfree_ops;
+ }
attr_name = kmalloc(MAXNAMELEN, GFP_KERNEL);
if (!attr_name)
goto out_kfree_ops;
-
error = 0;
for (i = 0; i < am_hreq.opcount; i++) {
ops[i].am_error = strncpy_from_user(attr_name,
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 7aa53fefc67f..6075382336d7 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -211,8 +211,13 @@ xfs_vn_mknod(
* Irix uses Missed'em'V split, but doesn't want to see
* the upper 5 bits of (14bit) major.
*/
- if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
- return -EINVAL;
+ if (S_ISCHR(mode) || S_ISBLK(mode)) {
+ if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
+ return -EINVAL;
+ rdev = sysv_encode_dev(rdev);
+ } else {
+ rdev = 0;
+ }
if (test_default_acl && test_default_acl(dir)) {
if (!_ACL_ALLOC(default_acl)) {
@@ -224,28 +229,11 @@ xfs_vn_mknod(
}
}
- xfs_dentry_to_name(&name, dentry);
-
if (IS_POSIXACL(dir) && !default_acl)
- mode &= ~current->fs->umask;
-
- switch (mode & S_IFMT) {
- case S_IFCHR:
- case S_IFBLK:
- case S_IFIFO:
- case S_IFSOCK:
- rdev = sysv_encode_dev(rdev);
- case S_IFREG:
- error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
- break;
- case S_IFDIR:
- error = xfs_mkdir(XFS_I(dir), &name, mode, &ip, NULL);
- break;
- default:
- error = EINVAL;
- break;
- }
+ mode &= ~current_umask();
+ xfs_dentry_to_name(&name, dentry);
+ error = xfs_create(XFS_I(dir), &name, mode, rdev, &ip, NULL);
if (unlikely(error))
goto out_free_acl;
@@ -416,7 +404,7 @@ xfs_vn_symlink(
mode_t mode;
mode = S_IFLNK |
- (irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);
+ (irix_symlink_mode ? 0777 & ~current_umask() : S_IRWXUGO);
xfs_dentry_to_name(&name, dentry);
error = xfs_symlink(XFS_I(dir), &name, symname, mode, &cip, NULL);
@@ -553,9 +541,6 @@ xfs_vn_getattr(
stat->uid = ip->i_d.di_uid;
stat->gid = ip->i_d.di_gid;
stat->ino = ip->i_ino;
-#if XFS_BIG_INUMS
- stat->ino += mp->m_inoadd;
-#endif
stat->atime = inode->i_atime;
stat->mtime.tv_sec = ip->i_d.di_mtime.t_sec;
stat->mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 507492d6dccd..f65a53f8752f 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -38,7 +38,6 @@
#include <kmem.h>
#include <mrlock.h>
#include <sv.h>
-#include <mutex.h>
#include <time.h>
#include <support/ktrace.h>
@@ -51,6 +50,7 @@
#include <linux/blkdev.h>
#include <linux/slab.h>
#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/file.h>
#include <linux/swap.h>
#include <linux/errno.h>
@@ -147,17 +147,6 @@
#define SYNCHRONIZE() barrier()
#define __return_address __builtin_return_address(0)
-/*
- * IRIX (BSD) quotactl makes use of separate commands for user/group,
- * whereas on Linux the syscall encodes this information into the cmd
- * field (see the QCMD macro in quota.h). These macros help keep the
- * code portable - they are not visible from the syscall interface.
