nfs41: exchange_id operation
[safe/jmp/linux-2.6] / fs / nfs / nfs4xdr.c
index 0d57946..783c421 100644 (file)
@@ -8,7 +8,7 @@
  *
  *  Kendrick Smith <kmsmith@umich.edu>
  *  Andy Adamson   <andros@umich.edu>
- * 
+ *
  *  Redistribution and use in source and binary forms, with or without
  *  modification, are permitted provided that the following conditions
  *  are met:
@@ -58,7 +58,7 @@
 /* Mapping from NFS error code to "errno" error code. */
 #define errno_NFSERR_IO                EIO
 
-static int nfs_stat_to_errno(int);
+static int nfs4_stat_to_errno(int);
 
 /* NFSv4 COMPOUND tags are only wanted for debugging purposes */
 #ifdef DEBUG
@@ -67,14 +67,20 @@ static int nfs_stat_to_errno(int);
 #define NFS4_MAXTAGLEN         0
 #endif
 
-/* lock,open owner id: 
- * we currently use size 1 (u32) out of (NFS4_OPAQUE_LIMIT  >> 2)
+/* lock,open owner id:
+ * we currently use size 2 (u64) out of (NFS4_OPAQUE_LIMIT  >> 2)
  */
-#define owner_id_maxsz          (1 + 1)
+#define open_owner_id_maxsz    (1 + 4)
+#define lock_owner_id_maxsz    (1 + 4)
+#define decode_lockowner_maxsz (1 + XDR_QUADLEN(IDMAP_NAMESZ))
 #define compound_encode_hdr_maxsz      (3 + (NFS4_MAXTAGLEN >> 2))
 #define compound_decode_hdr_maxsz      (3 + (NFS4_MAXTAGLEN >> 2))
 #define op_encode_hdr_maxsz    (1)
 #define op_decode_hdr_maxsz    (2)
+#define encode_stateid_maxsz   (XDR_QUADLEN(NFS4_STATEID_SIZE))
+#define decode_stateid_maxsz   (XDR_QUADLEN(NFS4_STATEID_SIZE))
+#define encode_verifier_maxsz  (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
+#define decode_verifier_maxsz  (XDR_QUADLEN(NFS4_VERIFIER_SIZE))
 #define encode_putfh_maxsz     (op_encode_hdr_maxsz + 1 + \
                                (NFS4_FHSIZE >> 2))
 #define decode_putfh_maxsz     (op_decode_hdr_maxsz)
@@ -87,26 +93,35 @@ static int nfs_stat_to_errno(int);
 #define encode_getattr_maxsz    (op_encode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
 #define nfs4_name_maxsz                (1 + ((3 + NFS4_MAXNAMLEN) >> 2))
 #define nfs4_path_maxsz                (1 + ((3 + NFS4_MAXPATHLEN) >> 2))
+#define nfs4_owner_maxsz       (1 + XDR_QUADLEN(IDMAP_NAMESZ))
+#define nfs4_group_maxsz       (1 + XDR_QUADLEN(IDMAP_NAMESZ))
 /* This is based on getfattr, which uses the most attributes: */
 #define nfs4_fattr_value_maxsz (1 + (1 + 2 + 2 + 4 + 2 + 1 + 1 + 2 + 2 + \
-                               3 + 3 + 3 + 2 * nfs4_name_maxsz))
+                               3 + 3 + 3 + nfs4_owner_maxsz + nfs4_group_maxsz))
 #define nfs4_fattr_maxsz       (nfs4_fattr_bitmap_maxsz + \
                                nfs4_fattr_value_maxsz)
 #define decode_getattr_maxsz    (op_decode_hdr_maxsz + nfs4_fattr_maxsz)
+#define encode_attrs_maxsz     (nfs4_fattr_bitmap_maxsz + \
+                                1 + 2 + 1 + \
+                               nfs4_owner_maxsz + \
+                               nfs4_group_maxsz + \
+                               4 + 4)
 #define encode_savefh_maxsz     (op_encode_hdr_maxsz)
 #define decode_savefh_maxsz     (op_decode_hdr_maxsz)
 #define encode_restorefh_maxsz  (op_encode_hdr_maxsz)
 #define decode_restorefh_maxsz  (op_decode_hdr_maxsz)
-#define encode_fsinfo_maxsz    (op_encode_hdr_maxsz + 2)
+#define encode_fsinfo_maxsz    (encode_getattr_maxsz)
 #define decode_fsinfo_maxsz    (op_decode_hdr_maxsz + 11)
 #define encode_renew_maxsz     (op_encode_hdr_maxsz + 3)
 #define decode_renew_maxsz     (op_decode_hdr_maxsz)
 #define encode_setclientid_maxsz \
                                (op_encode_hdr_maxsz + \
-                               4 /*server->ip_addr*/ + \
-                               1 /*Netid*/ + \
-                               6 /*uaddr*/ + \
-                               6 + (NFS4_VERIFIER_SIZE >> 2))
+                               XDR_QUADLEN(NFS4_VERIFIER_SIZE) + \
+                               XDR_QUADLEN(NFS4_SETCLIENTID_NAMELEN) + \
+                               1 /* sc_prog */ + \
+                               XDR_QUADLEN(RPCBIND_MAXNETIDLEN) + \
+                               XDR_QUADLEN(RPCBIND_MAXUADDRLEN) + \
+                               1) /* sc_cb_ident */
 #define decode_setclientid_maxsz \
                                (op_decode_hdr_maxsz + \
                                2 + \
@@ -116,119 +131,269 @@ static int nfs_stat_to_errno(int);
                                3 + (NFS4_VERIFIER_SIZE >> 2))
 #define decode_setclientid_confirm_maxsz \
                                (op_decode_hdr_maxsz)
-#define encode_lookup_maxsz    (op_encode_hdr_maxsz + \
-                               1 + ((3 + NFS4_FHSIZE) >> 2))
+#define encode_lookup_maxsz    (op_encode_hdr_maxsz + nfs4_name_maxsz)
+#define decode_lookup_maxsz    (op_decode_hdr_maxsz)
+#define encode_share_access_maxsz \
+                               (2)
+#define encode_createmode_maxsz        (1 + encode_attrs_maxsz)
+#define encode_opentype_maxsz  (1 + encode_createmode_maxsz)
+#define encode_claim_null_maxsz        (1 + nfs4_name_maxsz)
+#define encode_open_maxsz      (op_encode_hdr_maxsz + \
+                               2 + encode_share_access_maxsz + 2 + \
+                               open_owner_id_maxsz + \
+                               encode_opentype_maxsz + \
+                               encode_claim_null_maxsz)
+#define decode_ace_maxsz       (3 + nfs4_owner_maxsz)
+#define decode_delegation_maxsz        (1 + decode_stateid_maxsz + 1 + \
+                               decode_ace_maxsz)
+#define decode_change_info_maxsz       (5)
+#define decode_open_maxsz      (op_decode_hdr_maxsz + \
+                               decode_stateid_maxsz + \
+                               decode_change_info_maxsz + 1 + \
+                               nfs4_fattr_bitmap_maxsz + \
+                               decode_delegation_maxsz)
+#define encode_open_confirm_maxsz \
+                               (op_encode_hdr_maxsz + \
+                                encode_stateid_maxsz + 1)
+#define decode_open_confirm_maxsz \
+                               (op_decode_hdr_maxsz + \
+                                decode_stateid_maxsz)
+#define encode_open_downgrade_maxsz \
+                               (op_encode_hdr_maxsz + \
+                                encode_stateid_maxsz + 1 + \
+                                encode_share_access_maxsz)
+#define decode_open_downgrade_maxsz \
+                               (op_decode_hdr_maxsz + \
+                                decode_stateid_maxsz)
+#define encode_close_maxsz     (op_encode_hdr_maxsz + \
+                                1 + encode_stateid_maxsz)
+#define decode_close_maxsz     (op_decode_hdr_maxsz + \
+                                decode_stateid_maxsz)
+#define encode_setattr_maxsz   (op_encode_hdr_maxsz + \
+                                encode_stateid_maxsz + \
+                                encode_attrs_maxsz)
+#define decode_setattr_maxsz   (op_decode_hdr_maxsz + \
+                                nfs4_fattr_bitmap_maxsz)
+#define encode_read_maxsz      (op_encode_hdr_maxsz + \
+                                encode_stateid_maxsz + 3)
+#define decode_read_maxsz      (op_decode_hdr_maxsz + 2)
+#define encode_readdir_maxsz   (op_encode_hdr_maxsz + \
+                                2 + encode_verifier_maxsz + 5)
+#define decode_readdir_maxsz   (op_decode_hdr_maxsz + \
+                                decode_verifier_maxsz)
+#define encode_readlink_maxsz  (op_encode_hdr_maxsz)
+#define decode_readlink_maxsz  (op_decode_hdr_maxsz + 1)
+#define encode_write_maxsz     (op_encode_hdr_maxsz + \
+                                encode_stateid_maxsz + 4)
+#define decode_write_maxsz     (op_decode_hdr_maxsz + \
+                                2 + decode_verifier_maxsz)
+#define encode_commit_maxsz    (op_encode_hdr_maxsz + 3)
+#define decode_commit_maxsz    (op_decode_hdr_maxsz + \
+                                decode_verifier_maxsz)
 #define encode_remove_maxsz    (op_encode_hdr_maxsz + \
                                nfs4_name_maxsz)
+#define decode_remove_maxsz    (op_decode_hdr_maxsz + \
+                                decode_change_info_maxsz)
 #define encode_rename_maxsz    (op_encode_hdr_maxsz + \
                                2 * nfs4_name_maxsz)
-#define decode_rename_maxsz    (op_decode_hdr_maxsz + 5 + 5)
+#define decode_rename_maxsz    (op_decode_hdr_maxsz + \
+                                decode_change_info_maxsz + \
+                                decode_change_info_maxsz)
 #define encode_link_maxsz      (op_encode_hdr_maxsz + \
                                nfs4_name_maxsz)
-#define decode_link_maxsz      (op_decode_hdr_maxsz + 5)
+#define decode_link_maxsz      (op_decode_hdr_maxsz + decode_change_info_maxsz)
+#define encode_lock_maxsz      (op_encode_hdr_maxsz + \
+                                7 + \
+                                1 + encode_stateid_maxsz + 8)
+#define decode_lock_denied_maxsz \
+                               (8 + decode_lockowner_maxsz)
+#define decode_lock_maxsz      (op_decode_hdr_maxsz + \
+                                decode_lock_denied_maxsz)
+#define encode_lockt_maxsz     (op_encode_hdr_maxsz + 12)
+#define decode_lockt_maxsz     (op_decode_hdr_maxsz + \
+                                decode_lock_denied_maxsz)
+#define encode_locku_maxsz     (op_encode_hdr_maxsz + 3 + \
+                                encode_stateid_maxsz + \
+                                4)
+#define decode_locku_maxsz     (op_decode_hdr_maxsz + \
+                                decode_stateid_maxsz)
+#define encode_access_maxsz    (op_encode_hdr_maxsz + 1)
+#define decode_access_maxsz    (op_decode_hdr_maxsz + 2)
 #define encode_symlink_maxsz   (op_encode_hdr_maxsz + \
                                1 + nfs4_name_maxsz + \
-                               nfs4_path_maxsz + \
+                               1 + \
                                nfs4_fattr_maxsz)
 #define decode_symlink_maxsz   (op_decode_hdr_maxsz + 8)
 #define encode_create_maxsz    (op_encode_hdr_maxsz + \
-                               2 + nfs4_name_maxsz + \
-                               nfs4_fattr_maxsz)
-#define decode_create_maxsz    (op_decode_hdr_maxsz + 8)
+                               1 + 2 + nfs4_name_maxsz + \
+                               encode_attrs_maxsz)
+#define decode_create_maxsz    (op_decode_hdr_maxsz + \
+                               decode_change_info_maxsz + \
+                               nfs4_fattr_bitmap_maxsz)
+#define encode_statfs_maxsz    (encode_getattr_maxsz)
+#define decode_statfs_maxsz    (decode_getattr_maxsz)
 #define encode_delegreturn_maxsz (op_encode_hdr_maxsz + 4)
 #define decode_delegreturn_maxsz (op_decode_hdr_maxsz)
+#define encode_getacl_maxsz    (encode_getattr_maxsz)
+#define decode_getacl_maxsz    (op_decode_hdr_maxsz + \
+                                nfs4_fattr_bitmap_maxsz + 1)
+#define encode_setacl_maxsz    (op_encode_hdr_maxsz + \
+                                encode_stateid_maxsz + 3)
+#define decode_setacl_maxsz    (decode_setattr_maxsz)
+#define encode_fs_locations_maxsz \
+                               (encode_getattr_maxsz)
+#define decode_fs_locations_maxsz \
+                               (0)
+
+#if defined(CONFIG_NFS_V4_1)
+#define encode_exchange_id_maxsz (op_encode_hdr_maxsz + \
+                               encode_verifier_maxsz + \
+                               1 /* co_ownerid.len */ + \
+                               XDR_QUADLEN(NFS4_EXCHANGE_ID_LEN) + \
+                               1 /* flags */ + \
+                               1 /* spa_how */ + \
+                               0 /* SP4_NONE (for now) */ + \
+                               1 /* zero implemetation id array */)
+#define decode_exchange_id_maxsz (op_decode_hdr_maxsz + \
+                               2 /* eir_clientid */ + \
+                               1 /* eir_sequenceid */ + \
+                               1 /* eir_flags */ + \
+                               1 /* spr_how */ + \
+                               0 /* SP4_NONE (for now) */ + \
+                               2 /* eir_server_owner.so_minor_id */ + \
+                               /* eir_server_owner.so_major_id<> */ \
+                               XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
+                               /* eir_server_scope<> */ \
+                               XDR_QUADLEN(NFS4_OPAQUE_LIMIT) + 1 + \
+                               1 /* eir_server_impl_id array length */ + \
+                               0 /* ignored eir_server_impl_id contents */)
+#define encode_sequence_maxsz  0 /* stub */
+#define decode_sequence_maxsz  0 /* stub */
+#else /* CONFIG_NFS_V4_1 */
+#define encode_sequence_maxsz  0
+#define decode_sequence_maxsz  0
+#endif /* CONFIG_NFS_V4_1 */
+
 #define NFS4_enc_compound_sz   (1024)  /* XXX: large enough? */
 #define NFS4_dec_compound_sz   (1024)  /* XXX: large enough? */
 #define NFS4_enc_read_sz       (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               op_encode_hdr_maxsz + 7)
+                               encode_read_maxsz)
 #define NFS4_dec_read_sz       (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + 2)
+                               decode_read_maxsz)
 #define NFS4_enc_readlink_sz   (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               op_encode_hdr_maxsz)
+                               encode_readlink_maxsz)
 #define NFS4_dec_readlink_sz   (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz)
+                               decode_readlink_maxsz)
 #define NFS4_enc_readdir_sz    (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               op_encode_hdr_maxsz + 9)
+                               encode_readdir_maxsz)
 #define NFS4_dec_readdir_sz    (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + 2)
+                               decode_readdir_maxsz)
 #define NFS4_enc_write_sz      (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               op_encode_hdr_maxsz + 8 + \
+                               encode_write_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_write_sz      (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + 4 + \
+                               decode_write_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_commit_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               op_encode_hdr_maxsz + 3 + \
+                               encode_commit_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_commit_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + 2 + \
+                               decode_commit_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_open_sz        (compound_encode_hdr_maxsz + \
-                                encode_putfh_maxsz + \
-                                op_encode_hdr_maxsz + \
-                                13 + 3 + 2 + 64 + \
-                                encode_getattr_maxsz + \
-                                encode_getfh_maxsz)
+                               encode_sequence_maxsz + \
+                               encode_putfh_maxsz + \
+                               encode_savefh_maxsz + \
+                               encode_open_maxsz + \
+                               encode_getfh_maxsz + \
+                               encode_getattr_maxsz + \
+                               encode_restorefh_maxsz + \
+                               encode_getattr_maxsz)
 #define NFS4_dec_open_sz        (compound_decode_hdr_maxsz + \
-                                decode_putfh_maxsz + \
-                                op_decode_hdr_maxsz + 4 + 5 + 2 + 3 + \
-                                decode_getattr_maxsz + \
-                                decode_getfh_maxsz)
-#define NFS4_enc_open_confirm_sz      \
-                                (compound_encode_hdr_maxsz + \
-                                encode_putfh_maxsz + \
-                                op_encode_hdr_maxsz + 5)
-#define NFS4_dec_open_confirm_sz        (compound_decode_hdr_maxsz + \
-                                        decode_putfh_maxsz + \
-                                        op_decode_hdr_maxsz + 4)
+                               decode_sequence_maxsz + \
+                               decode_putfh_maxsz + \
+                               decode_savefh_maxsz + \
+                               decode_open_maxsz + \
+                               decode_getfh_maxsz + \
+                               decode_getattr_maxsz + \
+                               decode_restorefh_maxsz + \
+                               decode_getattr_maxsz)
+#define NFS4_enc_open_confirm_sz \
+                               (compound_encode_hdr_maxsz + \
+                                encode_putfh_maxsz + \
+                                encode_open_confirm_maxsz)
+#define NFS4_dec_open_confirm_sz \
+                               (compound_decode_hdr_maxsz + \
+                                decode_putfh_maxsz + \
+                                decode_open_confirm_maxsz)
 #define NFS4_enc_open_noattr_sz        (compound_encode_hdr_maxsz + \
+                                       encode_sequence_maxsz + \
                                        encode_putfh_maxsz + \
-                                       op_encode_hdr_maxsz + \
-                                       11)
+                                       encode_open_maxsz + \
+                                       encode_getattr_maxsz)
 #define NFS4_dec_open_noattr_sz        (compound_decode_hdr_maxsz + \
+                                       decode_sequence_maxsz + \
                                        decode_putfh_maxsz + \
-                                       op_decode_hdr_maxsz + \
-                                       4 + 5 + 2 + 3)
+                                       decode_open_maxsz + \
+                                       decode_getattr_maxsz)
 #define NFS4_enc_open_downgrade_sz \
                                (compound_encode_hdr_maxsz + \
-                                encode_putfh_maxsz + \
-                                op_encode_hdr_maxsz + 7 + \
-                               encode_getattr_maxsz)
+                                encode_sequence_maxsz + \
+                                encode_putfh_maxsz + \
+                                encode_open_downgrade_maxsz + \
+                                encode_getattr_maxsz)
 #define NFS4_dec_open_downgrade_sz \
                                (compound_decode_hdr_maxsz + \
-                                decode_putfh_maxsz + \
-                                op_decode_hdr_maxsz + 4 + \
-                               decode_getattr_maxsz)
-#define NFS4_enc_close_sz       (compound_encode_hdr_maxsz + \
-                                encode_putfh_maxsz + \
-                                op_encode_hdr_maxsz + 5 + \
-                               encode_getattr_maxsz)
-#define NFS4_dec_close_sz       (compound_decode_hdr_maxsz + \
-                                decode_putfh_maxsz + \
-                                op_decode_hdr_maxsz + 4 + \
-                               decode_getattr_maxsz)
-#define NFS4_enc_setattr_sz     (compound_encode_hdr_maxsz + \
-                                encode_putfh_maxsz + \
-                                op_encode_hdr_maxsz + 4 + \
-                                nfs4_fattr_maxsz + \
-                                encode_getattr_maxsz)
-#define NFS4_dec_setattr_sz     (compound_decode_hdr_maxsz + \
-                                decode_putfh_maxsz + \
-                                op_decode_hdr_maxsz + 3)
+                                decode_sequence_maxsz + \
+                                decode_putfh_maxsz + \
+                                decode_open_downgrade_maxsz + \
+                                decode_getattr_maxsz)
+#define NFS4_enc_close_sz      (compound_encode_hdr_maxsz + \
+                                encode_sequence_maxsz + \
+                                encode_putfh_maxsz + \
+                                encode_close_maxsz + \
+                                encode_getattr_maxsz)
+#define NFS4_dec_close_sz      (compound_decode_hdr_maxsz + \
+                                decode_sequence_maxsz + \
+                                decode_putfh_maxsz + \
+                                decode_close_maxsz + \
+                                decode_getattr_maxsz)
+#define NFS4_enc_setattr_sz    (compound_encode_hdr_maxsz + \
+                                encode_sequence_maxsz + \
+                                encode_putfh_maxsz + \
+                                encode_setattr_maxsz + \
+                                encode_getattr_maxsz)
+#define NFS4_dec_setattr_sz    (compound_decode_hdr_maxsz + \
+                                decode_sequence_maxsz + \
+                                decode_putfh_maxsz + \
+                                decode_setattr_maxsz + \
+                                decode_getattr_maxsz)
 #define NFS4_enc_fsinfo_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_fsinfo_maxsz)
 #define NFS4_dec_fsinfo_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_fsinfo_maxsz)
 #define NFS4_enc_renew_sz      (compound_encode_hdr_maxsz + \
@@ -250,73 +415,81 @@ static int nfs_stat_to_errno(int);
                                decode_putrootfh_maxsz + \
                                decode_fsinfo_maxsz)
 #define NFS4_enc_lock_sz        (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               encode_getattr_maxsz + \
-                               op_encode_hdr_maxsz + \
-                               1 + 1 + 2 + 2 + \
-                               1 + 4 + 1 + 2 + \
-                               owner_id_maxsz)
+                               encode_lock_maxsz)
 #define NFS4_dec_lock_sz        (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               decode_getattr_maxsz + \
-                               op_decode_hdr_maxsz + \
-                               2 + 2 + 1 + 2 + \
-                               owner_id_maxsz)
+                               decode_lock_maxsz)
 #define NFS4_enc_lockt_sz       (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               encode_getattr_maxsz + \
-                               op_encode_hdr_maxsz + \
-                               1 + 2 + 2 + 2 + \
-                               owner_id_maxsz)
-#define NFS4_dec_lockt_sz       (NFS4_dec_lock_sz)
+                               encode_lockt_maxsz)
+#define NFS4_dec_lockt_sz       (compound_decode_hdr_maxsz + \
+                                decode_sequence_maxsz + \
+                                decode_putfh_maxsz + \
+                                decode_lockt_maxsz)
 #define NFS4_enc_locku_sz       (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               encode_getattr_maxsz + \
-                               op_encode_hdr_maxsz + \
-                               1 + 1 + 4 + 2 + 2)
+                               encode_locku_maxsz)
 #define NFS4_dec_locku_sz       (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               decode_getattr_maxsz + \
-                               op_decode_hdr_maxsz + 4)
+                               decode_locku_maxsz)
 #define NFS4_enc_access_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               op_encode_hdr_maxsz + 1)
+                               encode_access_maxsz + \
+                               encode_getattr_maxsz)
 #define NFS4_dec_access_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + 2)
+                               decode_access_maxsz + \
+                               decode_getattr_maxsz)
 #define NFS4_enc_getattr_sz    (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_getattr_sz    (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_lookup_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_lookup_maxsz + \
                                encode_getattr_maxsz + \
                                encode_getfh_maxsz)
 #define NFS4_dec_lookup_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + \
+                               decode_lookup_maxsz + \
                                decode_getattr_maxsz + \
                                decode_getfh_maxsz)
 #define NFS4_enc_lookup_root_sz (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putrootfh_maxsz + \
                                encode_getattr_maxsz + \
                                encode_getfh_maxsz)
 #define NFS4_dec_lookup_root_sz (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putrootfh_maxsz + \
                                decode_getattr_maxsz + \
                                decode_getfh_maxsz)
 #define NFS4_enc_remove_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_remove_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_remove_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + 5 + \
+                               decode_remove_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_rename_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_savefh_maxsz + \
                                encode_putfh_maxsz + \
@@ -325,6 +498,7 @@ static int nfs_stat_to_errno(int);
                                encode_restorefh_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_rename_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_savefh_maxsz + \
                                decode_putfh_maxsz + \
@@ -333,6 +507,7 @@ static int nfs_stat_to_errno(int);
                                decode_restorefh_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_link_sz       (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_savefh_maxsz + \
                                encode_putfh_maxsz + \
@@ -341,6 +516,7 @@ static int nfs_stat_to_errno(int);
                                encode_restorefh_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_dec_link_sz       (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_savefh_maxsz + \
                                decode_putfh_maxsz + \
@@ -349,16 +525,19 @@ static int nfs_stat_to_errno(int);
                                decode_restorefh_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_symlink_sz    (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_symlink_maxsz + \
                                encode_getattr_maxsz + \
                                encode_getfh_maxsz)
 #define NFS4_dec_symlink_sz    (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_symlink_maxsz + \
                                decode_getattr_maxsz + \
                                decode_getfh_maxsz)
 #define NFS4_enc_create_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_savefh_maxsz + \
                                encode_create_maxsz + \
@@ -367,6 +546,7 @@ static int nfs_stat_to_errno(int);
                                encode_restorefh_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_create_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_savefh_maxsz + \
                                decode_create_maxsz + \
@@ -375,64 +555,96 @@ static int nfs_stat_to_errno(int);
                                decode_restorefh_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_pathconf_sz   (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_pathconf_sz   (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_statfs_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               encode_getattr_maxsz)
+                               encode_statfs_maxsz)
 #define NFS4_dec_statfs_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + 12)
+                               decode_statfs_maxsz)
 #define NFS4_enc_server_caps_sz (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
+                               encode_putfh_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_server_caps_sz (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
+                               decode_putfh_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_delegreturn_sz        (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_delegreturn_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_delegreturn_sz (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_delegreturn_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_getacl_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               encode_getattr_maxsz)
+                               encode_getacl_maxsz)
 #define NFS4_dec_getacl_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + \
-                               nfs4_fattr_bitmap_maxsz + 1)
+                               decode_getacl_maxsz)
 #define NFS4_enc_setacl_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
-                               op_encode_hdr_maxsz + 4 + \
-                               nfs4_fattr_bitmap_maxsz + 1)
+                               encode_setacl_maxsz)
 #define NFS4_dec_setacl_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
-                               op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz)
-
-static struct {
-       unsigned int    mode;
-       unsigned int    nfs2type;
-} nfs_type2fmt[] = {
-       { 0,            NFNON        },
-       { S_IFREG,      NFREG        },
-       { S_IFDIR,      NFDIR        },
-       { S_IFBLK,      NFBLK        },
-       { S_IFCHR,      NFCHR        },
-       { S_IFLNK,      NFLNK        },
-       { S_IFSOCK,     NFSOCK       },
-       { S_IFIFO,      NFFIFO       },
-       { 0,            NFNON        },
-       { 0,            NFNON        },
+                               decode_setacl_maxsz)
+#define NFS4_enc_fs_locations_sz \
+                               (compound_encode_hdr_maxsz + \
+                                encode_sequence_maxsz + \
+                                encode_putfh_maxsz + \
+                                encode_lookup_maxsz + \
+                                encode_fs_locations_maxsz)
+#define NFS4_dec_fs_locations_sz \
+                               (compound_decode_hdr_maxsz + \
+                                decode_sequence_maxsz + \
+                                decode_putfh_maxsz + \
+                                decode_lookup_maxsz + \
+                                decode_fs_locations_maxsz)
+#if defined(CONFIG_NFS_V4_1)
+#define NFS4_enc_exchange_id_sz \
+                               (compound_encode_hdr_maxsz + \
+                                encode_exchange_id_maxsz)
+#define NFS4_dec_exchange_id_sz \
+                               (compound_decode_hdr_maxsz + \
+                                decode_exchange_id_maxsz)
+#endif /* CONFIG_NFS_V4_1 */
+
+static const umode_t nfs_type2fmt[] = {
+       [NF4BAD] = 0,
+       [NF4REG] = S_IFREG,
+       [NF4DIR] = S_IFDIR,
+       [NF4BLK] = S_IFBLK,
+       [NF4CHR] = S_IFCHR,
+       [NF4LNK] = S_IFLNK,
+       [NF4SOCK] = S_IFSOCK,
+       [NF4FIFO] = S_IFIFO,
+       [NF4ATTRDIR] = 0,
+       [NF4NAMEDATTR] = 0,
 };
 
