Re: acl trouble after upgrading ubuntu
[safe/jmp/linux-2.6] / fs / nfs / nfs4xdr.c
index 9130586..3a71b40 100644 (file)
@@ -39,7 +39,6 @@
 #include <linux/time.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
-#include <linux/utsname.h>
 #include <linux/errno.h>
 #include <linux/string.h>
 #include <linux/in.h>
@@ -192,12 +191,16 @@ static int nfs4_stat_to_errno(int);
                                 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)
@@ -240,43 +243,115 @@ static int nfs4_stat_to_errno(int);
                                (encode_getattr_maxsz)
 #define decode_fs_locations_maxsz \
                                (0)
+
+#if defined(CONFIG_NFS_V4_1)
+#define NFS4_MAX_MACHINE_NAME_LEN (64)
+
+#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_channel_attrs_maxsz  (6 + 1 /* ca_rdma_ird.len (0) */)
+#define decode_channel_attrs_maxsz  (6 + \
+                                    1 /* ca_rdma_ird.len */ + \
+                                    1 /* ca_rdma_ird */)
+#define encode_create_session_maxsz  (op_encode_hdr_maxsz + \
+                                    2 /* csa_clientid */ + \
+                                    1 /* csa_sequence */ + \
+                                    1 /* csa_flags */ + \
+                                    encode_channel_attrs_maxsz + \
+                                    encode_channel_attrs_maxsz + \
+                                    1 /* csa_cb_program */ + \
+                                    1 /* csa_sec_parms.len (1) */ + \
+                                    1 /* cb_secflavor (AUTH_SYS) */ + \
+                                    1 /* stamp */ + \
+                                    1 /* machinename.len */ + \
+                                    XDR_QUADLEN(NFS4_MAX_MACHINE_NAME_LEN) + \
+                                    1 /* uid */ + \
+                                    1 /* gid */ + \
+                                    1 /* gids.len (0) */)
+#define decode_create_session_maxsz  (op_decode_hdr_maxsz +    \
+                                    XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + \
+                                    1 /* csr_sequence */ + \
+                                    1 /* csr_flags */ + \
+                                    decode_channel_attrs_maxsz + \
+                                    decode_channel_attrs_maxsz)
+#define encode_destroy_session_maxsz    (op_encode_hdr_maxsz + 4)
+#define decode_destroy_session_maxsz    (op_decode_hdr_maxsz)
+#define encode_sequence_maxsz  (op_encode_hdr_maxsz + \
+                               XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 4)
+#define decode_sequence_maxsz  (op_decode_hdr_maxsz + \
+                               XDR_QUADLEN(NFS4_MAX_SESSIONID_LEN) + 5)
+#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 + \
                                encode_read_maxsz)
 #define NFS4_dec_read_sz       (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_read_maxsz)
 #define NFS4_enc_readlink_sz   (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_readlink_maxsz)
 #define NFS4_dec_readlink_sz   (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_readlink_maxsz)
 #define NFS4_enc_readdir_sz    (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_readdir_maxsz)
 #define NFS4_dec_readdir_sz    (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_readdir_maxsz)
 #define NFS4_enc_write_sz      (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_write_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_write_sz      (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_write_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_commit_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_commit_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_commit_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_commit_maxsz + \
                                decode_getattr_maxsz)
 #define NFS4_enc_open_sz        (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_savefh_maxsz + \
                                encode_open_maxsz + \
@@ -285,6 +360,7 @@ static int nfs4_stat_to_errno(int);
                                encode_restorefh_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_open_sz        (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_savefh_maxsz + \
                                decode_open_maxsz + \
@@ -301,43 +377,53 @@ static int nfs4_stat_to_errno(int);
                                 decode_putfh_maxsz + \
                                 decode_open_confirm_maxsz)
 #define NFS4_enc_open_noattr_sz        (compound_encode_hdr_maxsz + \
+                                       encode_sequence_maxsz + \
                                        encode_putfh_maxsz + \
                                        encode_open_maxsz + \
                                        encode_getattr_maxsz)
 #define NFS4_dec_open_noattr_sz        (compound_decode_hdr_maxsz + \
+                                       decode_sequence_maxsz + \
                                        decode_putfh_maxsz + \
                                        decode_open_maxsz + \
                                        decode_getattr_maxsz)
 #define NFS4_enc_open_downgrade_sz \
                                (compound_encode_hdr_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_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 + \
@@ -359,64 +445,81 @@ static int nfs4_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_lock_maxsz)
 #define NFS4_dec_lock_sz        (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_lock_maxsz)
 #define NFS4_enc_lockt_sz       (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                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_locku_maxsz)
 #define NFS4_dec_locku_sz       (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_locku_maxsz)
 #define NFS4_enc_access_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_access_maxsz + \
                                encode_getattr_maxsz)
 #define NFS4_dec_access_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                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 + \
                                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 + \
@@ -425,6 +528,7 @@ static int nfs4_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 + \
@@ -433,6 +537,7 @@ static int nfs4_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 + \
@@ -441,6 +546,7 @@ static int nfs4_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 + \
@@ -449,16 +555,19 @@ static int nfs4_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 + \
@@ -467,6 +576,7 @@ static int nfs4_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 + \
@@ -475,52 +585,98 @@ static int nfs4_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_statfs_maxsz)
 #define NFS4_dec_statfs_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                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_getacl_maxsz)
 #define NFS4_dec_getacl_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                decode_getacl_maxsz)
 #define NFS4_enc_setacl_sz     (compound_encode_hdr_maxsz + \
+                               encode_sequence_maxsz + \
                                encode_putfh_maxsz + \
                                encode_setacl_maxsz)
 #define NFS4_dec_setacl_sz     (compound_decode_hdr_maxsz + \
+                               decode_sequence_maxsz + \
                                decode_putfh_maxsz + \
                                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)
+#define NFS4_enc_create_session_sz \
+                               (compound_encode_hdr_maxsz + \
+                                encode_create_session_maxsz)
+#define NFS4_dec_create_session_sz \
+                               (compound_decode_hdr_maxsz + \
+                                decode_create_session_maxsz)
+#define NFS4_enc_destroy_session_sz    (compound_encode_hdr_maxsz + \
+                                        encode_destroy_session_maxsz)
+#define NFS4_dec_destroy_session_sz    (compound_decode_hdr_maxsz + \
+                                        decode_destroy_session_maxsz)
+#define NFS4_enc_sequence_sz \
+                               (compound_decode_hdr_maxsz + \
+                                encode_sequence_maxsz)
+#define NFS4_dec_sequence_sz \
+                               (compound_decode_hdr_maxsz + \
+                                decode_sequence_maxsz)
+#define NFS4_enc_get_lease_time_sz     (compound_encode_hdr_maxsz + \
+                                        encode_sequence_maxsz + \
+                                        encode_putrootfh_maxsz + \
+                                        encode_fsinfo_maxsz)
+#define NFS4_dec_get_lease_time_sz     (compound_decode_hdr_maxsz + \
+                                        decode_sequence_maxsz + \
+                                        decode_putrootfh_maxsz + \
+                                        decode_fsinfo_maxsz)
+#endif /* CONFIG_NFS_V4_1 */
 
 static const umode_t nfs_type2fmt[] = {
        [NF4BAD] = 0,
@@ -541,31 +697,16 @@ struct compound_hdr {
        __be32 *        nops_p;
        uint32_t        taglen;
        char *          tag;
+       uint32_t        replen;         /* expected reply words */
+       u32             minorversion;
 };
 
-/*
- * START OF "GENERIC" ENCODE 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
- * all of our NFSv4 implementations (OpenBSD, MacOS X...).
- *
- * If the pain of reading these is too great, it should be a straightforward
- * task to translate them into Linux-specific versions which are more
- * consistent with the style used in NFSv2/v3...
- */
-#define WRITE32(n)               *p++ = htonl(n)
-#define WRITE64(n)               do {                          \
-       *p++ = htonl((uint32_t)((n) >> 32));                            \
-       *p++ = htonl((uint32_t)(n));                                    \
-} while (0)
-#define WRITEMEM(ptr,nbytes)     do {                          \
-       p = xdr_encode_opaque_fixed(p, ptr, nbytes);            \
-} while (0)
-
-#define RESERVE_SPACE(nbytes)  do {                            \
-       p = xdr_reserve_space(xdr, nbytes);                     \
-       BUG_ON(!p);                                             \
-} while (0)
+static __be32 *reserve_space(struct xdr_stream *xdr, size_t nbytes)
+{
+       __be32 *p = xdr_reserve_space(xdr, nbytes);
+       BUG_ON(!p);
+       return p;
+}
 
 static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *str)
 {
@@ -576,22 +717,30 @@ static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *
        xdr_encode_opaque(p, str, len);
 }
 
-static void 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)
 {
        __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);
+       p = reserve_space(xdr, 4 + hdr->taglen + 8);
+       p = xdr_encode_opaque(p, hdr->tag, hdr->taglen);
+       *p++ = cpu_to_be32(hdr->minorversion);
        hdr->nops_p = p;
-       WRITE32(hdr->nops);
+       *p = cpu_to_be32(hdr->nops);
 }
 
 static void encode_nops(struct compound_hdr *hdr)
 {
+       BUG_ON(hdr->nops > NFS4_MAX_OPS);
        *hdr->nops_p = htonl(hdr->nops);
 }
 
@@ -661,55 +810,53 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
                len += 16;
        else if (iap->ia_valid & ATTR_MTIME)
                len += 4;
-       RESERVE_SPACE(len);
+       p = reserve_space(xdr, len);
 
        /*
         * We write the bitmap length now, but leave the bitmap and the attribute
         * buffer length to be backfilled at the end of this routine.
         */
-       WRITE32(2);
+       *p++ = cpu_to_be32(2);
        q = p;
        p += 3;
 
        if (iap->ia_valid & ATTR_SIZE) {
                bmval0 |= FATTR4_WORD0_SIZE;
-               WRITE64(iap->ia_size);
+               p = xdr_encode_hyper(p, iap->ia_size);
        }
        if (iap->ia_valid & ATTR_MODE) {
                bmval1 |= FATTR4_WORD1_MODE;
-               WRITE32(iap->ia_mode & S_IALLUGO);
+               *p++ = cpu_to_be32(iap->ia_mode & S_IALLUGO);
        }
        if (iap->ia_valid & ATTR_UID) {
                bmval1 |= FATTR4_WORD1_OWNER;
-               WRITE32(owner_namelen);
-               WRITEMEM(owner_name, owner_namelen);
+               p = xdr_encode_opaque(p, owner_name, owner_namelen);
        }
        if (iap->ia_valid & ATTR_GID) {
                bmval1 |= FATTR4_WORD1_OWNER_GROUP;
-               WRITE32(owner_grouplen);
-               WRITEMEM(owner_group, owner_grouplen);
+               p = xdr_encode_opaque(p, owner_group, owner_grouplen);
        }
        if (iap->ia_valid & ATTR_ATIME_SET) {
                bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
-               WRITE32(NFS4_SET_TO_CLIENT_TIME);
-               WRITE32(0);
-               WRITE32(iap->ia_mtime.tv_sec);
-               WRITE32(iap->ia_mtime.tv_nsec);
+               *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME);
+               *p++ = cpu_to_be32(0);
+               *p++ = cpu_to_be32(iap->ia_mtime.tv_sec);
+               *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec);
        }
        else if (iap->ia_valid & ATTR_ATIME) {
                bmval1 |= FATTR4_WORD1_TIME_ACCESS_SET;
-               WRITE32(NFS4_SET_TO_SERVER_TIME);
+               *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME);
        }
        if (iap->ia_valid & ATTR_MTIME_SET) {
                bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
-               WRITE32(NFS4_SET_TO_CLIENT_TIME);
-               WRITE32(0);
-               WRITE32(iap->ia_mtime.tv_sec);
-               WRITE32(iap->ia_mtime.tv_nsec);
+               *p++ = cpu_to_be32(NFS4_SET_TO_CLIENT_TIME);
+               *p++ = cpu_to_be32(0);
+               *p++ = cpu_to_be32(iap->ia_mtime.tv_sec);
+               *p++ = cpu_to_be32(iap->ia_mtime.tv_nsec);
        }
        else if (iap->ia_valid & ATTR_MTIME) {
                bmval1 |= FATTR4_WORD1_TIME_MODIFY_SET;
-               WRITE32(NFS4_SET_TO_SERVER_TIME);
+               *p++ = cpu_to_be32(NFS4_SET_TO_SERVER_TIME);
        }
 
        /*
@@ -723,7 +870,7 @@ static void encode_attrs(struct xdr_stream *xdr, const struct iattr *iap, const
        len = (char *)p - (char *)q - 12;
        *q++ = htonl(bmval0);
        *q++ = htonl(bmval1);
-       *q++ = htonl(len);
+       *q = htonl(len);
 
 /* out: */
 }
@@ -732,63 +879,65 @@ static void encode_access(struct xdr_stream *xdr, u32 access, struct compound_hd
 {
        __be32 *p;
 
