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 54 struct nfsd4_compound_state { 55 struct svc_fh current_fh; 56 struct svc_fh save_fh; 57 struct nfs4_stateowner *replay_owner; 58 struct nfs4_client *clp; 59 /* For sessions DRC */ 60 struct nfsd4_session *session; 61 struct nfsd4_slot *slot; 62 int data_offset; 63 size_t iovlen; 64 u32 minorversion; 65 __be32 status; 66 stateid_t current_stateid; 67 stateid_t save_stateid; 68 /* to indicate current and saved state id presents */ 69 u32 sid_flags; 70 }; 71 72 static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) 73 { 74 return cs->slot != NULL; 75 } 76 77 struct nfsd4_change_info { 78 u32 atomic; 79 bool change_supported; 80 u32 before_ctime_sec; 81 u32 before_ctime_nsec; 82 u64 before_change; 83 u32 after_ctime_sec; 84 u32 after_ctime_nsec; 85 u64 after_change; 86 }; 87 88 struct nfsd4_access { 89 u32 ac_req_access; /* request */ 90 u32 ac_supported; /* response */ 91 u32 ac_resp_access; /* response */ 92 }; 93 94 struct nfsd4_close { 95 u32 cl_seqid; /* request */ 96 stateid_t cl_stateid; /* request+response */ 97 }; 98 99 struct nfsd4_commit { 100 u64 co_offset; /* request */ 101 u32 co_count; /* request */ 102 nfs4_verifier co_verf; /* response */ 103 }; 104 105 struct nfsd4_create { 106 u32 cr_namelen; /* request */ 107 char * cr_name; /* request */ 108 u32 cr_type; /* request */ 109 union { /* request */ 110 struct { 111 u32 datalen; 112 char *data; 113 } link; /* NF4LNK */ 114 struct { 115 u32 specdata1; 116 u32 specdata2; 117 } dev; /* NF4BLK, NF4CHR */ 118 } u; 119 u32 cr_bmval[3]; /* request */ 120 struct iattr cr_iattr; /* request */ 121 struct nfsd4_change_info cr_cinfo; /* response */ 122 struct nfs4_acl *cr_acl; 123 struct xdr_netobj cr_label; 124 }; 125 #define cr_datalen u.link.datalen 126 #define cr_data u.link.data 127 #define cr_specdata1 u.dev.specdata1 128 #define cr_specdata2 u.dev.specdata2 129 130 struct nfsd4_delegreturn { 131 stateid_t dr_stateid; 132 }; 133 134 struct nfsd4_getattr { 135 u32 ga_bmval[3]; /* request */ 136 struct svc_fh *ga_fhp; /* response */ 137 }; 138 139 struct nfsd4_link { 140 u32 li_namelen; /* request */ 141 char * li_name; /* request */ 142 struct nfsd4_change_info li_cinfo; /* response */ 143 }; 144 145 struct nfsd4_lock_denied { 146 clientid_t ld_clientid; 147 struct xdr_netobj ld_owner; 148 u64 ld_start; 149 u64 ld_length; 150 u32 ld_type; 151 }; 152 153 struct nfsd4_lock { 154 /* request */ 155 u32 lk_type; 156 u32 lk_reclaim; /* boolean */ 157 u64 lk_offset; 158 u64 lk_length; 159 u32 lk_is_new; 160 union { 161 struct { 162 u32 open_seqid; 163 stateid_t open_stateid; 164 u32 lock_seqid; 165 clientid_t clientid; 166 struct xdr_netobj owner; 167 } new; 168 struct { 169 stateid_t lock_stateid; 170 u32 lock_seqid; 171 } old; 172 } v; 173 174 /* response */ 175 union { 176 struct { 177 stateid_t stateid; 178 } ok; 179 struct nfsd4_lock_denied denied; 180 } u; 181 }; 182 #define lk_new_open_seqid v.new.open_seqid 183 #define lk_new_open_stateid v.new.open_stateid 184 #define lk_new_lock_seqid v.new.lock_seqid 185 #define lk_new_clientid v.new.clientid 186 #define lk_new_owner v.new.owner 187 #define lk_old_lock_stateid v.old.lock_stateid 188 #define lk_old_lock_seqid v.old.lock_seqid 189 190 #define lk_resp_stateid u.ok.stateid 191 #define lk_denied u.denied 192 193 194 struct nfsd4_lockt { 195 u32 lt_type; 196 clientid_t lt_clientid; 197 struct xdr_netobj lt_owner; 198 u64 lt_offset; 