From: Theodore Ts'o <tytso@mit.edu>
Subject: Re: [PATCH] ext4: fix inode checksum calculation problem of inode in
 some range of inode size
Date: Thu, 1 Dec 2016 11:51:49 -0500
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Cc: linux-ext4@vger.kernel.org,
        Youngjin Gil <youngjin.gil@samsung.com>,
        "Darrick J. Wong" <darrick.wong@oracle.com>
To: Daeho Jeong <daeho.jeong@samsung.com>
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On Wed, Nov 23, 2016 at 09:28:46AM +0900, Daeho Jeong wrote:
> We've fixed the race condition problem in calculating ext4 checksum
> value in commit b47820edd163 ("ext4: avoid modifying checksum fields
> directly during checksum veficationon"). However, by this change,
> when calculating the checksum value of inode whose i_extra_size is
> less than 4, we couldn't calculate the checksum value in a proper way.
> This problem was found and reported by Nix, Thank you.
> 
> Reported-by: Nix <nix@esperi.org.uk>
> Signed-off-by: Daeho Jeong <daeho.jeong@samsung.com>
> Signed-off-by: Youngjin Gil <youngjin.gil@samsung.com>
> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

Thanks, applied.

					- Ted