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Commit 7a6bc1cd authored by Venkatesh Pallipadi's avatar Venkatesh Pallipadi Committed by Dave Jones
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[CPUFREQ] Add queue_delayed_work_on() interface for workqueues. 



Add queue_delayed_work_on() interface for workqueues.

Signed-off-by: default avatarAlexey Starikovskiy <alexey.y.starikovskiy@intel.com>
Signed-off-by: default avatarVenkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: default avatarDave Jones <davej@redhat.com>
parent ccb2fe20

include/linux/workqueue.h

+2 −0
Original line number Diff line number Diff line
@@ -63,6 +63,8 @@ extern void destroy_workqueue(struct workqueue_struct *wq); 


extern int FASTCALL(queue_work(struct workqueue_struct *wq, struct work_struct *work));

extern int FASTCALL(queue_delayed_work(struct workqueue_struct *wq, struct work_struct *work, unsigned long delay));

extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,

	struct work_struct *work, unsigned long delay);

extern void FASTCALL(flush_workqueue(struct workqueue_struct *wq));



extern int FASTCALL(schedule_work(struct work_struct *work));

kernel/workqueue.c

+23 −15
Original line number Diff line number Diff line
@@ -148,6 +148,27 @@ int fastcall queue_delayed_work(struct workqueue_struct *wq, 
	return ret;

}



int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,

			struct work_struct *work, unsigned long delay)

{

	int ret = 0;

	struct timer_list *timer = &work->timer;



	if (!test_and_set_bit(0, &work->pending)) {

		BUG_ON(timer_pending(timer));

		BUG_ON(!list_empty(&work->entry));



		/* This stores wq for the moment, for the timer_fn */

		work->wq_data = wq;

		timer->expires = jiffies + delay;

		timer->data = (unsigned long)work;

		timer->function = delayed_work_timer_fn;

		add_timer_on(timer, cpu);

		ret = 1;

	}

	return ret;

}



static void run_workqueue(struct cpu_workqueue_struct *cwq)

{

	unsigned long flags;
@@ -411,21 +432,7 @@ int fastcall schedule_delayed_work(struct work_struct *work, unsigned long delay 
int schedule_delayed_work_on(int cpu,

			struct work_struct *work, unsigned long delay)

{

	int ret = 0;

	struct timer_list *timer = &work->timer;



	if (!test_and_set_bit(0, &work->pending)) {

		BUG_ON(timer_pending(timer));

		BUG_ON(!list_empty(&work->entry));

		/* This stores keventd_wq for the moment, for the timer_fn */

		work->wq_data = keventd_wq;

		timer->expires = jiffies + delay;

		timer->data = (unsigned long)work;

		timer->function = delayed_work_timer_fn;

		add_timer_on(timer, cpu);

		ret = 1;

	}

	return ret;

	return queue_delayed_work_on(cpu, keventd_wq, work, delay);

}



/**
@@ -622,6 +629,7 @@ void init_workqueues(void) 
EXPORT_SYMBOL_GPL(__create_workqueue);

EXPORT_SYMBOL_GPL(queue_work);

EXPORT_SYMBOL_GPL(queue_delayed_work);

EXPORT_SYMBOL_GPL(queue_delayed_work_on);

EXPORT_SYMBOL_GPL(flush_workqueue);

EXPORT_SYMBOL_GPL(destroy_workqueue);