-       RESERVE_SPACE(8);
-       WRITE32(OP_ACCESS);
-       WRITE32(access);
+       p = reserve_space(xdr, 8);
+       *p++ = cpu_to_be32(OP_ACCESS);
+       *p = cpu_to_be32(access);
        hdr->nops++;
+       hdr->replen += decode_access_maxsz;
 }
 
 static void encode_close(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(8+NFS4_STATEID_SIZE);
-       WRITE32(OP_CLOSE);
-       WRITE32(arg->seqid->sequence->counter);
-       WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
+       p = reserve_space(xdr, 8+NFS4_STATEID_SIZE);
+       *p++ = cpu_to_be32(OP_CLOSE);
+       *p++ = cpu_to_be32(arg->seqid->sequence->counter);
+       xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
        hdr->nops++;
+       hdr->replen += decode_close_maxsz;
 }
 
 static void encode_commit(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(16);
-       WRITE32(OP_COMMIT);
-       WRITE64(args->offset);
-       WRITE32(args->count);
+       p = reserve_space(xdr, 16);
+       *p++ = cpu_to_be32(OP_COMMIT);
+       p = xdr_encode_hyper(p, args->offset);
+       *p = cpu_to_be32(args->count);
        hdr->nops++;
+       hdr->replen += decode_commit_maxsz;
 }
 
 static void encode_create(struct xdr_stream *xdr, const struct nfs4_create_arg *create, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(8);
-       WRITE32(OP_CREATE);
-       WRITE32(create->ftype);
+       p = reserve_space(xdr, 8);
+       *p++ = cpu_to_be32(OP_CREATE);
+       *p = cpu_to_be32(create->ftype);
 
        switch (create->ftype) {
        case NF4LNK:
-               RESERVE_SPACE(4);
-               WRITE32(create->u.symlink.len);
+               p = reserve_space(xdr, 4);
+               *p = cpu_to_be32(create->u.symlink.len);
                xdr_write_pages(xdr, create->u.symlink.pages, 0, create->u.symlink.len);
                break;
 
        case NF4BLK: case NF4CHR:
-               RESERVE_SPACE(8);
-               WRITE32(create->u.device.specdata1);
-               WRITE32(create->u.device.specdata2);
+               p = reserve_space(xdr, 8);
+               *p++ = cpu_to_be32(create->u.device.specdata1);
+               *p = cpu_to_be32(create->u.device.specdata2);
                break;
 
        default:
                break;
        }
 
-       RESERVE_SPACE(4 + create->name->len);
-       WRITE32(create->name->len);
-       WRITEMEM(create->name->name, create->name->len);
+       encode_string(xdr, create->name->len, create->name->name);
        hdr->nops++;
+       hdr->replen += decode_create_maxsz;
 
        encode_attrs(xdr, create->attrs, create->server);
 }
@@ -797,23 +946,25 @@ static void encode_getattr_one(struct xdr_stream *xdr, uint32_t bitmap, struct c
 {
        __be32 *p;
 
-       RESERVE_SPACE(12);
-       WRITE32(OP_GETATTR);
-       WRITE32(1);
-       WRITE32(bitmap);
+       p = reserve_space(xdr, 12);
+       *p++ = cpu_to_be32(OP_GETATTR);
+       *p++ = cpu_to_be32(1);
+       *p = cpu_to_be32(bitmap);
        hdr->nops++;
+       hdr->replen += decode_getattr_maxsz;
 }
 
 static void encode_getattr_two(struct xdr_stream *xdr, uint32_t bm0, uint32_t bm1, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(16);
-       WRITE32(OP_GETATTR);
-       WRITE32(2);
-       WRITE32(bm0);
-       WRITE32(bm1);
+       p = reserve_space(xdr, 16);
+       *p++ = cpu_to_be32(OP_GETATTR);
+       *p++ = cpu_to_be32(2);
+       *p++ = cpu_to_be32(bm0);
+       *p = cpu_to_be32(bm1);
        hdr->nops++;
+       hdr->replen += decode_getattr_maxsz;
 }
 
 static void encode_getfattr(struct xdr_stream *xdr, const u32* bitmask, struct compound_hdr *hdr)
@@ -838,20 +989,21 @@ static void encode_getfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(OP_GETFH);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_GETFH);
        hdr->nops++;
+       hdr->replen += decode_getfh_maxsz;
 }
 
 static void encode_link(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(8 + name->len);
-       WRITE32(OP_LINK);
-       WRITE32(name->len);
-       WRITEMEM(name->name, name->len);
+       p = reserve_space(xdr, 8 + name->len);
+       *p++ = cpu_to_be32(OP_LINK);
+       xdr_encode_opaque(p, name->name, name->len);
        hdr->nops++;
+       hdr->replen += decode_link_maxsz;
 }
 
 static inline int nfs4_lock_type(struct file_lock *fl, int block)
@@ -876,59 +1028,62 @@ static void encode_lock(struct xdr_stream *xdr, const struct nfs_lock_args *args
 {
        __be32 *p;
 
-       RESERVE_SPACE(32);
-       WRITE32(OP_LOCK);
-       WRITE32(nfs4_lock_type(args->fl, args->block));
-       WRITE32(args->reclaim);
-       WRITE64(args->fl->fl_start);
-       WRITE64(nfs4_lock_length(args->fl));
-       WRITE32(args->new_lock_owner);
+       p = reserve_space(xdr, 32);
+       *p++ = cpu_to_be32(OP_LOCK);
+       *p++ = cpu_to_be32(nfs4_lock_type(args->fl, args->block));
+       *p++ = cpu_to_be32(args->reclaim);
+       p = xdr_encode_hyper(p, args->fl->fl_start);
+       p = xdr_encode_hyper(p, nfs4_lock_length(args->fl));
+       *p = cpu_to_be32(args->new_lock_owner);
        if (args->new_lock_owner){
-               RESERVE_SPACE(4+NFS4_STATEID_SIZE+32);
-               WRITE32(args->open_seqid->sequence->counter);
-               WRITEMEM(args->open_stateid->data, NFS4_STATEID_SIZE);
-               WRITE32(args->lock_seqid->sequence->counter);
-               WRITE64(args->lock_owner.clientid);
-               WRITE32(16);
-               WRITEMEM("lock id:", 8);
-               WRITE64(args->lock_owner.id);
+               p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+32);
+               *p++ = cpu_to_be32(args->open_seqid->sequence->counter);
+               p = xdr_encode_opaque_fixed(p, args->open_stateid->data, NFS4_STATEID_SIZE);
+               *p++ = cpu_to_be32(args->lock_seqid->sequence->counter);
+               p = xdr_encode_hyper(p, args->lock_owner.clientid);
+               *p++ = cpu_to_be32(16);
+               p = xdr_encode_opaque_fixed(p, "lock id:", 8);
+               xdr_encode_hyper(p, args->lock_owner.id);
        }
        else {
-               RESERVE_SPACE(NFS4_STATEID_SIZE+4);
-               WRITEMEM(args->lock_stateid->data, NFS4_STATEID_SIZE);
-               WRITE32(args->lock_seqid->sequence->counter);
+               p = reserve_space(xdr, NFS4_STATEID_SIZE+4);
+               p = xdr_encode_opaque_fixed(p, args->lock_stateid->data, NFS4_STATEID_SIZE);
+               *p = cpu_to_be32(args->lock_seqid->sequence->counter);
        }
        hdr->nops++;
+       hdr->replen += decode_lock_maxsz;
 }
 
 static void encode_lockt(struct xdr_stream *xdr, const struct nfs_lockt_args *args, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       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(16);
-       WRITEMEM("lock id:", 8);
-       WRITE64(args->lock_owner.id);
+       p = reserve_space(xdr, 52);
+       *p++ = cpu_to_be32(OP_LOCKT);
+       *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0));
+       p = xdr_encode_hyper(p, args->fl->fl_start);
+       p = xdr_encode_hyper(p, nfs4_lock_length(args->fl));
+       p = xdr_encode_hyper(p, args->lock_owner.clientid);
+       *p++ = cpu_to_be32(16);
+       p = xdr_encode_opaque_fixed(p, "lock id:", 8);
+       xdr_encode_hyper(p, args->lock_owner.id);
        hdr->nops++;
+       hdr->replen += decode_lockt_maxsz;
 }
 
 static void encode_locku(struct xdr_stream *xdr, const struct nfs_locku_args *args, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       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, NFS4_STATEID_SIZE);
-       WRITE64(args->fl->fl_start);
-       WRITE64(nfs4_lock_length(args->fl));
+       p = reserve_space(xdr, 12+NFS4_STATEID_SIZE+16);
+       *p++ = cpu_to_be32(OP_LOCKU);
+       *p++ = cpu_to_be32(nfs4_lock_type(args->fl, 0));
+       *p++ = cpu_to_be32(args->seqid->sequence->counter);
+       p = xdr_encode_opaque_fixed(p, args->stateid->data, NFS4_STATEID_SIZE);
+       p = xdr_encode_hyper(p, args->fl->fl_start);
+       xdr_encode_hyper(p, nfs4_lock_length(args->fl));
        hdr->nops++;
+       hdr->replen += decode_locku_maxsz;
 }
 
 static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
@@ -936,32 +1091,32 @@ static void encode_lookup(struct xdr_stream *xdr, const struct qstr *name, struc
        int len = name->len;
        __be32 *p;
 
-       RESERVE_SPACE(8 + len);
-       WRITE32(OP_LOOKUP);
-       WRITE32(len);
-       WRITEMEM(name->name, len);
+       p = reserve_space(xdr, 8 + len);
+       *p++ = cpu_to_be32(OP_LOOKUP);
+       xdr_encode_opaque(p, name->name, len);
        hdr->nops++;
+       hdr->replen += decode_lookup_maxsz;
 }
 
 static void encode_share_access(struct xdr_stream *xdr, fmode_t fmode)
 {
        __be32 *p;
 
-       RESERVE_SPACE(8);
+       p = reserve_space(xdr, 8);
        switch (fmode & (FMODE_READ|FMODE_WRITE)) {
        case FMODE_READ:
-               WRITE32(NFS4_SHARE_ACCESS_READ);
+               *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_READ);
                break;
        case FMODE_WRITE:
-               WRITE32(NFS4_SHARE_ACCESS_WRITE);
+               *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_WRITE);
                break;
        case FMODE_READ|FMODE_WRITE:
-               WRITE32(NFS4_SHARE_ACCESS_BOTH);
+               *p++ = cpu_to_be32(NFS4_SHARE_ACCESS_BOTH);
                break;
        default:
-               WRITE32(0);
+               *p++ = cpu_to_be32(0);
        }
-       WRITE32(0);             /* for linux, share_deny = 0 always */
+       *p = cpu_to_be32(0);            /* for linux, share_deny = 0 always */
 }
 
 static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_openargs *arg)
@@ -971,29 +1126,29 @@ static inline void encode_openhdr(struct xdr_stream *xdr, const struct nfs_opena
  * opcode 4, seqid 4, share_access 4, share_deny 4, clientid 8, ownerlen 4,
  * owner 4 = 32
  */
-       RESERVE_SPACE(8);
-       WRITE32(OP_OPEN);
-       WRITE32(arg->seqid->sequence->counter);
+       p = reserve_space(xdr, 8);
+       *p++ = cpu_to_be32(OP_OPEN);
+       *p = cpu_to_be32(arg->seqid->sequence->counter);
        encode_share_access(xdr, arg->fmode);
-       RESERVE_SPACE(28);
-       WRITE64(arg->clientid);
-       WRITE32(16);
-       WRITEMEM("open id:", 8);
-       WRITE64(arg->id);
+       p = reserve_space(xdr, 28);
+       p = xdr_encode_hyper(p, arg->clientid);
+       *p++ = cpu_to_be32(16);
+       p = xdr_encode_opaque_fixed(p, "open id:", 8);
+       xdr_encode_hyper(p, arg->id);
 }
 
 static inline void encode_createmode(struct xdr_stream *xdr, const struct nfs_openargs *arg)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
+       p = reserve_space(xdr, 4);
        switch(arg->open_flags & O_EXCL) {
        case 0:
-               WRITE32(NFS4_CREATE_UNCHECKED);
+               *p = cpu_to_be32(NFS4_CREATE_UNCHECKED);
                encode_attrs(xdr, arg->u.attrs, arg->server);
                break;
        default:
-               WRITE32(NFS4_CREATE_EXCLUSIVE);
+               *p = cpu_to_be32(NFS4_CREATE_EXCLUSIVE);
                encode_nfs4_verifier(xdr, &arg->u.verifier);
        }
 }
@@ -1002,14 +1157,14 @@ static void encode_opentype(struct xdr_stream *xdr, const struct nfs_openargs *a
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
+       p = reserve_space(xdr, 4);
        switch (arg->open_flags & O_CREAT) {
        case 0:
-               WRITE32(NFS4_OPEN_NOCREATE);
+               *p = cpu_to_be32(NFS4_OPEN_NOCREATE);
                break;
        default:
                BUG_ON(arg->claim != NFS4_OPEN_CLAIM_NULL);
-               WRITE32(NFS4_OPEN_CREATE);
+               *p = cpu_to_be32(NFS4_OPEN_CREATE);
                encode_createmode(xdr, arg);
        }
 }
@@ -1018,16 +1173,16 @@ static inline void encode_delegation_type(struct xdr_stream *xdr, fmode_t delega
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
+       p = reserve_space(xdr, 4);
        switch (delegation_type) {
        case 0:
-               WRITE32(NFS4_OPEN_DELEGATE_NONE);
+               *p = cpu_to_be32(NFS4_OPEN_DELEGATE_NONE);
                break;
        case FMODE_READ:
-               WRITE32(NFS4_OPEN_DELEGATE_READ);
+               *p = cpu_to_be32(NFS4_OPEN_DELEGATE_READ);
                break;
        case FMODE_WRITE|FMODE_READ:
-               WRITE32(NFS4_OPEN_DELEGATE_WRITE);
+               *p = cpu_to_be32(NFS4_OPEN_DELEGATE_WRITE);
                break;
        default:
                BUG();
@@ -1038,8 +1193,8 @@ static inline void encode_claim_null(struct xdr_stream *xdr, const struct qstr *
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(NFS4_OPEN_CLAIM_NULL);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(NFS4_OPEN_CLAIM_NULL);
        encode_string(xdr, name->len, name->name);
 }
 
