workqueue: remove unused cancel_work()

Found this by accident.
There are no usages of bare cancel_work() in current kernel source.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Tejun Heo <tj@kernel.org>

diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index bc0cda180c8b701a154182b5dbc6a7f5b9da840a..0c3301421c57746c086996e67401a167c82fe98c 100644 (file)
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -456,7 +456,6 @@ extern int schedule_on_each_cpu(work_func_t func);
 int execute_in_process_context(work_func_t fn, struct execute_work *);
 
 extern bool flush_work(struct work_struct *work);
-extern bool cancel_work(struct work_struct *work);
 extern bool cancel_work_sync(struct work_struct *work);
 
 extern bool flush_delayed_work(struct delayed_work *dwork);

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index ccd1080dd6e7108a9521a0d2ea6d1a9a52c6431c..6ec6ba65127b46e52bbfa611092a1140a8180728 100644 (file)
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -3018,14 +3018,6 @@ static bool __cancel_work(struct work_struct *work, bool is_dwork)
        return ret;
 }
 
-/*
- * See cancel_delayed_work()
- */
-bool cancel_work(struct work_struct *work)
-{
-       return __cancel_work(work, false);
-}
-
 /**
  * cancel_delayed_work - cancel a delayed work
  * @dwork: delayed_work to cancel