func (a *flexVolumeAttacher) GetDeviceMountPath(spec *volume.Spec) (string, error) {
	return a.plugin.getDeviceMountPath(spec)
}

// MountDevice is part of the volume.Attacher interface
func (a *flexVolumeAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string, _ volume.DeviceMounterArgs) error {
	// Mount only once.

	return a.plugin.getDeviceMountPath(spec)
}

// MountDevice is part of the volume.Attacher interface
func (a *attacherDefaults) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string, mounter mount.Interface) error {
	klog.Warning(logPrefix(a.plugin.flexVolumePlugin), "using default MountDevice for volume ", spec.Name(), ", device ", devicePath, ", deviceMountPath ", deviceMountPath)

	plugin.runner = fakeRunner(
		assertDriverCall(t, notSupportedOutput(), mountDeviceCmd, rootDir+"/mount-dir", "/dev/sdx",
			specJSON(plugin, spec, nil)),
	)

	a, _ := plugin.NewAttacher()
	a.MountDevice(spec, "/dev/sdx", rootDir+"/mount-dir", volume.DeviceMounterArgs{})
}

func TestIsVolumeAttached(tt *testing.T) {
	t := harness.For(tt)
	defer t.Close()

	spec := fakeVolumeSpec()

		// new iface name is <target portal>:<volume name>
		mounter.Iface = mounter.Portals[0] + ":" + mounter.VolName
	}
	return attacher.manager.MakeGlobalPDName(*mounter.iscsiDisk), nil
}

func (attacher *iscsiAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string, mountArgs volume.DeviceMounterArgs) error {
	mounter := attacher.host.GetMounter(iscsiPluginName)
	notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)

const (
	// Driver calls
	initCmd          = "init"
	getVolumeNameCmd = "getvolumename"

	isAttached = "isattached"

	attachCmd        = "attach"
	waitForAttachCmd = "waitforattach"
	mountDeviceCmd   = "mountdevice"

	detachCmd        = "detach"
	unmountDeviceCmd = "unmountdevice"

	mountCmd   = "mount"
	unmountCmd = "unmount"

	expandVolumeCmd = "expandvolume"
	expandFSCmd     = "expandfs"

	// Option keys

	if err != nil {
		klog.Warningf("failed to get fc mounter: %v", err)
		return "", err
	}

	return attacher.manager.MakeGlobalPDName(*mounter.fcDisk), nil
}

func (attacher *fcAttacher) MountDevice(spec *volume.Spec, devicePath string, deviceMountPath string, mountArgs volume.DeviceMounterArgs) error {
	mounter := attacher.host.GetMounter(fcPluginName)
	notMnt, err := mounter.IsLikelyNotMountPoint(deviceMountPath)