Hi Christoph, On Sat, Aug 22, 2020 at 10:01:45AM +0100, Christoph Hellwig wrote: > On Wed, Aug 19, 2020 at 08:58:30AM +0800, Gao Xiang wrote: > > btw, if my understanding is correct, as I mentioned starting from my v1, > > this new feature isn't forward compatible since old kernel hardcode > > agino % XFS_AGI_UNLINKED_BUCKETS but not tracing original bucket_index > > from its logging recovery code. So yeah, a bit awkward from its original > > design... > > I think we should add a log_incompat feature just to be safe. Thanks for your suggestion. Okay, if no other concern, I will try to look into that tomorrow... Thanks, Gao Xiang >