xfs: remove xfs_bunmapi() firstblock param

All callers pass ->t_firstblock from the current transaction.
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

@@ -631,8 +631,7 @@ xfs_attr_rmtval_remove(
 		xfs_defer_init(args->trans, args->trans->t_dfops,
 			       &args->trans->t_firstblock);
 		error = xfs_bunmapi(args->trans, args->dp, lblkno, blkcnt,
-				    XFS_BMAPI_ATTRFORK, 1,
-				    &args->trans->t_firstblock, &done);
+				    XFS_BMAPI_ATTRFORK, 1, &done);
 		if (error)
 			goto out_defer_cancel;
 		xfs_defer_ijoin(args->trans->t_dfops, args->dp);

fs/xfs/libxfs/xfs_bmap.c

@@ -5122,9 +5122,7 @@ __xfs_bunmapi(
 	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
-						   controls a.g. for allocs */
+	xfs_extnum_t		nexts)		/* number of extents max */
 {
 	struct xfs_btree_cur	*cur;		/* bmap btree cursor */
 	struct xfs_bmbt_irec	del;		/* extent being deleted */
@@ -5198,7 +5196,7 @@ __xfs_bunmapi(
 	if (ifp->if_flags & XFS_IFBROOT) {
 		ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_BTREE);
 		cur = xfs_bmbt_init_cursor(mp, tp, ip, whichfork);
-		cur->bc_private.b.firstblock = *firstblock;
+		cur->bc_private.b.firstblock = tp->t_firstblock;
 		cur->bc_private.b.flags = 0;
 	} else
 		cur = NULL;
@@ -5314,7 +5312,7 @@ __xfs_bunmapi(
 			del.br_state = XFS_EXT_UNWRITTEN;
 			error = xfs_bmap_add_extent_unwritten_real(tp, ip,
 					whichfork, &icur, &cur, &del,
-					firstblock, &logflags);
+					&tp->t_firstblock, &logflags);
 			if (error)
 				goto error0;
 			goto nodelete;
@@ -5371,7 +5369,8 @@ __xfs_bunmapi(
 				prev.br_state = XFS_EXT_UNWRITTEN;
 				error = xfs_bmap_add_extent_unwritten_real(tp,
 						ip, whichfork, &icur, &cur,
-						&prev, firstblock, &logflags);
+						&prev, &tp->t_firstblock,
+						&logflags);
 				if (error)
 					goto error0;
 				goto nodelete;
@@ -5380,7 +5379,8 @@ __xfs_bunmapi(
 				del.br_state = XFS_EXT_UNWRITTEN;
 				error = xfs_bmap_add_extent_unwritten_real(tp,
 						ip, whichfork, &icur, &cur,
-						&del, firstblock, &logflags);
+						&del, &tp->t_firstblock,
+						&logflags);
 				if (error)
 					goto error0;
 				goto nodelete;
@@ -5427,8 +5427,8 @@ __xfs_bunmapi(
 	 */
 	if (xfs_bmap_needs_btree(ip, whichfork)) {
 		ASSERT(cur == NULL);
-		error = xfs_bmap_extents_to_btree(tp, ip, firstblock, &cur, 0,
-				&tmp_logflags, whichfork);
+		error = xfs_bmap_extents_to_btree(tp, ip, &tp->t_firstblock,
+				&cur, 0, &tmp_logflags, whichfork);
 		logflags |= tmp_logflags;
 		if (error)
 			goto error0;
@@ -5467,7 +5467,7 @@ __xfs_bunmapi(
 		xfs_trans_log_inode(tp, ip, logflags);
 	if (cur) {
 		if (!error) {
-			*firstblock = cur->bc_private.b.firstblock;
+			tp->t_firstblock = cur->bc_private.b.firstblock;
 			cur->bc_private.b.allocated = 0;
 		}
 		xfs_btree_del_cursor(cur,
@@ -5485,12 +5485,11 @@ xfs_bunmapi(
 	xfs_filblks_t		len,
 	int			flags,
 	xfs_extnum_t		nexts,
-	xfs_fsblock_t		*firstblock,
 	int			*done)
 {
 	int			error;
 
