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Date: Fri, 15 Apr 2022 14:09:42 +0900
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To: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>
References: <20220415045258.199825-1-hch@lst.de>
	<20220415045258.199825-11-hch@lst.de>
From: Damien Le Moal <damien.lemoal@opensource.wdc.com>
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Cc: jfs-discussion@lists.sourceforge.net, linux-nvme@lists.infradead.org,
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Subject: Re: [Drbd-dev] [PATCH 10/27] mm: use bdev_is_zoned in claim_swapfile
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On 4/15/22 13:52, Christoph Hellwig wrote:
> Use the bdev based helper instead of poking into the queue.
> 
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
>  mm/swapfile.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mm/swapfile.c b/mm/swapfile.c
> index 63c61f8b26118..4c7537162af5e 100644
> --- a/mm/swapfile.c
> +++ b/mm/swapfile.c
> @@ -2761,7 +2761,7 @@ static int claim_swapfile(struct swap_info_struct *p, struct inode *inode)
>  		 * write only restriction.  Hence zoned block devices are not
>  		 * suitable for swapping.  Disallow them here.
>  		 */
> -		if (blk_queue_is_zoned(p->bdev->bd_disk->queue))
> +		if (bdev_is_zoned(p->bdev))
>  			return -EINVAL;
>  		p->flags |= SWP_BLKDEV;
>  	} else if (S_ISREG(inode->i_mode)) {

Looks good.

Reviewed-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>

-- 
Damien Le Moal
Western Digital Research