From 4d341d8216336174d35cd2575b6b9e4267a88ac8 Mon Sep 17 00:00:00 2001
From: Mike Snitzer <snitzer@redhat.com>
Date: Sun, 16 Nov 2014 14:21:47 -0500
Subject: [PATCH] dm: return earlier from dm_blk_ioctl if target doesn't
 implement .ioctl

No point checking if the device is suspended if the current target
doesn't even implement .ioctl

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
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