Subject: Re: union filesystem / locking
To: Chuck Silvers <chuq@chuq.com>
From: Iain Hibbert <plunky@rya-online.net>
List: current-users
Date: 02/02/2007 20:30:49
On Thu, 1 Feb 2007, Chuck Silvers wrote:
> On Wed, Jan 31, 2007 at 08:13:29PM +0000, Iain Hibbert wrote:
> > Hi,
> > I updated my sources the other day (after several months) and find that
> > union filesystem has gone haywire.. I'm not getting my backtrace copied
> > to dmesg, but with a LOCKDEBUG and DIAGNOSTIC kernel I see the following
> > very repeatably:
>
> this is the last (known) bit of fallout from my vnode locking changes
> of december. I've been working on a fix, the latest diff is at:
>
> ftp://ftp.netbsd.org/pub/NetBSD/misc/chs/lookup/diff.vnlock-union.4
Excellent, thanks Chuck - after trying to understand VOP_FOO and vbar, I'm
glad somebody else is looking at it :)
I'll keep you posted if I see any more problems..
iain