Re: [PATCH] blk-cgroup: delay calling blkcg_exit_disk until disk_release

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To: Ming Lei <ming.lei@xxxxxxxxxx>
Subject: Re: [PATCH] blk-cgroup: delay calling blkcg_exit_disk until disk_release
From: Christoph Hellwig <hch@xxxxxx>
Date: Mon, 13 Feb 2023 09:42:16 +0100
Cc: Christoph Hellwig <hch@xxxxxx>, axboe@xxxxxxxxx, linux-block@xxxxxxxxxxxxxxx
In-reply-to: <Y+n2tX4fVuRrQLuN@T590>
References: <20230208063514.171485-1-hch@lst.de> <Y+XQh3zMHMIX2+jr@T590> <Y+n2tX4fVuRrQLuN@T590>
User-agent: Mutt/1.5.17 (2007-11-01)

On Mon, Feb 13, 2023 at 04:37:09PM +0800, Ming Lei wrote:
> This issue is a bit serious, both blkg & disk & request_queue are leaked by
> commit c43332fe028c ("blk-cgroup: delay calling blkcg_exit_disk until disk_release").
> 
> Can we solve it before merging for-6.3/block into v6.3-rc1?

Yes.  I'm testing a fix at the moment.

References:
- [PATCH] blk-cgroup: delay calling blkcg_exit_disk until disk_release
  - From: Christoph Hellwig
- Re: [PATCH] blk-cgroup: delay calling blkcg_exit_disk until disk_release
  - From: Ming Lei
- Re: [PATCH] blk-cgroup: delay calling blkcg_exit_disk until disk_release
  - From: Ming Lei

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