[PATCH v13 04/13] nvmet: Allow ZNS target to support non-power_of_2 zone sizes

Chaitanya Kulkarni chaitanyak at nvidia.com
Wed Sep 14 10:16:27 PDT 2022


On 9/12/2022 1:21 AM, Pankaj Raghav wrote:
> A generic bdev_zone_no() helper is added to calculate zone number for a
> given sector in a block device. This helper internally uses disk_zone_no()
> to find the zone number.
> 
> Use the helper bdev_zone_no() to calculate nr of zones. This let's us
> make modifications to the math if needed in one place and adds now
> support for zoned devices with non po2 zone size.
> 
> Reviewed by: Adam Manzanares <a.manzanares at samsung.com>
> Reviewed-by: Bart Van Assche <bvanassche at acm.org>
> Reviewed-by: Hannes Reinecke <hare at suse.de>
> Reviewed-by: Johannes Thumshirn <johannes.thumshirn at wdc.com>
> Signed-off-by: Luis Chamberlain <mcgrof at kernel.org>
> Signed-off-by: Pankaj Raghav <p.raghav at samsung.com>


Reviewed-by: Chaitanya Kulkarni <kch at nvidia.com>

-ck




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