Re: [PATCH -next 1/4] block/rq_qos: protect 'q->rq_qos' with queue_lock in rq_qos_exit()

To: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH -next 1/4] block/rq_qos: protect 'q->rq_qos' with queue_lock in rq_qos_exit()
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Wed, 21 Dec 2022 02:34:39 -0800
Cc: tj@xxxxxxxxxx, hch@xxxxxxxxxxxxx, josef@xxxxxxxxxxxxxx, axboe@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, yukuai3@xxxxxxxxxx, yi.zhang@xxxxxxxxxx
In-reply-to: <20221217030908.1261787-2-yukuai1@huaweicloud.com>
References: <20221217030908.1261787-1-yukuai1@huaweicloud.com> <20221217030908.1261787-2-yukuai1@huaweicloud.com>

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH -next 0/4] blk-cgroup: synchronize del_gendisk() with configuring cgroup policy
  - From: Yu Kuai
- [PATCH -next 1/4] block/rq_qos: protect 'q->rq_qos' with queue_lock in rq_qos_exit()
  - From: Yu Kuai