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Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6.git] / include / linux / nfs_xdr.h
blob104b62f23ee025a51d730228e061ea49ce4513e0
1 #ifndef _LINUX_NFS_XDR_H
2 #define _LINUX_NFS_XDR_H
3
4 #include <linux/nfsacl.h>
5 #include <linux/sunrpc/gss_api.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
17 struct nfs4_string {
18 unsigned int len;
19 char *data;
20 };
21
22 struct nfs_fsid {
23 uint64_t major;
24 uint64_t minor;
25 };
26
27 /*
28 * Helper for checking equality between 2 fsids.
29 */
30 static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
31 {
32 return a->major == b->major && a->minor == b->minor;
33 }
34
35 struct nfs4_threshold {
36 __u32 bm;
37 __u32 l_type;
38 __u64 rd_sz;
39 __u64 wr_sz;
40 __u64 rd_io_sz;
41 __u64 wr_io_sz;
42 };
43
44 struct nfs_fattr {
45 unsigned int valid; /* which fields are valid */
46 umode_t mode;
47 __u32 nlink;
48 kuid_t uid;
49 kgid_t gid;
50 dev_t rdev;
51 __u64 size;
52 union {
53 struct {
54 __u32 blocksize;
55 __u32 blocks;
56 } nfs2;
57 struct {
58 __u64 used;
59 } nfs3;
60 } du;
61 struct nfs_fsid fsid;
62 __u64 fileid;
63 __u64 mounted_on_fileid;
64 struct timespec atime;
65 struct timespec mtime;
66 struct timespec ctime;
67 __u64 change_attr; /* NFSv4 change attribute */
68 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
69 __u64 pre_size; /* pre_op_attr.size */
70 struct timespec pre_mtime; /* pre_op_attr.mtime */
71 struct timespec pre_ctime; /* pre_op_attr.ctime */
72 unsigned long time_start;
73 unsigned long gencount;
74 struct nfs4_string *owner_name;
75 struct nfs4_string *group_name;
76 struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
77 };
78
79 #define NFS_ATTR_FATTR_TYPE (1U << 0)
80 #define NFS_ATTR_FATTR_MODE (1U << 1)
81 #define NFS_ATTR_FATTR_NLINK (1U << 2)
82 #define NFS_ATTR_FATTR_OWNER (1U << 3)
83 #define NFS_ATTR_FATTR_GROUP (1U << 4)
84 #define NFS_ATTR_FATTR_RDEV (1U << 5)
85 #define NFS_ATTR_FATTR_SIZE (1U << 6)
86 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
87 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
88 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
89 #define NFS_ATTR_FATTR_FSID (1U << 10)
90 #define NFS_ATTR_FATTR_FILEID (1U << 11)
91 #define NFS_ATTR_FATTR_ATIME (1U << 12)
92 #define NFS_ATTR_FATTR_MTIME (1U << 13)
93 #define NFS_ATTR_FATTR_CTIME (1U << 14)
94 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
95 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
96 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
97 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
98 #define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
99 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
100 #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
101 #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
102 #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
103 #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
104
105 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
106 | NFS_ATTR_FATTR_MODE \
107 | NFS_ATTR_FATTR_NLINK \
108 | NFS_ATTR_FATTR_OWNER \
109 | NFS_ATTR_FATTR_GROUP \
110 | NFS_ATTR_FATTR_RDEV \
111 | NFS_ATTR_FATTR_SIZE \
112 | NFS_ATTR_FATTR_FSID \
113 | NFS_ATTR_FATTR_FILEID \
114 | NFS_ATTR_FATTR_ATIME \
115 | NFS_ATTR_FATTR_MTIME \
116 | NFS_ATTR_FATTR_CTIME \
117 | NFS_ATTR_FATTR_CHANGE)
118 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
119 | NFS_ATTR_FATTR_BLOCKS_USED)
120 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
121 | NFS_ATTR_FATTR_SPACE_USED)
122 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
123 | NFS_ATTR_FATTR_SPACE_USED)
124
125 /*
126 * Info on the file system
127 */
128 struct nfs_fsinfo {
129 struct nfs_fattr *fattr; /* Post-op attributes */
130 __u32 rtmax; /* max. read transfer size */
131 __u32 rtpref; /* pref. read transfer size */
132 __u32 rtmult; /* reads should be multiple of this */
133 __u32 wtmax; /* max. write transfer size */
134 __u32 wtpref; /* pref. write transfer size */
135 __u32 wtmult; /* writes should be multiple of this */
136 __u32 dtpref; /* pref. readdir transfer size */
137 __u64 maxfilesize;
138 struct timespec time_delta; /* server time granularity */
139 __u32 lease_time; /* in seconds */
140 __u32 layouttype; /* supported pnfs layout driver */
141 __u32 blksize; /* preferred pnfs io block size */
142 };
143
144 struct nfs_fsstat {
145 struct nfs_fattr *fattr; /* Post-op attributes */
146 __u64 tbytes; /* total size in bytes */
147 __u64 fbytes; /* # of free bytes */
148 __u64 abytes; /* # of bytes available to user */
149 __u64 tfiles; /* # of files */
150 __u64 ffiles; /* # of free files */
151 __u64 afiles; /* # of files available to user */
152 };
153
154 struct nfs2_fsstat {
155 __u32 tsize; /* Server transfer size */
156 __u32 bsize; /* Filesystem block size */
157 __u32 blocks; /* No. of "bsize" blocks on filesystem */
158 __u32 bfree; /* No. of free "bsize" blocks */
159 __u32 bavail; /* No. of available "bsize" blocks */
160 };
161
162 struct nfs_pathconf {
163 struct nfs_fattr *fattr; /* Post-op attributes */
164 __u32 max_link; /* max # of hard links */
165 __u32 max_namelen; /* max name length */
166 };
167
168 struct nfs4_change_info {
169 u32 atomic;
170 u64 before;
171 u64 after;
172 };
173
174 struct nfs_seqid;
175
176 /* nfs41 sessions channel attributes */
177 struct nfs4_channel_attrs {
178 u32 max_rqst_sz;
179 u32 max_resp_sz;
180 u32 max_resp_sz_cached;
181 u32 max_ops;
182 u32 max_reqs;
183 };
184
185 struct nfs4_slot;
186 struct nfs4_sequence_args {
187 struct nfs4_slot *sa_slot;
188 u8 sa_cache_this : 1,
189 sa_privileged : 1;
190 };
191
192 struct nfs4_sequence_res {
193 struct nfs4_slot *sr_slot; /* slot used to send request */
194 unsigned long sr_timestamp;
195 int sr_status; /* sequence operation status */
196 u32 sr_status_flags;
197 u32 sr_highest_slotid;
198 u32 sr_target_highest_slotid;
199 };
200
201 struct nfs4_get_lease_time_args {
202 struct nfs4_sequence_args la_seq_args;
203 };
204
205 struct nfs4_get_lease_time_res {
206 struct nfs4_sequence_res lr_seq_res;
207 struct nfs_fsinfo *lr_fsinfo;
208 };
209
210 #define PNFS_LAYOUT_MAXSIZE 4096
211
212 struct nfs4_layoutdriver_data {
213 struct page **pages;
214 __u32 pglen;
215 __u32 len;
216 };
217
218 struct pnfs_layout_range {
219 u32 iomode;
220 u64 offset;
221 u64 length;
222 };
223
224 struct nfs4_layoutget_args {
225 struct nfs4_sequence_args seq_args;
226 __u32 type;
227 struct pnfs_layout_range range;
228 __u64 minlength;
229 __u32 maxcount;
230 struct inode *inode;
231 struct nfs_open_context *ctx;
232 nfs4_stateid stateid;
233 unsigned long timestamp;
234 struct nfs4_layoutdriver_data layout;
235 };
236
237 struct nfs4_layoutget_res {
238 struct nfs4_sequence_res seq_res;
239 __u32 return_on_close;
240 struct pnfs_layout_range range;
241 __u32 type;
242 nfs4_stateid stateid;
243 struct nfs4_layoutdriver_data *layoutp;
244 };
245
246 struct nfs4_layoutget {
247 struct nfs4_layoutget_args args;
248 struct nfs4_layoutget_res res;
249 gfp_t gfp_flags;
250 };
251
252 struct nfs4_getdevicelist_args {
253 struct nfs4_sequence_args seq_args;
254 const struct nfs_fh *fh;
255 u32 layoutclass;
256 };
257
258 struct nfs4_getdevicelist_res {
259 struct nfs4_sequence_res seq_res;
260 struct pnfs_devicelist *devlist;
261 };
262
263 struct nfs4_getdeviceinfo_args {
264 struct nfs4_sequence_args seq_args;
265 struct pnfs_device *pdev;
266 };
267
268 struct nfs4_getdeviceinfo_res {
269 struct nfs4_sequence_res seq_res;
270 struct pnfs_device *pdev;
271 };
272
273 struct nfs4_layoutcommit_args {
274 struct nfs4_sequence_args seq_args;
275 nfs4_stateid stateid;
276 __u64 lastbytewritten;
277 struct inode *inode;
278 const u32 *bitmask;
279 };
280
281 struct nfs4_layoutcommit_res {
282 struct nfs4_sequence_res seq_res;
283 struct nfs_fattr *fattr;
284 const struct nfs_server *server;
285 int status;
286 };
287
288 struct nfs4_layoutcommit_data {
289 struct rpc_task task;
290 struct nfs_fattr fattr;
291 struct list_head lseg_list;
292 struct rpc_cred *cred;
293 struct nfs4_layoutcommit_args args;
294 struct nfs4_layoutcommit_res res;
295 };
296
297 struct nfs4_layoutreturn_args {
298 struct nfs4_sequence_args seq_args;
299 struct pnfs_layout_hdr *layout;
300 struct inode *inode;
301 nfs4_stateid stateid;
302 __u32 layout_type;
303 };
304
305 struct nfs4_layoutreturn_res {
306 struct nfs4_sequence_res seq_res;
307 u32 lrs_present;
308 nfs4_stateid stateid;
309 };
310
311 struct nfs4_layoutreturn {
312 struct nfs4_layoutreturn_args args;
313 struct nfs4_layoutreturn_res res;
314 struct rpc_cred *cred;
315 struct nfs_client *clp;
316 int rpc_status;
317 };
318
319 struct stateowner_id {
320 __u64 create_time;
321 __u32 uniquifier;
322 };
323
324 /*
325 * Arguments to the open call.
326 */
327 struct nfs_openargs {
328 struct nfs4_sequence_args seq_args;
329 const struct nfs_fh * fh;
330 struct nfs_seqid * seqid;
331 int open_flags;
332 fmode_t fmode;
333 u32 access;
334 __u64 clientid;
335 struct stateowner_id id;
336 union {
337 struct {
338 struct iattr * attrs; /* UNCHECKED, GUARDED */
339 nfs4_verifier verifier; /* EXCLUSIVE */
340 };
341 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
342 fmode_t delegation_type; /* CLAIM_PREVIOUS */
343 } u;
344 const struct qstr * name;
345 const struct nfs_server *server; /* Needed for ID mapping */
346 const u32 * bitmask;
347 const u32 * open_bitmap;
348 __u32 claim;
349 enum createmode4 createmode;
350 };
351
352 struct nfs_openres {
353 struct nfs4_sequence_res seq_res;
354 nfs4_stateid stateid;
355 struct nfs_fh fh;
356 struct nfs4_change_info cinfo;
357 __u32 rflags;
358 struct nfs_fattr * f_attr;
359 struct nfs_seqid * seqid;
360 const struct nfs_server *server;
361 fmode_t delegation_type;
362 nfs4_stateid delegation;
363 __u32 do_recall;
364 __u64 maxsize;
365 __u32 attrset[NFS4_BITMAP_SIZE];
366 struct nfs4_string *owner;
367 struct nfs4_string *group_owner;
368 __u32 access_request;
369 __u32 access_supported;
370 __u32 access_result;
371 };
372
373 /*
374 * Arguments to the open_confirm call.
