# \[PATCH 4/8\] fs/direct-io.c:Evalue bio-\>bi\_rw after calling bio\_alloc() and before calling bio\_add\_page().

- From: majianpeng \<hidden\>
- Date: 2012-07-30 07:24:06 
- List: linux-ext4
- Page: https://ratatoskr.run/linux-ext4/2012/07/66161
- Thread: https://ratatoskr.run/linux-fsdevel/2012/07/66161/t.md

```text
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 <redacted>
---
 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
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```