nfs_xdr.h revision 788e7a89a03e364855583c0ab4649b94925efbb9 
1#ifndef _LINUX_NFS_XDR_H
2#define _LINUX_NFS_XDR_H
3
4#include <linux/sunrpc/xprt.h>
5#include <linux/nfsacl.h>
6
7/*
8 * To change the maximum rsize and wsize supported by the NFS client, adjust
9 * NFS_MAX_FILE_IO_SIZE.  64KB is a typical maximum, but some servers can
10 * support a megabyte or more.  The default is left at 4096 bytes, which is
11 * reasonable for NFS over UDP.
12 */
13#define NFS_MAX_FILE_IO_SIZE	(1048576U)
14#define NFS_DEF_FILE_IO_SIZE	(4096U)
15#define NFS_MIN_FILE_IO_SIZE	(1024U)
16
17struct nfs4_fsid {
18	__u64 major;
19	__u64 minor;
20};
21
22struct nfs_fattr {
23	unsigned short		valid;		/* which fields are valid */
24	__u64			pre_size;	/* pre_op_attr.size	  */
25	struct timespec		pre_mtime;	/* pre_op_attr.mtime	  */
26	struct timespec		pre_ctime;	/* pre_op_attr.ctime	  */
27	enum nfs_ftype		type;		/* always use NFSv2 types */
28	__u32			mode;
29	__u32			nlink;
30	__u32			uid;
31	__u32			gid;
32	__u64			size;
33	union {
34		struct {
35			__u32	blocksize;
36			__u32	blocks;
37		} nfs2;
38		struct {
39			__u64	used;
40		} nfs3;
41	} du;
42	dev_t			rdev;
43	union {
44		__u64		nfs3;		/* also nfs2 */
45		struct nfs4_fsid nfs4;
46	} fsid_u;
47	__u64			fileid;
48	struct timespec		atime;
49	struct timespec		mtime;
50	struct timespec		ctime;
51	__u32			bitmap[2];	/* NFSv4 returned attribute bitmap */
52	__u64			change_attr;	/* NFSv4 change attribute */
53	__u64			pre_change_attr;/* pre-op NFSv4 change attribute */
54	unsigned long		time_start;
55};
56
57#define NFS_ATTR_WCC		0x0001		/* pre-op WCC data    */
58#define NFS_ATTR_FATTR		0x0002		/* post-op attributes */
59#define NFS_ATTR_FATTR_V3	0x0004		/* NFSv3 attributes */
60#define NFS_ATTR_FATTR_V4	0x0008
61#define NFS_ATTR_PRE_CHANGE	0x0010
62
63/*
64 * Info on the file system
65 */
66struct nfs_fsinfo {
67	struct nfs_fattr	*fattr; /* Post-op attributes */
68	__u32			rtmax;	/* max.  read transfer size */
69	__u32			rtpref;	/* pref. read transfer size */
70	__u32			rtmult;	/* reads should be multiple of this */
71	__u32			wtmax;	/* max.  write transfer size */
72	__u32			wtpref;	/* pref. write transfer size */
73	__u32			wtmult;	/* writes should be multiple of this */
74	__u32			dtpref;	/* pref. readdir transfer size */
75	__u64			maxfilesize;
76	__u32			lease_time; /* in seconds */
77};
78
79struct nfs_fsstat {
80	struct nfs_fattr	*fattr; /* Post-op attributes */
81	__u64			tbytes;	/* total size in bytes */
82	__u64			fbytes;	/* # of free bytes */
83	__u64			abytes;	/* # of bytes available to user */
84	__u64			tfiles;	/* # of files */
85	__u64			ffiles;	/* # of free files */
86	__u64			afiles;	/* # of files available to user */
87};
88
89struct nfs2_fsstat {
90	__u32			tsize;  /* Server transfer size */
91	__u32			bsize;  /* Filesystem block size */
92	__u32			blocks; /* No. of "bsize" blocks on filesystem */
93	__u32			bfree;  /* No. of free "bsize" blocks */
94	__u32			bavail; /* No. of available "bsize" blocks */
95};
96
97struct nfs_pathconf {
98	struct nfs_fattr	*fattr; /* Post-op attributes */
99	__u32			max_link; /* max # of hard links */
100	__u32			max_namelen; /* max name length */
101};
102
103struct nfs4_change_info {
104	u32			atomic;
105	u64			before;
106	u64			after;
107};
108
109struct nfs_seqid;
110/*
111 * Arguments to the open call.
