LOCK_POOL_CAPACITY
result = vdo_allocate(LOCK_POOL_CAPACITY, struct hash_lock, "hash_lock array",
for (i = 0; i < LOCK_POOL_CAPACITY; i++)
for (i = 0; i < LOCK_POOL_CAPACITY; i++)
result = make_pbn_lock_pool(LOCK_POOL_CAPACITY, &zone->lock_pool);