def get_by_project_and_user(self, context, project_id, user_id, resource):

        return db.quota_get(context, project_id, resource, user_id=user_id)
Compute the used DRBD minor/nodes.
dataset/ETHPy150Open openstack/nova/nova/quota.py/DbQuotaDriver.get_by_project_and_user--crossover with--dataset/ETHPy150Open ganeti/ganeti/lib/config/__init__.py/ConfigWriter.ComputeDRBDMap