* @path : the rootfs source (directory or device)
* @mount : where it is mounted
* @buf : static buffer to construct paths
- * @bev_type : optional backing store type
+ * @bdev_type : optional backing store type
* @managed : whether it is managed by LXC
* @dfd_mnt : fd for @mount
* @dfd_dev : fd for /dev of the container