Merge branch 'for-3.10' of git://linux-nfs.org/~bfields/linux
[linux-3.10.git] / 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 #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
53 struct 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
70 static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs)
71 {
72         return cs->slot != NULL;
73 }
74
75 struct 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
86 struct nfsd4_access {
87         u32             ac_req_access;      /* request */
88         u32             ac_supported;       /* response */
89         u32             ac_resp_access;     /* response */
90 };
91
92 struct nfsd4_close {
93         u32             cl_seqid;           /* request */
94         stateid_t       cl_stateid;         /* request+response */
95 };
96
97 struct nfsd4_commit {
98         u64             co_offset;          /* request */
99         u32             co_count;           /* request */
100         nfs4_verifier   co_verf;            /* response */
101 };
102
103 struct 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
127 struct nfsd4_delegreturn {
128         stateid_t       dr_stateid;
129 };
130
131 struct nfsd4_getattr {
132         u32             ga_bmval[3];        /* request */
133         struct svc_fh   *ga_fhp;            /* response */
134 };
135
136 struct nfsd4_link {
137         u32             li_namelen;         /* request */
138         char *          li_name;            /* request */
139         struct nfsd4_change_info  li_cinfo; /* response */
140 };
141
142 struct 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
150 struct 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_resp_stateid u.ok.stateid
188 #define lk_denied       u.denied
189
190
191 struct nfsd4_lockt {
192         u32                             lt_type;
193         clientid_t                      lt_clientid;
194         struct xdr_netobj               lt_owner;
195         u64                             lt_offset;
196         u64                             lt_length;
197         struct nfsd4_lock_denied        lt_denied;
198 };
199
200  
201 struct nfsd4_locku {
202         u32             lu_type;
203         u32             lu_seqid;
204         stateid_t       lu_stateid;
205         u64             lu_offset;
206         u64             lu_length;
207 };
208
209
210 struct nfsd4_lookup {
211         u32             lo_len;             /* request */
212         char *          lo_name;            /* request */
213 };
214
215 struct nfsd4_putfh {
216         u32             pf_fhlen;           /* request */
217         char            *pf_fhval;          /* request */
218 };
219
220 struct nfsd4_open {
221         u32             op_claim_type;      /* request */
222         struct xdr_netobj op_fname;         /* request - everything but CLAIM_PREV */
223         u32             op_delegate_type;   /* request - CLAIM_PREV only */
224         stateid_t       op_delegate_stateid; /* request - response */
225         u32             op_why_no_deleg;    /* response - DELEG_NONE_EXT only */
226         u32             op_create;          /* request */
227         u32             op_createmode;      /* request */
228         u32             op_bmval[3];        /* request */
229         struct iattr    iattr;              /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */
230         nfs4_verifier   op_verf __attribute__((aligned(32)));
231                                             /* EXCLUSIVE4 */
232         clientid_t      op_clientid;        /* request */
233         struct xdr_netobj op_owner;           /* request */
234         u32             op_seqid;           /* request */
235         u32             op_share_access;    /* request */
236         u32             op_share_deny;      /* request */
237         u32             op_deleg_want;      /* request */
238         stateid_t       op_stateid;         /* response */
239         __be32          op_xdr_error;       /* see nfsd4_open_omfg() */
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
252 struct nfsd4_open_confirm {
253         stateid_t       oc_req_stateid          /* request */;
254         u32             oc_seqid                /* request */;
255         stateid_t       oc_resp_stateid         /* response */;
256 };
257
258 struct 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
267 struct 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
278 struct 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
293 struct nfsd4_release_lockowner {
294         clientid_t        rl_clientid;
295         struct xdr_netobj rl_owner;
296 };
297 struct nfsd4_readlink {
298         struct svc_rqst *rl_rqstp;          /* request */
299         struct svc_fh * rl_fhp;             /* request */
300 };
301
302 struct nfsd4_remove {
303         u32             rm_namelen;         /* request */
304         char *          rm_name;            /* request */
305         struct nfsd4_change_info  rm_cinfo; /* response */
306 };
307
308 struct 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
317 struct nfsd4_secinfo {
318         u32 si_namelen;                                 /* request */
319         char *si_name;                                  /* request */
320         struct svc_export *si_exp;                      /* response */
321 };
322
323 struct nfsd4_secinfo_no_name {
324         u32 sin_style;                                  /* request */
325         struct svc_export *sin_exp;                     /* response */
326 };
327
328 struct 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
335 struct 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
348 struct nfsd4_setclientid_confirm {
349         clientid_t      sc_clientid;
350         nfs4_verifier   sc_confirm;
351 };
352
353 struct nfsd4_saved_compoundargs {
354         __be32 *p;
355         __be32 *end;
356         int pagelen;
357         struct page **pagelist;
358 };
359
360 struct nfsd4_test_stateid_id {
361         __be32                  ts_id_status;
