From: Mike Snitzer <snitzer@redhat.com>
Date: Fri, 10 May 2013 13:37:16 +0000 (+0100)
Subject: dm mpath: enable WRITE SAME support
X-Git-Tag: v3.10-rc1~12^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=042bcef889f4319d366c67fb694f1f2498fcb68e;p=pandora-kernel.git

dm mpath: enable WRITE SAME support

Enable WRITE SAME support in dm multipath.  As far as multipath is
concerned it is just another write request.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Tested-by: Bharata B Rao <bharata.rao@gmail.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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