On Fri, Mar 17, 2023 at 12:59:38PM -0700, Bart Van Assche wrote: > Instead of submitting the bio fragment with the highest LBA first, > submit the bio fragment with the lowest LBA first. If plugging is > active, append requests at the end of the list with plugged requests > instead of at the start. This approach prevents write errors when > submitting large bios to host-managed zoned block devices. zoned pages are added via bio_add_zone_append_page(), which is supposed to not call into split code path, do you have such error log? Thanks, Ming