 struct compound_hdr {
        int32_t         status;
        uint32_t        nops;
+       __be32 *        nops_p;
        uint32_t        taglen;
        char *          tag;
+       uint32_t        replen;         /* expected reply words */
+       u32             minorversion;
 };
 
 /*
@@ -456,54 +668,65 @@ struct compound_hdr {
 
 #define RESERVE_SPACE(nbytes)  do {                            \
        p = xdr_reserve_space(xdr, nbytes);                     \
-       if (!p) printk("RESERVE_SPACE(%d) failed in function %s\n", (int) (nbytes), __FUNCTION__); \
        BUG_ON(!p);                                             \
 } while (0)
 
 static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
 {
-       uint32_t *p;
+       __be32 *p;
 
        p = xdr_reserve_space(xdr, 4 + len);
        BUG_ON(p == NULL);
        xdr_encode_opaque(p, str, len);
 }
 
-static int encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
+static void encode_compound_hdr(struct xdr_stream *xdr,
+                               struct rpc_rqst *req,
+                               struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
+       struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
+
+       /* initialize running count of expected bytes in reply.
+        * NOTE: the replied tag SHOULD be the same is the one sent,
+        * but this is not required as a MUST for the server to do so. */
+       hdr->replen = RPC_REPHDRSIZE + auth->au_rslack + 3 + hdr->taglen;
 
        dprintk("encode_compound: tag=%.*s\n", (int)hdr->taglen, hdr->tag);
        BUG_ON(hdr->taglen > NFS4_MAXTAGLEN);
        RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2));
        WRITE32(hdr->taglen);
        WRITEMEM(hdr->tag, hdr->taglen);
-       WRITE32(NFS4_MINOR_VERSION);
+       WRITE32(hdr->minorversion);
+       hdr->nops_p = p;
        WRITE32(hdr->nops);
-       return 0;
+}
+
+static void encode_nops(struct compound_hdr *hdr)
+{
+       *hdr->nops_p = htonl(hdr->nops);
 }
 
 static void encode_nfs4_verifier(struct xdr_stream *xdr, const nfs4_verifier *verf)
 {
-       uint32_t *p;
+       __be32 *p;
 
        p = xdr_reserve_space(xdr, NFS4_VERIFIER_SIZE);
        BUG_ON(p == NULL);
        xdr_encode_opaque_fixed(p, verf->data, NFS4_VERIFIER_SIZE);
 }
 
-static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
+static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const struct nfs_server *server)
 {
        char owner_name[IDMAP_NAMESZ];
        char owner_group[IDMAP_NAMESZ];
        int owner_namelen = 0;
        int owner_grouplen = 0;
-       uint32_t *p;
-       uint32_t *q;
+       __be32 *p;
+       __be32 *q;
        int len;
        uint32_t bmval0 = 0;
        uint32_t bmval1 = 0;
-       int status;
 
        /*
         * We reserve enough space to write the entire attribute buffer at once.
@@ -520,10 +743,10 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
        if (iap->ia_valid & ATTR_MODE)
                len += 4;
        if (iap->ia_valid & ATTR_UID) {
-               owner_namelen = nfs_map_uid_to_name(server->nfs4_state, iap->ia_uid, owner_name);
+               owner_namelen = nfs_map_uid_to_name(server->nfs_client, iap->ia_uid, owner_name);
                if (owner_namelen < 0) {
-                       printk(KERN_WARNING "nfs: couldn't resolve uid %d to string\n",
-                              iap->ia_uid);
+                       dprintk("nfs: couldn't resolve uid %d to string\n",
+                                       iap->ia_uid);
                        /* XXX */
                        strcpy(owner_name, "nobody");
                        owner_namelen = sizeof("nobody") - 1;
@@ -532,10 +755,10 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
                len += 4 + (XDR_QUADLEN(owner_namelen) << 2);
        }
        if (iap->ia_valid & ATTR_GID) {
-               owner_grouplen = nfs_map_gid_to_group(server->nfs4_state, iap->ia_gid, owner_group);
+               owner_grouplen = nfs_map_gid_to_group(server->nfs_client, iap->ia_gid, owner_group);
                if (owner_grouplen < 0) {
-                       printk(KERN_WARNING "nfs4: couldn't resolve gid %d to string\n",
-                              iap->ia_gid);
+                       dprintk("nfs: couldn't resolve gid %d to string\n",
+                                       iap->ia_gid);
                        strcpy(owner_group, "nobody");
                        owner_grouplen = sizeof("nobody") - 1;
                        /* goto out; */
@@ -600,12 +823,12 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
                bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
                WRITE32(NFS4_SET_TO_SERVER_TIME);
        }
-       
+
        /*
         * Now we backfill the bitmap and the attribute buffer length.
         */
        if (len != ((char *)p - (char *)q) + 4) {
-               printk ("encode_attr: Attr length calculation error! %u != %Zu\n",
+               printk(KERN_ERR "nfs: Attr length error, %u != %Zu\n",
                                len, ((char *)p - (char *)q) + 4);
                BUG();
        }
@@ -614,59 +837,57 @@ static int encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const s
        *q++ = htonl(bmval1);
        *q++ = htonl(len);
 
-       status = 0;
 /* out: */
-       return status;
 }
 
-static int encode_access(struct xdr_stream *xdr, u32 access)
+static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(8);
        WRITE32(OP_ACCESS);
        WRITE32(access);
-       
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_access_maxsz;
 }
 
-static int encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
+static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(8+sizeof(arg->stateid->data));
+       RESERVE_SPACE(8+NFS4_STATEID_SIZE);
        WRITE32(OP_CLOSE);
        WRITE32(arg->seqid->sequence->counter);
-       WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
-       
-       return 0;
+       WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
+       hdr->nops++;
+       hdr->replen += decode_close_maxsz;
 }
 
-static int encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args)
+static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
 {
-       uint32_t *p;
-        
-        RESERVE_SPACE(16);
-        WRITE32(OP_COMMIT);
-        WRITE64(args->offset);
-        WRITE32(args->count);
+       __be32 *p;
 
-        return 0;
+       RESERVE_SPACE(16);
+       WRITE32(OP_COMMIT);
+       WRITE64(args->offset);
+       WRITE32(args->count);
+       hdr->nops++;
+       hdr->replen += decode_commit_maxsz;
 }
 
-static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create)
+static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr)
 {
-       uint32_t *p;
-       
+       __be32 *p;
+
        RESERVE_SPACE(8);
        WRITE32(OP_CREATE);
        WRITE32(create->ftype);
 
        switch (create->ftype) {
        case NF4LNK:
-               RESERVE_SPACE(4 + create->u.symlink->len);
-               WRITE32(create->u.symlink->len);
-               WRITEMEM(create->u.symlink->name, create->u.symlink->len);
+               RESERVE_SPACE(4);
+               WRITE32(create->u.symlink.len);
+               xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len);
                break;
 
        case NF4BLK: case NF4CHR:
@@ -682,66 +903,75 @@ static int encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *c
        RESERVE_SPACE(4 + create->name->len);
        WRITE32(create->name->len);
        WRITEMEM(create->name->name, create->name->len);
+       hdr->nops++;
+       hdr->replen += decode_create_maxsz;
 
-       return encode_attrs(xdr, create->attrs, create->server);
+       encode_attrs(xdr, create->attrs, create->server);
 }
 