- */
-#define Q_XSETGQLIM XQM_CMD(8) /* set groups disk limits */
-#define Q_XGETGQUOTA XQM_CMD(9) /* get groups disk limits */
-#define Q_XSETPQLIM XQM_CMD(10) /* set projects disk limits */
-#define Q_XGETPQUOTA XQM_CMD(11) /* get projects disk limits */
-
#define dfltprid 0
#define MAXPATHLEN 1024
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 7e90daa0d1d1..9142192ccbe6 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -751,10 +751,26 @@ start:
goto relock;
}
} else {
+ int enospc = 0;
+ ssize_t ret2 = 0;
+
+write_retry:
xfs_rw_enter_trace(XFS_WRITE_ENTER, xip, (void *)iovp, segs,
*offset, ioflags);
- ret = generic_file_buffered_write(iocb, iovp, segs,
+ ret2 = generic_file_buffered_write(iocb, iovp, segs,
pos, offset, count, ret);
+ /*
+ * if we just got an ENOSPC, flush the inode now we
+ * aren't holding any page locks and retry *once*
+ */
+ if (ret2 == -ENOSPC && !enospc) {
+ error = xfs_flush_pages(xip, 0, -1, 0, FI_NONE);
+ if (error)
+ goto out_unlock_internal;
+ enospc = 1;
+ goto write_retry;
+ }
+ ret = ret2;
}
current->backing_dev_info = NULL;
diff --git a/fs/xfs/linux-2.6/xfs_quotaops.c b/fs/xfs/linux-2.6/xfs_quotaops.c
new file mode 100644
index 000000000000..94d9a633d3d9
--- /dev/null
+++ b/fs/xfs/linux-2.6/xfs_quotaops.c
@@ -0,0 +1,157 @@
+/*
+ * Copyright (c) 2008, Christoph Hellwig
+ * All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+#include "xfs.h"
+#include "xfs_dmapi.h"
+#include "xfs_sb.h"
+#include "xfs_inum.h"
+#include "xfs_ag.h"
+#include "xfs_mount.h"
+#include "xfs_quota.h"
+#include "xfs_log.h"
+#include "xfs_trans.h"
+#include "xfs_bmap_btree.h"
+#include "xfs_inode.h"
+#include "quota/xfs_qm.h"
+#include <linux/quota.h>
+
+
+STATIC int
+xfs_quota_type(int type)
+{
+ switch (type) {
+ case USRQUOTA:
+ return XFS_DQ_USER;
+ case GRPQUOTA:
+ return XFS_DQ_GROUP;
+ default:
+ return XFS_DQ_PROJ;
+ }
+}
+
+STATIC int
+xfs_fs_quota_sync(
+ struct super_block *sb,
+ int type)
+{
+ struct xfs_mount *mp = XFS_M(sb);
+
+ if (!XFS_IS_QUOTA_RUNNING(mp))
+ return -ENOSYS;
+ return -xfs_sync_inodes(mp, SYNC_DELWRI);
+}
+
+STATIC int
+xfs_fs_get_xstate(
+ struct super_block *sb,
+ struct fs_quota_stat *fqs)
+{
+ struct xfs_mount *mp = XFS_M(sb);
+
+ if (!XFS_IS_QUOTA_RUNNING(mp))
+ return -ENOSYS;
+ return -xfs_qm_scall_getqstat(mp, fqs);
+}
+
+STATIC int
+xfs_fs_set_xstate(
+ struct super_block *sb,
+ unsigned int uflags,
+ int op)
+{
+ struct xfs_mount *mp = XFS_M(sb);
+ unsigned int flags = 0;
+
+ if (sb->s_flags & MS_RDONLY)
+ return -EROFS;
+ if (!XFS_IS_QUOTA_RUNNING(mp))
+ return -ENOSYS;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ if (uflags & XFS_QUOTA_UDQ_ACCT)
