Hi Matias, the underlying lighnvm driver (nvme or NULL) shouldn't register a gendisk - the only gendisk you'll need is that for the block device that sits on top of lightnvm. -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html