Some arch define this atomic_inc_return_release() OP.
Signed-off-by: yalin wang <yalin.wang2...@gmail.com>
---
block/bio.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/block/bio.c b/block/bio.c
index fbc558b..b251857 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -310,8 +310,7 @@ static void bio_chain_endio(struct bio *bio, int error)
static inline void bio_inc_remaining(struct bio *bio)
{
bio->bi_flags |= (1 << BIO_CHAIN);
- smp_mb__before_atomic();
- atomic_inc(&bio->__bi_remaining);
+ atomic_inc_return_release(&bio->__bi_remaining);
}
/**
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