+ flags |= XFS_UQUOTA_ACCT;
+ if (uflags & XFS_QUOTA_PDQ_ACCT)
+ flags |= XFS_PQUOTA_ACCT;
+ if (uflags & XFS_QUOTA_GDQ_ACCT)
+ flags |= XFS_GQUOTA_ACCT;
+ if (uflags & XFS_QUOTA_UDQ_ENFD)
+ flags |= XFS_UQUOTA_ENFD;
+ if (uflags & (XFS_QUOTA_PDQ_ENFD|XFS_QUOTA_GDQ_ENFD))
+ flags |= XFS_OQUOTA_ENFD;
+
+ switch (op) {
+ case Q_XQUOTAON:
+ return -xfs_qm_scall_quotaon(mp, flags);
+ case Q_XQUOTAOFF:
+ if (!XFS_IS_QUOTA_ON(mp))
+ return -EINVAL;
+ return -xfs_qm_scall_quotaoff(mp, flags);
+ case Q_XQUOTARM:
+ if (XFS_IS_QUOTA_ON(mp))
+ return -EINVAL;
+ return -xfs_qm_scall_trunc_qfiles(mp, flags);
+ }
+
+ return -EINVAL;
+}
+
+STATIC int
+xfs_fs_get_xquota(
+ struct super_block *sb,
+ int type,
+ qid_t id,
+ struct fs_disk_quota *fdq)
+{
+ struct xfs_mount *mp = XFS_M(sb);
+
+ if (!XFS_IS_QUOTA_RUNNING(mp))
+ return -ENOSYS;
+ if (!XFS_IS_QUOTA_ON(mp))
+ return -ESRCH;
+
+ return -xfs_qm_scall_getquota(mp, id, xfs_quota_type(type), fdq);
+}
+
+STATIC int
+xfs_fs_set_xquota(
+ struct super_block *sb,
+ int type,
+ qid_t id,
+ struct fs_disk_quota *fdq)
+{
+ struct xfs_mount *mp = XFS_M(sb);
+
+ if (sb->s_flags & MS_RDONLY)
+ return -EROFS;
+ if (!XFS_IS_QUOTA_RUNNING(mp))
+ return -ENOSYS;
+ if (!XFS_IS_QUOTA_ON(mp))
+ return -ESRCH;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ return -xfs_qm_scall_setqlim(mp, id, xfs_quota_type(type), fdq);
+}
+
+struct quotactl_ops xfs_quotactl_operations = {
+ .quota_sync = xfs_fs_quota_sync,
+ .get_xstate = xfs_fs_get_xstate,
+ .set_xstate = xfs_fs_set_xstate,
+ .get_xquota = xfs_fs_get_xquota,
+ .set_xquota = xfs_fs_set_xquota,
+};
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 32ae5028e96b..bb685269f832 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -68,7 +68,6 @@
#include <linux/freezer.h>
#include <linux/parser.h>
-static struct quotactl_ops xfs_quotactl_operations;
static struct super_operations xfs_super_operations;
static kmem_zone_t *xfs_ioend_zone;
mempool_t *xfs_ioend_pool;
@@ -79,7 +78,6 @@ mempool_t *xfs_ioend_pool;
#define MNTOPT_RTDEV "rtdev" /* realtime I/O device */
#define MNTOPT_BIOSIZE "biosize" /* log2 of preferred buffered io size */
#define MNTOPT_WSYNC "wsync" /* safe-mode nfs compatible mount */
-#define MNTOPT_INO64 "ino64" /* force inodes into 64-bit range */
#define MNTOPT_NOALIGN "noalign" /* turn off stripe alignment */
#define MNTOPT_SWALLOC "swalloc" /* turn on stripe width allocation */
#define MNTOPT_SUNIT "sunit" /* data volume stripe unit */
@@ -180,7 +178,7 @@ xfs_parseargs(
int dswidth = 0;
int iosize = 0;
int dmapi_implies_ikeep = 1;
- uchar_t iosizelog = 0;
+ __uint8_t iosizelog = 0;
/*
* Copy binary VFS mount flags we are interested in.
