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staging/lustre: remove unused time handling functions

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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: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Arnd Bergmann 2015-09-27 16:45:34 -04:00 committed by Greg Kroah-Hartman
parent 922da0c58e
commit 117e2ce8cf
2 changed files with 0 additions and 66 deletions
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49
drivers/staging/lustre/include/linux/libcfs/libcfs_time.h
View File

@ -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.

17
drivers/staging/lustre/include/linux/libcfs/linux/linux-time.h
View File

@ -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;