}

func (p *csiPlugin) NewDeviceUnmounter() (volume.DeviceUnmounter, error) {
	return p.NewDetacher()
}

func (p *csiPlugin) GetDeviceMountRefs(deviceMountPath string) ([]string, error) {
	m := p.host.GetMounter(p.GetPluginName())
	return m.GetMountRefs(deviceMountPath)
}

// BlockVolumePlugin methods
var _ volume.BlockVolumePlugin = &csiPlugin{}

// and Exec taken from given VolumeHost.
func NewSafeFormatAndMountFromHost(pluginName string, host volume.VolumeHost) *mount.SafeFormatAndMount {
	mounter := host.GetMounter(pluginName)
	exec := host.GetExec(pluginName)
	return &mount.SafeFormatAndMount{Interface: mounter, Exec: exec}
}

// GetVolumeMode retrieves VolumeMode from pv.

	return nil, fmt.Errorf("NewWrapperUnmounter not supported by Attach/Detach controller's VolumeHost implementation")
}

func (adc *attachDetachController) GetMounter(pluginName string) mount.Interface {
	return nil
}

func (adc *attachDetachController) GetHostName() string {
	return ""
}

func (adc *attachDetachController) GetHostIP() (net.IP, error) {

	// the provided spec.  See comments on NewWrapperMounter for more
	// context.
	NewWrapperUnmounter(volName string, spec Spec, podUID types.UID) (Unmounter, error)

	// Get mounter interface.
	GetMounter(pluginName string) mount.Interface

	// Returns the hostname of the host kubelet is running on
	GetHostName() string

	// Returns host IP or nil in the case of error.
	GetHostIP() (net.IP, error)