Re: [pnfs] [RFC 23/85] nfs41: minorversion support for xdr

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On Nov. 10, 2008, 22:21 +0200, Benny Halevy <bhalevy@xxxxxxxxxxx> wrote:
> From: Andy Adamson <andros@xxxxxxxxxx>
> 
> Add the minorversion to struct rpc_version and struct rpc_clnt, and struct
> compound_hdr. Switch on the minorversion to perfom NFSv4.0 vrs NFSv4.1
> encoding,
> 
> Add the nfsv41 encode and decode sizes. Add encode_sequence to all
> nfs4_enc_* routines and decode_sequence to all nfs4_dec_* routines as required
> by v41.
> 
> Signed-off-by: Andy Adamson<andros@xxxxxxxxxx>
> Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx>
> ---
>  fs/nfs/nfs4xdr.c            |  641 +++++++++++++++++++++++++++++++------------
>  include/linux/sunrpc/clnt.h |    2 +
>  net/sunrpc/clnt.c           |    2 +
>  3 files changed, 471 insertions(+), 174 deletions(-)
> 
> diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c
> index 30addf4..d3da7a5 100644
> --- a/fs/nfs/nfs4xdr.c
> +++ b/fs/nfs/nfs4xdr.c
> @@ -240,43 +240,63 @@ static int nfs4_stat_to_errno(int);
>  				(encode_getattr_maxsz)
>  #define decode_fs_locations_maxsz \
>  				(0)
> +
> +#if defined(CONFIG_NFS_V4_1)
> +#define encode_sequence_maxsz	0 /* stub */
> +#define decode_sequence_maxsz	0 /* stub */
> +#else /* CONFIG_NFS_V4_1 */
> +#define encode_sequence_maxsz	0
> +#define decode_sequence_maxsz	0
> +#endif /* CONFIG_NFS_V4_1 */
> +
>  #define NFS4_enc_compound_sz	(1024)  /* XXX: large enough? */
>  #define NFS4_dec_compound_sz	(1024)  /* XXX: large enough? */
>  #define NFS4_enc_read_sz	(compound_encode_hdr_maxsz + \
> +				encode_sequence_maxsz + \
>  				encode_putfh_maxsz + \
>  				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 + \
> +#define NFS4_enc_open_sz	(compound_encode_hdr_maxsz + \
> +				encode_sequence_maxsz + \
>  				encode_putfh_maxsz + \
>  				encode_savefh_maxsz + \
>  				encode_open_maxsz + \
> @@ -284,7 +304,8 @@ static int nfs4_stat_to_errno(int);
>  				encode_getattr_maxsz + \
>  				encode_restorefh_maxsz + \
>  				encode_getattr_maxsz)
> -#define NFS4_dec_open_sz        (compound_decode_hdr_maxsz + \
> +#define NFS4_dec_open_sz	(compound_decode_hdr_maxsz + \
> +				decode_sequence_maxsz + \
>  				decode_putfh_maxsz + \
>  				decode_savefh_maxsz + \
>  				decode_open_maxsz + \
> @@ -301,43 +322,53 @@ 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 +390,81 @@ 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_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 +473,7 @@ 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 +482,7 @@ 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 +491,7 @@ 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 +500,19 @@ 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 +521,7 @@ 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 + \
> @@ -475,49 +530,63 @@ 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)
> @@ -543,6 +612,7 @@ struct compound_hdr {
>  	uint32_t	nops;
>  	uint32_t	taglen;
>  	char *		tag;
> +	u32		minorversion;
>  };
>  
>  /*
> @@ -578,7 +648,7 @@ static void encode_string(struct xdr_stream *xdr, unsigned int len, const char *
>  	xdr_encode_opaque(p, str, len);
>  }
>  
> -static __u32 *
> +static __be32*
>  encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
>  {
>  	__be32 *p, *nops;
> @@ -588,7 +658,7 @@ encode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr)
>  	RESERVE_SPACE(12+(XDR_QUADLEN(hdr->taglen)<<2));
>  	WRITE32(hdr->taglen);
>  	WRITEMEM(hdr->tag, hdr->taglen);
> -	WRITE32(NFS4_MINOR_VERSION);
> +	WRITE32(hdr->minorversion);
>  	nops = p;
>  	WRITE32(hdr->nops);
>  	return nops;
> @@ -1377,7 +1447,8 @@ encode_savefh(struct xdr_stream *xdr, struct compound_hdr *hdr)
>  
>  static int
>  encode_setattr(struct xdr_stream *xdr, const struct nfs_setattrargs *arg,
> -	       const struct nfs_server *server, struct compound_hdr *hdr)
> +	       const struct nfs_server *server,
> +	       struct compound_hdr *hdr)
>  {
>  	int status;
>  	__be32 *p;
> @@ -1468,6 +1539,30 @@ encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid,
>  	return 0;
>  
>  }
> +
> +#if defined(CONFIG_NFS_V4_1)
> +/* NFSv4.1 operations */
> +static int encode_sequence(struct xdr_stream *xdr,
> +			   const struct nfs41_sequence_args *args,
> +			   struct compound_hdr *hdr)
> +{
> +	if (hdr->minorversion == 0)
> +		return 0;
> +
> +	/* stub */
> +	hdr->nops++;
> +
> +	return 0;
> +}
> +#else /* CONFIG_NFS_V4_1 */
> +static inline int encode_sequence(struct xdr_stream *xdr,
> +				  const struct nfs41_sequence_args *args,
> +				  struct compound_hdr *hdr)
> +{
> +	return 0;
> +}
> +#endif /* CONFIG_NFS_V4_1 */
> +
>  /*
>   * END OF "GENERIC" ENCODE ROUTINES.
