1 files changed, 1 insertions, 1 deletions

diff --git a/fs/buffer.c b/fs/buffer.c
index 9ddb9fc7d923..6a8110c03a47 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -77,7 +77,7 @@ EXPORT_SYMBOL(__lock_buffer);
 void unlock_buffer(struct buffer_head *bh)
 {
         clear_bit_unlock(BH_Lock, &bh->b_state);
-        smp_mb__after_clear_bit();
+        smp_mb__after_atomic();
         wake_up_bit(&bh->b_state, BH_Lock);
 }
 EXPORT_SYMBOL(unlock_buffer);