375 */
376 struct nfs_open_confirmargs {
377 const struct nfs_fh * fh;
378 nfs4_stateid * stateid;
379 struct nfs_seqid * seqid;
380 };
381
382 struct nfs_open_confirmres {
383 nfs4_stateid stateid;
384 struct nfs_seqid * seqid;
385 };
386
387 /*
388 * Arguments to the close call.
389 */
390 struct nfs_closeargs {
391 struct nfs4_sequence_args seq_args;
392 struct nfs_fh * fh;
393 nfs4_stateid * stateid;
394 struct nfs_seqid * seqid;
395 fmode_t fmode;
396 const u32 * bitmask;
397 };
398
399 struct nfs_closeres {
400 struct nfs4_sequence_res seq_res;
401 nfs4_stateid stateid;
402 struct nfs_fattr * fattr;
403 struct nfs_seqid * seqid;
404 const struct nfs_server *server;
405 };
406 /*
407 * * Arguments to the lock,lockt, and locku call.
408 * */
409 struct nfs_lowner {
410 __u64 clientid;
411 __u64 id;
412 dev_t s_dev;
413 };
414
415 struct nfs_lock_args {
416 struct nfs4_sequence_args seq_args;
417 struct nfs_fh * fh;
418 struct file_lock * fl;
419 struct nfs_seqid * lock_seqid;
420 nfs4_stateid * lock_stateid;
421 struct nfs_seqid * open_seqid;
422 nfs4_stateid * open_stateid;
423 struct nfs_lowner lock_owner;
424 unsigned char block : 1;
425 unsigned char reclaim : 1;
426 unsigned char new_lock_owner : 1;
427 };
428
429 struct nfs_lock_res {
430 struct nfs4_sequence_res seq_res;
431 nfs4_stateid stateid;
432 struct nfs_seqid * lock_seqid;
433 struct nfs_seqid * open_seqid;
434 };
435
436 struct nfs_locku_args {
437 struct nfs4_sequence_args seq_args;
438 struct nfs_fh * fh;
439 struct file_lock * fl;
440 struct nfs_seqid * seqid;
441 nfs4_stateid * stateid;
442 };
443
444 struct nfs_locku_res {
445 struct nfs4_sequence_res seq_res;
446 nfs4_stateid stateid;
447 struct nfs_seqid * seqid;
448 };
449
450 struct nfs_lockt_args {
451 struct nfs4_sequence_args seq_args;
452 struct nfs_fh * fh;
453 struct file_lock * fl;
454 struct nfs_lowner lock_owner;
455 };
456
457 struct nfs_lockt_res {
458 struct nfs4_sequence_res seq_res;
459 struct file_lock * denied; /* LOCK, LOCKT failed */
460 };
461
462 struct nfs_release_lockowner_args {
463 struct nfs_lowner lock_owner;
464 };
465
466 struct nfs4_delegreturnargs {
467 struct nfs4_sequence_args seq_args;
468 const struct nfs_fh *fhandle;
469 const nfs4_stateid *stateid;
470 const u32 * bitmask;
471 };
472
473 struct nfs4_delegreturnres {
474 struct nfs4_sequence_res seq_res;
475 struct nfs_fattr * fattr;
476 const struct nfs_server *server;
477 };
478
479 /*
480 * Arguments to the read call.
481 */
482 struct nfs_readargs {
483 struct nfs4_sequence_args seq_args;
484 struct nfs_fh * fh;
485 struct nfs_open_context *context;
486 struct nfs_lock_context *lock_context;
487 nfs4_stateid stateid;
488 __u64 offset;
489 __u32 count;
490 unsigned int pgbase;
491 struct page ** pages;
492 };
493
494 struct nfs_readres {
495 struct nfs4_sequence_res seq_res;
496 struct nfs_fattr * fattr;
497 __u32 count;
498 int eof;
499 };
500
501 /*
502 * Arguments to the write call.
503 */
504 struct nfs_writeargs {
505 struct nfs4_sequence_args seq_args;
506 struct nfs_fh * fh;
507 struct nfs_open_context *context;
508 struct nfs_lock_context *lock_context;
509 nfs4_stateid stateid;
510 __u64 offset;
511 __u32 count;
512 enum nfs3_stable_how stable;
513 unsigned int pgbase;
514 struct page ** pages;
515 const u32 * bitmask;
516 };
517
518 struct nfs_write_verifier {
519 char data[8];
520 };
521
522 struct nfs_writeverf {
523 struct nfs_write_verifier verifier;
524 enum nfs3_stable_how committed;
525 };
526
527 struct nfs_writeres {
528 struct nfs4_sequence_res seq_res;
529 struct nfs_fattr * fattr;
530 struct nfs_writeverf * verf;
531 __u32 count;
532 const struct nfs_server *server;
533 };
534
535 /*
536 * Arguments to the commit call.
