code: func (l *localVolume) GetGlobalMapPath(spec *volume.Spec) (string, error) {
  	return filepath.Join(l.plugin.host.GetVolumeDevicePluginDir(utilstrings.EscapeQualifiedName(localVolumePluginName)),
  		l.volName), nil
  }
docs: // GetGlobalMapPath returns global map path and error.
  // path: plugins/kubernetes.io/kubernetes.io/local-volume/volumeDevices/{volumeName}