code: func (cephfsVolume *cephfs) GetKeyringPath() string {
  	name := cephfsPluginName
  	volumeDir := cephfsVolume.plugin.host.GetPodVolumeDir(cephfsVolume.podUID, utilstrings.EscapeQualifiedName(name), cephfsVolume.volName)
  	volumeKeyringDir := volumeDir + "~keyring"
  	return volumeKeyringDir
  }
docs: // GetKeyringPath creates cephfuse keyring path