Re: [PATCH -next v3 1/3] blk-cgroup: dropping parent refcount after pd_free_fn() is done

To: Yu Kuai <yukuai1@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH -next v3 1/3] blk-cgroup: dropping parent refcount after pd_free_fn() is done
From: Christoph Hellwig <hch@xxxxxx>
Date: Thu, 19 Jan 2023 17:41:30 +0100
Cc: tj@xxxxxxxxxx, hch@xxxxxx, josef@xxxxxxxxxxxxxx, axboe@xxxxxxxxx, cgroups@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, yukuai3@xxxxxxxxxx, yi.zhang@xxxxxxxxxx, yangerkun@xxxxxxxxxx
In-reply-to: <20230119110350.2287325-2-yukuai1@huaweicloud.com>
References: <20230119110350.2287325-1-yukuai1@huaweicloud.com> <20230119110350.2287325-2-yukuai1@huaweicloud.com>
User-agent: Mutt/1.5.17 (2007-11-01)

Looks good,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

References:
- [PATCH -next v3 0/3] blk-cgroup: make sure pd_free_fn() is called in order
  - From: Yu Kuai
- [PATCH -next v3 1/3] blk-cgroup: dropping parent refcount after pd_free_fn() is done
  - From: Yu Kuai