[Lguest] [PATCH RFC 1/3] virtio_ring: add capacity check API

[Michael S. Tsirkin]

On Thu, Jun 02, 2011 at 11:41:50AM +0930, Rusty Russell wrote:
> On Wed, 1 Jun 2011 12:49:46 +0300, "Michael S. Tsirkin" <mst at redhat.com> wrote:
> > Add API to check ring capacity. Because of the option
> > to use indirect buffers, this returns the worst
> > case, not the normal case capacity.
> 
> Can we drop the silly "add_buf() returns capacity" hack then?
> 
> Thanks,
> Rusty.

Sure.