@@ -1047,8 +1202,8 @@ static inline void encode_claim_previous(struct xdr_stream *xdr, fmode_t type)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(NFS4_OPEN_CLAIM_PREVIOUS);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(NFS4_OPEN_CLAIM_PREVIOUS);
        encode_delegation_type(xdr, type);
 }
 
@@ -1056,9 +1211,9 @@ static inline void encode_claim_delegate_cur(struct xdr_stream *xdr, const struc
 {
        __be32 *p;
 
-       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
-       WRITE32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
-       WRITEMEM(stateid->data, NFS4_STATEID_SIZE);
+       p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+       *p++ = cpu_to_be32(NFS4_OPEN_CLAIM_DELEGATE_CUR);
+       xdr_encode_opaque_fixed(p, stateid->data, NFS4_STATEID_SIZE);
        encode_string(xdr, name->len, name->name);
 }
 
@@ -1080,29 +1235,32 @@ static void encode_open(struct xdr_stream *xdr, const struct nfs_openargs *arg,
                BUG();
        }
        hdr->nops++;
+       hdr->replen += decode_open_maxsz;
 }
 
 static void encode_open_confirm(struct xdr_stream *xdr, const struct nfs_open_confirmargs *arg, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4+NFS4_STATEID_SIZE+4);
-       WRITE32(OP_OPEN_CONFIRM);
-       WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
-       WRITE32(arg->seqid->sequence->counter);
+       p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4);
+       *p++ = cpu_to_be32(OP_OPEN_CONFIRM);
+       p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
+       *p = cpu_to_be32(arg->seqid->sequence->counter);
        hdr->nops++;
+       hdr->replen += decode_open_confirm_maxsz;
 }
 
 static void encode_open_downgrade(struct xdr_stream *xdr, const struct nfs_closeargs *arg, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4+NFS4_STATEID_SIZE+4);
-       WRITE32(OP_OPEN_DOWNGRADE);
-       WRITEMEM(arg->stateid->data, NFS4_STATEID_SIZE);
-       WRITE32(arg->seqid->sequence->counter);
+       p = reserve_space(xdr, 4+NFS4_STATEID_SIZE+4);
+       *p++ = cpu_to_be32(OP_OPEN_DOWNGRADE);
+       p = xdr_encode_opaque_fixed(p, arg->stateid->data, NFS4_STATEID_SIZE);
+       *p = cpu_to_be32(arg->seqid->sequence->counter);
        encode_share_access(xdr, arg->fmode);
        hdr->nops++;
+       hdr->replen += decode_open_downgrade_maxsz;
 }
 
 static void
@@ -1111,20 +1269,21 @@ encode_putfh(struct xdr_stream *xdr, const struct nfs_fh *fh, struct compound_hd
        int len = fh->size;
        __be32 *p;
 
-       RESERVE_SPACE(8 + len);
-       WRITE32(OP_PUTFH);
-       WRITE32(len);
-       WRITEMEM(fh->data, len);
+       p = reserve_space(xdr, 8 + len);
+       *p++ = cpu_to_be32(OP_PUTFH);
+       xdr_encode_opaque(p, fh->data, len);
        hdr->nops++;
+       hdr->replen += decode_putfh_maxsz;
 }
 
 static void encode_putrootfh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(OP_PUTROOTFH);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_PUTROOTFH);
        hdr->nops++;
+       hdr->replen += decode_putrootfh_maxsz;
 }
 
 static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context *ctx)
@@ -1132,27 +1291,28 @@ static void encode_stateid(struct xdr_stream *xdr, const struct nfs_open_context
        nfs4_stateid stateid;
        __be32 *p;
 
-       RESERVE_SPACE(NFS4_STATEID_SIZE);
+       p = reserve_space(xdr, NFS4_STATEID_SIZE);
        if (ctx->state != NULL) {
                nfs4_copy_stateid(&stateid, ctx->state, ctx->lockowner);
-               WRITEMEM(stateid.data, NFS4_STATEID_SIZE);
+               xdr_encode_opaque_fixed(p, stateid.data, NFS4_STATEID_SIZE);
        } else
-               WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE);
+               xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
 }
 
 static void encode_read(struct xdr_stream *xdr, const struct nfs_readargs *args, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(OP_READ);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_READ);
 
        encode_stateid(xdr, args->context);
 
-       RESERVE_SPACE(12);
-       WRITE64(args->offset);
-       WRITE32(args->count);
+       p = reserve_space(xdr, 12);
+       p = xdr_encode_hyper(p, args->offset);
+       *p = cpu_to_be32(args->count);
        hdr->nops++;
+       hdr->replen += decode_read_maxsz;
 }
 
 static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg *readdir, struct rpc_rqst *req, struct compound_hdr *hdr)
@@ -1163,21 +1323,22 @@ static void encode_readdir(struct xdr_stream *xdr, const struct nfs4_readdir_arg
        };
        __be32 *p;
 
-       RESERVE_SPACE(12+NFS4_VERIFIER_SIZE+20);
-       WRITE32(OP_READDIR);
-       WRITE64(readdir->cookie);
-       WRITEMEM(readdir->verifier.data, NFS4_VERIFIER_SIZE);
-       WRITE32(readdir->count >> 1);  /* We're not doing readdirplus */
-       WRITE32(readdir->count);
-       WRITE32(2);
+       p = reserve_space(xdr, 12+NFS4_VERIFIER_SIZE+20);
+       *p++ = cpu_to_be32(OP_READDIR);
+       p = xdr_encode_hyper(p, readdir->cookie);
+       p = xdr_encode_opaque_fixed(p, readdir->verifier.data, NFS4_VERIFIER_SIZE);
+       *p++ = cpu_to_be32(readdir->count >> 1);  /* We're not doing readdirplus */
+       *p++ = cpu_to_be32(readdir->count);
+       *p++ = cpu_to_be32(2);
        /* Switch to mounted_on_fileid if the server supports it */
        if (readdir->bitmask[1] & FATTR4_WORD1_MOUNTED_ON_FILEID)
                attrs[0] &= ~FATTR4_WORD0_FILEID;
        else
                attrs[1] &= ~FATTR4_WORD1_MOUNTED_ON_FILEID;
-       WRITE32(attrs[0] & readdir->bitmask[0]);
-       WRITE32(attrs[1] & readdir->bitmask[1]);
+       *p++ = cpu_to_be32(attrs[0] & readdir->bitmask[0]);
+       *p = cpu_to_be32(attrs[1] & readdir->bitmask[1]);
        hdr->nops++;
+       hdr->replen += decode_readdir_maxsz;
        dprintk("%s: cookie = %Lu, verifier = %08x:%08x, bitmap = %08x:%08x\n",
                        __func__,
                        (unsigned long long)readdir->cookie,
@@ -1191,45 +1352,44 @@ static void encode_readlink(struct xdr_stream *xdr, const struct nfs4_readlink *
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(OP_READLINK);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_READLINK);
        hdr->nops++;
+       hdr->replen += decode_readlink_maxsz;
 }
 
 static void encode_remove(struct xdr_stream *xdr, const struct qstr *name, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(8 + name->len);
-       WRITE32(OP_REMOVE);
-       WRITE32(name->len);
-       WRITEMEM(name->name, name->len);
+       p = reserve_space(xdr, 8 + name->len);
+       *p++ = cpu_to_be32(OP_REMOVE);
+       xdr_encode_opaque(p, name->name, name->len);
        hdr->nops++;
+       hdr->replen += decode_remove_maxsz;
 }
 
 static void encode_rename(struct xdr_stream *xdr, const struct qstr *oldname, const struct qstr *newname, struct compound_hdr *hdr)
 {
        __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);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_RENAME);
+       encode_string(xdr, oldname->len, oldname->name);
+       encode_string(xdr, newname->len, newname->name);
        hdr->nops++;
+       hdr->replen += decode_rename_maxsz;
 }
 
 static void encode_renew(struct xdr_stream *xdr, const struct nfs_client *client_stateid, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(12);
-       WRITE32(OP_RENEW);
-       WRITE64(client_stateid->cl_clientid);
+       p = reserve_space(xdr, 12);
+       *p++ = cpu_to_be32(OP_RENEW);
+       xdr_encode_hyper(p, client_stateid->cl_clientid);
        hdr->nops++;
+       hdr->replen += decode_renew_maxsz;
 }
 
 static void
@@ -1237,9 +1397,10 @@ encode_restorefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(OP_RESTOREFH);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_RESTOREFH);
        hdr->nops++;
+       hdr->replen += decode_restorefh_maxsz;
 }
 
 static int
@@ -1247,18 +1408,19 @@ encode_setacl(struct xdr_stream *xdr, struct nfs_setaclargs *arg, struct compoun
 {
        __be32 *p;
 
-       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
-       WRITE32(OP_SETATTR);
-       WRITEMEM(zero_stateid.data, NFS4_STATEID_SIZE);
-       RESERVE_SPACE(2*4);
-       WRITE32(1);
-       WRITE32(FATTR4_WORD0_ACL);
+       p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+       *p++ = cpu_to_be32(OP_SETATTR);
+       xdr_encode_opaque_fixed(p, zero_stateid.data, NFS4_STATEID_SIZE);
+       p = reserve_space(xdr, 2*4);
+       *p++ = cpu_to_be32(1);
+       *p = cpu_to_be32(FATTR4_WORD0_ACL);
        if (arg->acl_len % 4)
                return -EINVAL;
-       RESERVE_SPACE(4);
-       WRITE32(arg->acl_len);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(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;
 }
 
@@ -1267,19 +1429,21 @@ encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(OP_SAVEFH);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_SAVEFH);
        hdr->nops++;
+       hdr->replen += decode_savefh_maxsz;
 }
 
 static void encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg, const struct nfs_server *server, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
-       WRITE32(OP_SETATTR);
-       WRITEMEM(arg->stateid.data, NFS4_STATEID_SIZE);
+       p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+       *p++ = cpu_to_be32(OP_SETATTR);
+       xdr_encode_opaque_fixed(p, arg->stateid.data, NFS4_STATEID_SIZE);
        hdr->nops++;
+       hdr->replen += decode_setattr_maxsz;
        encode_attrs(xdr, arg->iap, server);
 }
 
@@ -1287,63 +1451,205 @@ static void encode_setclientid(struct xdr_stream *xdr, const struct nfs4_setclie
 {
        __be32 *p;
 
-       RESERVE_SPACE(4 + NFS4_VERIFIER_SIZE);
-       WRITE32(OP_SETCLIENTID);
-       WRITEMEM(setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE);
+       p = reserve_space(xdr, 4 + NFS4_VERIFIER_SIZE);
+       *p++ = cpu_to_be32(OP_SETCLIENTID);
+       xdr_encode_opaque_fixed(p, setclientid->sc_verifier->data, NFS4_VERIFIER_SIZE);
 
        encode_string(xdr, setclientid->sc_name_len, setclientid->sc_name);
-       RESERVE_SPACE(4);
-       WRITE32(setclientid->sc_prog);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(setclientid->sc_prog);
        encode_string(xdr, setclientid->sc_netid_len, setclientid->sc_netid);
        encode_string(xdr, setclientid->sc_uaddr_len, setclientid->sc_uaddr);
-       RESERVE_SPACE(4);
-       WRITE32(setclientid->sc_cb_ident);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(setclientid->sc_cb_ident);
        hdr->nops++;
+       hdr->replen += decode_setclientid_maxsz;
 }
 
 static void encode_setclientid_confirm(struct xdr_stream *xdr, const struct nfs_client *client_state, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(12 + NFS4_VERIFIER_SIZE);
-       WRITE32(OP_SETCLIENTID_CONFIRM);
-       WRITE64(client_state->cl_clientid);
-       WRITEMEM(client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
+       p = reserve_space(xdr, 12 + NFS4_VERIFIER_SIZE);
+       *p++ = cpu_to_be32(OP_SETCLIENTID_CONFIRM);
+       p = xdr_encode_hyper(p, client_state->cl_clientid);
+       xdr_encode_opaque_fixed(p, client_state->cl_confirm.data, NFS4_VERIFIER_SIZE);
        hdr->nops++;
+       hdr->replen += decode_setclientid_confirm_maxsz;
 }
 
 static void encode_write(struct xdr_stream *xdr, const struct nfs_writeargs *args, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4);
-       WRITE32(OP_WRITE);
+       p = reserve_space(xdr, 4);
+       *p = cpu_to_be32(OP_WRITE);
 
        encode_stateid(xdr, args->context);
 