-	error = __xfs_bunmapi(tp, ip, bno, &len, flags, nexts, firstblock);
+	error = __xfs_bunmapi(tp, ip, bno, &len, flags, nexts);
 	*done = (len == 0);
 	return error;
 }
@@ -6148,7 +6147,7 @@ xfs_bmap_finish_one(
 		break;
 	case XFS_BMAP_UNMAP:
 		error = __xfs_bunmapi(tp, ip, startoff, blockcount,
-				XFS_BMAPI_REMAP, 1, &tp->t_firstblock);
+				XFS_BMAPI_REMAP, 1);
 		break;
 	default:
 		ASSERT(0);

fs/xfs/libxfs/xfs_bmap.h

@@ -204,11 +204,10 @@ int	xfs_bmapi_write(struct xfs_trans *tp, struct xfs_inode *ip,
 		xfs_extlen_t total, 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);
+		xfs_extnum_t nexts);
 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,
-		int *done);
+		xfs_extnum_t nexts, 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

@@ -2392,8 +2392,7 @@ xfs_da_shrink_inode(
 		 * the last block to the place we want to kill.
 		 */
 		error = xfs_bunmapi(tp, dp, dead_blkno, count,
-				    xfs_bmapi_aflag(w), 0, &tp->t_firstblock,
-				    &done);
+				    xfs_bmapi_aflag(w), 0, &done);
 		if (error == -ENOSPC) {
 			if (w != XFS_DATA_FORK)
 				break;

fs/xfs/libxfs/xfs_dir2.c

@@ -656,8 +656,7 @@ xfs_dir2_shrink_inode(
 	da = xfs_dir2_db_to_da(args->geo, db);
 
 	/* Unmap the fsblock(s). */
-	error = xfs_bunmapi(tp, dp, da, args->geo->fsbcount, 0, 0,
-			    &tp->t_firstblock, &done);
+	error = xfs_bunmapi(tp, dp, da, args->geo->fsbcount, 0, 0, &done);
 	if (error) {
 		/*
 		 * ENOSPC actually can happen if we're in a removename with no

fs/xfs/xfs_bmap_util.c

@@ -1041,8 +1041,7 @@ xfs_unmap_extent(
 	xfs_trans_ijoin(tp, ip, 0);
 
 	xfs_defer_init(tp, &dfops, &tp->t_firstblock);
-	error = xfs_bunmapi(tp, ip, startoffset_fsb, len_fsb, 0, 2,
-			    &tp->t_firstblock, done);
+	error = xfs_bunmapi(tp, ip, startoffset_fsb, len_fsb, 0, 2, done);
 	if (error)
 		goto out_bmap_cancel;
 

fs/xfs/xfs_inode.c

@@ -1581,8 +1581,7 @@ xfs_itruncate_extents_flags(
 	while (!done) {
 		xfs_defer_init(tp, &dfops, &tp->t_firstblock);
 		error = xfs_bunmapi(tp, ip, first_unmap_block, unmap_len, flags,
-				    XFS_ITRUNC_MAX_EXTENTS, &tp->t_firstblock,
-				    &done);
+				    XFS_ITRUNC_MAX_EXTENTS, &done);
 		if (error)
 			goto out_bmap_cancel;
 

fs/xfs/xfs_reflink.c

@@ -696,8 +696,7 @@ xfs_reflink_end_cow(
 		/* Unmap the old blocks in the data fork. */
 		xfs_defer_init(tp, &dfops, &tp->t_firstblock);
 		rlen = del.br_blockcount;
-		error = __xfs_bunmapi(tp, ip, del.br_startoff, &rlen, 0, 1,
-				&tp->t_firstblock);
+		error = __xfs_bunmapi(tp, ip, del.br_startoff, &rlen, 0, 1);
 		if (error)
 			goto out_defer;
 
@@ -1044,8 +1043,7 @@ xfs_reflink_remap_extent(
 	rlen = unmap_len;
 	while (rlen) {
 		xfs_defer_init(tp, &dfops, &tp->t_firstblock);
-		error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1,
-				      &tp->t_firstblock);
+		error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1);
 		if (error)
 			goto out_defer;
 

fs/xfs/xfs_symlink.c

@@ -460,8 +460,7 @@ xfs_inactive_symlink_rmt(
 	/*
 	 * Unmap the dead block(s) to the dfops.
 	 */
-	error = xfs_bunmapi(tp, ip, 0, size, 0, nmaps, &tp->t_firstblock,
-			    &done);
+	error = xfs_bunmapi(tp, ip, 0, size, 0, nmaps, &done);
 	if (error)
 		goto error_bmap_cancel;
 	ASSERT(done);