@@ -291,16 +289,6 @@ xfs_parseargs(
mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
} else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
mp->m_flags |= XFS_MOUNT_NORECOVERY;
- } else if (!strcmp(this_char, MNTOPT_INO64)) {
-#if XFS_BIG_INUMS
- mp->m_flags |= XFS_MOUNT_INO64;
- mp->m_inoadd = XFS_INO64_OFFSET;
-#else
- cmn_err(CE_WARN,
- "XFS: %s option not allowed on this system",
- this_char);
- return EINVAL;
-#endif
} else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
mp->m_flags |= XFS_MOUNT_NOALIGN;
} else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
@@ -529,7 +517,6 @@ xfs_showargs(
/* the few simple ones we can get from the mount struct */
{ XFS_MOUNT_IKEEP, "," MNTOPT_IKEEP },
{ XFS_MOUNT_WSYNC, "," MNTOPT_WSYNC },
- { XFS_MOUNT_INO64, "," MNTOPT_INO64 },
{ XFS_MOUNT_NOALIGN, "," MNTOPT_NOALIGN },
{ XFS_MOUNT_SWALLOC, "," MNTOPT_SWALLOC },
{ XFS_MOUNT_NOUUID, "," MNTOPT_NOUUID },
@@ -634,7 +621,7 @@ xfs_max_file_offset(
return (((__uint64_t)pagefactor) << bitshift) - 1;
}
-int
+STATIC int
xfs_blkdev_get(
xfs_mount_t *mp,
const char *name,
@@ -651,7 +638,7 @@ xfs_blkdev_get(
return -error;
}
-void
+STATIC void
xfs_blkdev_put(
struct block_device *bdev)
{
@@ -872,7 +859,7 @@ xfsaild_wakeup(
wake_up_process(ailp->xa_task);
}
-int
+STATIC int
xfsaild(
void *data)
{
@@ -990,26 +977,57 @@ xfs_fs_write_inode(
int sync)
{
struct xfs_inode *ip = XFS_I(inode);
+ struct xfs_mount *mp = ip->i_mount;
int error = 0;
- int flags = 0;
xfs_itrace_entry(ip);
+
+ if (XFS_FORCED_SHUTDOWN(mp))
+ return XFS_ERROR(EIO);
+
if (sync) {
error = xfs_wait_on_pages(ip, 0, -1);
if (error)
- goto out_error;
- flags |= FLUSH_SYNC;
+ goto out;
}
- error = xfs_inode_flush(ip, flags);
-out_error:
+ /*
+ * Bypass inodes which have already been cleaned by
+ * the inode flush clustering code inside xfs_iflush
+ */
+ if (xfs_inode_clean(ip))
+ goto out;
+
+ /*
+ * We make this non-blocking if the inode is contended, return
+ * EAGAIN to indicate to the caller that they did not succeed.
+ * This prevents the flush path from blocking on inodes inside
+ * another operation right now, they get caught later by xfs_sync.
+ */
+ if (sync) {
+ xfs_ilock(ip, XFS_ILOCK_SHARED);
+ xfs_iflock(ip);
+
+ error = xfs_iflush(ip, XFS_IFLUSH_SYNC);
+ } else {
+ error = EAGAIN;
+ if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED))
+ goto out;
+ if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip))
+ goto out_unlock;
+
+ error = xfs_iflush(ip, XFS_IFLUSH_ASYNC_NOBLOCK);
+ }
+
+ out_unlock:
+ xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ out:
/*
* if we failed to write out the inode then mark
* it dirty again so we'll try again later.