537 */
538 struct nfs_commitargs {
539 struct nfs4_sequence_args seq_args;
540 struct nfs_fh *fh;
541 __u64 offset;
542 __u32 count;
543 const u32 *bitmask;
544 };
545
546 struct nfs_commitres {
547 struct nfs4_sequence_res seq_res;
548 struct nfs_fattr *fattr;
549 struct nfs_writeverf *verf;
550 const struct nfs_server *server;
551 };
552
553 /*
554 * Common arguments to the unlink call
555 */
556 struct nfs_removeargs {
557 struct nfs4_sequence_args seq_args;
558 const struct nfs_fh *fh;
559 struct qstr name;
560 };
561
562 struct nfs_removeres {
563 struct nfs4_sequence_res seq_res;
564 const struct nfs_server *server;
565 struct nfs_fattr *dir_attr;
566 struct nfs4_change_info cinfo;
567 };
568
569 /*
570 * Common arguments to the rename call
571 */
572 struct nfs_renameargs {
573 struct nfs4_sequence_args seq_args;
574 const struct nfs_fh *old_dir;
575 const struct nfs_fh *new_dir;
576 const struct qstr *old_name;
577 const struct qstr *new_name;
578 };
579
580 struct nfs_renameres {
581 struct nfs4_sequence_res seq_res;
582 const struct nfs_server *server;
583 struct nfs4_change_info old_cinfo;
584 struct nfs_fattr *old_fattr;
585 struct nfs4_change_info new_cinfo;
586 struct nfs_fattr *new_fattr;
587 };
588
589 /*
590 * Argument struct for decode_entry function
591 */
592 struct nfs_entry {
593 __u64 ino;
594 __u64 cookie,
595 prev_cookie;
596 const char * name;
597 unsigned int len;
598 int eof;
599 struct nfs_fh * fh;
600 struct nfs_fattr * fattr;
601 unsigned char d_type;
602 struct nfs_server * server;
603 };
604
605 /*
606 * The following types are for NFSv2 only.
607 */
608 struct nfs_sattrargs {
609 struct nfs_fh * fh;
610 struct iattr * sattr;
611 };
612
613 struct nfs_diropargs {
614 struct nfs_fh * fh;
615 const char * name;
616 unsigned int len;
617 };
618
619 struct nfs_createargs {
620 struct nfs_fh * fh;
621 const char * name;
622 unsigned int len;
623 struct iattr * sattr;
624 };
625
626 struct nfs_setattrargs {
627 struct nfs4_sequence_args seq_args;
628 struct nfs_fh * fh;
629 nfs4_stateid stateid;
630 struct iattr * iap;
631 const struct nfs_server * server; /* Needed for name mapping */
632 const u32 * bitmask;
633 };
634
635 struct nfs_setaclargs {
636 struct nfs4_sequence_args seq_args;
637 struct nfs_fh * fh;
638 size_t acl_len;
639 unsigned int acl_pgbase;
640 struct page ** acl_pages;
641 };
642
643 struct nfs_setaclres {
644 struct nfs4_sequence_res seq_res;
645 };
646
647 struct nfs_getaclargs {
648 struct nfs4_sequence_args seq_args;
649 struct nfs_fh * fh;
650 size_t acl_len;
651 unsigned int acl_pgbase;
652 struct page ** acl_pages;
653 };
654
655 /* getxattr ACL interface flags */
656 #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
657 struct nfs_getaclres {
658 struct nfs4_sequence_res seq_res;
659 size_t acl_len;
660 size_t acl_data_offset;
661 int acl_flags;
662 struct page * acl_scratch;
663 };
664
665 struct nfs_setattrres {
666 struct nfs4_sequence_res seq_res;
667 struct nfs_fattr * fattr;
668 const struct nfs_server * server;
669 };
670
671 struct nfs_linkargs {
672 struct nfs_fh * fromfh;
673 struct nfs_fh * tofh;
674 const char * toname;
675 unsigned int tolen;
676 };
677
678 struct nfs_symlinkargs {
679 struct nfs_fh * fromfh;
680 const char * fromname;
681 unsigned int fromlen;
682 struct page ** pages;
683 unsigned int pathlen;
684 struct iattr * sattr;
685 };
686
687 struct nfs_readdirargs {
688 struct nfs_fh * fh;
689 __u32 cookie;
690 unsigned int count;
691 struct page ** pages;
692 };
693
694 struct nfs3_getaclargs {
695 struct nfs_fh * fh;
696 int mask;
697 struct page ** pages;
698 };
699
700 struct nfs3_setaclargs {
701 struct inode * inode;
702 int mask;
703 struct posix_acl * acl_access;
704 struct posix_acl * acl_default;
705 size_t len;
706 unsigned int npages;
707 struct page ** pages;
708 };
709
710 struct nfs_diropok {
711 struct nfs_fh * fh;
712 struct nfs_fattr * fattr;
713 };
714
715 struct nfs_readlinkargs {
716 struct nfs_fh * fh;
717 unsigned int pgbase;
718 unsigned int pglen;
719 struct page ** pages;
720 };
721
722 struct nfs3_sattrargs {
723 struct nfs_fh * fh;
724 struct iattr * sattr;
725 unsigned int guard;
726 struct timespec guardtime;
727 };
728
729 struct nfs3_diropargs {
730 struct nfs_fh * fh;
731 const char * name;
732 unsigned int len;
733 };
734
735 struct nfs3_accessargs {
736 struct nfs_fh * fh;
737 __u32 access;
738 };
739
740 struct nfs3_createargs {
741 struct nfs_fh * fh;
742 const char * name;
743 unsigned int len;
744 struct iattr * sattr;
745 enum nfs3_createmode createmode;
746 __be32 verifier[2];
747 };
748
749 struct nfs3_mkdirargs {
750 struct nfs_fh * fh;
751 const char * name;
752 unsigned int len;
753 struct iattr * sattr;
754 };
755
756 struct nfs3_symlinkargs {
757 struct nfs_fh * fromfh;
758 const char * fromname;
759 unsigned int fromlen;
760 struct page ** pages;
761 unsigned int pathlen;
762 struct iattr * sattr;
