u64 ref_generation, u64 owner_objectid, int action,
int pin);
-struct btrfs_delayed_ref *
-btrfs_find_delayed_ref(struct btrfs_trans_handle *trans, u64 bytenr,
- u64 parent);
+struct btrfs_delayed_ref_head *
+btrfs_find_delayed_ref_head(struct btrfs_trans_handle *trans, u64 bytenr);
int btrfs_delayed_ref_pending(struct btrfs_trans_handle *trans, u64 bytenr);
int btrfs_lock_delayed_ref(struct btrfs_trans_handle *trans,
struct btrfs_delayed_ref_node *ref,