return disk, dm
			}
		}
	}
	klog.V(2).Infof("fc: failed to find a disk [%s]", devID+fcPath)
	return "", ""
}

// Flushes any outstanding I/O to the device
func flushDevice(deviceName string, exec utilexec.Interface) {
	out, err := exec.Command("blockdev", "--flushbufs", deviceName).CombinedOutput()
	if err != nil {