From: Joe Thornber <ejt@redhat.com>
Date: Wed, 20 Mar 2013 17:21:27 +0000 (+0000)
Subject: dm cache: metadata clear dirty bits on clean shutdown
X-Git-Tag: v3.9-rc4~20^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=79ed9caffc9fff67aa64fd683e791aa70f1bcb51;p=pandora-kernel.git

dm cache: metadata clear dirty bits on clean shutdown

When writing the dirty bitset to the metadata device on a clean
shutdown, clear the dirty bits.  Previously they were left indicating
the cache was dirty. This led to confusion about whether there really
was dirty data in the cache or not.  (This was a harmless bug.)

Reported-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
---

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