>> ---
>> drivers/md/dm-zone.c | 12 ++++++++++++
>> 1 file changed, 12 insertions(+)
>>
>> diff --git a/drivers/md/dm-zone.c b/drivers/md/dm-zone.c
>> index 3e7b1fe15..27dc4ddf2 100644
>> --- a/drivers/md/dm-zone.c
>> +++ b/drivers/md/dm-zone.c
>> @@ -231,6 +231,18 @@ static int dm_revalidate_zones(struct mapped_device *md, struct dm_table *t)
>> struct request_queue *q = md->queue;
>> unsigned int noio_flag;
>> int ret;
>> + struct block_device *bdev = md->disk->part0;
>> + sector_t zone_sectors;
>> + char bname[BDEVNAME_SIZE];
>> +
>> + zone_sectors = bdev_zone_sectors(bdev);
>> +
>> + if (!is_power_of_2(zone_sectors)) {
>> + DMWARN("%s: %s only power of two zone size supported\n",
>> + dm_device_name(md),
>> + bdevname(bdev, bname));
>> + return 1;
>
> return -EINVAL;
>
> The error propagates to dm_table_set_restrictions() so a proper error code must
> be returned.
>
Good point. I will add this in the next rev.
