btrfs: drop redundant parameters from btrfs_map_sblock

All callers pass 0 for mirror_num and 1 for need_raid_map.
Signed-off-by: NDavid Sterba <dsterba@suse.com>

fs/btrfs/scrub.c

@@ -1331,7 +1331,7 @@ static int scrub_setup_recheck_block(struct scrub_block *original_sblock,
 		 * represents one mirror
 		 */
 		ret = btrfs_map_sblock(fs_info, BTRFS_MAP_GET_READ_MIRRORS,
-				logical, &mapped_length, &bbio, 0, 1);
+				logical, &mapped_length, &bbio);
 		if (ret || !bbio || mapped_length < sublen) {
 			btrfs_put_bbio(bbio);
 			return -EIO;
@@ -2192,7 +2192,7 @@ static void scrub_missing_raid56_pages(struct scrub_block *sblock)
 	int i;
 
 	ret = btrfs_map_sblock(fs_info, BTRFS_MAP_GET_READ_MIRRORS, logical,
-			&length, &bbio, 0, 1);
+			&length, &bbio);
 	if (ret || !bbio || !bbio->raid_map)
 		goto bbio_out;
 
@@ -2780,7 +2780,7 @@ static void scrub_parity_check_and_repair(struct scrub_parity *sparity)
 
 	length = sparity->logic_end - sparity->logic_start;
 	ret = btrfs_map_sblock(fs_info, BTRFS_MAP_WRITE, sparity->logic_start,
-			       &length, &bbio, 0, 1);
+			       &length, &bbio);
 	if (ret || !bbio || !bbio->raid_map)
 		goto bbio_out;
 

fs/btrfs/volumes.c

@@ -5952,11 +5952,9 @@ int btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
 /* For Scrub/replace */
 int btrfs_map_sblock(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
 		     u64 logical, u64 *length,
-		     struct btrfs_bio **bbio_ret, int mirror_num,
-		     int need_raid_map)
+		     struct btrfs_bio **bbio_ret)
 {
-	return __btrfs_map_block(fs_info, op, logical, length, bbio_ret,
-				 mirror_num, need_raid_map);
+	return __btrfs_map_block(fs_info, op, logical, length, bbio_ret, 0, 1);
 }
 
 int btrfs_rmap_block(struct btrfs_fs_info *fs_info,

fs/btrfs/volumes.h

@@ -400,8 +400,7 @@ int btrfs_map_block(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
 		    struct btrfs_bio **bbio_ret, int mirror_num);
 int btrfs_map_sblock(struct btrfs_fs_info *fs_info, enum btrfs_map_op op,
 		     u64 logical, u64 *length,
-		     struct btrfs_bio **bbio_ret, int mirror_num,
-		     int need_raid_map);
+		     struct btrfs_bio **bbio_ret);
 int btrfs_rmap_block(struct btrfs_fs_info *fs_info,
 		     u64 chunk_start, u64 physical, u64 devid,
 		     u64 **logical, int *naddrs, int *stripe_len);