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Subject: Re: [PATCH 15/19] md: use bdev_check_media_change
To:     Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>
Cc:     Denis Efremov <efremov@linux.com>, Tim Waugh <tim@cyberelk.net>,
        Michal Simek <michal.simek@xilinx.com>,
        Borislav Petkov <bp@alien8.de>,
        "David S. Miller" <davem@davemloft.net>,
        Song Liu <song@kernel.org>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        Finn Thain <fthain@telegraphics.com.au>,
        Michael Schmitz <schmitzmic@gmail.com>,
        linux-m68k@lists.linux-m68k.org, linux-block@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org,
        linux-raid@vger.kernel.org, linux-scsi@vger.kernel.org,
        linux-fsdevel@vger.kernel.org,
        Johannes Thumshirn <johannes.thumshirn@wdc.com>
References: <20200908145347.2992670-1-hch@lst.de>
 <20200908145347.2992670-16-hch@lst.de>
From:   Hannes Reinecke <hare@suse.de>
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Message-ID: <f346a6b9-7a98-5f5b-ca77-bd15223cb6ac@suse.de>
Date:   Wed, 9 Sep 2020 09:34:54 +0200
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On 9/8/20 4:53 PM, Christoph Hellwig wrote:
> The md driver does not have a ->revalidate_disk method, so it can just
> use bdev_check_media_change without any additional changes.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> ---
>  drivers/md/md.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/md/md.c b/drivers/md/md.c
> index 9562ef598ae1f4..27ed61197014ef 100644
> --- a/drivers/md/md.c
> +++ b/drivers/md/md.c
> @@ -7848,7 +7848,7 @@ static int md_open(struct block_device *bdev, fmode_t mode)
>  	atomic_inc(&mddev->openers);
>  	mutex_unlock(&mddev->open_mutex);
>  
> -	check_disk_change(bdev);
> +	bdev_check_media_change(bdev);
>   out:
>  	if (err)
>  		mddev_put(mddev);
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		           Kernel Storage Architect
hare@suse.de			                  +49 911 74053 688
SUSE Software Solutions Germany GmbH, Maxfeldstr. 5, 90409 Nürnberg
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