>   */
> @@ -1475,17 +1570,19 @@ encode_delegreturn(struct xdr_stream *xdr, const nfs4_stateid *stateid,
>  /*
>   * Encode an ACCESS request
>   */
> -static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p, const struct nfs4_accessargs *args)
> +static int nfs4_xdr_enc_access(struct rpc_rqst *req, __be32 *p,
> +				const struct nfs4_accessargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status != 0)
>  		goto out;
> @@ -1501,17 +1598,19 @@ out:
>  /*
>   * Encode LOOKUP request
>   */
> -static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_arg *args)
> +static int nfs4_xdr_enc_lookup(struct rpc_rqst *req, __be32 *p,
> +				const struct nfs4_lookup_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putfh(&xdr, args->dir_fh, &hdr)) != 0)
>  		goto out;
>  	if ((status = encode_lookup(&xdr, args->name, &hdr)) != 0)
> @@ -1527,17 +1626,19 @@ out:
>  /*
>   * Encode LOOKUP_ROOT request
>   */
> -static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p, const struct nfs4_lookup_root_arg *args)
> +static int nfs4_xdr_enc_lookup_root(struct rpc_rqst *req, __be32 *p,
> +				     const struct nfs4_lookup_root_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putrootfh(&xdr, &hdr)) != 0)
>  		goto out;
>  	if ((status = encode_getfh(&xdr, &hdr)) == 0)
> @@ -1550,17 +1651,19 @@ out:
>  /*
>   * Encode REMOVE request
>   */
> -static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p, const struct nfs_removeargs *args)
> +static int nfs4_xdr_enc_remove(struct rpc_rqst *req, __be32 *p,
> +				const struct nfs_removeargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putfh(&xdr, args->fh, &hdr)) != 0)
>  		goto out;
>  	if ((status = encode_remove(&xdr, &args->name, &hdr)) != 0)
> @@ -1574,17 +1677,19 @@ out:
>  /*
>   * Encode RENAME request
>   */
> -static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p, const struct nfs4_rename_arg *args)
> +static int nfs4_xdr_enc_rename(struct rpc_rqst *req, __be32 *p,
> +				const struct nfs4_rename_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putfh(&xdr, args->old_dir, &hdr)) != 0)
>  		goto out;
>  	if ((status = encode_savefh(&xdr, &hdr)) != 0)
> @@ -1607,17 +1712,19 @@ out:
>  /*
>   * Encode LINK request
>   */
> -static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p, const struct nfs4_link_arg *args)
> +static int nfs4_xdr_enc_link(struct rpc_rqst *req, __be32 *p,
> +			      const struct nfs4_link_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putfh(&xdr, args->fh, &hdr)) != 0)
>  		goto out;
>  	if ((status = encode_savefh(&xdr, &hdr)) != 0)
> @@ -1639,17 +1746,19 @@ out:
>  /*
>   * Encode CREATE request
>   */
> -static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p, const struct nfs4_create_arg *args)
> +static int nfs4_xdr_enc_create(struct rpc_rqst *req, __be32 *p,
> +				const struct nfs4_create_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putfh(&xdr, args->dir_fh, &hdr)) != 0)
>  		goto out;
>  	if ((status = encode_savefh(&xdr, &hdr)) != 0)
> @@ -1679,17 +1788,19 @@ static int nfs4_xdr_enc_symlink(struct rpc_rqst *req, __be32 *p, const struct nf
>  /*
>   * Encode GETATTR request
>   */
> -static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nfs4_getattr_arg *args)
> +static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p,
> +				 const struct nfs4_getattr_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putfh(&xdr, args->fh, &hdr)) == 0)
>  		status = encode_getfattr(&xdr, args->bitmask, &hdr);
>  	encode_nops(nops, &hdr);
> @@ -1699,17 +1810,19 @@ static int nfs4_xdr_enc_getattr(struct rpc_rqst *req, __be32 *p, const struct nf
>  /*
>   * Encode a CLOSE request
>   */
> -static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args)
> +static int nfs4_xdr_enc_close(struct rpc_rqst *req, __be32 *p,
> +			       struct nfs_closeargs *args)
>  {
> -        struct xdr_stream xdr;
> -        struct compound_hdr hdr = {
> -		.nops   = 0,
> -        };
> +	struct xdr_stream xdr;
> +	struct compound_hdr hdr = {
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
> +	};
>          int status;
>  	__be32 *nops;
>  
> -        xdr_init_encode(&xdr, &req->rq_snd_buf, p);
> +	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>          if(status)
>                  goto out;
> @@ -1725,17 +1838,19 @@ out:
>  /*
>   * Encode an OPEN request
>   */
> -static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args)
> +static int nfs4_xdr_enc_open(struct rpc_rqst *req, __be32 *p,
> +			      struct nfs_openargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
> @@ -1767,7 +1882,7 @@ static int nfs4_xdr_enc_open_confirm(struct rpc_rqst *req, __be32 *p, struct nfs
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops   = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
> @@ -1786,17 +1901,19 @@ out:
>  /*
>   * Encode an OPEN request with no attributes.
