# \[RFC PATCH 04/37\] btrfs: use bio\_init\_fields in volumes

- From: Chaitanya Kulkarni \<hidden\>
- Date: 2021-01-19 08:27:36 
- List: linux-btrfs
- Page: https://ratatoskr.run/linux-btrfs/2021/01/197626
- Thread: https://ratatoskr.run/linux-block/2021/01/197632/t.md

```text
Signed-off-by: Chaitanya Kulkarni <redacted>
---
 fs/btrfs/volumes.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index ee086fc56c30..836167212252 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -6371,14 +6371,12 @@ static void submit_stripe_bio(struct btrfs_bio *bbio, struct bio *bio,
 
 	bio->bi_private = bbio;
 	btrfs_io_bio(bio)->device = dev;
-	bio->bi_end_io = btrfs_end_bio;
-	bio->bi_iter.bi_sector = physical >> 9;
+	bio_init_fields(bio, dev->bdev, physical >> 9, bbio, btrfs_end_bio, 0, 0);
 	btrfs_debug_in_rcu(fs_info,
 	"btrfs_map_bio: rw %d 0x%x, sector=%llu, dev=%lu (%s id %llu), size=%u",
 		bio_op(bio), bio->bi_opf, bio->bi_iter.bi_sector,
 		(unsigned long)dev->bdev->bd_dev, rcu_str_deref(dev->name),
 		dev->devid, bio->bi_iter.bi_size);
-	bio_set_dev(bio, dev->bdev);
 
 	btrfs_bio_counter_inc_noblocked(fs_info);
 
-- 
2.22.1

```