Patch for quota deadlock

[Oliver Brandmueller]

Hi Kris.

On Tue, Feb 28, 2006 at 12:23:28AM -0500, Kris Kennaway wrote:
> On Tue, Feb 21, 2006 at 02:56:01PM -0500, Kris Kennaway wrote:
> > Jeff has been too busy to send this patch himself, but it fixed the
> > quota deadlock that I was able to provoke on my machine.  Does it also
> > solve the issue for others?
> 
> I've seen 0 feedback about this so far.  Since a number of people have
> reported that the quota deadlock is the only thing keeping them from
> upgrading from 5.x to 6.x, I expected a more enthusiastic testing
> response than this :-)
> 
> Please, those of you who have reported this problem, test the patch
> and see if it works for you.  If there are further problems, we can't
> fix them in time for 6.1 unless we hear about it in the next week or
> so.

I'm a little ambivalent about it. The only machine where I could 
actually observe the behaviour (once a week) is our main prod NFS 
server. On the backup server there are abviously too few accesses to 
trigger the hang.

So on one hand I se the necessity to test this, because I need quotas 
again on the server, on the other hand this means a 10 min downtime for 
installing a new kernel and the risk of 30 min downtime if it did not 
help. And I can only say this after a week or so.

Anyway, I'll discuss with my colleagues and we'll see if we want to take 
the risk.

Anyway, I remember people here, who talked about scenarios where they 
could trigger the panic with a simple find or something in only two 
hours. Hello, where are you? :-)

- Oliver


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