From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Fri, 14 May 2010 16:31:22 +0000 (-0700)
Subject: Use do_posix_clock_monotonic_gettime() as described by comment.
X-Git-Tag: spl-0.4.9~15
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=6020190e8f5a94bee7e65a787a1b784cb0f4c4d0;p=spl

Use do_posix_clock_monotonic_gettime() as described by comment.

While this does incur slightly more overhead we should be using
do_posix_clock_monotonic_gettime() for gethrtime() as described
by the existing comment.
---

diff --git a/module/spl/spl-time.c b/module/spl/spl-time.c
index 2973ae8..6806dcf 100644
--- a/module/spl/spl-time.c
+++ b/module/spl/spl-time.c
@@ -60,9 +60,10 @@ __gethrtime(void) {
         /* Deal with signed/unsigned mismatch */
         return (hrtime_t)(res & ~(1ULL << 63));
 #else
-        uint64_t j = get_jiffies_64();
+        struct timespec ts;
 
-        return (hrtime_t)(j * (NSEC_PER_SEC / HZ));
+        do_posix_clock_monotonic_gettime(&ts);
+        return (hrtime_t)((ts.tv_sec * NSEC_PER_SEC) + ts.tv_nsec);
 #endif
 }
 EXPORT_SYMBOL(__gethrtime);