[PATCH 4/4] docs: Docs and news for io mode io_uring

[Han Han]

On Mon, Apr 20, 2020 at 3:55 PM Peter Krempa <pkrempa at redhat.com> wrote:

> On Sat, Apr 18, 2020 at 23:57:54 +0800, Han Han wrote:
> > Signed-off-by: Han Han <hhan at redhat.com>
> > ---
> >  docs/formatdomain.html.in     | 3 ++-
> >  docs/news.xml                 | 9 +++++++++
> >  docs/schemas/domaincommon.rng | 1 +
> >  3 files changed, 12 insertions(+), 1 deletion(-)
> >
> > diff --git a/docs/formatdomain.html.in b/docs/formatdomain.html.in
> > index 00776668..2b279992 100644
> > --- a/docs/formatdomain.html.in
> > +++ b/docs/formatdomain.html.in
> > @@ -3747,7 +3747,8 @@
> >            <li>
> >              The optional <code>io</code> attribute controls specific
> >              policies on I/O; qemu guests support "threads" and
> > -            "native". <span class="since">Since 0.8.8</span>
> > +            "native"<span class="since">Since 0.8.8</span>, io_uring
>
> Missing space after "native".
>
> > +            <span class="since">Since 6.3.0(QEMU 5.0.0)</span>.
>
> Since 6.3.0 (QEMU 5.0)
>
> >            </li>
> >            <li>
> >              The optional <code>ioeventfd</code> attribute allows users
> to
> > diff --git a/docs/news.xml b/docs/news.xml
> > index 4d0efd42..119f2cda 100644
> > --- a/docs/news.xml
> > +++ b/docs/news.xml
>
> news.xml changes must be in a separate commit.
>
> > @@ -56,6 +56,15 @@
> >            hotplug/unplug attempts, but this is often undesireable).
> >          </description>
> >        </change>
> > +      <change>
> > +        <summary>
> > +          qemu: support io mode io_uring to libvirt
>
> ... async IO mode 'io_uring' in libvirt
>
> > +        </summary>
> > +        <description>
> > +          From Linux 5.1 and QEMU 5.0.0, the io_uring aio interface was
> > +          introduced. Implement that to libvirt with the io value
> 'io_uring'.
>
> I'd expect some description of what the new backend provides:
>
> Add support for the 'io_uring' mode for asynchronous I/O introduced in
> QEMU 5.0 which is designed to improve performance. (Requires at least
> Linux 5.1).
>
> Thanks for the review. I will fix these in v2

> Or something along that.
>
> > +        </description>
> > +      </change>
> >      </section>
> >      <section title="Improvements">
> >      </section>
>
>

-- 
Best regards,
-----------------------------------
Han Han
Quality Engineer
Redhat.

Email: hhan at redhat.com
Phone: +861065339333
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