+static int nvme_tcp_map_queues(struct blk_mq_tag_set *set)
+{
+ struct nvme_tcp_ctrl *ctrl = set->driver_data;
+
+ set->map[HCTX_TYPE_DEFAULT].queue_offset = 0;
+ set->map[HCTX_TYPE_READ].nr_queues = ctrl->ctrl.opts->nr_io_queues;
+ if (ctrl->ctrl.opts->nr_write_queues) {
+ /* separate read/write queues */
+ set->map[HCTX_TYPE_DEFAULT].nr_queues =
+ ctrl->ctrl.opts->nr_write_queues;
+ set->map[HCTX_TYPE_READ].queue_offset =
+ ctrl->ctrl.opts->nr_write_queues;
+ } else {
+ /* mixed read/write queues */
+ set->map[HCTX_TYPE_DEFAULT].nr_queues =
+ ctrl->ctrl.opts->nr_io_queues;
+ set->map[HCTX_TYPE_READ].queue_offset = 0;
+ }
+ blk_mq_map_queues(&set->map[HCTX_TYPE_DEFAULT]);
+ blk_mq_map_queues(&set->map[HCTX_TYPE_READ]);
+ return 0;
+}
+