-       RESERVE_SPACE(16);
-       WRITE64(args->offset);
-       WRITE32(args->stable);
-       WRITE32(args->count);
+       p = reserve_space(xdr, 16);
+       p = xdr_encode_hyper(p, args->offset);
+       *p++ = cpu_to_be32(args->stable);
+       *p = cpu_to_be32(args->count);
 
        xdr_write_pages(xdr, args->pages, args->pgbase, args->count);
        hdr->nops++;
+       hdr->replen += decode_write_maxsz;
 }
 
 static void encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       RESERVE_SPACE(4+NFS4_STATEID_SIZE);
+       p = reserve_space(xdr, 4+NFS4_STATEID_SIZE);
+
+       *p++ = cpu_to_be32(OP_DELEGRETURN);
+       xdr_encode_opaque_fixed(p, 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;
+
+       p = reserve_space(xdr, 4 + sizeof(args->verifier->data));
+       *p++ = cpu_to_be32(OP_EXCHANGE_ID);
+       xdr_encode_opaque_fixed(p, args->verifier->data, sizeof(args->verifier->data));
 
-       WRITE32(OP_DELEGRETURN);
-       WRITEMEM(stateid->data, NFS4_STATEID_SIZE);
+       encode_string(xdr, args->id_len, args->id);
+
+       p = reserve_space(xdr, 12);
+       *p++ = cpu_to_be32(args->flags);
+       *p++ = cpu_to_be32(0);  /* zero length state_protect4_a */
+       *p = cpu_to_be32(0);    /* zero length implementation id array */
        hdr->nops++;
+       hdr->replen += decode_exchange_id_maxsz;
 }
+
+static void encode_create_session(struct xdr_stream *xdr,
+                                 struct nfs41_create_session_args *args,
+                                 struct compound_hdr *hdr)
+{
+       __be32 *p;
+       char machine_name[NFS4_MAX_MACHINE_NAME_LEN];
+       uint32_t len;
+       struct nfs_client *clp = args->client;
+
+       len = scnprintf(machine_name, sizeof(machine_name), "%s",
+                       clp->cl_ipaddr);
+
+       p = reserve_space(xdr, 20 + 2*28 + 20 + len + 12);
+       *p++ = cpu_to_be32(OP_CREATE_SESSION);
+       p = xdr_encode_hyper(p, clp->cl_ex_clid);
+       *p++ = cpu_to_be32(clp->cl_seqid);                      /*Sequence id */
+       *p++ = cpu_to_be32(args->flags);                        /*flags */
+
+       /* Fore Channel */
+       *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
+       *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */
+       *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */
+       *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz_cached);  /* Max resp sz cached */
+       *p++ = cpu_to_be32(args->fc_attrs.max_ops);     /* max operations */
+       *p++ = cpu_to_be32(args->fc_attrs.max_reqs);    /* max requests */
+       *p++ = cpu_to_be32(0);                          /* rdmachannel_attrs */
+
+       /* Back Channel */
+       *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */
+       *p++ = cpu_to_be32(args->bc_attrs.max_rqst_sz); /* max req size */
+       *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz); /* max resp size */
+       *p++ = cpu_to_be32(args->bc_attrs.max_resp_sz_cached);  /* Max resp sz cached */
+       *p++ = cpu_to_be32(args->bc_attrs.max_ops);     /* max operations */
+       *p++ = cpu_to_be32(args->bc_attrs.max_reqs);    /* max requests */
+       *p++ = cpu_to_be32(0);                          /* rdmachannel_attrs */
+
+       *p++ = cpu_to_be32(args->cb_program);           /* cb_program */
+       *p++ = cpu_to_be32(1);
+       *p++ = cpu_to_be32(RPC_AUTH_UNIX);                      /* auth_sys */
+
+       /* authsys_parms rfc1831 */
+       *p++ = cpu_to_be32((u32)clp->cl_boot_time.tv_nsec);     /* stamp */
+       p = xdr_encode_opaque(p, machine_name, len);
+       *p++ = cpu_to_be32(0);                          /* UID */
+       *p++ = cpu_to_be32(0);                          /* GID */
+       *p = cpu_to_be32(0);                            /* No more gids */
+       hdr->nops++;
+       hdr->replen += decode_create_session_maxsz;
+}
+
+static void encode_destroy_session(struct xdr_stream *xdr,
+                                  struct nfs4_session *session,
+                                  struct compound_hdr *hdr)
+{
+       __be32 *p;
+       p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN);
+       *p++ = cpu_to_be32(OP_DESTROY_SESSION);
+       xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
+       hdr->nops++;
+       hdr->replen += decode_destroy_session_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;
+       struct nfs4_slot_table *tp;
+       struct nfs4_slot *slot;
+       __be32 *p;
+
+       if (!session)
+               return;
+
+       tp = &session->fc_slot_table;
+
+       WARN_ON(args->sa_slotid == NFS4_MAX_SLOT_TABLE);
+       slot = tp->slots + args->sa_slotid;
+
+       p = reserve_space(xdr, 4 + NFS4_MAX_SESSIONID_LEN + 16);
+       *p++ = cpu_to_be32(OP_SEQUENCE);
+
+       /*
+        * Sessionid + seqid + slotid + max slotid + cache_this
+        */
+       dprintk("%s: sessionid=%u:%u:%u:%u seqid=%d slotid=%d "
+               "max_slotid=%d cache_this=%d\n",
+               __func__,
+               ((u32 *)session->sess_id.data)[0],
+               ((u32 *)session->sess_id.data)[1],
+               ((u32 *)session->sess_id.data)[2],
+               ((u32 *)session->sess_id.data)[3],
+               slot->seq_nr, args->sa_slotid,
+               tp->highest_used_slotid, args->sa_cache_this);
+       p = xdr_encode_opaque_fixed(p, session->sess_id.data, NFS4_MAX_SESSIONID_LEN);
+       *p++ = cpu_to_be32(slot->seq_nr);
+       *p++ = cpu_to_be32(args->sa_slotid);
+       *p++ = cpu_to_be32(tp->highest_used_slotid);
+       *p = cpu_to_be32(args->sa_cache_this);
+       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
  */
@@ -1351,11 +1657,12 @@ static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1370,11 +1677,12 @@ static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1390,11 +1698,12 @@ static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struc
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1409,11 +1718,12 @@ static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1428,11 +1738,12 @@ static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1451,11 +1762,12 @@ static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1474,11 +1786,12 @@ static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1505,11 +1818,12 @@ static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nf
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1523,11 +1837,12 @@ static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closea
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1542,11 +1857,12 @@ static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openarg
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1569,7 +1885,7 @@ static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       encode_compound_hdr(&xdr, req, &hdr);
        encode_putfh(&xdr, args->fh, &hdr);
        encode_open_confirm(&xdr, args, &hdr);
        encode_nops(&hdr);
@@ -1583,11 +1899,12 @@ static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1602,11 +1919,12 @@ static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct n
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1621,11 +1939,12 @@ static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_ar
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1639,11 +1958,12 @@ static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1657,11 +1977,12 @@ static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1675,22 +1996,16 @@ static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct n
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
-       unsigned int replen;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
 
-       /* set up reply kvec
-        *    toplevel_status + taglen + rescount + OP_PUTFH + status
-        *      + OP_READLINK + status + string length = 8
-        */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readlink_sz) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages,
+       xdr_inline_pages(&req->rq_rcv_buf, hdr.replen << 2, args->pages,
                        args->pgbase, args->pglen);
        encode_nops(&hdr);
        return 0;
@@ -1703,25 +2018,19 @@ static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nf
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
-       int replen;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
 
-       /* set up reply kvec
-        *    toplevel_status + taglen + rescount + OP_PUTFH + status
-        *      + OP_READDIR + status + verifer(2)  = 9
-        */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_readdir_sz) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen, args->pages,
+       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__, replen, args->pages,
+                       __func__, hdr.replen << 2, args->pages,
                        args->pgbase, args->count);
        encode_nops(&hdr);
        return 0;
@@ -1732,24 +2041,18 @@ static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nf
  */
 static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
 {
-       struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int replen;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
        req->rq_rcv_buf.flags |= XDRBUF_READ;
        encode_nops(&hdr);
@@ -1763,11 +2066,12 @@ static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_seta
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1783,20 +2087,19 @@ 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_msg.rpc_cred->cr_auth;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       int replen;
+       uint32_t replen;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->seq_args, &hdr);
        encode_putfh(&xdr, args->fh, &hdr);
+       replen = hdr.replen + op_decode_hdr_maxsz + nfs4_fattr_bitmap_maxsz + 1;
        encode_getattr_two(&xdr, FATTR4_WORD0_ACL, 0, &hdr);
 
-       /* set up reply buffer: */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_dec_getacl_sz) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen,
+       xdr_inline_pages(&req->rq_rcv_buf, replen << 2,
                args->acl_pages, args->acl_pgbase, args->acl_len);
        encode_nops(&hdr);
        return 0;
@@ -1809,11 +2112,12 @@ static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writea
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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;
@@ -1829,11 +2133,12 @@ static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_write
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1848,11 +2153,12 @@ static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsin
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1866,11 +2172,12 @@ static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct n
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1885,11 +2192,12 @@ static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1905,11 +2213,12 @@ static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p,
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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|
@@ -1930,7 +2239,7 @@ static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       encode_compound_hdr(&xdr, req, &hdr);
        encode_renew(&xdr, clp, &hdr);
        encode_nops(&hdr);
        return 0;
@@ -1947,7 +2256,7 @@ static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       encode_compound_hdr(&xdr, req, &hdr);
        encode_setclientid(&xdr, sc, &hdr);
        encode_nops(&hdr);
        return 0;
@@ -1965,7 +2274,7 @@ static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, str
        const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       encode_compound_hdr(&xdr, req, &hdr);
        encode_setclientid_confirm(&xdr, clp, &hdr);
        encode_putrootfh(&xdr, &hdr);
        encode_fsinfo(&xdr, lease_bitmap, &hdr);
@@ -1980,11 +2289,12 @@ static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struc
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -1999,90 +2309,166 @@ static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
-       struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
-       int replen;
+       uint32_t replen;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
 
-       /* set up reply
-        *   toplevel_status + OP_PUTFH + status
-        *   + OP_LOOKUP + status + OP_GETATTR + status = 7
-        */
-       replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2;
-       xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page,
+       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)
 /*
- * 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
- * all of our NFSv4 implementations (OpenBSD, MacOS X...).
- *
- * If the pain of reading these is too great, it should be a straightforward
- * task to translate them into Linux-specific versions which are more
- * consistent with the style used in NFSv2/v3...
+ * 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;
+}
+
+/*
+ * a CREATE_SESSION request
+ */
+static int nfs4_xdr_enc_create_session(struct rpc_rqst *req, uint32_t *p,
+                                      struct nfs41_create_session_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_create_session(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return 0;
+}
+
+/*
+ * a DESTROY_SESSION request
+ */
+static int nfs4_xdr_enc_destroy_session(struct rpc_rqst *req, uint32_t *p,
+                                       struct nfs4_session *session)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = session->clp->cl_minorversion,
+       };
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_destroy_session(&xdr, session, &hdr);
+       encode_nops(&hdr);
+       return 0;
+}
+
+/*
+ * a SEQUENCE request
+ */
+static int nfs4_xdr_enc_sequence(struct rpc_rqst *req, uint32_t *p,
+                                struct nfs4_sequence_args *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = nfs4_xdr_minorversion(args),
+       };
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, args, &hdr);
+       encode_nops(&hdr);
+       return 0;
+}
+
+/*
+ * a GET_LEASE_TIME request
  */
-#define READ32(x)         (x) = ntohl(*p++)
-#define READ64(x)         do {                 \
-       (x) = (u64)ntohl(*p++) << 32;           \
-       (x) |= ntohl(*p++);                     \
-} while (0)
-#define READTIME(x)       do {                 \
-       p++;                                    \
-       (x.tv_sec) = ntohl(*p++);               \
-       (x.tv_nsec) = ntohl(*p++);              \
-} while (0)
-#define COPYMEM(x,nbytes) do {                 \
-       memcpy((x), p, nbytes);                 \
-       p += XDR_QUADLEN(nbytes);               \
-} while (0)
-
-#define READ_BUF(nbytes)  do { \
-       p = xdr_inline_decode(xdr, nbytes); \
-       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 nfs4_xdr_enc_get_lease_time(struct rpc_rqst *req, uint32_t *p,
+                                      struct nfs4_get_lease_time_args *args)
+{
+       struct xdr_stream xdr;
+       struct compound_hdr hdr = {
+               .minorversion = nfs4_xdr_minorversion(&args->la_seq_args),
+       };
+       const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
+
+       xdr_init_encode(&xdr, &req->rq_snd_buf, p);
+       encode_compound_hdr(&xdr, req, &hdr);
+       encode_sequence(&xdr, &args->la_seq_args, &hdr);
+       encode_putrootfh(&xdr, &hdr);
+       encode_fsinfo(&xdr, lease_bitmap, &hdr);
+       encode_nops(&hdr);
+       return 0;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
+static void print_overflow_msg(const char *func, const struct xdr_stream *xdr)
+{
+       dprintk("nfs: %s: prematurely hit end of receive buffer. "
+               "Remaining buffer length is %tu words.\n",
+               func, xdr->end - xdr->p);
+}
 
 static int decode_opaque_inline(struct xdr_stream *xdr, unsigned int *len, char **string)
 {
        __be32 *p;
 
