linux-kernel - [RFC PATCH 23/37] dm-zoned: use bio_init

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Date:   Mon, 18 Jan 2021 21:06:17 -0800
From:   Chaitanya Kulkarni <chaitanya.kulkarni@....com>
To:     linux-block@...r.kernel.org, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        drbd-dev@...ts.linbit.com, linux-bcache@...r.kernel.org,
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Cc:     jfs-discussion@...ts.sourceforge.net, dm-devel@...hat.com,
        axboe@...nel.dk, philipp.reisner@...bit.com,
        lars.ellenberg@...bit.com, efremov@...ux.com, colyli@...e.de,
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        asml.silence@...il.com, jefflexu@...ux.alibaba.com,
        Chaitanya Kulkarni <chaitanya.kulkarni@....com>
Subject: [RFC PATCH 23/37] dm-zoned: use bio_init_fields metadata

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@....com>
---
 drivers/md/dm-zoned-metadata.c | 15 +++++----------
 1 file changed, 5 insertions(+), 10 deletions(-)

diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index b298fefb022e..f114d595ce23 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -577,10 +577,8 @@ static struct dmz_mblock *dmz_get_mblock_slow(struct dmz_metadata *zmd,
 	spin_unlock(&zmd->mblk_lock);
 
 	/* Submit read BIO */
-	bio->bi_iter.bi_sector = dmz_blk2sect(block);
-	bio_set_dev(bio, dev->bdev);
-	bio->bi_private = mblk;
-	bio->bi_end_io = dmz_mblock_bio_end_io;
+	bio_init_fields(bio, dev->bdev, dmz_blk2sect(block), mblk,
+			dmz_mblock_bio_end_io, 0, 0);
 	bio_set_op_attrs(bio, REQ_OP_READ, REQ_META | REQ_PRIO);
 	bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0);
 	submit_bio(bio);
@@ -733,10 +731,8 @@ static int dmz_write_mblock(struct dmz_metadata *zmd, struct dmz_mblock *mblk,
 
 	set_bit(DMZ_META_WRITING, &mblk->state);
 
-	bio->bi_iter.bi_sector = dmz_blk2sect(block);
-	bio_set_dev(bio, dev->bdev);
-	bio->bi_private = mblk;
-	bio->bi_end_io = dmz_mblock_bio_end_io;
+	bio_init_fields(bio, dev->bdev, dmz_blk2sect(block), mblk,
+			dmz_mblock_bio_end_io, 0, 0);
 	bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_META | REQ_PRIO);
 	bio_add_page(bio, mblk->page, DMZ_BLOCK_SIZE, 0);
 	submit_bio(bio);
@@ -763,8 +759,7 @@ static int dmz_rdwr_block(struct dmz_dev *dev, int op,
 	if (!bio)
 		return -ENOMEM;
 
-	bio->bi_iter.bi_sector = dmz_blk2sect(block);
-	bio_set_dev(bio, dev->bdev);
+	bio_init_fields(bio, dev->bdev, dmz_blk2sect(block), NULL, NULL, 0, 0);
 	bio_set_op_attrs(bio, op, REQ_SYNC | REQ_META | REQ_PRIO);
 	bio_add_page(bio, page, DMZ_BLOCK_SIZE, 0);
 	ret = submit_bio_wait(bio);
-- 
2.22.1