-static int encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap)
+static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct compound_hdr *hdr)
 {
-        uint32_t *p;
+       __be32 *p;
 
-        RESERVE_SPACE(12);
-        WRITE32(OP_GETATTR);
-        WRITE32(1);
-        WRITE32(bitmap);
-        return 0;
+       RESERVE_SPACE(12);
+       WRITE32(OP_GETATTR);
+       WRITE32(1);
+       WRITE32(bitmap);
+       hdr->nops++;
+       hdr->replen += decode_getattr_maxsz;
 }
 
-static int encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1)
+static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr)
 {
-        uint32_t *p;
+       __be32 *p;
+
+       RESERVE_SPACE(16);
+       WRITE32(OP_GETATTR);
+       WRITE32(2);
+       WRITE32(bm0);
+       WRITE32(bm1);
+       hdr->nops++;
+       hdr->replen += decode_getattr_maxsz;
+}
 
-        RESERVE_SPACE(16);
-        WRITE32(OP_GETATTR);
-        WRITE32(2);
-        WRITE32(bm0);
-        WRITE32(bm1);
-        return 0;
+static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr)
+{
+       encode_getattr_two(xdr, bitmask[0] & nfs4_fattr_bitmap[0],
+                          bitmask[1] & nfs4_fattr_bitmap[1], hdr);
 }
 
-static int encode_getfattr(struct xdr_stream *xdr, const u32* bitmask)
+static void encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr)
 {
-       return encode_getattr_two(xdr,
-                       bitmask[0] & nfs4_fattr_bitmap[0],
-                       bitmask[1] & nfs4_fattr_bitmap[1]);
+       encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0],
+                          bitmask[1] & nfs4_fsinfo_bitmap[1], hdr);
 }
 
-static int encode_fsinfo(struct xdr_stream *xdr, const u32* bitmask)
+static void encode_fs_locations(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr)
 {
-       return encode_getattr_two(xdr, bitmask[0] & nfs4_fsinfo_bitmap[0],
-                       bitmask[1] & nfs4_fsinfo_bitmap[1]);
+       encode_getattr_two(xdr, bitmask[0] & nfs4_fs_locations_bitmap[0],
+                          bitmask[1] & nfs4_fs_locations_bitmap[1], hdr);
 }
 
-static int encode_getfh(struct xdr_stream *xdr)
+static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(OP_GETFH);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_getfh_maxsz;
 }
 
-static int encode_link(struct xdr_stream *xdr, const struct qstr *name)
+static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(8 + name->len);
        WRITE32(OP_LINK);
        WRITE32(name->len);
        WRITEMEM(name->name, name->len);
-       
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_link_maxsz;
 }
 
 static inline int nfs4_lock_type(struct file_lock *fl, int block)
@@ -762,9 +992,9 @@ static inline uint64_t nfs4_lock_length(struct file_lock *fl)
  * opcode,type,reclaim,offset,length,new_lock_owner = 32
  * open_seqid,open_stateid,lock_seqid,lock_owner.clientid, lock_owner.id = 40
  */
-static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args)
+static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(32);
        WRITE32(OP_LOCK);
@@ -774,91 +1004,93 @@ static int encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args)
        WRITE64(nfs4_lock_length(args->fl));
        WRITE32(args->new_lock_owner);
        if (args->new_lock_owner){
-               RESERVE_SPACE(40);
+               RESERVE_SPACE(4+NFS4_STATEID_SIZE+32);
                WRITE32(args->open_seqid->sequence->counter);
-               WRITEMEM(args->open_stateid->data, sizeof(args->open_stateid->data));
+               WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE);
                WRITE32(args->lock_seqid->sequence->counter);
                WRITE64(args->lock_owner.clientid);
-               WRITE32(4);
-               WRITE32(args->lock_owner.id);
+               WRITE32(16);
+               WRITEMEM("lock id:", 8);
+               WRITE64(args->lock_owner.id);
        }
        else {
-               RESERVE_SPACE(20);
-               WRITEMEM(args->lock_stateid->data, sizeof(args->lock_stateid->data));
+               RESERVE_SPACE(NFS4_STATEID_SIZE+4);
+               WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE);
                WRITE32(args->lock_seqid->sequence->counter);
        }
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_lock_maxsz;
 }
 
-static int encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args)
+static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(40);
+       RESERVE_SPACE(52);
        WRITE32(OP_LOCKT);
        WRITE32(nfs4_lock_type(args->fl, 0));
        WRITE64(args->fl->fl_start);
        WRITE64(nfs4_lock_length(args->fl));
        WRITE64(args->lock_owner.clientid);
-       WRITE32(4);
-       WRITE32(args->lock_owner.id);
-
-       return 0;
+       WRITE32(16);
+       WRITEMEM("lock id:", 8);
+       WRITE64(args->lock_owner.id);
+       hdr->nops++;
+       hdr->replen += decode_lockt_maxsz;
 }
 
-static int encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args)
+static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(44);
+       RESERVE_SPACE(12+NFS4_STATEID_SIZE+16);
        WRITE32(OP_LOCKU);
        WRITE32(nfs4_lock_type(args->fl, 0));
        WRITE32(args->seqid->sequence->counter);
-       WRITEMEM(args->stateid->data, sizeof(args->stateid->data));
+       WRITEMEM(args->stateid->data, NFS4_STATEID_SIZE);
        WRITE64(args->fl->fl_start);
        WRITE64(nfs4_lock_length(args->fl));
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_locku_maxsz;
 }
 
-static int encode_lookup(struct xdr_stream *xdr, const struct qstr *name)
+static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
 {
        int len = name->len;
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(8 + len);
        WRITE32(OP_LOOKUP);
        WRITE32(len);
        WRITEMEM(name->name, len);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_lookup_maxsz;
 }
 
-static void encode_share_access(struct xdr_stream *xdr, int open_flags)
+static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(8);
-       switch (open_flags & (FMODE_READ|FMODE_WRITE)) {
-               case FMODE_READ:
-                       WRITE32(NFS4_SHARE_ACCESS_READ);
-                       break;
-               case FMODE_WRITE:
-                       WRITE32(NFS4_SHARE_ACCESS_WRITE);
-                       break;
-               case FMODE_READ|FMODE_WRITE:
-                       WRITE32(NFS4_SHARE_ACCESS_BOTH);
-                       break;
-               default:
-                       BUG();
+       switch (fmode & (FMODE_READ|FMODE_WRITE)) {
+       case FMODE_READ:
+               WRITE32(NFS4_SHARE_ACCESS_READ);
+               break;
+       case FMODE_WRITE:
+               WRITE32(NFS4_SHARE_ACCESS_WRITE);
+               break;
+       case FMODE_READ|FMODE_WRITE:
+               WRITE32(NFS4_SHARE_ACCESS_BOTH);
+               break;
+       default:
+               WRITE32(0);
        }
        WRITE32(0);             /* for linux, share_deny = 0 always */
 }
 
 static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
 {
-       uint32_t *p;
+       __be32 *p;
  /*
  * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
  * owner 4 = 32
@@ -866,77 +1098,78 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena
        RESERVE_SPACE(8);
        WRITE32(OP_OPEN);
        WRITE32(arg->seqid->sequence->counter);
-       encode_share_access(xdr, arg->open_flags);
-       RESERVE_SPACE(16);
+       encode_share_access(xdr, arg->fmode);
+       RESERVE_SPACE(28);
        WRITE64(arg->clientid);
-       WRITE32(4);
-       WRITE32(arg->id);
+       WRITE32(16);
+       WRITEMEM("open id:", 8);
+       WRITE64(arg->id);
 }
 
 static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        switch(arg->open_flags & O_EXCL) {
-               case 0:
-                       WRITE32(NFS4_CREATE_UNCHECKED);
-                       encode_attrs(xdr, arg->u.attrs, arg->server);
-                       break;
-               default:
-                       WRITE32(NFS4_CREATE_EXCLUSIVE);
-                       encode_nfs4_verifier(xdr, &arg->u.verifier);
+       case 0:
+               WRITE32(NFS4_CREATE_UNCHECKED);
+               encode_attrs(xdr, arg->u.attrs, arg->server);
+               break;
+       default:
+               WRITE32(NFS4_CREATE_EXCLUSIVE);
+               encode_nfs4_verifier(xdr, &arg->u.verifier);
        }
 }
 
 static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *arg)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        switch (arg->open_flags & O_CREAT) {
-               case 0:
-                       WRITE32(NFS4_OPEN_NOCREATE);
-                       break;
-               default:
-                       BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
-                       WRITE32(NFS4_OPEN_CREATE);
-                       encode_createmode(xdr, arg);
+       case 0:
+               WRITE32(NFS4_OPEN_NOCREATE);
+               break;
+       default:
+               BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
+               WRITE32(NFS4_OPEN_CREATE);
+               encode_createmode(xdr, arg);
        }
 }
 
-static inline void encode_delegation_type(struct xdr_stream *xdr, int delegation_type)
+static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delegation_type)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        switch (delegation_type) {
-               case 0:
-                       WRITE32(NFS4_OPEN_DELEGATE_NONE);
-                       break;
-               case FMODE_READ:
-                       WRITE32(NFS4_OPEN_DELEGATE_READ);
-                       break;
-               case FMODE_WRITE|FMODE_READ:
-                       WRITE32(NFS4_OPEN_DELEGATE_WRITE);
-                       break;
-               default:
-                       BUG();
+       case 0:
+               WRITE32(NFS4_OPEN_DELEGATE_NONE);
+               break;
+       case FMODE_READ:
+               WRITE32(NFS4_OPEN_DELEGATE_READ);
+               break;
+       case FMODE_WRITE|FMODE_READ:
+               WRITE32(NFS4_OPEN_DELEGATE_WRITE);
+               break;
+       default:
+               BUG();
        }
 }
 
 static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *name)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(NFS4_OPEN_CLAIM_NULL);
        encode_string(xdr, name->len, name->name);
 }
 
-static inline void encode_claim_previous(struct xdr_stream *xdr, int type)
+static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(NFS4_OPEN_CLAIM_PREVIOUS);
@@ -945,98 +1178,100 @@ static inline void encode_claim_previous(struct xdr_stream *xdr, int type)
 
 static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struct qstr *name, const nfs4_stateid *stateid)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(4+sizeof(stateid->data));
+       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
        WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
-       WRITEMEM(stateid->data, sizeof(stateid->data));
+       WRITEMEM(stateid->data, NFS4_STATEID_SIZE);
        encode_string(xdr, name->len, name->name);
 }
 
-static int encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg)
+static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg, struct compound_hdr *hdr)
 {
        encode_openhdr(xdr, arg);
        encode_opentype(xdr, arg);
        switch (arg->claim) {
-               case NFS4_OPEN_CLAIM_NULL:
-                       encode_claim_null(xdr, arg->name);
-                       break;
-               case NFS4_OPEN_CLAIM_PREVIOUS:
-                       encode_claim_previous(xdr, arg->u.delegation_type);
-                       break;
-               case NFS4_OPEN_CLAIM_DELEGATE_CUR:
-                       encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation);
-                       break;
-               default:
-                       BUG();
+       case NFS4_OPEN_CLAIM_NULL:
+               encode_claim_null(xdr, arg->name);
+               break;
+       case NFS4_OPEN_CLAIM_PREVIOUS:
+               encode_claim_previous(xdr, arg->u.delegation_type);
+               break;
+       case NFS4_OPEN_CLAIM_DELEGATE_CUR:
+               encode_claim_delegate_cur(xdr, arg->name, &arg->u.delegation);
+               break;
+       default:
+               BUG();
        }
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_open_maxsz;
 }
 
-static int encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg)
+static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(8+sizeof(arg->stateid->data));
+       RESERVE_SPACE(4+NFS4_STATEID_SIZE+4);
        WRITE32(OP_OPEN_CONFIRM);
-       WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
+       WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
        WRITE32(arg->seqid->sequence->counter);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_open_confirm_maxsz;
 }
 
-static int encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg)
+static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(8+sizeof(arg->stateid->data));
+       RESERVE_SPACE(4+NFS4_STATEID_SIZE+4);
        WRITE32(OP_OPEN_DOWNGRADE);
-       WRITEMEM(arg->stateid->data, sizeof(arg->stateid->data));
+       WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
        WRITE32(arg->seqid->sequence->counter);
-       encode_share_access(xdr, arg->open_flags);
-       return 0;
+       encode_share_access(xdr, arg->fmode);
+       hdr->nops++;
+       hdr->replen += decode_open_downgrade_maxsz;
 }
 
-static int
-encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh)
+static void
+encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hdr *hdr)
 {
        int len = fh->size;
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(8 + len);
        WRITE32(OP_PUTFH);
        WRITE32(len);
        WRITEMEM(fh->data, len);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_putfh_maxsz;
 }
 
-static int encode_putrootfh(struct xdr_stream *xdr)
+static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
-        uint32_t *p;
-        
-        RESERVE_SPACE(4);
-        WRITE32(OP_PUTROOTFH);
+       __be32 *p;
 
-        return 0;
+       RESERVE_SPACE(4);
+       WRITE32(OP_PUTROOTFH);
+       hdr->nops++;
+       hdr->replen += decode_putrootfh_maxsz;
 }
 
 static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx)
 {
        nfs4_stateid stateid;
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(16);
+       RESERVE_SPACE(NFS4_STATEID_SIZE);
        if (ctx->state != NULL) {
                nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
-               WRITEMEM(stateid.data, sizeof(stateid.data));
+               WRITEMEM(stateid.data, NFS4_STATEID_SIZE);
        } else
-               WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
+               WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE);
 }
 
-static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args)
+static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(OP_READ);
@@ -1046,24 +1281,22 @@ static int encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args)
        RESERVE_SPACE(12);
        WRITE64(args->offset);
        WRITE32(args->count);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_read_maxsz;
 }
 
-static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req)
+static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr)
 {
-       struct rpc_auth *auth = req->rq_task->tk_auth;
        uint32_t attrs[2] = {
                FATTR4_WORD0_RDATTR_ERROR|FATTR4_WORD0_FILEID,
                FATTR4_WORD1_MOUNTED_ON_FILEID,
        };
-       int replen;
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(32+sizeof(nfs4_verifier));
+       RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20);
        WRITE32(OP_READDIR);
        WRITE64(readdir->cookie);
-       WRITEMEM(readdir->verifier.data, sizeof(readdir->verifier.data));
+       WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE);
        WRITE32(readdir->count >> 1);  /* We're not doing readdirplus */
        WRITE32(readdir->count);
        WRITE32(2);
@@ -1074,106 +1307,85 @@ static int encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
                attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
        WRITE32(attrs[0] & readdir->bitmask[0]);
        WRITE32(attrs[1] & readdir->bitmask[1]);
-       dprintk("%s: cookie = %Lu, verifier = 0x%x%x, bitmap = 0x%x%x\n",
-                       __FUNCTION__,
+       hdr->nops++;
+       hdr->replen += decode_readdir_maxsz;
+       dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
+                       __func__,
                        (unsigned long long)readdir->cookie,
                        ((u32 *)readdir->verifier.data)[0],
                        ((u32 *)readdir->verifier.data)[1],
                        attrs[0] & readdir->bitmask[0],
                        attrs[1] & readdir->bitmask[1]);
-
-       /* set up reply kvec
-        *    toplevel_status + taglen + rescount + OP_PUTFH + status
-        *      + OP_READDIR + status + verifer(2)  = 9
-        */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + 9) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen, readdir->pages,
-                        readdir->pgbase, readdir->count);
-       dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
-                       __FUNCTION__, replen, readdir->pages,
-                       readdir->pgbase, readdir->count);
-
-       return 0;
 }
 
-static int encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req)
+static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *readlink, struct rpc_rqst *req, struct compound_hdr *hdr)
 {
-       struct rpc_auth *auth = req->rq_task->tk_auth;
-       unsigned int replen;
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(OP_READLINK);
-
-       /* set up reply kvec
-        *    toplevel_status + taglen + rescount + OP_PUTFH + status
-        *      + OP_READLINK + status + string length = 8
-        */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + 8) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen, readlink->pages,
-                       readlink->pgbase, readlink->pglen);
-       
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_readlink_maxsz;
 }
 
-static int encode_remove(struct xdr_stream *xdr, const struct qstr *name)
+static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(8 + name->len);
        WRITE32(OP_REMOVE);
        WRITE32(name->len);
        WRITEMEM(name->name, name->len);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_remove_maxsz;
 }
 
-static int encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname)
+static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(8 + oldname->len);
        WRITE32(OP_RENAME);
        WRITE32(oldname->len);
        WRITEMEM(oldname->name, oldname->len);
-       
+
        RESERVE_SPACE(4 + newname->len);
        WRITE32(newname->len);
        WRITEMEM(newname->name, newname->len);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_rename_maxsz;
 }
 
-static int encode_renew(struct xdr_stream *xdr, const struct nfs4_client *client_stateid)
+static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(12);
        WRITE32(OP_RENEW);
        WRITE64(client_stateid->cl_clientid);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_renew_maxsz;
 }
 
-static int
-encode_restorefh(struct xdr_stream *xdr)
+static void
+encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(OP_RESTOREFH);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_restorefh_maxsz;
 }
 
 static int
-encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg)
+encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(4+sizeof(zero_stateid.data));
+       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
        WRITE32(OP_SETATTR);
-       WRITEMEM(zero_stateid.data, sizeof(zero_stateid.data));
+       WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE);
        RESERVE_SPACE(2*4);
        WRITE32(1);
        WRITE32(FATTR4_WORD0_ACL);
@@ -1182,42 +1394,41 @@ encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg)
        RESERVE_SPACE(4);
        WRITE32(arg->acl_len);
        xdr_write_pages(xdr, arg->acl_pages, arg->acl_pgbase, arg->acl_len);
+       hdr->nops++;
+       hdr->replen += decode_setacl_maxsz;
        return 0;
 }
 
