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-rw-r--r--fs/buffer.c2
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);