rem: return 0;
add: return send_notification(0, 0, FSH_NOTIFY_LISTENER, op, nsid, -1, vnida, vnidb, vnidc, name);
context: notify_listener(int op, nspace_id nsid, vnode_id vnida,	vnode_id vnidb, vnode_id vnidc, const char *name){#ifdef DEBUG	char *text;	switch (op) {		case B_ENTRY_CREATED:			text = "B_ENTRY_CREATED";			break;		case B_ENTRY_REMOVED:			text = "B_ENTRY_REMOVED";			break;		case B_ENTRY_MOVED:			text = "B_ENTRY_MOVED";			break;		case B_STAT_CHANGED:			text = "B_STAT_CHANGED";			break;		case B_ATTR_CHANGED:			text = "B_ATTR_CHANGED";			break;		case B_DEVICE_MOUNTED:			text = "B_DEVICE_MOUNTED";			break;		case B_DEVICE_UNMOUNTED:			text = "B_DEVICE_UNMOUNTED";			break;		default:			text = "unknown operation...";			break;	}	printf("notify_listener: %s\n", text);#endif	return 0;}