Whamcloud - gitweb
LU-11085 nodemap: switch interval tree to in-kernel impl.
[fs/lustre-release.git] / libcfs / include / libcfs / libcfs.h
index df7234d..5fa92df 100644 (file)
@@ -59,9 +59,6 @@
 
 #define LIBCFS_VERSION "0.7.1"
 
-#define PO2_ROUNDUP_TYPED(x, po2, type) (-(-(type)(x) & -(type)(po2)))
-#define LOWEST_BIT_SET(x) ((x) & ~((x) - 1))
-
 /* Sparse annotations */
 #if !defined(__must_hold)
 # ifdef __CHECKER__
@@ -131,4 +128,14 @@ do {                                                                       \
 /* atomic-context safe vfree */
 void libcfs_vfree_atomic(const void *addr);
 
+/* interval tree */
+
+#ifdef HAVE_INTERVAL_TREE_CACHED
+#define interval_tree_root rb_root_cached
+#define INTERVAL_TREE_ROOT RB_ROOT_CACHED
+#else
+#define interval_tree_root rb_root
+#define INTERVAL_TREE_ROOT RB_ROOT
+#endif /* HAVE_INTERVAL_TREE_CACHED */
+
 #endif /* _LIBCFS_LIBCFS_H_ */