Re: [PATCH 14/18] virtio: add api for delayed callbacks

On Wed, 4 May 2011 23:52:33 +0300, "Michael S. Tsirkin" [off-list ref] wrote:

Add an API that tells the other side that callbacks
should be delayed until a lot of work has been done.
Implement using the new used_event feature.

Since you're going to add a capacity query anyway, why not add the
threshold argument here?

Then the caller can choose how much space it needs.  Maybe net and block
will want different things...

Cheers,
Rusty.