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Commit 9e28a242 authored by Brian Foster's avatar Brian Foster Committed by Darrick J. Wong
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xfs: drop unnecessary xfs_defer_finish() dfops parameter 



Every caller of xfs_defer_finish() now passes the transaction and
its associated ->t_dfops. The xfs_defer_ops parameter is therefore
no longer necessary and can be removed.

Since most xfs_defer_finish() callers also have to consider
xfs_defer_cancel() on error, update the latter to also receive the
transaction for consistency. The log recovery code contains an
outlier case that cancels a dfops directly without an available
transaction. Retain an internal wrapper to support this outlier case
for the time being.

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 d5cca7eb

fs/xfs/libxfs/xfs_attr.c

+13 −14
Original line number Diff line number Diff line
@@ -322,7 +322,7 @@ xfs_attr_set( 
		xfs_trans_bhold(args.trans, leaf_bp);

		xfs_defer_bjoin(args.trans->t_dfops, leaf_bp);

		xfs_defer_ijoin(args.trans->t_dfops, dp);

		error = xfs_defer_finish(&args.trans, args.trans->t_dfops);

		error = xfs_defer_finish(&args.trans);

		if (error)

			goto out;
@@ -591,7 +591,7 @@ xfs_attr_leaf_addname( 
		if (error)

			goto out_defer_cancel;

		xfs_defer_ijoin(args->trans->t_dfops, dp);

		error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

		error = xfs_defer_finish(&args->trans);

		if (error)

			goto out_defer_cancel;
@@ -680,7 +680,7 @@ xfs_attr_leaf_addname( 
			if (error)

				goto out_defer_cancel;

			xfs_defer_ijoin(args->trans->t_dfops, dp);

			error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

			error = xfs_defer_finish(&args->trans);

			if (error)

				goto out_defer_cancel;

		}
@@ -698,7 +698,7 @@ xfs_attr_leaf_addname( 
	}

	return error;

out_defer_cancel:

	xfs_defer_cancel(args->trans->t_dfops);

	xfs_defer_cancel(args->trans);

	return error;

}
@@ -744,13 +744,13 @@ xfs_attr_leaf_removename( 
		if (error)

			goto out_defer_cancel;

		xfs_defer_ijoin(args->trans->t_dfops, dp);

		error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

		error = xfs_defer_finish(&args->trans);

		if (error)

			goto out_defer_cancel;

	}

	return 0;

out_defer_cancel:

	xfs_defer_cancel(args->trans->t_dfops);

	xfs_defer_cancel(args->trans);

	return error;

}
@@ -871,8 +871,7 @@ xfs_attr_node_addname( 
			if (error)

				goto out_defer_cancel;

			xfs_defer_ijoin(args->trans->t_dfops, dp);

			error = xfs_defer_finish(&args->trans,

						 args->trans->t_dfops);

			error = xfs_defer_finish(&args->trans);

			if (error)

				goto out_defer_cancel;
@@ -897,7 +896,7 @@ xfs_attr_node_addname( 
		if (error)

			goto out_defer_cancel;

		xfs_defer_ijoin(args->trans->t_dfops, dp);

		error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

		error = xfs_defer_finish(&args->trans);

		if (error)

			goto out_defer_cancel;

	} else {
@@ -994,7 +993,7 @@ xfs_attr_node_addname( 
			if (error)

				goto out_defer_cancel;

			xfs_defer_ijoin(args->trans->t_dfops, dp);

			error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

			error = xfs_defer_finish(&args->trans);

			if (error)

				goto out_defer_cancel;

		}
@@ -1023,7 +1022,7 @@ xfs_attr_node_addname( 
		return error;

	return retval;

out_defer_cancel:

	xfs_defer_cancel(args->trans->t_dfops);

	xfs_defer_cancel(args->trans);

	goto out;

}
@@ -1118,7 +1117,7 @@ xfs_attr_node_removename( 
		if (error)

			goto out_defer_cancel;

		xfs_defer_ijoin(args->trans->t_dfops, dp);

		error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

		error = xfs_defer_finish(&args->trans);

		if (error)

			goto out_defer_cancel;

		/*
@@ -1150,7 +1149,7 @@ xfs_attr_node_removename( 
			if (error)

				goto out_defer_cancel;

			xfs_defer_ijoin(args->trans->t_dfops, dp);

			error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

			error = xfs_defer_finish(&args->trans);

			if (error)

				goto out_defer_cancel;

