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30 * libcfs/include/libcfs/linux/linux-time.h
32 * Implementation of portable time API for Linux (kernel and user-level).
34 * Author: Nikita Danilov <nikita@clusterfs.com>
37 #ifndef __LIBCFS_LINUX_LINUX_TIME_H__
38 #define __LIBCFS_LINUX_LINUX_TIME_H__
40 #ifndef __LIBCFS_LIBCFS_H__
41 #error Do not #include this file directly. #include <linux/libcfs/libcfs.h> instead
44 #define ONE_BILLION ((u_int64_t)1000000000)
45 #define ONE_MILLION 1000000
47 #include <linux/module.h>
48 #include <linux/kernel.h>
49 #include <linux/time.h>
50 #include <asm/div64.h>
56 #include <linux/jiffies.h>
59 * Generic kernel stuff
62 static inline unsigned long cfs_time_current(void)
67 static inline long cfs_time_seconds(int seconds)
69 return ((long)seconds) * msecs_to_jiffies(MSEC_PER_SEC);
72 static inline long cfs_duration_sec(long d)
74 return d / msecs_to_jiffies(MSEC_PER_SEC);
77 #define cfs_time_current_64 get_jiffies_64
79 static inline __u64 cfs_time_add_64(__u64 t, __u64 d)
84 static inline __u64 cfs_time_shift_64(int seconds)
86 return cfs_time_add_64(cfs_time_current_64(),
87 cfs_time_seconds(seconds));
90 static inline int cfs_time_before_64(__u64 t1, __u64 t2)
92 return (__s64)t2 - (__s64)t1 > 0;
95 static inline int cfs_time_beforeq_64(__u64 t1, __u64 t2)
97 return (__s64)t2 - (__s64)t1 >= 0;
105 #define CFS_DURATION_T "%ld"
107 #endif /* __LIBCFS_LINUX_LINUX_TIME_H__ */