+#include <obd_support.h>
+#include <lustre_handles.h>
+#include <lustre_lib.h>
+
+#if !defined(HAVE_RCU) || !defined(__KERNEL__)
+# define list_add_rcu list_add
+# define list_del_rcu list_del
+# define list_for_each_rcu list_for_each
+# define list_for_each_safe_rcu list_for_each_safe
+# define rcu_read_lock() spin_lock(&bucket->lock)
+# define rcu_read_unlock() spin_unlock(&bucket->lock)
+#endif /* ifndef HAVE_RCU */