linux-kernel - Re: dm-crypt barrier support is effective

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Message-ID: <4CE05A9E.9090204@redhat.com>
Date:	Sun, 14 Nov 2010 22:54:38 +0100
From:	Milan Broz <mbroz@...hat.com>
To:	Matt <jackdachef@...il.com>
CC:	Mike Snitzer <snitzer@...hat.com>,
	Andi Kleen <andi@...stfloor.org>,
	linux-btrfs <linux-btrfs@...r.kernel.org>,
	dm-devel <dm-devel@...hat.com>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	htd <htd@...cy-poultry.org>, Chris Mason <chris.mason@...cle.com>
Subject: Re: dm-crypt barrier support is effective

On 11/14/2010 10:49 PM, Matt wrote:
> only with the dm-crypt scaling patch I could observe the data-corruption

even with v5 I sent on Friday?

Are you sure that it is not related to some fs problem in 2.6.37-rc1?

If it works on 2.6.36 without problems, it is probably problems somewhere
else (flush/fua conversion was trivial here - DM is still doing full flush
and there are no other changes in code IMHO.)

Milan
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