}

	if spec.StorageClassName != nil && len(*spec.StorageClassName) > 0 {
		for _, msg := range ValidateClassName(*spec.StorageClassName, false) {
			allErrs = append(allErrs, field.Invalid(fldPath.Child("storageClassName"), *spec.StorageClassName, msg))
		}
	}
	if spec.VolumeMode != nil && !supportedVolumeModes.Has(*spec.VolumeMode) {

	// storageClassName is the name of StorageClass to which this persistent volume belongs. Empty value
	// means that this volume does not belong to any StorageClass.
	// +optional
	StorageClassName string `json:"storageClassName,omitempty" protobuf:"bytes,6,opt,name=storageClassName"`
	// mountOptions is the list of mount options, e.g. ["ro", "soft"]. Not validated - mount will

	if err := Convert_v1_VolumeResourceRequirements_To_core_VolumeResourceRequirements(&in.Resources, &out.Resources, s); err != nil {
		return err
	}
	out.VolumeName = in.VolumeName
	out.StorageClassName = (*string)(unsafe.Pointer(in.StorageClassName))
	out.VolumeMode = (*core.PersistentVolumeMode)(unsafe.Pointer(in.VolumeMode))
	out.DataSource = (*core.TypedLocalObjectReference)(unsafe.Pointer(in.DataSource))

	"volumeName":                "volumeName is the binding reference to the PersistentVolume backing this claim.",
	"storageClassName":          "storageClassName is the name of the StorageClass required by the claim. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1",

  // +optional
  optional string volumeName = 3;

  // storageClassName is the name of the StorageClass required by the claim.
  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1
  // +optional
  optional string storageClassName = 5;

  // volumeMode defines what type of volume is required by the claim.

  // +optional
  optional string volumeName = 3;

  // storageClassName is the name of the StorageClass required by the claim.
  // More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1
  // +optional
  optional string storageClassName = 5;

  // volumeMode defines what type of volume is required by the claim.

              }
            ],
            "description": "scaleIO represents a ScaleIO persistent volume attached and mounted on Kubernetes nodes."
          },
          "storageClassName": {
            "description": "storageClassName is the name of StorageClass to which this persistent volume belongs. Empty value means that this volume does not belong to any StorageClass.",
            "type": "string"
          },

	PersistentVolumeReclaimPolicy PersistentVolumeReclaimPolicy
	// Name of StorageClass to which this persistent volume belongs. Empty value
	// means that this volume does not belong to any StorageClass.
	// +optional
	StorageClassName string
	// A list of mount options, e.g. ["ro", "soft"]. Not validated - mount will
	// simply fail if one is invalid.
	// +optional
	MountOptions []string

- The PersistentVolume controller no longer automatically assigns a default `StorageClass` to Persistent Volume Claims (PVCs) with an empty `storageClassName`.
   ([#122704](https://github.com/kubernetes/kubernetes/pull/122704), [@carlory](https://github.com/carlory))

              }
            ],
            "description": "selector is a label query over volumes to consider for binding."
          },
          "storageClassName": {
            "description": "storageClassName is the name of the StorageClass required by the claim. More info: https://kubernetes.io/docs/concepts/storage/persistent-volumes#class-1",
            "type": "string"
          },