On Thu, Apr 27, 2017 at 03:30:35PM -0500, Eric Sandeen wrote: > It'd be trivial to make that a vfs function and set a flag on the vfs super > if the UUID is not unique. Would that be worthwhile? I can send a patch > if so. This only tells you that the UUID it has is unique now. As you are contemplating storing them in the FS they have to be unique in space _and_ time. No check you can do now can tell you if the UUID is unique for all time. Right ? -apw -- 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