options := []string{"bind"}
	if b.readOnly {
		options = append(options, "ro")
	}
	mountOptions := util.JoinMountOptions(options, b.mountOptions)
	err = mounter.MountSensitiveWithoutSystemd(globalPDPath, volPath, "", mountOptions, nil)
	if err != nil {
		klog.Errorf("Failed to bind mount: source:%s, target:%s, err:%v", globalPDPath, volPath, err)
		noMnt, mntErr := b.mounter.IsLikelyNotMountPoint(volPath)

		}

		defer func() {
			err = os.RemoveAll(mountPath)
			if err != nil {
				klog.ErrorS(err, "error removing test tmpfs dir", "mount path", mountPath)
			}
		}()

		err = mounter.MountSensitiveWithoutSystemd("tmpfs", mountPath, "tmpfs", []string{TmpfsNoswapOption}, nil)
		if err != nil {
			klog.InfoS("error mounting tmpfs with the noswap option. Assuming not supported", "error", err)
			return false
		}

		b.iscsiDisk.Iface = b.iscsiDisk.Portals[0] + ":" + b.iscsiDisk.VolName
	}
	globalPDPath := manager.MakeGlobalPDName(*b.iscsiDisk)
	mountOptions := util.JoinMountOptions(b.mountOptions, options)
	err = mounter.MountSensitiveWithoutSystemd(globalPDPath, volPath, "", mountOptions, nil)
	if err != nil {
		klog.Errorf("Failed to bind mount: source:%s, target:%s, err:%v", globalPDPath, volPath, err)
		noMnt, mntErr := b.mounter.IsLikelyNotMountPoint(volPath)

// It is expected that prepareForMount has been called before.
func doMount(mounter mount.Interface, devicePath, deviceMountPath, fsType string, options []string) error {
	err := mounter.MountSensitiveWithoutSystemd(devicePath, deviceMountPath, fsType, options, nil)
	if err != nil {
		klog.Errorf("Failed to mount the volume at %s, device: %s, error: %s", deviceMountPath, devicePath, err.Error())
		return err
	}

	klog.V(3).Infof("pod %v: mounting tmpfs for volume %v", ed.pod.UID, ed.volName)
	return ed.mounter.MountSensitiveWithoutSystemd("tmpfs", dir, "tmpfs", options, nil)
}

// setupHugepages creates a hugepage mount at the specified directory.
func (ed *emptyDir) setupHugepages(dir string) error {
	if ed.mounter == nil {

	options := []string{}
	if nfsMounter.readOnly {
		options = append(options, "ro")
	}
	mountOptions := util.JoinMountOptions(nfsMounter.mountOptions, options)
	err = nfsMounter.mounter.MountSensitiveWithoutSystemd(source, dir, "nfs", mountOptions, nil)
	if err != nil {
		notMnt, mntErr := mount.IsNotMountPoint(nfsMounter.mounter, dir)
		if mntErr != nil {
			klog.Errorf("IsNotMountPoint check failed: %v", mntErr)

	}

	// Bind mount file
	mounter := &mount.SafeFormatAndMount{Interface: mount.New(""), Exec: utilexec.New()}
	if err := mounter.MountSensitiveWithoutSystemd(devicePath, linkPath, "" /* fsType */, []string{"bind"}, nil); err != nil {
		return fmt.Errorf("failed to bind mount devicePath: %s to linkPath %s: %v", devicePath, linkPath, err)
	}

	return nil
}

	err := os.MkdirAll(globalPath, 0750)
	if err != nil {
		return "", err
	}
	// Simulate the global mount so that the fakeMounter returns the
	// expected number of mounts for the attached disk.
	b.mounter.MountSensitiveWithoutSystemd(globalPath, globalPath, b.fsType, nil, nil)

	return "/dev/sdb", nil
}

func (fake *fakeDiskManager) DetachDisk(c iscsiDiskUnmounter, mntPath string) error {

	}
	mountOptions := util.JoinMountOptions(options, m.mountOptions)

	klog.V(4).Infof("attempting to mount %s", dir)
	globalPath := util.MakeAbsolutePath(runtime.GOOS, m.globalPath)
	err = m.mounter.MountSensitiveWithoutSystemd(globalPath, dir, "", mountOptions, nil)
	if err != nil {
		klog.Errorf("Mount of volume %s failed: %v", dir, err)
		notMnt, mntErr := mount.IsNotMountPoint(m.mounter, dir)
		if mntErr != nil {