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>