On 2023-01-10 07:58, Christoph Hellwig wrote: > On Fri, Jan 06, 2023 at 09:33:17AM +0100, Pankaj Raghav wrote: >> dm_zone_endio() updates the bi_sector of orig bio for zoned devices that >> uses either native append or append emulation, and it is called before the >> endio of the target. But target endio can still update the clone bio >> after dm_zone_endio is called, thereby, the orig bio does not contain >> the updated information anymore. >> >> Currently, this is not a problem as the targets that support zoned devices >> such as dm-zoned, dm-linear, and dm-crypt do not have an endio function, >> and even if they do (such as dm-flakey), they don't modify the >> bio->bi_iter.bi_sector of the cloned bio that is used to update the >> orig_bio's bi_sector in dm_zone_endio function. >> >> Call dm_zone_endio for zoned devices after calling the target's endio >> function. > > This looks sensible, but I fail to see why we need this or how it fits > into the earlier block layer part of the series. > I just extracted the cleanup from my old series. Do you think it is better to send it as a separate patch instead of adding it along in this series?
