From: Dave Young <hidave.darkstar@gmail.com>
Date: Fri, 18 Apr 2008 20:38:57 +0000 (-0700)
Subject: jiffies: add time_is_after_jiffies and others which compare with jiffies
X-Git-Tag: v2.6.26-rc1~1129^2~3
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=3f34d024c12e49fbce4009d094ae1d287084e511;p=linux-2.6-omap-h63xx.git

jiffies: add time_is_after_jiffies and others which compare with jiffies

Most of time_after like macros usages just compare jiffies and another number,
so here add some time_is_* macros for convenience.

Signed-off-by: Dave Young <hidave.darkstar@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---

diff --git a/include/linux/jiffies.h b/include/linux/jiffies.h
index e0b5b684d83..e377e34e589 100644
--- a/include/linux/jiffies.h
+++ b/include/linux/jiffies.h
@@ -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.