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Subject[PATCH] ktime: provide typesafe ktime_to_ns()
Date
Using ktime_to_ns() is nice to help backports to stable kernels.

Having a typesafe function instead of a macro avoid stupid typos
and waste of time tracking these typos.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Willem de Bruijn <willemb@google.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
---
include/linux/ktime.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 5b9fddbaac4166b11121f75a3f3b4db7af1aac4c..b2bb44f87f5a3edb6ee6f179c83fcde42a363fe5 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -93,8 +93,11 @@ static inline ktime_t timeval_to_ktime(struct timeval tv)
/* Map the ktime_t to timeval conversion to ns_to_timeval function */
#define ktime_to_timeval(kt) ns_to_timeval((kt))

-/* Convert ktime_t to nanoseconds - NOP in the scalar storage format: */
-#define ktime_to_ns(kt) (kt)
+/* Convert ktime_t to nanoseconds */
+static inline s64 ktime_to_ns(const ktime_t kt)
+{
+ return kt;
+}

/**
* ktime_compare - Compares two ktime_t variables for less, greater or equal
--
2.18.0.203.gfac676dfb9-goog
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