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-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c79
-rw-r--r--fs/xfs/quota/xfs_qm_syscalls.c9
2 files changed, 34 insertions, 54 deletions
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index b5cdf0e..37fc2c0 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -39,6 +39,33 @@
#include <linux/kthread.h>
#include <linux/freezer.h>
+STATIC int
+xfs_inode_ag_walk_grab(
+ struct xfs_inode *ip)
+{
+ struct inode *inode = VFS_I(ip);
+
+ /* nothing to sync during shutdown */
+ if (XFS_FORCED_SHUTDOWN(ip->i_mount))
+ return EFSCORRUPTED;
+
+ /* avoid new or reclaimable inodes. Leave for reclaim code to flush */
+ if (xfs_iflags_test(ip, XFS_INEW | XFS_IRECLAIMABLE | XFS_IRECLAIM))
+ return ENOENT;
+
+ /* If we can't grab the inode, it must on it's way to reclaim. */
+ if (!igrab(inode))
+ return ENOENT;
+
+ if (is_bad_inode(inode)) {
+ IRELE(ip);
+ return ENOENT;
+ }
+
+ /* inode is valid */
+ return 0;
+}
+
STATIC int
xfs_inode_ag_walk(
@@ -80,8 +107,14 @@ restart:
if (first_index < XFS_INO_TO_AGINO(mp, ip->i_ino))
done = 1;
- /* execute releases pag->pag_ici_lock */
+ if (xfs_inode_ag_walk_grab(ip)) {
+ read_unlock(&pag->pag_ici_lock);
+ continue;
+ }
+ read_unlock(&pag->pag_ici_lock);
+
error = execute(ip, pag, flags);
+ IRELE(ip);
if (error == EAGAIN) {
skipped++;
continue;
@@ -128,40 +161,6 @@ xfs_inode_ag_iterator(
return XFS_ERROR(last_error);
}
-/* must be called with pag_ici_lock held and releases it */
-int
-xfs_sync_inode_valid(
- struct xfs_inode *ip,
- struct xfs_perag *pag)
-{
- struct inode *inode = VFS_I(ip);
- int error = EFSCORRUPTED;
-
- /* nothing to sync during shutdown */
- if (XFS_FORCED_SHUTDOWN(ip->i_mount))
- goto out_unlock;
-
- /* avoid new or reclaimable inodes. Leave for reclaim code to flush */
- error = ENOENT;
- if (xfs_iflags_test(ip, XFS_INEW | XFS_IRECLAIMABLE | XFS_IRECLAIM))
- goto out_unlock;
-
- /* If we can't grab the inode, it must on it's way to reclaim. */
- if (!igrab(inode))
- goto out_unlock;
-
- if (is_bad_inode(inode)) {
- IRELE(ip);
- goto out_unlock;
- }
-
- /* inode is valid */
- error = 0;
-out_unlock:
- read_unlock(&pag->pag_ici_lock);
- return error;
-}
-
STATIC int
xfs_sync_inode_data(
struct xfs_inode *ip,
@@ -172,10 +171,6 @@ xfs_sync_inode_data(
struct address_space *mapping = inode->i_mapping;
int error = 0;
- error = xfs_sync_inode_valid(ip, pag);
- if (error)
- return error;
-
if (!mapping_tagged(mapping, PAGECACHE_TAG_DIRTY))
goto out_wait;
@@ -192,7 +187,6 @@ xfs_sync_inode_data(
out_wait:
if (flags & SYNC_WAIT)
xfs_ioend_wait(ip);
- IRELE(ip);
return error;
}
@@ -204,10 +198,6 @@ xfs_sync_inode_attr(
{
int error = 0;
- error = xfs_sync_inode_valid(ip, pag);
- if (error)
- return error;
-
xfs_ilock(ip, XFS_ILOCK_SHARED);
if (xfs_inode_clean(ip))
goto out_unlock;
@@ -226,7 +216,6 @@ xfs_sync_inode_attr(
out_unlock:
xfs_iunlock(ip, XFS_ILOCK_SHARED);
- IRELE(ip);
return error;
}
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index ac11fbe..5784743 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -875,21 +875,14 @@ xfs_dqrele_inode(
struct xfs_perag *pag,
int flags)
{
- int error;
-
/* skip quota inodes */
if (ip == ip->i_mount->m_quotainfo->qi_uquotaip ||
ip == ip->i_mount->m_quotainfo->qi_gquotaip) {
ASSERT(ip->i_udquot == NULL);
ASSERT(ip->i_gdquot == NULL);
- read_unlock(&pag->pag_ici_lock);
return 0;
}
- error = xfs_sync_inode_valid(ip, pag);
- if (error)
- return error;
-
xfs_ilock(ip, XFS_ILOCK_EXCL);
if ((flags & XFS_UQUOTA_ACCT) && ip->i_udquot) {
xfs_qm_dqrele(ip->i_udquot);
@@ -900,8 +893,6 @@ xfs_dqrele_inode(
ip->i_gdquot = NULL;
}
xfs_iunlock(ip, XFS_ILOCK_EXCL);
-
- IRELE(ip);
return 0;
}
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