362         stateid_t               ts_id_stateid;
363         struct list_head        ts_id_list;
364 };
365
366 struct nfsd4_test_stateid {
367         u32             ts_num_ids;
368         struct list_head ts_stateid_list;
369 };
370
371 struct nfsd4_free_stateid {
372         stateid_t       fr_stateid;         /* request */
373         __be32          fr_status;          /* response */
374 };
375
376 /* also used for NVERIFY */
377 struct nfsd4_verify {
378         u32             ve_bmval[3];        /* request */
379         u32             ve_attrlen;         /* request */
380         char *          ve_attrval;         /* request */
381 };
382
383 struct 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         struct kvec     wr_head;
389         struct page **  wr_pagelist;        /* request */
390
391         u32             wr_bytes_written;   /* response */
392         u32             wr_how_written;     /* response */
393         nfs4_verifier   wr_verifier;        /* response */
394 };
395
396 struct nfsd4_exchange_id {
397         nfs4_verifier   verifier;
398         struct xdr_netobj clname;
399         u32             flags;
400         clientid_t      clientid;
401         u32             seqid;
402         int             spa_how;
403 };
404
405 struct nfsd4_sequence {
406         struct nfs4_sessionid   sessionid;              /* request/response */
407         u32                     seqid;                  /* request/response */
408         u32                     slotid;                 /* request/response */
409         u32                     maxslots;               /* request/response */
410         u32                     cachethis;              /* request */
411 #if 0
412         u32                     target_maxslots;        /* response */
413 #endif /* not yet */
414         u32                     status_flags;           /* response */
415 };
416
417 struct nfsd4_destroy_session {
418         struct nfs4_sessionid   sessionid;
419 };
420
421 struct nfsd4_destroy_clientid {
422         clientid_t clientid;
423 };
424
425 struct nfsd4_reclaim_complete {
426         u32 rca_one_fs;
427 };
428
429 struct nfsd4_op {
430         int                                     opnum;
431         __be32                                  status;
432         union {
433                 struct nfsd4_access             access;
434                 struct nfsd4_close              close;
435                 struct nfsd4_commit             commit;
436                 struct nfsd4_create             create;
437                 struct nfsd4_delegreturn        delegreturn;
438                 struct nfsd4_getattr            getattr;
439                 struct svc_fh *                 getfh;
440                 struct nfsd4_link               link;
441                 struct nfsd4_lock               lock;
442                 struct nfsd4_lockt              lockt;
443                 struct nfsd4_locku              locku;
444                 struct nfsd4_lookup             lookup;
445                 struct nfsd4_verify             nverify;
446                 struct nfsd4_open               open;
447                 struct nfsd4_open_confirm       open_confirm;
448                 struct nfsd4_open_downgrade     open_downgrade;
449                 struct nfsd4_putfh              putfh;
450                 struct nfsd4_read               read;
451                 struct nfsd4_readdir            readdir;
452                 struct nfsd4_readlink           readlink;
453                 struct nfsd4_remove             remove;
454                 struct nfsd4_rename             rename;
455                 clientid_t                      renew;
456                 struct nfsd4_secinfo            secinfo;
457                 struct nfsd4_setattr            setattr;
458                 struct nfsd4_setclientid        setclientid;
459                 struct nfsd4_setclientid_confirm setclientid_confirm;
460                 struct nfsd4_verify             verify;
461                 struct nfsd4_write              write;
462                 struct nfsd4_release_lockowner  release_lockowner;
463
464                 /* NFSv4.1 */
465                 struct nfsd4_exchange_id        exchange_id;
466                 struct nfsd4_backchannel_ctl    backchannel_ctl;
467                 struct nfsd4_bind_conn_to_session bind_conn_to_session;
468                 struct nfsd4_create_session     create_session;
469                 struct nfsd4_destroy_session    destroy_session;
470                 struct nfsd4_sequence           sequence;
471                 struct nfsd4_reclaim_complete   reclaim_complete;
472                 struct nfsd4_test_stateid       test_stateid;
473                 struct nfsd4_free_stateid       free_stateid;
474         } u;
475         struct nfs4_replay *                    replay;
476 };
477
478 bool nfsd4_cache_this_op(struct nfsd4_op *);
479
480 struct nfsd4_compoundargs {
481         /* scratch variables for XDR decode */
482         __be32 *                        p;
483         __be32 *                        end;
484         struct page **                  pagelist;
485         int                             pagelen;
486         __be32                          tmp[8];
487         __be32 *                        tmpp;
488         struct tmpbuf {
489                 struct tmpbuf *next;
490                 void (*release)(const void *);
491                 void *buf;
492         }                               *to_free;
493
494         struct svc_rqst                 *rqstp;
495
496         u32                             taglen;
497         char *                          tag;
498         u32                             minorversion;
499         u32                             opcnt;
500         struct nfsd4_op                 *ops;
501         struct nfsd4_op                 iops[8];
502         int                             cachetype;
503 };
504
505 struct nfsd4_compoundres {
506         /* scratch variables for XDR encode */
507         __be32 *                        p;
