libata: switch to using block layer tagging support

[linux-2.6-omap-h63xx.git] / include / linux / jiffies.h

diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index e0b5b684d83f2969816f051acb2e1158da2fe06d..abb6ac639e8e19740c8bbd30148db72a1028d031 100644 (file)
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -1,7 +1,7 @@
 #ifndef _LINUX_JIFFIES_H
 #define _LINUX_JIFFIES_H
 
-#include <linux/calc64.h>
+#include <linux/math64.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/time.h>
@@ -36,7 +36,7 @@
 #elif HZ >= 6144 && HZ < 12288
 # define SHIFT_HZ      13
 #else
-# error You lose.
+# error Invalid value of HZ.
 #endif
 
 /* LATCH is used in the interval timer and ftape setup. */
@@ -134,6 +134,22 @@ static inline u64 get_jiffies_64(void)
         ((__s64)(a) - (__s64)(b) >= 0))
 #define time_before_eq64(a,b)  time_after_eq64(b,a)
 
+/*
+ * These four macros compare jiffies and 'a' for convenience.
+ */
+
+/* time_is_before_jiffies(a) return true if a is before jiffies */
+#define time_is_before_jiffies(a) time_after(jiffies, a)
+
+/* time_is_after_jiffies(a) return true if a is after jiffies */
+#define time_is_after_jiffies(a) time_before(jiffies, a)
+
+/* time_is_before_eq_jiffies(a) return true if a is before or equal to jiffies*/
+#define time_is_before_eq_jiffies(a) time_after_eq(jiffies, a)
+
+/* time_is_after_eq_jiffies(a) return true if a is after or equal to jiffies*/
+#define time_is_after_eq_jiffies(a) time_before_eq(jiffies, a)
+
 /*
  * Have the 32 bit jiffies value wrap 5 minutes after boot
  * so jiffies wrap bugs show up earlier.