linux-kernel - Re: [PATCH 0/5] reiserfs lock inversion fixes on xattr

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Message-ID: <20100102035221.GB5238@nowhere>
Date:	Sat, 2 Jan 2010 04:52:23 +0100
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Christian Kujau <lists@...dbynature.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Alexander Beregalov <a.beregalov@...il.com>,
	Chris Mason <chris.mason@...cle.com>,
	reiserfs-devel@...r.kernel.org
Subject: Re: [PATCH 0/5] reiserfs lock inversion fixes on xattr

On Fri, Jan 01, 2010 at 10:29:44AM +0100, Ingo Molnar wrote:
> 
> * Christian Kujau <lists@...dbynature.de> wrote:
> 
> > On Wed, 30 Dec 2009 at 21:42, Frederic Weisbecker wrote:
> > > I hope you can give it a try (and/or review) before I send the whole
> > > to Linus.
> > 
> > Without your patches, "dbench -x" was pretty much instantly causing the 
> > threads to lock up, forcing me to reboot the box. With LOCKDEP enabled, 
> > warnings were printed. After applying your patches (and a reboot) I've run 
> > "dbench -x" for quite a while now with different runtimes and number of
> > clients and it's not locking up any more. I've tested with:
> > 
> > CONFIG_REISERFS_FS=y
> > CONFIG_REISERFS_CHECK=y
> > CONFIG_REISERFS_PROC_INFO=y
> > CONFIG_REISERFS_FS_XATTR=y
> > CONFIG_REISERFS_FS_POSIX_ACL=y
> > # CONFIG_REISERFS_FS_SECURITY is not set
> > 
> > ...and a few "Kernel hacking" options set. Full config and dmesg:
> > 
> >    http://nerdbynature.de/bits/2.6.33-rc1/reiserfs/t3/
> > 
> >    (although I'm not really testing -rc1 but latest mainline -git
> >     and your changes pulled)
> > 
> > So, feel free to add:
> > 
> >   Tested-by: Christian Kujau <lists@...dbynature.de>
> 
> Frederic, i'd suggest you send this tree to Linus with Christian's tested-by 
> tags added ASAP - we better have these fixes in -rc3.
> 
> Thanks,
> 
> 	Ingo


Yep, done :)

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