block: disable sysfs parts of the disk command filter
[safe/jmp/linux-2.6] / include / linux / hrtimer.h
index 31a4d65..6d93dce 100644 (file)
@@ -316,6 +316,15 @@ static inline int hrtimer_is_queued(struct hrtimer *timer)
                (HRTIMER_STATE_ENQUEUED | HRTIMER_STATE_PENDING);
 }
 
+/*
+ * Helper function to check, whether the timer is running the callback
+ * function
+ */
+static inline int hrtimer_callback_running(struct hrtimer *timer)
+{
+       return timer->state & HRTIMER_STATE_CALLBACK;
+}
+
 /* Forward a hrtimer so it expires after now: */
 extern u64
 hrtimer_forward(struct hrtimer *timer, ktime_t now, ktime_t interval);