[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <Y3Vf7LYexIXiUeOE@redhat.com>
Date: Wed, 16 Nov 2022 17:10:52 -0500
From: Mike Snitzer <snitzer@...hat.com>
To: Yu Kuai <yukuai1@...weicloud.com>
Cc: hch@....de, axboe@...nel.dk, agk@...hat.com, snitzer@...nel.org,
dm-devel@...hat.com, linux-block@...r.kernel.org,
linux-kernel@...r.kernel.org, yukuai3@...wei.com,
yi.zhang@...wei.com
Subject: Re: [PATCH v3 01/10] block: clear ->slave_dir when dropping the main
slave_dir reference
On Tue, Nov 15 2022 at 9:10P -0500,
Yu Kuai <yukuai1@...weicloud.com> wrote:
> From: Christoph Hellwig <hch@....de>
>
> Zero out the pointer to ->slave_dir so that the holder code doesn't
> incorrectly treat the object as alive when add_disk failed or after
> del_gendisk was called.
>
> Fixes: 89f871af1b26 ("dm: delay registering the gendisk")
> Reported-by: Yu Kuai <yukuai3@...wei.com>
> Signed-off-by: Christoph Hellwig <hch@....de>
> Signed-off-by: Yu Kuai <yukuai3@...wei.com>
Reviewed-by: Mike Snitzer <snitzer@...nel.org>
Powered by blists - more mailing lists