time: Introduce timespec64_to_jiffies()/jiffies_to_timespec64()
The conversion between struct timespec and jiffies is not year 2038
safe on 32bit systems. Introduce timespec64_to_jiffies() and
jiffies_to_timespec64() functions which use struct timespec64 to
make it ready for 2038 issue.
Cc: Prarit Bhargava <prarit@redhat.com>
Cc: Richard Cochran <richardcochran@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index 535fd3b..bf96d9f 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -416,9 +416,25 @@
}
}
-extern unsigned long timespec_to_jiffies(const struct timespec *value);
-extern void jiffies_to_timespec(const unsigned long jiffies,
- struct timespec *value);
+extern unsigned long timespec64_to_jiffies(const struct timespec64 *value);
+extern void jiffies_to_timespec64(const unsigned long jiffies,
+ struct timespec64 *value);
+static inline unsigned long timespec_to_jiffies(const struct timespec *value)
+{
+ struct timespec64 ts = timespec_to_timespec64(*value);
+
+ return timespec64_to_jiffies(&ts);
+}
+
+static inline void jiffies_to_timespec(const unsigned long jiffies,
+ struct timespec *value)
+{
+ struct timespec64 ts;
+
+ jiffies_to_timespec64(jiffies, &ts);
+ *value = timespec64_to_timespec(ts);
+}
+
extern unsigned long timeval_to_jiffies(const struct timeval *value);
extern void jiffies_to_timeval(const unsigned long jiffies,
struct timeval *value);