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 /* For sessions DRC */ 59 struct nfsd4_session *session; 60 struct nfsd4_slot *slot; 61 int data_offset; 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 71 static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) 72 { 73 return cs->slot != NULL; 74 } 75 76 struct 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 87 struct nfsd4_access { 88 u32 ac_req_access; /* request */ 89 u32 ac_supported; /* response */ 90 u32 ac_resp_access; /* response */ 91 }; 92 93 struct nfsd4_close { 94 u32 cl_seqid; /* request */ 95 stateid_t cl_stateid; /* request+response */ 96 }; 97 98 struct nfsd4_commit { 99 u64 co_offset; /* request */ 100 u32 co_count; /* request */ 101 nfs4_verifier co_verf; /* response */ 102 }; 103 104 struct 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 128 129 struct nfsd4_delegreturn { 130 stateid_t dr_stateid; 131 }; 132 133 struct nfsd4_getattr { 134 u32 ga_bmval[3]; /* request */ 135 struct svc_fh *ga_fhp; /* response */ 136 }; 137 138 struct nfsd4_link { 139 u32 li_namelen; /* request */ 140 char * li_name; /* request */ 141 struct nfsd4_change_info li_cinfo; /* response */ 142 }; 143 144 struct 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 }; 151 152 struct 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 191 192 193 struct 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 }; 201 202 203 struct nfsd4_locku { 204 u32 lu_type; 205 u32 lu_seqid; 206 stateid_t lu_stateid; 207 u64 lu_offset; 208 u64 lu_length; 209 }; 210 211 212 struct nfsd4_lookup { 213 u32 lo_len; /* request */ 214 char * lo_name; /* request */ 215 }; 216 217 struct nfsd4_putfh { 218 u32 pf_fhlen; /* request */ 219 char *pf_fhval; /* request */ 220 }; 221 222 struct 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 op_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 }; 253 254 struct nfsd4_open_confirm { 255 stateid_t oc_req_stateid /* request */; 256 u32 oc_seqid /* request */; 257 stateid_t oc_resp_stateid /* response */; 258 }; 259 260 struct nfsd4_open_downgrade { 261 stateid_t od_stateid; 262 u32 od_seqid; 263 u32 od_share_access; /* request */ 264 u32 od_deleg_want; /* request */ 265 u32 od_share_deny; /* request */ 266 }; 267 268 269 struct nfsd4_read { 270 stateid_t rd_stateid; /* request */ 271 u64 rd_offset; /* request */ 272 u32 rd_length; /* request */ 273 int rd_vlen; 274 struct file *rd_filp; 275 276 struct svc_rqst *rd_rqstp; /* response */ 277 struct svc_fh * rd_fhp; /* response */ 278 }; 279 280 struct nfsd4_readdir { 281 u64 rd_cookie; /* request */ 282 nfs4_verifier rd_verf; /* request */ 283 u32 rd_dircount; /* request */ 284 u32 rd_maxcount; /* request */ 285 u32 rd_bmval[3]; /* request */ 286 struct svc_rqst *rd_rqstp; /* response */ 287 struct svc_fh * rd_fhp; /* response */ 288 289 struct readdir_cd common; 290 struct xdr_stream *xdr; 291 int cookie_offset; 292 }; 293 294 struct nfsd4_release_lockowner { 295 clientid_t rl_clientid; 296 struct xdr_netobj rl_owner; 297 }; 298 struct nfsd4_readlink { 299 struct svc_rqst *rl_rqstp; /* request */ 300 struct svc_fh * rl_fhp; /* request */ 301 }; 302 303 struct nfsd4_remove { 304 u32 rm_namelen; /* request */ 305 char * rm_name; /* request */ 306 struct nfsd4_change_info rm_cinfo; /* response */ 307 }; 308 309 struct nfsd4_rename { 310 u32 rn_snamelen; /* request */ 311 char * rn_sname; /* request */ 312 u32 rn_tnamelen; /* request */ 313 char * rn_tname; /* request */ 314 struct nfsd4_change_info rn_sinfo; /* response */ 315 struct nfsd4_change_info rn_tinfo; /* response */ 316 }; 317 318 struct nfsd4_secinfo { 319 u32 si_namelen; /* request */ 320 char *si_name; /* request */ 321 struct svc_export *si_exp; /* response */ 322 }; 323 324 struct nfsd4_secinfo_no_name { 325 u32 sin_style; /* request */ 326 struct svc_export *sin_exp; /* response */ 327 }; 328 329 struct nfsd4_setattr { 330 stateid_t sa_stateid; /* request */ 331 u32 sa_bmval[3]; /* request */ 332 struct iattr sa_iattr; /* request */ 333 struct nfs4_acl *sa_acl; 334 struct xdr_netobj sa_label; 335 }; 336 337 struct nfsd4_setclientid { 338 nfs4_verifier se_verf; /* request */ 339 struct xdr_netobj se_name; 340 u32 se_callback_prog; /* request */ 341 u32 se_callback_netid_len; /* request */ 342 char * se_callback_netid_val; /* request */ 343 u32 se_callback_addr_len; /* request */ 344 char * se_callback_addr_val; /* request */ 345 u32 se_callback_ident; /* request */ 346 clientid_t se_clientid; /* response */ 347 nfs4_verifier se_confirm; /* response */ 348 }; 349 350 struct nfsd4_setclientid_confirm { 351 clientid_t sc_clientid; 352 