drivers/edac/wq.c

   1 #include "edac_module.h"
   2
   3 static struct workqueue_struct *wq;
   4
   5 bool edac_queue_work(struct delayed_work *work, unsigned long delay)
   6 {
   7         return queue_delayed_work(wq, work, delay);
   8 }
   9 EXPORT_SYMBOL_GPL(edac_queue_work);
  10
  11 bool edac_mod_work(struct delayed_work *work, unsigned long delay)
  12 {
  13         return mod_delayed_work(wq, work, delay);
  14 }
  15 EXPORT_SYMBOL_GPL(edac_mod_work);
  16
  17 bool edac_stop_work(struct delayed_work *work)
  18 {
  19         bool ret;
  20
  21         ret = cancel_delayed_work_sync(work);
  22         flush_workqueue(wq);
  23
  24         return ret;
  25 }
  26 EXPORT_SYMBOL_GPL(edac_stop_work);
  27
  28 int edac_workqueue_setup(void)
  29 {
  30         wq = alloc_ordered_workqueue("edac-poller", WQ_MEM_RECLAIM);
  31         if (!wq)
  32                 return -ENODEV;
  33         else
  34                 return 0;
  35 }
  36
  37 void edac_workqueue_teardown(void)
  38 {
  39         flush_workqueue(wq);
  40         destroy_workqueue(wq);
  41         wq = NULL;
  42 }