*/
if (error)
xfs_mark_inode_dirty_sync(ip);
-
return -error;
}
@@ -1169,18 +1187,12 @@ xfs_fs_statfs(
statp->f_bfree = statp->f_bavail =
sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
fakeinos = statp->f_bfree << sbp->sb_inopblog;
-#if XFS_BIG_INUMS
- fakeinos += mp->m_inoadd;
-#endif
statp->f_files =
MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
if (mp->m_maxicount)
-#if XFS_BIG_INUMS
- if (!mp->m_inoadd)
-#endif
- statp->f_files = min_t(typeof(statp->f_files),
- statp->f_files,
- mp->m_maxicount);
+ statp->f_files = min_t(typeof(statp->f_files),
+ statp->f_files,
+ mp->m_maxicount);
statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
spin_unlock(&mp->m_sb_lock);
@@ -1302,57 +1314,6 @@ xfs_fs_show_options(
return -xfs_showargs(XFS_M(mnt->mnt_sb), m);
}
-STATIC int
-xfs_fs_quotasync(
- struct super_block *sb,
- int type)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XQUOTASYNC, 0, NULL);
-}
-
-STATIC int
-xfs_fs_getxstate(
- struct super_block *sb,
- struct fs_quota_stat *fqs)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb), Q_XGETQSTAT, 0, (caddr_t)fqs);
-}
-
-STATIC int
-xfs_fs_setxstate(
- struct super_block *sb,
- unsigned int flags,
- int op)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb), op, 0, (caddr_t)&flags);
-}
-
-STATIC int
-xfs_fs_getxquota(
- struct super_block *sb,
- int type,
- qid_t id,
- struct fs_disk_quota *fdq)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb),
- (type == USRQUOTA) ? Q_XGETQUOTA :
- ((type == GRPQUOTA) ? Q_XGETGQUOTA :
- Q_XGETPQUOTA), id, (caddr_t)fdq);
-}
-
-STATIC int
-xfs_fs_setxquota(
- struct super_block *sb,
- int type,
- qid_t id,
- struct fs_disk_quota *fdq)
-{
- return -XFS_QM_QUOTACTL(XFS_M(sb),
- (type == USRQUOTA) ? Q_XSETQLIM :
- ((type == GRPQUOTA) ? Q_XSETGQLIM :
- Q_XSETPQLIM), id, (caddr_t)fdq);
-}
-
/*
* This function fills in xfs_mount_t fields based on mount args.
* Note: the superblock _has_ now been read in.
@@ -1435,7 +1396,9 @@ xfs_fs_fill_super(
sb_min_blocksize(sb, BBSIZE);
sb->s_xattr = xfs_xattr_handlers;
sb->s_export_op = &xfs_export_operations;
+#ifdef CONFIG_XFS_QUOTA
sb->s_qcop = &xfs_quotactl_operations;
+#endif
sb->s_op = &xfs_super_operations;
error = xfs_dmops_get(mp);
@@ -1578,14 +1541,6 @@ static struct super_operations xfs_super_operations = {
.show_options = xfs_fs_show_options,
};
-static struct quotactl_ops xfs_quotactl_operations = {
- .quota_sync = xfs_fs_quotasync,
- .get_xstate = xfs_fs_getxstate,
- .set_xstate = xfs_fs_setxstate,
- .get_xquota = xfs_fs_getxquota,
- .set_xquota = xfs_fs_setxquota,
-};
-
static struct file_system_type xfs_fs_type = {
.owner = THIS_MODULE,
.name = "xfs",
diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h
index d5d776d4cd67..5a2ea3a21781 100644
--- a/fs/xfs/linux-2.6/xfs_super.h
+++ b/fs/xfs/linux-2.6/xfs_super.h
@@ -93,6 +93,7 @@ extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
extern const struct export_operations xfs_export_operations;
extern struct xattr_handler *xfs_xattr_handlers[];
+extern struct quotactl_ops xfs_quotactl_operations;
#define XFS_M(sb) ((struct xfs_mount *)((sb)->s_fs_info))
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index a608e72fa405..f7ba76633c29 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -62,12 +62,6 @@ xfs_sync_inodes_ag(
uint32_t first_index = 0;
int error = 0;
int last_error = 0;
- int fflag = XFS_B_ASYNC;
-
- if (flags & SYNC_DELWRI)
- fflag = XFS_B_DELWRI;
- if (flags & SYNC_WAIT)
- fflag = 0; /* synchronous overrides all */
do {
struct inode *inode;
@@ -128,11 +122,23 @@ xfs_sync_inodes_ag(
* If we have to flush data or wait for I/O completion
* we need to hold the iolock.