-       READ_BUF(4);
-       READ32(*len);
-       READ_BUF(*len);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       *len = be32_to_cpup(p);
+       p = xdr_inline_decode(xdr, *len);
+       if (unlikely(!p))
+               goto out_overflow;
        *string = (char *)p;
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
 {
        __be32 *p;
 
-       READ_BUF(8);
-       READ32(hdr->status);
-       READ32(hdr->taglen);
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       hdr->status = be32_to_cpup(p++);
+       hdr->taglen = be32_to_cpup(p);
 
-       READ_BUF(hdr->taglen + 4);
+       p = xdr_inline_decode(xdr, hdr->taglen + 4);
+       if (unlikely(!p))
+               goto out_overflow;
        hdr->tag = (char *)p;
        p += XDR_QUADLEN(hdr->taglen);
-       READ32(hdr->nops);
+       hdr->nops = be32_to_cpup(p);
        if (unlikely(hdr->nops < 1))
                return nfs4_stat_to_errno(hdr->status);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
@@ -2091,18 +2477,23 @@ static int decode_op_hdr(struct xdr_stream *xdr, enum nfs_opnum4 expected)
        uint32_t opnum;
        int32_t nfserr;
 
-       READ_BUF(8);
-       READ32(opnum);
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       opnum = be32_to_cpup(p++);
        if (opnum != expected) {
                dprintk("nfs: Server returned operation"
                        " %d but we issued a request for %d\n",
                                opnum, expected);
                return -EIO;
        }
-       READ32(nfserr);
+       nfserr = be32_to_cpup(p);
        if (nfserr != NFS_OK)
                return nfs4_stat_to_errno(nfserr);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 /* Dummy routine */
@@ -2112,8 +2503,11 @@ static int decode_ace(struct xdr_stream *xdr, void *ace, struct nfs_client *clp)
        unsigned int strlen;
        char *str;
 
-       READ_BUF(12);
-       return decode_opaque_inline(xdr, &strlen, &str);
+       p = xdr_inline_decode(xdr, 12);
+       if (likely(p))
+               return decode_opaque_inline(xdr, &strlen, &str);
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
@@ -2121,27 +2515,39 @@ static int decode_attr_bitmap(struct xdr_stream *xdr, uint32_t *bitmap)
        uint32_t bmlen;
        __be32 *p;
 
-       READ_BUF(4);
-       READ32(bmlen);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       bmlen = be32_to_cpup(p);
 
        bitmap[0] = bitmap[1] = 0;
-       READ_BUF((bmlen << 2));
+       p = xdr_inline_decode(xdr, (bmlen << 2));
+       if (unlikely(!p))
+               goto out_overflow;
        if (bmlen > 0) {
-               READ32(bitmap[0]);
+               bitmap[0] = be32_to_cpup(p++);
                if (bmlen > 1)
-                       READ32(bitmap[1]);
+                       bitmap[1] = be32_to_cpup(p);
        }
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static inline int decode_attr_length(struct xdr_stream *xdr, uint32_t *attrlen, __be32 **savep)
 {
        __be32 *p;
 
-       READ_BUF(4);
-       READ32(*attrlen);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       *attrlen = be32_to_cpup(p);
        *savep = xdr->p;
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_supported(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *bitmask)
@@ -2164,8 +2570,10 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *
        if (unlikely(bitmap[0] & (FATTR4_WORD0_TYPE - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_TYPE)) {
-               READ_BUF(4);
-               READ32(*type);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *type = be32_to_cpup(p);
                if (*type < NF4REG || *type > NF4NAMEDATTR) {
                        dprintk("%s: bad type %d\n", __func__, *type);
                        return -EIO;
@@ -2175,6 +2583,9 @@ static int decode_attr_type(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *
        }
        dprintk("%s: type=0%o\n", __func__, nfs_type2fmt[*type]);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *change)
@@ -2186,14 +2597,19 @@ static int decode_attr_change(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t
        if (unlikely(bitmap[0] & (FATTR4_WORD0_CHANGE - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_CHANGE)) {
-               READ_BUF(8);
-               READ64(*change);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, change);
                bitmap[0] &= ~FATTR4_WORD0_CHANGE;
                ret = NFS_ATTR_FATTR_CHANGE;
        }
        dprintk("%s: change attribute=%Lu\n", __func__,
                        (unsigned long long)*change);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *size)
@@ -2205,13 +2621,18 @@ static int decode_attr_size(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *
        if (unlikely(bitmap[0] & (FATTR4_WORD0_SIZE - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_SIZE)) {
-               READ_BUF(8);
-               READ64(*size);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, size);
                bitmap[0] &= ~FATTR4_WORD0_SIZE;
                ret = NFS_ATTR_FATTR_SIZE;
        }
        dprintk("%s: file size=%Lu\n", __func__, (unsigned long long)*size);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2222,12 +2643,17 @@ static int decode_attr_link_support(struct xdr_stream *xdr, uint32_t *bitmap, ui
        if (unlikely(bitmap[0] & (FATTR4_WORD0_LINK_SUPPORT - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_LINK_SUPPORT)) {
-               READ_BUF(4);
-               READ32(*res);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *res = be32_to_cpup(p);
                bitmap[0] &= ~FATTR4_WORD0_LINK_SUPPORT;
        }
        dprintk("%s: link support=%s\n", __func__, *res == 0 ? "false" : "true");
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2238,12 +2664,17 @@ static int decode_attr_symlink_support(struct xdr_stream *xdr, uint32_t *bitmap,
        if (unlikely(bitmap[0] & (FATTR4_WORD0_SYMLINK_SUPPORT - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_SYMLINK_SUPPORT)) {
-               READ_BUF(4);
-               READ32(*res);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *res = be32_to_cpup(p);
                bitmap[0] &= ~FATTR4_WORD0_SYMLINK_SUPPORT;
        }
        dprintk("%s: symlink support=%s\n", __func__, *res == 0 ? "false" : "true");
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_fsid *fsid)
@@ -2256,9 +2687,11 @@ static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs
        if (unlikely(bitmap[0] & (FATTR4_WORD0_FSID - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_FSID)) {
-               READ_BUF(16);
-               READ64(fsid->major);
-               READ64(fsid->minor);
+               p = xdr_inline_decode(xdr, 16);
+               if (unlikely(!p))
+                       goto out_overflow;
+               p = xdr_decode_hyper(p, &fsid->major);
+               xdr_decode_hyper(p, &fsid->minor);
                bitmap[0] &= ~FATTR4_WORD0_FSID;
                ret = NFS_ATTR_FATTR_FSID;
        }
@@ -2266,6 +2699,9 @@ static int decode_attr_fsid(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs
                        (unsigned long long)fsid->major,
                        (unsigned long long)fsid->minor);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2276,12 +2712,17 @@ static int decode_attr_lease_time(struct xdr_stream *xdr, uint32_t *bitmap, uint
        if (unlikely(bitmap[0] & (FATTR4_WORD0_LEASE_TIME - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_LEASE_TIME)) {
-               READ_BUF(4);
-               READ32(*res);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *res = be32_to_cpup(p);
                bitmap[0] &= ~FATTR4_WORD0_LEASE_TIME;
        }
        dprintk("%s: file size=%u\n", __func__, (unsigned int)*res);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2292,12 +2733,17 @@ static int decode_attr_aclsupport(struct xdr_stream *xdr, uint32_t *bitmap, uint
        if (unlikely(bitmap[0] & (FATTR4_WORD0_ACLSUPPORT - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_ACLSUPPORT)) {
-               READ_BUF(4);
-               READ32(*res);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *res = be32_to_cpup(p);
                bitmap[0] &= ~FATTR4_WORD0_ACLSUPPORT;
        }
        dprintk("%s: ACLs supported=%u\n", __func__, (unsigned int)*res);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
@@ -2309,13 +2755,18 @@ static int decode_attr_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t
        if (unlikely(bitmap[0] & (FATTR4_WORD0_FILEID - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_FILEID)) {
-               READ_BUF(8);
-               READ64(*fileid);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, fileid);
                bitmap[0] &= ~FATTR4_WORD0_FILEID;
                ret = NFS_ATTR_FATTR_FILEID;
        }
        dprintk("%s: fileid=%Lu\n", __func__, (unsigned long long)*fileid);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *fileid)
@@ -2327,13 +2778,18 @@ static int decode_attr_mounted_on_fileid(struct xdr_stream *xdr, uint32_t *bitma
        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);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, 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;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2345,12 +2801,17 @@ static int decode_attr_files_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin
        if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_AVAIL - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_FILES_AVAIL)) {
-               READ_BUF(8);
-               READ64(*res);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, res);
                bitmap[0] &= ~FATTR4_WORD0_FILES_AVAIL;
        }
        dprintk("%s: files avail=%Lu\n", __func__, (unsigned long long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2362,12 +2823,17 @@ static int decode_attr_files_free(struct xdr_stream *xdr, uint32_t *bitmap, uint
        if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_FREE - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_FILES_FREE)) {
-               READ_BUF(8);
-               READ64(*res);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, res);
                bitmap[0] &= ~FATTR4_WORD0_FILES_FREE;
        }
        dprintk("%s: files free=%Lu\n", __func__, (unsigned long long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2379,12 +2845,17 @@ static int decode_attr_files_total(struct xdr_stream *xdr, uint32_t *bitmap, uin
        if (unlikely(bitmap[0] & (FATTR4_WORD0_FILES_TOTAL - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_FILES_TOTAL)) {
-               READ_BUF(8);
-               READ64(*res);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, res);
                bitmap[0] &= ~FATTR4_WORD0_FILES_TOTAL;
        }
        dprintk("%s: files total=%Lu\n", __func__, (unsigned long long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path)
@@ -2393,8 +2864,10 @@ static int decode_pathname(struct xdr_stream *xdr, struct nfs4_pathname *path)
        __be32 *p;
        int status = 0;
 
-       READ_BUF(4);
-       READ32(n);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       n = be32_to_cpup(p);
        if (n == 0)
                goto root_path;
        dprintk("path ");
@@ -2428,6 +2901,9 @@ out_eio:
        dprintk(" status %d", status);
        status = -EIO;
        goto out;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs4_fs_locations *res)
@@ -2445,8 +2921,10 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st
        status = decode_pathname(xdr, &res->fs_path);
        if (unlikely(status != 0))
                goto out;
-       READ_BUF(4);
-       READ32(n);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       n = be32_to_cpup(p);
        if (n <= 0)
                goto out_eio;
        res->nlocations = 0;
@@ -2454,8 +2932,10 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st
                u32 m;
                struct nfs4_fs_location *loc = &res->locations[res->nlocations];
 
-               READ_BUF(4);
-               READ32(m);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               m = be32_to_cpup(p);
 
