From ef960bde387d8abe09d316b3450573e42b5340b8 Mon Sep 17 00:00:00 2001
From: Theodore Ts'o <tytso@mit.edu>
Date: Thu, 22 Jan 2015 12:11:54 -0500
Subject: bitops.h: add smp_mb__after_atomic() for 3.18 backport

Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---
 include/linux/bitops.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include')

diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index 9d236cc51..6989452cb 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -21,6 +21,9 @@ extern unsigned long __sw_hweight64(__u64 w);
  */
 #include <asm/bitops.h>
 
+/* 3.18 backport */
+#define smp_mb__after_atomic() smp_mb__after_clear_bit()
+
 #define for_each_set_bit(bit, addr, size) \
 	for ((bit) = find_first_bit((addr), (size));		\
 	     (bit) < (size);					\
-- 
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