+static void io_workqueue_fn(struct submit_worker *sw,
+ struct workqueue_work *work)
+{
+ struct io_u *io_u = container_of(work, struct io_u, work);
+ const enum fio_ddir ddir = io_u->ddir;
+ struct thread_data *td = sw->private;
+ int ret;
+
+ dprint(FD_RATE, "io_u %p queued by %u\n", io_u, gettid());
+
+ io_u_set(io_u, IO_U_F_NO_FILE_PUT);
+
+ td->cur_depth++;
+
+ do {
+ ret = td_io_queue(td, io_u);
+ if (ret != FIO_Q_BUSY)
+ break;
+ ret = io_u_queued_complete(td, 1);
+ if (ret > 0)
+ td->cur_depth -= ret;
+ io_u_clear(io_u, IO_U_F_FLIGHT);
+ } while (1);
+
+ dprint(FD_RATE, "io_u %p ret %d by %u\n", io_u, ret, gettid());
+
+ io_queue_event(td, io_u, &ret, ddir, NULL, 0, NULL);
+
+ if (ret == FIO_Q_COMPLETED)
+ td->cur_depth--;
+ else if (ret == FIO_Q_QUEUED) {
+ unsigned int min_evts;
+
+ if (td->o.iodepth == 1)
+ min_evts = 1;
+ else
+ min_evts = 0;
+
+ ret = io_u_queued_complete(td, min_evts);
+ if (ret > 0)
+ td->cur_depth -= ret;
+ } else if (ret == FIO_Q_BUSY) {
+ ret = io_u_queued_complete(td, td->cur_depth);
+ if (ret > 0)
+ td->cur_depth -= ret;
+ }
+}
+
+static bool io_workqueue_pre_sleep_flush_fn(struct submit_worker *sw)
+{
+ struct thread_data *td = sw->private;
+
+ if (td->io_u_queued || td->cur_depth || td->io_u_in_flight)
+ return true;
+
+ return false;
+}
+
+static void io_workqueue_pre_sleep_fn(struct submit_worker *sw)
+{
+ struct thread_data *td = sw->private;
+ int ret;
+
+ ret = io_u_quiesce(td);
+ if (ret > 0)
+ td->cur_depth -= ret;
+}
+
+static int io_workqueue_alloc_fn(struct submit_worker *sw)
+{
+ struct thread_data *td;
+
+ td = calloc(1, sizeof(*td));
+ sw->private = td;
+ return 0;
+}
+
+static void io_workqueue_free_fn(struct submit_worker *sw)
+{
+ free(sw->private);
+ sw->private = NULL;
+}
+
+struct workqueue_ops rated_wq_ops = {
+ .fn = io_workqueue_fn,
+ .pre_sleep_flush_fn = io_workqueue_pre_sleep_flush_fn,
+ .pre_sleep_fn = io_workqueue_pre_sleep_fn,
+ .alloc_worker_fn = io_workqueue_alloc_fn,
+ .free_worker_fn = io_workqueue_free_fn,
+};
+