c46edbc7d6
The quota engine was still using oslo_db wrap_db_retry which does not automatically take into account deadlocks that occur inside of nested savepoint transactions. In one case it didn't matter because it passed in the correct exception checker but in the one that protected 'set_quota_usage' it did not use is_retriable so a deadlock inside of the savepoint would have resulted in a much more expensive retry all of the way up at the API layer. This patch just adjusts them to both use the standard neutron retry_db_errors decorator. Change-Id: I1e45eb15f14bf35881e5b1dce77733e831e9c6b1 Related-Bug: #1596075
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http://docs.openstack.org/api/openstack-network/2.0/content/
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