On Wed, Mar 27, 2024 at 4:40 AM Jack Wang <jinpu.wang@xxxxxxxxx> wrote: > > From: Florian-Ewald Mueller <florian-ewald.mueller@xxxxxxxxx> > > Check for sleeping thread before attempting its wake_up in > md_wakeup_thread() to avoid unnecessary spinlock contention. > > With a 6.1 kernel, fio random read/write tests on many (>= 100) > virtual volumes, of 100 GiB each, on 3 md-raid5s on 8 SSDs each > (building a raid50), show by 3 to 4 % improved IOPS performance. > > Signed-off-by: Florian-Ewald Mueller <florian-ewald.mueller@xxxxxxxxx> > Reviewed-by: Yu Kuai <yukuai3@xxxxxxxxxx> > Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxx> Applied to md-6.10. Thanks! Song
