On Mon, Feb 28 2022 at 7:58P -0500, Ming Lei <ming.lei@xxxxxxxxxx> wrote: > On Mon, Feb 28, 2022 at 11:27:44AM -0500, Mike Snitzer wrote: > > > > Hey Ming, > > > > I'd like us to follow-through with adding bio-based polling support. > > Kind of strange none of us that were sent this V3 ever responded, > > sorry about that! > > > > Do you have interest in rebasing this patchset (against linux-dm.git's > > "dm-5.18" branch since there has been quite some churn)? Or are you > > OK with me doing the rebase? > > Hi Mike, > > Actually I have one local v5.17 rebase: > > https://github.com/ming1/linux/tree/my_v5.17-dm-io-poll > > Also one for-5.18/block rebase which is done just now: > > https://github.com/ming1/linux/tree/my_v5.18-dm-bio-poll > > In my previous test on v5.17 rebase, the IOPS improvement is a bit small, > so I didn't post it out. Recently not get time to investigate > the performance further, so please feel free to work on it. OK, I've rebased it on dm-5.18. Can you please share the exact test(s) you were running? I assume you were running directly against a request-based device and then comparing polling perf through dm-linear to the same underlying request-based device? Thanks, Mike
