hammer_is_zone_raw_buffer
assert(hammer_is_zone_raw_buffer(result_offset));
assert(hammer_is_zone_raw_buffer(raw_limit));
assert(hammer_is_zone_raw_buffer(zone_limit));
if (!hammer_is_zone_raw_buffer(offset)) {
assert(hammer_is_zone_raw_buffer(volume->vol_free_off));
assert(hammer_is_zone_raw_buffer(volume->vol_free_end));
if (hammer_is_zone_raw_buffer(buf_offset))
assert(hammer_is_zone_raw_buffer(zone2_offset));
KKASSERT(hammer_is_zone_raw_buffer(resv->zone_offset));
KKASSERT(hammer_is_zone_raw_buffer(zone2_offset));
KKASSERT(hammer_is_zone_raw_buffer(zone2_offset));
KKASSERT(hammer_is_zone_raw_buffer(zone2_offset));