From f15f4d720088c140cdf1fee6aeab3549dbdddc41 Mon Sep 17 00:00:00 2001
From: Heinz Mauelshagen <heinzm@redhat.com>
Date: Tue, 25 Aug 2015 17:15:41 +0200
Subject: [PATCH] dm raid: document RAID 4/5/6 discard support

For RAID 4/5/6 data integrity reasons 'discard_zeroes_data' must work
properly.

Signed-off-by: Heinz Mauelshagen <heinzm@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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Reading git-format-patch failed