>   */
> -static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p, struct nfs_openargs *args)
> +static int nfs4_xdr_enc_open_noattr(struct rpc_rqst *req, __be32 *p,
> +				     struct nfs_openargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops   = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
> @@ -1812,17 +1929,19 @@ out:
>  /*
>   * Encode an OPEN_DOWNGRADE request
>   */
> -static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p, struct nfs_closeargs *args)
> +static int nfs4_xdr_enc_open_downgrade(struct rpc_rqst *req, __be32 *p,
> +					struct nfs_closeargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops	= 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
> @@ -1838,17 +1957,19 @@ out:
>  /*
>   * Encode a LOCK request
>   */
> -static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p, struct nfs_lock_args *args)
> +static int nfs4_xdr_enc_lock(struct rpc_rqst *req, __be32 *p,
> +			      struct nfs_lock_args *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops   = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if(status)
>  		goto out;
> @@ -1861,17 +1982,19 @@ out:
>  /*
>   * Encode a LOCKT request
>   */
> -static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p, struct nfs_lockt_args *args)
> +static int nfs4_xdr_enc_lockt(struct rpc_rqst *req, __be32 *p,
> +			       struct nfs_lockt_args *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops   = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if(status)
>  		goto out;
> @@ -1884,17 +2007,19 @@ out:
>  /*
>   * Encode a LOCKU request
>   */
> -static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p, struct nfs_locku_args *args)
> +static int nfs4_xdr_enc_locku(struct rpc_rqst *req, __be32 *p,
> +			       struct nfs_locku_args *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops   = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if(status)
>  		goto out;
> @@ -1907,11 +2032,12 @@ out:
>  /*
>   * Encode a READLINK request
>   */
> -static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct nfs4_readlink *args)
> +static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p,
> +				  const struct nfs4_readlink *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
>  	unsigned int replen;
> @@ -1920,6 +2046,7 @@ static int nfs4_xdr_enc_readlink(struct rpc_rqst *req, __be32 *p, const struct n
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if(status)
>  		goto out;
> @@ -1941,11 +2068,12 @@ out:
>  /*
>   * Encode a READDIR request
>   */
> -static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nfs4_readdir_arg *args)
> +static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p,
> +				 const struct nfs4_readdir_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
>  	int replen;
> @@ -1954,6 +2082,7 @@ static int nfs4_xdr_enc_readdir(struct rpc_rqst *req, __be32 *p, const struct nf
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if(status)
>  		goto out;
> @@ -1978,18 +2107,20 @@ out:
>  /*
>   * Encode a READ request
>   */
> -static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p, struct nfs_readargs *args)
> +static int nfs4_xdr_enc_read(struct rpc_rqst *req, __be32 *p,
> +			      struct nfs_readargs *args)
>  {
>  	struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int replen, status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
> @@ -2013,18 +2144,20 @@ out:
>  /*
>   * Encode an SETATTR request
>   */
> -static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p, struct nfs_setattrargs *args)
> +static int nfs4_xdr_enc_setattr(struct rpc_rqst *req, __be32 *p,
> +				struct nfs_setattrargs *args)
>  
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops   = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
> @@ -2042,18 +2175,19 @@ out:
>   */
>  static int
>  nfs4_xdr_enc_getacl(struct rpc_rqst *req, __be32 *p,
> -		struct nfs_getaclargs *args)
> +		     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 = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int replen, status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
> @@ -2070,24 +2204,25 @@ out:
>  /*
>   * Encode a WRITE request
>   */
> -static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
> +static int nfs4_xdr_enc_write(struct rpc_rqst *req, __be32 *p,
> +			       struct nfs_writeargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
>  	status = encode_write(&xdr, args, &hdr);
>  	if (status)
>  		goto out;
> -	req->rq_snd_buf.flags |= XDRBUF_WRITE;
