1 files changed, 11 insertions, 3 deletions

diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index 498ab93a81e4..fc84b7a19ca3 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -33,8 +33,8 @@ struct xdr_netobj {
 };
 
 /*
- * This is the generic XDR function. rqstp is either a rpc_rqst (client
- * side) or svc_rqst pointer (server side).
+ * This is the legacy generic XDR function. rqstp is either a rpc_rqst
+ * (client side) or svc_rqst pointer (server side).
  * Encode functions always assume there's enough room in the buffer.
  */
 typedef int     (*kxdrproc_t)(void *rqstp, __be32 *data, void *obj);
@@ -201,14 +201,22 @@ struct xdr_stream {
 
         __be32 *end;            /* end of available buffer space */
         struct kvec *iov;       /* pointer to the current kvec */
+        struct kvec scratch;    /* Scratch buffer */
+        struct page **page_ptr; /* pointer to the current page */
 };
 
+/*
+ * These are the xdr_stream style generic XDR encode and decode functions.
+ */
+typedef void    (*kxdreproc_t)(void *rqstp, struct xdr_stream *xdr, void *obj);
+typedef int     (*kxdrdproc_t)(void *rqstp, struct xdr_stream *xdr, void *obj);
+
 extern void xdr_init_encode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p);
 extern __be32 *xdr_reserve_space(struct xdr_stream *xdr, size_t nbytes);
 extern void xdr_write_pages(struct xdr_stream *xdr, struct page **pages,
                 unsigned int base, unsigned int len);
 extern void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p);
-extern __be32 *xdr_inline_peek(struct xdr_stream *xdr, size_t nbytes);
+extern void xdr_set_scratch_buffer(struct xdr_stream *xdr, void *buf, size_t buflen);
 extern __be32 *xdr_inline_decode(struct xdr_stream *xdr, size_t nbytes);
 extern void xdr_read_pages(struct xdr_stream *xdr, unsigned int len);
 extern void xdr_enter_page(struct xdr_stream *xdr, unsigned int len);