linux-kernel - Re: [PATCH 06/16] nvmet: use blk_queue_zone

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Date:   Fri, 29 Apr 2022 17:27:11 +0000
From:   Adam Manzanares <a.manzanares@...sung.com>
To:     Pankaj Raghav <p.raghav@...sung.com>
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Subject: Re: [PATCH 06/16] nvmet: use blk_queue_zone_no()

On Wed, Apr 27, 2022 at 06:02:45PM +0200, Pankaj Raghav wrote:
> From: Luis Chamberlain <mcgrof@...nel.org>
> 
> Instead of open coding the number of zones given a sector, use the helper
> blk_queue_zone_no(). This let's us make modifications to the math if
> needed in one place and adds now support for npo2 zone devices.
> 
> Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
> Signed-off-by: Pankaj Raghav <p.raghav@...sung.com>
> ---
>  drivers/nvme/target/zns.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/nvme/target/zns.c b/drivers/nvme/target/zns.c
> index e34718b09550..e41b6a6ef048 100644
> --- a/drivers/nvme/target/zns.c
> +++ b/drivers/nvme/target/zns.c
> @@ -243,7 +243,7 @@ static unsigned long nvmet_req_nr_zones_from_slba(struct nvmet_req *req)
>  	unsigned int sect = nvmet_lba_to_sect(req->ns, req->cmd->zmr.slba);
>  
>  	return blkdev_nr_zones(req->ns->bdev->bd_disk) -
> -		(sect >> ilog2(bdev_zone_sectors(req->ns->bdev)));
> +	       bdev_zone_no(req->ns->bdev, sect);
>  }
>  
>  static unsigned long get_nr_zones_from_buf(struct nvmet_req *req, u32 bufsize)
> -- 
> 2.25.1
>


Looks good.

Reviewed by: Adam Manzanares <a.manzanares@...sung.com>