>  	status = encode_getfattr(&xdr, args->bitmask, &hdr);
>  out:
>  	encode_nops(nops, &hdr);
> @@ -2097,17 +2232,19 @@ out:
>  /*
>   *  a COMMIT request
>   */
> -static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p, struct nfs_writeargs *args)
> +static int nfs4_xdr_enc_commit(struct rpc_rqst *req, __be32 *p,
> +				struct nfs_writeargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
> @@ -2123,17 +2260,19 @@ out:
>  /*
>   * FSINFO request
>   */
> -static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsinfo_arg *args)
> +static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p,
> +				struct nfs4_fsinfo_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops	= 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (!status)
>  		status = encode_fsinfo(&xdr, args->bitmask, &hdr);
> @@ -2144,17 +2283,19 @@ static int nfs4_xdr_enc_fsinfo(struct rpc_rqst *req, __be32 *p, struct nfs4_fsin
>  /*
>   * a PATHCONF request
>   */
> -static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct nfs4_pathconf_arg *args)
> +static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p,
> +				  const struct nfs4_pathconf_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (!status)
>  		status = encode_getattr_one(&xdr,
> @@ -2167,22 +2308,25 @@ static int nfs4_xdr_enc_pathconf(struct rpc_rqst *req, __be32 *p, const struct n
>  /*
>   * a STATFS request
>   */
> -static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs4_statfs_arg *args)
> +static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p,
> +				const struct nfs4_statfs_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status == 0)
>  		status = encode_getattr_two(&xdr,
>  				args->bitmask[0] & nfs4_statfs_bitmap[0],
> -				args->bitmask[1] & nfs4_statfs_bitmap[1], &hdr);
> +				args->bitmask[1] & nfs4_statfs_bitmap[1],
> +				&hdr);
>  	encode_nops(nops, &hdr);
>  	return status;
>  }
> @@ -2190,18 +2334,20 @@ static int nfs4_xdr_enc_statfs(struct rpc_rqst *req, __be32 *p, const struct nfs
>  /*
>   * GETATTR_BITMAP request
>   */
> -static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p, const struct nfs_fh *fhandle)
> +static int nfs4_xdr_enc_server_caps(struct rpc_rqst *req, __be32 *p,
> +				     struct nfs4_server_caps_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> -	status = encode_putfh(&xdr, fhandle, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
> +	status = encode_putfh(&xdr, args->fhandle, &hdr);
>  	if (status == 0)
>  		status = encode_getattr_one(&xdr, FATTR4_WORD0_SUPPORTED_ATTRS|
>  				FATTR4_WORD0_LINK_SUPPORT|
> @@ -2218,7 +2364,7 @@ static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops	= 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
> @@ -2226,6 +2372,7 @@ static int nfs4_xdr_enc_renew(struct rpc_rqst *req, __be32 *p, struct nfs_client
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
>  	status = encode_renew(&xdr, clp, &hdr);
> +
>  	encode_nops(nops, &hdr);
>  	return status;
>  }
> @@ -2237,7 +2384,7 @@ static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops	= 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
> @@ -2245,6 +2392,7 @@ static int nfs4_xdr_enc_setclientid(struct rpc_rqst *req, __be32 *p, struct nfs4
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
>  	status = encode_setclientid(&xdr, sc, &hdr);
> +
>  	encode_nops(nops, &hdr);
>  	return status;
>  }
> @@ -2256,7 +2404,7 @@ static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, str
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops	= 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	const u32 lease_bitmap[2] = { FATTR4_WORD0_LEASE_TIME, 0 };
>  	int status;
> @@ -2276,17 +2424,19 @@ static int nfs4_xdr_enc_setclientid_confirm(struct rpc_rqst *req, __be32 *p, str
>  /*
>   * DELEGRETURN request
>   */
> -static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p, const struct nfs4_delegreturnargs *args)
> +static int nfs4_xdr_enc_delegreturn(struct rpc_rqst *req, __be32 *p,
> +				     const struct nfs4_delegreturnargs *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fhandle, &hdr);
>  	if (status != 0)
>  		goto out;
> @@ -2302,11 +2452,12 @@ out:
>  /*
>   * Encode FS_LOCATIONS request
>   */
> -static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs4_fs_locations_arg *args)
> +static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p,
> +				      struct nfs4_fs_locations_arg *args)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr = {
> -		.nops = 0,
> +		.minorversion = req->rq_task->tk_client->cl_mvers,
