X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Finclude%2Flustre_lite.h;h=ac71d69e849238d1bfcc422870b8e18002a21bef;hb=80ac0f4ee600d5a0b8d818843562d9328fef2ef0;hp=c9c112947fc225c146e0f5b7588937edee179b93;hpb=6e3ec5812ebd1b5ecf7cae584f429b013ffe7431;p=fs%2Flustre-release.git

diff --git a/lustre/include/lustre_lite.h b/lustre/include/lustre_lite.h
index c9c1129..ac71d69 100644
--- a/lustre/include/lustre_lite.h
+++ b/lustre/include/lustre_lite.h
@@ -26,7 +26,7 @@
  * GPL HEADER END
  */
 /*
- * Copyright  2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  */
 /*
@@ -37,6 +37,11 @@
 #ifndef _LL_H
 #define _LL_H
 
+/** \defgroup lite lite
+ *
+ * @{
+ */
+
 #if defined(__linux__)
 #include <linux/lustre_lite.h>
 #elif defined(__APPLE__)
@@ -145,8 +150,16 @@ static inline void ll_dir_chain_fini(struct ll_dir_chain *chain)
 {
 }
 
-static inline unsigned long hash_x_index(unsigned long value)
+static inline unsigned long hash_x_index(__u64 hash)
 {
-        return ~0UL - value;
+#ifdef __KERNEL__
+# if BITS_PER_LONG == 32
+        hash >>= 32;
+# endif
+#endif
+        return ~0UL - hash;
 }
+
+/** @} lite */
+
 #endif