From a864fb02d6918ad014596afef779c964e061c127 Mon Sep 17 00:00:00 2001
From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 23 Jun 2011 21:28:47 -0400
Subject: [PATCH] Add uuid wrapper for kernels < 2.6.35

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---
 ltt-events.c   |  2 +-
 ltt-events.h   |  2 +-
 wrapper/uuid.h | 29 +++++++++++++++++++++++++++++
 3 files changed, 31 insertions(+), 2 deletions(-)
 create mode 100644 wrapper/uuid.h

diff --git a/ltt-events.c b/ltt-events.c
index 3457699f..e9e076d8 100644
--- a/ltt-events.c
+++ b/ltt-events.c
@@ -14,7 +14,7 @@
 #include <linux/sched.h>
 #include <linux/slab.h>
 #include <linux/jiffies.h>
-#include <linux/uuid.h>
+#include "wrapper/uuid.h"
 #include "wrapper/vmalloc.h"	/* for wrapper_vmalloc_sync_all() */
 #include "ltt-events.h"
 #include "ltt-tracer.h"
diff --git a/ltt-events.h b/ltt-events.h
index 4cb4919f..32c87358 100644
--- a/ltt-events.h
+++ b/ltt-events.h
@@ -12,8 +12,8 @@
  */
 
 #include <linux/list.h>
-#include <linux/uuid.h>
 #include <linux/kprobes.h>
+#include "wrapper/uuid.h"
 #include "ltt-debugfs-abi.h"
 
 #undef is_signed_type
diff --git a/wrapper/uuid.h b/wrapper/uuid.h
new file mode 100644
index 00000000..569ccab6
--- /dev/null
+++ b/wrapper/uuid.h
@@ -0,0 +1,29 @@
+#ifndef _LTT_WRAPPER_UUID_H
+#define _LTT_WRAPPER_UUID_H
+
+/*
+ * Copyright (C) 2011 Mathieu Desnoyers (mathieu.desnoyers@efficios.com)
+ *
+ * Dual LGPL v2.1/GPL v2 license.
+ */
+
+#include <linux/version.h>
+
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,35))
+#include <linux/uuid.h>
+#else
+
+#include <linux/random.h>
+
+typedef struct {
+	__u8 b[16];
+} uuid_le;
+
+static inline
+void uuid_le_gen(uuid_le *u)
+{
+	genarate_random_uuid(u);
+}
+
+#endif
+#endif /* _LTT_WRAPPER_UUID_H */
-- 
2.34.1