On Thu, Oct 02, 2008 at 09:23:37PM +0900, [EMAIL PROTECTED] wrote:
> 
> Louis Rilling:
> > On Debian kernel 2.6.25, recompiled to apply aufs patches and raise
> > MAX_LOCKDEP_SUBCLASSES to 16UL, plus aufs 20080929, I got the following loc=
> > kdep
> > warning when using accessing aufs through NFS:
> 
> Yes, it is a regression on 20080929.
> 
> 20080929
> - bugfix: NFSD issues another operation during filesystem's readdir(),
>   and it may cause a deadlock in aufs. check the current context is in
>   readdir().
>       :::
>   + stop calling lockdep_off/on().
> 
> I already fixed in my local version by restoring lockdep_off/on() call
> in fs/aufs*/dir.c:aufs_readdir(). It will be released on next Monday.

Great!

I would like to mention that these last NFS bugfixes fixed all aufs bugs that
were bothering me, especially deadlocks that I have not been able to report in
details.

I hope that I will now be able to promote aufs in my company.
Thank you very much for your support!

Louis
-- 
Dr Louis Rilling                        Kerlabs
Skype: louis.rilling                    Batiment Germanium
Phone: (+33|0) 6 80 89 08 23            80 avenue des Buttes de Coesmes
http://www.kerlabs.com/                 35700 Rennes

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