From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 13 Jan 2011 19:59:48 +0000 (+0000)
Subject: dm raid1: support discard
X-Git-Tag: v2.6.38-rc1~221^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5fc2ffeabb9ee0fc0e71ff16b49f34f0ed3d05b4;p=pandora-kernel.git

dm raid1: support discard

Enable discard support in the DM mirror target.
Also change an existing use of 'bvec' to 'addr' in the union.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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