>  	};
>  	struct rpc_auth *auth = req->rq_task->tk_msg.rpc_cred->cr_auth;
>  	int replen;
> @@ -2315,6 +2466,7 @@ static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	if ((status = encode_putfh(&xdr, args->dir_fh, &hdr)) != 0)
>  		goto out;
>  	if ((status = encode_lookup(&xdr, args->name, &hdr)) != 0)
> @@ -2325,7 +2477,7 @@ static int nfs4_xdr_enc_fs_locations(struct rpc_rqst *req, __be32 *p, struct nfs
>  	 *   toplevel_status + OP_PUTFH + status
>  	 *   + OP_LOOKUP + status + OP_GETATTR + status = 7
>  	 */
> -	replen = (RPC_REPHDRSIZE + auth->au_rslack + 7) << 2;
> +	replen = (RPC_REPHDRSIZE + auth->au_rslack + NFS4_enc_fsinfo_sz) << 2;
>  	xdr_inline_pages(&req->rq_rcv_buf, replen, &args->page,
>  			0, PAGE_SIZE);
>  out:
> @@ -3963,19 +4115,48 @@ static int decode_delegreturn(struct xdr_stream *xdr)
>  	return decode_op_hdr(xdr, OP_DELEGRETURN);
>  }
>  
> +#if defined(CONFIG_NFS_V4_1)
> +static int decode_sequence(struct xdr_stream *xdr,
> +			   struct nfs41_sequence_res *res,
> +			   struct rpc_rqst *rqstp)
> +{
> +	if (rqstp->rq_task->tk_client->cl_mvers == 0)
> +		return 0;
> +
> +	/* stub */
> +
> +	return 0;
> +}
> +#else /* CONFIG_NFS_V4_1 */
> +static inline int decode_sequence(struct xdr_stream *xdr,
> +			   struct nfs41_sequence_res *res,
> +			   struct rpc_rqst *rqstp)
> +{
> +	return 0;
> +}
> +#endif /* CONFIG_NFS_V4_1 */
> +
> +/*
> + * END OF "GENERIC" DECODE ROUTINES.
> + */
> +
>  /*
>   * Decode OPEN_DOWNGRADE response
>   */
> -static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res)
> +static int nfs4_xdr_dec_open_downgrade(struct rpc_rqst *rqstp, __be32 *p,
> +					struct nfs_closeres *res)
>  {
> -        struct xdr_stream xdr;
> -        struct compound_hdr hdr;
> -        int status;
> +	struct xdr_stream xdr;
> +	struct compound_hdr hdr;
> +	int status;
>  
> -        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -        status = decode_compound_hdr(&xdr, &hdr);
> -        if (status)
> -                goto out;
> +	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
> +		goto out;
>          status = decode_putfh(&xdr);
>          if (status)
>                  goto out;
> @@ -3988,20 +4169,21 @@ out:
>  }
>  
>  /*
> - * END OF "GENERIC" DECODE ROUTINES.
> - */
> -
> -/*
>   * Decode ACCESS response
>   */
> -static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_accessres *res)
> +static int nfs4_xdr_dec_access(struct rpc_rqst *rqstp, __be32 *p,
> +				struct nfs4_accessres *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
>  	
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
>  		goto out;
>  	status = decode_putfh(&xdr);
>  	if (status != 0)
> @@ -4017,14 +4199,19 @@ out:
>  /*
>   * Decode LOOKUP response
>   */
> -static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res)
> +static int nfs4_xdr_dec_lookup(struct rpc_rqst *rqstp, __be32 *p,
> +				struct nfs4_lookup_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
>  	
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
>  		goto out;
>  	if ((status = decode_putfh(&xdr)) != 0)
>  		goto out;
> @@ -4040,14 +4227,19 @@ out:
>  /*
>   * Decode LOOKUP_ROOT response
>   */
> -static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_lookup_res *res)
> +static int nfs4_xdr_dec_lookup_root(struct rpc_rqst *rqstp, __be32 *p,
> +				     struct nfs4_lookup_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
>  	
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
>  		goto out;
>  	if ((status = decode_putrootfh(&xdr)) != 0)
>  		goto out;
> @@ -4060,14 +4252,19 @@ out:
>  /*
>   * Decode REMOVE response
>   */
> -static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p, struct nfs_removeres *res)
> +static int nfs4_xdr_dec_remove(struct rpc_rqst *rqstp, __be32 *p,
> +				struct nfs_removeres *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
>  	
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
>  		goto out;
>  	if ((status = decode_putfh(&xdr)) != 0)
>  		goto out;
> @@ -4081,14 +4278,19 @@ out:
>  /*
>   * Decode RENAME response
>   */
> -static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_rename_res *res)
> +static int nfs4_xdr_dec_rename(struct rpc_rqst *rqstp, __be32 *p,
> +				struct nfs4_rename_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
> -	
> +
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
>  		goto out;
>  	if ((status = decode_putfh(&xdr)) != 0)
>  		goto out;
> @@ -4111,14 +4313,19 @@ out:
>  /*
>   * Decode LINK response
>   */
