From: Mikulas Patocka <mpatocka@redhat.com>
Date: Fri, 14 Mar 2014 22:42:12 +0000 (-0400)
Subject: dm snapshot: allocate a per-target structure for snapshot-origin target
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~37^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=599cdf3bfbe21fe94f4416c9e54363b285c9532a;p=pandora-kernel.git

dm snapshot: allocate a per-target structure for snapshot-origin target

Allocate a per-target dm_origin structure.  This is a prerequisite for
the next commit ("dm snapshot: do not split read bios sent to
snapshot-origin target") which adds a new member to this structure.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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