xref: /openbmc/linux/fs/nfsd/xdr4.h (revision c4ee0af3)
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 	__be32			*datap;
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	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 #define op_iattr	iattr
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 	__be32 *		buffer;
292 	int			buflen;
293 	__be32 *		offset;
294 };
295 
296 struct nfsd4_release_lockowner {
297 	clientid_t        rl_clientid;
298 	struct xdr_netobj rl_owner;
299 };
300 struct nfsd4_readlink {
301 	struct svc_rqst *rl_rqstp;          /* request */
302 	struct svc_fh *	rl_fhp;             /* request */
303 };
304 
305 struct nfsd4_remove {
306 	u32		rm_namelen;         /* request */
307 	char *		rm_name;            /* request */
308 	struct nfsd4_change_info  rm_cinfo; /* response */
309 };
310 
311 struct nfsd4_rename {
312 	u32		rn_snamelen;        /* request */
313 	char *		rn_sname;           /* request */
314 	u32		rn_tnamelen;        /* request */
315 	char *		rn_tname;           /* request */
316 	struct nfsd4_change_info  rn_sinfo; /* response */
317 	struct nfsd4_change_info  rn_tinfo; /* response */
318 };
319 
320 struct nfsd4_secinfo {
321 	u32 si_namelen;					/* request */
322 	char *si_name;					/* request */
323 	struct svc_export *si_exp;			/* response */
324 };
325 
326 struct nfsd4_secinfo_no_name {
327 	u32 sin_style;					/* request */
328 	struct svc_export *sin_exp;			/* response */
329 };
330 
331 struct nfsd4_setattr {
332 	stateid_t	sa_stateid;         /* request */
333 	u32		sa_bmval[3];        /* request */
334 	struct iattr	sa_iattr;           /* request */
335 	struct nfs4_acl *sa_acl;
336 	struct xdr_netobj sa_label;
337 };
338 
339 struct nfsd4_setclientid {
340 	nfs4_verifier	se_verf;            /* request */
341 	struct xdr_netobj se_name;
342 	u32		se_callback_prog;   /* request */
343 	u32		se_callback_netid_len;  /* request */
344 	char *		se_callback_netid_val;  /* request */
345 	u32		se_callback_addr_len;   /* request */
346 	char *		se_callback_addr_val;   /* request */
347 	u32		se_callback_ident;  /* request */
348 	clientid_t	se_clientid;        /* response */
349 	nfs4_verifier	se_confirm;         /* response */
350 };
351 
352 struct nfsd4_setclientid_confirm {
353 	clientid_t	sc_clientid;
354 	nfs4_verifier	sc_confirm;
355 };
356 
357 struct nfsd4_saved_compoundargs {
358 	__be32 *p;
359 	__be32 *end;
360 	int pagelen;
361 	struct page **pagelist;
362 };
363 
364 struct nfsd4_test_stateid_id {
365 	__be32			ts_id_status;
366 	stateid_t		ts_id_stateid;
367 	struct list_head	ts_id_list;
368 };
369 
370 struct nfsd4_test_stateid {
371 	u32		ts_num_ids;
372 	struct list_head ts_stateid_list;
373 };
374 
375 struct nfsd4_free_stateid {
376 	stateid_t	fr_stateid;         /* request */
377 	__be32		fr_status;          /* response */
378 };
379 
380 /* also used for NVERIFY */
381 struct nfsd4_verify {
382 	u32		ve_bmval[3];        /* request */
383 	u32		ve_attrlen;         /* request */
384 	char *		ve_attrval;         /* request */
385 };
386 
387 struct nfsd4_write {
388 	stateid_t	wr_stateid;         /* request */
389 	u64		wr_offset;          /* request */
390 	u32		wr_stable_how;      /* request */
391 	u32		wr_buflen;          /* request */
392 	struct kvec	wr_head;
393 	struct page **	wr_pagelist;        /* request */
394 
395 	u32		wr_bytes_written;   /* response */
396 	u32		wr_how_written;     /* response */
397 	nfs4_verifier	wr_verifier;        /* response */
398 };
399 
400 struct nfsd4_exchange_id {
401 	nfs4_verifier	verifier;
402 	struct xdr_netobj clname;
403 	u32		flags;
404 	clientid_t	clientid;
405 	u32		seqid;
406 	int		spa_how;
407 };
408 
409 struct nfsd4_sequence {
410 	struct nfs4_sessionid	sessionid;		/* request/response */
411 	u32			seqid;			/* request/response */
412 	u32			slotid;			/* request/response */
413 	u32			maxslots;		/* request/response */
414 	u32			cachethis;		/* request */
415 #if 0
416 	u32			target_maxslots;	/* response */
417 #endif /* not yet */
418 	u32			status_flags;		/* response */
419 };
420 
421 struct nfsd4_destroy_session {
422 	struct nfs4_sessionid	sessionid;
