void bch2_data_update_read_done(struct data_update *,
struct bch_extent_crc_unpacked);
+int bch2_extent_drop_ptrs(struct btree_trans *,
+ struct btree_iter *,
+ struct bkey_s_c,
+ struct data_update_opts);
+
void bch2_data_update_exit(struct data_update *);
-void bch2_update_unwritten_extent(struct btree_trans *, struct data_update *);
-int bch2_data_update_init(struct btree_trans *, struct moving_context *,
+int bch2_data_update_init(struct btree_trans *, struct btree_iter *,
+ struct moving_context *,
struct data_update *,
struct write_point_specifier,
struct bch_io_opts, struct data_update_opts,