xfs: remove xfs_bunmapi() dfops param

Now that all xfs_bunmapi() callers use ->t_dfops, remove the
unnecessary parameter and access ->t_dfops directly. This patch does
not change behavior.
Signed-off-by: Brian Foster <bfoster@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>

fs/xfs/libxfs/xfs_attr_remote.c

@@ -629,7 +629,7 @@ xfs_attr_rmtval_remove(
 		xfs_defer_init(args->trans->t_dfops, args->firstblock);
 		error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt,
 				    XFS_BMAPI_ATTRFORK, 1, args->firstblock,
-				    args->trans->t_dfops, &done);
+				    &done);
 		if (error)
 			goto out_defer_cancel;
 		xfs_defer_ijoin(args->trans->t_dfops, args->dp);

fs/xfs/libxfs/xfs_bmap.c

@@ -5143,26 +5143,26 @@ xfs_bmap_del_extent_real(
  */
 int						/* error */
 __xfs_bunmapi(
-	xfs_trans_t		*tp,		/* transaction pointer */
+	struct xfs_trans	*tp,		/* transaction pointer */
 	struct xfs_inode	*ip,		/* incore inode */
 	xfs_fileoff_t		start,		/* first file offset deleted */
 	xfs_filblks_t		*rlen,		/* i/o: amount remaining */
 	int			flags,		/* misc flags */
 	xfs_extnum_t		nexts,		/* number of extents max */
-	xfs_fsblock_t		*firstblock,	/* first allocated block
+	xfs_fsblock_t		*firstblock)	/* first allocated block
 						   controls a.g. for allocs */
-	struct xfs_defer_ops	*dfops)		/* i/o: deferred updates */
 {
-	xfs_btree_cur_t		*cur;		/* bmap btree cursor */
-	xfs_bmbt_irec_t		del;		/* extent being deleted */
+	struct xfs_defer_ops	*dfops = tp ? tp->t_dfops : NULL;
+	struct xfs_btree_cur	*cur;		/* bmap btree cursor */
+	struct xfs_bmbt_irec	del;		/* extent being deleted */
 	int			error;		/* error return value */
 	xfs_extnum_t		extno;		/* extent number in list */
-	xfs_bmbt_irec_t		got;		/* current extent record */
+	struct xfs_bmbt_irec	got;		/* current extent record */
 	xfs_ifork_t		*ifp;		/* inode fork pointer */
 	int			isrt;		/* freeing in rt area */
 	int			logflags;	/* transaction logging flags */
 	xfs_extlen_t		mod;		/* rt extent offset */
-	xfs_mount_t		*mp;		/* mount structure */
+	struct xfs_mount	*mp;		/* mount structure */
 	int			tmp_logflags;	/* partial logging flags */
 	int			wasdel;		/* was a delayed alloc extent */
 	int			whichfork;	/* data or attribute fork */
@@ -5516,13 +5516,11 @@ xfs_bunmapi(
 	int			flags,
 	xfs_extnum_t		nexts,
 	xfs_fsblock_t		*firstblock,
-	struct xfs_defer_ops	*dfops,
 	int			*done)
 {
 	int			error;
 
-	error = __xfs_bunmapi(tp, ip, bno, &len, flags, nexts, firstblock,
-			dfops);
+	error = __xfs_bunmapi(tp, ip, bno, &len, flags, nexts, firstblock);
 	*done = (len == 0);
 	return error;
 }
@@ -6193,7 +6191,7 @@ xfs_bmap_finish_one(
 		break;
 	case XFS_BMAP_UNMAP:
 		error = __xfs_bunmapi(tp, ip, startoff, blockcount,
-				XFS_BMAPI_REMAP, 1, &firstfsb, dfops);
+				XFS_BMAPI_REMAP, 1, &firstfsb);
 		break;
 	default:
 		ASSERT(0);

fs/xfs/libxfs/xfs_bmap.h

@@ -206,12 +206,11 @@ int	xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip,
 		struct xfs_bmbt_irec *mval, int *nmap);
 int	__xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip,
 		xfs_fileoff_t bno, xfs_filblks_t *rlen, int flags,
-		xfs_extnum_t nexts, xfs_fsblock_t *firstblock,
-		struct xfs_defer_ops *dfops);
+		xfs_extnum_t nexts, xfs_fsblock_t *firstblock);
 int	xfs_bunmapi(struct xfs_trans *tp, struct xfs_inode *ip,
 		xfs_fileoff_t bno, xfs_filblks_t len, int flags,
 		xfs_extnum_t nexts, xfs_fsblock_t *firstblock,
-		struct xfs_defer_ops *dfops, int *done);
+		int *done);
 int	xfs_bmap_del_extent_delay(struct xfs_inode *ip, int whichfork,
 		struct xfs_iext_cursor *cur, struct xfs_bmbt_irec *got,
 		struct xfs_bmbt_irec *del);

fs/xfs/libxfs/xfs_da_btree.c

@@ -2395,7 +2395,7 @@ xfs_da_shrink_inode(
 		 */
 		error = xfs_bunmapi(tp, dp, dead_blkno, count,
 				    xfs_bmapi_aflag(w), 0, args->firstblock,
-				    args->trans->t_dfops, &done);
+				    &done);
 		if (error == -ENOSPC) {
 			if (w != XFS_DATA_FORK)
 				break;

fs/xfs/libxfs/xfs_dir2.c

@@ -664,7 +664,7 @@ xfs_dir2_shrink_inode(
 
 	/* Unmap the fsblock(s). */
 	error = xfs_bunmapi(tp, dp, da, args->geo->fsbcount, 0, 0,
-			    args->firstblock, args->trans->t_dfops, &done);
+			    args->firstblock, &done);
 	if (error) {
 		/*
 		 * ENOSPC actually can happen if we're in a removename with no

fs/xfs/xfs_bmap_util.c

@@ -1046,7 +1046,7 @@ xfs_unmap_extent(
 	xfs_defer_init(&dfops, &firstfsb);
 	tp->t_dfops = &dfops;
 	error = xfs_bunmapi(tp, ip, startoffset_fsb, len_fsb, 0, 2, &firstfsb,
-			tp->t_dfops, done);
+			    done);
 	if (error)
 		goto out_bmap_cancel;
 

fs/xfs/xfs_inode.c

@@ -1588,7 +1588,7 @@ xfs_itruncate_extents_flags(
 		tp->t_dfops = &dfops;
 		error = xfs_bunmapi(tp, ip, first_unmap_block, unmap_len, flags,
 				    XFS_ITRUNC_MAX_EXTENTS, &first_block,
-				    tp->t_dfops, &done);
+				    &done);
 		if (error)
 			goto out_bmap_cancel;
 

fs/xfs/xfs_reflink.c

@@ -703,7 +703,7 @@ xfs_reflink_end_cow(
 		tp->t_dfops = &dfops;
 		rlen = del.br_blockcount;
 		error = __xfs_bunmapi(tp, ip, del.br_startoff, &rlen, 0, 1,
-				&firstfsb, tp->t_dfops);
+				&firstfsb);
 		if (error)
 			goto out_defer;
 
@@ -1052,8 +1052,7 @@ xfs_reflink_remap_extent(
 	while (rlen) {
 		xfs_defer_init(&dfops, &firstfsb);
 		tp->t_dfops = &dfops;
-		error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1,
-				&firstfsb, tp->t_dfops);
+		error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1, &firstfsb);
 		if (error)
 			goto out_defer;
 

fs/xfs/xfs_symlink.c

@@ -466,8 +466,7 @@ xfs_inactive_symlink_rmt(
 	/*
 	 * Unmap the dead block(s) to the dfops.
 	 */
-	error = xfs_bunmapi(tp, ip, 0, size, 0, nmaps,
-			    &first_block, tp->t_dfops, &done);
+	error = xfs_bunmapi(tp, ip, 0, size, 0, nmaps, &first_block, &done);
 	if (error)
 		goto error_bmap_cancel;
 	ASSERT(done);