Hi Stefan, On 2019/8/5 16:01, Stefan Hajnoczi wrote: > On Mon, Aug 05, 2019 at 10:52:21AM +0800, piaojun wrote: >> # fio -direct=1 -time_based -iodepth=1 -rw=randwrite -ioengine=libaio -bs=1M >> -size=1G -numjob=1 -runtime=30 -group_reporting -name=file >> -filename=/mnt/9pshare/file > > This benchmark configuration (--iodepth=1 --numjobs=1) cannot benefit > from virtiofsd multithreading. Have you measured a regression when this > patch series is applied? > > If your benchmark is unrelated to this patch series, let's discuss it in > a separate email thread. fuse_buf_copy() can be optimized to use > pwritev(). > > Thanks, > Stefan
Yes, I have not applied your patch series and test. As you said, I will discuss *pwritev* in another email. Thanks, Jun >
