On Fri, 2021-10-29 at 12:53 +0200, Christoph Hellwig wrote: > Given that the discussion is now turning into bikeshedding wether the > non-public UFS spec is mereley completly broken or utterly completely > broken can we please add this patch or the revert before 5.15 > goes in? I don't think this mess will be resolved in any reasonable > time. No. Removing the 2.0 HPB optimization fixes all your complaints about the block API problems, so there's no need to do a full revert. I just need someone to test the partial revert ASAP. If no-one can test the partial revert then we can consider more drastic options. James