-static int
-encode_savefh(struct xdr_stream *xdr)
+static void
+encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(OP_SAVEFH);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_savefh_maxsz;
 }
 
-static int encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server)
+static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr)
 {
-       int status;
-       uint32_t *p;
-       
-        RESERVE_SPACE(4+sizeof(arg->stateid.data));
-        WRITE32(OP_SETATTR);
-       WRITEMEM(arg->stateid.data, sizeof(arg->stateid.data));
+       __be32 *p;
 
-        if ((status = encode_attrs(xdr, arg->iap, server)))
-               return status;
-
-        return 0;
+       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
+       WRITE32(OP_SETATTR);
+       WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE);
+       hdr->nops++;
+       hdr->replen += decode_setattr_maxsz;
+       encode_attrs(xdr, arg->iap, server);
 }
 
-static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid)
+static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclientid *setclientid, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(4 + sizeof(setclientid->sc_verifier->data));
+       RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE);
        WRITE32(OP_SETCLIENTID);
-       WRITEMEM(setclientid->sc_verifier->data, sizeof(setclientid->sc_verifier->data));
+       WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE);
 
        encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name);
        RESERVE_SPACE(4);
@@ -1226,25 +1437,25 @@ static int encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclien
        encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr);
        RESERVE_SPACE(4);
        WRITE32(setclientid->sc_cb_ident);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_setclientid_maxsz;
 }
 
-static int encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs4_client *client_state)
+static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state, struct compound_hdr *hdr)
 {
-        uint32_t *p;
-
-        RESERVE_SPACE(12 + sizeof(client_state->cl_confirm.data));
-        WRITE32(OP_SETCLIENTID_CONFIRM);
-        WRITE64(client_state->cl_clientid);
-        WRITEMEM(client_state->cl_confirm.data, sizeof(client_state->cl_confirm.data));
+       __be32 *p;
 
-        return 0;
+       RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE);
+       WRITE32(OP_SETCLIENTID_CONFIRM);
+       WRITE64(client_state->cl_clientid);
+       WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
+       hdr->nops++;
+       hdr->replen += decode_setclientid_confirm_maxsz;
 }
 
-static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args)
+static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        RESERVE_SPACE(4);
        WRITE32(OP_WRITE);
@@ -1257,204 +1468,231 @@ static int encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args
        WRITE32(args->count);
 
        xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
-
-       return 0;
+       hdr->nops++;
+       hdr->replen += decode_write_maxsz;
 }
 
-static int encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid)
+static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
-       RESERVE_SPACE(20);
+       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
 
        WRITE32(OP_DELEGRETURN);
-       WRITEMEM(stateid->data, sizeof(stateid->data));
-       return 0;
+       WRITEMEM(stateid->data, NFS4_STATEID_SIZE);
+       hdr->nops++;
+       hdr->replen += decode_delegreturn_maxsz;
+}
+
+#if defined(CONFIG_NFS_V4_1)
+/* NFSv4.1 operations */
+static void encode_exchange_id(struct xdr_stream *xdr,
+                              struct nfs41_exchange_id_args *args,
+                              struct compound_hdr *hdr)
+{
+       __be32 *p;
+
+       RESERVE_SPACE(4 + sizeof(args->verifier->data));
+       WRITE32(OP_EXCHANGE_ID);
+       WRITEMEM(args->verifier->data, sizeof(args->verifier->data));
+
+       encode_string(xdr, args->id_len, args->id);
+
+       RESERVE_SPACE(12);
+       WRITE32(args->flags);
+       WRITE32(0);     /* zero length state_protect4_a */
+       WRITE32(0);     /* zero length implementation id array */
+       hdr->nops++;
+       hdr->replen += decode_exchange_id_maxsz;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+static void encode_sequence(struct xdr_stream *xdr,
+                           const struct nfs4_sequence_args *args,
+                           struct compound_hdr *hdr)
+{
+#if defined(CONFIG_NFS_V4_1)
+       struct nfs4_session *session = args->sa_session;
+
+       if (!session)
+               return;
 
+       /* stub */
+       hdr->nops++;
+       hdr->replen += decode_sequence_maxsz;
+#endif /* CONFIG_NFS_V4_1 */
 }
+
 /*
  * END OF "GENERIC" ENCODE ROUTINES.
  */
 
+static u32 nfs4_xdr_minorversion(const struct nfs4_sequence_args *args)
+{
+#if defined(CONFIG_NFS_V4_1)
+       if (args->sa_session)
+               return args->sa_session->clp->cl_minorversion;
+#endif /* CONFIG_NFS_V4_1 */
+       return 0;
+}
+
 /*
  * Encode an ACCESS request
  */
-static int nfs4_xdr_enc_access(struct rpc_rqst *req, uint32_t *p, const struct nfs4_accessargs *args)
+static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putfh(&xdr, args->fh)) == 0)
-               status = encode_access(&xdr, args->access);
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_access(&xdr, args->access, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode LOOKUP request
  */
-static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_arg *args)
+static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 4,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
-               goto out;
-       if ((status = encode_lookup(&xdr, args->name)) != 0)
-               goto out;
-       if ((status = encode_getfh(&xdr)) != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->dir_fh, &hdr);
+       encode_lookup(&xdr, args->name, &hdr);
+       encode_getfh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode LOOKUP_ROOT request
  */
-static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, uint32_t *p, const struct nfs4_lookup_root_arg *args)
+static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 3,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putrootfh(&xdr)) != 0)
-               goto out;
-       if ((status = encode_getfh(&xdr)) == 0)
-               status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putrootfh(&xdr, &hdr);
+       encode_getfh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode REMOVE request
  */
-static int nfs4_xdr_enc_remove(struct rpc_rqst *req, uint32_t *p, const struct nfs4_remove_arg *args)
+static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 3,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putfh(&xdr, args->fh)) != 0)
-               goto out;
-       if ((status = encode_remove(&xdr, args->name)) != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_remove(&xdr, &args->name, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode RENAME request
  */
-static int nfs4_xdr_enc_rename(struct rpc_rqst *req, uint32_t *p, const struct nfs4_rename_arg *args)
+static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 7,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putfh(&xdr, args->old_dir)) != 0)
-               goto out;
-       if ((status = encode_savefh(&xdr)) != 0)
-               goto out;
-       if ((status = encode_putfh(&xdr, args->new_dir)) != 0)
-               goto out;
-       if ((status = encode_rename(&xdr, args->old_name, args->new_name)) != 0)
-               goto out;
-       if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
-               goto out;
-       if ((status = encode_restorefh(&xdr)) != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->old_dir, &hdr);
+       encode_savefh(&xdr, &hdr);
+       encode_putfh(&xdr, args->new_dir, &hdr);
+       encode_rename(&xdr, args->old_name, args->new_name, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_restorefh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode LINK request
  */
-static int nfs4_xdr_enc_link(struct rpc_rqst *req, uint32_t *p, const struct nfs4_link_arg *args)
+static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 7,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putfh(&xdr, args->fh)) != 0)
-               goto out;
-       if ((status = encode_savefh(&xdr)) != 0)
-               goto out;
-       if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
-               goto out;
-       if ((status = encode_link(&xdr, args->name)) != 0)
-               goto out;
-       if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
-               goto out;
-       if ((status = encode_restorefh(&xdr)) != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_savefh(&xdr, &hdr);
+       encode_putfh(&xdr, args->dir_fh, &hdr);
+       encode_link(&xdr, args->name, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_restorefh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode CREATE request
  */
-static int nfs4_xdr_enc_create(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
+static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 7,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putfh(&xdr, args->dir_fh)) != 0)
-               goto out;
-       if ((status = encode_savefh(&xdr)) != 0)
-               goto out;
-       if ((status = encode_create(&xdr, args)) != 0)
-               goto out;
-       if ((status = encode_getfh(&xdr)) != 0)
-               goto out;
-       if ((status = encode_getfattr(&xdr, args->bitmask)) != 0)
-               goto out;
-       if ((status = encode_restorefh(&xdr)) != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->dir_fh, &hdr);
+       encode_savefh(&xdr, &hdr);
+       encode_create(&xdr, args, &hdr);
+       encode_getfh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_restorefh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode SYMLINK request
  */
-static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_create_arg *args)
+static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args)
 {
        return nfs4_xdr_enc_create(req, p, args);
 }
@@ -1462,547 +1700,540 @@ static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, uint32_t *p, const struct
 /*
  * Encode GETATTR request
  */
-static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, uint32_t *p, const struct nfs4_getattr_arg *args)
+static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       if ((status = encode_putfh(&xdr, args->fh)) == 0)
-               status = encode_getfattr(&xdr, args->bitmask);
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a CLOSE request
  */
-static int nfs4_xdr_enc_close(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr = {
-                .nops   = 3,
-        };
-        int status;
-
-        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-        encode_compound_hdr(&xdr, &hdr);
-        status = encode_putfh(&xdr, args->fh);
-        if(status)
-                goto out;
-        status = encode_close(&xdr, args);
-       if (status != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-        return status;
+static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+       };
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_close(&xdr, args, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode an OPEN request
  */
-static int nfs4_xdr_enc_open(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
+static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 7,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status)
-               goto out;
-       status = encode_savefh(&xdr);
-       if (status)
-               goto out;
-       status = encode_open(&xdr, args);
-       if (status)
-               goto out;
-       status = encode_getfh(&xdr);
-       if (status)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-       if (status)
-               goto out;
-       status = encode_restorefh(&xdr);
-       if (status)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_savefh(&xdr, &hdr);
+       encode_open(&xdr, args, &hdr);
+       encode_getfh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_restorefh(&xdr, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode an OPEN_CONFIRM request
  */
-static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_open_confirmargs *args)
+static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_open_confirmargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 2,
+               .nops   = 0,
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if(status)
-               goto out;
-       status = encode_open_confirm(&xdr, args);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_open_confirm(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode an OPEN request with no attributes.
  */
-static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, uint32_t *p, struct nfs_openargs *args)
+static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 3,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status)
-               goto out;
-       status = encode_open(&xdr, args);
-       if (status)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_open(&xdr, args, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode an OPEN_DOWNGRADE request
  */
-static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, uint32_t *p, struct nfs_closeargs *args)
+static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 3,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status)
-               goto out;
-       status = encode_open_downgrade(&xdr, args);
-       if (status != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_open_downgrade(&xdr, args, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a LOCK request
  */
-static int nfs4_xdr_enc_lock(struct rpc_rqst *req, uint32_t *p, struct nfs_lock_args *args)
+static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if(status)
-               goto out;
-       status = encode_lock(&xdr, args);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_lock(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a LOCKT request
  */
-static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, uint32_t *p, struct nfs_lockt_args *args)
+static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if(status)
-               goto out;
-       status = encode_lockt(&xdr, args);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_lockt(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a LOCKU request
  */
-static int nfs4_xdr_enc_locku(struct rpc_rqst *req, uint32_t *p, struct nfs_locku_args *args)
+static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if(status)
-               goto out;
-       status = encode_locku(&xdr, args);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_locku(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a READLINK request
  */
-static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readlink *args)
+static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if(status)
-               goto out;
-       status = encode_readlink(&xdr, args, req);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_readlink(&xdr, args, req, &hdr);
+
+       xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages,
+                       args->pgbase, args->pglen);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a READDIR request
  */
-static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, uint32_t *p, const struct nfs4_readdir_arg *args)
+static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if(status)
-               goto out;
-       status = encode_readdir(&xdr, args, req);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_readdir(&xdr, args, req, &hdr);
+
+       xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages,
+                        args->pgbase, args->count);
+       dprintk("%s: inlined page args = (%u, %p, %u, %u)\n",
+                       __func__, hdr.replen << 2, args->pages,
+                       args->pgbase, args->count);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a READ request
  */
-static int nfs4_xdr_enc_read(struct rpc_rqst *req, uint32_t *p, struct nfs_readargs *args)
+static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
 {
-       struct rpc_auth *auth = req->rq_task->tk_auth;
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int replen, status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status)
-               goto out;
-       status = encode_read(&xdr, args);
-       if (status)
-               goto out;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_read(&xdr, args, &hdr);
 
-       /* set up reply kvec
-        *    toplevel status + taglen=0 + rescount + OP_PUTFH + status
-        *       + OP_READ + status + eof + datalen = 9
-        */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_read_sz) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen,
+       xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2,
                         args->pages, args->pgbase, args->count);
-out:
-       return status;
+       req->rq_rcv_buf.flags |= XDRBUF_READ;
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode an SETATTR request
  */
-static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, uint32_t *p, struct nfs_setattrargs *args)
-
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr = {
-                .nops   = 3,
-        };
-        int status;
-
-        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-        encode_compound_hdr(&xdr, &hdr);
-        status = encode_putfh(&xdr, args->fh);
-        if(status)
-                goto out;
-        status = encode_setattr(&xdr, args, args->server);
-        if(status)
-                goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-        return status;
+static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+       };
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_setattr(&xdr, args, args->server, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a GETACL request
  */
 static int
-nfs4_xdr_enc_getacl(struct rpc_rqst *req, uint32_t *p,
+nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p,
                struct nfs_getaclargs *args)
 {
        struct xdr_stream xdr;
-       struct rpc_auth *auth = req->rq_task->tk_auth;
        struct compound_hdr hdr = {
-               .nops   = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int replen, status;
+       uint32_t replen;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status)
-               goto out;
-       status = encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0);
-       /* set up reply buffer: */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen,
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       replen = hdr.replen + nfs4_fattr_bitmap_maxsz + 1;
+       encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr);
+
+       xdr_inline_pages(&req->rq_rcv_buf, replen << 2,
                args->acl_pages, args->acl_pgbase, args->acl_len);
-out:
-       return status;
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * Encode a WRITE request
  */
-static int nfs4_xdr_enc_write(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
+static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 3,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status)
-               goto out;
-       status = encode_write(&xdr, args);
-       if (status)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_write(&xdr, args, &hdr);
+       req->rq_snd_buf.flags |= XDRBUF_WRITE;
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  *  a COMMIT request
  */
-static int nfs4_xdr_enc_commit(struct rpc_rqst *req, uint32_t *p, struct nfs_writeargs *args)
+static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 3,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status)
-               goto out;
-       status = encode_commit(&xdr, args);
-       if (status)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_commit(&xdr, args, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * FSINFO request
  */
-static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs4_fsinfo_arg *args)
+static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (!status)
-               status = encode_fsinfo(&xdr, args->bitmask);
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_fsinfo(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * a PATHCONF request
  */
-static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, uint32_t *p, const struct nfs4_pathconf_arg *args)
+static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (!status)
-               status = encode_getattr_one(&xdr,
-                               args->bitmask[0] & nfs4_pathconf_bitmap[0]);
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_getattr_one(&xdr, args->bitmask[0] & nfs4_pathconf_bitmap[0],
+                          &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * a STATFS request
  */
-static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, uint32_t *p, const struct nfs4_statfs_arg *args)
+static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fh);
-       if (status == 0)
-               status = encode_getattr_two(&xdr,
-                               args->bitmask[0] & nfs4_statfs_bitmap[0],
-                               args->bitmask[1] & nfs4_statfs_bitmap[1]);
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       encode_getattr_two(&xdr, args->bitmask[0] & nfs4_statfs_bitmap[0],
+                          args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * GETATTR_BITMAP request
  */
-static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, uint32_t *p, const struct nfs_fh *fhandle)
+static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p,
+                                   struct nfs4_server_caps_arg *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 2,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, fhandle);
-       if (status == 0)
-               status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
-                               FATTR4_WORD0_LINK_SUPPORT|
-                               FATTR4_WORD0_SYMLINK_SUPPORT|
-                               FATTR4_WORD0_ACLSUPPORT);
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fhandle, &hdr);
+       encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
+                          FATTR4_WORD0_LINK_SUPPORT|
+                          FATTR4_WORD0_SYMLINK_SUPPORT|
+                          FATTR4_WORD0_ACLSUPPORT, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * a RENEW request
  */
-static int nfs4_xdr_enc_renew(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
+static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 1,
+               .nops   = 0,
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       return encode_renew(&xdr, clp);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_renew(&xdr, clp, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * a SETCLIENTID request
  */
-static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, uint32_t *p, struct nfs4_setclientid *sc)
+static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4_setclientid *sc)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 1,
+               .nops   = 0,
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       return encode_setclientid(&xdr, sc);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_setclientid(&xdr, sc, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * a SETCLIENTID_CONFIRM request
  */
-static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs4_client *clp)
+static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_client *clp)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 3,
+               .nops   = 0,
        };
        const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_setclientid_confirm(&xdr, clp);
-       if (!status)
-               status = encode_putrootfh(&xdr);
-       if (!status)
-               status = encode_fsinfo(&xdr, lease_bitmap);
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_setclientid_confirm(&xdr, clp, &hdr);
+       encode_putrootfh(&xdr, &hdr);
+       encode_fsinfo(&xdr, lease_bitmap, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
  * DELEGRETURN request
  */
-static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, uint32_t *p, const struct nfs4_delegreturnargs *args)
+static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 3,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
-       status = encode_putfh(&xdr, args->fhandle);
-       if (status != 0)
-               goto out;
-       status = encode_delegreturn(&xdr, args->stateid);
-       if (status != 0)
-               goto out;
-       status = encode_getfattr(&xdr, args->bitmask);
-out:
-       return status;
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fhandle, &hdr);
+       encode_delegreturn(&xdr, args->stateid, &hdr);
+       encode_getfattr(&xdr, args->bitmask, &hdr);
+       encode_nops(&hdr);
+       return 0;
 }
 
