Change BLKDEV_IOSIZE down to 2KB like on all other platforms; ok kettenis@
Change BLKDEV_IOSIZE down to 2KB like on all other platforms; ok kettenis@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars