time: Add ktime_get_tai_ns()

Because it was the only clock for which we didn't have a _ns()
accessor yet.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>

diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index f36b1ed..5047b83 100644 (file)
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -214,6 +214,11 @@ static inline u64 ktime_get_boot_ns(void)
        return ktime_to_ns(ktime_get_boottime());
 }
 
+static inline u64 ktime_get_tai_ns(void)
+{
+       return ktime_to_ns(ktime_get_clocktai());
+}
+
 static inline u64 ktime_get_raw_ns(void)
 {
        return ktime_to_ns(ktime_get_raw());