From c50abeb38026ea721a812cf8a9b2fac5d3b7684b Mon Sep 17 00:00:00 2001
From: Mike Anderson <andmike@linux.vnet.ibm.com>
Date: Thu, 10 Dec 2009 23:52:20 +0000
Subject: [PATCH] dm ioctl: forbid messages to devices being deleted

Once we begin deleting a device, prevent any further messages being sent
to targets of its table (to avoid races).

Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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Reading git-format-patch failed