[Virtio-fs] [QUESTION] A performance problem for buffer write compared with 9p

[Miklos Szeredi]

On Thu, Aug 22, 2019 at 2:59 AM wangyan <wangyan122 at huawei.com> wrote:
> I will test it when I get the patch, and post the compared result with
> 9p.

Could you please try the attached patch?  My guess is that it should
improve the performance, perhaps by a big margin.

Further improvement is possible by eliminating page copies, but that
is less trivial.

Thanks,
Miklos
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