plugin.Lock()
	defer plugin.Unlock()
	if spec.Name() == FailNewMounter {
		return nil, fmt.Errorf("AlwaysFailNewMounter")
	}
	fakeVolume := plugin.getFakeVolume(&plugin.Mounters)
	fakeVolume.Lock()
	defer fakeVolume.Unlock()
	fakeVolume.PodUID = pod.UID
	fakeVolume.VolName = spec.Name()
	fakeVolume.Plugin = plugin