From 74ed7e62289dc6d388996d7c8f89c2e7e95b9657 Mon Sep 17 00:00:00 2001
From: Joern Engel <joern@logfs.org>
Date: Tue, 16 Sep 2014 16:23:11 -0400
Subject: [PATCH] target: remove some smp_mb__after_atomic()s

atomic_inc_return() already does an implicit memory barrier and the
second case was moved from an atomic to a plain flag operation.  If a
barrier were needed in the second case, it would have to be smp_mb(),
not a variant optimized away for x86 and other architectures.

Signed-off-by: Joern Engel <joern@logfs.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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