nfs4_verifier sc_confirm; 353 }; 354 355 struct nfsd4_saved_compoundargs { 356 __be32 *p; 357 __be32 *end; 358 int pagelen; 359 struct page **pagelist; 360 }; 361 362 struct nfsd4_test_stateid_id { 363 __be32 ts_id_status; 364 stateid_t ts_id_stateid; 365 struct list_head ts_id_list; 366 }; 367 368 struct nfsd4_test_stateid { 369 u32 ts_num_ids; 370 struct list_head ts_stateid_list; 371 }; 372 373 struct nfsd4_free_stateid { 374 stateid_t fr_stateid; /* request */ 375 }; 376 377 /* also used for NVERIFY */ 378 struct nfsd4_verify { 379 u32 ve_bmval[3]; /* request */ 380 u32 ve_attrlen; /* request */ 381 char * ve_attrval; /* request */ 382 }; 383 384 struct nfsd4_write { 385 stateid_t wr_stateid; /* request */ 386 u64 wr_offset; /* request */ 387 u32 wr_stable_how; /* request */ 388 u32 wr_buflen; /* request */ 389 struct kvec wr_head; 390 struct page ** wr_pagelist; /* request */ 391 392 u32 wr_bytes_written; /* response */ 393 u32 wr_how_written; /* response */ 394 nfs4_verifier wr_verifier; /* response */ 395 }; 396 397 struct nfsd4_exchange_id { 398 nfs4_verifier verifier; 399 struct xdr_netobj clname; 400 u32 flags; 401 clientid_t clientid; 402 u32 seqid; 403 int spa_how; 404 }; 405 406 struct nfsd4_sequence { 407 struct nfs4_sessionid sessionid; /* request/response */ 408 u32 seqid; /* request/response */ 409 u32 slotid; /* request/response */ 410 u32 maxslots; /* request/response */ 411 u32 cachethis; /* request */ 412 #if 0 413 u32 target_maxslots; /* response */ 414 #endif /* not yet */ 415 u32 status_flags; /* response */ 416 }; 417 418 struct nfsd4_destroy_session { 419 struct nfs4_sessionid sessionid; 420 }; 421 422 struct nfsd4_destroy_clientid { 423 clientid_t clientid; 424 }; 425 426 struct nfsd4_reclaim_complete { 427 u32 rca_one_fs; 428 }; 429 430 struct nfsd4_op { 431 int opnum; 432 __be32 status; 433 union { 434 struct nfsd4_access access; 435 struct nfsd4_close close; 436 struct nfsd4_commit commit; 437 struct nfsd4_create create; 438 struct nfsd4_delegreturn delegreturn; 439 struct nfsd4_getattr getattr; 440 struct svc_fh * getfh; 441 struct nfsd4_link link; 442 struct nfsd4_lock lock; 443 struct nfsd4_lockt lockt; 444 struct nfsd4_locku locku; 445 struct nfsd4_lookup lookup; 446 struct nfsd4_verify nverify; 447 struct nfsd4_open open; 448 struct nfsd4_open_confirm open_confirm; 449 struct nfsd4_open_downgrade open_downgrade; 450 struct nfsd4_putfh putfh; 451 struct nfsd4_read read; 452 struct nfsd4_readdir readdir; 453 struct nfsd4_readlink readlink; 454 struct nfsd4_remove remove; 455 struct nfsd4_rename rename; 456 clientid_t renew; 457 struct nfsd4_secinfo secinfo; 458 struct nfsd4_setattr setattr; 459 struct nfsd4_setclientid setclientid; 460 struct nfsd4_setclientid_confirm setclientid_confirm; 461 struct nfsd4_verify verify; 462 struct nfsd4_write write; 463 struct nfsd4_release_lockowner release_lockowner; 464 465 /* NFSv4.1 */ 466 struct nfsd4_exchange_id exchange_id; 467 struct nfsd4_backchannel_ctl backchannel_ctl; 468 struct nfsd4_bind_conn_to_session bind_conn_to_session; 469 struct nfsd4_create_session create_session; 470 struct nfsd4_destroy_session destroy_session; 471 struct nfsd4_sequence sequence; 472 struct nfsd4_reclaim_complete reclaim_complete; 473 struct nfsd4_test_stateid test_stateid; 474 struct nfsd4_free_stateid free_stateid; 475 } u; 476 struct nfs4_replay * replay; 477 }; 478 479 bool nfsd4_cache_this_op(struct nfsd4_op *); 480 481 struct nfsd4_compoundargs { 482 /* scratch variables for XDR decode */ 483 __be32 * p; 484 __be32 * end; 485 struct page ** pagelist; 486 int pagelen; 487 __be32 tmp[8]; 488 __be32 * tmpp; 489 struct tmpbuf { 490 struct tmpbuf *next; 491 void (*release)(const void *); 492 void *buf; 493 } *to_free; 494 495 struct svc_rqst *rqstp; 496 497 u32 taglen; 498 char * tag; 499 u32 minorversion; 500 u32 opcnt; 501 struct nfsd4_op *ops; 502 struct nfsd4_op iops[8]; 503 int cachetype; 504 }; 505 506 struct nfsd4_compoundres { 507 /* scratch variables for XDR encode */ 508 struct xdr_stream xdr; 509 struct svc_rqst * rqstp; 510 511 u32 taglen; 512 char * tag; 513 u32 opcnt; 514 __be32 * tagp; /* tag, opcount encode location */ 515 struct nfsd4_compound_state cstate; 516 }; 517 518 static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) 519 { 520 struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; 521 return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; 522 } 523 524 static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp) 525 { 526 return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS) 527 || nfsd4_is_solo_sequence(resp); 528 } 529 530 