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-rw-r--r--fs/xfs/linux-2.6/xfs_sync.c50
1 files changed, 33 insertions, 17 deletions
diff --git a/fs/xfs/linux-2.6/xfs_sync.c b/fs/xfs/linux-2.6/xfs_sync.c
index 7adc62d..1712caa 100644
--- a/fs/xfs/linux-2.6/xfs_sync.c
+++ b/fs/xfs/linux-2.6/xfs_sync.c
@@ -77,6 +77,35 @@ xfs_sync_inode_data(
return error;
}
+STATIC int
+xfs_sync_inode_attr(
+ struct xfs_inode *ip,
+ int flags)
+{
+ int error = 0;
+
+ xfs_ilock(ip, XFS_ILOCK_SHARED);
+ if (xfs_inode_clean(ip))
+ goto out_unlock;
+ if (!xfs_iflock_nowait(ip)) {
+ if (!(flags & SYNC_WAIT))
+ goto out_unlock;
+ xfs_iflock(ip);
+ }
+
+ if (xfs_inode_clean(ip)) {
+ xfs_ifunlock(ip);
+ goto out_unlock;
+ }
+
+ error = xfs_iflush(ip, (flags & SYNC_WAIT) ?
+ XFS_IFLUSH_SYNC : XFS_IFLUSH_DELWRI);
+
+ out_unlock:
+ xfs_iunlock(ip, XFS_ILOCK_SHARED);
+ return error;
+}
+
/*
* Sync all the inodes in the given AG according to the
* direction given by the flags.
@@ -96,7 +125,6 @@ xfs_sync_inodes_ag(
do {
struct inode *inode;
xfs_inode_t *ip = NULL;
- int lock_flags = XFS_ILOCK_SHARED;
/*
* use a gang lookup to find the next inode in the tree
@@ -155,22 +183,10 @@ xfs_sync_inodes_ag(
if (flags & SYNC_DELWRI)
error = xfs_sync_inode_data(ip, flags);
- xfs_ilock(ip, XFS_ILOCK_SHARED);
- if ((flags & SYNC_ATTR) && !xfs_inode_clean(ip)) {
- if (flags & SYNC_WAIT) {
- xfs_iflock(ip);
- if (!xfs_inode_clean(ip))
- error = xfs_iflush(ip, XFS_IFLUSH_SYNC);
- else
- xfs_ifunlock(ip);
- } else if (xfs_iflock_nowait(ip)) {
- if (!xfs_inode_clean(ip))
- error = xfs_iflush(ip, XFS_IFLUSH_DELWRI);
- else
- xfs_ifunlock(ip);
- }
- }
- xfs_iput(ip, lock_flags);
+ if (flags & SYNC_ATTR)
+ error = xfs_sync_inode_attr(ip, flags);
+
+ IRELE(ip);
if (error)
last_error = error;
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