diff --git a/Documentation/sunrpc/xdr/nfs4.x b/Documentation/sunrpc/xdr/nfs4.x
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+++ b/Documentation/sunrpc/xdr/nfs4.x
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+/*
+ * Copyright (c) 2010 IETF Trust and the persons identified
+ * as the document authors.  All rights reserved.
+ *
+ * The document authors are identified in RFC 3530 and
+ * RFC 5661.
+ *
+ * Redistribution and use in source and binary forms, with
+ * or without modification, are permitted provided that the
+ * following conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ *   copyright notice, this list of conditions and the
+ *   following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ *   copyright notice, this list of conditions and the
+ *   following disclaimer in the documentation and/or other
+ *   materials provided with the distribution.
+ *
+ * - Neither the name of Internet Society, IETF or IETF
+ *   Trust, nor the names of specific contributors, may be
+ *   used to endorse or promote products derived from this
+ *   software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS
+ *   AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED
+ *   WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ *   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO
+ *   EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ *   LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ *   EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ *   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ *   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ *   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ *   IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ *   ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+pragma header nfs4;
+
+/*
+ * Basic typedefs for RFC 1832 data type definitions
+ */
+typedef hyper           int64_t;
+typedef unsigned int    uint32_t;
+
+/*
+ * Basic data types
+ */
+typedef uint32_t        bitmap4<>;
+
+/*
+ * Timeval
+ */
+struct nfstime4 {
+        int64_t         seconds;
+        uint32_t        nseconds;
+};
+
+
+/*
+ * The following content was extracted from draft-ietf-nfsv4-delstid
+ */
+
+typedef bool            fattr4_offline;
+
+
+const FATTR4_OFFLINE            = 83;
+
+
+struct open_arguments4 {
+  bitmap4  oa_share_access;
+  bitmap4  oa_share_deny;
+  bitmap4  oa_share_access_want;
+  bitmap4  oa_open_claim;
+  bitmap4  oa_create_mode;
+};
+
+
+enum open_args_share_access4 {
+   OPEN_ARGS_SHARE_ACCESS_READ  = 1,
+   OPEN_ARGS_SHARE_ACCESS_WRITE = 2,
+   OPEN_ARGS_SHARE_ACCESS_BOTH  = 3
+};
+
+
+enum open_args_share_deny4 {
+   OPEN_ARGS_SHARE_DENY_NONE  = 0,
+   OPEN_ARGS_SHARE_DENY_READ  = 1,
+   OPEN_ARGS_SHARE_DENY_WRITE = 2,
+   OPEN_ARGS_SHARE_DENY_BOTH  = 3
+};
+
+
+enum open_args_share_access_want4 {
+   OPEN_ARGS_SHARE_ACCESS_WANT_ANY_DELEG           = 3,
+   OPEN_ARGS_SHARE_ACCESS_WANT_NO_DELEG            = 4,
+   OPEN_ARGS_SHARE_ACCESS_WANT_CANCEL              = 5,
+   OPEN_ARGS_SHARE_ACCESS_WANT_SIGNAL_DELEG_WHEN_RESRC_AVAIL
+                                                   = 17,
+   OPEN_ARGS_SHARE_ACCESS_WANT_PUSH_DELEG_WHEN_UNCONTENDED
+                                                   = 18,
+   OPEN_ARGS_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS    = 20,
+   OPEN_ARGS_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 21
+};
+
+
+enum open_args_open_claim4 {
+   OPEN_ARGS_OPEN_CLAIM_NULL          = 0,
+   OPEN_ARGS_OPEN_CLAIM_PREVIOUS      = 1,
+   OPEN_ARGS_OPEN_CLAIM_DELEGATE_CUR  = 2,
+   OPEN_ARGS_OPEN_CLAIM_DELEGATE_PREV = 3,
+   OPEN_ARGS_OPEN_CLAIM_FH            = 4,
+   OPEN_ARGS_OPEN_CLAIM_DELEG_CUR_FH  = 5,
+   OPEN_ARGS_OPEN_CLAIM_DELEG_PREV_FH = 6
+};
+
+
+enum open_args_createmode4 {
+   OPEN_ARGS_CREATEMODE_UNCHECKED4     = 0,
+   OPEN_ARGS_CREATE_MODE_GUARDED       = 1,
+   OPEN_ARGS_CREATEMODE_EXCLUSIVE4     = 2,
+   OPEN_ARGS_CREATE_MODE_EXCLUSIVE4_1  = 3
+};
+
+
+typedef open_arguments4 fattr4_open_arguments;
+pragma public fattr4_open_arguments;
+
+
+%/*
+% * Determine what OPEN supports.
+% */
+const FATTR4_OPEN_ARGUMENTS     = 86;
+
+
+const OPEN4_SHARE_ACCESS_WANT_OPEN_XOR_DELEGATION = 0x200000;
+
+
+const OPEN4_RESULT_NO_OPEN_STATEID = 0x00000010;
+
+
+/*
+ * attributes for the delegation times being
+ * cached and served by the "client"
+ */
+typedef nfstime4        fattr4_time_deleg_access;
+typedef nfstime4        fattr4_time_deleg_modify;
+pragma public           fattr4_time_deleg_access;
+pragma public           fattr4_time_deleg_modify;
+
+
+%/*
+% * New RECOMMENDED Attribute for
+% * delegation caching of times
+% */
+const FATTR4_TIME_DELEG_ACCESS  = 84;
+const FATTR4_TIME_DELEG_MODIFY  = 85;
+
+
+const OPEN4_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS = 0x100000;
+