48 	struct elevator_type *et = icq->q->elevator->type;  in ioc_exit_icq()
76 	struct request_queue *q = icq->q;  in ioc_destroy_icq()  local
77 	struct elevator_type *et = q->elevator->type;  in ioc_destroy_icq()
80 	lockdep_assert_held(&q->queue_lock);  in ioc_destroy_icq()
85 	radix_tree_delete(&ioc->icq_tree, icq->q->id);  in ioc_destroy_icq()
121 		struct request_queue *q = icq->q;  in ioc_release_fn()  local
123 		if (spin_trylock(&q->queue_lock)) {  in ioc_release_fn()
125 			spin_unlock(&q->queue_lock);  in ioc_release_fn()
132 			spin_lock(&q->queue_lock);  in ioc_release_fn()
137 			spin_unlock(&q->queue_lock);  in ioc_release_fn()
171 void ioc_clear_queue(struct request_queue *q)  in ioc_clear_queue()  argument
173 	spin_lock_irq(&q->queue_lock);  in ioc_clear_queue()
174 	while (!list_empty(&q->icq_list)) {  in ioc_clear_queue()
176 			list_first_entry(&q->icq_list, struct io_cq, q_node);  in ioc_clear_queue()
186 	spin_unlock_irq(&q->queue_lock);  in ioc_clear_queue()
324 struct io_cq *ioc_lookup_icq(struct request_queue *q)  in ioc_lookup_icq()  argument
329 	lockdep_assert_held(&q->queue_lock);  in ioc_lookup_icq()
339 	if (icq && icq->q == q)  in ioc_lookup_icq()
342 	icq = radix_tree_lookup(&ioc->icq_tree, q->id);  in ioc_lookup_icq()
343 	if (icq && icq->q == q)  in ioc_lookup_icq()
363 static struct io_cq *ioc_create_icq(struct request_queue *q)  in ioc_create_icq()  argument
366 	struct elevator_type *et = q->elevator->type;  in ioc_create_icq()
371 				    q->node);  in ioc_create_icq()
381 	icq->q = q;  in ioc_create_icq()
386 	spin_lock_irq(&q->queue_lock);  in ioc_create_icq()
389 	if (likely(!radix_tree_insert(&ioc->icq_tree, q->id, icq))) {  in ioc_create_icq()
391 		list_add(&icq->q_node, &q->icq_list);  in ioc_create_icq()
396 		icq = ioc_lookup_icq(q);  in ioc_create_icq()
402 	spin_unlock_irq(&q->queue_lock);  in ioc_create_icq()
407 struct io_cq *ioc_find_get_icq(struct request_queue *q)  in ioc_find_get_icq()  argument
413 		ioc = alloc_io_context(GFP_ATOMIC, q->node);  in ioc_find_get_icq()
430 		spin_lock_irq(&q->queue_lock);  in ioc_find_get_icq()
431 		icq = ioc_lookup_icq(q);  in ioc_find_get_icq()
432 		spin_unlock_irq(&q->queue_lock);  in ioc_find_get_icq()
436 		icq = ioc_create_icq(q);  in ioc_find_get_icq()