508         __be32 *                        end;
509         struct xdr_buf *                xbuf;
510         struct svc_rqst *               rqstp;
511
512         u32                             taglen;
513         char *                          tag;
514         u32                             opcnt;
515         __be32 *                        tagp; /* tag, opcount encode location */
516         struct nfsd4_compound_state     cstate;
517 };
518
519 static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
520 {
521         struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
522         return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
523 }
524
525 static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
526 {
527         return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
528                 || nfsd4_is_solo_sequence(resp);
529 }
530
531 static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
532 {
533         struct nfsd4_compoundres *resp = rqstp->rq_resp;
534         struct nfsd4_compoundargs *argp = rqstp->rq_argp;
535
536         return argp->opcnt == resp->opcnt;
537 }
538
539 #define NFS4_SVC_XDRSIZE                sizeof(struct nfsd4_compoundargs)
540
541 static inline void
542 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
543 {
544         BUG_ON(!fhp->fh_pre_saved);
545         cinfo->atomic = fhp->fh_post_saved;
546         cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
547
548         cinfo->before_change = fhp->fh_pre_change;
549         cinfo->after_change = fhp->fh_post_change;
550         cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
551         cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
552         cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
553         cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
554
555 }
556
557 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
558 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
559                 struct nfsd4_compoundargs *);
560 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
561                 struct nfsd4_compoundres *);
562 __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
563 void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
564 void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
565 __be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
566                        struct dentry *dentry, __be32 **buffer, int countp,
567                        u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
568 extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
569                 struct nfsd4_compound_state *,
570                 struct nfsd4_setclientid *setclid);
571 extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
572                 struct nfsd4_compound_state *,
573                 struct nfsd4_setclientid_confirm *setclientid_confirm);
574 extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp);
575 extern __be32 nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp,
576                 struct nfsd4_sequence *seq);
577 extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
578                 struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
579 extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
580 extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
581 extern __be32 nfsd4_create_session(struct svc_rqst *,
582                 struct nfsd4_compound_state *,
583                 struct nfsd4_create_session *);
584 extern __be32 nfsd4_sequence(struct svc_rqst *,
585                 struct nfsd4_compound_state *,
586                 struct nfsd4_sequence *);
587 extern __be32 nfsd4_destroy_session(struct svc_rqst *,
588                 struct nfsd4_compound_state *,
589                 struct nfsd4_destroy_session *);
590 extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
591 __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
592 extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
593                 struct nfsd4_open *open, struct nfsd_net *nn);
594 extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
595                 struct svc_fh *current_fh, struct nfsd4_open *open);
596 extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status);
597 extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
598                 struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
599 extern __be32 nfsd4_close(struct svc_rqst *rqstp,
600                 struct nfsd4_compound_state *,
601                 struct nfsd4_close *close);
602 extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
603                 struct nfsd4_compound_state *,
604                 struct nfsd4_open_downgrade *od);
605 extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
606                 struct nfsd4_lock *lock);
607 extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
608                 struct nfsd4_compound_state *,
609                 struct nfsd4_lockt *lockt);
610 extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
611                 struct nfsd4_compound_state *,
612                 struct nfsd4_locku *locku);
613 extern __be32
614 nfsd4_release_lockowner(struct svc_rqst *rqstp,
615                 struct nfsd4_compound_state *,
616                 struct nfsd4_release_lockowner *rlockowner);
617 extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
618 extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
619                 struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
620 extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
621                           struct nfsd4_compound_state *, clientid_t *clid);
622 extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
623                 struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
624 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
625                 struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
626 extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
627 #endif
628
629 /*
630  * Local variables:
631  *  c-basic-offset: 8
632  * End:
633  */