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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