[PATCH 1/3] docs: Mention QEMU version requirement for queue-size

[Peter Krempa]

On Fri, Oct 29, 2021 at 14:19:21 +0800, Han Han wrote:
> Signed-off-by: Han Han <hhan at redhat.com>
> ---
>  docs/formatdomain.rst | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/docs/formatdomain.rst b/docs/formatdomain.rst
> index 58768f7e5e..dbda54dc93 100644
> --- a/docs/formatdomain.rst
> +++ b/docs/formatdomain.rst
> @@ -3086,7 +3086,7 @@ paravirtualized driver is specified via the ``disk`` element.
>     -  The optional ``queues`` attribute specifies the number of virt queues for
>        virtio-blk. ( :since:`Since 3.9.0` )
>     -  The optional ``queue_size`` attribute specifies the size of each virt
> -      queue for virtio-blk. ( :since:`Since 7.8.0` )
> +      queue for virtio-blk. ( :since:`Since 7.8.0, requires QEMU 2.12` )
>     -  For virtio disks, `Virtio-specific options <#elementsVirtio>`__ can also
>        be set. ( :since:`Since 3.5.0` )
>     -  The optional ``metadata_cache`` subelement controls aspects related to the

Since qemu-2.11 is the oldest supported qemu and this is one release
after that, but introduced to libvirt just recently I don't think
anybody sane would use such a combination of versions. Thus it feels
pointless to add this to the docs.