                loc->nservers = 0;
                dprintk("%s: servers ", __func__);
@@ -2494,6 +2974,8 @@ static int decode_attr_fs_locations(struct xdr_stream *xdr, uint32_t *bitmap, st
 out:
        dprintk("%s: fs_locations done, error = %d\n", __func__, status);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
 out_eio:
        status = -EIO;
        goto out;
@@ -2508,12 +2990,17 @@ static int decode_attr_maxfilesize(struct xdr_stream *xdr, uint32_t *bitmap, uin
        if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXFILESIZE - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_MAXFILESIZE)) {
-               READ_BUF(8);
-               READ64(*res);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, res);
                bitmap[0] &= ~FATTR4_WORD0_MAXFILESIZE;
        }
        dprintk("%s: maxfilesize=%Lu\n", __func__, (unsigned long long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxlink)
@@ -2525,12 +3012,17 @@ static int decode_attr_maxlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
        if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXLINK - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_MAXLINK)) {
-               READ_BUF(4);
-               READ32(*maxlink);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *maxlink = be32_to_cpup(p);
                bitmap[0] &= ~FATTR4_WORD0_MAXLINK;
        }
        dprintk("%s: maxlink=%u\n", __func__, *maxlink);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *maxname)
@@ -2542,12 +3034,17 @@ static int decode_attr_maxname(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
        if (unlikely(bitmap[0] & (FATTR4_WORD0_MAXNAME - 1U)))
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_MAXNAME)) {
-               READ_BUF(4);
-               READ32(*maxname);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *maxname = be32_to_cpup(p);
                bitmap[0] &= ~FATTR4_WORD0_MAXNAME;
        }
        dprintk("%s: maxname=%u\n", __func__, *maxname);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2560,8 +3057,10 @@ static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_MAXREAD)) {
                uint64_t maxread;
-               READ_BUF(8);
-               READ64(maxread);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, &maxread);
                if (maxread > 0x7FFFFFFF)
                        maxread = 0x7FFFFFFF;
                *res = (uint32_t)maxread;
@@ -2569,6 +3068,9 @@ static int decode_attr_maxread(struct xdr_stream *xdr, uint32_t *bitmap, uint32_
        }
        dprintk("%s: maxread=%lu\n", __func__, (unsigned long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *res)
@@ -2581,8 +3083,10 @@ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32
                return -EIO;
        if (likely(bitmap[0] & FATTR4_WORD0_MAXWRITE)) {
                uint64_t maxwrite;
-               READ_BUF(8);
-               READ64(maxwrite);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, &maxwrite);
                if (maxwrite > 0x7FFFFFFF)
                        maxwrite = 0x7FFFFFFF;
                *res = (uint32_t)maxwrite;
@@ -2590,6 +3094,9 @@ static int decode_attr_maxwrite(struct xdr_stream *xdr, uint32_t *bitmap, uint32
        }
        dprintk("%s: maxwrite=%lu\n", __func__, (unsigned long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *mode)
@@ -2602,14 +3109,19 @@ static int decode_attr_mode(struct xdr_stream *xdr, uint32_t *bitmap, umode_t *m
        if (unlikely(bitmap[1] & (FATTR4_WORD1_MODE - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_MODE)) {
-               READ_BUF(4);
-               READ32(tmp);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               tmp = be32_to_cpup(p);
                *mode = tmp & ~S_IFMT;
                bitmap[1] &= ~FATTR4_WORD1_MODE;
                ret = NFS_ATTR_FATTR_MODE;
        }
        dprintk("%s: file mode=0%o\n", __func__, (unsigned int)*mode);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t *nlink)
@@ -2621,16 +3133,22 @@ static int decode_attr_nlink(struct xdr_stream *xdr, uint32_t *bitmap, uint32_t
        if (unlikely(bitmap[1] & (FATTR4_WORD1_NUMLINKS - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_NUMLINKS)) {
-               READ_BUF(4);
-               READ32(*nlink);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               *nlink = be32_to_cpup(p);
                bitmap[1] &= ~FATTR4_WORD1_NUMLINKS;
                ret = NFS_ATTR_FATTR_NLINK;
        }
        dprintk("%s: nlink=%u\n", __func__, (unsigned int)*nlink);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
-static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *uid)
+static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap,
+               struct nfs_client *clp, uint32_t *uid, int may_sleep)
 {
        uint32_t len;
        __be32 *p;
@@ -2640,10 +3158,16 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
        if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_OWNER)) {
-               READ_BUF(4);
-               READ32(len);
-               READ_BUF(len);
-               if (len < XDR_MAX_NETOBJ) {
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               len = be32_to_cpup(p);
+               p = xdr_inline_decode(xdr, len);
+               if (unlikely(!p))
+                       goto out_overflow;
+               if (!may_sleep) {
+                       /* do nothing */
+               } else if (len < XDR_MAX_NETOBJ) {
                        if (nfs_map_name_to_uid(clp, (char *)p, len, uid) == 0)
                                ret = NFS_ATTR_FATTR_OWNER;
                        else
@@ -2656,9 +3180,13 @@ static int decode_attr_owner(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
        }
        dprintk("%s: uid=%d\n", __func__, (int)*uid);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
-static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nfs_client *clp, uint32_t *gid)
+static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap,
+               struct nfs_client *clp, uint32_t *gid, int may_sleep)
 {
        uint32_t len;
        __be32 *p;
@@ -2668,10 +3196,16 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
        if (unlikely(bitmap[1] & (FATTR4_WORD1_OWNER_GROUP - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_OWNER_GROUP)) {
-               READ_BUF(4);
-               READ32(len);
-               READ_BUF(len);
-               if (len < XDR_MAX_NETOBJ) {
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               len = be32_to_cpup(p);
+               p = xdr_inline_decode(xdr, len);
+               if (unlikely(!p))
+                       goto out_overflow;
+               if (!may_sleep) {
+                       /* do nothing */
+               } else if (len < XDR_MAX_NETOBJ) {
                        if (nfs_map_group_to_gid(clp, (char *)p, len, gid) == 0)
                                ret = NFS_ATTR_FATTR_GROUP;
                        else
@@ -2684,6 +3218,9 @@ static int decode_attr_group(struct xdr_stream *xdr, uint32_t *bitmap, struct nf
        }
        dprintk("%s: gid=%d\n", __func__, (int)*gid);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rdev)
@@ -2698,9 +3235,11 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde
        if (likely(bitmap[1] & FATTR4_WORD1_RAWDEV)) {
                dev_t tmp;
 
-               READ_BUF(8);
-               READ32(major);
-               READ32(minor);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               major = be32_to_cpup(p++);
+               minor = be32_to_cpup(p);
                tmp = MKDEV(major, minor);
                if (MAJOR(tmp) == major && MINOR(tmp) == minor)
                        *rdev = tmp;
@@ -2709,6 +3248,9 @@ static int decode_attr_rdev(struct xdr_stream *xdr, uint32_t *bitmap, dev_t *rde
        }
        dprintk("%s: rdev=(0x%x:0x%x)\n", __func__, major, minor);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2720,12 +3262,17 @@ static int decode_attr_space_avail(struct xdr_stream *xdr, uint32_t *bitmap, uin
        if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_AVAIL - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_SPACE_AVAIL)) {
-               READ_BUF(8);
-               READ64(*res);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, res);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_AVAIL;
        }
        dprintk("%s: space avail=%Lu\n", __func__, (unsigned long long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2737,12 +3284,17 @@ static int decode_attr_space_free(struct xdr_stream *xdr, uint32_t *bitmap, uint
        if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_FREE - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_SPACE_FREE)) {
-               READ_BUF(8);
-               READ64(*res);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, res);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_FREE;
        }
        dprintk("%s: space free=%Lu\n", __func__, (unsigned long long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *res)
@@ -2754,12 +3306,17 @@ static int decode_attr_space_total(struct xdr_stream *xdr, uint32_t *bitmap, uin
        if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_TOTAL - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_SPACE_TOTAL)) {
-               READ_BUF(8);
-               READ64(*res);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, res);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_TOTAL;
        }
        dprintk("%s: space total=%Lu\n", __func__, (unsigned long long)*res);
        return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint64_t *used)
@@ -2771,14 +3328,19 @@ static int decode_attr_space_used(struct xdr_stream *xdr, uint32_t *bitmap, uint
        if (unlikely(bitmap[1] & (FATTR4_WORD1_SPACE_USED - 1U)))
                return -EIO;
        if (likely(bitmap[1] & FATTR4_WORD1_SPACE_USED)) {
-               READ_BUF(8);
-               READ64(*used);
+               p = xdr_inline_decode(xdr, 8);
+               if (unlikely(!p))
+                       goto out_overflow;
+               xdr_decode_hyper(p, used);
                bitmap[1] &= ~FATTR4_WORD1_SPACE_USED;
                ret = NFS_ATTR_FATTR_SPACE_USED;
        }
        dprintk("%s: space used=%Lu\n", __func__,
                        (unsigned long long)*used);
        return ret;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
@@ -2787,12 +3349,17 @@ static int decode_attr_time(struct xdr_stream *xdr, struct timespec *time)
        uint64_t sec;
        uint32_t nsec;
 
-       READ_BUF(12);
-       READ64(sec);
-       READ32(nsec);
+       p = xdr_inline_decode(xdr, 12);
+       if (unlikely(!p))
+               goto out_overflow;
+       p = xdr_decode_hyper(p, &sec);
+       nsec = be32_to_cpup(p);
        time->tv_sec = (time_t)sec;
        time->tv_nsec = (long)nsec;
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_attr_time_access(struct xdr_stream *xdr, uint32_t *bitmap, struct timespec *time)
@@ -2870,11 +3437,16 @@ static int decode_change_info(struct xdr_stream *xdr, struct nfs4_change_info *c
 {
        __be32 *p;
 
-       READ_BUF(20);
-       READ32(cinfo->atomic);
-       READ64(cinfo->before);
-       READ64(cinfo->after);
+       p = xdr_inline_decode(xdr, 20);
+       if (unlikely(!p))
+               goto out_overflow;
+       cinfo->atomic = be32_to_cpup(p++);
+       p = xdr_decode_hyper(p, &cinfo->before);
+       xdr_decode_hyper(p, &cinfo->after);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
@@ -2886,40 +3458,62 @@ static int decode_access(struct xdr_stream *xdr, struct nfs4_accessres *access)
        status = decode_op_hdr(xdr, OP_ACCESS);
        if (status)
                return status;
-       READ_BUF(8);
-       READ32(supp);
-       READ32(acc);
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       supp = be32_to_cpup(p++);
+       acc = be32_to_cpup(p);
        access->supported = supp;
        access->access = acc;
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
-static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
+static int decode_opaque_fixed(struct xdr_stream *xdr, void *buf, size_t len)
 {
        __be32 *p;
+
+       p = xdr_inline_decode(xdr, len);
+       if (likely(p)) {
+               memcpy(buf, p, len);
+               return 0;
+       }
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
+}
+
+static int decode_stateid(struct xdr_stream *xdr, nfs4_stateid *stateid)
+{
+       return decode_opaque_fixed(xdr, stateid->data, NFS4_STATEID_SIZE);
+}
+
+static int decode_close(struct xdr_stream *xdr, struct nfs_closeres *res)
+{
        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(NFS4_STATEID_SIZE);
-       COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
-       return 0;
+       if (!status)
+               status = decode_stateid(xdr, &res->stateid);
+       return status;
+}
+
+static int decode_verifier(struct xdr_stream *xdr, void *verifier)
+{
+       return decode_opaque_fixed(xdr, verifier, 8);
 }
 
 static int decode_commit(struct xdr_stream *xdr, struct nfs_writeres *res)
 {
-       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_COMMIT);
-       if (status)
-               return status;
-       READ_BUF(8);
-       COPYMEM(res->verf->verifier, 8);
-       return 0;
+       if (!status)
+               status = decode_verifier(xdr, res->verf->verifier);
+       return status;
 }
 
 static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
@@ -2933,10 +3527,16 @@ static int decode_create(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
                return status;
        if ((status = decode_change_info(xdr, cinfo)))
                return status;
-       READ_BUF(4);
-       READ32(bmlen);
-       READ_BUF(bmlen << 2);
-       return 0;
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       bmlen = be32_to_cpup(p);
+       p = xdr_inline_decode(xdr, bmlen << 2);
+       if (likely(p))
+               return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_server_caps(struct xdr_stream *xdr, struct nfs4_server_caps_res *res)
@@ -3021,7 +3621,8 @@ xdr_error:
        return status;
 }
 
-static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, const struct nfs_server *server)
+static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr,
+               const struct nfs_server *server, int may_sleep)
 {
        __be32 *savep;
        uint32_t attrlen,
@@ -3093,12 +3694,14 @@ static int decode_getfattr(struct xdr_stream *xdr, struct nfs_fattr *fattr, cons
                goto xdr_error;
        fattr->valid |= status;
 
-       status = decode_attr_owner(xdr, bitmap, server->nfs_client, &fattr->uid);
+       status = decode_attr_owner(xdr, bitmap, server->nfs_client,
+                       &fattr->uid, may_sleep);
        if (status < 0)
                goto xdr_error;
        fattr->valid |= status;
 
-       status = decode_attr_group(xdr, bitmap, server->nfs_client, &fattr->gid);
+       status = decode_attr_group(xdr, bitmap, server->nfs_client,
+                       &fattr->gid, may_sleep);
        if (status < 0)
                goto xdr_error;
        fattr->valid |= status;
@@ -3188,14 +3791,21 @@ static int decode_getfh(struct xdr_stream *xdr, struct nfs_fh *fh)
        if (status)
                return status;
 
-       READ_BUF(4);
-       READ32(len);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       len = be32_to_cpup(p);
        if (len > NFS4_FHSIZE)
                return -EIO;
        fh->size = len;
-       READ_BUF(len);
-       COPYMEM(fh->data, len);
+       p = xdr_inline_decode(xdr, len);
+       if (unlikely(!p))
+               goto out_overflow;
+       memcpy(fh->data, p, len);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_link(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
@@ -3217,10 +3827,12 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
        __be32 *p;
        uint32_t namelen, type;
 
-       READ_BUF(32);
-       READ64(offset);
-       READ64(length);
-       READ32(type);
+       p = xdr_inline_decode(xdr, 32);
+       if (unlikely(!p))
+               goto out_overflow;
+       p = xdr_decode_hyper(p, &offset);
+       p = xdr_decode_hyper(p, &length);
+       type = be32_to_cpup(p++);
        if (fl != NULL) {
                fl->fl_start = (loff_t)offset;
                fl->fl_end = fl->fl_start + (loff_t)length - 1;
@@ -3231,23 +3843,27 @@ static int decode_lock_denied (struct xdr_stream *xdr, struct file_lock *fl)
                        fl->fl_type = F_RDLCK;
                fl->fl_pid = 0;
        }
-       READ64(clientid);
-       READ32(namelen);
-       READ_BUF(namelen);
-       return -NFS4ERR_DENIED;
+       p = xdr_decode_hyper(p, &clientid);
+       namelen = be32_to_cpup(p);
+       p = xdr_inline_decode(xdr, namelen);
+       if (likely(p))
+               return -NFS4ERR_DENIED;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_lock(struct xdr_stream *xdr, struct nfs_lock_res *res)
 {
-       __be32 *p;
        int status;
 
        status = decode_op_hdr(xdr, OP_LOCK);
        if (status == -EIO)
                goto out;
        if (status == 0) {
-               READ_BUF(NFS4_STATEID_SIZE);
-               COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
+               status = decode_stateid(xdr, &res->stateid);
+               if (unlikely(status))
+                       goto out;
        } else if (status == -NFS4ERR_DENIED)
                status = decode_lock_denied(xdr, NULL);
        if (res->open_seqid != NULL)
@@ -3268,16 +3884,13 @@ 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)
 {
-       __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(NFS4_STATEID_SIZE);
-               COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
-       }
+       if (status == 0)
+               status = decode_stateid(xdr, &res->stateid);
        return status;
 }
 