199 u64 lt_length; 200 struct nfsd4_lock_denied lt_denied; 201 }; 202 203 204 struct nfsd4_locku { 205 u32 lu_type; 206 u32 lu_seqid; 207 stateid_t lu_stateid; 208 u64 lu_offset; 209 u64 lu_length; 210 }; 211 212 213 struct nfsd4_lookup { 214 u32 lo_len; /* request */ 215 char * lo_name; /* request */ 216 }; 217 218 struct nfsd4_putfh { 219 u32 pf_fhlen; /* request */ 220 char *pf_fhval; /* request */ 221 }; 222 223 struct nfsd4_open { 224 u32 op_claim_type; /* request */ 225 struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ 226 u32 op_delegate_type; /* request - CLAIM_PREV only */ 227 stateid_t op_delegate_stateid; /* request - response */ 228 u32 op_why_no_deleg; /* response - DELEG_NONE_EXT only */ 229 u32 op_create; /* request */ 230 u32 op_createmode; /* request */ 231 u32 op_bmval[3]; /* request */ 232 struct iattr op_iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ 233 nfs4_verifier op_verf __attribute__((aligned(32))); 234 /* EXCLUSIVE4 */ 235 clientid_t op_clientid; /* request */ 236 struct xdr_netobj op_owner; /* request */ 237 u32 op_seqid; /* request */ 238 u32 op_share_access; /* request */ 239 u32 op_share_deny; /* request */ 240 u32 op_deleg_want; /* request */ 241 stateid_t op_stateid; /* response */ 242 __be32 op_xdr_error; /* see nfsd4_open_omfg() */ 243 u32 op_recall; /* recall */ 244 struct nfsd4_change_info op_cinfo; /* response */ 245 u32 op_rflags; /* response */ 246 bool op_truncate; /* used during processing */ 247 bool op_created; /* used during processing */ 248 struct nfs4_openowner *op_openowner; /* used during processing */ 249 struct nfs4_file *op_file; /* used during processing */ 250 struct nfs4_ol_stateid *op_stp; /* used during processing */ 251 struct nfs4_acl *op_acl; 252 struct xdr_netobj op_label; 253 }; 254 255 struct nfsd4_open_confirm { 256 stateid_t oc_req_stateid /* request */; 257 u32 oc_seqid /* request */; 258 stateid_t oc_resp_stateid /* response */; 259 }; 260 261 struct 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 }; 268 269 270 struct 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 }; 280 281 struct 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 struct xdr_stream *xdr; 292 int cookie_offset; 293 }; 294 295 struct nfsd4_release_lockowner { 296 clientid_t rl_clientid; 297 struct xdr_netobj rl_owner; 298 }; 299 struct nfsd4_readlink { 300 struct svc_rqst *rl_rqstp; /* request */ 301 struct svc_fh * rl_fhp; /* request */ 302 }; 303 304 struct nfsd4_remove { 305 u32 rm_namelen; /* request */ 306 char * rm_name; /* request */ 307 struct nfsd4_change_info rm_cinfo; /* response */ 308 }; 309 310 struct nfsd4_rename { 311 u32 rn_snamelen; /* request */ 312 char * rn_sname; /* request */ 313 u32 rn_tnamelen; /* request */ 314 char * rn_tname; /* request */ 315 struct nfsd4_change_info rn_sinfo; /* response */ 316 struct nfsd4_change_info rn_tinfo; /* response */ 317 }; 318 319 struct nfsd4_secinfo { 320 u32 si_namelen; /* request */ 321 char *si_name; /* request */ 322 struct svc_export *si_exp; /* response */ 323 }; 324 325 struct nfsd4_secinfo_no_name { 326 u32 sin_style; /* request */ 327 struct svc_export *sin_exp; /* response */ 328 }; 329 330 struct nfsd4_setattr { 331 stateid_t sa_stateid; /* request */ 332 u32 sa_bmval[3]; /* request */ 333 struct iattr sa_iattr; /* request */ 334 struct nfs4_acl *sa_acl; 335 struct xdr_netobj sa_label; 336 }; 337 338 struct nfsd4_setclientid { 339 nfs4_verifier se_verf; /* request */ 340 struct xdr_netobj se_name; 341 u32 se_callback_prog; /* request */ 342 u32 se_callback_netid_len; /* request */ 343 char * se_callback_netid_val; /* request */ 344 u32 se_callback_addr_len; /* request */ 345 char * se_callback_addr_val; /* request */ 346 u32 se_callback_ident; /* request */ 347 clientid_t se_clientid; /* response */ 348 nfs4_verifier se_confirm; /* response */ 349 }; 350 351 struct nfsd4_setclientid_confirm { 352 clientid_t sc_clientid; 353 nfs4_verifier sc_confirm; 354 }; 355 356 struct nfsd4_saved_compoundargs { 357 __be32 *p; 358 __be32 *end; 359 int pagelen; 360 struct page **pagelist; 361 }; 362 363 struct nfsd4_test_stateid_id { 364 __be32 ts_id_status; 365 stateid_t ts_id_stateid; 366 struct list_head ts_id_list; 367 }; 368 369 struct nfsd4_test_stateid { 370 u32 ts_num_ids; 371 struct list_head ts_stateid_list; 372 }; 373 374 struct nfsd4_free_stateid { 375 stateid_t fr_stateid; /* request */ 376 }; 377 378 /* also used for NVERIFY */ 379 struct nfsd4_verify { 380 u32 ve_bmval[3]; /* request */ 381 u32 ve_attrlen; /* request */ 382 char * ve_attrval; /* request */ 383 }; 384 385 struct nfsd4_write { 386 stateid_t wr_stateid; /* request */ 387 u64 wr_offset; /* request */ 388 u32 wr_stable_how; /* request */ 389 u32 wr_buflen; /* request */ 390 struct kvec wr_head; 391 struct page ** wr_pagelist; /* request */ 392 393 u32 wr_bytes_written; /* response */ 394 u32 wr_how_written; /* response */ 395 nfs4_verifier wr_verifier; /* response */ 396 }; 397 398 struct nfsd4_exchange_id { 399 nfs4_verifier verifier; 400 struct xdr_netobj clname; 401 u32 flags; 402 clientid_t clientid; 403 u32 seqid; 404 int spa_how; 405 }; 406 407 struct nfsd4_sequence { 408 struct nfs4_sessionid sessionid; /* request/response */ 409 u32 seqid; /* request/response */ 410 u32 slotid; /* request/response */ 411 u32 maxslots; /* request/response */ 412 u32 cachethis; /* request */ 413 #if 0 414 u32 target_maxslots; /* response */ 415 #endif /* not yet */ 416 u32 status_flags; /* response */ 417 }; 418 419 struct nfsd4_destroy_session { 420 struct nfs4_sessionid sessionid; 421 }; 422 423 struct nfsd4_destroy_clientid { 424 clientid_t clientid; 425 }; 426 427 struct nfsd4_reclaim_complete { 428 u32 rca_one_fs; 429 }; 430 431 struct nfsd4_fallocate { 432 /* request */ 433 stateid_t falloc_stateid; 434 loff_t falloc_offset; 435 u64 falloc_length; 436 }; 437 438 struct nfsd4_seek { 439 /* request */ 440 stateid_t seek_stateid; 441 loff_t seek_offset; 442 u32 seek_whence; 443 444 /* response */ 445 u32 seek_eof; 446 loff_t seek_pos; 447 }; 448 449 struct nfsd4_op { 450 int opnum; 451 __be32 status; 452 union { 453 struct nfsd4_access access; 454 struct nfsd4_close close; 455 struct nfsd4_commit commit; 456 struct nfsd4_create create; 457 struct nfsd4_delegreturn delegreturn; 458 struct nfsd4_getattr getattr; 459 struct svc_fh * getfh; 460 struct nfsd4_link link; 461 struct nfsd4_lock lock; 462 struct nfsd4_lockt lockt; 463 struct nfsd4_locku locku; 464 struct nfsd4_lookup lookup; 465 struct nfsd4_verify nverify; 466 struct nfsd4_open open; 467 struct nfsd4_open_confirm open_confirm; 468 struct nfsd4_open_downgrade open_downgrade; 469 struct nfsd4_putfh putfh; 470 struct nfsd4_read read; 471 struct nfsd4_readdir readdir; 472 struct nfsd4_readlink readlink; 473 struct nfsd4_remove remove; 474 struct nfsd4_rename rename; 475 clientid_t renew; 476 struct nfsd4_secinfo secinfo; 477 struct nfsd4_setattr