[PATCH] re-export cancel_rearming_delayed_workqueue

[James Bottomley <James.Bottomley@SteelEye.com>]

This was unexported by Arjan because we have no current users.

However, during a conversion from tasklets to workqueues of the parisc
led functions, we ran across a case where this was needed.  In
particular, the open coded equivalent of
cancel_rearming_delayed_workqueue was implemented incorrectly, which is,
I think, all the evidence necessary that this is a useful API.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

===== include/linux/workqueue.h 1.10 vs edited =====
--- 1.10/include/linux/workqueue.h	2005-02-15 15:56:55 -06:00
+++ edited/include/linux/workqueue.h	2005-04-05 11:13:50 -05:00
@@ -71,6 +71,8 @@
 
 extern void init_workqueues(void);
 void cancel_rearming_delayed_work(struct work_struct *work);
+void cancel_rearming_delayed_workqueue(struct workqueue_struct *,
+				       struct work_struct *);
 
 /*
  * Kill off a pending schedule_delayed_work().  Note that the work callback
===== kernel/workqueue.c 1.33 vs edited =====
--- 1.33/kernel/workqueue.c	2005-02-22 21:23:08 -06:00
+++ edited/kernel/workqueue.c	2005-04-05 11:13:52 -05:00
@@ -429,12 +429,13 @@
  * @wq:   the controlling workqueue structure
  * @work: the delayed work struct
  */
-static void cancel_rearming_delayed_workqueue(struct workqueue_struct *wq,
-					struct work_struct *work)
+void cancel_rearming_delayed_workqueue(struct workqueue_struct *wq,
+				       struct work_struct *work)
 {
 	while (!cancel_delayed_work(work))
 		flush_workqueue(wq);
 }
+EXPORT_SYMBOL(cancel_rearming_delayed_workqueue);
 
 /**
  * cancel_rearming_delayed_work - reliably kill off a delayed keventd


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