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Subject[tip:timers/core] delayacct: Use ktime_get_ts()
Commit-ID:  b5d7682533941edb121f7495bdb2a17abac03ff3
Gitweb: http://git.kernel.org/tip/b5d7682533941edb121f7495bdb2a17abac03ff3
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Wed, 11 Jun 2014 23:59:13 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Thu, 12 Jun 2014 16:18:45 +0200

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>
---
kernel/delayacct.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)

diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index 54996b7..de699f4 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -46,16 +46,6 @@ void __delayacct_tsk_init(struct task_struct *tsk)
}

/*
- * 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)

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