get_zone_for_record
const struct volume_sub_index_zone *volume_index_zone = get_zone_for_record(record);
const struct volume_sub_index_zone *volume_index_zone = get_zone_for_record(record);
volume_index_zone = get_zone_for_record(record);
u64 low = get_zone_for_record(record)->virtual_chapter_low;
u64 high = get_zone_for_record(record)->virtual_chapter_high;
u64 low = get_zone_for_record(record)->virtual_chapter_low;
u64 high = get_zone_for_record(record)->virtual_chapter_high;