Christoph Hellwig <hch@xxxxxx> wrote: > Until we have a flag in the superblock that a given fs fills out s_uuid > no one can rely on it. So please add the infrastructure that consumers > can actually make use of it while you're at it. Can't you just look at whether s_uuid is NULL or not? David -- To unsubscribe from this list: send the line "unsubscribe linux-unionfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html