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unify queue_delayed_work() and queue_delayed_work_on() 

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?

[jirislaby@gmail.com: oops fix]
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov 2007-05-09 02:34:16 -07:00 committed by Linus Torvalds
parent ed7c0feede
commit 63bc036252
1 changed files with 10 additions and 22 deletions
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32
kernel/workqueue.c
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@ -180,28 +180,11 @@ void delayed_work_timer_fn(unsigned long __data)
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);
return queue_work(wq, &dwork->work);
if (!test_and_set_bit(WORK_STRUCT_PENDING, work_data_bits(work))) {
BUG_ON(timer_pending(timer));
BUG_ON(!list_empty(&work->entry));
/* 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);
@ -227,11 +210,16 @@ int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
/* This stores cwq for the moment, for the timer_fn */
set_wq_data(work,
per_cpu_ptr(wq->cpu_wq, raw_smp_processor_id()));
per_cpu_ptr(wq->cpu_wq, wq->singlethread ?
singlethread_cpu : raw_smp_processor_id()));
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;