[dm-devel] [PATCH 2/7] block: add a new helper bdev_{is_zone_start, offset_from_zone_start}

Bart Van Assche bvanassche at acm.org
Fri Jan 6 22:36:54 UTC 2023


On 1/6/23 00:33, Pankaj Raghav wrote:
> +static inline sector_t bdev_offset_from_zone_start(struct block_device *bdev,
> +						   sector_t sec)
> +{
> +	if (!bdev_is_zoned(bdev))
> +		return 0;
> +
> +	return sec & (bdev_zone_sectors(bdev) - 1);
> +}
> +
> +static inline bool bdev_is_zone_start(struct block_device *bdev, sector_t sec)
> +{
> +	if (!bdev_is_zoned(bdev))
> +		return false;
> +
> +	return bdev_offset_from_zone_start(bdev, sec) == 0;
> +}

A nit: 'sector_t sector' is much more common in the block layer than 
'sector_t sec'. Please consider changing 'sec' into 'sector'.

Thanks,

Bart.



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