diff options
| author | Jeff Layton <jlayton@redhat.com> | 2017-12-11 06:35:23 -0500 |
|---|---|---|
| committer | Jeff Layton <jlayton@redhat.com> | 2018-01-29 06:42:21 -0500 |
| commit | d17260fd5f9cd5c112cbcbbfd3024186d34c02d7 (patch) | |
| tree | 99f1082e7324412ab4b8c495d04a7daba27880ee /fs | |
| parent | e38cf302b2e92a870f23e07c4390e04685779340 (diff) | |
| download | linux-d17260fd5f9cd5c112cbcbbfd3024186d34c02d7.tar.bz2 | |
xfs: avoid setting XFS_ILOG_CORE if i_version doesn't need incrementing
If XFS_ILOG_CORE is already set then go ahead and increment it.
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Acked-by: Darrick J. Wong <darrick.wong@oracle.com>
Acked-by: Dave Chinner <dchinner@redhat.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/xfs/xfs_trans_inode.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c index 225544327c4f..4a89da4b6fe7 100644 --- a/fs/xfs/xfs_trans_inode.c +++ b/fs/xfs/xfs_trans_inode.c @@ -112,15 +112,17 @@ xfs_trans_log_inode( /* * First time we log the inode in a transaction, bump the inode change - * counter if it is configured for this to occur. We don't use - * inode_inc_version() because there is no need for extra locking around - * i_version as we already hold the inode locked exclusively for - * metadata modification. + * counter if it is configured for this to occur. While we have the + * inode locked exclusively for metadata modification, we can usually + * avoid setting XFS_ILOG_CORE if no one has queried the value since + * the last time it was incremented. If we have XFS_ILOG_CORE already + * set however, then go ahead and bump the i_version counter + * unconditionally. */ if (!(ip->i_itemp->ili_item.li_desc->lid_flags & XFS_LID_DIRTY) && IS_I_VERSION(VFS_I(ip))) { - inode_inc_iversion(VFS_I(ip)); - flags |= XFS_ILOG_CORE; + if (inode_maybe_inc_iversion(VFS_I(ip), flags & XFS_ILOG_CORE)) + flags |= XFS_ILOG_CORE; } tp->t_flags |= XFS_TRANS_DIRTY; |