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

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On Sat, Apr 18, 2020 at 23:57:54 +0800, Han Han wrote:
> Signed-off-by: Han Han <hhan@xxxxxxxxxx>
> ---
>  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).

Or something along that.

> +        </description>
> +      </change>
>      </section>
>      <section title="Improvements">
>      </section>





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