os.Remove(dir)
		return err
	}

	// Implicit parameters
	if mounterArgs.FsGroup != nil {
		extraOptions[optionFSGroup] = strconv.FormatInt(int64(*mounterArgs.FsGroup), 10)
	}

	call.AppendSpec(f.spec, f.plugin.host, extraOptions)

	_, err = call.Run()
	if isCmdNotSupportedErr(err) {
		err = (*mounterDefaults)(f).SetUpAt(dir, mounterArgs)
	}

	if err != nil {
		os.Remove(dir)
		return err
	}

}

// GetVolumeName is part of the volume.VolumePlugin interface.
func (plugin *flexVolumePlugin) GetVolumeName(spec *volume.Spec) (string, error) {
	call := plugin.NewDriverCall(getVolumeNameCmd)
	call.AppendSpec(spec, plugin.host, nil)

	_, err := call.Run()
	if isCmdNotSupportedErr(err) {
		return (*pluginDefaults)(plugin).GetVolumeName(spec)
	} else if err != nil {
		return "", err
	}