From:   Jens Axboe <axboe@kernel.dk>
To:     tj@kernel.org, hch@lst.de, josef@toxicpanda.com,
        Yu Kuai <yukuai1@huaweicloud.com>
Cc:     cgroups@vger.kernel.org, linux-block@vger.kernel.org,
        linux-kernel@vger.kernel.org, yukuai3@huawei.com,
        yi.zhang@huawei.com, yangerkun@huawei.com
In-Reply-To: <20230119110350.2287325-1-yukuai1@huaweicloud.com>
References: <20230119110350.2287325-1-yukuai1@huaweicloud.com>
Subject: Re: [PATCH -next v3 0/3] blk-cgroup: make sure pd_free_fn() is
 called in order
Message-Id: <167503083019.59803.12005563665423303861.b4-ty@kernel.dk>
Date:   Sun, 29 Jan 2023 15:20:30 -0700
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 7bit
Precedence: bulk


On Thu, 19 Jan 2023 19:03:47 +0800, Yu Kuai wrote:
> Changes in v3:
>  - add ack tag from Tejun for patch 1,2
>  - as suggested by Tejun, update commit message and comments in patch 3
> 
> The problem was found in iocost orignally([1]) that ioc can be freed in
> ioc_pd_free(). And later we found that there are more problem in
> iocost([2]).
> 
> [...]

Applied, thanks!

[1/3] blk-cgroup: dropping parent refcount after pd_free_fn() is done
      commit: c7241babf0855d8a6180cd1743ff0ec34de40b4e
[2/3] blk-cgroup: support to track if policy is online
      commit: dfd6200a095440b663099d8d42f1efb0175a1ce3
[3/3] blk-cgroup: synchronize pd_free_fn() from blkg_free_workfn() and blkcg_deactivate_policy()
      commit: f1c006f1c6850c14040f8337753a63119bba39b9

Best regards,
-- 
Jens Axboe