# \[PATCH 6/8\]fs/jfs: Evalue bio-\>bi\_rw after calling bio\_alloc() and before calling bio\_add\_page().

- From: majianpeng \<hidden\>
- Date: 2012-07-30 07:24:27 
- List: linux-ext4
- Page: https://ratatoskr.run/linux-ext4/2012/07/66159
- Thread: https://ratatoskr.run/linux-fsdevel/2012/07/66159/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/jfs/jfs_metapage.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c
index 6740d34..db79ae0 100644
--- a/fs/jfs/jfs_metapage.c
+++ b/fs/jfs/jfs_metapage.c
@@ -441,6 +441,7 @@ static int metapage_writepage(struct page *page, struct writeback_control *wbc)
 		bio->bi_sector = pblock << (inode->i_blkbits - 9);
 		bio->bi_end_io = metapage_write_end_io;
 		bio->bi_private = page;
+		bio->bi_rw = WRITE;
 
 		/* Don't call bio_add_page yet, we may add to this vec */
 		bio_offset = offset;
-- 
1.7.9.5
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```
