From c47efbc7fda5eaed9b60b3767347d9f88553309b Mon Sep 17 00:00:00 2001
From: James H <james@kagisoft.co.uk>
Date: Sat, 13 Jul 2013 21:25:04 +0100
Subject: [PATCH] Modify gethrestime to use current_kernel_time()

This allows us to get nanosecond resolution. It also means
we use the same time source as utimensat(now) etc.

Signed-off-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #255
---
 module/spl/spl-time.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/module/spl/spl-time.c b/module/spl/spl-time.c
index 8f43b54cd4..20fd0e3e7e 100644
--- a/module/spl/spl-time.c
+++ b/module/spl/spl-time.c
@@ -40,11 +40,10 @@ extern unsigned long long monotonic_clock(void);
 void
 __gethrestime(timestruc_t *ts)
 {
-        struct timeval tv;
+	struct timespec tspec = current_kernel_time();
 
-	do_gettimeofday(&tv);
-	ts->tv_sec = tv.tv_sec;
-	ts->tv_nsec = tv.tv_usec * NSEC_PER_USEC;
+	ts->tv_sec = tspec.tv_sec;
+	ts->tv_nsec = tspec.tv_nsec;
 }
 EXPORT_SYMBOL(__gethrestime);