linux-kernel - Re: [PATCH 01/16] block: make blkdev_nr_zones and blk_queue_zone

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Date:   Wed, 4 May 2022 09:52:36 -0700
From:   Hannes Reinecke <hare@...e.de>
To:     undisclosed-recipients:;
Subject: Re: [PATCH 01/16] block: make blkdev_nr_zones and blk_queue_zone_no
 generic for npo2 zsze

On 4/27/22 09:02, Pankaj Raghav wrote:
> Adapt blkdev_nr_zones and blk_queue_zone_no function so that it can
> also work for non-power-of-2 zone sizes.
> 
> As the existing deployments of zoned devices had power-of-2
> assumption, power-of-2 optimized calculation is kept for those devices.
> 
> There are no direct hot paths modified and the changes just
> introduce one new branch per call.
> 
> Reviewed-by: Luis Chamberlain <mcgrof@...nel.org>
> Signed-off-by: Pankaj Raghav <p.raghav@...sung.com>
> ---
>   block/blk-zoned.c      | 8 +++++++-
>   include/linux/blkdev.h | 8 +++++++-
>   2 files changed, 14 insertions(+), 2 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare@...e.de>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke                Kernel Storage Architect
hare@...e.de                              +49 911 74053 688
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