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34 * libcfs/include/libcfs/libcfs_time.h
40 #ifndef __LIBCFS_TIME_H__
41 #define __LIBCFS_TIME_H__
43 * generic time manipulation functions.
46 static inline unsigned long cfs_time_add(unsigned long t, long d)
48 return (unsigned long)(t + d);
51 static inline unsigned long cfs_time_sub(unsigned long t1, unsigned long t2)
53 return (unsigned long)(t1 - t2);
56 static inline int cfs_time_after(unsigned long t1, unsigned long t2)
58 return time_before(t2, t1);
61 static inline int cfs_time_aftereq(unsigned long t1, unsigned long t2)
63 return time_before_eq(t2, t1);
66 static inline unsigned long cfs_time_shift(int seconds)
68 return cfs_time_add(cfs_time_current(), cfs_time_seconds(seconds));
72 * return valid time-out based on user supplied one. Currently we only check
73 * that time-out is not shorted than allowed.
75 static inline long cfs_timeout_cap(long timeout)
77 if (timeout < CFS_TICK)