linux-kernel - Re: [PATCH v2 06/13] nvdimm/pmem: cleanup the disk if pmem_release

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Message-ID: <20211103160635.GF31562@lst.de>
Date:   Wed, 3 Nov 2021 17:06:35 +0100
From:   Christoph Hellwig <hch@....de>
To:     Luis Chamberlain <mcgrof@...nel.org>
Cc:     axboe@...nel.dk, hch@....de, penguin-kernel@...ove.sakura.ne.jp,
        dan.j.williams@...el.com, vishal.l.verma@...el.com,
        dave.jiang@...el.com, ira.weiny@...el.com, richard@....at,
        miquel.raynal@...tlin.com, vigneshr@...com, efremov@...ux.com,
        song@...nel.org, martin.petersen@...cle.com, hare@...e.de,
        jack@...e.cz, ming.lei@...hat.com, tj@...nel.org,
        linux-mtd@...ts.infradead.org, linux-scsi@...r.kernel.org,
        linux-raid@...r.kernel.org, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 06/13] nvdimm/pmem: cleanup the disk if
 pmem_release_disk() is yet assigned

On Wed, Nov 03, 2021 at 05:21:50AM -0700, Luis Chamberlain wrote:
> Prior to devm being able to use pmem_release_disk() there are other
> failure which can occur for which we must account for and release the
> disk for. Address those few cases.
> 
> Fixes: 3dd60fb9d95d ("nvdimm/pmem: stop using q_usage_count as external pgmap refcount")
> Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>

Looks good,

Reviewed-by: Christoph Hellwig <hch@....de>