if volumeAttachment.Spec.Source.PersistentVolumeName != nil {
		pvName := *volumeAttachment.Spec.Source.PersistentVolumeName
		for _, msg := range apivalidation.ValidatePersistentVolumeName(pvName, false) {
			allErrs = append(allErrs, field.Invalid(field.NewPath("spec.source.persistentVolumeName"), pvName, msg))
		}
	}
	return allErrs
}

type PersistentVolumeSpecValidationOptions struct {
	// Allow users to modify the class of volume attributes
	EnableVolumeAttributesClass bool
}

// ValidatePersistentVolumeName checks that a name is appropriate for a
// PersistentVolumeName object.
var ValidatePersistentVolumeName = apimachineryvalidation.NameIsDNSSubdomain

var supportedAccessModes = sets.New(
	core.ReadWriteOnce,
	core.ReadOnlyMany,
	core.ReadWriteMany,