template: &api.PersistentVolume{
				Spec: api.PersistentVolumeSpec{
					PersistentVolumeSource: api.PersistentVolumeSource{
						PhotonPersistentDisk: &api.PhotonPersistentDiskVolumeSource{
							PdID:   "",
							FSType: "",
						},
					},
				},
			},
			expected: []string{
				`spec.photonPersistentDisk: deprecated in v1.11, non-functional in v1.16+`,
			},
		},
		{
			name: "PV RBD deprecation warning",

					Volumes: []v1.Volume{
						{
							Name: migratedVolume,
							VolumeSource: v1.VolumeSource{
								GCEPersistentDisk: &v1.GCEPersistentDiskVolumeSource{
									PDName:    "test-disk",
									FSType:    "ext4",
									Partition: 0,
									ReadOnly:  false,
								},
							},
						},
					},
				},
			},
			wantPersistentVolume: &v1.PersistentVolume{
				ObjectMeta: metav1.ObjectMeta{

			}
			sio.FSType = c.RandString()
			if sio.FSType == "" {
				sio.FSType = "xfs"
			}
		},
		func(sio *core.ScaleIOPersistentVolumeSource, c fuzz.Continue) {
			sio.StorageMode = c.RandString()
			if sio.StorageMode == "" {
				sio.StorageMode = "ThinProvisioned"
			}
			sio.FSType = c.RandString()
			if sio.FSType == "" {
				sio.FSType = "xfs"
			}
		},

		err := v.DecodeMsg(dc)
		if err != nil {
			b.Fatal(err)
		}
	}
}

func BenchmarkDecodeDiskInfoMsgp(b *testing.B) {
	v := DiskInfo{
		Total:     1000,
		Free:      1000,
		Used:      1000,
		FSType:    "xfs",
		RootDisk:  true,
		Healing:   true,
		Endpoint:  "http://localhost:9001/tmp/drive1",
		MountPath: "/tmp/drive1",
		ID:        "uuid",
		Error:     "",
	}
	var buf bytes.Buffer

	err = dm.mounter.FormatAndMount(devicePath, deviceMountPath, fstype, mountOptions)
	if err != nil {
		if rmErr := os.Remove(deviceMountPath); rmErr != nil {
			klog.Warningf("local: failed to remove %s: %v", deviceMountPath, rmErr)
		}
		return fmt.Errorf("local: failed to mount device %s at %s (fstype: %s), error %w", devicePath, deviceMountPath, fstype, err)
	}

func (*VolumeProvider) GetQuotaApplier(mountpoint string, backingDev string) LinuxVolumeQuotaApplier {
	for _, fsType := range linuxSupportedFilesystems {
		if isFilesystemOfType(mountpoint, backingDev, fsType.typeMagic) {
			return linuxVolumeQuotaApplier{mountpoint: mountpoint,
				maxQuota:         fsType.maxQuota,
				allowEmptyOutput: fsType.allowEmptyOutput,
			}
		}
	}
	return nil
}

type linuxVolumeQuotaApplier struct {

	pwx, readOnly, err := getVolumeSource(spec)
	if err != nil {
		return nil, err
	}

	volumeID := pwx.VolumeID
	fsType := pwx.FSType

	return &portworxVolumeMounter{
		portworxVolume: &portworxVolume{
			podUID:          podUID,
			volName:         spec.Name(),
			volumeID:        volumeID,
			manager:         manager,

		//Add volume metrics
		iscsiDisk.MetricsProvider = volume.NewMetricsStatFS(iscsiDisk.GetPath())
	}
	return &iscsiDiskMounter{
		iscsiDisk:    iscsiDisk,
		fsType:       fsType,
		readOnly:     readOnly,
		mounter:      &mount.SafeFormatAndMount{Interface: mounter, Exec: exec},
		exec:         exec,
		deviceUtil:   ioutil.NewDeviceHandler(ioutil.NewIOHandler()),
		mountOptions: ioutil.MountOptionFromSpec(spec),
	}, nil

	if err != nil {
		return nil, err
	}

	klog.V(5).Infof("fc: volumeSpecToMounter volumeMode %s", volumeMode)
	return &fcDiskMounter{
		fcDisk:       fcDisk,
		fsType:       fc.FSType,
		volumeMode:   volumeMode,
		readOnly:     readOnly,
		mounter:      volumeutil.NewSafeFormatAndMountFromHost(fcPluginName, host),
		deviceUtil:   volumeutil.NewDeviceHandler(volumeutil.NewIOHandler()),

				CephMonitors: []string{"a", "b"},
				RBDPool:      "foo",
				RBDImage:     "bar",
				FSType:       "ext4",
			},
		},
	}
	volState2 := v1.Volume{
		VolumeSource: v1.VolumeSource{
			RBD: &v1.RBDVolumeSource{
				CephMonitors: []string{"c", "d"},
				RBDPool:      "foo",
				RBDImage:     "bar",
				FSType:       "ext4",
			},
		},
	}