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LU-12931 libcfs: skip cfs_time_seconds() indirection
[fs/lustre-release.git] / libcfs / include / libcfs / linux / linux-time.h
index b5be95e..454f37e 100644 (file)
@@ -98,6 +98,26 @@ static inline struct timespec timespec64_to_timespec(const struct timespec64 ts6
 
 #endif /* HAVE_TIMESPEC64 */
 
+#ifndef HAVE_NS_TO_TIMESPEC64
+static inline struct timespec64 ns_to_timespec64(const s64 nsec)
+{
+       struct timespec64 ts;
+       s32 rem;
+
+       if (!nsec)
+               return (struct timespec64) {0, 0};
+
+       ts.tv_sec = div_s64_rem(nsec, NSEC_PER_SEC, &rem);
+       if (unlikely(rem < 0)) {
+               ts.tv_sec--;
+               rem += NSEC_PER_SEC;
+       }
+       ts.tv_nsec = rem;
+
+       return ts;
+}
+#endif
+
 #ifndef HAVE_KTIME_ADD
 # define ktime_add(lhs, rhs) ({ (ktime_t){ .tv64 = (lhs).tv64 + (rhs).tv64 }; })
 #endif /* !HAVE_KTIME_ADD */
@@ -194,25 +214,37 @@ static inline ktime_t timespec64_to_ktime(struct timespec64 ts)
 
 static inline unsigned long cfs_time_seconds(time64_t seconds)
 {
-       return nsecs_to_jiffies(seconds * NSEC_PER_SEC);
+       return nsecs_to_jiffies64(seconds * NSEC_PER_SEC);
 }
 
+#ifdef HAVE_NEW_DEFINE_TIMER
+# ifndef TIMER_DATA_TYPE
+# define TIMER_DATA_TYPE struct timer_list *
+# endif
+
+#define CFS_DEFINE_TIMER(_name, _function, _expires, _data) \
+       DEFINE_TIMER((_name), (_function))
+#else
+# ifndef TIMER_DATA_TYPE
+# define TIMER_DATA_TYPE unsigned long
+# endif
+
+#define CFS_DEFINE_TIMER(_name, _function, _expires, _data) \
+       DEFINE_TIMER((_name), (_function), (_expires), (_data))
+#endif
+
 #ifdef HAVE_TIMER_SETUP
 #define cfs_timer_cb_arg_t struct timer_list *
 #define cfs_from_timer(var, callback_timer, timer_fieldname) \
        from_timer(var, callback_timer, timer_fieldname)
 #define cfs_timer_setup(timer, callback, data, flags) \
        timer_setup((timer), (callback), (flags))
-#define CFS_DEFINE_TIMER(_name, _function, _expires, _data) \
-       DEFINE_TIMER((_name), (_function))
 #define cfs_timer_cb_arg(var, timer_fieldname) (&(var)->timer_fieldname)
 #else
 #define cfs_timer_cb_arg_t unsigned long
 #define cfs_from_timer(var, data, timer_fieldname) (typeof(var))(data)
 #define cfs_timer_setup(timer, callback, data, flags) \
        setup_timer((timer), (callback), (data))
-#define CFS_DEFINE_TIMER(_name, _function, _expires, _data) \
-       DEFINE_TIMER((_name), (_function), (_expires), (_data))
 #define cfs_timer_cb_arg(var, timer_fieldname) (cfs_timer_cb_arg_t)(var)
 #endif