*/
- if ((flags & SYNC_DELWRI) && VN_DIRTY(inode)) {
- xfs_ilock(ip, XFS_IOLOCK_SHARED);
- lock_flags |= XFS_IOLOCK_SHARED;
- error = xfs_flush_pages(ip, 0, -1, fflag, FI_NONE);
- if (flags & SYNC_IOWAIT)
+ if (flags & SYNC_DELWRI) {
+ if (VN_DIRTY(inode)) {
+ if (flags & SYNC_TRYLOCK) {
+ if (xfs_ilock_nowait(ip, XFS_IOLOCK_SHARED))
+ lock_flags |= XFS_IOLOCK_SHARED;
+ } else {
+ xfs_ilock(ip, XFS_IOLOCK_SHARED);
+ lock_flags |= XFS_IOLOCK_SHARED;
+ }
+ if (lock_flags & XFS_IOLOCK_SHARED) {
+ error = xfs_flush_pages(ip, 0, -1,
+ (flags & SYNC_WAIT) ? 0
+ : XFS_B_ASYNC,
+ FI_NONE);
+ }
+ }
+ if (VN_CACHED(inode) && (flags & SYNC_IOWAIT))
xfs_ioend_wait(ip);
}
xfs_ilock(ip, XFS_ILOCK_SHARED);
@@ -398,15 +404,17 @@ STATIC void
xfs_syncd_queue_work(
struct xfs_mount *mp,
void *data,
- void (*syncer)(struct xfs_mount *, void *))
+ void (*syncer)(struct xfs_mount *, void *),
+ struct completion *completion)
{
- struct bhv_vfs_sync_work *work;
+ struct xfs_sync_work *work;
- work = kmem_alloc(sizeof(struct bhv_vfs_sync_work), KM_SLEEP);
+ work = kmem_alloc(sizeof(struct xfs_sync_work), KM_SLEEP);
INIT_LIST_HEAD(&work->w_list);
work->w_syncer = syncer;
work->w_data = data;
work->w_mount = mp;
+ work->w_completion = completion;
spin_lock(&mp->m_sync_lock);
list_add_tail(&work->w_list, &mp->m_sync_list);
spin_unlock(&mp->m_sync_lock);
@@ -420,49 +428,26 @@ xfs_syncd_queue_work(
* heads, looking about for more room...
*/
STATIC void
-xfs_flush_inode_work(
- struct xfs_mount *mp,
- void *arg)
-{
- struct inode *inode = arg;
- filemap_flush(inode->i_mapping);
- iput(inode);
-}
-
-void
-xfs_flush_inode(
- xfs_inode_t *ip)
-{
- struct inode *inode = VFS_I(ip);
-
- igrab(inode);
- xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_inode_work);
- delay(msecs_to_jiffies(500));
-}
-
-/*
- * This is the "bigger hammer" version of xfs_flush_inode_work...
- * (IOW, "If at first you don't succeed, use a Bigger Hammer").
- */
-STATIC void
-xfs_flush_device_work(
+xfs_flush_inodes_work(
struct xfs_mount *mp,
void *arg)
{
struct inode *inode = arg;
- sync_blockdev(mp->m_super->s_bdev);
+ xfs_sync_inodes(mp, SYNC_DELWRI | SYNC_TRYLOCK);
+ xfs_sync_inodes(mp, SYNC_DELWRI | SYNC_TRYLOCK | SYNC_IOWAIT);
iput(inode);
}
void
-xfs_flush_device(
+xfs_flush_inodes(
xfs_inode_t *ip)
{
struct inode *inode = VFS_I(ip);
+ DECLARE_COMPLETION_ONSTACK(completion);
igrab(inode);
- xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_device_work);
- delay(msecs_to_jiffies(500));
+ xfs_syncd_queue_work(ip->i_mount, inode, xfs_flush_inodes_work, &completion);
+ wait_for_completion(&completion);
xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
}
@@ -497,7 +482,7 @@ xfssyncd(
{
struct xfs_mount *mp = arg;
long timeleft;
- bhv_vfs_sync_work_t *work, *n;
+ xfs_sync_work_t *work, *n;
LIST_HEAD (tmp);
set_freezable();
@@ -532,6 +517,8 @@ xfssyncd(
list_del(&work->w_list);
if (work == &mp->m_sync_work)
continue;
+ if (work->w_completion)
