fs/nfsd/xdr4.h

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