linux/fs/nfsd/xdr4.h
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   1/*
   2 *  Server-side types for NFSv4.
   3 *
   4 *  Copyright (c) 2002 The Regents of the University of Michigan.
   5 *  All rights reserved.
   6 *
   7 *  Kendrick Smith <kmsmith@umich.edu>
   8 *  Andy Adamson   <andros@umich.edu>
   9 *
  10 *  Redistribution and use in source and binary forms, with or without
  11 *  modification, are permitted provided that the following conditions
  12 *  are met:
  13 *
  14 *  1. Redistributions of source code must retain the above copyright
  15 *     notice, this list of conditions and the following disclaimer.
  16 *  2. Redistributions in binary form must reproduce the above copyright
  17 *     notice, this list of conditions and the following disclaimer in the
  18 *     documentation and/or other materials provided with the distribution.
  19 *  3. Neither the name of the University nor the names of its
  20 *     contributors may be used to endorse or promote products derived
  21 *     from this software without specific prior written permission.
  22 *
  23 *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
  24 *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  25 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  26 *  DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  27 *  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  28 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  29 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  30 *  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  31 *  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  32 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  33 *  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  34 *
  35 */
  36
  37#ifndef _LINUX_NFSD_XDR4_H
  38#define _LINUX_NFSD_XDR4_H
  39
  40#include "state.h"
  41#include "nfsd.h"
  42
  43#define NFSD4_MAX_SEC_LABEL_LEN 2048
  44#define NFSD4_MAX_TAGLEN        128
  45#define XDR_LEN(n)                     (((n) + 3) & ~3)
  46
  47#define CURRENT_STATE_ID_FLAG (1<<0)
  48#define SAVED_STATE_ID_FLAG (1<<1)
  49
  50#define SET_STATE_ID(c, f) ((c)->sid_flags |= (f))
  51#define HAS_STATE_ID(c, f) ((c)->sid_flags & (f))
  52#define CLEAR_STATE_ID(c, f) ((c)->sid_flags &= ~(f))
  53
  54struct nfsd4_compound_state {
  55        struct svc_fh           current_fh;
  56        struct svc_fh           save_fh;
  57        struct nfs4_stateowner  *replay_owner;
  58        /* For sessions DRC */
  59        struct nfsd4_session    *session;
  60        struct nfsd4_slot       *slot;
  61        __be32                  *datap;
  62        size_t                  iovlen;
  63        u32                     minorversion;
  64        __be32                  status;
  65        stateid_t       current_stateid;
  66        stateid_t       save_stateid;
  67        /* to indicate current and saved state id presents */
  68        u32             sid_flags;
  69};
  70
  71static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
  72{
  73        return cs->slot != NULL;
  74}
  75
  76struct nfsd4_change_info {
  77        u32             atomic;
  78        bool            change_supported;
  79        u32             before_ctime_sec;
  80        u32             before_ctime_nsec;
  81        u64             before_change;
  82        u32             after_ctime_sec;
  83        u32             after_ctime_nsec;
  84        u64             after_change;
  85};
  86
  87struct nfsd4_access {
  88        u32             ac_req_access;      /* request */
  89        u32             ac_supported;       /* response */
  90        u32             ac_resp_access;     /* response */
  91};
  92
  93struct nfsd4_close {
  94        u32             cl_seqid;           /* request */
  95        stateid_t       cl_stateid;         /* request+response */
  96};
  97
  98struct nfsd4_commit {
  99        u64             co_offset;          /* request */
 100        u32             co_count;           /* request */
 101        nfs4_verifier   co_verf;            /* response */
 102};
 103
 104struct nfsd4_create {
 105        u32             cr_namelen;         /* request */
 106        char *          cr_name;            /* request */
 107        u32             cr_type;            /* request */
 108        union {                             /* request */
 109                struct {
 110                        u32 namelen;
 111                        char *name;
 112                } link;   /* NF4LNK */
 113                struct {
 114                        u32 specdata1;
 115                        u32 specdata2;
 116                } dev;    /* NF4BLK, NF4CHR */
 117        } u;
 118        u32             cr_bmval[3];        /* request */
 119        struct iattr    cr_iattr;           /* request */
 120        struct nfsd4_change_info  cr_cinfo; /* response */
 121        struct nfs4_acl *cr_acl;
 122        struct xdr_netobj cr_label;
 123};
 124#define cr_linklen      u.link.namelen
 125#define cr_linkname     u.link.name
 126#define cr_specdata1    u.dev.specdata1
 127#define cr_specdata2    u.dev.specdata2
 128
 129struct nfsd4_delegreturn {
 130        stateid_t       dr_stateid;
 131};
 132
 133struct nfsd4_getattr {
 134        u32             ga_bmval[3];        /* request */
 135        struct svc_fh   *ga_fhp;            /* response */
 136};
 137
 138struct nfsd4_link {
