1 files changed, 14 insertions, 11 deletions

diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index ac69e5511606..9e340fa23c06 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -11,6 +11,7 @@
 
 #include <linux/uio.h>
 #include <asm/byteorder.h>
+#include <linux/scatterlist.h>
 
 /*
  * Buffer adjustment
@@ -139,29 +140,30 @@ xdr_adjust_iovec(struct kvec *iov, __be32 *p)
  */
 extern void xdr_shift_buf(struct xdr_buf *, size_t);
 extern void xdr_buf_from_iov(struct kvec *, struct xdr_buf *);
-extern int xdr_buf_subsegment(struct xdr_buf *, struct xdr_buf *, int, int);
-extern int xdr_buf_read_netobj(struct xdr_buf *, struct xdr_netobj *, int);
-extern int read_bytes_from_xdr_buf(struct xdr_buf *, int, void *, int);
-extern int write_bytes_to_xdr_buf(struct xdr_buf *, int, void *, int);
+extern int xdr_buf_subsegment(struct xdr_buf *, struct xdr_buf *, unsigned int, unsigned int);
+extern int xdr_buf_read_netobj(struct xdr_buf *, struct xdr_netobj *, unsigned int);
+extern int read_bytes_from_xdr_buf(struct xdr_buf *, unsigned int, void *, unsigned int);
+extern int write_bytes_to_xdr_buf(struct xdr_buf *, unsigned int, void *, unsigned int);
 
 /*
  * Helper structure for copying from an sk_buff.
  */
-typedef struct {
+struct xdr_skb_reader {
         struct sk_buff  *skb;
         unsigned int    offset;
         size_t          count;
-        unsigned int    csum;
-} skb_reader_t;
+        __wsum          csum;
+};
 
-typedef size_t (*skb_read_actor_t)(skb_reader_t *desc, void *to, size_t len);
+typedef size_t (*xdr_skb_read_actor)(struct xdr_skb_reader *desc, void *to, size_t len);
 
+size_t xdr_skb_read_bits(struct xdr_skb_reader *desc, void *to, size_t len);
 extern int csum_partial_copy_to_xdr(struct xdr_buf *, struct sk_buff *);
 extern ssize_t xdr_partial_copy_from_skb(struct xdr_buf *, unsigned int,
-                skb_reader_t *, skb_read_actor_t);
+                struct xdr_skb_reader *, xdr_skb_read_actor);
 
-extern int xdr_encode_word(struct xdr_buf *, int, u32);
-extern int xdr_decode_word(struct xdr_buf *, int, u32 *);
+extern int xdr_encode_word(struct xdr_buf *, unsigned int, u32);
+extern int xdr_decode_word(struct xdr_buf *, unsigned int, u32 *);
 
 struct xdr_array2_desc;
 typedef int (*xdr_xcode_elem_t)(struct xdr_array2_desc *desc, void *elem);
@@ -196,6 +198,7 @@ extern void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32
 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);
+extern int xdr_process_buf(struct xdr_buf *buf, unsigned int offset, unsigned int len, int (*actor)(struct scatterlist *, void *), void *data);
 
 #endif /* __KERNEL__ */