code: func (u *storageosUtil) AttachDevice(b *storageosMounter, deviceMountPath string) error {
  	if err := u.NewAPI(b.apiCfg); err != nil {
  		return err
  	}
  
  	opts := storageostypes.VolumeMountOptions{
  		Name:       b.volName,
  		Namespace:  b.volNamespace,
  		FsType:     b.fsType,
  		Mountpoint: deviceMountPath,
  		Client:     b.plugin.host.GetHostName(),
  	}
  	if err := u.api.VolumeMount(opts); err != nil {
  		return err
  	}
  	return nil
  }
docs: // AttachDevice attaches the volume device to the host at a given mount path.