Re: [PATCH v5 6/7] null_blk: use zone_size_sects_shift for power of 2 zoned devices

From: Luis Chamberlain
Date: Mon May 23 2022 - 14:34:57 EST


On Mon, May 23, 2022 at 06:16:00PM +0200, Pankaj Raghav wrote:
> Instead of doing is_power_of_2 and ilog2 operation for every IO, cache
> the zone_size_sects_shift variable and use it for power of 2 zoned
> devices.
>
> This variable will be set to zero for non power of 2 zoned devices.
>
> Suggested-by: Damien Le Moal <damien.lemoal@xxxxxxx>
> Signed-off-by: Pankaj Raghav <p.raghav@xxxxxxxxxxx>

Reviewed-by: Luis Chamberlain <mcgrof@xxxxxxxxxx>

Luis