From: Ming Lei <ming.lei@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
linux-block@vger.kernel.org, Yu Kuai <yukuai3@huawei.com>
Subject: Re: [PATCH 2/3] block: let blkcg_gq grab request queue's refcnt
Date: Wed, 23 Mar 2022 08:32:56 +0800 [thread overview]
Message-ID: <YjpquAY3l9qdOzmE@T590> (raw)
In-Reply-To: <Yjn9JBT02ZbSdRbb@slm.duckdns.org>
On Tue, Mar 22, 2022 at 06:45:24AM -1000, Tejun Heo wrote:
> On Tue, Mar 22, 2022 at 06:23:34PM +0800, Ming Lei wrote:
> > One solution is to delay 'blk_put_queue(blkg->q)' and 'kfree(blkg)'
> > into one work function by reusing blkg->async_bio_work as release_work.
> >
> > I will prepare one patch for addressing the issue.
>
> Ah, so, this is the report. Can you please include the backtrace and
> reference to the patch you posted?
OK.
Also I guess it has answered your question in another thread.
Thanks,
Ming
next prev parent reply other threads:[~2022-03-23 0:33 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-18 13:01 [PATCH for-5.18 0/3] block: throttle related fixes Ming Lei
2022-03-18 13:01 ` [PATCH 1/3] block: avoid use-after-free on throttle data Ming Lei
2022-03-18 13:01 ` [PATCH 2/3] block: let blkcg_gq grab request queue's refcnt Ming Lei
2022-03-22 9:33 ` Christoph Hellwig
2022-03-22 10:23 ` Ming Lei
2022-03-22 16:45 ` Tejun Heo
2022-03-23 0:32 ` Ming Lei [this message]
2022-04-20 1:46 ` Williams, Dan J
2022-04-20 2:01 ` yukuai (C)
2022-04-20 2:20 ` Ming Lei
2022-04-20 3:40 ` Dan Williams
2022-03-18 13:01 ` [PATCH 3/3] block: cancel all throttled bios in del_gendisk() Ming Lei
2022-03-18 15:58 ` [PATCH for-5.18 0/3] block: throttle related fixes Jens Axboe
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