763 };
764
765 struct nfs3_mknodargs {
766 struct nfs_fh * fh;
767 const char * name;
768 unsigned int len;
769 enum nfs3_ftype type;
770 struct iattr * sattr;
771 dev_t rdev;
772 };
773
774 struct nfs3_linkargs {
775 struct nfs_fh * fromfh;
776 struct nfs_fh * tofh;
777 const char * toname;
778 unsigned int tolen;
779 };
780
781 struct nfs3_readdirargs {
782 struct nfs_fh * fh;
783 __u64 cookie;
784 __be32 verf[2];
785 int plus;
786 unsigned int count;
787 struct page ** pages;
788 };
789
790 struct nfs3_diropres {
791 struct nfs_fattr * dir_attr;
792 struct nfs_fh * fh;
793 struct nfs_fattr * fattr;
794 };
795
796 struct nfs3_accessres {
797 struct nfs_fattr * fattr;
798 __u32 access;
799 };
800
801 struct nfs3_readlinkargs {
802 struct nfs_fh * fh;
803 unsigned int pgbase;
804 unsigned int pglen;
805 struct page ** pages;
806 };
807
808 struct nfs3_linkres {
809 struct nfs_fattr * dir_attr;
810 struct nfs_fattr * fattr;
811 };
812
813 struct nfs3_readdirres {
814 struct nfs_fattr * dir_attr;
815 __be32 * verf;
816 int plus;
817 };
818
819 struct nfs3_getaclres {
820 struct nfs_fattr * fattr;
821 int mask;
822 unsigned int acl_access_count;
823 unsigned int acl_default_count;
824 struct posix_acl * acl_access;
825 struct posix_acl * acl_default;
826 };
827
828 #if IS_ENABLED(CONFIG_NFS_V4)
829
830 typedef u64 clientid4;
831
832 struct nfs4_accessargs {
833 struct nfs4_sequence_args seq_args;
834 const struct nfs_fh * fh;
835 const u32 * bitmask;
836 u32 access;
837 };
838
839 struct nfs4_accessres {
840 struct nfs4_sequence_res seq_res;
841 const struct nfs_server * server;
842 struct nfs_fattr * fattr;
843 u32 supported;
844 u32 access;
845 };
846
847 struct nfs4_create_arg {
848 struct nfs4_sequence_args seq_args;
849 u32 ftype;
850 union {
851 struct {
852 struct page ** pages;
853 unsigned int len;
854 } symlink; /* NF4LNK */
855 struct {
856 u32 specdata1;
857 u32 specdata2;
858 } device; /* NF4BLK, NF4CHR */
859 } u;
860 const struct qstr * name;
861 const struct nfs_server * server;
862 const struct iattr * attrs;
863 const struct nfs_fh * dir_fh;
864 const u32 * bitmask;
865 };
866
867 struct nfs4_create_res {
868 struct nfs4_sequence_res seq_res;
869 const struct nfs_server * server;
870 struct nfs_fh * fh;
871 struct nfs_fattr * fattr;
872 struct nfs4_change_info dir_cinfo;
873 };
874
875 struct nfs4_fsinfo_arg {
876 struct nfs4_sequence_args seq_args;
877 const struct nfs_fh * fh;
878 const u32 * bitmask;
879 };
880
881 struct nfs4_fsinfo_res {
882 struct nfs4_sequence_res seq_res;
883 struct nfs_fsinfo *fsinfo;
884 };
885
886 struct nfs4_getattr_arg {
887 struct nfs4_sequence_args seq_args;
888 const struct nfs_fh * fh;
889 const u32 * bitmask;
890 };
891
892 struct nfs4_getattr_res {
893 struct nfs4_sequence_res seq_res;
894 const struct nfs_server * server;
895 struct nfs_fattr * fattr;
896 };
897
898 struct nfs4_link_arg {
899 struct nfs4_sequence_args seq_args;
900 const struct nfs_fh * fh;
901 const struct nfs_fh * dir_fh;
902 const struct qstr * name;
903 const u32 * bitmask;
904 };
905
906 struct nfs4_link_res {
907 struct nfs4_sequence_res seq_res;
908 const struct nfs_server * server;
909 struct nfs_fattr * fattr;
910 struct nfs4_change_info cinfo;
911 struct nfs_fattr * dir_attr;
912 };
913
914
915 struct nfs4_lookup_arg {
916 struct nfs4_sequence_args seq_args;
917 const struct nfs_fh * dir_fh;
918 const struct qstr * name;
919 const u32 * bitmask;
920 };
921
922 struct nfs4_lookup_res {
923 struct nfs4_sequence_res seq_res;
924 const struct nfs_server * server;
925 struct nfs_fattr * fattr;
926 struct nfs_fh * fh;
927 };
928
929 struct nfs4_lookup_root_arg {
930 struct nfs4_sequence_args seq_args;
931 const u32 * bitmask;
932 };
933
934 struct nfs4_pathconf_arg {
935 struct nfs4_sequence_args seq_args;
936 const struct nfs_fh * fh;
937 const u32 * bitmask;
938 };
939
940 struct nfs4_pathconf_res {
941 struct nfs4_sequence_res seq_res;
942 struct nfs_pathconf *pathconf;
943 };
944
945 struct nfs4_readdir_arg {
946 struct nfs4_sequence_args seq_args;
947 const struct nfs_fh * fh;
948 u64 cookie;
949 nfs4_verifier verifier;
950 u32 count;
951 struct page ** pages; /* zero-copy data */
952 unsigned int pgbase; /* zero-copy data */
953 const u32 * bitmask;
954 int plus;
955 };
956
957 struct nfs4_readdir_res {
958 struct nfs4_sequence_res seq_res;
959 nfs4_verifier verifier;
960 unsigned int pgbase;
961 };
962
963 struct nfs4_readlink {
964 struct nfs4_sequence_args seq_args;
965 const struct nfs_fh * fh;
966 unsigned int pgbase;
967 unsigned int pglen; /* zero-copy data */
968 struct page ** pages; /* zero-copy data */
969 };
970
971 struct nfs4_readlink_res {
972 struct nfs4_sequence_res seq_res;
973 };
974
975 #define NFS4_SETCLIENTID_NAMELEN (127)
976 struct nfs4_setclientid {
977 const nfs4_verifier * sc_verifier;
978 unsigned int sc_name_len;
979 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
