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-rw-r--r--kernel/workqueue.c59
1 files changed, 33 insertions, 26 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 59f0b42bd89e..eebb1d839235 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -51,7 +51,7 @@ struct cpu_workqueue_struct {
wait_queue_head_t work_done;
struct workqueue_struct *wq;
- task_t *thread;
+ struct task_struct *thread;
int run_depth; /* Detect run_workqueue() recursion depth */
} ____cacheline_aligned;
@@ -114,6 +114,7 @@ int fastcall queue_work(struct workqueue_struct *wq, struct work_struct *work)
put_cpu();
return ret;
}
+EXPORT_SYMBOL_GPL(queue_work);
static void delayed_work_timer_fn(unsigned long __data)
{
@@ -147,6 +148,29 @@ int fastcall queue_delayed_work(struct workqueue_struct *wq,
}
return ret;
}
+EXPORT_SYMBOL_GPL(queue_delayed_work);
+
+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;
+}
+EXPORT_SYMBOL_GPL(queue_delayed_work_on);
static void run_workqueue(struct cpu_workqueue_struct *cwq)
{
@@ -281,6 +305,7 @@ void fastcall flush_workqueue(struct workqueue_struct *wq)
unlock_cpu_hotplug();
}
}
+EXPORT_SYMBOL_GPL(flush_workqueue);
static struct task_struct *create_workqueue_thread(struct workqueue_struct *wq,
int cpu)
@@ -358,6 +383,7 @@ struct workqueue_struct *__create_workqueue(const char *name,
}
return wq;
}
+EXPORT_SYMBOL_GPL(__create_workqueue);
static void cleanup_workqueue_thread(struct workqueue_struct *wq, int cpu)
{
@@ -395,6 +421,7 @@ void destroy_workqueue(struct workqueue_struct *wq)
free_percpu(wq->cpu_wq);
kfree(wq);
}
+EXPORT_SYMBOL_GPL(destroy_workqueue);
static struct workqueue_struct *keventd_wq;
@@ -402,31 +429,20 @@ int fastcall schedule_work(struct work_struct *work)
{
return queue_work(keventd_wq, work);
}
+EXPORT_SYMBOL(schedule_work);
int fastcall schedule_delayed_work(struct work_struct *work, unsigned long delay)
{
return queue_delayed_work(keventd_wq, work, delay);
}
+EXPORT_SYMBOL(schedule_delayed_work);
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);
}
+EXPORT_SYMBOL(schedule_delayed_work_on);
/**
* schedule_on_each_cpu - call a function on each online CPU from keventd
@@ -463,6 +479,7 @@ void flush_scheduled_work(void)
{
flush_workqueue(keventd_wq);
}
+EXPORT_SYMBOL(flush_scheduled_work);
/**
* cancel_rearming_delayed_workqueue - reliably kill off a delayed
@@ -619,13 +636,3 @@ void init_workqueues(void)
BUG_ON(!keventd_wq);
}
-EXPORT_SYMBOL_GPL(__create_workqueue);
-EXPORT_SYMBOL_GPL(queue_work);
-EXPORT_SYMBOL_GPL(queue_delayed_work);
-EXPORT_SYMBOL_GPL(flush_workqueue);
-EXPORT_SYMBOL_GPL(destroy_workqueue);
-
-EXPORT_SYMBOL(schedule_work);
-EXPORT_SYMBOL(schedule_delayed_work);
-EXPORT_SYMBOL(schedule_delayed_work_on);
-EXPORT_SYMBOL(flush_scheduled_work);
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