diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index 9e340fa..c6b53d1 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -12,6 +12,7 @@
 #include <linux/uio.h>
 #include <asm/byteorder.h>
 #include <linux/scatterlist.h>
+#include <linux/smp_lock.h>
 
 /*
  * Buffer adjustment
@@ -36,6 +37,21 @@
 typedef int	(*kxdrproc_t)(void *rqstp, __be32 *data, void *obj);
 
 /*
+ * We're still requiring the BKL in the xdr code until it's been
+ * more carefully audited, at which point this wrapper will become
+ * unnecessary.
+ */
+static inline int rpc_call_xdrproc(kxdrproc_t xdrproc, void *rqstp, __be32 *data, void *obj)
+{
+	int ret;
+
+	lock_kernel();
+	ret = xdrproc(rqstp, data, obj);
+	unlock_kernel();
+	return ret;
+}
+
+/*
  * Basic structure for transmission/reception of a client XDR message.
  * Features a header (for a linear buffer containing RPC headers
  * and the data payload for short messages), and then an array of