setattr; 478 struct nfsd4_setclientid setclientid; 479 struct nfsd4_setclientid_confirm setclientid_confirm; 480 struct nfsd4_verify verify; 481 struct nfsd4_write write; 482 struct nfsd4_release_lockowner release_lockowner; 483 484 /* NFSv4.1 */ 485 struct nfsd4_exchange_id exchange_id; 486 struct nfsd4_backchannel_ctl backchannel_ctl; 487 struct nfsd4_bind_conn_to_session bind_conn_to_session; 488 struct nfsd4_create_session create_session; 489 struct nfsd4_destroy_session destroy_session; 490 struct nfsd4_sequence sequence; 491 struct nfsd4_reclaim_complete reclaim_complete; 492 struct nfsd4_test_stateid test_stateid; 493 struct nfsd4_free_stateid free_stateid; 494 495 /* NFSv4.2 */ 496 struct nfsd4_fallocate allocate; 497 struct nfsd4_fallocate deallocate; 498 struct nfsd4_seek seek; 499 } u; 500 struct nfs4_replay * replay; 501 }; 502 503 bool nfsd4_cache_this_op(struct nfsd4_op *); 504 505 /* 506 * Memory needed just for the duration of processing one compound: 507 */ 508 struct svcxdr_tmpbuf { 509 struct svcxdr_tmpbuf *next; 510 char buf[]; 511 }; 512 513 struct nfsd4_compoundargs { 514 /* scratch variables for XDR decode */ 515 __be32 * p; 516 __be32 * end; 517 struct page ** pagelist; 518 int pagelen; 519 __be32 tmp[8]; 520 __be32 * tmpp; 521 struct svcxdr_tmpbuf *to_free; 522 523 struct svc_rqst *rqstp; 524 525 u32 taglen; 526 char * tag; 527 u32 minorversion; 528 u32 opcnt; 529 struct nfsd4_op *ops; 530 struct nfsd4_op iops[8]; 531 int cachetype; 532 }; 533 534 struct nfsd4_compoundres { 535 /* scratch variables for XDR encode */ 536 struct xdr_stream xdr; 537 struct svc_rqst * rqstp; 538 539 u32 taglen; 540 char * tag; 541 u32 opcnt; 542 __be32 * tagp; /* tag, opcount encode location */ 543 struct nfsd4_compound_state cstate; 544 }; 545 546 static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) 547 { 548 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; 549 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; 550 } 551 552 static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp) 553 { 554 return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) 555 || nfsd4_is_solo_sequence(resp); 556 } 557 558 static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) 559 { 560 struct nfsd4_compoundres *resp = rqstp->rq_resp; 561 struct nfsd4_compoundargs *argp = rqstp->rq_argp; 562 563 return argp->opcnt == resp->opcnt; 564 } 565 566 int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); 567 void warn_on_nonidempotent_op(struct nfsd4_op *op); 568 569 #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) 570 571 static inline void 572 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) 573 { 574 BUG_ON(!fhp->fh_pre_saved); 575 cinfo->atomic = fhp->fh_post_saved; 576 cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode); 577 578 cinfo->before_change = fhp->fh_pre_change; 579 cinfo->after_change = fhp->fh_post_change; 580 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; 581 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; 582 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; 583 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; 584 585 } 586 587 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *); 588 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *, 589 struct nfsd4_compoundargs *); 590 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *, 591 struct nfsd4_compoundres *); 592 __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); 