On Wed, Dec 13 2023 at 5:42P -0500, Hongyu Jin <hongyu.jin.cn@xxxxxxxxx> wrote: > From: Hongyu Jin <hongyu.jin@xxxxxxxxxx> > > Move bio_set_ioprio() into submit_bio(): > 1. Only call bio_set_ioprio() once to set the priority of original bio, > the bio that cloned and splited from original bio will auto inherit > the priority of original bio in clone process. > > 2. The IO priority can be passed to module that implement > struct gendisk::fops::submit_bio, help resolve some > of the IO priority loss issues. > > This patch depends on commit 82b74cac2849 ("blk-ioprio: Convert from > rqos policy to direct call") > > Fixes: a78418e6a04c ("block: Always initialize bio IO priority on submit") > > Co-developed-by: Yibin Ding <yibin.ding@xxxxxxxxxx> > Signed-off-by: Yibin Ding <yibin.ding@xxxxxxxxxx> > Signed-off-by: Hongyu Jin <hongyu.jin@xxxxxxxxxx> Would be nice to get this block core fix upstream ASAP independent of your various DM changes. Please simplify this patch's header like was requested in review of v4: https://patchwork.kernel.org/project/dm-devel/patch/20231212111150.18155-2-hongyu.jin.cn@xxxxxxxxx/