From: Damien Le Moal <damien.lemoal@opensource.wdc.com>
To: Johannes Thumshirn <johannes.thumshirn@wdc.com>,
Jens Axboe <axboe@kernel.dk>
Cc: linux-raid@vger.kernel.org, jfs-discussion@lists.sourceforge.net,
cluster-devel@redhat.com, Chaitanya Kulkarni <kch@nvidia.com>,
Andreas Gruenbacher <agruenba@redhat.com>,
Song Liu <song@kernel.org>, Dave Kleikamp <shaggy@kernel.org>,
Mike Snitzer <snitzer@kernel.org>,
Matthew Wilcox <willy@infradead.org>,
Ming Lei <ming.lei@redhat.com>,
linux-block@vger.kernel.org, linux-mm@kvack.org,
dm-devel@redhat.com, David Sterba <dsterba@suse.com>,
linux-fsdevel@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
linux-btrfs@vger.kernel.org, Bob Peterson <rpeterso@redhat.com>
Subject: Re: [dm-devel] [PATCH 05/19] md: use __bio_add_page to add single page
Date: Thu, 30 Mar 2023 08:31:47 +0900 [thread overview]
Message-ID: <c90afdff-55c6-a4f2-0ad9-a7bb30e6c214@opensource.wdc.com> (raw)
In-Reply-To: <55ec6659d861fd13e8e4f46d3e5a7fbad07e3721.1680108414.git.johannes.thumshirn@wdc.com>
On 3/30/23 02:05, Johannes Thumshirn wrote:
> The md-raid superblock writing code uses bio_add_page() to add a page to a
> newly created bio. bio_add_page() can fail, but the return value is never
> checked.
>
> Use __bio_add_page() as adding a single page to a newly created bio is
> guaranteed to succeed.
>
> This brings us a step closer to marking bio_add_page() as __must_check.
>
> Signed-of_-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
--
Damien Le Moal
Western Digital Research
--
dm-devel mailing list
dm-devel@redhat.com
https://listman.redhat.com/mailman/listinfo/dm-devel
next prev parent reply other threads:[~2023-03-29 23:33 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-29 17:05 [dm-devel] [PATCH 00/19] bio: check return values of bio_add_page Johannes Thumshirn
2023-03-29 17:05 ` [dm-devel] [PATCH 01/19] swap: use __bio_add_page to add page to bio Johannes Thumshirn
2023-03-29 23:29 ` Damien Le Moal
[not found] ` <CGME20230331122046eucas1p247e0cd2d06229a6b7cae9cb26ea43d5b@eucas1p2.samsung.com>
2023-03-31 12:12 ` Pankaj Raghav
2023-03-29 17:05 ` [dm-devel] [PATCH 02/19] drbd: " Johannes Thumshirn
2023-03-29 17:48 ` Matthew Wilcox
2023-03-29 23:29 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 03/19] dm: dm-zoned: use __bio_add_page for adding single metadata page Johannes Thumshirn
2023-03-29 23:30 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 04/19] fs: buffer: use __bio_add_page to add single page to bio Johannes Thumshirn
2023-03-29 23:31 ` Damien Le Moal
[not found] ` <CGME20230331122235eucas1p2208286ce210d9b01ea36a26bd3897b72@eucas1p2.samsung.com>
2023-03-31 12:14 ` Pankaj Raghav
2023-03-29 17:05 ` [dm-devel] [PATCH 05/19] md: use __bio_add_page to add single page Johannes Thumshirn
2023-03-29 23:31 ` Damien Le Moal [this message]
2023-03-29 17:05 ` [dm-devel] [PATCH 06/19] md: raid5-log: " Johannes Thumshirn
2023-03-29 23:32 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 07/19] md: raid5: use __bio_add_page to add single page to new bio Johannes Thumshirn
2023-03-29 23:32 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 08/19] btrfs: repair: use __bio_add_page for adding single page Johannes Thumshirn
2023-03-29 23:33 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 09/19] btrfs: raid56: use __bio_add_page to add " Johannes Thumshirn
2023-03-29 23:33 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 10/19] jfs: logmgr: use __bio_add_page to add single page to bio Johannes Thumshirn
2023-03-29 23:34 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 11/19] gfs: use __bio_add_page for adding " Johannes Thumshirn
2023-03-29 23:34 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 12/19] zonefs: " Johannes Thumshirn
2023-03-29 23:35 ` Damien Le Moal
2023-03-29 17:05 ` [dm-devel] [PATCH 13/19] zram: " Johannes Thumshirn
2023-03-29 23:36 ` Damien Le Moal
[not found] ` <CGME20230331122828eucas1p18e0bbbda45a6955f59fc82b29f42a8bb@eucas1p1.samsung.com>
2023-03-31 12:20 ` Pankaj Raghav
2023-03-29 17:06 ` [dm-devel] [PATCH 14/19] floppy: " Johannes Thumshirn
2023-03-29 23:36 ` Damien Le Moal
2023-03-29 17:06 ` [dm-devel] [PATCH 15/19] md: check for failure when adding pages in alloc_behind_master_bio Johannes Thumshirn
2023-03-29 23:38 ` Damien Le Moal
2023-03-29 17:06 ` [dm-devel] [PATCH 16/19] md: raid1: use __bio_add_page for adding single page to bio Johannes Thumshirn
2023-03-29 23:38 ` Damien Le Moal
2023-03-29 17:06 ` [dm-devel] [PATCH 17/19] md: raid1: check if adding pages to resync bio fails Johannes Thumshirn
2023-03-29 23:44 ` Damien Le Moal
2023-03-30 10:38 ` Johannes Thumshirn
2023-03-29 17:06 ` [dm-devel] [PATCH 18/19] dm-crypt: check if adding pages to clone " Johannes Thumshirn
2023-03-29 23:49 ` Damien Le Moal
2023-03-30 0:17 ` Yang Shi
2023-03-30 0:24 ` Damien Le Moal
2023-03-30 22:29 ` Yang Shi
2023-03-29 17:06 ` [dm-devel] [PATCH 19/19] block: mark bio_add_page as __must_check Johannes Thumshirn
2023-03-29 23:58 ` Damien Le Moal
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=c90afdff-55c6-a4f2-0ad9-a7bb30e6c214@opensource.wdc.com \
--to=damien.lemoal@opensource.wdc.com \
--cc=agruenba@redhat.com \
--cc=axboe@kernel.dk \
--cc=cluster-devel@redhat.com \
--cc=dm-devel@redhat.com \
--cc=dsterba@suse.com \
--cc=hch@lst.de \
--cc=jfs-discussion@lists.sourceforge.net \
--cc=johannes.thumshirn@wdc.com \
--cc=kch@nvidia.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-btrfs@vger.kernel.org \
--cc=linux-fsdevel@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=linux-raid@vger.kernel.org \
--cc=ming.lei@redhat.com \
--cc=rpeterso@redhat.com \
--cc=shaggy@kernel.org \
--cc=snitzer@kernel.org \
--cc=song@kernel.org \
--cc=willy@infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).