+/* misc: */
+
+static inline void btree_path_set_should_be_locked(struct btree_path *path)
+{
+ EBUG_ON(!btree_node_locked(path, path->level));
+ EBUG_ON(path->uptodate);
+
+ path->should_be_locked = true;
+}
+
+static inline void __btree_path_set_level_up(struct btree_trans *trans,
+ struct btree_path *path,
+ unsigned l)
+{
+ btree_node_unlock(trans, path, l);
+ path->l[l].b = ERR_PTR(-BCH_ERR_no_btree_node_up);
+}
+
+static inline void btree_path_set_level_up(struct btree_trans *trans,
+ struct btree_path *path)
+{
+ __btree_path_set_level_up(trans, path, path->level++);
+ btree_path_set_dirty(path, BTREE_ITER_NEED_TRAVERSE);
+}
+
+/* debug */
+
+struct six_lock_count bch2_btree_node_lock_counts(struct btree_trans *,
+ struct btree_path *,
+ struct btree_bkey_cached_common *b,
+ unsigned);
+
+int bch2_check_for_deadlock(struct btree_trans *, struct printbuf *);
+
+#ifdef CONFIG_BCACHEFS_DEBUG
+void bch2_btree_path_verify_locks(struct btree_path *);
+void bch2_trans_verify_locks(struct btree_trans *);
+#else
+static inline void bch2_btree_path_verify_locks(struct btree_path *path) {}
+static inline void bch2_trans_verify_locks(struct btree_trans *trans) {}
+#endif
+
+#endif /* _BCACHEFS_BTREE_LOCKING_H */