On Mon, Aug 29, 2022 at 6:03 AM Yu Kuai <yukuai1@xxxxxxxxxxxxxxx> wrote: > > From: Yu Kuai <yukuai3@xxxxxxxxxx> > > patch 1 is a small problem found by code review. > patch 2 avoid holding resync_lock in fast path. > patch 3 avoid holding lock in wake_up() in fast path. > > Test environment: > > Architecture: aarch64 > Cpu: Huawei KUNPENG 920, there are four numa nodes > > Raid10 initialize: > mdadm --create /dev/md0 --level 10 --bitmap none --raid-devices 4 /dev/nvme0n1 /dev/nvme1n1 /dev/nvme2n1 /dev/nvme3n1 > > Test cmd: > fio -name=0 -ioengine=libaio -direct=1 -group_reporting=1 -randseed=2022 -rwmixread=70 -refill_buffers -filename=/dev/md0 -numjobs=16 -runtime=60s -bs=4k -iodepth=256 -rw=randread > > Test result: > before this patchset: 2.9 GiB/s > after this patchset: 6.6 Gib/s Nice work! Applied to md-next. Thanks, Song
