return fmt.Errorf("no data written to file: %s", filename)
	}
	klog.V(4).Infof("Deleted block device: %s", deviceName)
	return nil
}

// deleteDevices tries to remove all the block devices and multipath map devices
// associated with a given iscsi device
func deleteDevices(c iscsiDiskUnmounter) error {
	lunNumber, err := strconv.Atoi(c.iscsiDisk.Lun)
	if err != nil {

		t.Errorf("Global refCount: %v does not match endpoint refCount: %v", *proxier.endPointsRefCount[endpointGuid1], *epInfo.refCount)
	}

	proxier.setInitialized(false)
	deleteServices(proxier,
		makeTestService(svcPortName2.Namespace, svcPortName2.Name, func(svc *v1.Service) {
			svc.Spec.Type = "NodePort"
			svc.Spec.ClusterIP = svcIP2
			svc.Spec.Ports = []v1.ServicePort{{

			updatedSvcs = append(updatedSvcs, unchangedSvcs...)
			unchangedSvcs = nil
		}
		s.services.updateServices(key, cs)
	case model.EventDelete:
		deletedSvcs = cs
		s.services.deleteServices(key)
	case model.EventAdd:
		addedSvcs = cs
		s.services.updateServices(key, cs)
	default:
		// this should not happen
		unchangedSvcs = cs
	}