On Mon, Feb 05, 2018 at 04:37:22PM -0600, Eric Sandeen wrote: > > > On 2/5/18 4:36 PM, Dave Chinner wrote: > >> In retrospect I think we (I) should have left the "metadata" uuid as > >> the one to match the log, not the user-facing one. > > I suspect we can just change the log recovery code to accept either > > sb_uuid or sb_metauuid if the metauuid feature bit is set and > > change xfs_db to not rewrite the log when metauuid is used.... > > > > Cheers, > > That was my first thought, but then newer userspace UUID changes > won't be mountable on older kernels. I don't think we can just > change it w/o some thought re: compatibility... So maybe we should use a log incompat bit and provide an alternative command for the old way of changing the UUID in the log? Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