 139        u32             li_namelen;         /* request */
 140        char *          li_name;            /* request */
 141        struct nfsd4_change_info  li_cinfo; /* response */
 142};
 143
 144struct nfsd4_lock_denied {
 145        clientid_t      ld_clientid;
 146        struct xdr_netobj       ld_owner;
 147        u64             ld_start;
 148        u64             ld_length;
 149        u32             ld_type;
 150};
 151
 152struct nfsd4_lock {
 153        /* request */
 154        u32             lk_type;
 155        u32             lk_reclaim;         /* boolean */
 156        u64             lk_offset;
 157        u64             lk_length;
 158        u32             lk_is_new;
 159        union {
 160                struct {
 161                        u32             open_seqid;
 162                        stateid_t       open_stateid;
 163                        u32             lock_seqid;
 164                        clientid_t      clientid;
 165                        struct xdr_netobj owner;
 166                } new;
 167                struct {
 168                        stateid_t       lock_stateid;
 169                        u32             lock_seqid;
 170                } old;
 171        } v;
 172
 173        /* response */
 174        union {
 175                struct {
 176                        stateid_t               stateid;
 177                } ok;
 178                struct nfsd4_lock_denied        denied;
 179        } u;
 180};
 181#define lk_new_open_seqid       v.new.open_seqid
 182#define lk_new_open_stateid     v.new.open_stateid
 183#define lk_new_lock_seqid       v.new.lock_seqid
 184#define lk_new_clientid         v.new.clientid
 185#define lk_new_owner            v.new.owner
 186#define lk_old_lock_stateid     v.old.lock_stateid
 187#define lk_old_lock_seqid       v.old.lock_seqid
 188
 189#define lk_resp_stateid u.ok.stateid
 190#define lk_denied       u.denied
 191
 192
 193struct nfsd4_lockt {
 194        u32                             lt_type;
 195        clientid_t                      lt_clientid;
 196        struct xdr_netobj               lt_owner;
 197        u64                             lt_offset;
 198        u64                             lt_length;
 199        struct nfsd4_lock_denied        lt_denied;
 200};
 201
 202 
 203struct nfsd4_locku {
 204        u32             lu_type;
 205        u32             lu_seqid;
 206        stateid_t       lu_stateid;
 207        u64             lu_offset;
 208        u64             lu_length;
 209};
 210
 211
 212struct nfsd4_lookup {
 213        u32             lo_len;             /* request */
 214        char *          lo_name;            /* request */
 215};
 216
 217struct nfsd4_putfh {
 218        u32             pf_fhlen;           /* request */
 219        char            *pf_fhval;          /* request */
 220};
 221
 222struct nfsd4_open {
 223        u32             op_claim_type;      /* request */
 224        struct xdr_netobj op_fname;         /* request - everything but CLAIM_PREV */
 225        u32             op_delegate_type;   /* request - CLAIM_PREV only */
 226        stateid_t       op_delegate_stateid; /* request - response */
 227        u32             op_why_no_deleg;    /* response - DELEG_NONE_EXT only */
 228        u32             op_create;          /* request */
 229        u32             op_createmode;      /* request */
 230        u32             op_bmval[3];        /* request */
 231        struct iattr    iattr;              /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
 232        nfs4_verifier   op_verf __attribute__((aligned(32)));
 233                                            /* EXCLUSIVE4 */
 234        clientid_t      op_clientid;        /* request */
 235        struct xdr_netobj op_owner;           /* request */
 236        u32             op_seqid;           /* request */
 237        u32             op_share_access;    /* request */
 238        u32             op_share_deny;      /* request */
 239        u32             op_deleg_want;      /* request */
 240        stateid_t       op_stateid;         /* response */
 241        __be32          op_xdr_error;       /* see nfsd4_open_omfg() */
 242        u32             op_recall;          /* recall */
 243        struct nfsd4_change_info  op_cinfo; /* response */
 244        u32             op_rflags;          /* response */
 245        bool            op_truncate;        /* used during processing */
 246        bool            op_created;         /* used during processing */
 247        struct nfs4_openowner *op_openowner; /* used during processing */
 248        struct nfs4_file *op_file;          /* used during processing */
 249        struct nfs4_ol_stateid *op_stp;     /* used during processing */
 250        struct nfs4_acl *op_acl;
 251        struct xdr_netobj op_label;
 252};
 253#define op_iattr        iattr
 254
 255struct nfsd4_open_confirm {
 256        stateid_t       oc_req_stateid          /* request */;
 257        u32             oc_seqid                /* request */;
 258        stateid_t       oc_resp_stateid         /* response */;
 259};
 260
 261struct nfsd4_open_downgrade {
 262        stateid_t       od_stateid;
 263        u32             od_seqid;
 264        u32             od_share_access;        /* request */
 265        u32             od_deleg_want;          /* request */
 266        u32             od_share_deny;          /* request */
