btrfs-progs: Refactor btrfs_map_block and its variants to use btrfs_fs_info

Just to keep the 1st paramter the same as kernel.

We can also save a few lines since the parameter is shorter now.

Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

1 files changed, 9 insertions, 7 deletions

diff --git a/volumes.c b/volumes.c
index 990300f4..1ff90f0c 100644
--- a/volumes.c
+++ b/volumes.c
@@ -1284,10 +1284,11 @@ int btrfs_next_bg(struct btrfs_mapping_tree *map_tree, u64 *logical,
 	return -ENOENT;
 }
 
-int btrfs_rmap_block(struct btrfs_mapping_tree *map_tree,
+int btrfs_rmap_block(struct btrfs_fs_info *fs_info,
 		     u64 chunk_start, u64 physical, u64 devid,
 		     u64 **logical, int *naddrs, int *stripe_len)
 {
+	struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
 	struct cache_extent *ce;
 	struct map_lookup *map;
 	u64 *buf;
@@ -1379,20 +1380,21 @@ static void sort_parity_stripes(struct btrfs_multi_bio *bbio, u64 *raid_map)
 	}
 }
 
-int btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
+int btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
 		    u64 logical, u64 *length,
 		    struct btrfs_multi_bio **multi_ret, int mirror_num,
 		    u64 **raid_map_ret)
 {
-	return __btrfs_map_block(map_tree, rw, logical, length, NULL,
+	return __btrfs_map_block(fs_info, rw, logical, length, NULL,
 				 multi_ret, mirror_num, raid_map_ret);
 }
 
-int __btrfs_map_block(struct btrfs_mapping_tree *map_tree, int rw,
-		    u64 logical, u64 *length, u64 *type,
-		    struct btrfs_multi_bio **multi_ret, int mirror_num,
-		    u64 **raid_map_ret)
+int __btrfs_map_block(struct btrfs_fs_info *fs_info, int rw,
+		      u64 logical, u64 *length, u64 *type,
+		      struct btrfs_multi_bio **multi_ret, int mirror_num,
+		      u64 **raid_map_ret)
 {
+	struct btrfs_mapping_tree *map_tree = &fs_info->mapping_tree;
 	struct cache_extent *ce;
 	struct map_lookup *map;
 	u64 offset;