8217 				btrfs_tree_unlock_rw(eb, path->locks[level]);  in adjust_slots_upwards()
8218 				path->locks[level] = 0;  in adjust_slots_upwards()
8290 	path->locks[root_level] = 0; /* so release_path doesn't try to unlock */  in account_shared_subtree()
8321 			path->locks[level] = BTRFS_READ_LOCK_BLOCKING;  in account_shared_subtree()
8382 		BUG_ON(!path->locks[level]);  in walk_down_proc()
8397 		if (path->locks[level] && !wc->keep_locks) {  in walk_down_proc()
8398 			btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_down_proc()
8399 			path->locks[level] = 0;  in walk_down_proc()
8406 		BUG_ON(!path->locks[level]);  in walk_down_proc()
8422 	if (path->locks[level] && level > 0) {  in walk_down_proc()
8423 		btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_down_proc()
8424 		path->locks[level] = 0;  in walk_down_proc()
8551 	path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in do_walk_down()
8629 		if (!path->locks[level]) {  in walk_up_proc()
8633 			path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in walk_up_proc()
8640 				btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_up_proc()
8641 				path->locks[level] = 0;  in walk_up_proc()
8646 				btrfs_tree_unlock_rw(eb, path->locks[level]);  in walk_up_proc()
8647 				path->locks[level] = 0;  in walk_up_proc()
8654 	BUG_ON(wc->refs[level] > 1 && !path->locks[level]);  in walk_up_proc()
8673 		if (!path->locks[level] &&  in walk_up_proc()
8677 			path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in walk_up_proc()
8755 			if (path->locks[level]) {  in walk_up_tree()
8757 						     path->locks[level]);  in walk_up_tree()
8758 				path->locks[level] = 0;  in walk_up_tree()
8825 		path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in btrfs_drop_snapshot()
8854 			path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in btrfs_drop_snapshot()
8870 			path->locks[level] = 0;  in btrfs_drop_snapshot()
9035 	path->locks[level] = BTRFS_WRITE_LOCK_BLOCKING;  in btrfs_drop_subtree()