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From: "yukuai (C)" <yukuai3@huawei.com>
To: Ming Lei <ming.lei@redhat.com>
Cc: <axboe@kernel.dk>, <chaitanya.kulkarni@wdc.com>,
	<damien.lemoal@wdc.com>, <bvanassche@acm.org>,
	<dhowells@redhat.com>, <asml.silence@gmail.com>,
	<ajay.joshi@wdc.com>, <linux-block@vger.kernel.org>,
	<linux-kernel@vger.kernel.org>, <yi.zhang@huawei.com>,
	<zhangxiaoxu5@huawei.com>, <luoshijie1@huawei.com>
Subject: Re: [PATCH] block: revert pushing the final release of request_queue to a workqueue.
Date: Fri, 7 Feb 2020 20:24:59 +0800	[thread overview]
Message-ID: <63873791-e303-aece-94c5-efb2a6976363@huawei.com> (raw)
In-Reply-To: <1f2fb027-1d62-2a52-9956-7847fa1baf96@huawei.com>

On 2020/2/7 18:26, yukuai (C) wrote:
> The reason of the problem is because the final release of request_queue
> may be called after loop_remove() returns.

The description is not accurate. The reason of the problem is that
__blk_trace_setup() called before the final release of request_queue
returns.(step 4 before step 5)

Thanks!
Yu Kuai


  reply	other threads:[~2020-02-07 12:25 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-06 11:10 [PATCH] block: revert pushing the final release of request_queue to a workqueue yu kuai
2020-02-07  4:09 ` Bart Van Assche
2020-02-07  6:02   ` yukuai (C)
2020-02-07  7:10     ` yukuai (C)
2020-02-07  9:30 ` Ming Lei
2020-02-07 10:26   ` yukuai (C)
2020-02-07 12:24     ` yukuai (C) [this message]
2020-02-07 13:04       ` Ming Lei
2020-02-08  6:12         ` yukuai (C)
2020-02-10  1:00 ` Bart Van Assche
2020-02-10  2:13   ` yukuai (C)
2020-02-10  2:32     ` Ming Lei
2020-02-10  3:14     ` Bart Van Assche
2020-02-10  8:49       ` yukuai (C)

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