[patch 5/7] timekeeping: Move common updates to a function

[Thomas Gleixner]

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
 kernel/time/timekeeping.c |   33 ++++++++++++++-------------------
 1 file changed, 14 insertions(+), 19 deletions(-)

Index: linux-2.6-tip/kernel/time/timekeeping.c
===================================================================
--- linux-2.6-tip.orig/kernel/time/timekeeping.c
+++ linux-2.6-tip/kernel/time/timekeeping.c
@@ -170,14 +170,23 @@ static struct timespec raw_time;
 /* flag for if timekeeping is suspended */
 int __read_mostly timekeeping_suspended;
 
+static void timekeeping_update(bool clearntp)
+{
+	if (clearntp) {
+		timekeeper.ntp_error = 0;
+		ntp_clear();
+	}
+	update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
+			timekeeper.mult);
+}
+
 /* must hold xtime_lock */
 void timekeeping_leap_insert(int leapsecond)
 {
 	write_seqcount_begin(&xtime_seq);
 	xtime.tv_sec += leapsecond;
 	wall_to_monotonic.tv_sec -= leapsecond;
-	update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
-			timekeeper.mult);
+	timekeeping_update(false);
 	write_seqcount_end(&xtime_seq);
 }
 
@@ -375,12 +384,7 @@ int do_settimeofday(const struct timespe
 
 	xtime = *tv;
 
-	timekeeper.ntp_error = 0;
-	ntp_clear();
-
-	update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
-				timekeeper.mult);
-
+	timekeeping_update(true);
 	write_seqcount_end(&xtime_seq);
 	raw_spin_unlock_irqrestore(&xtime_lock, flags);
 
@@ -414,12 +418,7 @@ int timekeeping_inject_offset(struct tim
 	xtime = timespec_add(xtime, *ts);
 	wall_to_monotonic = timespec_sub(wall_to_monotonic, *ts);
 
-	timekeeper.ntp_error = 0;
-	ntp_clear();
-
-	update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
-				timekeeper.mult);
-
+	timekeeping_update(true);
 	write_seqcount_end(&xtime_seq);
 	raw_spin_unlock_irqrestore(&xtime_lock, flags);
 
@@ -651,11 +650,7 @@ void timekeeping_inject_sleeptime(struct
 
 	__timekeeping_inject_sleeptime(delta);
 
-	timekeeper.ntp_error = 0;
-	ntp_clear();
-	update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
-				timekeeper.mult);
-
+	timekeeping_update(true);
 	write_seqcount_end(&xtime_seq);
 	raw_spin_unlock_irqrestore(&xtime_lock, flags);
 


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