Btrfs: convert smp_mb__{before,after}_clear_bit
authorChris Mason <clm@fb.com>
Tue, 10 Jun 2014 20:06:56 +0000 (13:06 -0700)
committerChris Mason <clm@fb.com>
Tue, 10 Jun 2014 20:10:47 +0000 (13:10 -0700)
commitc7548af69d9ef71512eb52d8009521eba3e768fd
tree1e7976a13aacd138dc0197a89771b0e62f0b7ac1
parent6eda71d0c030af0fc2f68aaa676e6d445600855b
Btrfs: convert smp_mb__{before,after}_clear_bit

The new call is smp_mb__{before,after}_atomic.  The __ gives us extra
protection from the atomic rays.

Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/transaction.c