593 void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); 594 void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); 595 __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, 596 struct svc_fh *fhp, struct svc_export *exp, 597 struct dentry *dentry, 598 u32 *bmval, struct svc_rqst *, int ignore_crossmnt); 599 extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, 600 struct nfsd4_compound_state *, 601 struct nfsd4_setclientid *setclid); 602 extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, 603 struct nfsd4_compound_state *, 604 struct nfsd4_setclientid_confirm *setclientid_confirm); 605 extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, 606 struct nfsd4_compound_state *, struct nfsd4_exchange_id *); 607 extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *); 608 extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *); 609 extern __be32 nfsd4_create_session(struct svc_rqst *, 610 struct nfsd4_compound_state *, 611 struct nfsd4_create_session *); 612 extern __be32 nfsd4_sequence(struct svc_rqst *, 613 struct nfsd4_compound_state *, 614 struct nfsd4_sequence *); 615 extern void nfsd4_sequence_done(struct nfsd4_compoundres *resp); 616 extern __be32 nfsd4_destroy_session(struct svc_rqst *, 617 struct nfsd4_compound_state *, 618 struct nfsd4_destroy_session *); 619 extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *); 620 __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *); 621 extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, 622 struct nfsd4_open *open, struct nfsd_net *nn); 623 extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, 624 struct svc_fh *current_fh, struct nfsd4_open *open); 625 extern void nfsd4_cstate_clear_replay(struct nfsd4_compound_state *cstate); 626 extern void nfsd4_cleanup_open_state(struct nfsd4_compound_state *cstate, 627 struct nfsd4_open *open, __be32 status); 628 extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, 629 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); 630 extern __be32 nfsd4_close(struct svc_rqst *rqstp, 631 struct nfsd4_compound_state *, 632 struct nfsd4_close *close); 633 extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, 634 struct nfsd4_compound_state *, 635 struct nfsd4_open_downgrade *od); 636 extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, 637 struct nfsd4_lock *lock); 638 extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, 639 struct nfsd4_compound_state *, 640 struct nfsd4_lockt *lockt); 641 extern __be32 nfsd4_locku(struct svc_rqst *rqstp, 642 struct nfsd4_compound_state *, 643 struct nfsd4_locku *locku); 644 extern __be32 645 nfsd4_release_lockowner(struct svc_rqst *rqstp, 646 struct nfsd4_compound_state *, 647 struct nfsd4_release_lockowner *rlockowner); 648 extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp); 649 extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, 650 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); 651 extern __be32 nfsd4_renew(struct svc_rqst *rqstp, 652 struct nfsd4_compound_state *, clientid_t *clid); 653 extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, 654 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid); 655 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, 656 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid); 657 extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); 658 659 #endif 660 661 /* 662 * Local variables: 663 * c-basic-offset: 8 664 * End: 665 */ 666