980 u32 sc_prog;
981 unsigned int sc_netid_len;
982 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
983 unsigned int sc_uaddr_len;
984 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
985 u32 sc_cb_ident;
986 };
987
988 struct nfs4_setclientid_res {
989 u64 clientid;
990 nfs4_verifier confirm;
991 };
992
993 struct nfs4_statfs_arg {
994 struct nfs4_sequence_args seq_args;
995 const struct nfs_fh * fh;
996 const u32 * bitmask;
997 };
998
999 struct nfs4_statfs_res {
1000 struct nfs4_sequence_res seq_res;
1001 struct nfs_fsstat *fsstat;
1002 };
1003
1004 struct nfs4_server_caps_arg {
1005 struct nfs4_sequence_args seq_args;
1006 struct nfs_fh *fhandle;
1007 };
1008
1009 struct nfs4_server_caps_res {
1010 struct nfs4_sequence_res seq_res;
1011 u32 attr_bitmask[3];
1012 u32 acl_bitmask;
1013 u32 has_links;
1014 u32 has_symlinks;
1015 u32 fh_expire_type;
1016 };
1017
1018 #define NFS4_PATHNAME_MAXCOMPONENTS 512
1019 struct nfs4_pathname {
1020 unsigned int ncomponents;
1021 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1022 };
1023
1024 #define NFS4_FS_LOCATION_MAXSERVERS 10
1025 struct nfs4_fs_location {
1026 unsigned int nservers;
1027 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1028 struct nfs4_pathname rootpath;
1029 };
1030
1031 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
1032 struct nfs4_fs_locations {
1033 struct nfs_fattr fattr;
1034 const struct nfs_server *server;
1035 struct nfs4_pathname fs_path;
1036 int nlocations;
1037 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1038 };
1039
1040 struct nfs4_fs_locations_arg {
1041 struct nfs4_sequence_args seq_args;
1042 const struct nfs_fh *dir_fh;
1043 const struct qstr *name;
1044 struct page *page;
1045 const u32 *bitmask;
1046 };
1047
1048 struct nfs4_fs_locations_res {
1049 struct nfs4_sequence_res seq_res;
1050 struct nfs4_fs_locations *fs_locations;
1051 };
1052
1053 struct nfs4_secinfo4 {
1054 u32 flavor;
1055 struct rpcsec_gss_info flavor_info;
1056 };
1057
1058 struct nfs4_secinfo_flavors {
1059 unsigned int num_flavors;
1060 struct nfs4_secinfo4 flavors[0];
1061 };
1062
1063 struct nfs4_secinfo_arg {
1064 struct nfs4_sequence_args seq_args;
1065 const struct nfs_fh *dir_fh;
1066 const struct qstr *name;
1067 };
1068
1069 struct nfs4_secinfo_res {
1070 struct nfs4_sequence_res seq_res;
1071 struct nfs4_secinfo_flavors *flavors;
1072 };
1073
1074 #endif /* CONFIG_NFS_V4 */
1075
1076 struct nfstime4 {
1077 u64 seconds;
1078 u32 nseconds;
1079 };
1080
1081 #ifdef CONFIG_NFS_V4_1
1082
1083 struct pnfs_commit_bucket {
1084 struct list_head written;
1085 struct list_head committing;
1086 struct pnfs_layout_segment *wlseg;
1087 struct pnfs_layout_segment *clseg;
1088 };
1089
1090 struct pnfs_ds_commit_info {
1091 int nwritten;
1092 int ncommitting;
1093 int nbuckets;
1094 struct pnfs_commit_bucket *buckets;
1095 };
1096
1097 #define NFS4_EXCHANGE_ID_LEN (48)
1098 struct nfs41_exchange_id_args {
1099 struct nfs_client *client;
1100 nfs4_verifier *verifier;
1101 unsigned int id_len;
1102 char id[NFS4_EXCHANGE_ID_LEN];
1103 u32 flags;
1104 };
1105
1106 struct nfs41_server_owner {
1107 uint64_t minor_id;
1108 uint32_t major_id_sz;
1109 char major_id[NFS4_OPAQUE_LIMIT];
1110 };
1111
1112 struct nfs41_server_scope {
1113 uint32_t server_scope_sz;
1114 char server_scope[NFS4_OPAQUE_LIMIT];
1115 };
1116
1117 struct nfs41_impl_id {
1118 char domain[NFS4_OPAQUE_LIMIT + 1];
1119 char name[NFS4_OPAQUE_LIMIT + 1];
1120 struct nfstime4 date;
1121 };
1122
1123 struct nfs41_bind_conn_to_session_res {
1124 struct nfs4_session *session;
1125 u32 dir;
1126 bool use_conn_in_rdma_mode;
1127 };
1128
1129 struct nfs41_exchange_id_res {
1130 u64 clientid;
1131 u32 seqid;
1132 u32 flags;
1133 struct nfs41_server_owner *server_owner;
1134 struct nfs41_server_scope *server_scope;
1135 struct nfs41_impl_id *impl_id;
1136 };
1137
1138 struct nfs41_create_session_args {
1139 struct nfs_client *client;
1140 uint32_t flags;
1141 uint32_t cb_program;
1142 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1143 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1144 };
1145
1146 struct nfs41_create_session_res {
1147 struct nfs_client *client;
1148 };
1149
1150 struct nfs41_reclaim_complete_args {
1151 struct nfs4_sequence_args seq_args;
1152 /* In the future extend to include curr_fh for use with migration */
1153 unsigned char one_fs:1;
1154 };
1155
1156 struct nfs41_reclaim_complete_res {
1157 struct nfs4_sequence_res seq_res;
1158 };
1159
1160 #define SECINFO_STYLE_CURRENT_FH 0
1161 #define SECINFO_STYLE_PARENT 1
1162 struct nfs41_secinfo_no_name_args {
1163 struct nfs4_sequence_args seq_args;
1164 int style;
1165 };
1166
1167 struct nfs41_test_stateid_args {
1168 struct nfs4_sequence_args seq_args;
1169 nfs4_stateid *stateid;
1170 };
1171
1172 struct nfs41_test_stateid_res {
1173 struct nfs4_sequence_res seq_res;
1174 unsigned int status;
1175 };
1176