112 */
113struct nfs_openargs {
114	const struct nfs_fh *	fh;
115	struct nfs_seqid *	seqid;
116	int			open_flags;
117	__u64                   clientid;
118	__u32                   id;
119	union {
120		struct iattr *  attrs;    /* UNCHECKED, GUARDED */
121		nfs4_verifier   verifier; /* EXCLUSIVE */
122		nfs4_stateid	delegation;		/* CLAIM_DELEGATE_CUR */
123		int		delegation_type;	/* CLAIM_PREVIOUS */
124	} u;
125	const struct qstr *	name;
126	const struct nfs_server *server;	 /* Needed for ID mapping */
127	const u32 *		bitmask;
128	__u32			claim;
129};
130
131struct nfs_openres {
132	nfs4_stateid            stateid;
133	struct nfs_fh           fh;
134	struct nfs4_change_info	cinfo;
135	__u32                   rflags;
136	struct nfs_fattr *      f_attr;
137	struct nfs_fattr *      dir_attr;
138	const struct nfs_server *server;
139	int			delegation_type;
140	nfs4_stateid		delegation;
141	__u32			do_recall;
142	__u64			maxsize;
143};
144
145/*
146 * Arguments to the open_confirm call.
147 */
148struct nfs_open_confirmargs {
149	const struct nfs_fh *	fh;
150	nfs4_stateid *		stateid;
151	struct nfs_seqid *	seqid;
152};
153
154struct nfs_open_confirmres {
155	nfs4_stateid            stateid;
156};
157
158/*
159 * Arguments to the close call.
160 */
161struct nfs_closeargs {
162	struct nfs_fh *         fh;
163	nfs4_stateid *		stateid;
164	struct nfs_seqid *	seqid;
165	int			open_flags;
166	const u32 *		bitmask;
167};
168
169struct nfs_closeres {
170	nfs4_stateid            stateid;
171	struct nfs_fattr *	fattr;
172	const struct nfs_server *server;
173};
174/*
175 *  * Arguments to the lock,lockt, and locku call.
176 *   */
177struct nfs_lowner {
178	__u64			clientid;
179	u32			id;
180};
181
182struct nfs_lock_args {
183	struct nfs_fh *		fh;
184	struct file_lock *	fl;
185	struct nfs_seqid *	lock_seqid;
186	nfs4_stateid *		lock_stateid;
187	struct nfs_seqid *	open_seqid;
188	nfs4_stateid *		open_stateid;
189	struct nfs_lowner	lock_owner;
190	unsigned char		block : 1;
191	unsigned char		reclaim : 1;
192	unsigned char		new_lock_owner : 1;
193};
194
195struct nfs_lock_res {
196	nfs4_stateid			stateid;
197};
198
199struct nfs_locku_args {
200	struct nfs_fh *		fh;
201	struct file_lock *	fl;
202	struct nfs_seqid *	seqid;
203	nfs4_stateid *		stateid;
204};
205
206struct nfs_locku_res {
207	nfs4_stateid			stateid;
208};
209
210struct nfs_lockt_args {
211	struct nfs_fh *		fh;
212	struct file_lock *	fl;
213	struct nfs_lowner	lock_owner;
214};
215
216struct nfs_lockt_res {
217	struct file_lock *	denied; /* LOCK, LOCKT failed */
218};
219
220struct nfs4_delegreturnargs {
221	const struct nfs_fh *fhandle;
222	const nfs4_stateid *stateid;
223	const u32 * bitmask;
224};
225
226struct nfs4_delegreturnres {
227	struct nfs_fattr * fattr;
228	const struct nfs_server *server;
229};
230
231/*
232 * Arguments to the read call.
233 */
234struct nfs_readargs {
235	struct nfs_fh *		fh;
236	struct nfs_open_context *context;
237	__u64			offset;
238	__u32			count;
239	unsigned int		pgbase;
240	struct page **		pages;
241};
242
243struct nfs_readres {
244	struct nfs_fattr *	fattr;
245	__u32			count;
246	int                     eof;
247};
248
249/*
250 * Arguments to the write call.
251 */
252struct nfs_writeargs {
253	struct nfs_fh *		fh;
254	struct nfs_open_context *context;
255	__u64			offset;
256	__u32			count;
257	enum nfs3_stable_how	stable;
258	unsigned int		pgbase;
259	struct page **		pages;
260	const u32 *		bitmask;
261};
262
263struct nfs_writeverf {
264	enum nfs3_stable_how	committed;
265	__u32			verifier[2];
266};
267
268struct nfs_writeres {
269	struct nfs_fattr *	fattr;
270	struct nfs_writeverf *	verf;
271	__u32			count;
272	const struct nfs_server *server;
273};
274
275/*
276 * Argument struct for decode_entry function
277 */
278struct nfs_entry {
279	__u64			ino;
280	__u64			cookie,
281				prev_cookie;
282	const char *		name;
283	unsigned int		len;
284	int			eof;
285	struct nfs_fh *		fh;
286	struct nfs_fattr *	fattr;
287};
288
289/*
290 * The following types are for NFSv2 only.
291 */
292struct nfs_sattrargs {
293	struct nfs_fh *		fh;
294	struct iattr *		sattr;
295};
296
297struct nfs_diropargs {
298	struct nfs_fh *		fh;
299	const char *		name;
300	unsigned int		len;
301};
302
303struct nfs_createargs {
304	struct nfs_fh *		fh;
305	const char *		name;
306	unsigned int		len;
307	struct iattr *		sattr;
308};
309
310struct nfs_renameargs {
311	struct nfs_fh *		fromfh;
312	const char *		fromname;
313	unsigned int		fromlen;
314	struct nfs_fh *		tofh;
315	const char *		toname;
316	unsigned int		tolen;
317};
318
319struct nfs_setattrargs {
320	struct nfs_fh *                 fh;
321	nfs4_stateid                    stateid;
322	struct iattr *                  iap;
323	const struct nfs_server *	server; /* Needed for name mapping */
324	const u32 *			bitmask;
325};
326
327struct nfs_setaclargs {
328	struct nfs_fh *			fh;
329	size_t				acl_len;
330	unsigned int			acl_pgbase;
331	struct page **			acl_pages;
332};
333
334struct nfs_getaclargs {
335	struct nfs_fh *			fh;
336	size_t				acl_len;
337	unsigned int			acl_pgbase;
338	struct page **			acl_pages;
339};
340
341struct nfs_setattrres {
342	struct nfs_fattr *              fattr;
343	const struct nfs_server *	server;
344};
345
346struct nfs_linkargs {
347	struct nfs_fh *		fromfh;
348	struct nfs_fh *		tofh;
349	const char *		toname;
350	unsigned int		tolen;
351};
352
353struct nfs_symlinkargs {
354	struct nfs_fh *		fromfh;
355	const char *		fromname;
356	unsigned int		fromlen;
357	const char *		topath;
358	unsigned int		tolen;
359	struct iattr *		sattr;
360};
361
362struct nfs_readdirargs {
363	struct nfs_fh *		fh;
364	__u32			cookie;
365	unsigned int		count;
366	struct page **		pages;
367};
368
369struct nfs3_getaclargs {
370	struct nfs_fh *		fh;
371	int			mask;
372	struct page **		pages;
373};
374
375struct nfs3_setaclargs {
376	struct inode *		inode;
377	int			mask;
378	struct posix_acl *	acl_access;
379	struct posix_acl *	acl_default;
380	struct page **		pages;
381};
382
383struct nfs_diropok {
384	struct nfs_fh *		fh;
385	struct nfs_fattr *	fattr;
386};
387
388struct nfs_readlinkargs {
389	struct nfs_fh *		fh;
390	unsigned int		pgbase;
391	unsigned int		pglen;
392	struct page **		pages;
393};
394
395struct nfs3_sattrargs {
396	struct nfs_fh *		fh;
397	struct iattr *		sattr;
398	unsigned int		guard;
399	struct timespec		guardtime;
400};
401
402struct nfs3_diropargs {
403	struct nfs_fh *		fh;
404	const char *		name;
405	unsigned int		len;
406};
407
408struct nfs3_accessargs {
409	struct nfs_fh *		fh;
410	__u32			access;
411};
412
413struct nfs3_createargs {
414	struct nfs_fh *		fh;
415	const char *		name;
416	unsigned int		len;
417	struct iattr *		sattr;
418	enum nfs3_createmode	createmode;
419	__u32			verifier[2];
420};
421
422struct nfs3_mkdirargs {
423	struct nfs_fh *		fh;
424	const char *		name;
425	unsigned int		len;
426	struct iattr *		sattr;
427};
428
429struct nfs3_symlinkargs {
430	struct nfs_fh *		fromfh;
431	const char *		fromname;
432	unsigned int		fromlen;
433	const char *		topath;
434	unsigned int		tolen;
435	struct iattr *		sattr;
436};
437
438struct nfs3_mknodargs {
439	struct nfs_fh *		fh;
440	const char *		name;
441	unsigned int		len;
442	enum nfs3_ftype		type;
443	struct iattr *		sattr;
444	dev_t			rdev;
445};
446
447struct nfs3_renameargs {
448	struct nfs_fh *		fromfh;
449	const char *		fromname;
450	unsigned int		fromlen;
451	struct nfs_fh *		tofh;
452	const char *		toname;
453	unsigned int		tolen;
454};
455
456struct nfs3_linkargs {
457	struct nfs_fh *		fromfh;
458	struct nfs_fh *		tofh;
459	const char *		toname;
460	unsigned int		tolen;
461};
462
463struct nfs3_readdirargs {
464	struct nfs_fh *		fh;
465	__u64			cookie;
466	__u32			verf[2];
467	int			plus;
468	unsigned int            count;
469	struct page **		pages;
470};
471
472struct nfs3_diropres {
473	struct nfs_fattr *	dir_attr;
474	struct nfs_fh *		fh;
475	struct nfs_fattr *	fattr;
476};
477
478struct nfs3_accessres {
479	struct nfs_fattr *	fattr;
480	__u32			access;
481};
482
483struct nfs3_readlinkargs {
484	struct nfs_fh *		fh;
485	unsigned int		pgbase;
486	unsigned int		pglen;
487	struct page **		pages;
488};
489
490struct nfs3_renameres {
491	struct nfs_fattr *	fromattr;
492	struct nfs_fattr *	toattr;
493};
494
495struct nfs3_linkres {
496	struct nfs_fattr *	dir_attr;
497	struct nfs_fattr *	fattr;
498};
499
500struct nfs3_readdirres {
501	struct nfs_fattr *	dir_attr;
502	__u32 *			verf;
503	int			plus;
504};
505
506struct nfs3_getaclres {
507	struct nfs_fattr *	fattr;
508	int			mask;
509	unsigned int		acl_access_count;
510	unsigned int		acl_default_count;
511	struct posix_acl *	acl_access;
512	struct posix_acl *	acl_default;
513};
514
515#ifdef CONFIG_NFS_V4
516
517typedef u64 clientid4;
518
519struct nfs4_accessargs {
520	const struct nfs_fh *		fh;
521	u32				access;
522};
523
524struct nfs4_accessres {
525	u32				supported;
526	u32				access;
527};
528
529struct nfs4_create_arg {
530	u32				ftype;
531	union {
532		struct qstr *		symlink;    /* NF4LNK */
533		struct {
534			u32		specdata1;
535			u32		specdata2;
536		} device;    /* NF4BLK, NF4CHR */
537	} u;
538	const struct qstr *		name;
539	const struct nfs_server *	server;
540	const struct iattr *		attrs;
541	const struct nfs_fh *		dir_fh;
542	const u32 *			bitmask;
543};
544
545struct nfs4_create_res {
546	const struct nfs_server *	server;
547	struct nfs_fh *			fh;
548	struct nfs_fattr *		fattr;
549	struct nfs4_change_info		dir_cinfo;
550	struct nfs_fattr *		dir_fattr;
551};
552
553struct nfs4_fsinfo_arg {
554	const struct nfs_fh *		fh;
555	const u32 *			bitmask;
556};
557
558struct nfs4_getattr_arg {
559	const struct nfs_fh *		fh;
560	const u32 *			bitmask;
561};
562
563struct nfs4_getattr_res {
564	const struct nfs_server *	server;
565	struct nfs_fattr *		fattr;
566};
567
568struct nfs4_link_arg {
569	const struct nfs_fh *		fh;
570	const struct nfs_fh *		dir_fh;
571	const struct qstr *		name;
572	const u32 *			bitmask;
573};
574
575struct nfs4_link_res {
576	const struct nfs_server *	server;
577	struct nfs_fattr *		fattr;
578	struct nfs4_change_info		cinfo;
579	struct nfs_fattr *		dir_attr;
580};
581
582
583struct nfs4_lookup_arg {
584	const struct nfs_fh *		dir_fh;
585	const struct qstr *		name;
586	const u32 *			bitmask;
587};
588
589struct nfs4_lookup_res {
590	const struct nfs_server *	server;
591	struct nfs_fattr *		fattr;
592	struct nfs_fh *			fh;
593};
594
595struct nfs4_lookup_root_arg {
596	const u32 *			bitmask;
597};
598
599struct nfs4_pathconf_arg {
600	const struct nfs_fh *		fh;
601	const u32 *			bitmask;
602};
603
604struct nfs4_readdir_arg {
605	const struct nfs_fh *		fh;
606	u64				cookie;
607	nfs4_verifier			verifier;
608	u32				count;
609	struct page **			pages;	/* zero-copy data */
610	unsigned int			pgbase;	/* zero-copy data */
611	const u32 *			bitmask;
612};
613
614struct nfs4_readdir_res {
615	nfs4_verifier			verifier;
616	unsigned int			pgbase;
617};
618
619struct nfs4_readlink {
620	const struct nfs_fh *		fh;
621	unsigned int			pgbase;
622	unsigned int			pglen;   /* zero-copy data */
623	struct page **			pages;   /* zero-copy data */
624};
625
626struct nfs4_remove_arg {
627	const struct nfs_fh *		fh;
628	const struct qstr *		name;
629	const u32 *			bitmask;
630};
631
632struct nfs4_remove_res {
633	const struct nfs_server *	server;
634	struct nfs4_change_info		cinfo;
635	struct nfs_fattr *		dir_attr;
636};
637
638struct nfs4_rename_arg {
639	const struct nfs_fh *		old_dir;
640	const struct nfs_fh *		new_dir;
641	const struct qstr *		old_name;
642	const struct qstr *		new_name;
643	const u32 *			bitmask;
644};
645
646struct nfs4_rename_res {
647	const struct nfs_server *	server;
648	struct nfs4_change_info		old_cinfo;
649	struct nfs_fattr *		old_fattr;
650	struct nfs4_change_info		new_cinfo;
651	struct nfs_fattr *		new_fattr;
652};
653
654struct nfs4_setclientid {
655	const nfs4_verifier *		sc_verifier;      /* request */
656	unsigned int			sc_name_len;
657	char				sc_name[32];	  /* request */
658	u32				sc_prog;          /* request */
659	unsigned int			sc_netid_len;
660	char				sc_netid[4];	  /* request */
661	unsigned int			sc_uaddr_len;
662	char				sc_uaddr[24];     /* request */
663	u32				sc_cb_ident;      /* request */
664};
665
666struct nfs4_statfs_arg {
667	const struct nfs_fh *		fh;
668	const u32 *			bitmask;
669};
670
671struct nfs4_server_caps_res {
672	u32				attr_bitmask[2];
673	u32				acl_bitmask;
674	u32				has_links;
675	u32				has_symlinks;
676};
677
678#endif /* CONFIG_NFS_V4 */
679
680struct nfs_page;
681
682#define NFS_PAGEVEC_SIZE	(8U)
683
684struct nfs_read_data {
685	int			flags;
686	struct rpc_task		task;
687	struct inode		*inode;
688	struct rpc_cred		*cred;
689	struct nfs_fattr	fattr;	/* fattr storage */
690	struct list_head	pages;	/* Coalesced read requests */
691	struct nfs_page		*req;	/* multi ops per nfs_page */
692	struct page		**pagevec;
693	struct nfs_readargs args;
694	struct nfs_readres  res;
695#ifdef CONFIG_NFS_V4
696	unsigned long		timestamp;	/* For lease renewal */
697#endif
698	void (*complete) (struct nfs_read_data *, int);
699	struct page		*page_array[NFS_PAGEVEC_SIZE + 1];
700};
701
702struct nfs_write_data {
703	int			flags;
704	struct rpc_task		task;
705	struct inode		*inode;
706	struct rpc_cred		*cred;
707	struct nfs_fattr	fattr;
708	struct nfs_writeverf	verf;
709	struct list_head	pages;		/* Coalesced requests we wish to flush */
710	struct nfs_page		*req;		/* multi ops per nfs_page */
711	struct page		**pagevec;
712	struct nfs_writeargs	args;		/* argument struct */
713	struct nfs_writeres	res;		/* result struct */
714#ifdef CONFIG_NFS_V4
715	unsigned long		timestamp;	/* For lease renewal */
716#endif
717	struct page		*page_array[NFS_PAGEVEC_SIZE + 1];
718};
719
720struct nfs_access_entry;
721
722/*
723 * RPC procedure vector for NFSv2/NFSv3 demuxing
724 */
725struct nfs_rpc_ops {
726	int	version;		/* Protocol version */
727	struct dentry_operations *dentry_ops;
728	struct inode_operations *dir_inode_ops;
729	struct inode_operations *file_inode_ops;
730
731	int	(*getroot) (struct nfs_server *, struct nfs_fh *,
732			    struct nfs_fsinfo *);
733	int	(*getattr) (struct nfs_server *, struct nfs_fh *,
734			    struct nfs_fattr *);
735	int	(*setattr) (struct dentry *, struct nfs_fattr *,
736			    struct iattr *);
737	int	(*lookup)  (struct inode *, struct qstr *,
738			    struct nfs_fh *, struct nfs_fattr *);
739	int	(*access)  (struct inode *, struct nfs_access_entry *);
740	int	(*readlink)(struct inode *, struct page *, unsigned int,
741			    unsigned int);
742	int	(*read)    (struct nfs_read_data *);
743	int	(*write)   (struct nfs_write_data *);
744	int	(*commit)  (struct nfs_write_data *);
745	int	(*create)  (struct inode *, struct dentry *,
746			    struct iattr *, int, struct nameidata *);
747	int	(*remove)  (struct inode *, struct qstr *);
748	int	(*unlink_setup)  (struct rpc_message *,
749			    struct dentry *, struct qstr *);
750	int	(*unlink_done) (struct dentry *, struct rpc_task *);
751	int	(*rename)  (struct inode *, struct qstr *,
752			    struct inode *, struct qstr *);
753	int	(*link)    (struct inode *, struct inode *, struct qstr *);
754	int	(*symlink) (struct inode *, struct qstr *, struct qstr *,
755			    struct iattr *, struct nfs_fh *,
756			    struct nfs_fattr *);
757	int	(*mkdir)   (struct inode *, struct dentry *, struct iattr *);
758	int	(*rmdir)   (struct inode *, struct qstr *);
759	int	(*readdir) (struct dentry *, struct rpc_cred *,
760			    u64, struct page *, unsigned int, int);
761	int	(*mknod)   (struct inode *, struct dentry *, struct iattr *,
762			    dev_t);
763	int	(*statfs)  (struct nfs_server *, struct nfs_fh *,
764			    struct nfs_fsstat *);
765	int	(*fsinfo)  (struct nfs_server *, struct nfs_fh *,
766			    struct nfs_fsinfo *);
767	int	(*pathconf) (struct nfs_server *, struct nfs_fh *,
768			     struct nfs_pathconf *);
769	u32 *	(*decode_dirent)(u32 *, struct nfs_entry *, int plus);
770	void	(*read_setup)   (struct nfs_read_data *);
771	void	(*write_setup)  (struct nfs_write_data *, int how);
772	int	(*write_done)  (struct rpc_task *, struct nfs_write_data *);
773	void	(*commit_setup) (struct nfs_write_data *, int how);
774	int	(*commit_done) (struct rpc_task *, struct nfs_write_data *);
775	int	(*file_open)   (struct inode *, struct file *);
776	int	(*file_release) (struct inode *, struct file *);
777	int	(*lock)(struct file *, int, struct file_lock *);
778	void	(*clear_acl_cache)(struct inode *);
779};
780
781/*
782 * 	NFS_CALL(getattr, inode, (fattr));
783 * into
784 *	NFS_PROTO(inode)->getattr(fattr);
785 */
786#define NFS_CALL(op, inode, args)	NFS_PROTO(inode)->op args
787
788/*
789 * Function vectors etc. for the NFS client
790 */
791extern struct nfs_rpc_ops	nfs_v2_clientops;
792extern struct nfs_rpc_ops	nfs_v3_clientops;
793extern struct nfs_rpc_ops	nfs_v4_clientops;
794extern struct rpc_version	nfs_version2;
795extern struct rpc_version	nfs_version3;
796extern struct rpc_version	nfs_version4;
797
798extern struct rpc_version	nfsacl_version3;
799extern struct rpc_program	nfsacl_program;
800
801#endif
802