linux-ext4 - Re: hunt for 2.6.37 dm-crypt+ext4 corruption? (was: Re: dm-crypt barrier support is effective)

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Date:	Mon, 13 Dec 2010 12:56:59 -0600
From:	Jon Nelson <jnelson@...poni.net>
To:	"Ted Ts'o" <tytso@....edu>, Jon Nelson <jnelson@...poni.net>,
	Matt <jackdachef@...il.com>,
	Chris Mason <chris.mason@...cle.com>,
	Andi Kleen <andi@...stfloor.org>,
	Mike Snitzer <snitzer@...hat.com>,
	Milan Broz <mbroz@...hat.com>,
	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>, htejun <htejun@...il.com>,
	linux-ext4 <linux-ext4@...r.kernel.org>
Subject: Re: hunt for 2.6.37 dm-crypt+ext4 corruption? (was: Re: dm-crypt
 barrier support is effective)

On Sun, Dec 12, 2010 at 8:06 PM, Ted Ts'o <tytso@....edu> wrote:
> On Sun, Dec 12, 2010 at 07:11:28AM -0600, Jon Nelson wrote:
>> I'm glad you've been able to reproduce the problem! If you should need
>> any further assistance, please do not hesitate to ask.
>
> This patch seems to fix the problem for me.  (Unless the partition is
> mounted with mblk_io_submit.)
>
> Could you confirm that it fixes it for you as well?

I believe I have applied the (relevant) inode.c changes to
bd2d0210cf22f2bd0cef72eb97cf94fc7d31d8cc, rebuilt and begun testing.
Now at 28 passes without error, I think I can say that the patch
appears to resolve the issue.

-- 
Jon
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