staging/lustre: use 64-bit computation in s2dhms()

The s2dhms computes the day/hour/minute/second values from a time_t,
which stops working in 2038. This changes the code to take a time64_t
argument, and use div_u64_rem() to implement the first division.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/include/lprocfs_status.h

@@ -359,10 +359,12 @@ struct obd_histogram;
 struct dhms {
 	int d, h, m, s;
 };
-static inline void s2dhms(struct dhms *ts, time_t secs)
+
+static inline void s2dhms(struct dhms *ts, time64_t secs64)
 {
-	ts->d = secs / 86400;
-	secs = secs % 86400;
+	unsigned int secs;
+
+	ts->d = div_u64_rem(secs64, 86400, &secs);
 	ts->h = secs / 3600;
 	secs = secs % 3600;
 	ts->m = secs / 60;