Replace the ever recurring:
        ts = ktime_get_ts();
        ns = timespec_to_ns(&ts);
with
        ns = ktime_get_ns();
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Trond Myklebust <trond.myklebust@primarydata.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
 static void nsm_init_private(struct nsm_handle *nsm)
 {
        u64 *p = (u64 *)&nsm->sm_priv.data;
-       struct timespec ts;
        s64 ns;
 
-       ktime_get_ts(&ts);
-       ns = timespec_to_ns(&ts);
+       ns = ktime_get_ns();
        put_unaligned(ns, p);
        put_unaligned((unsigned long)nsm, p + 1);
 }