Re: [PATCH v11 13/13] dm: add power-of-2 target for zoned devices with non power-of-2 zone sizes

From: Damien Le Moal
Date: Wed Aug 17 2022 - 12:11:05 EST


On 2022/08/17 0:35, Pankaj Raghav wrote:
> Hi Damien,
>>> + */
>>> +static bool bio_in_emulated_zone_area(struct dm_po2z_target *dmh,
>>> + struct bio *bio, int *offset)
>>
>> This function name reads like it is a block layer helper. It mat be less
>> confucing to keep using the dm_po2z_ prefix for it.
>>
> Good point. Even though it is a static function in the same file, it could
> be confused for a block helper at the caller site.
>>> +{
>>> + /*
>>> + * Read operation on the emulated zone area (between zone capacity
>>> + * and zone size) will fill the bio with zeroes. Any other operation
>
>>> +
>>> + return DM_MAPIO_KILL;
>>> +}
>>
> Do you see any more issues apart from the two you pointed out?

nope

--
Damien Le Moal
Western Digital Research