Commit d5cca7eb authored by Brian Foster's avatar Brian Foster Committed by Darrick J. Wong
Browse files

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: default avatarBrian Foster <bfoster@redhat.com>
Reviewed-by: default avatarBill O'Donnell <billodo@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: default avatarDarrick J. Wong <darrick.wong@oracle.com>
parent c8eac49e

fs/xfs/libxfs/xfs_attr.c

+0 −8
Original line number Diff line number Diff line
@@ -587,7 +587,6 @@ xfs_attr_leaf_addname( 
		 * Commit that transaction so that the node_addname() call

		 * can manage its own transactions.

		 */

		xfs_defer_init(args->trans, args->trans->t_dfops);

		error = xfs_attr3_leaf_to_node(args);

		if (error)

			goto out_defer_cancel;
@@ -676,7 +675,6 @@ xfs_attr_leaf_addname( 
		 * If the result is small enough, shrink it all into the inode.

		 */

		if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {

			xfs_defer_init(args->trans, args->trans->t_dfops);

			error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);

			/* bp is gone due to xfs_da_shrink_inode */

			if (error)
@@ -741,7 +739,6 @@ xfs_attr_leaf_removename( 
	 * If the result is small enough, shrink it all into the inode.

	 */

	if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {

		xfs_defer_init(args->trans, args->trans->t_dfops);

		error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);

		/* bp is gone due to xfs_da_shrink_inode */

		if (error)
@@ -870,7 +867,6 @@ restart: 
			 */

			xfs_da_state_free(state);

			state = NULL;

			xfs_defer_init(args->trans, args->trans->t_dfops);

			error = xfs_attr3_leaf_to_node(args);

			if (error)

				goto out_defer_cancel;
@@ -897,7 +893,6 @@ restart: 
		 * in the index/blkno/rmtblkno/rmtblkcnt fields and

		 * in the index2/blkno2/rmtblkno2/rmtblkcnt2 fields.

		 */

		xfs_defer_init(args->trans, args->trans->t_dfops);

		error = xfs_da3_split(state);

		if (error)

			goto out_defer_cancel;
@@ -995,7 +990,6 @@ restart: 
		 * Check to see if the tree needs to be collapsed.

		 */

		if (retval && (state->path.active > 1)) {

			xfs_defer_init(args->trans, args->trans->t_dfops);

			error = xfs_da3_join(state);

			if (error)

				goto out_defer_cancel;
@@ -1120,7 +1114,6 @@ xfs_attr_node_removename( 
	 * Check to see if the tree needs to be collapsed.

	 */

	if (retval && (state->path.active > 1)) {

		xfs_defer_init(args->trans, args->trans->t_dfops);

		error = xfs_da3_join(state);

		if (error)

			goto out_defer_cancel;
@@ -1152,7 +1145,6 @@ xfs_attr_node_removename( 
			goto out;



		if ((forkoff = xfs_attr_shortform_allfit(bp, dp))) {

			xfs_defer_init(args->trans, args->trans->t_dfops);

			error = xfs_attr3_leaf_to_shortform(bp, args, forkoff);

			/* bp is gone due to xfs_da_shrink_inode */

			if (error)

fs/xfs/libxfs/xfs_attr_remote.c

+0 −3
Original line number Diff line number Diff line
@@ -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)

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