> -static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_link_res *res)
> +static int nfs4_xdr_dec_link(struct rpc_rqst *rqstp, __be32 *p,
> +			      struct nfs4_link_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
>  	
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
>  		goto out;
>  	if ((status = decode_putfh(&xdr)) != 0)
>  		goto out;
> @@ -4144,14 +4351,19 @@ out:
>  /*
>   * Decode CREATE response
>   */
> -static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_create_res *res)
> +static int nfs4_xdr_dec_create(struct rpc_rqst *rqstp, __be32 *p,
> +				struct nfs4_create_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
> -	
> +
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
>  		goto out;
>  	if ((status = decode_putfh(&xdr)) != 0)
>  		goto out;
> @@ -4181,7 +4393,8 @@ static int nfs4_xdr_dec_symlink(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_c
>  /*
>   * Decode GETATTR response
>   */
> -static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_getattr_res *res)
> +static int nfs4_xdr_dec_getattr(struct rpc_rqst *rqstp, __be32 *p,
> +				 struct nfs4_getattr_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4191,56 +4404,65 @@ 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);
>  out:
>  	return status;
> -
>  }
>  
>  /*
>   * Encode an SETACL request
>   */
>  static int
> -nfs4_xdr_enc_setacl(struct rpc_rqst *req, __be32 *p, struct nfs_setaclargs *args)
> +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 = req->rq_task->tk_client->cl_mvers,
>  	};
>  	int status;
>  	__be32 *nops;
>  
>  	xdr_init_encode(&xdr, &req->rq_snd_buf, p);
>  	nops = encode_compound_hdr(&xdr, &hdr);
> +	encode_sequence(&xdr, &args->seq_args, &hdr);
>  	status = encode_putfh(&xdr, args->fh, &hdr);
>  	if (status)
>  		goto out;
>  	status = encode_setacl(&xdr, args, &hdr);
>  out:
> -	encode_nops(nops, &hdr);
>  	return status;
>  }
> +
>  /*
>   * 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;
> +	struct nfs_setattrres *sattrp = NULL;
>  	int status;
>  
>  	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
>  	status = decode_compound_hdr(&xdr, &hdr);
>  	if (status)
>  		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
> +		goto out;
>  	status = decode_putfh(&xdr);
>  	if (status)
>  		goto out;
> -	status = decode_setattr(&xdr, res);
> +	status = decode_setattr(&xdr, sattrp);
>  out:
>  	return status;
>  }
> @@ -4249,7 +4471,8 @@ 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;
> @@ -4259,10 +4482,13 @@ 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;
> @@ -4271,16 +4497,20 @@ out:
>  /*
>   * Decode CLOSE response
>   */
> -static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p, struct nfs_closeres *res)
> +static int nfs4_xdr_dec_close(struct rpc_rqst *rqstp, __be32 *p,
> +			       struct nfs_closeres *res)
>  {
> -        struct xdr_stream xdr;
> -        struct compound_hdr hdr;
> -        int status;
> +	struct xdr_stream xdr;
> +	struct compound_hdr hdr;
> +	int status;
>  
> -        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -        status = decode_compound_hdr(&xdr, &hdr);
> -        if (status)
> -                goto out;
> +	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
> +		goto out;
>          status = decode_putfh(&xdr);
>          if (status)
>                  goto out;
> @@ -4301,16 +4531,20 @@ out:
>  /*
>   * Decode OPEN response
>   */
> -static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res)
> +static int nfs4_xdr_dec_open(struct rpc_rqst *rqstp, __be32 *p,
> +			      struct nfs_openres *res)
>  {
> -        struct xdr_stream xdr;
> -        struct compound_hdr hdr;
> -        int status;
> +	struct xdr_stream xdr;
> +	struct compound_hdr hdr;
> +	int status;
>  
> -        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -        status = decode_compound_hdr(&xdr, &hdr);
> -        if (status)
> -                goto out;
> +	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
> +		goto out;
>          status = decode_putfh(&xdr);
>          if (status)
>                  goto out;
> @@ -4355,16 +4589,20 @@ out:
>  /*
>   * Decode OPEN response
>   */
> -static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_openres *res)
> +static int nfs4_xdr_dec_open_noattr(struct rpc_rqst *rqstp, __be32 *p,
> +				     struct nfs_openres *res)
>  {
> -        struct xdr_stream xdr;
> -        struct compound_hdr hdr;
> -        int status;
> +	struct xdr_stream xdr;
> +	struct compound_hdr hdr;
> +	int status;
>  
