Compute manager calls quota_reserve which does a direct db call

[Hans Lindgren]

Commit 6e8737c3aa52889394e843272f3a7e5a3a5935c1 added a quota_reserve call to compute manager that in turn hits the db directly.

The proposed change to use quota objects at https://review.openstack.org/#/c/39988/ would have solved this, but since the quota object itself did not make the feature freeze, this should be solved the old way using a conductor proxy call.

[OpenStack Infra (hudson-openstack)]

Fix proposed to branch: master
Review: https://review.openstack.org/47020

[OpenStack Infra (hudson-openstack)]

Reviewed: https://review.openstack.org/39988
Committed: http://github.com/openstack/nova/commit/b80ad60669e88455da18bee2e1b532418639a9c2
Submitter: Jenkins
Branch: master

commit b80ad60669e88455da18bee2e1b532418639a9c2
Author: Chris Behrens <email address hidden>
Date: Fri Aug 2 19:13:32 2013 +0000

    Fix quota direct DB access in compute

    This fixes the quota direct DB access in compute by using the new Quota
    object.

    Related to blueprint unified-object-model

    Change-Id: Ib6ed6cc3b3f3f49cca1e89c0fb6e501201febd24
    Closes-Bug: 1226759