struct btrfs_fs_devices **fs_devices_ret,
u64 *total_devs, u64 super_offset);
int btrfs_num_copies(struct btrfs_mapping_tree *map_tree, u64 logical, u64 len);
+int btrfs_bootstrap_super_map(struct btrfs_mapping_tree *map_tree,
+ struct btrfs_fs_devices *fs_devices);
#endif