From: Theodore Ts'o <tytso@mit.edu>
Subject: Re: [PATCH] ext4: fix extent tree corruption that incurred by hole
 punch [V2]
Date: Thu, 20 Dec 2012 18:42:29 -0500
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Cc: Ashish Sangwan <ashishsangwan2@gmail.com>,
	ext4 development <linux-ext4@vger.kernel.org>
To: Forrest Liu <forrestl@synology.com>
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On Thu, Dec 20, 2012 at 11:11:28PM +0800, Forrest Liu wrote:
> Hi Ted,
>    I will help to find out the problem in e2fsck.

Thanks for the offer, but I think I've found the problem and have the
following set of patches (versus the maint branch) to fix the problem.

						- Ted