From bf07e880958133a8ef26208447c04d28a4824f29 Mon Sep 17 00:00:00 2001
From: yangsheng <yangsheng>
Date: Tue, 9 Sep 2008 15:43:12 +0000
Subject: [PATCH] Branch b1_6 b=16949 i=yury, deen

Add labs(x) as a inline function because absent since 2.6.22.
---
 lustre/include/linux/lustre_compat25.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/lustre/include/linux/lustre_compat25.h b/lustre/include/linux/lustre_compat25.h
index 881db60678..560f20bdb3 100644
--- a/lustre/include/linux/lustre_compat25.h
+++ b/lustre/include/linux/lustre_compat25.h
@@ -590,5 +590,19 @@ int ll_unregister_blkdev(unsigned int dev, const char *name)
                 vfs_rename(old,old_dir,new,new_dir)
 #endif
 
+#ifndef abs
+static inline int abs(int x)
+{
+        return (x < 0) ? -x : x;
+}
+#endif
+
+#ifndef labs
+static inline long labs(long x)
+{
+        return (x < 0) ? -x : x;
+}
+#endif
+
 #endif /* __KERNEL__ */
 #endif /* _COMPAT25_H */
-- 
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