* [PATCH] xfs: fix inode pincount check in fsync
@ 2010-02-17 19:34 Christoph Hellwig, Christoph Hellwig
2010-02-17 22:53 ` Dave Chinner
0 siblings, 1 reply; 2+ messages in thread
From: Christoph Hellwig, Christoph Hellwig @ 2010-02-17 19:34 UTC (permalink / raw)
To: xfs
We need to hold the ilock to check the inode pincount safely. While
we're at it also remove the check for ip->i_itemp->ili_last_lsn, a
pinned inode always has it set.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Index: xfs/fs/xfs/linux-2.6/xfs_file.c
===================================================================
--- xfs.orig/fs/xfs/linux-2.6/xfs_file.c 2010-02-17 10:46:24.440003402 +0100
+++ xfs/fs/xfs/linux-2.6/xfs_file.c 2010-02-17 10:47:25.499028406 +0100
@@ -180,17 +180,12 @@ xfs_file_fsync(
* disk yet, the inode will be still be pinned. If it is,
* force the log.
*/
- xfs_iunlock(ip, XFS_ILOCK_SHARED);
if (xfs_ipincount(ip)) {
- if (ip->i_itemp->ili_last_lsn) {
- error = _xfs_log_force_lsn(ip->i_mount,
- ip->i_itemp->ili_last_lsn,
- XFS_LOG_SYNC, &log_flushed);
- } else {
- error = _xfs_log_force(ip->i_mount,
- XFS_LOG_SYNC, &log_flushed);
- }
+ error = _xfs_log_force_lsn(ip->i_mount,
+ ip->i_itemp->ili_last_lsn,
+ XFS_LOG_SYNC, &log_flushed);
}
+ xfs_iunlock(ip, XFS_ILOCK_SHARED);
}
if (ip->i_mount->m_flags & XFS_MOUNT_BARRIER) {
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [PATCH] xfs: fix inode pincount check in fsync
2010-02-17 19:34 [PATCH] xfs: fix inode pincount check in fsync Christoph Hellwig, Christoph Hellwig
@ 2010-02-17 22:53 ` Dave Chinner
0 siblings, 0 replies; 2+ messages in thread
From: Dave Chinner @ 2010-02-17 22:53 UTC (permalink / raw)
To: Christoph Hellwig, Christoph Hellwig; +Cc: xfs
On Wed, Feb 17, 2010 at 02:34:57PM -0500, Christoph Hellwig wrote:
> We need to hold the ilock to check the inode pincount safely. While
> we're at it also remove the check for ip->i_itemp->ili_last_lsn, a
> pinned inode always has it set.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
Looks good.
Reviewed-by: Dave Chinner <david@fromorbit.com>
--
Dave Chinner
david@fromorbit.com
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2010-02-17 19:34 [PATCH] xfs: fix inode pincount check in fsync Christoph Hellwig, Christoph Hellwig
2010-02-17 22:53 ` Dave Chinner
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