linux-ext4 - Re: [PATCH 10/27] mm: use bdev_is_zoned in claim

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Date:   Fri, 15 Apr 2022 14:09:42 +0900
From:   Damien Le Moal <damien.lemoal@...nsource.wdc.com>
To:     Christoph Hellwig <hch@....de>, Jens Axboe <axboe@...nel.dk>
Cc:     dm-devel@...hat.com, linux-xfs@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-um@...ts.infradead.org,
        linux-block@...r.kernel.org, drbd-dev@...ts.linbit.com,
        nbd@...er.debian.org, ceph-devel@...r.kernel.org,
        virtualization@...ts.linux-foundation.org,
        xen-devel@...ts.xenproject.org, linux-bcache@...r.kernel.org,
        linux-raid@...r.kernel.org, linux-mmc@...r.kernel.org,
        linux-mtd@...ts.infradead.org, linux-nvme@...ts.infradead.org,
        linux-s390@...r.kernel.org, linux-scsi@...r.kernel.org,
        target-devel@...r.kernel.org, linux-btrfs@...r.kernel.org,
        linux-ext4@...r.kernel.org, linux-f2fs-devel@...ts.sourceforge.net,
        cluster-devel@...hat.com, jfs-discussion@...ts.sourceforge.net,
        linux-nilfs@...r.kernel.org, ntfs3@...ts.linux.dev,
        ocfs2-devel@....oracle.com, linux-mm@...ck.org
Subject: Re: [PATCH 10/27] mm: use bdev_is_zoned in claim_swapfile

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@....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@...nsource.wdc.com>

-- 
Damien Le Moal
Western Digital Research