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 > >