-void bch2_btree_update_done(struct btree_update *);
-struct btree_update *
-bch2_btree_update_start(struct btree_trans *, enum btree_id, unsigned,
- unsigned, struct closure *);
-
-void bch2_btree_interior_update_will_free_node(struct btree_update *,
- struct btree *);
-void bch2_btree_update_add_new_node(struct btree_update *, struct btree *);
-
-void bch2_btree_insert_node(struct btree_update *, struct btree *,
- struct btree_iter *, struct keylist *,
- unsigned);
-int bch2_btree_split_leaf(struct bch_fs *, struct btree_iter *, unsigned);