1177 struct nfs41_free_stateid_args {
1178 struct nfs4_sequence_args seq_args;
1179 nfs4_stateid stateid;
1180 };
1181
1182 struct nfs41_free_stateid_res {
1183 struct nfs4_sequence_res seq_res;
1184 unsigned int status;
1185 };
1186
1187 #else
1188
1189 struct pnfs_ds_commit_info {
1190 };
1191
1192 #endif /* CONFIG_NFS_V4_1 */
1193
1194 struct nfs_page;
1195
1196 #define NFS_PAGEVEC_SIZE (8U)
1197
1198 struct nfs_page_array {
1199 struct page **pagevec;
1200 unsigned int npages; /* Max length of pagevec */
1201 struct page *page_array[NFS_PAGEVEC_SIZE];
1202 };
1203
1204 struct nfs_read_data {
1205 struct nfs_pgio_header *header;
1206 struct list_head list;
1207 struct rpc_task task;
1208 struct nfs_fattr fattr; /* fattr storage */
1209 struct nfs_readargs args;
1210 struct nfs_readres res;
1211 unsigned long timestamp; /* For lease renewal */
1212 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1213 __u64 mds_offset;
1214 struct nfs_page_array pages;
1215 struct nfs_client *ds_clp; /* pNFS data server */
1216 };
1217
1218 /* used as flag bits in nfs_pgio_header */
1219 enum {
1220 NFS_IOHDR_ERROR = 0,
1221 NFS_IOHDR_EOF,
1222 NFS_IOHDR_REDO,
1223 NFS_IOHDR_NEED_COMMIT,
1224 NFS_IOHDR_NEED_RESCHED,
1225 };
1226
1227 struct nfs_pgio_header {
1228 struct inode *inode;
1229 struct rpc_cred *cred;
1230 struct list_head pages;
1231 struct list_head rpc_list;
1232 atomic_t refcnt;
1233 struct nfs_page *req;
1234 struct nfs_writeverf *verf;
1235 struct pnfs_layout_segment *lseg;
1236 loff_t io_start;
1237 const struct rpc_call_ops *mds_ops;
1238 void (*release) (struct nfs_pgio_header *hdr);
1239 const struct nfs_pgio_completion_ops *completion_ops;
1240 struct nfs_direct_req *dreq;
1241 void *layout_private;
1242 spinlock_t lock;
1243 /* fields protected by lock */
1244 int pnfs_error;
1245 int error; /* merge with pnfs_error */
1246 unsigned long good_bytes; /* boundary of good data */
1247 unsigned long flags;
1248 };
1249
1250 struct nfs_read_header {
1251 struct nfs_pgio_header header;
1252 struct nfs_read_data rpc_data;
1253 };
1254
1255 struct nfs_write_data {
1256 struct nfs_pgio_header *header;
1257 struct list_head list;
1258 struct rpc_task task;
1259 struct nfs_fattr fattr;
1260 struct nfs_writeverf verf;
1261 struct nfs_writeargs args; /* argument struct */
1262 struct nfs_writeres res; /* result struct */
1263 unsigned long timestamp; /* For lease renewal */
1264 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1265 __u64 mds_offset; /* Filelayout dense stripe */
1266 struct nfs_page_array pages;
1267 struct nfs_client *ds_clp; /* pNFS data server */
1268 };
1269
1270 struct nfs_write_header {
1271 struct nfs_pgio_header header;
1272 struct nfs_write_data rpc_data;
1273 struct nfs_writeverf verf;
1274 };
1275
1276 struct nfs_mds_commit_info {
1277 atomic_t rpcs_out;
1278 unsigned long ncommit;
1279 struct list_head list;
1280 };
1281
1282 struct nfs_commit_data;
1283 struct nfs_inode;
1284 struct nfs_commit_completion_ops {
1285 void (*error_cleanup) (struct nfs_inode *nfsi);
1286 void (*completion) (struct nfs_commit_data *data);
1287 };
1288
1289 struct nfs_commit_info {
1290 spinlock_t *lock;
1291 struct nfs_mds_commit_info *mds;
1292 struct pnfs_ds_commit_info *ds;
1293 struct nfs_direct_req *dreq; /* O_DIRECT request */
1294 const struct nfs_commit_completion_ops *completion_ops;
1295 };
1296
1297 struct nfs_commit_data {
1298 struct rpc_task task;
1299 struct inode *inode;
1300 struct rpc_cred *cred;
1301 struct nfs_fattr fattr;
1302 struct nfs_writeverf verf;
1303 struct list_head pages; /* Coalesced requests we wish to flush */
1304 struct list_head list; /* lists of struct nfs_write_data */
1305 struct nfs_direct_req *dreq; /* O_DIRECT request */
1306 struct nfs_commitargs args; /* argument struct */
1307 struct nfs_commitres res; /* result struct */
1308 struct nfs_open_context *context;
1309 struct pnfs_layout_segment *lseg;
1310 struct nfs_client *ds_clp; /* pNFS data server */
1311 int ds_commit_index;
1312 const struct rpc_call_ops *mds_ops;
1313 const struct nfs_commit_completion_ops *completion_ops;
1314 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1315 };
1316
1317 struct nfs_pgio_completion_ops {
1318 void (*error_cleanup)(struct list_head *head);
1319 void (*init_hdr)(struct nfs_pgio_header *hdr);
1320 void (*completion)(struct nfs_pgio_header *hdr);
1321 };
1322
1323 struct nfs_unlinkdata {
1324 struct hlist_node list;
1325 struct nfs_removeargs args;
1326 struct nfs_removeres res;
1327 struct inode *dir;
1328 struct rpc_cred *cred;
1329 struct nfs_fattr dir_attr;
1330 };
1331
1332 struct nfs_renamedata {
1333 struct nfs_renameargs args;
1334 struct nfs_renameres res;
1335 struct rpc_cred *cred;
1336 struct inode *old_dir;
1337 struct dentry *old_dentry;
1338 struct nfs_fattr old_fattr;
1339 struct inode *new_dir;
1340 struct dentry *new_dentry;
1341 struct nfs_fattr new_fattr;
1342 };
1343
