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authorOleg Nesterov <oleg@tv-sign.ru>2007-05-09 11:34:16 +0200
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-09 21:30:52 +0200
commit63bc0362521cbaae3ed17b8de7b094f9492453f0 (patch)
tree2a1bee6651fe00b76828cf75742bbff221188990 /kernel/workqueue.c
parentmake queue_delayed_work() friendly to flush_fork() (diff)
downloadlinux-63bc0362521cbaae3ed17b8de7b094f9492453f0.tar.xz
linux-63bc0362521cbaae3ed17b8de7b094f9492453f0.zip
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>
Diffstat (limited to '')
-rw-r--r--kernel/workqueue.c32
1 files changed, 10 insertions, 22 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index d107e1c3b071..0eb9b33f1d91 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -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);
-
- 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);
@@ -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;