[RFC PATCH 03/37] btrfs: use bio_init_fields in disk-io

[Chaitanya Kulkarni]

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulka...@wdc.com>
---
 fs/btrfs/disk-io.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 765deefda92b..9a65432fc5e9 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -3637,10 +3637,8 @@ static int write_dev_supers(struct btrfs_device *device,
                 * checking.
                 */
                bio = bio_alloc(GFP_NOFS, 1);
-               bio_set_dev(bio, device->bdev);
-               bio->bi_iter.bi_sector = bytenr >> SECTOR_SHIFT;
-               bio->bi_private = device;
-               bio->bi_end_io = btrfs_end_super_write;
+               bio_init_fields(bio, device->bdev, bytenr >> SECTOR_SHIFT,
+                               device, btrfs_end_super_write, 0, 0);
                __bio_add_page(bio, page, BTRFS_SUPER_INFO_SIZE,
                               offset_in_page(bytenr));
 
@@ -3748,11 +3746,10 @@ static void write_dev_flush(struct btrfs_device *device)
                return;
 
        bio_reset(bio);
-       bio->bi_end_io = btrfs_end_empty_barrier;
-       bio_set_dev(bio, device->bdev);
        bio->bi_opf = REQ_OP_WRITE | REQ_SYNC | REQ_PREFLUSH;
        init_completion(&device->flush_wait);
-       bio->bi_private = &device->flush_wait;
+       bio_init_fields(bio, device->bdev, 0, &device->flush_wait,
+                       btrfs_end_empty_barrier, 0, 0);
 
        btrfsic_submit_bio(bio);
        set_bit(BTRFS_DEV_STATE_FLUSH_SENT, &device->dev_state);
-- 
2.22.1