1344 struct nfs_access_entry;
1345 struct nfs_client;
1346 struct rpc_timeout;
1347 struct nfs_subversion;
1348 struct nfs_mount_info;
1349 struct nfs_client_initdata;
1350 struct nfs_pageio_descriptor;
1351
1352 /*
1353 * RPC procedure vector for NFSv2/NFSv3 demuxing
1354 */
1355 struct nfs_rpc_ops {
1356 u32 version; /* Protocol version */
1357 const struct dentry_operations *dentry_ops;
1358 const struct inode_operations *dir_inode_ops;
1359 const struct inode_operations *file_inode_ops;
1360 const struct file_operations *file_ops;
1361
1362 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1363 struct nfs_fsinfo *);
1364 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1365 struct nfs_fh *, struct nfs_fattr *);
1366 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1367 struct nfs_subversion *);
1368 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1369 struct nfs_fattr *);
1370 int (*setattr) (struct dentry *, struct nfs_fattr *,
1371 struct iattr *);
1372 int (*lookup) (struct inode *, struct qstr *,
1373 struct nfs_fh *, struct nfs_fattr *);
1374 int (*access) (struct inode *, struct nfs_access_entry *);
1375 int (*readlink)(struct inode *, struct page *, unsigned int,
1376 unsigned int);
1377 int (*create) (struct inode *, struct dentry *,
1378 struct iattr *, int);
1379 int (*remove) (struct inode *, struct qstr *);
1380 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1381 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1382 int (*unlink_done) (struct rpc_task *, struct inode *);
1383 int (*rename) (struct inode *, struct qstr *,
1384 struct inode *, struct qstr *);
1385 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1386 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1387 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1388 int (*link) (struct inode *, struct inode *, struct qstr *);
1389 int (*symlink) (struct inode *, struct dentry *, struct page *,
1390 unsigned int, struct iattr *);
1391 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1392 int (*rmdir) (struct inode *, struct qstr *);
1393 int (*readdir) (struct dentry *, struct rpc_cred *,
1394 u64, struct page **, unsigned int, int);
1395 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1396 dev_t);
1397 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1398 struct nfs_fsstat *);
1399 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1400 struct nfs_fsinfo *);
1401 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1402 struct nfs_pathconf *);
1403 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1404 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1405 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1406 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1407 const struct nfs_pgio_completion_ops *);
1408 void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
1409 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1410 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1411 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1412 const struct nfs_pgio_completion_ops *);
1413 void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
1414 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1415 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1416 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1417 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1418 int (*lock)(struct file *, int, struct file_lock *);
1419 int (*lock_check_bounds)(const struct file_lock *);
1420 void (*clear_acl_cache)(struct inode *);
1421 void (*close_context)(struct nfs_open_context *ctx, int);
1422 struct inode * (*open_context) (struct inode *dir,
1423 struct nfs_open_context *ctx,
1424 int open_flags,
1425 struct iattr *iattr);
1426 int (*have_delegation)(struct inode *, fmode_t);
1427 int (*return_delegation)(struct inode *);
1428 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1429 struct nfs_client *
1430 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1431 const char *, rpc_authflavor_t);
1432 void (*free_client) (struct nfs_client *);
1433 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1434 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1435 struct nfs_fattr *, rpc_authflavor_t);
1436 };
1437
1438 /*
1439 * NFS_CALL(getattr, inode, (fattr));
1440 * into
1441 * NFS_PROTO(inode)->getattr(fattr);
1442 */
1443 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1444
1445 /*
1446 * Function vectors etc. for the NFS client
1447 */
1448 extern const struct nfs_rpc_ops nfs_v2_clientops;
1449 extern const struct nfs_rpc_ops nfs_v3_clientops;
1450 extern const struct nfs_rpc_ops nfs_v4_clientops;
1451 extern const struct rpc_version nfs_version2;
1452 extern const struct rpc_version nfs_version3;
1453 extern const struct rpc_version nfs_version4;
1454
1455 extern const struct rpc_version nfsacl_version3;
1456 extern const struct rpc_program nfsacl_program;
1457
1458 #endif
Linus' kernel tree