 /*
+ * Encode FS_LOCATIONS request
+ */
+static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+       };
+       uint32_t replen;
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->dir_fh, &hdr);
+       encode_lookup(&xdr, args->name, &hdr);
+       replen = hdr.replen;    /* get the attribute into args->page */
+       encode_fs_locations(&xdr, args->bitmask, &hdr);
+
+       xdr_inline_pages(&req->rq_rcv_buf, replen << 2, &args->page,
+                       0, PAGE_SIZE);
+       encode_nops(&hdr);
+       return 0;
+}
+
+#if defined(CONFIG_NFS_V4_1)
+/*
+ * EXCHANGE_ID request
+ */
+static int nfs4_xdr_enc_exchange_id(struct rpc_rqst *req, uint32_t *p,
+                                   struct nfs41_exchange_id_args *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = args->client->cl_minorversion,
+       };
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_exchange_id(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return 0;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+/*
  * START OF "GENERIC" DECODE ROUTINES.
  *   These may look a little ugly since they are imported from a "generic"
  * set of XDR encode/decode routines which are intended to be shared by
@@ -2029,16 +2260,18 @@ out:
 
 #define READ_BUF(nbytes)  do { \
        p = xdr_inline_decode(xdr, nbytes); \
-       if (!p) { \
-               printk(KERN_WARNING "%s: reply buffer overflowed in line %d.", \
-                               __FUNCTION__, __LINE__); \
+       if (unlikely(!p)) { \
+               dprintk("nfs: %s: prematurely hit end of receive" \
+                               " buffer\n", __func__); \
+               dprintk("nfs: %s: xdr->p=%p, bytes=%u, xdr->end=%p\n", \
+                               __func__, xdr->p, nbytes, xdr->end); \
                return -EIO; \
        } \
 } while (0)
 
-static int decode_opaque_inline(struct xdr_stream *xdr, uint32_t *len, char **string)
+static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string)
 {
-       uint32_t *p;
+       __be32 *p;
 
        READ_BUF(4);
        READ32(*len);
@@ -2049,45 +2282,46 @@ static int decode_opaque_inline(struct xdr_stream *xdr, uint32_t *len, char **st
 
 static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
-       uint32_t *p;
+       __be32 *p;
 
        READ_BUF(8);
        READ32(hdr->status);
        READ32(hdr->taglen);
-       
+
        READ_BUF(hdr->taglen + 4);
        hdr->tag = (char *)p;
        p += XDR_QUADLEN(hdr->taglen);
        READ32(hdr->nops);
+       if (unlikely(hdr->nops < 1))
+               return nfs4_stat_to_errno(hdr->status);
        return 0;
 }
 
 static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
 {
-       uint32_t *p;
+       __be32 *p;
        uint32_t opnum;
        int32_t nfserr;
 
        READ_BUF(8);
        READ32(opnum);
        if (opnum != expected) {
-               printk(KERN_NOTICE
-                               "nfs4_decode_op_hdr: Server returned operation"
-                               " %d but we issued a request for %d\n",
+               dprintk("nfs: Server returned operation"
+                       " %d but we issued a request for %d\n",
                                opnum, expected);
                return -EIO;
        }
        READ32(nfserr);
        if (nfserr != NFS_OK)
-               return -nfs_stat_to_errno(nfserr);
+               return nfs4_stat_to_errno(nfserr);
        return 0;
 }
 
 /* Dummy routine */
-static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs4_client *clp)
+static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp)
 {
-       uint32_t *p;
-       uint32_t strlen;
+       __be32 *p;
+       unsigned int strlen;
        char *str;
 
        READ_BUF(12);
@@ -2096,7 +2330,8 @@ static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs4_client *clp
 
 static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
 {
-       uint32_t bmlen, *p;
+       uint32_t bmlen;
+       __be32 *p;
 
        READ_BUF(4);
        READ32(bmlen);
@@ -2111,9 +2346,9 @@ static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
        return 0;
 }
 
-static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, uint32_t **savep)
+static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep)
 {
-       uint32_t *p;
+       __be32 *p;
 
        READ_BUF(4);
        READ32(*attrlen);
@@ -2128,13 +2363,14 @@ static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint3
                bitmap[0] &= ~FATTR4_WORD0_SUPPORTED_ATTRS;
        } else
                bitmask[0] = bitmask[1] = 0;
-       dprintk("%s: bitmask=0x%x%x\n", __FUNCTION__, bitmask[0], bitmask[1]);
+       dprintk("%s: bitmask=%08x:%08x\n", __func__, bitmask[0], bitmask[1]);
        return 0;
 }
 
 static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *type)
 {
-       uint32_t *p;
+       __be32 *p;
+       int ret = 0;
 
        *type = 0;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
@@ -2143,18 +2379,20 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *
                READ_BUF(4);
                READ32(*type);
                if (*type < NF4REG || *type > NF4NAMEDATTR) {
-                       dprintk("%s: bad type %d\n", __FUNCTION__, *type);
+                       dprintk("%s: bad type %d\n", __func__, *type);
                        return -EIO;
                }
                bitmap[0] &= ~FATTR4_WORD0_TYPE;
+               ret = NFS_ATTR_FATTR_TYPE;
        }
-       dprintk("%s: type=0%o\n", __FUNCTION__, nfs_type2fmt[*type].nfs2type);
-       return 0;
+       dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]);
+       return ret;
 }
 
 static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
 {
-       uint32_t *p;
+       __be32 *p;
+       int ret = 0;
 
        *change = 0;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
@@ -2163,15 +2401,17 @@ static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t
                READ_BUF(8);
                READ64(*change);
                bitmap[0] &= ~FATTR4_WORD0_CHANGE;
+               ret = NFS_ATTR_FATTR_CHANGE;
        }
-       dprintk("%s: change attribute=%Lu\n", __FUNCTION__,
+       dprintk("%s: change attribute=%Lu\n", __func__,
                        (unsigned long long)*change);
-       return 0;
+       return ret;
 }
 
 static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
 {
-       uint32_t *p;
+       __be32 *p;
+       int ret = 0;
 
        *size = 0;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
@@ -2180,14 +2420,15 @@ static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *
                READ_BUF(8);
                READ64(*size);
                bitmap[0] &= ~FATTR4_WORD0_SIZE;
+               ret = NFS_ATTR_FATTR_SIZE;
        }
-       dprintk("%s: file size=%Lu\n", __FUNCTION__, (unsigned long long)*size);
-       return 0;
+       dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size);
+       return ret;
 }
 
 static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
 
        *res = 0;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U)))
@@ -2197,13 +2438,13 @@ static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, ui
                READ32(*res);
                bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
        }
-       dprintk("%s: link support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
+       dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true");
        return 0;
 }
 
 static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
 
        *res = 0;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U)))
@@ -2213,13 +2454,14 @@ static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap,
                READ32(*res);
                bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
        }
-       dprintk("%s: symlink support=%s\n", __FUNCTION__, *res == 0 ? "false" : "true");
+       dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true");
        return 0;
 }
 
 static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid)
 {
-       uint32_t *p;
+       __be32 *p;
+       int ret = 0;
 
        fsid->major = 0;
        fsid->minor = 0;
@@ -2230,16 +2472,17 @@ static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs
                READ64(fsid->major);
                READ64(fsid->minor);
                bitmap[0] &= ~FATTR4_WORD0_FSID;
+               ret = NFS_ATTR_FATTR_FSID;
        }
-       dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __FUNCTION__,
+       dprintk("%s: fsid=(0x%Lx/0x%Lx)\n", __func__,
                        (unsigned long long)fsid->major,
                        (unsigned long long)fsid->minor);
-       return 0;
+       return ret;
 }
 
 static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
 
        *res = 60;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U)))
@@ -2249,13 +2492,13 @@ static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint
                READ32(*res);
                bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
        }
-       dprintk("%s: file size=%u\n", __FUNCTION__, (unsigned int)*res);
+       dprintk("%s: file size=%u\n", __func__, (unsigned int)*res);
        return 0;
 }
 
 static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
 
        *res = ACL4_SUPPORT_ALLOW_ACL|ACL4_SUPPORT_DENY_ACL;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
@@ -2265,13 +2508,14 @@ static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint
                READ32(*res);
                bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
        }
-       dprintk("%s: ACLs supported=%u\n", __FUNCTION__, (unsigned int)*res);
+       dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res);
        return 0;
 }
 
 static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
 {
-       uint32_t *p;
+       __be32 *p;
+       int ret = 0;
 
        *fileid = 0;
        if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
@@ -2280,14 +2524,33 @@ static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t
                READ_BUF(8);
                READ64(*fileid);
                bitmap[0] &= ~FATTR4_WORD0_FILEID;
+               ret = NFS_ATTR_FATTR_FILEID;
        }
-       dprintk("%s: fileid=%Lu\n", __FUNCTION__, (unsigned long long)*fileid);
-       return 0;
+       dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
+       return ret;
+}
+
+static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
+{
+       __be32 *p;
+       int ret = 0;
+
+       *fileid = 0;
+       if (unlikely(bitmap[1] & (FATTR4_WORD1_MOUNTED_ON_FILEID - 1U)))
+               return -EIO;
+       if (likely(bitmap[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)) {
+               READ_BUF(8);
+               READ64(*fileid);
+               bitmap[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
+               ret = NFS_ATTR_FATTR_FILEID;
+       }
+       dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
+       return ret;
 }
 
 static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 0;
@@ -2298,13 +2561,13 @@ static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin
                READ64(*res);
                bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
        }
-       dprintk("%s: files avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+       dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res);
        return status;
 }
 
 static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 0;
@@ -2315,13 +2578,13 @@ static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint
                READ64(*res);
                bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
        }
-       dprintk("%s: files free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+       dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res);
        return status;
 }
 
 static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 0;
@@ -2332,13 +2595,125 @@ static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uin
                READ64(*res);
                bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
        }
-       dprintk("%s: files total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+       dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res);
+       return status;
+}
+
+static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path)
+{
+       u32 n;
+       __be32 *p;
+       int status = 0;
+
+       READ_BUF(4);
+       READ32(n);
+       if (n == 0)
+               goto root_path;
+       dprintk("path ");
+       path->ncomponents = 0;
+       while (path->ncomponents < n) {
+               struct nfs4_string *component = &path->components[path->ncomponents];
+               status = decode_opaque_inline(xdr, &component->len, &component->data);
+               if (unlikely(status != 0))
+                       goto out_eio;
+               if (path->ncomponents != n)
+                       dprintk("/");
+               dprintk("%s", component->data);
+               if (path->ncomponents < NFS4_PATHNAME_MAXCOMPONENTS)
+                       path->ncomponents++;
+               else {
+                       dprintk("cannot parse %d components in path\n", n);
+                       goto out_eio;
+               }
+       }
+out:
+       dprintk("\n");
+       return status;
+root_path:
+/* a root pathname is sent as a zero component4 */
+       path->ncomponents = 1;
+       path->components[0].len=0;
+       path->components[0].data=NULL;
+       dprintk("path /\n");
+       goto out;
+out_eio:
+       dprintk(" status %d", status);
+       status = -EIO;
+       goto out;
+}
+
+static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res)
+{
+       int n;
+       __be32 *p;
+       int status = -EIO;
+
+       if (unlikely(bitmap[0] & (FATTR4_WORD0_FS_LOCATIONS -1U)))
+               goto out;
+       status = 0;
+       if (unlikely(!(bitmap[0] & FATTR4_WORD0_FS_LOCATIONS)))
+               goto out;
+       dprintk("%s: fsroot ", __func__);
+       status = decode_pathname(xdr, &res->fs_path);
+       if (unlikely(status != 0))
+               goto out;
+       READ_BUF(4);
+       READ32(n);
+       if (n <= 0)
+               goto out_eio;
+       res->nlocations = 0;
+       while (res->nlocations < n) {
+               u32 m;
+               struct nfs4_fs_location *loc = &res->locations[res->nlocations];
+
+               READ_BUF(4);
+               READ32(m);
+
+               loc->nservers = 0;
+               dprintk("%s: servers ", __func__);
+               while (loc->nservers < m) {
+                       struct nfs4_string *server = &loc->servers[loc->nservers];
+                       status = decode_opaque_inline(xdr, &server->len, &server->data);
+                       if (unlikely(status != 0))
+                               goto out_eio;
+                       dprintk("%s ", server->data);
+                       if (loc->nservers < NFS4_FS_LOCATION_MAXSERVERS)
+                               loc->nservers++;
+                       else {
+                               unsigned int i;
+                               dprintk("%s: using first %u of %u servers "
+                                       "returned for location %u\n",
+                                               __func__,
+                                               NFS4_FS_LOCATION_MAXSERVERS,
+                                               m, res->nlocations);
+                               for (i = loc->nservers; i < m; i++) {
+                                       unsigned int len;
+                                       char *data;
+                                       status = decode_opaque_inline(xdr, &len, &data);
+                                       if (unlikely(status != 0))
+                                               goto out_eio;
+                               }
+                       }
+               }
+               status = decode_pathname(xdr, &loc->rootpath);
+               if (unlikely(status != 0))
+                       goto out_eio;
+               if (res->nlocations < NFS4_FS_LOCATIONS_MAXENTRIES)
+                       res->nlocations++;
+       }
+       if (res->nlocations != 0)
+               status = NFS_ATTR_FATTR_V4_REFERRAL;
+out:
+       dprintk("%s: fs_locations done, error = %d\n", __func__, status);
        return status;
+out_eio:
+       status = -EIO;
+       goto out;
 }
 
 static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 0;
@@ -2349,13 +2724,13 @@ static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uin
                READ64(*res);
                bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
        }
-       dprintk("%s: maxfilesize=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+       dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res);
        return status;
 }
 
 static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *maxlink = 1;
@@ -2366,13 +2741,13 @@ static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
                READ32(*maxlink);
                bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
        }
-       dprintk("%s: maxlink=%u\n", __FUNCTION__, *maxlink);
+       dprintk("%s: maxlink=%u\n", __func__, *maxlink);
        return status;
 }
 
 static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *maxname = 1024;
@@ -2383,13 +2758,13 @@ static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
                READ32(*maxname);
                bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
        }
-       dprintk("%s: maxname=%u\n", __FUNCTION__, *maxname);
+       dprintk("%s: maxname=%u\n", __func__, *maxname);
        return status;
 }
 
 static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 1024;
@@ -2404,13 +2779,13 @@ static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
                *res = (uint32_t)maxread;
                bitmap[0] &= ~FATTR4_WORD0_MAXREAD;
        }
-       dprintk("%s: maxread=%lu\n", __FUNCTION__, (unsigned long)*res);
+       dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res);
        return status;
 }
 
 static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 1024;
@@ -2425,30 +2800,34 @@ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32
                *res = (uint32_t)maxwrite;
                bitmap[0] &= ~FATTR4_WORD0_MAXWRITE;
        }
-       dprintk("%s: maxwrite=%lu\n", __FUNCTION__, (unsigned long)*res);
+       dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res);
        return status;
 }
 
-static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *mode)
+static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode)
 {
-       uint32_t *p;
+       uint32_t tmp;
+       __be32 *p;
+       int ret = 0;
 
        *mode = 0;
        if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
                READ_BUF(4);
-               READ32(*mode);
-               *mode &= ~S_IFMT;
+               READ32(tmp);
+               *mode = tmp & ~S_IFMT;
                bitmap[1] &= ~FATTR4_WORD1_MODE;
+               ret = NFS_ATTR_FATTR_MODE;
        }
-       dprintk("%s: file mode=0%o\n", __FUNCTION__, (unsigned int)*mode);
-       return 0;
+       dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode);
+       return ret;
 }
 
 static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
 {
-       uint32_t *p;
+       __be32 *p;
+       int ret = 0;
 
        *nlink = 1;
        if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
@@ -2457,14 +2836,17 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t
                READ_BUF(4);
                READ32(*nlink);
                bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
+               ret = NFS_ATTR_FATTR_NLINK;
        }
-       dprintk("%s: nlink=%u\n", __FUNCTION__, (unsigned int)*nlink);
-       return 0;
+       dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink);
+       return ret;
 }
 
-static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *uid)
+static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid)
 {
-       uint32_t len, *p;
+       uint32_t len;
+       __be32 *p;
+       int ret = 0;
 
        *uid = -2;
        if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
@@ -2474,21 +2856,25 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
                READ32(len);
                READ_BUF(len);
                if (len < XDR_MAX_NETOBJ) {
-                       if (nfs_map_name_to_uid(clp, (char *)p, len, uid) != 0)
+                       if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
+                               ret = NFS_ATTR_FATTR_OWNER;
+                       else
                                dprintk("%s: nfs_map_name_to_uid failed!\n",
-                                               __FUNCTION__);
+                                               __func__);
                } else
-                       printk(KERN_WARNING "%s: name too long (%u)!\n",
-                                       __FUNCTION__, len);
+                       dprintk("%s: name too long (%u)!\n",
+                                       __func__, len);
                bitmap[1] &= ~FATTR4_WORD1_OWNER;
        }
-       dprintk("%s: uid=%d\n", __FUNCTION__, (int)*uid);
-       return 0;
+       dprintk("%s: uid=%d\n", __func__, (int)*uid);
+       return ret;
 }
 
-static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_client *clp, int32_t *gid)
+static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid)
 {
-       uint32_t len, *p;
+       uint32_t len;
+       __be32 *p;
+       int ret = 0;
 