@@ -3292,34 +3905,46 @@ static int decode_space_limit(struct xdr_stream *xdr, u64 *maxsize)
        __be32 *p;
        uint32_t limit_type, nblocks, blocksize;
 
-       READ_BUF(12);
-       READ32(limit_type);
+       p = xdr_inline_decode(xdr, 12);
+       if (unlikely(!p))
+               goto out_overflow;
+       limit_type = be32_to_cpup(p++);
        switch (limit_type) {
        case 1:
-               READ64(*maxsize);
+               xdr_decode_hyper(p, maxsize);
                break;
        case 2:
-               READ32(nblocks);
-               READ32(blocksize);
+               nblocks = be32_to_cpup(p++);
+               blocksize = be32_to_cpup(p);
                *maxsize = (uint64_t)nblocks * (uint64_t)blocksize;
        }
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
 {
        __be32 *p;
        uint32_t delegation_type;
+       int status;
 
-       READ_BUF(4);
-       READ32(delegation_type);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       delegation_type = be32_to_cpup(p);
        if (delegation_type == NFS4_OPEN_DELEGATE_NONE) {
                res->delegation_type = 0;
                return 0;
        }
-       READ_BUF(NFS4_STATEID_SIZE+4);
-       COPYMEM(res->delegation.data, NFS4_STATEID_SIZE);
-       READ32(res->do_recall);
+       status = decode_stateid(xdr, &res->delegation);
+       if (unlikely(status))
+               return status;
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       res->do_recall = be32_to_cpup(p);
 
        switch (delegation_type) {
        case NFS4_OPEN_DELEGATE_READ:
@@ -3331,6 +3956,9 @@ static int decode_delegation(struct xdr_stream *xdr, struct nfs_openres *res)
                                return -EIO;
        }
        return decode_ace(xdr, NULL, res->server->nfs_client);
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
@@ -3342,23 +3970,27 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
        status = decode_op_hdr(xdr, OP_OPEN);
        if (status != -EIO)
                nfs_increment_open_seqid(status, res->seqid);
-       if (status)
+       if (!status)
+               status = decode_stateid(xdr, &res->stateid);
+       if (unlikely(status))
                return status;
-       READ_BUF(NFS4_STATEID_SIZE);
-       COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
 
        decode_change_info(xdr, &res->cinfo);
 
-       READ_BUF(8);
-       READ32(res->rflags);
-       READ32(bmlen);
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       res->rflags = be32_to_cpup(p++);
+       bmlen = be32_to_cpup(p);
        if (bmlen > 10)
                goto xdr_error;
 
-       READ_BUF(bmlen << 2);
+       p = xdr_inline_decode(xdr, bmlen << 2);
+       if (unlikely(!p))
+               goto out_overflow;
        savewords = min_t(uint32_t, bmlen, NFS4_BITMAP_SIZE);
        for (i = 0; i < savewords; ++i)
-               READ32(res->attrset[i]);
+               res->attrset[i] = be32_to_cpup(p++);
        for (; i < NFS4_BITMAP_SIZE; i++)
                res->attrset[i] = 0;
 
@@ -3366,36 +3998,33 @@ static int decode_open(struct xdr_stream *xdr, struct nfs_openres *res)
 xdr_error:
        dprintk("%s: Bitmap too large! Length = %u\n", __func__, bmlen);
        return -EIO;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_open_confirm(struct xdr_stream *xdr, struct nfs_open_confirmres *res)
 {
-       __be32 *p;
        int status;
 
        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;
+       if (!status)
+               status = decode_stateid(xdr, &res->stateid);
+       return status;
 }
 
 static int decode_open_downgrade(struct xdr_stream *xdr, struct nfs_closeres *res)
 {
-       __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(NFS4_STATEID_SIZE);
-       COPYMEM(res->stateid.data, NFS4_STATEID_SIZE);
-       return 0;
+       if (!status)
+               status = decode_stateid(xdr, &res->stateid);
+       return status;
 }
 
 static int decode_putfh(struct xdr_stream *xdr)
@@ -3418,9 +4047,11 @@ static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_
        status = decode_op_hdr(xdr, OP_READ);
        if (status)
                return status;
-       READ_BUF(8);
-       READ32(eof);
-       READ32(count);
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       eof = be32_to_cpup(p++);
+       count = be32_to_cpup(p);
        hdrlen = (u8 *) p - (u8 *) iov->iov_base;
        recvd = req->rq_rcv_buf.len - hdrlen;
        if (count > recvd) {
@@ -3433,6 +4064,9 @@ static int decode_read(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs_
        res->eof = eof;
        res->count = count;
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct nfs4_readdir_res *readdir)
@@ -3447,17 +4081,17 @@ static int decode_readdir(struct xdr_stream *xdr, struct rpc_rqst *req, struct n
        int             status;
 
        status = decode_op_hdr(xdr, OP_READDIR);
-       if (status)
+       if (!status)
+               status = decode_verifier(xdr, readdir->verifier.data);
+       if (unlikely(status))
                return status;
-       READ_BUF(8);
-       COPYMEM(readdir->verifier.data, 8);
        dprintk("%s: verifier = %08x:%08x\n",
                        __func__,
                        ((u32 *)readdir->verifier.data)[0],
                        ((u32 *)readdir->verifier.data)[1]);
 
 
-       hdrlen = (char *) p - (char *) iov->iov_base;
+       hdrlen = (char *) xdr->p - (char *) iov->iov_base;
        recvd = rcvbuf->len - hdrlen;
        if (pglen > recvd)
                pglen = recvd;
@@ -3545,8 +4179,10 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
                return status;
 
        /* Convert length of symlink */
-       READ_BUF(4);
-       READ32(len);
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       len = be32_to_cpup(p);
        if (len >= rcvbuf->page_len || len <= 0) {
                dprintk("nfs: server returned giant symlink!\n");
                return -ENAMETOOLONG;
@@ -3570,6 +4206,9 @@ static int decode_readlink(struct xdr_stream *xdr, struct rpc_rqst *req)
        kaddr[len+rcvbuf->page_base] = '\0';
        kunmap_atomic(kaddr, KM_USER0);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_remove(struct xdr_stream *xdr, struct nfs4_change_info *cinfo)
@@ -3658,7 +4297,7 @@ 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)
 {
        __be32 *p;
        uint32_t bmlen;
@@ -3667,10 +4306,16 @@ static int decode_setattr(struct xdr_stream *xdr, struct nfs_setattrres *res)
        status = decode_op_hdr(xdr, OP_SETATTR);
        if (status)
                return status;
-       READ_BUF(4);
-       READ32(bmlen);
-       READ_BUF(bmlen << 2);
-       return 0;
+       p = xdr_inline_decode(xdr, 4);
+       if (unlikely(!p))
+               goto out_overflow;
+       bmlen = be32_to_cpup(p);
+       p = xdr_inline_decode(xdr, bmlen << 2);
+       if (likely(p))
+               return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
@@ -3679,35 +4324,50 @@ static int decode_setclientid(struct xdr_stream *xdr, struct nfs_client *clp)
        uint32_t opnum;
        int32_t nfserr;
 
-       READ_BUF(8);
-       READ32(opnum);
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       opnum = be32_to_cpup(p++);
        if (opnum != OP_SETCLIENTID) {
                dprintk("nfs: decode_setclientid: Server returned operation"
                        " %d\n", opnum);
                return -EIO;
        }
-       READ32(nfserr);
+       nfserr = be32_to_cpup(p);
        if (nfserr == NFS_OK) {
-               READ_BUF(8 + NFS4_VERIFIER_SIZE);
-               READ64(clp->cl_clientid);
-               COPYMEM(clp->cl_confirm.data, NFS4_VERIFIER_SIZE);
+               p = xdr_inline_decode(xdr, 8 + NFS4_VERIFIER_SIZE);
+               if (unlikely(!p))
+                       goto out_overflow;
+               p = xdr_decode_hyper(p, &clp->cl_clientid);
+               memcpy(clp->cl_confirm.data, p, NFS4_VERIFIER_SIZE);
        } else if (nfserr == NFSERR_CLID_INUSE) {
                uint32_t len;
 
                /* skip netid string */
-               READ_BUF(4);
-               READ32(len);
-               READ_BUF(len);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               len = be32_to_cpup(p);
+               p = xdr_inline_decode(xdr, len);
+               if (unlikely(!p))
+                       goto out_overflow;
 
                /* skip uaddr string */
-               READ_BUF(4);
-               READ32(len);
-               READ_BUF(len);
+               p = xdr_inline_decode(xdr, 4);
+               if (unlikely(!p))
+                       goto out_overflow;
+               len = be32_to_cpup(p);
+               p = xdr_inline_decode(xdr, len);
+               if (unlikely(!p))
+                       goto out_overflow;
                return -NFSERR_CLID_INUSE;
        } else
                return nfs4_stat_to_errno(nfserr);
 
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_setclientid_confirm(struct xdr_stream *xdr)
@@ -3724,11 +4384,16 @@ static int decode_write(struct xdr_stream *xdr, struct nfs_writeres *res)
        if (status)
                return status;
 
-       READ_BUF(16);
-       READ32(res->count);
-       READ32(res->verf->committed);
-       COPYMEM(res->verf->verifier, 8);
+       p = xdr_inline_decode(xdr, 16);
+       if (unlikely(!p))
+               goto out_overflow;
+       res->count = be32_to_cpup(p++);
+       res->verf->committed = be32_to_cpup(p++);
+       memcpy(res->verf->verifier, p, 8);
        return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
 }
 
