kthread: better support freezable kthread workers

[cascardo/linux.git] / include / linux / kthread.h

diff --git a/include/linux/kthread.h b/include/linux/kthread.h
index 5c2ec2c..4f5235c 100644 (file)
--- a/include/linux/kthread.h
+++ b/include/linux/kthread.h
@@ -65,7 +65,12 @@ struct kthread_work;
 typedef void (*kthread_work_func_t)(struct kthread_work *work);
 void kthread_delayed_work_timer_fn(unsigned long __data);
 
+enum {
+       KTW_FREEZABLE           = 1 << 0,       /* freeze during suspend */
+};
+
 struct kthread_worker {
+       unsigned int            flags;
        spinlock_t              lock;
        struct list_head        work_list;
        struct list_head        delayed_work_list;
@@ -154,12 +159,13 @@ extern void __kthread_init_worker(struct kthread_worker *worker,
 
 int kthread_worker_fn(void *worker_ptr);
 
-__printf(1, 2)
+__printf(2, 3)
 struct kthread_worker *
-kthread_create_worker(const char namefmt[], ...);
+kthread_create_worker(unsigned int flags, const char namefmt[], ...);
 
 struct kthread_worker *
-kthread_create_worker_on_cpu(int cpu, const char namefmt[], ...);
+kthread_create_worker_on_cpu(int cpu, unsigned int flags,
+                            const char namefmt[], ...);
 
 bool kthread_queue_work(struct kthread_worker *worker,
                        struct kthread_work *work);