code: func (c *Cloud) GetLabelsForVolume(ctx context.Context, pv *v1.PersistentVolume) (map[string]string, error) {
  	// Ignore if not AzureDisk.
  	if pv.Spec.AzureDisk == nil {
  		return nil, nil
  	}
  
  	// Ignore any volumes that are being provisioned
  	if pv.Spec.AzureDisk.DiskName == cloudvolume.ProvisionedVolumeName {
  		return nil, nil
  	}
  
  	return c.GetAzureDiskLabels(pv.Spec.AzureDisk.DataDiskURI)
  }
docs: // GetLabelsForVolume implements PVLabeler.GetLabelsForVolume