1 files changed, 17 insertions, 1 deletions
diff --git a/include/linux/task_work.h b/include/linux/task_work.h
index bd9a6a91c097..795ef5a68429 100644
--- a/include/linux/task_work.h
+++ b/include/linux/task_work.h
@@ -13,7 +13,23 @@ init_task_work(struct callback_head *twork, task_work_func_t func)
 	twork->func = func;
 }
 
-int task_work_add(struct task_struct *task, struct callback_head *twork, bool);
+enum task_work_notify_mode {
+	TWA_NONE,
+	TWA_RESUME,
+	TWA_SIGNAL,
+	TWA_SIGNAL_NO_IPI,
+};
+
+static inline bool task_work_pending(struct task_struct *task)
+{
+	return READ_ONCE(task->task_works);
+}
+
+int task_work_add(struct task_struct *task, struct callback_head *twork,
+			enum task_work_notify_mode mode);
+
+struct callback_head *task_work_cancel_match(struct task_struct *task,
+	bool (*match)(struct callback_head *, void *data), void *data);
 struct callback_head *task_work_cancel(struct task_struct *, task_work_func_t);
 void task_work_run(void);