[PATCH 2/3] unify queue_delayed_work() and queue_delayed_work_on()

[Oleg Nesterov]

Change queue_delayed_work() to use queue_delayed_work_on() to avoid the code
duplication (saves 133 bytes).

Q: queue_delayed_work() enqueues &dwork->work directly when delay == 0, why?

Signed-off-by: Oleg Nesterov <[EMAIL PROTECTED]>

--- 6.20-rc6-mm3/kernel/workqueue.c~2_factor    2007-02-10 18:23:34.000000000 
+0300
+++ 6.20-rc6-mm3/kernel/workqueue.c     2007-02-10 19:07:41.000000000 +0300
@@ -180,28 +180,11 @@ void delayed_work_timer_fn(unsigned long
 int fastcall queue_delayed_work(struct workqueue_struct *wq,
                        struct delayed_work *dwork, unsigned long delay)
 {
-       int ret = 0;
-       struct timer_list *timer = &dwork->timer;
-       struct work_struct *work = &dwork->work;
-
-       timer_stats_timer_set_start_info(timer);
+       timer_stats_timer_set_start_info(&dwork->timer);
        if (delay == 0)
-               return queue_work(wq, work);
-
-       if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) {
-               BUG_ON(timer_pending(timer));
-               BUG_ON(!list_empty(&work->entry));
+               return queue_work(wq, &dwork->work);
 
-               /* This stores cwq for the moment, for the timer_fn */
-               set_wq_data(work,
-                       per_cpu_ptr(wq->cpu_wq, raw_smp_processor_id()));
-               timer->expires = jiffies + delay;
-               timer->data = (unsigned long)dwork;
-               timer->function = delayed_work_timer_fn;
-               add_timer(timer);
-               ret = 1;
-       }
-       return ret;
+       return queue_delayed_work_on(-1, wq, dwork, delay);
 }
 EXPORT_SYMBOL_GPL(queue_delayed_work);
 
@@ -231,7 +214,11 @@ int queue_delayed_work_on(int cpu, struc
                timer->expires = jiffies + delay;
                timer->data = (unsigned long)dwork;
                timer->function = delayed_work_timer_fn;
-               add_timer_on(timer, cpu);
+
+               if (unlikely(cpu >= 0))
+                       add_timer_on(timer, cpu);
+               else
+                       add_timer(timer);
                ret = 1;
        }
        return ret;

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [EMAIL PROTECTED]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/