 267};
 268
 269
 270struct nfsd4_read {
 271        stateid_t       rd_stateid;         /* request */
 272        u64             rd_offset;          /* request */
 273        u32             rd_length;          /* request */
 274        int             rd_vlen;
 275        struct file     *rd_filp;
 276        
 277        struct svc_rqst *rd_rqstp;          /* response */
 278        struct svc_fh * rd_fhp;             /* response */
 279};
 280
 281struct nfsd4_readdir {
 282        u64             rd_cookie;          /* request */
 283        nfs4_verifier   rd_verf;            /* request */
 284        u32             rd_dircount;        /* request */
 285        u32             rd_maxcount;        /* request */
 286        u32             rd_bmval[3];        /* request */
 287        struct svc_rqst *rd_rqstp;          /* response */
 288        struct svc_fh * rd_fhp;             /* response */
 289
 290        struct readdir_cd       common;
 291        __be32 *                buffer;
 292        int                     buflen;
 293        __be32 *                offset;
 294};
 295
 296struct nfsd4_release_lockowner {
 297        clientid_t        rl_clientid;
 298        struct xdr_netobj rl_owner;
 299};
 300struct nfsd4_readlink {
 301        struct svc_rqst *rl_rqstp;          /* request */
 302        struct svc_fh * rl_fhp;             /* request */
 303};
 304
 305struct nfsd4_remove {
 306        u32             rm_namelen;         /* request */
 307        char *          rm_name;            /* request */
 308        struct nfsd4_change_info  rm_cinfo; /* response */
 309};
 310
 311struct nfsd4_rename {
 312        u32             rn_snamelen;        /* request */
 313        char *          rn_sname;           /* request */
 314        u32             rn_tnamelen;        /* request */
 315        char *          rn_tname;           /* request */
 316        struct nfsd4_change_info  rn_sinfo; /* response */
 317        struct nfsd4_change_info  rn_tinfo; /* response */
 318};
 319
 320struct nfsd4_secinfo {
 321        u32 si_namelen;                                 /* request */
 322        char *si_name;                                  /* request */
 323        struct svc_export *si_exp;                      /* response */
 324};
 325
 326struct nfsd4_secinfo_no_name {
 327        u32 sin_style;                                  /* request */
 328        struct svc_export *sin_exp;                     /* response */
 329};
 330
 331struct nfsd4_setattr {
 332        stateid_t       sa_stateid;         /* request */
 333        u32             sa_bmval[3];        /* request */
 334        struct iattr    sa_iattr;           /* request */
 335        struct nfs4_acl *sa_acl;
 336        struct xdr_netobj sa_label;
 337};
 338
 339struct nfsd4_setclientid {
 340        nfs4_verifier   se_verf;            /* request */
 341        struct xdr_netobj se_name;
 342        u32             se_callback_prog;   /* request */
 343        u32             se_callback_netid_len;  /* request */
 344        char *          se_callback_netid_val;  /* request */
 345        u32             se_callback_addr_len;   /* request */
 346        char *          se_callback_addr_val;   /* request */
 347        u32             se_callback_ident;  /* request */
 348        clientid_t      se_clientid;        /* response */
 349        nfs4_verifier   se_confirm;         /* response */
 350};
 351
 352struct nfsd4_setclientid_confirm {
 353        clientid_t      sc_clientid;
 354        nfs4_verifier   sc_confirm;
 355};
 356
 357struct nfsd4_saved_compoundargs {
 358        __be32 *p;
 359        __be32 *end;
 360        int pagelen;
 361        struct page **pagelist;
 362};
 363
 364struct nfsd4_test_stateid_id {
 365        __be32                  ts_id_status;
 366        stateid_t               ts_id_stateid;
 367        struct list_head        ts_id_list;
 368};
 369
 370struct nfsd4_test_stateid {
 371        u32             ts_num_ids;
 372        struct list_head ts_stateid_list;
 373};
 374
 375struct nfsd4_free_stateid {
 376        stateid_t       fr_stateid;         /* request */
 377        __be32          fr_status;          /* response */
 378};
 379
 380/* also used for NVERIFY */
 381struct nfsd4_verify {
 382        u32             ve_bmval[3];        /* request */
 383        u32             ve_attrlen;         /* request */
 384        char *          ve_attrval;         /* request */
 385};
 386
 387struct nfsd4_write {
 388        stateid_t       wr_stateid;         /* request */
 389        u64             wr_offset;          /* request */
 390        u32             wr_stable_how;      /* request */
 391        u32             wr_buflen;          /* request */
 392        struct kvec     wr_head;
 393        struct page **  wr_pagelist;        /* request */
 394
 395        u32             wr_bytes_written;   /* response */
 396        u32             wr_how_written;     /* response */
 397        nfs4_verifier   wr_verifier;        /* response */
 398};
 399
 400struct nfsd4_exchange_id {
 401        nfs4_verifier   verifier;
 402        struct xdr_netobj clname;
 403        u32             flags;
 404        clientid_t      clientid;
 405        u32             seqid;
 406        int             spa_how;
 407};
 408
 409struct nfsd4_sequence {
 410        struct nfs4_sessionid   sessionid;              /* request/response */
