code: func (resizeMap *volumeResizeMap) MarkForFSResize(pvcr *PVCWithResizeRequest) error {
  	pvcCondition := v1.PersistentVolumeClaimCondition{
  		Type:               v1.PersistentVolumeClaimFileSystemResizePending,
  		Status:             v1.ConditionTrue,
  		LastTransitionTime: metav1.Now(),
  		Message:            "Waiting for user to (re-)start a pod to finish file system resize of volume on node.",
  	}
  	conditions := []v1.PersistentVolumeClaimCondition{pvcCondition}
  	newPVC := pvcr.PVC.DeepCopy()
  	newPVC = util.MergeResizeConditionOnPVC(newPVC, conditions)
  	_, err := util.PatchPVCStatus(pvcr.PVC /*oldPVC*/, newPVC, resizeMap.kubeClient)
  	return err
  }
docs: // MarkForFSResize marks pvc with condition that indicates a fs resize is pending