+ complete(work->w_completion);
kmem_free(work);
}
}
@@ -545,6 +532,7 @@ xfs_syncd_init(
{
mp->m_sync_work.w_syncer = xfs_sync_worker;
mp->m_sync_work.w_mount = mp;
+ mp->m_sync_work.w_completion = NULL;
mp->m_sync_task = kthread_run(xfssyncd, mp, "xfssyncd");
if (IS_ERR(mp->m_sync_task))
return -PTR_ERR(mp->m_sync_task);
diff --git a/fs/xfs/linux-2.6/xfs_sync.h b/fs/xfs/linux-2.6/xfs_sync.h
index 5f6de1efe1f6..308d5bf6dfbd 100644
--- a/fs/xfs/linux-2.6/xfs_sync.h
+++ b/fs/xfs/linux-2.6/xfs_sync.h
@@ -19,19 +19,22 @@
#define XFS_SYNC_H 1
struct xfs_mount;
+struct xfs_perag;
-typedef struct bhv_vfs_sync_work {
+typedef struct xfs_sync_work {
struct list_head w_list;
struct xfs_mount *w_mount;
void *w_data; /* syncer routine argument */
void (*w_syncer)(struct xfs_mount *, void *);
-} bhv_vfs_sync_work_t;
+ struct completion *w_completion;
+} xfs_sync_work_t;
#define SYNC_ATTR 0x0001 /* sync attributes */
#define SYNC_DELWRI 0x0002 /* look at delayed writes */
#define SYNC_WAIT 0x0004 /* wait for i/o to complete */
#define SYNC_BDFLUSH 0x0008 /* BDFLUSH is calling -- don't block */
#define SYNC_IOWAIT 0x0010 /* wait for all I/O to complete */
+#define SYNC_TRYLOCK 0x0020 /* only try to lock inodes */
int xfs_syncd_init(struct xfs_mount *mp);
void xfs_syncd_stop(struct xfs_mount *mp);
@@ -42,8 +45,7 @@ int xfs_sync_fsdata(struct xfs_mount *mp, int flags);
int xfs_quiesce_data(struct xfs_mount *mp);
void xfs_quiesce_attr(struct xfs_mount *mp);
-void xfs_flush_inode(struct xfs_inode *ip);
-void xfs_flush_device(struct xfs_inode *ip);
+void xfs_flush_inodes(struct xfs_inode *ip);
int xfs_reclaim_inode(struct xfs_inode *ip, int locked, int sync_mode);
int xfs_reclaim_inodes(struct xfs_mount *mp, int noblock, int mode);
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index f65983a230d3..ad7fbead4c97 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -41,11 +41,6 @@ struct attrlist_cursor_kern;
#define IO_INVIS 0x00020 /* don't update inode timestamps */
/*
- * Flags for xfs_inode_flush
- */
-#define FLUSH_SYNC 1 /* wait for flush to complete */
-
-/*
* Flush/Invalidate options for vop_toss/flush/flushinval_pages.
*/
#define FI_NONE 0 /* none */
@@ -55,33 +50,6 @@ struct attrlist_cursor_kern;
the operation completes. */
/*
- * Dealing with bad inodes
- */
-static inline int VN_BAD(struct inode *vp)
-{
- return is_bad_inode(vp);
-}
-
-/*
- * Extracting atime values in various formats
- */
-static inline void vn_atime_to_bstime(struct inode *vp, xfs_bstime_t *bs_atime)
-{
- bs_atime->tv_sec = vp->i_atime.tv_sec;
- bs_atime->tv_nsec = vp->i_atime.tv_nsec;
-}
-
-static inline void vn_atime_to_timespec(struct inode *vp, struct timespec *ts)
-{
- *ts = vp->i_atime;
-}
-
-static inline void vn_atime_to_time_t(struct inode *vp, time_t *tt)
-{
- *tt = vp->i_atime.tv_sec;
-}
-
-/*
* Some useful predicates.
*/
#define VN_MAPPED(vp) mapping_mapped(vp->i_mapping)
generated by cgit v1.2.3 (git 2.0.4) at 2026-01-06 16:18:33 +0000