Sanitise linux/sunrpc/debug.h for userspace consumption

Move some inclusion of private header files and the definition of
RPC_DEBUG inside the existing #ifdef __KERNEL__
Signed-off-by: David Woodhouse <dwmw2@infradead.org>

include/linux/sunrpc/debug.h

@@ -9,19 +9,6 @@
 #ifndef _LINUX_SUNRPC_DEBUG_H_
 #define _LINUX_SUNRPC_DEBUG_H_
 
-#include <linux/config.h>
-
-#include <linux/timer.h>
-#include <linux/workqueue.h>
-
-/*
- * Enable RPC debugging/profiling.
- */
-#ifdef CONFIG_SYSCTL
-#define  RPC_DEBUG
-#endif
-/* #define  RPC_PROFILE */
-
 /*
  * RPC debug facilities
  */
@@ -40,6 +27,18 @@
 #define RPCDBG_ALL		0x7fff
 
 #ifdef __KERNEL__
+#include <linux/config.h>
+
+#include <linux/timer.h>
+#include <linux/workqueue.h>
+
+/*
+ * Enable RPC debugging/profiling.
+ */
+#ifdef CONFIG_SYSCTL
+#define  RPC_DEBUG
+#endif
+/* #define  RPC_PROFILE */
 
 /*
  * Debugging macros etc