LU-4423 ptlrpc: use 64-bit times for request times

[fs/lustre-release.git] / libcfs / include / libcfs / linux / linux-time.h

diff --git a/libcfs/include/libcfs/linux/linux-time.h b/libcfs/include/libcfs/linux/linux-time.h
index 706b79c..2dd750f 100644 (file)
--- a/libcfs/include/libcfs/linux/linux-time.h
+++ b/libcfs/include/libcfs/linux/linux-time.h
@@ -97,7 +97,6 @@
 
 typedef unsigned long cfs_time_t;      /* jiffies */
 typedef long cfs_duration_t;
-typedef cycles_t cfs_cycles_t;
 
 #ifndef HAVE_TIMESPEC64
 
@@ -112,6 +111,11 @@ static inline struct timespec64 timespec_to_timespec64(const struct timespec ts)
        return ts;
 }
 
+static inline struct timespec timespec64_to_timespec(const struct timespec64 ts)
+{
+       return ts;
+}
+
 #else
 struct timespec64 {
        time64_t        tv_sec;         /* seconds */
@@ -126,10 +130,30 @@ static inline struct timespec64 timespec_to_timespec64(const struct timespec ts)
        ret.tv_nsec = ts.tv_nsec;
        return ret;
 }
+
+static inline struct timespec timespec64_to_timespec(const struct timespec64 ts64)
+{
+       struct timespec ret;
+
+       ret.tv_sec = (time_t)ts64.tv_sec;
+       ret.tv_nsec = ts64.tv_nsec;
+       return ret;
+}
 #endif /* __BITS_PER_LONG != 64 */
 
 #endif /* HAVE_TIMESPEC64 */
 
+#ifndef HAVE_KTIME_ADD
+# define ktime_add(lhs, rhs) ({ (ktime_t){ .tv64 = (lhs).tv64 + (rhs).tv64 }; })
+#endif /* !HAVE_KTIME_ADD */
+
+#ifndef HAVE_KTIME_AFTER
+static inline bool ktime_after(const ktime_t cmp1, const ktime_t cmp2)
+{
+       return cmp1.tv64 > cmp2.tv64;
+}
+#endif /* !HAVE_KTIME_AFTER */
+
 #ifndef HAVE_KTIME_GET_TS64
 void ktime_get_ts64(struct timespec64 *ts);
 #endif /* HAVE_KTIME_GET_TS */
@@ -146,6 +170,41 @@ time64_t ktime_get_real_seconds(void);
 time64_t ktime_get_seconds(void);
 #endif /* HAVE_KTIME_GET_SECONDS */
 
+#ifdef NEED_KTIME_GET_REAL_NS
+static inline u64 ktime_get_real_ns(void)
+{
+       return ktime_to_ns(ktime_get_real());
+}
+#endif /* NEED_KTIME_GET_REAL_NS */
+
+#ifndef HAVE_KTIME_TO_TIMESPEC64
+static inline struct timespec64 ktime_to_timespec64(ktime_t kt)
+{
+       struct timespec ts = ns_to_timespec((kt).tv64);
+
+       return timespec_to_timespec64(ts);
+}
+#endif /* HAVE_KTIME_TO_TIMESPEC64 */
+
+#ifndef HAVE_TIMESPEC64_SUB
+static inline struct timespec64
+timespec64_sub(struct timespec64 later, struct timespec64 earlier)
+{
+       struct timespec diff;
+
+       diff = timespec_sub(timespec64_to_timespec(later),
+                           timespec64_to_timespec(earlier));
+       return timespec_to_timespec64(diff);
+}
+#endif
+
+#ifndef HAVE_TIMESPEC64_TO_KTIME
+static inline ktime_t timespec64_to_ktime(struct timespec64 ts)
+{
+       return ktime_set(ts.tv_sec, ts.tv_nsec);
+}
+#endif
+
 static inline int cfs_time_before(cfs_time_t t1, cfs_time_t t2)
 {
         return time_before(t1, t2);