I would like to make cleaner kthread worker API and hide the definition of struct kthread_worker. It will prevent any custom hacks and make the API more secure. This patch provides an API to check if the worker has been created and hides the implementation details. Signed-off-by: Petr Mladek <pmladek@xxxxxxxx> --- include/linux/kthread.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/kthread.h b/include/linux/kthread.h index 24d72bac27db..02d3cc9ad923 100644 --- a/include/linux/kthread.h +++ b/include/linux/kthread.h @@ -122,6 +122,11 @@ extern void __init_kthread_worker(struct kthread_worker *worker, (work)->func = (fn); \ } while (0) +static inline bool kthread_worker_created(struct kthread_worker *worker) +{ + return (worker && worker->task); +} + int kthread_worker_fn(void *worker_ptr); __printf(3, 4) -- 1.8.5.6 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx"> email@xxxxxxxxx </a>