linux-ext4 - Re: hunt for 2.6.37 dm-crypt+ext4 corruption?

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Message-ID: <20110106155641.GA12443@fancy-poultry.org>
Date:	Thu, 6 Jan 2011 16:56:41 +0100
From:	Heinz Diehl <htd@...cy-poultry.org>
To:	linux-kernel@...r.kernel.org
Cc:	Heinz Diehl <htd@...tha.org>, Matt <jackdachef@...il.com>,
	Mike Snitzer <snitzer@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	linux-btrfs <linux-btrfs@...r.kernel.org>,
	dm-devel <dm-devel@...hat.com>,
	Chris Mason <chris.mason@...cle.com>, htejun@...il.com,
	linux-ext4@...r.kernel.org, Jon Nelson <jnelson@...poni.net>
Subject: Re: hunt for 2.6.37 dm-crypt+ext4 corruption?

On 05.12.2010, Milan Broz wrote: 

> It still seems to like dmcrypt with its parallel processing is just
> trigger to another bug in 37-rc.

To come back to this: my 3 systems (XFS filesystem) running the latest 
dm-crypt-scale-to-multiple-cpus patch from Andi Kleen/Milan Broz have 
not showed a single problem since 2.6.37-rc6 and above. No corruption any 
longer, no freezes, nothing. The patch applies cleanly to 2.6.37, too, 
and runs just fine.

I blindly guess that my data corruption problem was related to something else in the
2.6.37-rc series up to -rc4/5.

Since this patch is a significant improvement: any chance that it finally gets 
merged into mainline/stable?

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