 411        u32                     seqid;                  /* request/response */
 412        u32                     slotid;                 /* request/response */
 413        u32                     maxslots;               /* request/response */
 414        u32                     cachethis;              /* request */
 415#if 0
 416        u32                     target_maxslots;        /* response */
 417#endif /* not yet */
 418        u32                     status_flags;           /* response */
 419};
 420
 421struct nfsd4_destroy_session {
 422        struct nfs4_sessionid   sessionid;
 423};
 424
 425struct nfsd4_destroy_clientid {
 426        clientid_t clientid;
 427};
 428
 429struct nfsd4_reclaim_complete {
 430        u32 rca_one_fs;
 431};
 432
 433struct nfsd4_op {
 434        int                                     opnum;
 435        __be32                                  status;
 436        union {
 437                struct nfsd4_access             access;
 438                struct nfsd4_close              close;
 439                struct nfsd4_commit             commit;
 440                struct nfsd4_create             create;
 441                struct nfsd4_delegreturn        delegreturn;
 442                struct nfsd4_getattr            getattr;
 443                struct svc_fh *                 getfh;
 444                struct nfsd4_link               link;
 445                struct nfsd4_lock               lock;
 446                struct nfsd4_lockt              lockt;
 447                struct nfsd4_locku              locku;
 448                struct nfsd4_lookup             lookup;
 449                struct nfsd4_verify             nverify;
 450                struct nfsd4_open               open;
 451                struct nfsd4_open_confirm       open_confirm;
 452                struct nfsd4_open_downgrade     open_downgrade;
 453                struct nfsd4_putfh              putfh;
 454                struct nfsd4_read               read;
 455                struct nfsd4_readdir            readdir;
 456                struct nfsd4_readlink           readlink;
 457                struct nfsd4_remove             remove;
 458                struct nfsd4_rename             rename;
 459                clientid_t                      renew;
 460                struct nfsd4_secinfo            secinfo;
 461                struct nfsd4_setattr            setattr;
 462                struct nfsd4_setclientid        setclientid;
 463                struct nfsd4_setclientid_confirm setclientid_confirm;
 464                struct nfsd4_verify             verify;
 465                struct nfsd4_write              write;
 466                struct nfsd4_release_lockowner  release_lockowner;
 467
 468                /* NFSv4.1 */
 469                struct nfsd4_exchange_id        exchange_id;
 470                struct nfsd4_backchannel_ctl    backchannel_ctl;
 471                struct nfsd4_bind_conn_to_session bind_conn_to_session;
 472                struct nfsd4_create_session     create_session;
 473                struct nfsd4_destroy_session    destroy_session;
 474                struct nfsd4_sequence           sequence;
 475                struct nfsd4_reclaim_complete   reclaim_complete;
 476                struct nfsd4_test_stateid       test_stateid;
 477                struct nfsd4_free_stateid       free_stateid;
 478        } u;
 479        struct nfs4_replay *                    replay;
 480};
 481
 482bool nfsd4_cache_this_op(struct nfsd4_op *);
 483
 484struct nfsd4_compoundargs {
 485        /* scratch variables for XDR decode */
 486        __be32 *                        p;
 487        __be32 *                        end;
 488        struct page **                  pagelist;
 489        int                             pagelen;
 490        __be32                          tmp[8];
 491        __be32 *                        tmpp;
 492        struct tmpbuf {
 493                struct tmpbuf *next;
 494                void (*release)(const void *);
 495                void *buf;
 496        }                               *to_free;
 497
 498        struct svc_rqst                 *rqstp;
 499
 500        u32                             taglen;
 501        char *                          tag;
 502        u32                             minorversion;
 503        u32                             opcnt;
 504        struct nfsd4_op                 *ops;
 505        struct nfsd4_op                 iops[8];
 506        int                             cachetype;
 507};
 508
 509struct nfsd4_compoundres {
 510        /* scratch variables for XDR encode */
 511        __be32 *                        p;
 512        __be32 *                        end;
 513        struct xdr_buf *                xbuf;
 514        struct svc_rqst *               rqstp;
 515
 516        u32                             taglen;
 517        char *                          tag;
 518        u32                             opcnt;
 519        __be32 *                        tagp; /* tag, opcount encode location */
 520        struct nfsd4_compound_state     cstate;
 521};
 522
 523static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
 524{
 525        struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
 526        return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
 527}
 528
 529static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
