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Diffstat (limited to 'include/linux/sunrpc/xdr.h')
-rw-r--r--include/linux/sunrpc/xdr.h27
1 files changed, 13 insertions, 14 deletions
diff --git a/include/linux/sunrpc/xdr.h b/include/linux/sunrpc/xdr.h
index 9b35ce50cf2b..19b6dea27367 100644
--- a/include/linux/sunrpc/xdr.h
+++ b/include/linux/sunrpc/xdr.h
@@ -128,8 +128,8 @@ __be32 *xdr_decode_netobj(__be32 *p, struct xdr_netobj *);
void xdr_inline_pages(struct xdr_buf *, unsigned int,
struct page **, unsigned int, unsigned int);
-void xdr_terminate_string(struct xdr_buf *, const u32);
-size_t xdr_buf_pagecount(struct xdr_buf *buf);
+void xdr_terminate_string(const struct xdr_buf *, const u32);
+size_t xdr_buf_pagecount(const struct xdr_buf *buf);
int xdr_alloc_bvec(struct xdr_buf *buf, gfp_t gfp);
void xdr_free_bvec(struct xdr_buf *buf);
@@ -182,15 +182,14 @@ xdr_adjust_iovec(struct kvec *iov, __be32 *p)
* XDR buffer helper functions
*/
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(const struct xdr_buf *buf, struct xdr_buf *subbuf,
- unsigned int base, unsigned int len);
+extern void xdr_buf_from_iov(const struct kvec *, struct xdr_buf *);
+extern int xdr_buf_subsegment(const struct xdr_buf *, struct xdr_buf *, unsigned int, unsigned int);
extern void xdr_buf_trim(struct xdr_buf *, 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);
+extern int read_bytes_from_xdr_buf(const struct xdr_buf *, unsigned int, void *, unsigned int);
+extern int write_bytes_to_xdr_buf(const struct xdr_buf *, unsigned int, void *, unsigned int);
-extern int xdr_encode_word(struct xdr_buf *, unsigned int, u32);
-extern int xdr_decode_word(struct xdr_buf *, unsigned int, u32 *);
+extern int xdr_encode_word(const struct xdr_buf *, unsigned int, u32);
+extern int xdr_decode_word(const struct xdr_buf *, unsigned int, u32 *);
struct xdr_array2_desc;
typedef int (*xdr_xcode_elem_t)(struct xdr_array2_desc *desc, void *elem);
@@ -201,9 +200,9 @@ struct xdr_array2_desc {
xdr_xcode_elem_t xcode;
};
-extern int xdr_decode_array2(struct xdr_buf *buf, unsigned int base,
+extern int xdr_decode_array2(const struct xdr_buf *buf, unsigned int base,
struct xdr_array2_desc *desc);
-extern int xdr_encode_array2(struct xdr_buf *buf, unsigned int base,
+extern int xdr_encode_array2(const struct xdr_buf *buf, unsigned int base,
struct xdr_array2_desc *desc);
extern void _copy_from_pages(char *p, struct page **pages, size_t pgbase,
size_t len);
@@ -251,9 +250,9 @@ extern void xdr_init_decode_pages(struct xdr_stream *xdr, struct xdr_buf *buf,
extern __be32 *xdr_inline_decode(struct xdr_stream *xdr, size_t nbytes);
extern unsigned int 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);
-extern uint64_t xdr_align_data(struct xdr_stream *, uint64_t, uint32_t);
-extern uint64_t xdr_expand_hole(struct xdr_stream *, uint64_t, uint64_t);
+extern int xdr_process_buf(const struct xdr_buf *buf, unsigned int offset, unsigned int len, int (*actor)(struct scatterlist *, void *), void *data);
+extern unsigned int xdr_align_data(struct xdr_stream *, unsigned int offset, unsigned int length);
+extern unsigned int xdr_expand_hole(struct xdr_stream *, unsigned int offset, unsigned int length);
extern bool xdr_stream_subsegment(struct xdr_stream *xdr, struct xdr_buf *subbuf,
unsigned int len);