+ __bkey_for_each_ptr(&(_e).v->start->ptr, extent_entry_last(_e), _ptr)
+
+#define extent_for_each_ptr_decode(_e, _ptr, _entry) \
+ __bkey_for_each_ptr_decode((_e).k, (_e).v->start, \
+ extent_entry_last(_e), _ptr, _entry)
+
+/* utility code common to all keys with pointers: */
+
+void bch2_mark_io_failure(struct bch_io_failures *,
+ struct extent_ptr_decoded *);
+int bch2_bkey_pick_read_device(struct bch_fs *, struct bkey_s_c,
+ struct bch_io_failures *,
+ struct extent_ptr_decoded *);
+
+/* KEY_TYPE_btree_ptr: */
+
+int bch2_btree_ptr_invalid(const struct bch_fs *, struct bkey_s_c,
+ enum bkey_invalid_flags, struct printbuf *);
+void bch2_btree_ptr_to_text(struct printbuf *, struct bch_fs *,
+ struct bkey_s_c);
+
+int bch2_btree_ptr_v2_invalid(const struct bch_fs *, struct bkey_s_c,
+ enum bkey_invalid_flags, struct printbuf *);
+void bch2_btree_ptr_v2_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
+void bch2_btree_ptr_v2_compat(enum btree_id, unsigned, unsigned,
+ int, struct bkey_s);
+
+#define bch2_bkey_ops_btree_ptr ((struct bkey_ops) { \
+ .key_invalid = bch2_btree_ptr_invalid, \
+ .val_to_text = bch2_btree_ptr_to_text, \
+ .swab = bch2_ptr_swab, \
+ .trans_trigger = bch2_trans_mark_extent, \
+ .atomic_trigger = bch2_mark_extent, \
+})