        *gid = -2;
        if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
@@ -2498,21 +2884,25 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
                READ32(len);
                READ_BUF(len);
                if (len < XDR_MAX_NETOBJ) {
-                       if (nfs_map_group_to_gid(clp, (char *)p, len, gid) != 0)
+                       if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
+                               ret = NFS_ATTR_FATTR_GROUP;
+                       else
                                dprintk("%s: nfs_map_group_to_gid failed!\n",
-                                               __FUNCTION__);
+                                               __func__);
                } else
-                       printk(KERN_WARNING "%s: name too long (%u)!\n",
-                                       __FUNCTION__, len);
+                       dprintk("%s: name too long (%u)!\n",
+                                       __func__, len);
                bitmap[1] &= ~FATTR4_WORD1_OWNER_GROUP;
        }
-       dprintk("%s: gid=%d\n", __FUNCTION__, (int)*gid);
-       return 0;
+       dprintk("%s: gid=%d\n", __func__, (int)*gid);
+       return ret;
 }
 
 static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
 {
-       uint32_t major = 0, minor = 0, *p;
+       uint32_t major = 0, minor = 0;
+       __be32 *p;
+       int ret = 0;
 
        *rdev = MKDEV(0,0);
        if (unlikely(bitmap[1] & (FATTR4_WORD1_RAWDEV - 1U)))
@@ -2527,14 +2917,15 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde
                if (MAJOR(tmp) == major && MINOR(tmp) == minor)
                        *rdev = tmp;
                bitmap[1] &= ~ FATTR4_WORD1_RAWDEV;
+               ret = NFS_ATTR_FATTR_RDEV;
        }
-       dprintk("%s: rdev=(0x%x:0x%x)\n", __FUNCTION__, major, minor);
-       return 0;
+       dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor);
+       return ret;
 }
 
 static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 0;
@@ -2545,13 +2936,13 @@ static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin
                READ64(*res);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
        }
-       dprintk("%s: space avail=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+       dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res);
        return status;
 }
 
 static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 0;
@@ -2562,13 +2953,13 @@ static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint
                READ64(*res);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
        }
-       dprintk("%s: space free=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+       dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res);
        return status;
 }
 
 static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status = 0;
 
        *res = 0;
@@ -2579,13 +2970,14 @@ static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uin
                READ64(*res);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
        }
-       dprintk("%s: space total=%Lu\n", __FUNCTION__, (unsigned long long)*res);
+       dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res);
        return status;
 }
 
 static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
 {
-       uint32_t *p;
+       __be32 *p;
+       int ret = 0;
 
        *used = 0;
        if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
@@ -2594,15 +2986,16 @@ static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint
                READ_BUF(8);
                READ64(*used);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
+               ret = NFS_ATTR_FATTR_SPACE_USED;
        }
-       dprintk("%s: space used=%Lu\n", __FUNCTION__,
+       dprintk("%s: space used=%Lu\n", __func__,
                        (unsigned long long)*used);
-       return 0;
+       return ret;
 }
 
 static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
 {
-       uint32_t *p;
+       __be32 *p;
        uint64_t sec;
        uint32_t nsec;
 
@@ -2624,9 +3017,11 @@ static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, str
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_TIME_ACCESS)) {
                status = decode_attr_time(xdr, time);
+               if (status == 0)
+                       status = NFS_ATTR_FATTR_ATIME;
                bitmap[1] &= ~FATTR4_WORD1_TIME_ACCESS;
        }
-       dprintk("%s: atime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+       dprintk("%s: atime=%ld\n", __func__, (long)time->tv_sec);
        return status;
 }
 
@@ -2640,9 +3035,11 @@ static int decode_attr_time_metadata(struct xdr_stream *xdr, uint32_t *bitmap, s
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_TIME_METADATA)) {
                status = decode_attr_time(xdr, time);
+               if (status == 0)
+                       status = NFS_ATTR_FATTR_CTIME;
                bitmap[1] &= ~FATTR4_WORD1_TIME_METADATA;
        }
-       dprintk("%s: ctime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+       dprintk("%s: ctime=%ld\n", __func__, (long)time->tv_sec);
        return status;
 }
 
@@ -2656,20 +3053,23 @@ static int decode_attr_time_modify(struct xdr_stream *xdr, uint32_t *bitmap, str
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_TIME_MODIFY)) {
                status = decode_attr_time(xdr, time);
+               if (status == 0)
+                       status = NFS_ATTR_FATTR_MTIME;
                bitmap[1] &= ~FATTR4_WORD1_TIME_MODIFY;
        }
-       dprintk("%s: mtime=%ld\n", __FUNCTION__, (long)time->tv_sec);
+       dprintk("%s: mtime=%ld\n", __func__, (long)time->tv_sec);
        return status;
 }
 
-static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t attrlen)
+static int verify_attr_len(struct xdr_stream *xdr, __be32 *savep, uint32_t attrlen)
 {
        unsigned int attrwords = XDR_QUADLEN(attrlen);
        unsigned int nwords = xdr->p - savep;
 
        if (unlikely(attrwords != nwords)) {
-               printk(KERN_WARNING "%s: server returned incorrect attribute length: %u %c %u\n",
-                               __FUNCTION__,
+               dprintk("%s: server returned incorrect attribute length: "
+                       "%u %c %u\n",
+                               __func__,
                                attrwords << 2,
                                (attrwords < nwords) ? '<' : '>',
                                nwords << 2);
@@ -2680,7 +3080,7 @@ static int verify_attr_len(struct xdr_stream *xdr, uint32_t *savep, uint32_t att
 
 static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
 {
-       uint32_t *p;
+       __be32 *p;
 
        READ_BUF(20);
        READ32(cinfo->atomic);
@@ -2691,7 +3091,7 @@ static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *c
 
 static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
 {
-       uint32_t *p;
+       __be32 *p;
        uint32_t supp, acc;
        int status;
 
@@ -2708,20 +3108,22 @@ static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
 
 static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_CLOSE);
+       if (status != -EIO)
+               nfs_increment_open_seqid(status, res->seqid);
        if (status)
                return status;
-       READ_BUF(sizeof(res->stateid.data));
-       COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+       READ_BUF(NFS4_STATEID_SIZE);
+       COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
        return 0;
 }
 
 static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_COMMIT);
@@ -2734,7 +3136,7 @@ static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
 
 static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
 {
-       uint32_t *p;
+       __be32 *p;
        uint32_t bmlen;
        int status;
 
@@ -2751,9 +3153,8 @@ static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
 
 static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res)
 {
-       uint32_t *savep;
-       uint32_t attrlen, 
-                bitmap[2] = {0};
+       __be32 *savep;
+       uint32_t attrlen, bitmap[2] = {0};
        int status;
 
        if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
@@ -2772,17 +3173,16 @@ static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_re
                goto xdr_error;
        status = verify_attr_len(xdr, savep, attrlen);
 xdr_error:
-       dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+       dprintk("%s: xdr returned %d!\n", __func__, -status);
        return status;
 }
-       
+
 static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
 {
-       uint32_t *savep;
-       uint32_t attrlen, 
-                bitmap[2] = {0};
+       __be32 *savep;
+       uint32_t attrlen, bitmap[2] = {0};
        int status;
-       
+
        if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
                goto xdr_error;
        if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
@@ -2805,17 +3205,16 @@ static int decode_statfs(struct xdr_stream *xdr, struct nfs_fsstat *fsstat)
 
        status = verify_attr_len(xdr, savep, attrlen);
 xdr_error:
-       dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+       dprintk("%s: xdr returned %d!\n", __func__, -status);
        return status;
 }
 
 static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf)
 {
-       uint32_t *savep;
-       uint32_t attrlen, 
-                bitmap[2] = {0};
+       __be32 *savep;
+       uint32_t attrlen, bitmap[2] = {0};
        int status;
-       
+
        if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
                goto xdr_error;
        if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
@@ -2830,73 +3229,135 @@ static int decode_pathconf(struct xdr_stream *xdr, struct nfs_pathconf *pathconf
 
        status = verify_attr_len(xdr, savep, attrlen);
 xdr_error:
-       dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+       dprintk("%s: xdr returned %d!\n", __func__, -status);
        return status;
 }
 
 static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server)
 {
-       uint32_t *savep;
+       __be32 *savep;
        uint32_t attrlen,
                 bitmap[2] = {0},
                 type;
-       int status, fmode = 0;
+       int status;
+       umode_t fmode = 0;
+       uint64_t fileid;
 
-       if ((status = decode_op_hdr(xdr, OP_GETATTR)) != 0)
+       status = decode_op_hdr(xdr, OP_GETATTR);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_bitmap(xdr, bitmap)) != 0)
+
+       status = decode_attr_bitmap(xdr, bitmap);
+       if (status < 0)
                goto xdr_error;
 
-       fattr->bitmap[0] = bitmap[0];
-       fattr->bitmap[1] = bitmap[1];
+       status = decode_attr_length(xdr, &attrlen, &savep);
+       if (status < 0)
+               goto xdr_error;
 
-       if ((status = decode_attr_length(xdr, &attrlen, &savep)) != 0)
+
+       status = decode_attr_type(xdr, bitmap, &type);
+       if (status < 0)
                goto xdr_error;
+       fattr->mode = 0;
+       if (status != 0) {
+               fattr->mode |= nfs_type2fmt[type];
+               fattr->valid |= status;
+       }
 
+       status = decode_attr_change(xdr, bitmap, &fattr->change_attr);
+       if (status < 0)
+               goto xdr_error;
+       fattr->valid |= status;
 
-       if ((status = decode_attr_type(xdr, bitmap, &type)) != 0)
+       status = decode_attr_size(xdr, bitmap, &fattr->size);
+       if (status < 0)
                goto xdr_error;
-       fattr->type = nfs_type2fmt[type].nfs2type;
-       fmode = nfs_type2fmt[type].mode;
+       fattr->valid |= status;
 
-       if ((status = decode_attr_change(xdr, bitmap, &fattr->change_attr)) != 0)
+       status = decode_attr_fsid(xdr, bitmap, &fattr->fsid);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_size(xdr, bitmap, &fattr->size)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_fileid(xdr, bitmap, &fattr->fileid);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_fsid(xdr, bitmap, &fattr->fsid)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_fs_locations(xdr, bitmap, container_of(fattr,
+                                               struct nfs4_fs_locations,
+                                               fattr));
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_fileid(xdr, bitmap, &fattr->fileid)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_mode(xdr, bitmap, &fmode);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_mode(xdr, bitmap, &fattr->mode)) != 0)
+       if (status != 0) {
+               fattr->mode |= fmode;
+               fattr->valid |= status;
+       }
+
+       status = decode_attr_nlink(xdr, bitmap, &fattr->nlink);
+       if (status < 0)
                goto xdr_error;
-       fattr->mode |= fmode;
-       if ((status = decode_attr_nlink(xdr, bitmap, &fattr->nlink)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_owner(xdr, bitmap, server->nfs4_state, &fattr->uid)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_group(xdr, bitmap, server->nfs4_state, &fattr->gid)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_rdev(xdr, bitmap, &fattr->rdev);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_rdev(xdr, bitmap, &fattr->rdev)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_space_used(xdr, bitmap, &fattr->du.nfs3.used)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_time_access(xdr, bitmap, &fattr->atime);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_time_access(xdr, bitmap, &fattr->atime)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_time_metadata(xdr, bitmap, &fattr->ctime)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime);
+       if (status < 0)
                goto xdr_error;
-       if ((status = decode_attr_time_modify(xdr, bitmap, &fattr->mtime)) != 0)
+       fattr->valid |= status;
+
+       status = decode_attr_mounted_on_fileid(xdr, bitmap, &fileid);
+       if (status < 0)
                goto xdr_error;
-       if ((status = verify_attr_len(xdr, savep, attrlen)) == 0)
-               fattr->valid = NFS_ATTR_FATTR | NFS_ATTR_FATTR_V3 | NFS_ATTR_FATTR_V4;
+       if (status != 0 && !(fattr->valid & status)) {
+               fattr->fileid = fileid;
+               fattr->valid |= status;
+       }
+
+       status = verify_attr_len(xdr, savep, attrlen);
 xdr_error:
-       dprintk("%s: xdr returned %d\n", __FUNCTION__, -status);
+       dprintk("%s: xdr returned %d\n", __func__, -status);
        return status;
 }
 
 
 static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
 {
-       uint32_t *savep;
+       __be32 *savep;
        uint32_t attrlen, bitmap[2];
        int status;
 
@@ -2922,21 +3383,22 @@ static int decode_fsinfo(struct xdr_stream *xdr, struct nfs_fsinfo *fsinfo)
 
        status = verify_attr_len(xdr, savep, attrlen);
 xdr_error:
-       dprintk("%s: xdr returned %d!\n", __FUNCTION__, -status);
+       dprintk("%s: xdr returned %d!\n", __func__, -status);
        return status;
 }
 
 static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
 {
-       uint32_t *p;
+       __be32 *p;
        uint32_t len;
        int status;
 
+       /* Zero handle first to allow comparisons */
+       memset(fh, 0, sizeof(*fh));
+
        status = decode_op_hdr(xdr, OP_GETFH);
        if (status)
                return status;
-       /* Zero handle first to allow comparisons */
-       memset(fh, 0, sizeof(*fh));
 
        READ_BUF(4);
        READ32(len);
@@ -2951,7 +3413,7 @@ static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
 static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
 {
        int status;
-       
+
        status = decode_op_hdr(xdr, OP_LINK);
        if (status)
                return status;
@@ -2964,7 +3426,7 @@ static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
 static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
 {
        uint64_t offset, length, clientid;
-       uint32_t *p;
+       __be32 *p;
        uint32_t namelen, type;
 
        READ_BUF(32);
@@ -2989,15 +3451,21 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
 
 static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_LOCK);
+       if (status == -EIO)
+               goto out;
        if (status == 0) {
-               READ_BUF(sizeof(res->stateid.data));
-               COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+               READ_BUF(NFS4_STATEID_SIZE);
+               COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
        } else if (status == -NFS4ERR_DENIED)
-               return decode_lock_denied(xdr, NULL);
+               status = decode_lock_denied(xdr, NULL);
+       if (res->open_seqid != NULL)
+               nfs_increment_open_seqid(status, res->open_seqid);
+       nfs_increment_lock_seqid(status, res->lock_seqid);
+out:
        return status;
 }
 
@@ -3012,13 +3480,15 @@ static int decode_lockt(struct xdr_stream *xdr, struct nfs_lockt_res *res)
 
 static int decode_locku(struct xdr_stream *xdr, struct nfs_locku_res *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_LOCKU);
+       if (status != -EIO)
+               nfs_increment_lock_seqid(status, res->seqid);
        if (status == 0) {
-               READ_BUF(sizeof(res->stateid.data));
-               COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+               READ_BUF(NFS4_STATEID_SIZE);
+               COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
        }
        return status;
 }
@@ -3031,27 +3501,27 @@ static int decode_lookup(struct xdr_stream *xdr)
 /* This is too sick! */
 static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
 {
-        uint32_t *p;
+       __be32 *p;
        uint32_t limit_type, nblocks, blocksize;
 
        READ_BUF(12);
        READ32(limit_type);
        switch (limit_type) {
-               case 1:
-                       READ64(*maxsize);
-                       break;
-               case 2:
-                       READ32(nblocks);
-                       READ32(blocksize);
-                       *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
+       case 1:
+               READ64(*maxsize);
+               break;
+       case 2:
+               READ32(nblocks);
+               READ32(blocksize);
+               *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
        }
        return 0;
 }
 
 static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
 {
-        uint32_t *p;
-        uint32_t delegation_type;
+       __be32 *p;
+       uint32_t delegation_type;
 
        READ_BUF(4);
        READ32(delegation_type);
@@ -3059,72 +3529,84 @@ static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
                res->delegation_type = 0;
                return 0;
        }
-       READ_BUF(20);
-       COPYMEM(res->delegation.data, sizeof(res->delegation.data));
+       READ_BUF(NFS4_STATEID_SIZE+4);
+       COPYMEM(res->delegation.data, NFS4_STATEID_SIZE);
        READ32(res->do_recall);
+
        switch (delegation_type) {
-               case NFS4_OPEN_DELEGATE_READ:
-                       res->delegation_type = FMODE_READ;
-                       break;
-               case NFS4_OPEN_DELEGATE_WRITE:
-                       res->delegation_type = FMODE_WRITE|FMODE_READ;
-                       if (decode_space_limit(xdr, &res->maxsize) < 0)
+       case NFS4_OPEN_DELEGATE_READ:
+               res->delegation_type = FMODE_READ;
+               break;
+       case NFS4_OPEN_DELEGATE_WRITE:
+               res->delegation_type = FMODE_WRITE|FMODE_READ;
+               if (decode_space_limit(xdr, &res->maxsize) < 0)
                                return -EIO;
        }
-       return decode_ace(xdr, NULL, res->server->nfs4_state);
+       return decode_ace(xdr, NULL, res->server->nfs_client);
 }
 
 static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
 {
-        uint32_t *p;
-        uint32_t bmlen;
-        int status;
+       __be32 *p;
+       uint32_t savewords, bmlen, i;
+       int status;
+
+       status = decode_op_hdr(xdr, OP_OPEN);
+       if (status != -EIO)
+               nfs_increment_open_seqid(status, res->seqid);
+       if (status)
+               return status;
+       READ_BUF(NFS4_STATEID_SIZE);
+       COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
 
-        status = decode_op_hdr(xdr, OP_OPEN);
-        if (status)
-                return status;
-        READ_BUF(sizeof(res->stateid.data));
-        COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+       decode_change_info(xdr, &res->cinfo);
 
-        decode_change_info(xdr, &res->cinfo);
+       READ_BUF(8);
+       READ32(res->rflags);
+       READ32(bmlen);
+       if (bmlen > 10)
+               goto xdr_error;
 