> -        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -        status = decode_compound_hdr(&xdr, &hdr);
> -        if (status)
> -                goto out;
> +	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
> +		goto out;
>          status = decode_putfh(&xdr);
>          if (status)
>                  goto out;
> @@ -4379,16 +4617,20 @@ out:
>  /*
>   * Decode SETATTR response
>   */
> -static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p, struct nfs_setattrres *res)
> +static int nfs4_xdr_dec_setattr(struct rpc_rqst *rqstp, __be32 *p,
> +				 struct nfs_setattrres *res)
>  {
> -        struct xdr_stream xdr;
> -        struct compound_hdr hdr;
> -        int status;
> +	struct xdr_stream xdr;
> +	struct compound_hdr hdr;
> +	int status;
>  
> -        xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> -        status = decode_compound_hdr(&xdr, &hdr);
> -        if (status)
> -                goto out;
> +	xdr_init_decode(&xdr, &rqstp->rq_rcv_buf, p);
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, rqstp);
> +	if (status)
> +		goto out;
>          status = decode_putfh(&xdr);
>          if (status)
>                  goto out;
> @@ -4405,7 +4647,8 @@ out:
>  /*
>   * Decode LOCK response
>   */
> -static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lock_res *res)
> +static int nfs4_xdr_dec_lock(struct rpc_rqst *rqstp, __be32 *p,
> +			      struct nfs_lock_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4415,6 +4658,9 @@ 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;
> @@ -4426,7 +4672,8 @@ out:
>  /*
>   * Decode LOCKT response
>   */
> -static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p, struct nfs_lockt_res *res)
> +static int nfs4_xdr_dec_lockt(struct rpc_rqst *rqstp, __be32 *p,
> +			       struct nfs_lockt_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4436,6 +4683,9 @@ 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;
> @@ -4447,7 +4697,8 @@ out:
>  /*
>   * Decode LOCKU response
>   */
> -static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p, struct nfs_locku_res *res)
> +static int nfs4_xdr_dec_locku(struct rpc_rqst *rqstp, __be32 *p,
> +			       struct nfs_locku_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4457,6 +4708,9 @@ 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;
> @@ -4468,7 +4722,8 @@ 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;
> @@ -4478,6 +4733,9 @@ 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;
> @@ -4489,7 +4747,8 @@ out:
>  /*
>   * Decode READDIR response
>   */
> -static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_readdir_res *res)
> +static int nfs4_xdr_dec_readdir(struct rpc_rqst *rqstp, __be32 *p,
> +				 struct nfs4_readdir_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4499,6 +4758,9 @@ 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;
> @@ -4510,7 +4772,8 @@ out:
>  /*
>   * Decode Read response
>   */
> -static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p, struct nfs_readres *res)
> +static int nfs4_xdr_dec_read(struct rpc_rqst *rqstp, __be32 *p,
> +			      struct nfs_readres *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4520,6 +4783,9 @@ 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;
> @@ -4533,7 +4799,8 @@ out:
>  /*
>   * Decode WRITE response
>   */
> -static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res)
> +static int nfs4_xdr_dec_write(struct rpc_rqst *rqstp, __be32 *p,
> +			       struct nfs_writeres *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4543,6 +4810,9 @@ 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;
> @@ -4559,7 +4829,8 @@ out:
>  /*
>   * Decode COMMIT response
>   */
> -static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p, struct nfs_writeres *res)
> +static int nfs4_xdr_dec_commit(struct rpc_rqst *rqstp, __be32 *p,
> +				struct nfs_writeres *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4569,6 +4840,9 @@ 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;
> @@ -4583,7 +4857,8 @@ 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;
> @@ -4592,16 +4867,19 @@ 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;
> @@ -4610,16 +4888,19 @@ 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;
> @@ -4628,23 +4909,30 @@ 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;
>  }
>  
>  /*
>   * GETATTR_BITMAP request
>   */
> -static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p, struct nfs4_server_caps_res *res)
> +static int nfs4_xdr_dec_server_caps(struct rpc_rqst *req, __be32 *p,
