/* Result passed back to kthread_create() from keventd. */
struct task_struct *result;
struct completion done;
+
+ struct work_struct work;
};
struct kthread_stop_info
}
/* We are keventd: create a thread. */
-static void keventd_create_kthread(void *_create)
+static void keventd_create_kthread(struct work_struct *work)
{
- struct kthread_create_info *create = _create;
+ struct kthread_create_info *create =
+ container_of(work, struct kthread_create_info, work);
int pid;
/* We want our own signal handler (we take no signals by default). */
...)
{
struct kthread_create_info create;
- DECLARE_WORK(work, keventd_create_kthread, &create);
create.threadfn = threadfn;
create.data = data;
init_completion(&create.started);
init_completion(&create.done);
+ INIT_WORK(&create.work, keventd_create_kthread);
/*
* The workqueue needs to start up first:
*/
if (!helper_wq)
- work.func(work.data);
+ create.work.func(&create.work);
else {
- queue_work(helper_wq, &work);
+ queue_work(helper_wq, &create.work);
wait_for_completion(&create.done);
}
if (!IS_ERR(create.result)) {
* was never called.
*/
int kthread_stop(struct task_struct *k)
-{
- return kthread_stop_sem(k, NULL);
-}
-EXPORT_SYMBOL(kthread_stop);
-
-/**
- * kthread_stop_sem - stop a thread created by kthread_create().
- * @k: thread created by kthread_create().
- * @s: semaphore that @k waits on while idle.
- *
- * Does essentially the same thing as kthread_stop() above, but wakes
- * @k by calling up(@s).
- *
- * Returns the result of threadfn(), or %-EINTR if wake_up_process()
- * was never called.
- */
-int kthread_stop_sem(struct task_struct *k, struct semaphore *s)
{
int ret;
/* Now set kthread_should_stop() to true, and wake it up. */
kthread_stop_info.k = k;
- if (s)
- up(s);
- else
- wake_up_process(k);
+ wake_up_process(k);
put_task_struct(k);
/* Once it dies, reset stop ptr, gather result and we're done. */
return ret;
}
-EXPORT_SYMBOL(kthread_stop_sem);
+EXPORT_SYMBOL(kthread_stop);
static __init int helper_init(void)
{