static inline void btrfs_init_data_ref(struct btrfs_ref *generic_ref,
				u64 ref_root, u64 ino, u64 offset, u64 mod_root,
				bool skip_qgroup)
void btrfs_init_data_ref(struct btrfs_ref *generic_ref, u64 ref_root, u64 ino,
			 u64 offset, u64 mod_root, bool skip_qgroup)