workqueue: add nice support

[fio.git] / workqueue.h

diff --git a/workqueue.h b/workqueue.h
index b48f9db0b1f3151734f06276fe562ef07ac42e73..f732b3089d0a47dac49bcaf35e266be70fa9dfa5 100644 (file)
--- a/workqueue.h
+++ b/workqueue.h
@@ -24,13 +24,24 @@ typedef bool (workqueue_pre_sleep_flush_fn)(struct submit_worker *);
 typedef void (workqueue_pre_sleep_fn)(struct submit_worker *);
 typedef int (workqueue_alloc_worker_fn)(struct submit_worker *);
 typedef void (workqueue_free_worker_fn)(struct submit_worker *);
+typedef int (workqueue_init_worker_fn)(struct submit_worker *);
+typedef void (workqueue_exit_worker_fn)(struct submit_worker *, unsigned int *);
+typedef void (workqueue_update_acct_fn)(struct submit_worker *);
 
 struct workqueue_ops {
        workqueue_work_fn *fn;
        workqueue_pre_sleep_flush_fn *pre_sleep_flush_fn;
        workqueue_pre_sleep_fn *pre_sleep_fn;
+
+       workqueue_update_acct_fn *update_acct_fn;
+
        workqueue_alloc_worker_fn *alloc_worker_fn;
        workqueue_free_worker_fn *free_worker_fn;
+
+       workqueue_init_worker_fn *init_worker_fn;
+       workqueue_exit_worker_fn *exit_worker_fn;
+
+       unsigned int nice;
 };
 
 struct workqueue {
@@ -73,4 +84,28 @@ static inline void workqueue_pre_sleep(struct submit_worker *sw)
                wq->ops.pre_sleep_fn(sw);
 }
 
+static inline int workqueue_init_worker(struct submit_worker *sw)
+{
+       struct workqueue *wq = sw->wq;
+
+       if (!wq->ops.init_worker_fn)
+               return 0;
+
+       return wq->ops.init_worker_fn(sw);
+}
+
+static inline void workqueue_exit_worker(struct submit_worker *sw,
+                                        unsigned int *sum_cnt)
+{
+       struct workqueue *wq = sw->wq;
+       unsigned int tmp = 1;
+
+       if (!wq->ops.exit_worker_fn)
+               return;
+
+       if (!sum_cnt)
+               sum_cnt = &tmp;
+
+       wq->ops.exit_worker_fn(sw, sum_cnt);
+}
 #endif