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Subject: Re: [PATCH -next] blk-mq: fix potential io hang by wrong 'wake_batch'
To:     Jens Axboe <axboe@kernel.dk>, Yu Kuai <yukuai1@huaweicloud.com>,
        jack@suse.cz, andriy.shevchenko@linux.intel.com,
        qiulaibin@huawei.com
Cc:     linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
        yi.zhang@huawei.com, yangerkun@huawei.com,
        "yukuai (C)" <yukuai3@huawei.com>
References: <20230609085130.2320859-1-yukuai1@huaweicloud.com>
 <6b2fc148-3bf9-83d5-fd5e-242ff51c9c96@kernel.dk>
From:   Yu Kuai <yukuai1@huaweicloud.com>
Message-ID: <a745facb-07de-3118-6fe3-08e68bc1224b@huaweicloud.com>
Date:   Sat, 10 Jun 2023 10:26:36 +0800
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Hi,

在 2023/06/10 1:41, Jens Axboe 写道:
>>From a quick look, these are the only manipulators of active_queues.
> If we're under the tags lock, why do they still need to be atomics?
> 
Yes, 'active_queues' doesn't need to be atomic any more.

Thanks,
Kuai