btrfs: remove unnecessary fs_info argument from delete_block_group_cache()

The fs_info can be taken from the given block group, so there is no need
to pass it as an argument.

Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

Author: fdmanana

fs/btrfs/relocation.c

@@ -3239,11 +3239,11 @@ static int __add_tree_block(struct reloc_control *rc,
 	return ret;
 }
 
-static int delete_block_group_cache(struct btrfs_fs_info *fs_info,
-				    struct btrfs_block_group *block_group,
+static int delete_block_group_cache(struct btrfs_block_group *block_group,
 				    struct inode *inode,
 				    u64 ino)
 {
+	struct btrfs_fs_info *fs_info = block_group->fs_info;
 	struct btrfs_root *root = fs_info->tree_root;
 	struct btrfs_trans_handle *trans;
 	struct btrfs_inode *btrfs_inode;
@@ -3315,8 +3315,7 @@ static int delete_v1_space_cache(struct extent_buffer *leaf,
 	}
 	if (!found)
 		return -ENOENT;
-	ret = delete_block_group_cache(leaf->fs_info, block_group, NULL,
-					space_cache_ino);
+	ret = delete_block_group_cache(block_group, NULL, space_cache_ino);
 	return ret;
 }
 
@@ -3980,7 +3979,7 @@ int btrfs_relocate_block_group(struct btrfs_fs_info *fs_info, u64 group_start)
 	btrfs_free_path(path);
 
 	if (!IS_ERR(inode))
-		ret = delete_block_group_cache(fs_info, rc->block_group, inode, 0);
+		ret = delete_block_group_cache(rc->block_group, inode, 0);
 	else
 		ret = PTR_ERR(inode);