-        READ_BUF(8);
-        READ32(res->rflags);
-        READ32(bmlen);
-        if (bmlen > 10)
-                goto xdr_error;
+       READ_BUF(bmlen << 2);
+       savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE);
+       for (i = 0; i < savewords; ++i)
+               READ32(res->attrset[i]);
+       for (; i < NFS4_BITMAP_SIZE; i++)
+               res->attrset[i] = 0;
 
-        READ_BUF(bmlen << 2);
-        p += bmlen;
        return decode_delegation(xdr, res);
 xdr_error:
-       dprintk("%s: Bitmap too large! Length = %u\n", __FUNCTION__, bmlen);
+       dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen);
        return -EIO;
 }
 
 static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
 {
-        uint32_t *p;
+       __be32 *p;
        int status;
 
-        status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
-        if (status)
-                return status;
-        READ_BUF(sizeof(res->stateid.data));
-        COPYMEM(res->stateid.data, sizeof(res->stateid.data));
-        return 0;
+       status = decode_op_hdr(xdr, OP_OPEN_CONFIRM);
+       if (status != -EIO)
+               nfs_increment_open_seqid(status, res->seqid);
+       if (status)
+               return status;
+       READ_BUF(NFS4_STATEID_SIZE);
+       COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
+       return 0;
 }
 
 static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_OPEN_DOWNGRADE);
+       if (status != -EIO)
+               nfs_increment_open_seqid(status, res->seqid);
        if (status)
                return status;
-       READ_BUF(sizeof(res->stateid.data));
-       COPYMEM(res->stateid.data, sizeof(res->stateid.data));
+       READ_BUF(NFS4_STATEID_SIZE);
+       COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
        return 0;
 }
 
@@ -3141,7 +3623,7 @@ static int decode_putrootfh(struct xdr_stream *xdr)
 static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_readres *res)
 {
        struct kvec *iov = req->rq_rcv_buf.head;
-       uint32_t *p;
+       __be32 *p;
        uint32_t count, eof, recvd, hdrlen;
        int status;
 
@@ -3154,7 +3636,7 @@ static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_
        hdrlen = (u8 *) p - (u8 *) iov->iov_base;
        recvd = req->rq_rcv_buf.len - hdrlen;
        if (count > recvd) {
-               printk(KERN_WARNING "NFS: server cheating in read reply: "
+               dprintk("NFS: server cheating in read reply: "
                                "count %u > recvd %u\n", count, recvd);
                count = recvd;
                eof = 0;
@@ -3170,18 +3652,19 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n
        struct xdr_buf  *rcvbuf = &req->rq_rcv_buf;
        struct page     *page = *rcvbuf->pages;
        struct kvec     *iov = rcvbuf->head;
-       unsigned int    nr, pglen = rcvbuf->page_len;
-       uint32_t        *end, *entry, *p, *kaddr;
-       uint32_t        len, attrlen;
-       int             hdrlen, recvd, status;
+       size_t          hdrlen;
+       u32             recvd, pglen = rcvbuf->page_len;
+       __be32          *end, *entry, *p, *kaddr;
+       unsigned int    nr = 0;
+       int             status;
 
        status = decode_op_hdr(xdr, OP_READDIR);
        if (status)
                return status;
        READ_BUF(8);
        COPYMEM(readdir->verifier.data, 8);
-       dprintk("%s: verifier = 0x%x%x\n",
-                       __FUNCTION__,
+       dprintk("%s: verifier = %08x:%08x\n",
+                       __func__,
                        ((u32 *)readdir->verifier.data)[0],
                        ((u32 *)readdir->verifier.data)[1]);
 
@@ -3193,47 +3676,67 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n
        xdr_read_pages(xdr, pglen);
 
        BUG_ON(pglen + readdir->pgbase > PAGE_CACHE_SIZE);
-       kaddr = p = (uint32_t *) kmap_atomic(page, KM_USER0);
-       end = (uint32_t *) ((char *)p + pglen + readdir->pgbase);
+       kaddr = p = kmap_atomic(page, KM_USER0);
+       end = p + ((pglen + readdir->pgbase) >> 2);
        entry = p;
-       for (nr = 0; *p++; nr++) {
-               if (p + 3 > end)
+
+       /* Make sure the packet actually has a value_follows and EOF entry */
+       if ((entry + 1) > end)
+               goto short_pkt;
+
+       for (; *p++; nr++) {
+               u32 len, attrlen, xlen;
+               if (end - p < 3)
                        goto short_pkt;
                dprintk("cookie = %Lu, ", *((unsigned long long *)p));
                p += 2;                 /* cookie */
                len = ntohl(*p++);      /* filename length */
                if (len > NFS4_MAXNAMLEN) {
-                       printk(KERN_WARNING "NFS: giant filename in readdir (len 0x%x)\n", len);
+                       dprintk("NFS: giant filename in readdir (len 0x%x)\n",
+                                       len);
                        goto err_unmap;
                }
-               dprintk("filename = %*s\n", len, (char *)p);
-               p += XDR_QUADLEN(len);
-               if (p + 1 > end)
+               xlen = XDR_QUADLEN(len);
+               if (end - p < xlen + 1)
                        goto short_pkt;
+               dprintk("filename = %*s\n", len, (char *)p);
+               p += xlen;
                len = ntohl(*p++);      /* bitmap length */
-               p += len;
-               if (p + 1 > end)
+               if (end - p < len + 1)
                        goto short_pkt;
+               p += len;
                attrlen = XDR_QUADLEN(ntohl(*p++));
-               p += attrlen;           /* attributes */
-               if (p + 2 > end)
+               if (end - p < attrlen + 2)
                        goto short_pkt;
+               p += attrlen;           /* attributes */
                entry = p;
        }
-       if (!nr && (entry[0] != 0 || entry[1] == 0))
-               goto short_pkt;
-out:   
+       /*
+        * Apparently some server sends responses that are a valid size, but
+        * contain no entries, and have value_follows==0 and EOF==0. For
+        * those, just set the EOF marker.
+        */
+       if (!nr && entry[1] == 0) {
+               dprintk("NFS: readdir reply truncated!\n");
+               entry[1] = 1;
+       }
+out:
        kunmap_atomic(kaddr, KM_USER0);
        return 0;
 short_pkt:
-       dprintk("%s: short packet at entry %d\n", __FUNCTION__, nr);
+       /*
+        * When we get a short packet there are 2 possibilities. We can
+        * return an error, or fix up the response to look like a valid
+        * response and return what we have so far. If there are no
+        * entries and the packet was short, then return -EIO. If there
+        * are valid entries in the response, return them and pretend that
+        * the call was successful, but incomplete. The caller can retry the
+        * readdir starting at the last cookie.
+        */
+       dprintk("%s: short packet at entry %d\n", __func__, nr);
        entry[0] = entry[1] = 0;
-       /* truncate listing ? */
-       if (!nr) {
-               printk(KERN_NOTICE "NFS: readdir reply truncated!\n");
-               entry[1] = 1;
-       }
-       goto out;
+       if (nr)
+               goto out;
 err_unmap:
        kunmap_atomic(kaddr, KM_USER0);
        return -errno_NFSERR_IO;
@@ -3243,8 +3746,9 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
 {
        struct xdr_buf *rcvbuf = &req->rq_rcv_buf;
        struct kvec *iov = rcvbuf->head;
-       int hdrlen, len, recvd;
-       uint32_t *p;
+       size_t hdrlen;
+       u32 len, recvd;
+       __be32 *p;
        char *kaddr;
        int status;
 
@@ -3256,13 +3760,13 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
        READ_BUF(4);
        READ32(len);
        if (len >= rcvbuf->page_len || len <= 0) {
-               dprintk(KERN_WARNING "nfs: server returned giant symlink!\n");
+               dprintk("nfs: server returned giant symlink!\n");
                return -ENAMETOOLONG;
        }
        hdrlen = (char *) xdr->p - (char *) iov->iov_base;
        recvd = req->rq_rcv_buf.len - hdrlen;
        if (recvd < len) {
-               printk(KERN_WARNING "NFS: server cheating in readlink reply: "
+               dprintk("NFS: server cheating in readlink reply: "
                                "count %u > recvd %u\n", len, recvd);
                return -EIO;
        }
@@ -3321,7 +3825,7 @@ decode_restorefh(struct xdr_stream *xdr)
 static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
                size_t *acl_len)
 {
-       uint32_t *savep;
+       __be32 *savep;
        uint32_t attrlen,
                 bitmap[2] = {0};
        struct kvec *iov = req->rq_rcv_buf.head;
@@ -3338,14 +3842,15 @@ static int decode_getacl(struct xdr_stream *xdr, struct rpc_rqst *req,
        if (unlikely(bitmap[0] & (FATTR4_WORD0_ACL - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_ACL)) {
-               int hdrlen, recvd;
+               size_t hdrlen;
+               u32 recvd;
 
                /* We ignore &savep and don't do consistency checks on
                 * the attr length.  Let userspace figure it out.... */
                hdrlen = (u8 *)xdr->p - (u8 *)iov->iov_base;
                recvd = req->rq_rcv_buf.len - hdrlen;
                if (attrlen > recvd) {
-                       printk(KERN_WARNING "NFS: server cheating in getattr"
+                       dprintk("NFS: server cheating in getattr"
                                        " acl reply: attrlen %u > recvd %u\n",
                                        attrlen, recvd);
                        return -EINVAL;
@@ -3365,13 +3870,12 @@ decode_savefh(struct xdr_stream *xdr)
        return decode_op_hdr(xdr, OP_SAVEFH);
 }
 
-static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
+static int decode_setattr(struct xdr_stream *xdr)
 {
-       uint32_t *p;
+       __be32 *p;
        uint32_t bmlen;
        int status;
 
-        
        status = decode_op_hdr(xdr, OP_SETATTR);
        if (status)
                return status;
@@ -3381,25 +3885,24 @@ static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
        return 0;
 }
 
-static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_client *clp)
+static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
 {
-       uint32_t *p;
+       __be32 *p;
        uint32_t opnum;
        int32_t nfserr;
 
        READ_BUF(8);
        READ32(opnum);
        if (opnum != OP_SETCLIENTID) {
-               printk(KERN_NOTICE
-                               "nfs4_decode_setclientid: Server returned operation"
-                               " %d\n", opnum);
+               dprintk("nfs: decode_setclientid: Server returned operation"
+                       " %d\n", opnum);
                return -EIO;
        }
        READ32(nfserr);
        if (nfserr == NFS_OK) {
-               READ_BUF(8 + sizeof(clp->cl_confirm.data));
+               READ_BUF(8 + NFS4_VERIFIER_SIZE);
                READ64(clp->cl_clientid);
-               COPYMEM(clp->cl_confirm.data, sizeof(clp->cl_confirm.data));
+               COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE);
        } else if (nfserr == NFSERR_CLID_INUSE) {
                uint32_t len;
 
@@ -3414,7 +3917,7 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs4_client *clp)
                READ_BUF(len);
                return -NFSERR_CLID_INUSE;
        } else
-               return -nfs_stat_to_errno(nfserr);
+               return nfs4_stat_to_errno(nfserr);
 
        return 0;
 }
@@ -3426,7 +3929,7 @@ static int decode_setclientid_confirm(struct xdr_stream *xdr)
 
 static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
 {
-       uint32_t *p;
+       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_WRITE);
@@ -3445,48 +3948,120 @@ static int decode_delegreturn(struct xdr_stream *xdr)
        return decode_op_hdr(xdr, OP_DELEGRETURN);
 }
 
+#if defined(CONFIG_NFS_V4_1)
+static int decode_exchange_id(struct xdr_stream *xdr,
+                             struct nfs41_exchange_id_res *res)
+{
+       __be32 *p;
+       uint32_t dummy;
+       int status;
+       struct nfs_client *clp = res->client;
+
+       status = decode_op_hdr(xdr, OP_EXCHANGE_ID);
+       if (status)
+               return status;
+
+       READ_BUF(8);
+       READ64(clp->cl_ex_clid);
+       READ_BUF(12);
+       READ32(clp->cl_seqid);
+       READ32(clp->cl_exchange_flags);
+
+       /* We ask for SP4_NONE */
+       READ32(dummy);
+       if (dummy != SP4_NONE)
+               return -EIO;
+
+       /* Throw away minor_id */
+       READ_BUF(8);
+
+       /* Throw away Major id */
+       READ_BUF(4);
+       READ32(dummy);
+       READ_BUF(dummy);
+
+       /* Throw away server_scope */
+       READ_BUF(4);
+       READ32(dummy);
+       READ_BUF(dummy);
+
+       /* Throw away Implementation id array */
+       READ_BUF(4);
+       READ32(dummy);
+       READ_BUF(dummy);
+
+       return 0;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+static int decode_sequence(struct xdr_stream *xdr,
+                          struct nfs4_sequence_res *res,
+                          struct rpc_rqst *rqstp)
+{
+#if defined(CONFIG_NFS_V4_1)
+       if (!res->sr_session)
+               return 0;
+
+       /* stub */
+#endif /* CONFIG_NFS_V4_1 */
+
+       return 0;
+}
+
+/*
+ * END OF "GENERIC" DECODE ROUTINES.
+ */
+
 /*
  * Decode OPEN_DOWNGRADE response
  */
-static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr;
-        int status;
-
-        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-        status = decode_compound_hdr(&xdr, &hdr);
-        if (status)
-                goto out;
-        status = decode_putfh(&xdr);
-        if (status)
-                goto out;
-        status = decode_open_downgrade(&xdr, res);
+static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
+       status = decode_putfh(&xdr);
+       if (status)
+               goto out;
+       status = decode_open_downgrade(&xdr, res);
        if (status != 0)
                goto out;
        decode_getfattr(&xdr, res->fattr, res->server);
 out:
-        return status;
+       return status;
 }
 
 /*
- * END OF "GENERIC" DECODE ROUTINES.
- */
-
-/*
  * Decode ACCESS response
  */
-static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_accessres *res)
+static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
                goto out;
-       if ((status = decode_putfh(&xdr)) == 0)
-               status = decode_access(&xdr, res);
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
+       status = decode_putfh(&xdr);
+       if (status != 0)
+               goto out;
+       status = decode_access(&xdr, res);
+       if (status != 0)
+               goto out;
+       decode_getfattr(&xdr, res->fattr, res->server);
 out:
        return status;
 }
@@ -3494,14 +4069,18 @@ out:
 /*
  * Decode LOOKUP response
  */
-static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
+static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
                goto out;
        if ((status = decode_putfh(&xdr)) != 0)
                goto out;
@@ -3517,14 +4096,18 @@ out:
 /*
  * Decode LOOKUP_ROOT response
  */
-static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_lookup_res *res)
+static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
                goto out;
        if ((status = decode_putrootfh(&xdr)) != 0)
                goto out;
@@ -3537,20 +4120,24 @@ out:
 /*
  * Decode REMOVE response
  */
-static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_remove_res *res)
+static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
                goto out;
        if ((status = decode_putfh(&xdr)) != 0)
                goto out;
        if ((status = decode_remove(&xdr, &res->cinfo)) != 0)
                goto out;
-       decode_getfattr(&xdr, res->dir_attr, res->server);
+       decode_getfattr(&xdr, &res->dir_attr, res->server);
 out:
        return status;
 }
@@ -3558,14 +4145,18 @@ out:
 /*
  * Decode RENAME response
  */
-static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_rename_res *res)
+static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
                goto out;
        if ((status = decode_putfh(&xdr)) != 0)
                goto out;
@@ -3588,14 +4179,18 @@ out:
 /*
  * Decode LINK response
  */
-static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_link_res *res)
+static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
                goto out;
        if ((status = decode_putfh(&xdr)) != 0)
                goto out;
@@ -3621,14 +4216,18 @@ out:
 /*
  * Decode CREATE response
  */
-static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
+static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
                goto out;
        if ((status = decode_putfh(&xdr)) != 0)
                goto out;
@@ -3650,7 +4249,7 @@ out:
 /*
  * Decode SYMLINK response
  */
-static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_create_res *res)
+static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res)
 {
        return nfs4_xdr_dec_create(rqstp, p, res);
 }
@@ -3658,51 +4257,54 @@ static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4
 /*
  * Decode GETATTR response
  */
-static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_getattr_res *res)
+static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
-       
+
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
        status = decode_getfattr(&xdr, res->fattr, res->server);
 out:
        return status;
-
 }
 
 /*
  * Encode an SETACL request
  */
 static int
-nfs4_xdr_enc_setacl(struct rpc_rqst *req, uint32_t *p, struct nfs_setaclargs *args)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr = {
-                .nops   = 2,
-        };
-        int status;
-
-        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-        encode_compound_hdr(&xdr, &hdr);
-        status = encode_putfh(&xdr, args->fh);
-        if (status)
-                goto out;
-        status = encode_setacl(&xdr, args);
-out:
-        return status;
+nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
+       };
+       int status;
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
+       encode_putfh(&xdr, args->fh, &hdr);
+       status = encode_setacl(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return status;
 }
+
 /*
  * Decode SETACL response
  */
 static int
-nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res)
+nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *p,
+                   struct nfs_setaclres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3712,10 +4314,13 @@ nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, uint32_t *p, void *res)
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
-       status = decode_setattr(&xdr, res);
+       status = decode_setattr(&xdr);
 out:
        return status;
 }
@@ -3724,7 +4329,8 @@ out:
  * Decode GETACL response
  */
 static int
-nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len)
+nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *p,
+                   struct nfs_getaclres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3734,10 +4340,13 @@ nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, uint32_t *p, size_t *acl_len)
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
-       status = decode_getacl(&xdr, rqstp, acl_len);
+       status = decode_getacl(&xdr, rqstp, &res->acl_len);
 
 out:
        return status;
@@ -3746,20 +4355,23 @@ out:
 /*
  * Decode CLOSE response
  */
-static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_closeres *res)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr;
-        int status;
-
-        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-        status = decode_compound_hdr(&xdr, &hdr);
-        if (status)
-                goto out;
-        status = decode_putfh(&xdr);
-        if (status)
-                goto out;
-        status = decode_close(&xdr, res);
+static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
+       status = decode_putfh(&xdr);
+       if (status)
+               goto out;
+       status = decode_close(&xdr, res);
        if (status != 0)
                goto out;
        /*
@@ -3770,118 +4382,124 @@ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_cl
         */
        decode_getfattr(&xdr, res->fattr, res->server);
 out:
-        return status;
+       return status;
 }
 
