From: Darrick J. Wong <darrick.wong@oracle.com>
Date: Thu, 11 Sep 2014 15:38:21 +0000 (-0400)
Subject: jbd2: fix journal checksum feature flag handling
X-Git-Tag: fixes-against-v3.18-rc2~28^2~26
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=feb8c6d3dd0f2cc0e1c3376d099cf298c5f2c2c8;p=pandora-kernel.git

jbd2: fix journal checksum feature flag handling

Clear all three journal checksum feature flags before turning on
whichever journal checksum options we want.  Rearrange the error
checking so that newer flags get complained about first.

Reported-by: TR Reardon <thomas_reardon@hotmail.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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