From 6bb43b5d1f54fb44c0408d86d5e71e4405a3ebe1 Mon Sep 17 00:00:00 2001
From: Milan Broz <mbroz@redhat.com>
Date: Thu, 24 Mar 2011 13:54:28 +0000
Subject: [PATCH] dm ioctl: prepare for crypt key wiping

Prepare code for implementing buffer wipe flag.
No functional change in this patch.

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