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authorBrian Foster <bfoster@redhat.com>2018-07-24 13:43:14 -0700
committerDarrick J. Wong <darrick.wong@oracle.com>2018-07-26 10:15:15 -0700
commitd5cca7eb244d276177a57e42494d479742bbba37 (patch)
treeb4d16a1a806530db2a67d47efa88f65a3557273c /fs/xfs/libxfs/xfs_attr_remote.c
parentc8eac49ef798a7d00240847f63902caa1388241a (diff)
downloadlinux-d5cca7eb244d276177a57e42494d479742bbba37.tar.gz
xfs: remove unnecessary dfops init calls in xattr code
Each xfs_defer_init() call in the xattr code uses the internal dfops
reference. In addition, a successful xfs_defer_finish() always
returns with a reset xfs_defer_ops structure.

Given that along with the fact that every xfs_defer_init() call in
the xattr code is followed up by an xfs_defer_finish(), the former
calls are no longer necessary and can be removed.

Note that the xfs_defer_init() call in the remote value copy loop of
xfs_attr_rmtval_set() is not followed by a finish, but the dfops is
unused in this instance.

Signed-off-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/xfs/libxfs/xfs_attr_remote.c')
-rw-r--r--fs/xfs/libxfs/xfs_attr_remote.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
index 829ab20f0cd7..0fbfb740949e 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.c
+++ b/fs/xfs/libxfs/xfs_attr_remote.c
@@ -480,7 +480,6 @@ xfs_attr_rmtval_set(
 		 * extent and then crash then the block may not contain the
 		 * correct metadata after log recovery occurs.
 		 */
-		xfs_defer_init(args->trans, args->trans->t_dfops);
 		nmap = 1;
 		error = xfs_bmapi_write(args->trans, dp, (xfs_fileoff_t)lblkno,
 				  blkcnt, XFS_BMAPI_ATTRFORK, args->total, &map,
@@ -522,7 +521,6 @@ xfs_attr_rmtval_set(
 
 		ASSERT(blkcnt > 0);
 
-		xfs_defer_init(args->trans, args->trans->t_dfops);
 		nmap = 1;
 		error = xfs_bmapi_read(dp, (xfs_fileoff_t)lblkno,
 				       blkcnt, &map, &nmap,
@@ -625,7 +623,6 @@ xfs_attr_rmtval_remove(
 	blkcnt = args->rmtblkcnt;
 	done = 0;
 	while (!done) {
-		xfs_defer_init(args->trans, args->trans->t_dfops);
 		error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt,
 				    XFS_BMAPI_ATTRFORK, 1, &done);
 		if (error)