linux-kernel - [PATCH] block: use helper function bio_copy_dev to __bio_clone

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Message-Id: <1602920246-25131-1-git-send-email-huan.xie@suse.com>
Date:   Sat, 17 Oct 2020 15:37:26 +0800
From:   Jeff Xie <chongguiguzi@...il.com>
To:     axboe@...nel.dk
Cc:     linux-block@...r.kernel.org, linux-kernel@...r.kernel.org,
        chongguiguzi@...il.com, huan.xie@...e.com
Subject: [PATCH] block: use helper function bio_copy_dev to __bio_clone_fast

We have introduced helper function bio_copy_dev. Just use it.

Signed-off-by: Jeff Xie <huan.xie@...e.com>
---
 block/bio.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/block/bio.c b/block/bio.c
index 640d0fb..9fce7df 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -679,8 +679,6 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src)
 	 * most users will be overriding ->bi_disk with a new target,
 	 * so we don't set nor calculate new physical/hw segment counts here
 	 */
-	bio->bi_disk = bio_src->bi_disk;
-	bio->bi_partno = bio_src->bi_partno;
 	bio_set_flag(bio, BIO_CLONED);
 	if (bio_flagged(bio_src, BIO_THROTTLED))
 		bio_set_flag(bio, BIO_THROTTLED);
@@ -690,7 +688,7 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src)
 	bio->bi_iter = bio_src->bi_iter;
 	bio->bi_io_vec = bio_src->bi_io_vec;
 
-	bio_clone_blkg_association(bio, bio_src);
+	bio_copy_dev(bio, bio_src);
 	blkcg_bio_issue_init(bio);
 }
 EXPORT_SYMBOL(__bio_clone_fast);
-- 
1.8.3.1