}
	return reply, nil
}

func (l *lockServer) Refresh(args *LockArgs) (reply bool, err error) {
	if d := atomic.LoadInt64(&l.responseDelay); d != 0 {
		time.Sleep(time.Duration(d))
	}

	l.mutex.Lock()
	defer l.mutex.Unlock()
	reply = !l.lockNotFound
	return reply, nil
}

func (l *lockServer) ForceUnlock(args *LockArgs) (reply bool, err error) {
	if d := atomic.LoadInt64(&l.responseDelay); d != 0 {