linux-kernel - [PATCH 1/4] raid5-ppl: fully initialize the bio in ppl_new

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220228112503.841449-2-hch@lst.de>
Date:   Mon, 28 Feb 2022 13:25:00 +0200
From:   Christoph Hellwig <hch@....de>
To:     Song Liu <song@...nel.org>
Cc:     linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 1/4] raid5-ppl: fully initialize the bio in ppl_new_iounit

We have all the information to pass the bdev and op directly to bio_init,
so do that.

Signed-off-by: Christoph Hellwig <hch@....de>
---
 drivers/md/raid5-ppl.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/md/raid5-ppl.c b/drivers/md/raid5-ppl.c
index 3446797fa0aca..f7fdd8292485d 100644
--- a/drivers/md/raid5-ppl.c
+++ b/drivers/md/raid5-ppl.c
@@ -250,7 +250,8 @@ static struct ppl_io_unit *ppl_new_iounit(struct ppl_log *log,
 	INIT_LIST_HEAD(&io->stripe_list);
 	atomic_set(&io->pending_stripes, 0);
 	atomic_set(&io->pending_flushes, 0);
-	bio_init(&io->bio, NULL, io->biovec, PPL_IO_INLINE_BVECS, 0);
+	bio_init(&io->bio, log->rdev->bdev, io->biovec, PPL_IO_INLINE_BVECS,
+		 REQ_OP_WRITE | REQ_FUA);
 
 	pplhdr = page_address(io->header_page);
 	clear_page(pplhdr);
@@ -465,8 +466,6 @@ static void ppl_submit_iounit(struct ppl_io_unit *io)
 
 
 	bio->bi_end_io = ppl_log_endio;
-	bio->bi_opf = REQ_OP_WRITE | REQ_FUA;
-	bio_set_dev(bio, log->rdev->bdev);
 	bio->bi_iter.bi_sector = log->next_io_sector;
 	bio_add_page(bio, io->header_page, PAGE_SIZE, 0);
 	bio->bi_write_hint = ppl_conf->write_hint;
-- 
2.30.2