diff options
| -rw-r--r-- | fs/buffer.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/buffer.c b/fs/buffer.c index 763c5b59492d..7ff6e9346fae 100644 --- a/fs/buffer.c +++ b/fs/buffer.c @@ -78,6 +78,7 @@ EXPORT_SYMBOL(__lock_buffer); void fastcall unlock_buffer(struct buffer_head *bh) { + smp_mb__before_clear_bit(); clear_buffer_locked(bh); smp_mb__after_clear_bit(); wake_up_bit(&bh->b_state, BH_Lock); |