}
}

// volume.Unmounter methods
var _ volume.Unmounter = &csiMountMgr{}

func (c *csiMountMgr) TearDown() error {
	return c.TearDownAt(c.GetPath())
}
func (c *csiMountMgr) TearDownAt(dir string) error {
	klog.V(4).Infof(log("Unmounter.TearDownAt(%s)", dir))

	volID := c.volumeID
	csi, err := c.csiClientGetter.Get()
	if err != nil {
		// Treat the absence of the CSI driver as a transient error

// TearDown does nothing.
func (c *hostPathUnmounter) TearDown() error {
	return nil
}

// TearDownAt does not make sense for host paths - probably programmer error.
func (c *hostPathUnmounter) TearDownAt(dir string) error {
	return fmt.Errorf("TearDownAt() does not make sense for host paths")
}

// hostPathProvisioner implements a Provisioner for the HostPath plugin

	return c.TearDownAt(c.GetPath())
}

func (c *projectedVolumeUnmounter) TearDownAt(dir string) error {
	klog.V(3).Infof("Tearing down volume %v for pod %v at %v", c.volName, c.podUID, dir)

	wrapped, err := c.plugin.host.NewWrapperUnmounter(c.volName, wrappedVolumeSpec(), c.podUID)
	if err != nil {
		return err
	}
	if err = wrapped.TearDownAt(dir); err != nil {
		return err
	}

			}
			csiUnmounter := unmounter.(*csiMountMgr)
			csiUnmounter.csiClient = csiClient

			if err := csiUnmounter.TearDownAt(mounter.GetPath()); err != nil {
				t.Fatal("csiTest.VolumeAll unmounter.TearDownAt failed:", err)
			}
			t.Log("csiTest.VolumeAll unmounter.TearDownAt done OK for dir:", mounter.GetPath())

			// unmount device
			t.Log("csiTest.VolumeAll Unmouting device...")

	*configMapVolume
}

var _ volume.Unmounter = &configMapVolumeUnmounter{}

func (c *configMapVolumeUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

func (c *configMapVolumeUnmounter) TearDownAt(dir string) error {
	return volumeutil.UnmountViaEmptyDir(dir, c.plugin.host, c.volName, wrappedVolumeSpec(), c.podUID)
}

var _ volume.Unmounter = &downwardAPIVolumeUnmounter{}

func (c *downwardAPIVolumeUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

func (c *downwardAPIVolumeUnmounter) TearDownAt(dir string) error {
	return volumeutil.UnmountViaEmptyDir(dir, c.plugin.host, c.volName, wrappedVolumeSpec(), c.podUID)
}

// resource was the last reference to that disk on the kubelet.
func (c *portworxVolumeUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

// Unmounts the bind mount, and detaches the disk only if the PD
// resource was the last reference to that disk on the kubelet.
func (c *portworxVolumeUnmounter) TearDownAt(dir string) error {
	klog.Infof("Portworx Volume TearDown of %s", dir)

}

// TearDown simply discards everything in the directory.
func (ed *emptyDir) TearDown() error {
	return ed.TearDownAt(ed.GetPath())
}

// TearDownAt simply discards everything in the directory.
func (ed *emptyDir) TearDownAt(dir string) error {
	// First remove ready dir which created in SetUp func
	readyDir := ed.getMetaDir()

}

var _ volume.Unmounter = &localVolumeUnmounter{}

// TearDown unmounts the bind mount
func (u *localVolumeUnmounter) TearDown() error {
	return u.TearDownAt(u.GetPath())
}

// TearDownAt unmounts the bind mount
func (u *localVolumeUnmounter) TearDownAt(dir string) error {
	klog.V(4).Infof("Unmounting volume %q at path %q\n", u.volName, dir)

// Unmounts the bind mount, and detaches the disk only if the disk
// resource was the last reference to that disk on the kubelet.
func (c *iscsiDiskUnmounter) TearDown() error {
	return c.TearDownAt(c.GetPath())
}

func (c *iscsiDiskUnmounter) TearDownAt(dir string) error {
	return mount.CleanupMountPoint(dir, c.mounter, false)
}

// Block Volumes Support
type iscsiDiskMapper struct {
	*iscsiDisk
	readOnly   bool