From: Jens Axboe <axboe@kernel.dk>
To: bvanassche@acm.org, chengming.zhou@linux.dev
Cc: kch@nvidia.com, damien.lemoal@opensource.wdc.com,
ming.lei@redhat.com, zhouchengming@bytedance.com,
justinstitt@google.com, shinichiro.kawasaki@wdc.com,
akinobu.mita@gmail.com, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org,
syzbot+fcc47ba2476570cbbeb0@syzkaller.appspotmail.com
Subject: Re: [PATCH] block/null_blk: Fix double blk_mq_start_request() warning
Date: Mon, 20 Nov 2023 10:26:46 -0700 [thread overview]
Message-ID: <170050120665.99906.16634161281918179381.b4-ty@kernel.dk> (raw)
In-Reply-To: <20231120032521.1012037-1-chengming.zhou@linux.dev>
On Mon, 20 Nov 2023 03:25:21 +0000, chengming.zhou@linux.dev wrote:
> When CONFIG_BLK_DEV_NULL_BLK_FAULT_INJECTION is enabled, null_queue_rq()
> would return BLK_STS_RESOURCE or BLK_STS_DEV_RESOURCE for the request,
> which has been marked as MQ_RQ_IN_FLIGHT by blk_mq_start_request().
>
> Then null_queue_rqs() put these requests in the rqlist, return back to
> the block layer core, which would try to queue them individually again,
> so the warning in blk_mq_start_request() triggered.
>
> [...]
Applied, thanks!
[1/1] block/null_blk: Fix double blk_mq_start_request() warning
commit: 53f2bca2609237f910531f2c1a7779b16ce7952d
Best regards,
--
Jens Axboe
prev parent reply other threads:[~2023-11-20 17:26 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-20 3:25 chengming.zhou
2023-11-20 17:26 ` Jens Axboe [this message]
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=170050120665.99906.16634161281918179381.b4-ty@kernel.dk \
--to=axboe@kernel.dk \
--cc=akinobu.mita@gmail.com \
--cc=bvanassche@acm.org \
--cc=chengming.zhou@linux.dev \
--cc=damien.lemoal@opensource.wdc.com \
--cc=justinstitt@google.com \
--cc=kch@nvidia.com \
--cc=linux-block@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=ming.lei@redhat.com \
--cc=shinichiro.kawasaki@wdc.com \
--cc=syzbot+fcc47ba2476570cbbeb0@syzkaller.appspotmail.com \
--cc=zhouchengming@bytedance.com \
/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
all inboxes | Powered by JetHome®