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-rw-r--r--net/sunrpc/xdr.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/net/sunrpc/xdr.c b/net/sunrpc/xdr.c
index 679cd674b81d..f008c14ad34c 100644
--- a/net/sunrpc/xdr.c
+++ b/net/sunrpc/xdr.c
@@ -638,6 +638,25 @@ void xdr_init_decode(struct xdr_stream *xdr, struct xdr_buf *buf, __be32 *p)
}
EXPORT_SYMBOL_GPL(xdr_init_decode);
+/**
+ * xdr_init_decode - Initialize an xdr_stream for decoding data.
+ * @xdr: pointer to xdr_stream struct
+ * @buf: pointer to XDR buffer from which to decode data
+ * @pages: list of pages to decode into
+ * @len: length in bytes of buffer in pages
+ */
+void xdr_init_decode_pages(struct xdr_stream *xdr, struct xdr_buf *buf,
+ struct page **pages, unsigned int len)
+{
+ memset(buf, 0, sizeof(*buf));
+ buf->pages = pages;
+ buf->page_len = len;
+ buf->buflen = len;
+ buf->len = len;
+ xdr_init_decode(xdr, buf, NULL);
+}
+EXPORT_SYMBOL_GPL(xdr_init_decode_pages);
+
static __be32 * __xdr_inline_decode(struct xdr_stream *xdr, size_t nbytes)
{
__be32 *p = xdr->p;