vdo_int_map_remove
lock_holder = vdo_int_map_remove(zone->loading_pages, lock->key);
vdo_int_map_remove(cache->page_map, info->pbn);
lock_holder = vdo_int_map_remove(lock_map, lock->lbn);
removed = vdo_int_map_remove(zone->hash_lock_map, lock_key);
void *vdo_int_map_remove(struct int_map *map, u64 key);
vdo_int_map_remove(bio_queue_data->map,
vdo_int_map_remove(bio_queue_data->map,
vdo_int_map_remove(bio_map, prev_vio->bios_merged.tail->bi_iter.bi_sector);
vdo_int_map_remove(bio_map, next_vio->bios_merged.head->bi_iter.bi_sector);
holder = vdo_int_map_remove(zone->pbn_operations, locked_pbn);