Re: [PATCH v2 5/5] blk-iocost: read params inside lock in sysfs apis

To: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH v2 5/5] blk-iocost: read params inside lock in sysfs apis
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 7 Nov 2022 06:56:47 +0100
Cc: hch@xxxxxx, tj@xxxxxxxxxx, josef@xxxxxxxxxxxxxx, axboe@xxxxxxxxx, yukuai3@xxxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, yi.zhang@xxxxxxxxxx
In-reply-to: <20221104023938.2346986-6-yukuai1@huaweicloud.com>
References: <20221104023938.2346986-1-yukuai1@huaweicloud.com> <20221104023938.2346986-6-yukuai1@huaweicloud.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Looks good:

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH v2 0/5] blk-iocost: random patches to improve configuration
  - From: Yu Kuai
- [PATCH v2 5/5] blk-iocost: read params inside lock in sysfs apis
  - From: Yu Kuai