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[PATCH] IB/sa_query: avoid unnecessary list scan
Using ib_get_client_data in SA event handler performs a list scan. It's better to use container_of to get the sa device directly. Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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1 changed files with 2 additions and 2 deletions
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@ -431,8 +431,8 @@ static void ib_sa_event(struct ib_event_handler *handler, struct ib_event *event
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event->event == IB_EVENT_LID_CHANGE ||
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event->event == IB_EVENT_PKEY_CHANGE ||
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event->event == IB_EVENT_SM_CHANGE) {
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struct ib_sa_device *sa_dev =
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ib_get_client_data(event->device, &sa_client);
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struct ib_sa_device *sa_dev;
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sa_dev = container_of(handler, typeof(*sa_dev), event_handler);
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schedule_work(&sa_dev->port[event->element.port_num -
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sa_dev->start_port].update_task);
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