> diff --git a/block/blk-zoned.c b/block/blk-zoned.c
> index 4bc5f260248a..293891b7068a 100644
> --- a/block/blk-zoned.c
> +++ b/block/blk-zoned.c
> @@ -441,6 +441,57 @@ void blk_queue_free_zone_bitmaps(struct request_queue *q)
> q->seq_zones_wlock = NULL;
> }
>
> +/**
> + * blk_check_zone - Check a zone information
> + * @q: request queue
> + * @zone: the zone to check
> + * @sector: start sector of the zone
> + *
> + * Helper function to check zones of a zoned block device. Returns true if
> the
> + * zone is correct and false if a problem is detected.
> + */
> +static bool blk_check_zone(struct gendisk *disk, struct blk_zone *zone,
> + sector_t *sector)
Maybe call this blk_zone_valid? Also in many places we don't really
do the verbose kerneldoc comments with the duplicated parameter names
for local functions, as the scripts only pick up non-stack ones anyway.
> + /*
> + * All zones must have the same size, with the exception on an eventual
> + * smaller last zone.
> + */
> + if (zone->start + zone_sectors < capacity &&
> + zone->len != zone_sectors) {
> + pr_warn("%s: Invalid zone device with non constant zone size\n",
> + disk->disk_name);
> + return false;
> + }
I think we should also move the power of two zone size check here
instead of leaving it in the driver.
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