delayacct: Use ktime_get_ts()

do_posix_clock_monotonic_gettime() is a leftover from the initial
posix timer implementation which maps to ktime_get_ts(). Remove the
silly wrapper while at it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140611234606.931409215@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index 54996b71e66d82817cc16ed1963c1490c7dd4db4..de699f42f9bc2a2b437f7ebe8e50f21317ac9837 100644 (file)
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -45,16 +45,6 @@ void __delayacct_tsk_init(struct task_struct *tsk)
                spin_lock_init(&tsk->delays->lock);
 }
 
-/*
- * Start accounting for a delay statistic using
- * its starting timestamp (@start)
- */
-
-static inline void delayacct_start(struct timespec *start)
-{
-       do_posix_clock_monotonic_gettime(start);
-}
-
 /*
  * Finish delay accounting for a statistic using
  * its timestamps (@start, @end), accumalator (@total) and @count
@@ -67,7 +57,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end,
        s64 ns;
        unsigned long flags;
 
-       do_posix_clock_monotonic_gettime(end);
+       ktime_get_ts(end);
        ts = timespec_sub(*end, *start);
        ns = timespec_to_ns(&ts);
        if (ns < 0)
@@ -81,7 +71,7 @@ static void delayacct_end(struct timespec *start, struct timespec *end,
 
 void __delayacct_blkio_start(void)
 {
-       delayacct_start(&current->delays->blkio_start);
+       ktime_get_ts(&current->delays->blkio_start);
 }
 
 void __delayacct_blkio_end(void)
@@ -169,7 +159,7 @@ __u64 __delayacct_blkio_ticks(struct task_struct *tsk)
 
 void __delayacct_freepages_start(void)
 {
-       delayacct_start(&current->delays->freepages_start);
+       ktime_get_ts(&current->delays->freepages_start);
 }
 
 void __delayacct_freepages_end(void)