From: Christoph Hellwig <hch@lst.de>
To: Damien Le Moal <dlemoal@kernel.org>
Cc: Jens Axboe <axboe@kernel.dk>,
Bart Van Assche <bvanassche@acm.org>,
linux-block@vger.kernel.org, Christoph Hellwig <hch@lst.de>,
Yu Kuai <yukuai1@huaweicloud.com>, Ming Lei <ming.lei@redhat.com>,
stable@vger.kernel.org
Subject: Re: [PATCH] block: Fix a deadlock related freezing zoned storage devices
Date: Fri, 23 May 2025 10:22:55 +0200 [thread overview]
Message-ID: <20250523082254.GB15587@lst.de> (raw)
In-Reply-To: <7fd56f2c-a769-4e9e-8168-6896b647087a@kernel.org>
On Fri, May 23, 2025 at 10:20:35AM +0200, Damien Le Moal wrote:
>
> Looking into this deeper, the regular mq path actually likely has the same issue
> since it will call blk_queue_enter() if we do not have a cached request. So this
> solution is only partial and not good enough. We need something else.
The bio_zone_write_plugging case in blk_mq_submit_bio always
reused the existing queue reference.
next prev parent reply other threads:[~2025-05-23 8:23 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-05-22 17:14 [PATCH] block: Fix a deadlock related freezing zoned storage devices Bart Van Assche
2025-05-22 17:38 ` Jens Axboe
2025-05-22 18:32 ` Bart Van Assche
2025-05-23 2:10 ` Ming Lei
2025-05-23 6:06 ` Damien Le Moal
2025-05-23 5:53 ` Damien Le Moal
2025-05-23 8:10 ` Damien Le Moal
2025-05-23 8:20 ` Damien Le Moal
2025-05-23 8:22 ` Christoph Hellwig [this message]
2025-05-23 8:20 ` Christoph Hellwig
2025-05-23 11:00 ` Damien Le Moal
2025-05-26 7:41 ` Damien Le Moal
2025-05-27 21:49 ` Bart Van Assche
2025-05-23 12:36 ` Jens Axboe
2025-05-23 3:10 ` Christoph Hellwig
2025-05-23 16:08 ` Bart Van Assche
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