18 int bch2_backpointer_validate(struct bch_fs *c, struct bkey_s_c k,  in bch2_backpointer_validate()
36 void bch2_backpointer_to_text(struct printbuf *out, struct bch_fs *c, struct bkey_s_c k)  in bch2_backpointer_to_text()
72 			      struct bkey_s_c k,  in extent_matches_bp()
92 					struct bkey_s_c orig_k,  in backpointer_mod_err()
94 					struct bkey_s_c found_bp,  in backpointer_mod_err()
141 				struct bkey_s_c orig_k,  in bch2_bucket_backpointer_mod_nowritebuffer()
146 	struct bkey_s_c k = bch2_bkey_get_iter(trans, &bp_iter, BTREE_ID_backpointers,  in bch2_bucket_backpointer_mod_nowritebuffer()
184 					 struct bkey_s_c visiting_k,  in bch2_backpointers_maybe_flush()
194 				  struct bkey_s_c target_k,  in backpointer_target_not_found()
297 static struct bkey_s_c __bch2_backpointer_get_key(struct btree_trans *trans,  in __bch2_backpointer_get_key()
315 	struct bkey_s_c k = bch2_btree_iter_peek_slot(trans, iter);  in __bch2_backpointer_get_key()
347 			return ((struct bkey_s_c) { .k = ERR_CAST(b) });  in __bch2_backpointer_get_key()
361 struct bkey_s_c bch2_backpointer_get_key(struct btree_trans *trans,  in bch2_backpointer_get_key()
370 static int bch2_check_backpointer_has_valid_bucket(struct btree_trans *trans, struct bkey_s_c k,  in bch2_check_backpointer_has_valid_bucket()
378 	struct bkey_s_c alloc_k;  in bch2_check_backpointer_has_valid_bucket()
443 			       struct bkey_s_c extent, unsigned dev)  in drop_dev_and_update()
455 				 enum btree_id btree, struct bkey_s_c extent,  in check_extent_checksum()
456 				 enum btree_id o_btree, struct bkey_s_c extent2, unsigned dev)  in check_extent_checksum()
526 			   struct bkey_s_c orig_k)  in check_bp_exists()
537 	struct bkey_s_c bp_k = bch2_bkey_get_iter(trans, &bp_iter, BTREE_ID_backpointers, bp->k.p, 0);  in check_bp_exists()
564 	struct bkey_s_c other_extent =  in check_bp_exists()
659 					struct bkey_s_c k)  in check_extent_to_backpointers()
701 	struct bkey_s_c k;  in check_btree_root_to_backpointers()
856 static int check_bucket_backpointer_mismatch(struct btree_trans *trans, struct bkey_s_c alloc_k,  in check_bucket_backpointer_mismatch()
877 	struct bkey_s_c bp_k;  in check_bucket_backpointer_mismatch()
946 static bool backpointer_node_has_missing(struct bch_fs *c, struct bkey_s_c k)  in backpointer_node_has_missing()
1170 				 struct bkey_s_c bp_k,  in check_one_backpointer()
1184 	struct bkey_s_c k = bch2_backpointer_get_key(trans, bp, &iter, 0, last_flushed);  in check_one_backpointer()