[PATCH 4/8] fs/direct-io.c:Evalue bio->bi_rw after calling bio_alloc() and before calling bio_add_page().

[majianpeng]

Because call bio_alloc, the bi_rw is zero by default,but in
bio_add_page used the bi_rw. So evalue bi_rw.

Signed-off-by: Jianpeng Ma <majianpeng at gmail.com>
---
 fs/direct-io.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/direct-io.c b/fs/direct-io.c
index 1faf4cb..77f0bbf 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -349,6 +349,7 @@ dio_bio_alloc(struct dio *dio, struct dio_submit *sdio,
 
 	bio->bi_bdev = bdev;
 	bio->bi_sector = first_sector;
+	bio->bi_rw = dio->rw;
 	if (dio->is_async)
 		bio->bi_end_io = dio_bio_end_aio;
 	else
-- 
1.7.9.5