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