Re: [PATCH 02/16] block: add blk_queue_zone_aligned and bdev_zone_aligned helper

Hannes Reinecke
2022-05-04T17:07:49Z

On 4/27/22 09:02, Pankaj Raghav wrote:
> Checking if a given sector is aligned to a zone is a very common
> operation that is performed for zoned devices. Add
> blk_queue_zone_aligned helper to check for this instead of opencoding it
> everywhere.
>
> The helper is made to be generic so that it can also check for alignment
> for non non-power-of-2 zone size devices.
>
> As the existing deployments of zoned devices had power-of-2
> assumption, power-of-2 optimized calculation is done for devices with
> power-of-2 zone size
>
> Reviewed-by: Luis Chamberlain <mcgrof@kernel.org>
> Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
> ---
> include/linux/blkdev.h | 31 +++++++++++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
>
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
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