 /*
  * Decode OPEN response
  */
-static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr;
-        int status;
-
-        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-        status = decode_compound_hdr(&xdr, &hdr);
-        if (status)
-                goto out;
-        status = decode_putfh(&xdr);
-        if (status)
-                goto out;
-        status = decode_savefh(&xdr);
+static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
-        status = decode_open(&xdr, res);
-        if (status)
-                goto out;
-       status = decode_getfh(&xdr, &res->fh);
-        if (status)
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
+       status = decode_putfh(&xdr);
+       if (status)
+               goto out;
+       status = decode_savefh(&xdr);
+       if (status)
+               goto out;
+       status = decode_open(&xdr, res);
+       if (status)
+               goto out;
+       if (decode_getfh(&xdr, &res->fh) != 0)
                goto out;
        if (decode_getfattr(&xdr, res->f_attr, res->server) != 0)
                goto out;
-       if ((status = decode_restorefh(&xdr)) != 0)
+       if (decode_restorefh(&xdr) != 0)
                goto out;
        decode_getfattr(&xdr, res->dir_attr, res->server);
 out:
-        return status;
+       return status;
 }
 
 /*
  * Decode OPEN_CONFIRM response
  */
-static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_open_confirmres *res)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr;
-        int status;
-
-        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-        status = decode_compound_hdr(&xdr, &hdr);
-        if (status)
-                goto out;
-        status = decode_putfh(&xdr);
-        if (status)
-                goto out;
-        status = decode_open_confirm(&xdr, res);
+static int nfs4_xdr_dec_open_confirm(struct rpc_rqst *rqstp, __be32 *p, struct nfs_open_confirmres *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_putfh(&xdr);
+       if (status)
+               goto out;
+       status = decode_open_confirm(&xdr, res);
 out:
-        return status;
+       return status;
 }
 
 /*
  * Decode OPEN response
  */
-static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_openres *res)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr;
-        int status;
-
-        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-        status = decode_compound_hdr(&xdr, &hdr);
-        if (status)
-                goto out;
-        status = decode_putfh(&xdr);
-        if (status)
-                goto out;
-        status = decode_open(&xdr, res);
-        if (status)
-                goto out;
+static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
+       status = decode_putfh(&xdr);
+       if (status)
+               goto out;
+       status = decode_open(&xdr, res);
+       if (status)
+               goto out;
        decode_getfattr(&xdr, res->f_attr, res->server);
 out:
-        return status;
+       return status;
 }
 
 /*
  * Decode SETATTR response
  */
-static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_setattrres *res)
-{
-        struct xdr_stream xdr;
-        struct compound_hdr hdr;
-        int status;
-
-        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
-        status = decode_compound_hdr(&xdr, &hdr);
-        if (status)
-                goto out;
-        status = decode_putfh(&xdr);
-        if (status)
-                goto out;
-        status = decode_setattr(&xdr, res);
-        if (status)
-                goto out;
-       status = decode_getfattr(&xdr, res->fattr, res->server);
-       if (status == NFS4ERR_DELAY)
-               status = 0;
+static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
+       status = decode_putfh(&xdr);
+       if (status)
+               goto out;
+       status = decode_setattr(&xdr);
+       if (status)
+               goto out;
+       decode_getfattr(&xdr, res->fattr, res->server);
 out:
-        return status;
+       return status;
 }
 
 /*
  * Decode LOCK response
  */
-static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lock_res *res)
+static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3891,6 +4509,9 @@ static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_loc
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -3902,7 +4523,7 @@ out:
 /*
  * Decode LOCKT response
  */
-static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lockt_res *res)
+static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3912,6 +4533,9 @@ static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lo
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -3923,7 +4547,7 @@ out:
 /*
  * Decode LOCKU response
  */
-static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_locku_res *res)
+static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3933,6 +4557,9 @@ static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_lo
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -3944,7 +4571,8 @@ out:
 /*
  * Decode READLINK response
  */
-static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res)
+static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *p,
+                                struct nfs4_readlink_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3954,6 +4582,9 @@ static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, uint32_t *p, void *res)
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -3965,7 +4596,7 @@ out:
 /*
  * Decode READDIR response
  */
-static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_readdir_res *res)
+static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3975,6 +4606,9 @@ static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -3986,7 +4620,7 @@ out:
 /*
  * Decode Read response
  */
-static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_readres *res)
+static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -3996,6 +4630,9 @@ static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_rea
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -4009,7 +4646,7 @@ out:
 /*
  * Decode WRITE response
  */
-static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
+static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4019,6 +4656,9 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_wr
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -4035,7 +4675,7 @@ out:
 /*
  * Decode COMMIT response
  */
-static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_writeres *res)
+static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4045,6 +4685,9 @@ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, uint32_t *p, struct nfs_w
        status = decode_compound_hdr(&xdr, &hdr);
        if (status)
                goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
+               goto out;
        status = decode_putfh(&xdr);
        if (status)
                goto out;
@@ -4059,7 +4702,8 @@ out:
 /*
  * FSINFO request
  */
-static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
+static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p,
+                              struct nfs4_fsinfo_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4068,18 +4712,19 @@ static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, uint32_t *p, struct nfs_fsi
        xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
        status = decode_compound_hdr(&xdr, &hdr);
        if (!status)
-               status = decode_putfh(&xdr);
+               status = decode_sequence(&xdr, &res->seq_res, req);
        if (!status)
-               status = decode_fsinfo(&xdr, fsinfo);
+               status = decode_putfh(&xdr);
        if (!status)
-               status = -nfs_stat_to_errno(hdr.status);
+               status = decode_fsinfo(&xdr, res->fsinfo);
        return status;
 }
 
 /*
  * PATHCONF request
  */
-static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_pathconf *pathconf)
+static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p,
+                                struct nfs4_pathconf_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4088,16 +4733,19 @@ static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, uint32_t *p, struct nfs_p
        xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
        status = decode_compound_hdr(&xdr, &hdr);
        if (!status)
+               status = decode_sequence(&xdr, &res->seq_res, req);
+       if (!status)
                status = decode_putfh(&xdr);
        if (!status)
-               status = decode_pathconf(&xdr, pathconf);
+               status = decode_pathconf(&xdr, res->pathconf);
        return status;
 }
 
 /*
  * STATFS request
  */
-static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fsstat *fsstat)
+static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p,
+                              struct nfs4_statfs_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4106,23 +4754,29 @@ static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, uint32_t *p, struct nfs_fss
        xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
        status = decode_compound_hdr(&xdr, &hdr);
        if (!status)
+               status = decode_sequence(&xdr, &res->seq_res, req);
+       if (!status)
                status = decode_putfh(&xdr);
        if (!status)
-               status = decode_statfs(&xdr, fsstat);
+               status = decode_statfs(&xdr, res->fsstat);
        return status;
 }
 
 /*
  * GETATTR_BITMAP request
  */
-static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, uint32_t *p, struct nfs4_server_caps_res *res)
+static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
        int status;
 
        xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
-       if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, req);
+       if (status)
                goto out;
        if ((status = decode_putfh(&xdr)) != 0)
                goto out;
@@ -4134,7 +4788,7 @@ out:
 /*
  * Decode RENEW response
  */
-static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
+static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, __be32 *p, void *dummy)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4150,8 +4804,8 @@ static int nfs4_xdr_dec_renew(struct rpc_rqst *rqstp, uint32_t *p, void *dummy)
 /*
  * a SETCLIENTID request
  */
-static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p,
-               struct nfs4_client *clp)
+static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, __be32 *p,
+               struct nfs_client *clp)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4161,15 +4815,13 @@ static int nfs4_xdr_dec_setclientid(struct rpc_rqst *req, uint32_t *p,
        status = decode_compound_hdr(&xdr, &hdr);
        if (!status)
                status = decode_setclientid(&xdr, clp);
-       if (!status)
-               status = -nfs_stat_to_errno(hdr.status);
        return status;
 }
 
 /*
  * a SETCLIENTID_CONFIRM request
  */
-static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, struct nfs_fsinfo *fsinfo)
+static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, struct nfs_fsinfo *fsinfo)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4183,15 +4835,13 @@ static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, uint32_t *p, s
                status = decode_putrootfh(&xdr);
        if (!status)
                status = decode_fsinfo(&xdr, fsinfo);
-       if (!status)
-               status = -nfs_stat_to_errno(hdr.status);
        return status;
 }
 
 /*
  * DELEGRETURN request
  */
-static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, struct nfs4_delegreturnres *res)
+static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res)
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr;
@@ -4199,7 +4849,10 @@ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, uint32_t *p, struct
 
        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
        status = decode_compound_hdr(&xdr, &hdr);
-       if (status != 0)
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, rqstp);
+       if (status)
                goto out;
        status = decode_putfh(&xdr);
        if (status != 0)
@@ -4210,7 +4863,54 @@ out:
        return status;
 }
 
-uint32_t *nfs4_decode_dirent(uint32_t *p, struct nfs_entry *entry, int plus)
+/*
+ * FS_LOCATIONS request
+ */
+static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p,
+                                    struct nfs4_fs_locations_res *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (status)
+               goto out;
+       status = decode_sequence(&xdr, &res->seq_res, req);
+       if (status)
+               goto out;
+       if ((status = decode_putfh(&xdr)) != 0)
+               goto out;
+       if ((status = decode_lookup(&xdr)) != 0)
+               goto out;
+       xdr_enter_page(&xdr, PAGE_SIZE);
+       status = decode_getfattr(&xdr, &res->fs_locations->fattr,
+                                res->fs_locations->server);
+out:
+       return status;
+}
+
+#if defined(CONFIG_NFS_V4_1)
+/*
+ * EXCHANGE_ID request
+ */
+static int nfs4_xdr_dec_exchange_id(struct rpc_rqst *rqstp, uint32_t *p,
+                                   void *res)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr;
+       int status;
+
+       xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
+       status = decode_compound_hdr(&xdr, &hdr);
+       if (!status)
+               status = decode_exchange_id(&xdr, res);
+       return status;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+__be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
 {
        uint32_t bitmap[2] = {0};
        uint32_t len;
@@ -4271,42 +4971,42 @@ static struct {
        int errno;
 } nfs_errtbl[] = {
        { NFS4_OK,              0               },
-       { NFS4ERR_PERM,         EPERM           },
-       { NFS4ERR_NOENT,        ENOENT          },
-       { NFS4ERR_IO,           errno_NFSERR_IO },
-       { NFS4ERR_NXIO,         ENXIO           },
-       { NFS4ERR_ACCESS,       EACCES          },
-       { NFS4ERR_EXIST,        EEXIST          },
-       { NFS4ERR_XDEV,         EXDEV           },
-       { NFS4ERR_NOTDIR,       ENOTDIR         },
-       { NFS4ERR_ISDIR,        EISDIR          },
-       { NFS4ERR_INVAL,        EINVAL          },
-       { NFS4ERR_FBIG,         EFBIG           },
-       { NFS4ERR_NOSPC,        ENOSPC          },
-       { NFS4ERR_ROFS,         EROFS           },
-       { NFS4ERR_MLINK,        EMLINK          },
-       { NFS4ERR_NAMETOOLONG,  ENAMETOOLONG    },
-       { NFS4ERR_NOTEMPTY,     ENOTEMPTY       },
-       { NFS4ERR_DQUOT,        EDQUOT          },
-       { NFS4ERR_STALE,        ESTALE          },
-       { NFS4ERR_BADHANDLE,    EBADHANDLE      },
-       { NFS4ERR_BADOWNER,     EINVAL          },
-       { NFS4ERR_BADNAME,      EINVAL          },
-       { NFS4ERR_BAD_COOKIE,   EBADCOOKIE      },
-       { NFS4ERR_NOTSUPP,      ENOTSUPP        },
-       { NFS4ERR_TOOSMALL,     ETOOSMALL       },
-       { NFS4ERR_SERVERFAULT,  ESERVERFAULT    },
-       { NFS4ERR_BADTYPE,      EBADTYPE        },
-       { NFS4ERR_LOCKED,       EAGAIN          },
-       { NFS4ERR_RESOURCE,     EREMOTEIO       },
-       { NFS4ERR_SYMLINK,      ELOOP           },
-       { NFS4ERR_OP_ILLEGAL,   EOPNOTSUPP      },
-       { NFS4ERR_DEADLOCK,     EDEADLK         },
-       { NFS4ERR_WRONGSEC,     EPERM           }, /* FIXME: this needs
+       { NFS4ERR_PERM,         -EPERM          },
+       { NFS4ERR_NOENT,        -ENOENT         },
+       { NFS4ERR_IO,           -errno_NFSERR_IO},
+       { NFS4ERR_NXIO,         -ENXIO          },
+       { NFS4ERR_ACCESS,       -EACCES         },
+       { NFS4ERR_EXIST,        -EEXIST         },
+       { NFS4ERR_XDEV,         -EXDEV          },
+       { NFS4ERR_NOTDIR,       -ENOTDIR        },
+       { NFS4ERR_ISDIR,        -EISDIR         },
+       { NFS4ERR_INVAL,        -EINVAL         },
+       { NFS4ERR_FBIG,         -EFBIG          },
+       { NFS4ERR_NOSPC,        -ENOSPC         },
+       { NFS4ERR_ROFS,         -EROFS          },
+       { NFS4ERR_MLINK,        -EMLINK         },
+       { NFS4ERR_NAMETOOLONG,  -ENAMETOOLONG   },
+       { NFS4ERR_NOTEMPTY,     -ENOTEMPTY      },
+       { NFS4ERR_DQUOT,        -EDQUOT         },
+       { NFS4ERR_STALE,        -ESTALE         },
+       { NFS4ERR_BADHANDLE,    -EBADHANDLE     },
+       { NFS4ERR_BADOWNER,     -EINVAL         },
+       { NFS4ERR_BADNAME,      -EINVAL         },
+       { NFS4ERR_BAD_COOKIE,   -EBADCOOKIE     },
+       { NFS4ERR_NOTSUPP,      -ENOTSUPP       },
+       { NFS4ERR_TOOSMALL,     -ETOOSMALL      },
+       { NFS4ERR_SERVERFAULT,  -ESERVERFAULT   },
+       { NFS4ERR_BADTYPE,      -EBADTYPE       },
+       { NFS4ERR_LOCKED,       -EAGAIN         },
+       { NFS4ERR_RESOURCE,     -EREMOTEIO      },
+       { NFS4ERR_SYMLINK,      -ELOOP          },
+       { NFS4ERR_OP_ILLEGAL,   -EOPNOTSUPP     },
+       { NFS4ERR_DEADLOCK,     -EDEADLK        },
+       { NFS4ERR_WRONGSEC,     -EPERM          }, /* FIXME: this needs
                                                    * to be handled by a
                                                    * middle-layer.
                                                    */
-       { -1,                   EIO             }
+       { -1,                   -EIO            }
 };
 
 /*
@@ -4314,7 +5014,7 @@ static struct {
  * This one is used jointly by NFSv2 and NFSv3.
  */
 static int
-nfs_stat_to_errno(int stat)
+nfs4_stat_to_errno(int stat)
 {
        int i;
        for (i = 0; nfs_errtbl[i].stat != -1; i++) {
@@ -4323,29 +5023,26 @@ nfs_stat_to_errno(int stat)
        }
        if (stat <= 10000 || stat > 10100) {
                /* The server is looney tunes. */
-               return ESERVERFAULT;
+               return -ESERVERFAULT;
        }
        /* If we cannot translate the error, the recovery routines should
         * handle it.
         * Note: remaining NFSv4 error codes have values > 10000, so should
         * not conflict with native Linux error codes.
         */
-       return stat;
+       return -stat;
 }
 
-#ifndef MAX
-# define MAX(a, b)     (((a) > (b))? (a) : (b))
-#endif
-
 #define PROC(proc, argtype, restype)                           \
 [NFSPROC4_CLNT_##proc] = {                                     \
        .p_proc   = NFSPROC4_COMPOUND,                          \
        .p_encode = (kxdrproc_t) nfs4_xdr_##argtype,            \
        .p_decode = (kxdrproc_t) nfs4_xdr_##restype,            \
-       .p_bufsiz = MAX(NFS4_##argtype##_sz,NFS4_##restype##_sz) << 2,  \
+       .p_arglen = NFS4_##argtype##_sz,                        \
+       .p_replen = NFS4_##restype##_sz,                        \
        .p_statidx = NFSPROC4_CLNT_##proc,                      \
        .p_name   = #proc,                                      \
-    }
+}
 
 struct rpc_procinfo    nfs4_procedures[] = {
   PROC(READ,           enc_read,       dec_read),
@@ -4381,6 +5078,10 @@ struct rpc_procinfo      nfs4_procedures[] = {
   PROC(DELEGRETURN,    enc_delegreturn, dec_delegreturn),
   PROC(GETACL,         enc_getacl,     dec_getacl),
   PROC(SETACL,         enc_setacl,     dec_setacl),
+  PROC(FS_LOCATIONS,   enc_fs_locations, dec_fs_locations),
+#if defined(CONFIG_NFS_V4_1)
+  PROC(EXCHANGE_ID,    enc_exchange_id,        dec_exchange_id),
+#endif /* CONFIG_NFS_V4_1 */
 };
 
 struct rpc_version             nfs_version4 = {