Commit 117e2ce8 authored by Arnd Bergmann's avatar Arnd Bergmann Committed by Greg Kroah-Hartman
Browse files

staging/lustre: remove unused time handling functions



A bunch of API functions deal with time values but are now
completely unused in lustre. This removes them in order to
remove all references to time_t from the header files.

Signed-off-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarOleg Drokin <green@linuxhacker.ru>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 922da0c5
Loading
Loading
Loading
Loading
+0 −49
Original line number Diff line number Diff line
@@ -68,55 +68,6 @@ static inline unsigned long cfs_time_shift(int seconds)
	return cfs_time_add(cfs_time_current(), cfs_time_seconds(seconds));
}

static inline long cfs_timeval_sub(struct timeval *large, struct timeval *small,
				   struct timeval *result)
{
	long r = (long)(
		(large->tv_sec - small->tv_sec) * ONE_MILLION +
		(large->tv_usec - small->tv_usec));
	if (result != NULL) {
		result->tv_usec = r % ONE_MILLION;
		result->tv_sec = r / ONE_MILLION;
	}
	return r;
}

static inline void cfs_slow_warning(unsigned long now, int seconds, char *msg)
{
	if (cfs_time_after(cfs_time_current(),
			   cfs_time_add(now, cfs_time_seconds(15))))
		CERROR("slow %s "CFS_TIME_T" sec\n", msg,
		       cfs_duration_sec(cfs_time_sub(cfs_time_current(), now)));
}

#define CFS_RATELIMIT(seconds)				  \
({							      \
	/*						      \
	 * XXX nikita: non-portable initializer		 \
	 */						     \
	static time_t __next_message;		       \
	int result;					     \
								\
	if (cfs_time_after(cfs_time_current(), __next_message)) \
		result = 1;				     \
	else {						  \
		__next_message = cfs_time_shift(seconds);       \
		result = 0;				     \
	}						       \
	result;						 \
})

/*
 * helper function similar to do_gettimeofday() of Linux kernel
 */
static inline void cfs_fs_timeval(struct timeval *tv)
{
	struct timespec time;

	cfs_fs_time_current(&time);
	cfs_fs_time_usec(&time, tv);
}

/*
 * return valid time-out based on user supplied one. Currently we only check
 * that time-out is not shorted than allowed.
+0 −17
Original line number Diff line number Diff line
@@ -59,13 +59,6 @@

#include <linux/jiffies.h>


static inline void cfs_fs_time_usec(struct timespec *t, struct timeval *v)
{
	v->tv_sec  = t->tv_sec;
	v->tv_usec = t->tv_nsec / 1000;
}

/*
 * Generic kernel stuff
 */
@@ -75,16 +68,6 @@ static inline unsigned long cfs_time_current(void)
	return jiffies;
}

static inline void cfs_fs_time_current(struct timespec *t)
{
	*t = CURRENT_TIME;
}

static inline time_t cfs_fs_time_sec(struct timespec *t)
{
	return t->tv_sec;
}

static inline long cfs_time_seconds(int seconds)
{
	return ((long)seconds) * HZ;