 530{
 531        return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
 532                || nfsd4_is_solo_sequence(resp);
 533}
 534
 535static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
 536{
 537        struct nfsd4_compoundres *resp = rqstp->rq_resp;
 538        struct nfsd4_compoundargs *argp = rqstp->rq_argp;
 539
 540        return argp->opcnt == resp->opcnt;
 541}
 542
 543#define NFS4_SVC_XDRSIZE                sizeof(struct nfsd4_compoundargs)
 544
 545static inline void
 546set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
 547{
 548        BUG_ON(!fhp->fh_pre_saved);
 549        cinfo->atomic = fhp->fh_post_saved;
 550        cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
 551
 552        cinfo->before_change = fhp->fh_pre_change;
 553        cinfo->after_change = fhp->fh_post_change;
 554        cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
 555        cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
 556        cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
 557        cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
 558
 559}
 560
 561int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
 562int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
 563                struct nfsd4_compoundargs *);
 564int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
 565                struct nfsd4_compoundres *);
 566__be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
 567void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
 568void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
 569__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
 570                       struct dentry *dentry, __be32 **buffer, int countp,
 571                       u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
 572extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
 573                struct nfsd4_compound_state *,
 574                struct nfsd4_setclientid *setclid);
 575extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
 576                struct nfsd4_compound_state *,
 577                struct nfsd4_setclientid_confirm *setclientid_confirm);
 578extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp);
 579extern __be32 nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp,
 580                struct nfsd4_sequence *seq);
 581extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
 582                struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
 583extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
 584extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
 585extern __be32 nfsd4_create_session(struct svc_rqst *,
 586                struct nfsd4_compound_state *,
 587                struct nfsd4_create_session *);
 588extern __be32 nfsd4_sequence(struct svc_rqst *,
 589                struct nfsd4_compound_state *,
 590                struct nfsd4_sequence *);
 591extern __be32 nfsd4_destroy_session(struct svc_rqst *,
 592                struct nfsd4_compound_state *,
 593                struct nfsd4_destroy_session *);
 594extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
 595__be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
 596extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
 597                struct nfsd4_open *open, struct nfsd_net *nn);
 598extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
 599                struct svc_fh *current_fh, struct nfsd4_open *open);
 600extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status);
 601extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
 602                struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
 603extern __be32 nfsd4_close(struct svc_rqst *rqstp,
 604                struct nfsd4_compound_state *,
 605                struct nfsd4_close *close);
 606extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
 607                struct nfsd4_compound_state *,
 608                struct nfsd4_open_downgrade *od);
 609extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
 610                struct nfsd4_lock *lock);
 611extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
 612                struct nfsd4_compound_state *,
 613                struct nfsd4_lockt *lockt);
 614extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
 615                struct nfsd4_compound_state *,
 616                struct nfsd4_locku *locku);
 617extern __be32
 618nfsd4_release_lockowner(struct svc_rqst *rqstp,
 619                struct nfsd4_compound_state *,
 620                struct nfsd4_release_lockowner *rlockowner);
 621extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
 622extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
 623                struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
 624extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
 625                          struct nfsd4_compound_state *, clientid_t *clid);
 626extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
 627                struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
 628extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
 629                struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
 630extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
 631#endif
 632
 633/*
 634 * Local variables:
 635 *  c-basic-offset: 8
 636 * End:
 637 */
 638
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