code: func (pd *gcePersistentDisk) GetPodDeviceMapPath() (string, string) {
  	name := gcePersistentDiskPluginName
  	return pd.plugin.host.GetPodVolumeDeviceDir(pd.podUID, utilstrings.EscapeQualifiedName(name)), pd.volName
  }
docs: // GetPodDeviceMapPath returns pod device map path and volume name
  // path: pods/{podUid}/volumeDevices/kubernetes.io~aws