},
	)

	if err != nil {
		return fmt.Errorf(
			"Expected volumes to be unmounted. But some volumes are still mounted: %#v", podVolumes)
	}

	return nil
}

func waitForVolumeDetach(
	volumeName v1.UniqueVolumeName,
	volumeManager kubeletvolume.VolumeManager) error {
	attachedVolumes := []v1.UniqueVolumeName{}
	err := retryWithExponentialBackOff(
		time.Duration(50*time.Millisecond),