> +				     struct nfs4_server_caps_res *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
>  	int status;
>  
>  	xdr_init_decode(&xdr, &req->rq_rcv_buf, p);
> -	if ((status = decode_compound_hdr(&xdr, &hdr)) != 0)
> +	status = decode_compound_hdr(&xdr, &hdr);
> +	if (status)
> +		goto out;
> +	status = decode_sequence(&xdr, &res->seq_res, req);
> +	if (status)
>  		goto out;
>  	if ((status = decode_putfh(&xdr)) != 0)
>  		goto out;
> @@ -4709,7 +4997,8 @@ static int nfs4_xdr_dec_setclientid_confirm(struct rpc_rqst *req, __be32 *p, str
>  /*
>   * DELEGRETURN request
>   */
> -static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p, struct nfs4_delegreturnres *res)
> +static int nfs4_xdr_dec_delegreturn(struct rpc_rqst *rqstp, __be32 *p,
> +				     struct nfs4_delegreturnres *res)
>  {
>  	struct xdr_stream xdr;
>  	struct compound_hdr hdr;
> @@ -4717,7 +5006,10 @@ 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)
> @@ -4731,7 +5023,8 @@ 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;
> @@ -4739,14 +5032,18 @@ 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);
>  out:
>  	return status;
>  }
> @@ -4877,10 +5174,10 @@ nfs4_stat_to_errno(int stat)
>  #define PROC(proc, argtype, restype)				\
>  [NFSPROC4_CLNT_##proc] = {					\
>  	.p_proc   = NFSPROC4_COMPOUND,				\
> -	.p_encode = (kxdrproc_t) nfs4_xdr_##argtype,		\
> -	.p_decode = (kxdrproc_t) nfs4_xdr_##restype,		\
> -	.p_arglen = NFS4_##argtype##_sz,			\
> -	.p_replen = NFS4_##restype##_sz,			\
> +	.p_encode = (kxdrproc_t) nfs4##_xdr_##argtype,	\
> +	.p_decode = (kxdrproc_t) nfs4##_xdr_##restype,	\
> +	.p_arglen = NFS4##_##argtype##_sz,		\
> +	.p_replen = NFS4##_##restype##_sz,		\
>  	.p_statidx = NFSPROC4_CLNT_##proc,			\
>  	.p_name   = #proc,					\
>      }
> @@ -4922,11 +5219,6 @@ struct rpc_procinfo	nfs4_procedures[] = {
>    PROC(FS_LOCATIONS,	enc_fs_locations, dec_fs_locations),
>  };
>  
> -#if defined(CONFIG_NFS_V4_1)
> -struct rpc_procinfo	nfs41_procedures[] = {
> -};
> -#endif /* CONFIG_NFS_V4_1 */
> -
>  struct rpc_version      nfs_version4 = {
>  	.number                 = 4,
>  	.nrprocs                = ARRAY_SIZE(nfs4_procedures),
> @@ -4936,8 +5228,9 @@ struct rpc_version      nfs_version4 = {
>  #ifdef CONFIG_NFS_V4_1
>  struct rpc_version      nfs_version41 = {
>  	.number                 = 4,
> -	.nrprocs                = ARRAY_SIZE(nfs41_procedures),
> -	.procs                  = nfs41_procedures
> +	.minorversion		= 1,
> +	.nrprocs                = ARRAY_SIZE(nfs4_procedures),
> +	.procs                  = nfs4_procedures
>  };
>  
>  #endif /* CONFIG_NFS_V4_1 */
> diff --git a/include/linux/sunrpc/clnt.h b/include/linux/sunrpc/clnt.h
> index 99d4f9e..77c03a4 100644
> --- a/include/linux/sunrpc/clnt.h
> +++ b/include/linux/sunrpc/clnt.h
> @@ -32,6 +32,7 @@ struct rpc_clnt {
>  	struct rpc_procinfo *	cl_procinfo;	/* procedure info */
>  	u32			cl_prog,	/* RPC program number */
>  				cl_vers,	/* RPC version number */
> +				cl_mvers,	/* RPC minorversion number */

review 11-14: this is problemtic.
Trond suggest passing a pointer to the nfs_server (as void *cl_private)

>  				cl_maxproc;	/* max procedure number */
>  
>  	char *			cl_server;	/* server machine name */
> @@ -82,6 +83,7 @@ get_rpc_version(struct rpc_program *prog, u32 vers, int minorvers)
>  
>  struct rpc_version {
>  	u32			number;		/* version number */
> +	u32			minorversion;	/* minorversion number */

review 11-14: remove this.

>  	unsigned int		nrprocs;	/* number of procs */
>  	struct rpc_procinfo *	procs;		/* procedure array */
>  };
> diff --git a/net/sunrpc/clnt.c b/net/sunrpc/clnt.c
> index 44f251d..0c8e5f1 100644
> --- a/net/sunrpc/clnt.c
> +++ b/net/sunrpc/clnt.c
> @@ -177,6 +177,7 @@ static struct rpc_clnt * rpc_new_client(const struct rpc_create_args *args, stru
>  	clnt->cl_protname = program->name;
>  	clnt->cl_prog     = args->prognumber ? : program->number;
>  	clnt->cl_vers     = version->number;
> +	clnt->cl_mvers    = version->minorversion;
>  	clnt->cl_stats    = program->stats;
>  	clnt->cl_metrics  = rpc_alloc_iostats(clnt);
>  	err = -ENOMEM;
> @@ -491,6 +492,7 @@ struct rpc_clnt *rpc_bind_new_program(struct rpc_clnt *old,
>  	clnt->cl_protname = program->name;
>  	clnt->cl_prog     = program->number;
>  	clnt->cl_vers     = version->number;
> +	clnt->cl_mvers    = version->minorversion;
>  	clnt->cl_stats    = program->stats;
>  	err = rpc_ping(clnt, RPC_TASK_SOFT);
>  	if (err != 0) {
--
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