X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fktime.h;h=dae7143644fe8b87c18aa1fb57e175d6f61865c2;hb=7616ee95f27a04fd5a6434e9ef4a82cec4b2807c;hp=81bb9c7a4eb3fec22b97ea1c2c1cd17e5baffd23;hpb=b928ed56182b8ea59bd43f2d5b865f13a54d5719;p=linux-2.6

diff --git a/include/linux/ktime.h b/include/linux/ktime.h
index 81bb9c7a4e..dae7143644 100644
--- a/include/linux/ktime.h
+++ b/include/linux/ktime.h
@@ -43,7 +43,7 @@
  * plain scalar nanosecond based representation can be selected by the
  * config switch CONFIG_KTIME_SCALAR.
  */
-typedef union {
+union ktime {
 	s64	tv64;
 #if BITS_PER_LONG != 64 && !defined(CONFIG_KTIME_SCALAR)
 	struct {
@@ -54,7 +54,9 @@ typedef union {
 # endif
 	} tv;
 #endif
-} ktime_t;
+};
+
+typedef union ktime ktime_t;		/* Kill this */
 
 #define KTIME_MAX			((s64)~((u64)1 << 63))
 #if (BITS_PER_LONG == 64)
@@ -259,12 +261,34 @@ static inline s64 ktime_to_ns(const ktime_t kt)
 
 #endif
 
+/**
+ * ktime_equal - Compares two ktime_t variables to see if they are equal
+ * @cmp1:	comparable1
+ * @cmp2:	comparable2
+ *
+ * Compare two ktime_t variables, returns 1 if equal
+ */
+static inline int ktime_equal(const ktime_t cmp1, const ktime_t cmp2)
+{
+	return cmp1.tv64 == cmp2.tv64;
+}
+
 static inline s64 ktime_to_us(const ktime_t kt)
 {
 	struct timeval tv = ktime_to_timeval(kt);
 	return (s64) tv.tv_sec * USEC_PER_SEC + tv.tv_usec;
 }
 
+static inline s64 ktime_us_delta(const ktime_t later, const ktime_t earlier)
+{
+       return ktime_to_us(ktime_sub(later, earlier));
+}
+
+static inline ktime_t ktime_add_us(const ktime_t kt, const u64 usec)
+{
+	return ktime_add_ns(kt, usec * 1000);
+}
+
 /*
  * The resolution of the clocks. The resolution value is returned in
  * the clock_getres() system call to give application programmers an