423 };
424 
425 struct nfsd4_destroy_clientid {
426 	clientid_t clientid;
427 };
428 
429 struct nfsd4_reclaim_complete {
430 	u32 rca_one_fs;
431 };
432 
433 struct nfsd4_op {
434 	int					opnum;
435 	__be32					status;
436 	union {
437 		struct nfsd4_access		access;
438 		struct nfsd4_close		close;
439 		struct nfsd4_commit		commit;
440 		struct nfsd4_create		create;
441 		struct nfsd4_delegreturn	delegreturn;
442 		struct nfsd4_getattr		getattr;
443 		struct svc_fh *			getfh;
444 		struct nfsd4_link		link;
445 		struct nfsd4_lock		lock;
446 		struct nfsd4_lockt		lockt;
447 		struct nfsd4_locku		locku;
448 		struct nfsd4_lookup		lookup;
449 		struct nfsd4_verify		nverify;
450 		struct nfsd4_open		open;
451 		struct nfsd4_open_confirm	open_confirm;
452 		struct nfsd4_open_downgrade	open_downgrade;
453 		struct nfsd4_putfh		putfh;
454 		struct nfsd4_read		read;
455 		struct nfsd4_readdir		readdir;
456 		struct nfsd4_readlink		readlink;
457 		struct nfsd4_remove		remove;
458 		struct nfsd4_rename		rename;
459 		clientid_t			renew;
460 		struct nfsd4_secinfo		secinfo;
461 		struct nfsd4_setattr		setattr;
462 		struct nfsd4_setclientid	setclientid;
463 		struct nfsd4_setclientid_confirm setclientid_confirm;
464 		struct nfsd4_verify		verify;
465 		struct nfsd4_write		write;
466 		struct nfsd4_release_lockowner	release_lockowner;
467 
468 		/* NFSv4.1 */
469 		struct nfsd4_exchange_id	exchange_id;
470 		struct nfsd4_backchannel_ctl	backchannel_ctl;
471 		struct nfsd4_bind_conn_to_session bind_conn_to_session;
472 		struct nfsd4_create_session	create_session;
473 		struct nfsd4_destroy_session	destroy_session;
474 		struct nfsd4_sequence		sequence;
475 		struct nfsd4_reclaim_complete	reclaim_complete;
476 		struct nfsd4_test_stateid	test_stateid;
477 		struct nfsd4_free_stateid	free_stateid;
478 	} u;
479 	struct nfs4_replay *			replay;
480 };
481 
482 bool nfsd4_cache_this_op(struct nfsd4_op *);
483 
484 struct nfsd4_compoundargs {
485 	/* scratch variables for XDR decode */
486 	__be32 *			p;
487 	__be32 *			end;
488 	struct page **			pagelist;
489 	int				pagelen;
490 	__be32				tmp[8];
491 	__be32 *			tmpp;
492 	struct tmpbuf {
493 		struct tmpbuf *next;
494 		void (*release)(const void *);
495 		void *buf;
496 	}				*to_free;
497 
498 	struct svc_rqst			*rqstp;
499 
500 	u32				taglen;
501 	char *				tag;
502 	u32				minorversion;
503 	u32				opcnt;
504 	struct nfsd4_op			*ops;
505 	struct nfsd4_op			iops[8];
506 	int				cachetype;
507 };
508 
509 struct nfsd4_compoundres {
510 	/* scratch variables for XDR encode */
511 	__be32 *			p;
512 	__be32 *			end;
513 	struct xdr_buf *		xbuf;
514 	struct svc_rqst *		rqstp;
515 
516 	u32				taglen;
517 	char *				tag;
518 	u32				opcnt;
519 	__be32 *			tagp; /* tag, opcount encode location */
520 	struct nfsd4_compound_state	cstate;
521 };
522 
523 static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp)
524 {
525 	struct nfsd4_compoundargs *args = resp->rqstp->rq_argp;
526 	return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE;
527 }
528 
529 static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp)
530 {
531 	return !(resp->cstate.slot->sl_flags & NFSD4_SLOT_CACHETHIS)
532 		|| nfsd4_is_solo_sequence(resp);
533 }
534 
535 static inline bool nfsd4_last_compound_op(struct svc_rqst *rqstp)
536 {
537 	struct nfsd4_compoundres *resp = rqstp->rq_resp;
538 	struct nfsd4_compoundargs *argp = rqstp->rq_argp;
539 
540 	return argp->opcnt == resp->opcnt;
541 }
542 
543 #define NFS4_SVC_XDRSIZE		sizeof(struct nfsd4_compoundargs)
544 
545 static inline void
546 set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp)
547 {
548 	BUG_ON(!fhp->fh_pre_saved);
549 	cinfo->atomic = fhp->fh_post_saved;
550 	cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode);
551 
552 	cinfo->before_change = fhp->fh_pre_change;
553 	cinfo->after_change = fhp->fh_post_change;
554 	cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec;
555 	cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec;
556 	cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec;
557 	cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec;
