On Fri, Jul 21, 2023 at 8:18 PM Michal Prívozník <mpriv...@redhat.com>
wrote:

> On 7/20/23 10:53, Han Han wrote:
> >
> >
> > On Thu, Jul 20, 2023 at 2:56 PM Michal Prívozník <mpriv...@redhat.com
> > <mailto:mpriv...@redhat.com>> wrote:
> >
> >     On 7/20/23 08:22, Han Han wrote:
> >     > These two attributes are supported for vhost-user-blk as well.
> >     >
> >     > Signed-off-by: Han Han <h...@redhat.com <mailto:h...@redhat.com>>
> >     > ---
> >     >  docs/formatdomain.rst | 4 ++--
> >     >  1 file changed, 2 insertions(+), 2 deletions(-)
> >     >
> >     > diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
> >     > index 4af0b82569..447ab32c01 100644
> >     > --- a/docs/formatdomain.rst
> >     > +++ b/docs/formatdomain.rst
> >     > @@ -3275,9 +3275,9 @@ paravirtualized driver is specified via the
> >     ``disk`` element.
> >     >        "virtio" ``bus`` and "pci" or "ccw" ``address`` types.
> >     :since:`Since 1.2.8
> >     >        (QEMU 2.1)`
> >     >     -  The optional ``queues`` attribute specifies the number of
> >     virt queues for
> >     > -      virtio-blk. ( :since:`Since 3.9.0` )
> >     > +      virtio-blk or vhost-user-blk. ( :since:`Since 3.9.0` )
> >
> >     This doesn't feel right. The vhost-user-blk disk was introduced
> fairly
> >     recently and 3.9.0 is just ancient. Digging into commits,
> vhost-user-blk
> >     disk was introduced in v7.1.0 and I didn't check whether it supported
> >     the attribute from the very beginning.
> >
> > Thank you for pointing this out.  It looks libvirt allows the user to
> > set the queues for
> > all the bus=='virtio':
> >
> https://gitlab.com/libvirt/libvirt/-/blob/v7.1.0/src/conf/domain_validate.c#L465
> <
> https://gitlab.com/libvirt/libvirt/-/blob/v7.1.0/src/conf/domain_validate.c#L465
> >
> >
> > So vhost-user-blk could use the queues at the beginning.
>
> Okay, can you post v2 then please? I'll review it.
>
> Yeah. V2 link:
https://listman.redhat.com/archives/libvir-list/2023-July/240841.html

> Michal
>
>

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