From: Jens Axboe <axboe@kernel.dk>
To: Bart Van Assche <bart.vanassche@wdc.com>
Cc: linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>
Subject: Re: [PATCH v5 0/6] Fix races between blkcg code and request queue initialization and cleanup
Date: Wed, 28 Feb 2018 11:19:15 -0700 [thread overview]
Message-ID: <5fe43ee3-2982-6d6d-2461-519fa02d00cd@kernel.dk> (raw)
In-Reply-To: <20180228181533.29402-1-bart.vanassche@wdc.com>
On 2/28/18 11:15 AM, Bart Van Assche wrote:
> Hello Jens,
>
> Recently Joseph Qi identified races between the block cgroup code and request
> queue initialization and cleanup. This patch series address these races.
>
> This patch series is structured as follows:
> - Patches 3..6 fix the aforementioned races.
> - Patches 1..3 ensure that all maintained block drivers delete the gendisk
> before cleaning up the request queue because patches 3..6 are only safe
> if block driver shutdown uses this order. The gdrom driver (Sega Dreamcast
> GD-ROM driver) has not been modified because from what I saw in the changelog
> of this driver it seems to me like that driver is no longer in use. According
> to what I found on the web production of Sega Dreamcast was stopped in 2001
> (https://www.theguardian.com/business/2001/feb/01/4).
>
> Please consider these patches for kernel v4.17.
Didn't Ming ack the first three?
--
Jens Axboe
next prev parent reply other threads:[~2018-02-28 18:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-28 18:15 [PATCH v5 0/6] Fix races between blkcg code and request queue initialization and cleanup Bart Van Assche
2018-02-28 18:15 ` [PATCH v5 1/6] block/loop: Delete gendisk before cleaning up the request queue Bart Van Assche
2018-02-28 18:15 ` [PATCH v5 2/6] md: " Bart Van Assche
2018-02-28 18:15 ` [PATCH v5 3/6] zram: " Bart Van Assche
2018-02-28 18:15 ` [PATCH v5 4/6] block: Add 'lock' as third argument to blk_alloc_queue_node() Bart Van Assche
2018-02-28 18:15 ` [PATCH v5 5/6] block: Fix a race between the cgroup code and request queue initialization Bart Van Assche
2018-02-28 18:15 ` [PATCH v5 6/6] block: Fix a race between request queue removal and the block cgroup controller Bart Van Assche
2018-02-28 18:19 ` Jens Axboe [this message]
2018-02-28 19:01 ` [PATCH v5 0/6] Fix races between blkcg code and request queue initialization and cleanup Bart Van Assche
2018-02-28 19:08 ` Jens Axboe
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=5fe43ee3-2982-6d6d-2461-519fa02d00cd@kernel.dk \
--to=axboe@kernel.dk \
--cc=bart.vanassche@wdc.com \
--cc=hch@lst.de \
--cc=linux-block@vger.kernel.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