558 
559 }
560 
561 int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *);
562 int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *,
563 		struct nfsd4_compoundargs *);
564 int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *,
565 		struct nfsd4_compoundres *);
566 __be32 nfsd4_check_resp_size(struct nfsd4_compoundres *, u32);
567 void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *);
568 void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op);
569 __be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp,
570 		       struct dentry *dentry, __be32 **buffer, int countp,
571 		       u32 *bmval, struct svc_rqst *, int ignore_crossmnt);
572 extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp,
573 		struct nfsd4_compound_state *,
574 		struct nfsd4_setclientid *setclid);
575 extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp,
576 		struct nfsd4_compound_state *,
577 		struct nfsd4_setclientid_confirm *setclientid_confirm);
578 extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp);
579 extern __be32 nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp,
580 		struct nfsd4_sequence *seq);
581 extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp,
582 		struct nfsd4_compound_state *, struct nfsd4_exchange_id *);
583 extern __be32 nfsd4_backchannel_ctl(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_backchannel_ctl *);
584 extern __be32 nfsd4_bind_conn_to_session(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_bind_conn_to_session *);
585 extern __be32 nfsd4_create_session(struct svc_rqst *,
586 		struct nfsd4_compound_state *,
587 		struct nfsd4_create_session *);
588 extern __be32 nfsd4_sequence(struct svc_rqst *,
589 		struct nfsd4_compound_state *,
590 		struct nfsd4_sequence *);
591 extern __be32 nfsd4_destroy_session(struct svc_rqst *,
592 		struct nfsd4_compound_state *,
593 		struct nfsd4_destroy_session *);
594 extern __be32 nfsd4_destroy_clientid(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_destroy_clientid *);
595 __be32 nfsd4_reclaim_complete(struct svc_rqst *, struct nfsd4_compound_state *, struct nfsd4_reclaim_complete *);
596 extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *,
597 		struct nfsd4_open *open, struct nfsd_net *nn);
598 extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp,
599 		struct svc_fh *current_fh, struct nfsd4_open *open);
600 extern void nfsd4_cleanup_open_state(struct nfsd4_open *open, __be32 status);
601 extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp,
602 		struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc);
603 extern __be32 nfsd4_close(struct svc_rqst *rqstp,
604 		struct nfsd4_compound_state *,
605 		struct nfsd4_close *close);
606 extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp,
607 		struct nfsd4_compound_state *,
608 		struct nfsd4_open_downgrade *od);
609 extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *,
610 		struct nfsd4_lock *lock);
611 extern __be32 nfsd4_lockt(struct svc_rqst *rqstp,
612 		struct nfsd4_compound_state *,
613 		struct nfsd4_lockt *lockt);
614 extern __be32 nfsd4_locku(struct svc_rqst *rqstp,
615 		struct nfsd4_compound_state *,
616 		struct nfsd4_locku *locku);
617 extern __be32
618 nfsd4_release_lockowner(struct svc_rqst *rqstp,
619 		struct nfsd4_compound_state *,
620 		struct nfsd4_release_lockowner *rlockowner);
621 extern int nfsd4_release_compoundargs(void *rq, __be32 *p, void *resp);
622 extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp,
623 		struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr);
624 extern __be32 nfsd4_renew(struct svc_rqst *rqstp,
625 			  struct nfsd4_compound_state *, clientid_t *clid);
626 extern __be32 nfsd4_test_stateid(struct svc_rqst *rqstp,
627 		struct nfsd4_compound_state *, struct nfsd4_test_stateid *test_stateid);
628 extern __be32 nfsd4_free_stateid(struct svc_rqst *rqstp,
629 		struct nfsd4_compound_state *, struct nfsd4_free_stateid *free_stateid);
630 extern void nfsd4_bump_seqid(struct nfsd4_compound_state *, __be32 nfserr);
631 #endif
632 
633 /*
634  * Local variables:
635  *  c-basic-offset: 8
636  * End:
637  */
638