Subject: Re: [RFC PATCH] Subject: virtio: Add unused buffers detach from vring

From: Shirley Ma <[email-masked]>
Date: Tue, 15 Dec 2009 11:14:07 -0800

Hello Michael,

On Tue, 2009-12-15 at 20:47 +0200, Michael S. Tsirkin wrote:
> > +                     detach_buf(vq, i);
> > +                     END_USE(vq);
> > +                     return vq->data[i];
> 
> In fact, this will return NULL always, won't it?

Nope, I changed the destroy to detach and return the buffers without
destroying them within the call. I thought it might be useful in some
other case. 

Maybe I should put destroy call back?

Thanks
Shirley