__IXGBEVF_SERVICE_SCHED
BUG_ON(!test_bit(__IXGBEVF_SERVICE_SCHED, &adapter->state));
clear_bit(__IXGBEVF_SERVICE_SCHED, &adapter->state);
clear_bit(__IXGBEVF_SERVICE_SCHED, &adapter->state);
!test_and_set_bit(__IXGBEVF_SERVICE_SCHED, &adapter->state))