Subject: Re: port-xen/29775: Cannot use a vnode disk for domU
To: Jason Thorpe <thorpej@shagadelic.org>
From: Manuel Bouyer <bouyer@antioche.lip6.fr>
List: tech-kern
Date: 03/24/2005 14:33:38
On Wed, Mar 23, 2005 at 04:52:53PM -0800, Jason Thorpe wrote:
> 
> This is really a known problem.  The vnd driver needs to be rewritten  
> badly.  It needs to queue up requests and defer everything to a  
> kthread that actually does the work.

This shouldn't be too hard to do, and is better than hacking xbd to not
do I/O from interrupt context. I'll try to look at this this week end.

Would such a change be acceptable for pullup to the 3.0 branch, or is it
too intrusive ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
--