Function DetermineDeviceStorage

container/docker/handler.go:300–321

(storageDriver StorageDriver, storageDir string, rwLayerID string)

}

func DetermineDeviceStorage(storageDriver StorageDriver, storageDir string, rwLayerID string) (
	rootfsStorageDir string, zfsFilesystem string, zfsParent string, err error) {
	switch storageDriver {
	case AufsStorageDriver:
		rootfsStorageDir = path.Join(storageDir, string(AufsStorageDriver), aufsRWLayer, rwLayerID)
	case OverlayStorageDriver:
		rootfsStorageDir = path.Join(storageDir, string(storageDriver), rwLayerID, overlayRWLayer)
	case Overlay2StorageDriver:
		rootfsStorageDir = path.Join(storageDir, string(storageDriver), rwLayerID, overlay2RWLayer)
	case VfsStorageDriver:
		rootfsStorageDir = path.Join(storageDir)
	case ZfsStorageDriver:
		var status info.DockerStatus
		status, err = Status()
		if err != nil {
			return
		}
		zfsParent = status.DriverStatus[dockerutil.DriverStatusParentDataset]
		zfsFilesystem = path.Join(zfsParent, rwLayerID)
	}
	return
}

func (h *containerHandler) ContainerReference() (info.ContainerReference, error) {
	return h.reference, nil