nvmet-rdma: replace ida_simple[get|remove] with the simler ida_[alloc|free]

ida_simple_[get|remove] are wrappers anyways.
Signed-off-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Keith Busch <kbusch@kernel.org>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/target/rdma.c

@@ -1356,7 +1356,7 @@ static void nvmet_rdma_free_queue(struct nvmet_rdma_queue *queue)
 				!queue->host_qid);
 	}
 	nvmet_rdma_free_rsps(queue);
-	ida_simple_remove(&nvmet_rdma_queue_ida, queue->idx);
+	ida_free(&nvmet_rdma_queue_ida, queue->idx);
 	kfree(queue);
 }
 
@@ -1459,7 +1459,7 @@ nvmet_rdma_alloc_queue(struct nvmet_rdma_device *ndev,
 	spin_lock_init(&queue->rsps_lock);
 	INIT_LIST_HEAD(&queue->queue_list);
 
-	queue->idx = ida_simple_get(&nvmet_rdma_queue_ida, 0, 0, GFP_KERNEL);
+	queue->idx = ida_alloc(&nvmet_rdma_queue_ida, GFP_KERNEL);
 	if (queue->idx < 0) {
 		ret = NVME_RDMA_CM_NO_RSC;
 		goto out_destroy_sq;
@@ -1510,7 +1510,7 @@ nvmet_rdma_alloc_queue(struct nvmet_rdma_device *ndev,
 out_free_responses:
 	nvmet_rdma_free_rsps(queue);
 out_ida_remove:
-	ida_simple_remove(&nvmet_rdma_queue_ida, queue->idx);
+	ida_free(&nvmet_rdma_queue_ida, queue->idx);
 out_destroy_sq:
 	nvmet_sq_destroy(&queue->nvme_sq);
 out_free_queue: