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

[Hannes Reinecke]

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 at kernel.org>
> Signed-off-by: Pankaj Raghav <p.raghav at samsung.com>
> ---
>   include/linux/blkdev.h | 31 +++++++++++++++++++++++++++++++
>   1 file changed, 31 insertions(+)
> 
Reviewed-by: Hannes Reinecke <hare at suse.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare at suse.de                              +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Felix Imendörffer