		} else
@@ -1162,7 +1161,7 @@ xfs_attr_node_removename( 
	xfs_da_state_free(state);

	return error;

out_defer_cancel:

	xfs_defer_cancel(args->trans->t_dfops);

	xfs_defer_cancel(args->trans);

	goto out;

}

fs/xfs/libxfs/xfs_attr_remote.c

+4 −4
Original line number Diff line number Diff line
@@ -487,7 +487,7 @@ xfs_attr_rmtval_set( 
		if (error)

			goto out_defer_cancel;

		xfs_defer_ijoin(args->trans->t_dfops, dp);

		error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

		error = xfs_defer_finish(&args->trans);

		if (error)

			goto out_defer_cancel;
@@ -555,7 +555,7 @@ xfs_attr_rmtval_set( 
	ASSERT(valuelen == 0);

	return 0;

out_defer_cancel:

	xfs_defer_cancel(args->trans->t_dfops);

	xfs_defer_cancel(args->trans);

	return error;

}
@@ -628,7 +628,7 @@ xfs_attr_rmtval_remove( 
		if (error)

			goto out_defer_cancel;

		xfs_defer_ijoin(args->trans->t_dfops, args->dp);

		error = xfs_defer_finish(&args->trans, args->trans->t_dfops);

		error = xfs_defer_finish(&args->trans);

		if (error)

			goto out_defer_cancel;
@@ -641,6 +641,6 @@ xfs_attr_rmtval_remove( 
	}

	return 0;

out_defer_cancel:

	xfs_defer_cancel(args->trans->t_dfops);

	xfs_defer_cancel(args->trans);

	return error;

}

fs/xfs/libxfs/xfs_defer.c

+3 −4
Original line number Diff line number Diff line
@@ -342,9 +342,9 @@ xfs_defer_reset( 
 */

int

xfs_defer_finish(

	struct xfs_trans		**tp,

	struct xfs_defer_ops		*dop)

	struct xfs_trans		**tp)

{

	struct xfs_defer_ops		*dop = (*tp)->t_dfops;

	struct xfs_defer_pending	*dfp;

	struct list_head		*li;

	struct list_head		*n;
@@ -353,7 +353,6 @@ xfs_defer_finish( 
	void				(*cleanup_fn)(struct xfs_trans *, void *, int);



	ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES);

	ASSERT((*tp)->t_dfops == dop);



	trace_xfs_defer_finish((*tp)->t_mountp, dop, _RET_IP_);
@@ -454,7 +453,7 @@ xfs_defer_finish( 
 * Free up any items left in the list.

 */

void

xfs_defer_cancel(

__xfs_defer_cancel(

	struct xfs_defer_ops		*dop)

{

	struct xfs_defer_pending	*dfp;

fs/xfs/libxfs/xfs_defer.h

+2 −2
Original line number Diff line number Diff line
@@ -48,8 +48,8 @@ enum xfs_defer_ops_type { 


void xfs_defer_add(struct xfs_defer_ops *dop, enum xfs_defer_ops_type type,

		struct list_head *h);

int xfs_defer_finish(struct xfs_trans **tp, struct xfs_defer_ops *dop);

void xfs_defer_cancel(struct xfs_defer_ops *dop);

int xfs_defer_finish(struct xfs_trans **tp);

void __xfs_defer_cancel(struct xfs_defer_ops *dop);

void xfs_defer_init(struct xfs_trans *tp, struct xfs_defer_ops *dop);

bool xfs_defer_has_unfinished_work(struct xfs_defer_ops *dop);

int xfs_defer_ijoin(struct xfs_defer_ops *dop, struct xfs_inode *ip);

fs/xfs/xfs_bmap_util.c

+2 −2
Original line number Diff line number Diff line
@@ -1624,7 +1624,7 @@ xfs_swap_extent_rmap( 
				goto out_defer;



			xfs_defer_ijoin(tp->t_dfops, ip);

			error = xfs_defer_finish(tpp, tp->t_dfops);

			error = xfs_defer_finish(tpp);

			tp = *tpp;

			if (error)

				goto out_defer;
@@ -1645,7 +1645,7 @@ xfs_swap_extent_rmap( 
	return 0;



out_defer:

	xfs_defer_cancel(tp->t_dfops);

	xfs_defer_cancel(tp);

out:

	trace_xfs_swap_extent_rmap_error(ip, error, _RET_IP_);

	tip->i_d.di_flags2 = tip_flags2;