xfs: remove unused tp arg from xfs_da_reada_buf & callers

This one hits a few functions as we unravel the unused arg
up through the callers.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>

fs/xfs/xfs_da_btree.c

@@ -2462,7 +2462,6 @@ xfs_buf_map_from_irec(
  */
 static int
 xfs_dabuf_map(
-	struct xfs_trans	*trans,
 	struct xfs_inode	*dp,
 	xfs_dablk_t		bno,
 	xfs_daddr_t		mappedbno,
@@ -2558,7 +2557,7 @@ xfs_da_get_buf(
 	*bpp = NULL;
 	mapp = ↦
 	nmap = 1;
-	error = xfs_dabuf_map(trans, dp, bno, mappedbno, whichfork,
+	error = xfs_dabuf_map(dp, bno, mappedbno, whichfork,
 				&mapp, &nmap);
 	if (error) {
 		/* mapping a hole is not an error, but we don't continue */
@@ -2606,7 +2605,7 @@ xfs_da_read_buf(
 	*bpp = NULL;
 	mapp = ↦
 	nmap = 1;
-	error = xfs_dabuf_map(trans, dp, bno, mappedbno, whichfork,
+	error = xfs_dabuf_map(dp, bno, mappedbno, whichfork,
 				&mapp, &nmap);
 	if (error) {
 		/* mapping a hole is not an error, but we don't continue */
@@ -2679,7 +2678,6 @@ out_free:
  */
 xfs_daddr_t
 xfs_da_reada_buf(
-	struct xfs_trans	*trans,
 	struct xfs_inode	*dp,
 	xfs_dablk_t		bno,
 	xfs_daddr_t		mappedbno,
@@ -2693,7 +2691,7 @@ xfs_da_reada_buf(
 
 	mapp = ↦
 	nmap = 1;
-	error = xfs_dabuf_map(trans, dp, bno, mappedbno, whichfork,
+	error = xfs_dabuf_map(dp, bno, mappedbno, whichfork,
 				&mapp, &nmap);
 	if (error) {
 		/* mapping a hole is not an error, but we don't continue */

fs/xfs/xfs_da_btree.h

@@ -183,9 +183,9 @@ int	xfs_da_read_buf(struct xfs_trans *trans, struct xfs_inode *dp,
 			       xfs_dablk_t bno, xfs_daddr_t mappedbno,
 			       struct xfs_buf **bpp, int whichfork,
 			       const struct xfs_buf_ops *ops);
-xfs_daddr_t	xfs_da_reada_buf(struct xfs_trans *trans, struct xfs_inode *dp,
-				xfs_dablk_t bno, xfs_daddr_t mapped_bno,
-				int whichfork, const struct xfs_buf_ops *ops);
+xfs_daddr_t	xfs_da_reada_buf(struct xfs_inode *dp, xfs_dablk_t bno,
+				xfs_daddr_t mapped_bno, int whichfork,
+				const struct xfs_buf_ops *ops);
 int	xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno,
 					  struct xfs_buf *dead_buf);
 

fs/xfs/xfs_dir2_data.c

@@ -329,12 +329,11 @@ xfs_dir3_data_read(
 
 int
 xfs_dir3_data_readahead(
-	struct xfs_trans	*tp,
 	struct xfs_inode	*dp,
 	xfs_dablk_t		bno,
 	xfs_daddr_t		mapped_bno)
 {
-	return xfs_da_reada_buf(tp, dp, bno, mapped_bno,
+	return xfs_da_reada_buf(dp, bno, mapped_bno,
 				XFS_DATA_FORK, &xfs_dir3_data_reada_buf_ops);
 }
 

fs/xfs/xfs_dir2_priv.h

@@ -54,8 +54,8 @@ extern int xfs_dir2_leaf_to_block(struct xfs_da_args *args,
 extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
 extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
 		xfs_dablk_t bno, xfs_daddr_t mapped_bno, struct xfs_buf **bpp);
-extern int xfs_dir3_data_readahead(struct xfs_trans *tp, struct xfs_inode *dp,
-		xfs_dablk_t bno, xfs_daddr_t mapped_bno);
+extern int xfs_dir3_data_readahead(struct xfs_inode *dp, xfs_dablk_t bno,
+		xfs_daddr_t mapped_bno);
 
 extern struct xfs_dir2_data_free *
 xfs_dir2_data_freeinsert(struct xfs_dir2_data_hdr *hdr,

fs/xfs/xfs_dir2_readdir.c

@@ -434,7 +434,7 @@ xfs_dir2_leaf_readbuf(
 		 */
 		if (i > mip->ra_current &&
 		    map[mip->ra_index].br_blockcount >= mp->m_dirblkfsbs) {
-			xfs_dir3_data_readahead(NULL, dp,
+			xfs_dir3_data_readahead(dp,
 				map[mip->ra_index].br_startoff + mip->ra_offset,
 				XFS_FSB_TO_DADDR(mp,
 					map[mip->ra_index].br_startblock +
@@ -447,7 +447,7 @@ xfs_dir2_leaf_readbuf(
 		 * use our mapping, but this is a very rare case.
 		 */
 		else if (i > mip->ra_current) {
-			xfs_dir3_data_readahead(NULL, dp,
+			xfs_dir3_data_readahead(dp,
 					map[mip->ra_index].br_startoff +
 							mip->ra_offset, -1);
 			mip->ra_current = i;

fs/xfs/xfs_file.c

@@ -936,7 +936,7 @@ xfs_dir_open(
 	 */
 	mode = xfs_ilock_data_map_shared(ip);
 	if (ip->i_d.di_nextents > 0)
-		xfs_dir3_data_readahead(NULL, ip, 0, -1);
+		xfs_dir3_data_readahead(ip, 0, -1);
 	xfs_iunlock(ip, mode);
 	return 0;
 }