From f8facb61b5095488a4d78fa78116ef4f4b82bc4d Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Thu, 12 Aug 2010 04:14:12 +0100
Subject: [PATCH] dm: zero silently drop discards

Have the zero target silently drop a discard rather than fail the
request with -EOPNOTSUPP.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Reading git-format-patch failed