linux-kernel - Re: sync-Regression in 2.6.28.2?

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Message-ID: <20090217151502.GC16681@charite.de>
Date:	Tue, 17 Feb 2009 16:15:02 +0100
From:	Ralf Hildebrandt <Ralf.Hildebrandt@...rite.de>
To:	linux-kernel@...r.kernel.org
Subject: Re: sync-Regression in 2.6.28.2?

* Nick Piggin <nickpiggin@...oo.com.au>:

> > Still there in 2.6.28.5 :(
> 
> I believe it is basically a deadlock in ext4 due to the cyclic writeback
> change.

That could be. It happens during time of big write activity here.
 
> http://git.kernel.org/?p=linux/kernel/git/tytso/ext4.git;a=commitdiff;h=2acf2c261b823d9d9ed954f348b97620297a36b5
> 
> ext4 guys, is this correct? Is there a minimal fix that can be made for
> .stable kernels?
> 

-- 
Ralf Hildebrandt                                Ralf.Hildebrandt@...rite.de
Charite - Universitätsmedizin Berlin            Tel.  +49 (0)30-450 570-155
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