 static int decode_delegreturn(struct xdr_stream *xdr)
@@ -3736,6 +4401,203 @@ 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;
+       char *dummy_str;
+       int status;
+       struct nfs_client *clp = res->client;
+
+       status = decode_op_hdr(xdr, OP_EXCHANGE_ID);
+       if (status)
+               return status;
+
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       xdr_decode_hyper(p, &clp->cl_ex_clid);
+       p = xdr_inline_decode(xdr, 12);
+       if (unlikely(!p))
+               goto out_overflow;
+       clp->cl_seqid = be32_to_cpup(p++);
+       clp->cl_exchange_flags = be32_to_cpup(p++);
+
+       /* We ask for SP4_NONE */
+       dummy = be32_to_cpup(p);
+       if (dummy != SP4_NONE)
+               return -EIO;
+
+       /* Throw away minor_id */
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+
+       /* Throw away Major id */
+       status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+       if (unlikely(status))
+               return status;
+
+       /* Throw away server_scope */
+       status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+       if (unlikely(status))
+               return status;
+
+       /* Throw away Implementation id array */
+       status = decode_opaque_inline(xdr, &dummy, &dummy_str);
+       if (unlikely(status))
+               return status;
+
+       return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
+}
+
+static int decode_chan_attrs(struct xdr_stream *xdr,
+                            struct nfs4_channel_attrs *attrs)
+{
+       __be32 *p;
+       u32 nr_attrs;
+
+       p = xdr_inline_decode(xdr, 28);
+       if (unlikely(!p))
+               goto out_overflow;
+       attrs->headerpadsz = be32_to_cpup(p++);
+       attrs->max_rqst_sz = be32_to_cpup(p++);
+       attrs->max_resp_sz = be32_to_cpup(p++);
+       attrs->max_resp_sz_cached = be32_to_cpup(p++);
+       attrs->max_ops = be32_to_cpup(p++);
+       attrs->max_reqs = be32_to_cpup(p++);
+       nr_attrs = be32_to_cpup(p);
+       if (unlikely(nr_attrs > 1)) {
+               printk(KERN_WARNING "%s: Invalid rdma channel attrs count %u\n",
+                       __func__, nr_attrs);
+               return -EINVAL;
+       }
+       if (nr_attrs == 1) {
+               p = xdr_inline_decode(xdr, 4); /* skip rdma_attrs */
+               if (unlikely(!p))
+                       goto out_overflow;
+       }
+       return 0;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
+}
+
+static int decode_sessionid(struct xdr_stream *xdr, struct nfs4_sessionid *sid)
+{
+       return decode_opaque_fixed(xdr, sid->data, NFS4_MAX_SESSIONID_LEN);
+}
+
+static int decode_create_session(struct xdr_stream *xdr,
+                                struct nfs41_create_session_res *res)
+{
+       __be32 *p;
+       int status;
+       struct nfs_client *clp = res->client;
+       struct nfs4_session *session = clp->cl_session;
+
+       status = decode_op_hdr(xdr, OP_CREATE_SESSION);
+       if (!status)
+               status = decode_sessionid(xdr, &session->sess_id);
+       if (unlikely(status))
+               return status;
+
+       /* seqid, flags */
+       p = xdr_inline_decode(xdr, 8);
+       if (unlikely(!p))
+               goto out_overflow;
+       clp->cl_seqid = be32_to_cpup(p++);
+       session->flags = be32_to_cpup(p);
+
+       /* Channel attributes */
+       status = decode_chan_attrs(xdr, &session->fc_attrs);
+       if (!status)
+               status = decode_chan_attrs(xdr, &session->bc_attrs);
+       return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       return -EIO;
+}
+
+static int decode_destroy_session(struct xdr_stream *xdr, void *dummy)
+{
+       return decode_op_hdr(xdr, OP_DESTROY_SESSION);
+}
+#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)
+       struct nfs4_slot *slot;
+       struct nfs4_sessionid id;
+       u32 dummy;
+       int status;
+       __be32 *p;
+
+       if (!res->sr_session)
+               return 0;
+
+       status = decode_op_hdr(xdr, OP_SEQUENCE);
+       if (!status)
+               status = decode_sessionid(xdr, &id);
+       if (unlikely(status))
+               goto out_err;
+
+       /*
+        * If the server returns different values for sessionID, slotID or
+        * sequence number, the server is looney tunes.
+        */
+       status = -ESERVERFAULT;
+
+       if (memcmp(id.data, res->sr_session->sess_id.data,
+                  NFS4_MAX_SESSIONID_LEN)) {
+               dprintk("%s Invalid session id\n", __func__);
+               goto out_err;
+       }
+
+       p = xdr_inline_decode(xdr, 20);
+       if (unlikely(!p))
+               goto out_overflow;
+
+       /* seqid */
+       slot = &res->sr_session->fc_slot_table.slots[res->sr_slotid];
+       dummy = be32_to_cpup(p++);
+       if (dummy != slot->seq_nr) {
+               dprintk("%s Invalid sequence number\n", __func__);
+               goto out_err;
+       }
+       /* slot id */
+       dummy = be32_to_cpup(p++);
+       if (dummy != res->sr_slotid) {
+               dprintk("%s Invalid slot id\n", __func__);
+               goto out_err;
+       }
+       /* highest slot id - currently not processed */
+       dummy = be32_to_cpup(p++);
+       /* target highest slot id - currently not processed */
+       dummy = be32_to_cpup(p++);
+       /* result flags - currently not processed */
+       dummy = be32_to_cpup(p);
+       status = 0;
+out_err:
+       res->sr_status = status;
+       return status;
+out_overflow:
+       print_overflow_msg(__func__, xdr);
+       status = -EIO;
+       goto out_err;
+#else  /* CONFIG_NFS_V4_1 */
+       return 0;
+#endif /* CONFIG_NFS_V4_1 */
+}
+
 /*
  * END OF "GENERIC" DECODE ROUTINES.
  */
@@ -3753,13 +4615,17 @@ static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct
        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);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3774,7 +4640,11 @@ static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_ac
        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;
        status = decode_putfh(&xdr);
        if (status != 0)
@@ -3782,7 +4652,8 @@ static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_ac
        status = decode_access(&xdr, res);
        if (status != 0)
                goto out;
-       decode_getfattr(&xdr, res->fattr, res->server);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3797,7 +4668,11 @@ static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lo
        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;
@@ -3805,7 +4680,8 @@ static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lo
                goto out;
        if ((status = decode_getfh(&xdr, res->fh)) != 0)
                goto out;
-       status = decode_getfattr(&xdr, res->fattr, res->server);
+       status = decode_getfattr(&xdr, res->fattr, res->server
+                       ,!RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3820,12 +4696,17 @@ static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nf
        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;
        if ((status = decode_getfh(&xdr, res->fh)) == 0)
-               status = decode_getfattr(&xdr, res->fattr, res->server);
+               status = decode_getfattr(&xdr, res->fattr, res->server,
+                               !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3840,13 +4721,18 @@ static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_rem
        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,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3861,7 +4747,11 @@ static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_re
        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;
@@ -3872,11 +4762,13 @@ static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_re
        if ((status = decode_rename(&xdr, &res->old_cinfo, &res->new_cinfo)) != 0)
                goto out;
        /* Current FH is target directory */
-       if (decode_getfattr(&xdr, res->new_fattr, res->server) != 0)
+       if (decode_getfattr(&xdr, res->new_fattr, res->server,
+                               !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
                goto out;
        if ((status = decode_restorefh(&xdr)) != 0)
                goto out;
-       decode_getfattr(&xdr, res->old_fattr, res->server);
+       decode_getfattr(&xdr, res->old_fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3891,7 +4783,11 @@ static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link
        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;
@@ -3905,11 +4801,13 @@ static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link
         * Note order: OP_LINK leaves the directory as the current
         *             filehandle.
         */
-       if (decode_getfattr(&xdr, res->dir_attr, res->server) != 0)
+       if (decode_getfattr(&xdr, res->dir_attr, res->server,
+                               !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
                goto out;
        if ((status = decode_restorefh(&xdr)) != 0)
                goto out;
-       decode_getfattr(&xdr, res->fattr, res->server);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3924,7 +4822,11 @@ static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_cr
        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;
@@ -3934,11 +4836,13 @@ static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_cr
                goto out;
        if ((status = decode_getfh(&xdr, res->fh)) != 0)
                goto out;
-       if (decode_getfattr(&xdr, res->fattr, res->server) != 0)
+       if (decode_getfattr(&xdr, res->fattr, res->server,
+                               !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
                goto out;
        if ((status = decode_restorefh(&xdr)) != 0)
                goto out;
-       decode_getfattr(&xdr, res->dir_fattr, res->server);
+       decode_getfattr(&xdr, res->dir_fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3964,10 +4868,14 @@ static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_g
        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);
+       status = decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -3980,12 +4888,13 @@ nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args
 {
        struct xdr_stream xdr;
        struct compound_hdr hdr = {
-               .nops   = 0,
+               .minorversion = nfs4_xdr_minorversion(&args->seq_args),
        };
        int status;
 
        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
-       encode_compound_hdr(&xdr, &hdr);
+       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);
@@ -3996,7 +4905,8 @@ nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args
  * Decode SETACL response
  */
 static int
-nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *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;
@@ -4006,10 +4916,13 @@ nfs4_xdr_dec_setacl(struct rpc_rqst *rqstp, __be32 *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;
 }
@@ -4018,7 +4931,8 @@ out:
  * Decode GETACL response
  */
 static int
-nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *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;
@@ -4028,10 +4942,13 @@ nfs4_xdr_dec_getacl(struct rpc_rqst *rqstp, __be32 *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;
@@ -4050,6 +4967,9 @@ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_clos
        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;
@@ -4062,7 +4982,8 @@ static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_clos
         *      an ESTALE error. Shouldn't be a problem,
         *      though, since fattr->valid will remain unset.
         */
-       decode_getfattr(&xdr, res->fattr, res->server);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -4080,6 +5001,9 @@ static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openr
        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;
@@ -4091,11 +5015,13 @@ static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openr
                goto out;
        if (decode_getfh(&xdr, &res->fh) != 0)
                goto out;
-       if (decode_getfattr(&xdr, res->f_attr, res->server) != 0)
+       if (decode_getfattr(&xdr, res->f_attr, res->server,
+                               !RPC_IS_ASYNC(rqstp->rq_task)) != 0)
                goto out;
        if (decode_restorefh(&xdr) != 0)
                goto out;
-       decode_getfattr(&xdr, res->dir_attr, res->server);
+       decode_getfattr(&xdr, res->dir_attr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -4134,13 +5060,17 @@ static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nf
        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);
+       decode_getfattr(&xdr, res->f_attr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -4158,13 +5088,17 @@ static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_se
        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);
        if (status)
                goto out;
-       decode_getfattr(&xdr, res->fattr, res->server);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -4182,6 +5116,9 @@ static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_
        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;
@@ -4203,6 +5140,9 @@ static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock
        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;
@@ -4224,6 +5164,9 @@ static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock
        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;
@@ -4235,7 +5178,8 @@ out:
 /*
  * Decode READLINK response
  */
-static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *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;
@@ -4245,6 +5189,9 @@ static int nfs4_xdr_dec_readlink(struct rpc_rqst *rqstp, __be32 *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;
@@ -4266,6 +5213,9 @@ static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_r
        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;
@@ -4287,6 +5237,9 @@ static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readr
        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;
@@ -4310,13 +5263,17 @@ static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writ
        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_write(&xdr, res);
        if (status)
                goto out;
-       decode_getfattr(&xdr, res->fattr, res->server);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
        if (!status)
                status = res->count;
 out:
@@ -4336,13 +5293,17 @@ static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_wri
        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_commit(&xdr, res);
        if (status)
                goto out;
-       decode_getfattr(&xdr, res->fattr, res->server);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -4350,7 +5311,8 @@ out:
 /*
  * FSINFO request
  */
-static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *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;
@@ -4359,16 +5321,19 @@ static int nfs4_xdr_dec_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs_fsinf
        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_fsinfo(&xdr, fsinfo);
+               status = decode_fsinfo(&xdr, res->fsinfo);
        return status;
 }
 
 /*
  * PATHCONF request
  */
-static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *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;
@@ -4377,16 +5342,19 @@ static int nfs4_xdr_dec_pathconf(struct rpc_rqst *req, __be32 *p, struct nfs_pat
        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, __be32 *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;
@@ -4395,9 +5363,11 @@ static int nfs4_xdr_dec_statfs(struct rpc_rqst *req, __be32 *p, struct nfs_fssta
        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;
 }
 
@@ -4411,7 +5381,11 @@ static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4
        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;
@@ -4484,13 +5458,17 @@ static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nf
 
        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)
                goto out;
        status = decode_delegreturn(&xdr);
-       decode_getfattr(&xdr, res->fattr, res->server);
+       decode_getfattr(&xdr, res->fattr, res->server,
+                       !RPC_IS_ASYNC(rqstp->rq_task));
 out:
        return status;
 }
@@ -4498,7 +5476,8 @@ out:
 /*
  * FS_LOCATIONS request
  */
-static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations *res)
+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;
@@ -4506,18 +5485,114 @@ static int nfs4_xdr_dec_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs
 
        xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
        status = decode_compound_hdr(&xdr, &hdr);
-       if (status != 0)
+       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->fattr, res->server);
+       status = decode_getfattr(&xdr, &res->fs_locations->fattr,
+                                res->fs_locations->server,
+                                !RPC_IS_ASYNC(req->rq_task));
 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;
+}
+
+/*
+ * a CREATE_SESSION request
+ */
+static int nfs4_xdr_dec_create_session(struct rpc_rqst *rqstp, uint32_t *p,
+                                      struct nfs41_create_session_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)
+               status = decode_create_session(&xdr, res);
+       return status;
+}
+
+/*
+ * a DESTROY_SESSION request
+ */
+static int nfs4_xdr_dec_destroy_session(struct rpc_rqst *rqstp, uint32_t *p,
+                                       void *dummy)
+{
+       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_destroy_session(&xdr, dummy);
+       return status;
+}
+
+/*
+ * a SEQUENCE request
+ */
+static int nfs4_xdr_dec_sequence(struct rpc_rqst *rqstp, uint32_t *p,
+                                struct nfs4_sequence_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)
+               status = decode_sequence(&xdr, res, rqstp);
+       return status;
+}
+
+/*
+ * a GET_LEASE_TIME request
+ */
+static int nfs4_xdr_dec_get_lease_time(struct rpc_rqst *rqstp, uint32_t *p,
+                                      struct nfs4_get_lease_time_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)
+               status = decode_sequence(&xdr, &res->lr_seq_res, rqstp);
+       if (!status)
+               status = decode_putrootfh(&xdr);
+       if (!status)
+               status = decode_fsinfo(&xdr, res->lr_fsinfo);
+       return status;
+}
+#endif /* CONFIG_NFS_V4_1 */
+
 __be32 *nfs4_decode_dirent(__be32 *p, struct nfs_entry *entry, int plus)
 {
        uint32_t bitmap[2] = {0};
@@ -4606,7 +5681,6 @@ static struct {
        { NFS4ERR_SERVERFAULT,  -ESERVERFAULT   },
        { NFS4ERR_BADTYPE,      -EBADTYPE       },
        { NFS4ERR_LOCKED,       -EAGAIN         },
-       { NFS4ERR_RESOURCE,     -EREMOTEIO      },
        { NFS4ERR_SYMLINK,      -ELOOP          },
        { NFS4ERR_OP_ILLEGAL,   -EOPNOTSUPP     },
        { NFS4ERR_DEADLOCK,     -EDEADLK        },
@@ -4687,6 +5761,13 @@ struct rpc_procinfo      nfs4_procedures[] = {
   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),
+  PROC(CREATE_SESSION, enc_create_session,     dec_create_session),
+  PROC(DESTROY_SESSION,        enc_destroy_session,    dec_destroy_session),
+  PROC(SEQUENCE,       enc_sequence,   dec_sequence),
+  PROC(GET_LEASE_TIME, enc_get_lease_time,     dec_get_lease_time),
+#endif /* CONFIG_NFS_V4_1 */
 };
 
 struct rpc_version             nfs_version4 = {