From: Mikulas Patocka <mpatocka@redhat.com>
Date: Thu, 10 Dec 2009 23:51:59 +0000 (+0000)
Subject: dm raid1: support flush
X-Git-Tag: v2.6.33-rc1~75^2~67
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4184153f9e483f9bb63339ed316e059962fe9794;p=pandora-kernel.git

dm raid1: support flush

Flush support for dm-raid1.

When it receives an empty barrier, submit it to all the devices via dm-io.

Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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