static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp) 531 { 532 struct nfsd4_compoundres *resp = rqstp->rq_resp; 533 struct nfsd4_compoundargs *argp = rqstp->rq_argp; 534 535 return argp->opcnt == resp->opcnt; 536 } 537 538 int nfsd4_max_reply(struct svc_rqst *rqstp, struct nfsd4_op *op); 539 void warn_on_nonidempotent_op(struct nfsd4_op *op); 540 541 #define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) 542 543 static inline void 544 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) 545 { 546 BUG_ON(!fhp->fh_pre_saved); 547 cinfo->atomic = fhp->fh_post_saved; 548 cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode); 549 550 cinfo->before_change = fhp->fh_pre_change; 551 cinfo->after_change = fhp->fh_post_change; 552 cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; 553 cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; 554 cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; 555 cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; 556 557 } 558 559 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *); 560 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *, 561 struct nfsd4_compoundargs *); 562 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *, 563 struct nfsd4_compoundres *); 564 __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32); 565 void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); 566 void nfsd4_encode_replay(struct xdr_stream *xdr, struct nfsd4_op *op); 567 __be32 nfsd4_encode_fattr_to_buf(__be32 **p, int words, 568 struct svc_fh *fhp, struct svc_export *exp, 569 struct dentry *dentry, 570 u32 *bmval, struct svc_rqst *, int ignore_crossmnt); 571 extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, 572 struct nfsd4_compound_state *, 573 struct nfsd4_setclientid *setclid); 574 extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, 575 struct nfsd4_compound_state *, 576 struct nfsd4_setclientid_confirm *setclientid_confirm); 577 extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp); 578 extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, 579 struct nfsd4_compound_state *, struct nfsd4_exchange_id *); 580 extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *); 581 extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *); 582 extern __be32 nfsd4_create_session(struct svc_rqst *, 583 struct nfsd4_compound_state *, 584 struct nfsd4_create_session *); 585 extern __be32 nfsd4_sequence(struct svc_rqst *, 586 struct nfsd4_compound_state *, 587 struct nfsd4_sequence *); 588 extern __be32 nfsd4_destroy_session(struct svc_rqst *, 589 struct nfsd4_compound_state *, 590 struct nfsd4_destroy_session *); 591 extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *); 592 __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *); 593 extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, 594 struct nfsd4_open *open, struct nfsd_net *nn); 595 extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, 596 struct svc_fh *current_fh, struct nfsd4_open *open); 597 extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status); 598 extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, 599 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); 600 extern __be32 nfsd4_close(struct svc_rqst *rqstp, 601 struct nfsd4_compound_state *, 602 struct nfsd4_close *close); 603 extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, 604 struct nfsd4_compound_state *, 605 struct nfsd4_open_downgrade *od); 606 extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, 607 struct nfsd4_lock *lock); 608 extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, 609 struct nfsd4_compound_state *, 610 struct nfsd4_lockt *lockt); 611 extern __be32 nfsd4_locku(struct svc_rqst *rqstp, 612 struct nfsd4_compound_state *, 613 struct nfsd4_locku *locku); 614 extern __be32 615 nfsd4_release_lockowner(struct svc_rqst *rqstp, 616 struct nfsd4_compound_state *, 617 struct nfsd4_release_lockowner *rlockowner); 618 extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp); 619 extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, 620 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); 621 extern __be32 nfsd4_renew(struct svc_rqst *rqstp, 622 struct nfsd4_compound_state *, clientid_t *clid); 623 extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp, 624 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid); 625 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp, 626 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid); 627 extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr); 628 #endif 629 630 /* 631 * Local variables: 632 * c-basic-offset: 8 633 * End: 634 */ 635