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authorRoman Zippel <zippel@linux-m68k.org>2006-03-26 01:38:12 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-26 08:57:03 -0800
commit05cfb614ddbf3181540ce09d44d96486f8ba8d6a (patch)
treeaafed98638557a4643141d906fbb2406f0764a94 /kernel/posix-timers.c
parentdf869b630d9d9131c10cf073fb61646048874b2f (diff)
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[PATCH] hrtimers: remove data field
The nanosleep cleanup allows to remove the data field of hrtimer. The callback function can use container_of() to get it's own data. Since the hrtimer structure is anyway embedded in other structures, this adds no overhead. Signed-off-by: Roman Zippel <zippel@linux-m68k.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'kernel/posix-timers.c')
-rw-r--r--kernel/posix-timers.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 7c5f44787c8c..ac6dc8744429 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -145,7 +145,7 @@ static int common_timer_set(struct k_itimer *, int,
struct itimerspec *, struct itimerspec *);
static int common_timer_del(struct k_itimer *timer);
-static int posix_timer_fn(void *data);
+static int posix_timer_fn(struct hrtimer *data);
static struct k_itimer *lock_timer(timer_t timer_id, unsigned long *flags);
@@ -334,14 +334,14 @@ EXPORT_SYMBOL_GPL(posix_timer_event);
* This code is for CLOCK_REALTIME* and CLOCK_MONOTONIC* timers.
*/
-static int posix_timer_fn(void *data)
+static int posix_timer_fn(struct hrtimer *timer)
{
- struct k_itimer *timr = data;
- struct hrtimer *timer = &timr->it.real.timer;
+ struct k_itimer *timr;
unsigned long flags;
int si_private = 0;
int ret = HRTIMER_NORESTART;
+ timr = container_of(timer, struct k_itimer, it.real.timer);
spin_lock_irqsave(&timr->it_lock, flags);
if (timr->it.real.interval.tv64 != 0)
@@ -725,7 +725,6 @@ common_timer_set(struct k_itimer *timr, int flags,
mode = flags & TIMER_ABSTIME ? HRTIMER_ABS : HRTIMER_REL;
hrtimer_init(&timr->it.real.timer, timr->it_clock, mode);
- timr->it.real.timer.data = timr;
timr->it.real.timer.function = posix_timer_fn;
timer->expires = timespec_to_ktime(new_setting->it_value);