diff options
| author | Christoph Hellwig <hch@lst.de> | 2010-03-12 09:42:15 +1100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-26 07:41:16 -0700 |
| commit | 76962b5ed721dd91bd736c65944522798a35ced5 (patch) | |
| tree | 6891e5fb19f1eb2f086e2b835c720c957c5028ed /fs/xfs | |
| parent | 83b546b83752bd43cfc26458709d48293956a3c8 (diff) | |
xfs: remove invalid barrier optimization from xfs_fsync
commit e8b217e7530c6a073ac69f1c85b922d93fdf5647 upstream
Date: Tue, 2 Feb 2010 10:16:26 +1100
We always need to flush the disk write cache and can't skip it just because
the no inode attributes have changed.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Dave Chinner <david@fromorbit.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/xfs')
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 12 |
1 files changed, 2 insertions, 10 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index ae2e44fafd72..38a63244e75d 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -597,7 +597,7 @@ xfs_fsync( { xfs_trans_t *tp; int error = 0; - int log_flushed = 0, changed = 1; + int log_flushed = 0; xfs_itrace_entry(ip); @@ -627,19 +627,11 @@ xfs_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)) { error = _xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE | XFS_LOG_SYNC, &log_flushed); - } else { - /* - * If the inode is not pinned and nothing has changed - * we don't need to flush the cache. - */ - changed = 0; } } else { /* @@ -674,7 +666,7 @@ xfs_fsync( xfs_iunlock(ip, XFS_ILOCK_EXCL); } - if ((ip->i_mount->m_flags & XFS_MOUNT_BARRIER) && changed) { + if (ip->i_mount->m_flags & XFS_MOUNT_BARRIER) { /* * If the log write didn't issue an ordered tag we need * to flush the disk cache for the data device now. |