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NFSv4.1: Ensure that the client tracks the server target_highest_slotid
[deliverable/linux.git] / include / linux / nfs_xdr.h
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 /* Forward declaration for NFS v3 */
18 struct nfs4_secinfo_flavors;
19
20 struct nfs4_string {
21 unsigned int len;
22 char *data;
23 };
24
25 struct nfs_fsid {
26 uint64_t major;
27 uint64_t minor;
28 };
29
30 /*
31 * Helper for checking equality between 2 fsids.
32 */
33 static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
34 {
35 return a->major == b->major && a->minor == b->minor;
36 }
37
38 struct nfs4_threshold {
39 __u32 bm;
40 __u32 l_type;
41 __u64 rd_sz;
42 __u64 wr_sz;
43 __u64 rd_io_sz;
44 __u64 wr_io_sz;
45 };
46
47 struct nfs_fattr {
48 unsigned int valid; /* which fields are valid */
49 umode_t mode;
50 __u32 nlink;
51 __u32 uid;
52 __u32 gid;
53 dev_t rdev;
54 __u64 size;
55 union {
56 struct {
57 __u32 blocksize;
58 __u32 blocks;
59 } nfs2;
60 struct {
61 __u64 used;
62 } nfs3;
63 } du;
64 struct nfs_fsid fsid;
65 __u64 fileid;
66 __u64 mounted_on_fileid;
67 struct timespec atime;
68 struct timespec mtime;
69 struct timespec ctime;
70 __u64 change_attr; /* NFSv4 change attribute */
71 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
72 __u64 pre_size; /* pre_op_attr.size */
73 struct timespec pre_mtime; /* pre_op_attr.mtime */
74 struct timespec pre_ctime; /* pre_op_attr.ctime */
75 unsigned long time_start;
76 unsigned long gencount;
77 struct nfs4_string *owner_name;
78 struct nfs4_string *group_name;
79 struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
80 };
81
82 #define NFS_ATTR_FATTR_TYPE (1U << 0)
83 #define NFS_ATTR_FATTR_MODE (1U << 1)
84 #define NFS_ATTR_FATTR_NLINK (1U << 2)
85 #define NFS_ATTR_FATTR_OWNER (1U << 3)
86 #define NFS_ATTR_FATTR_GROUP (1U << 4)
87 #define NFS_ATTR_FATTR_RDEV (1U << 5)
88 #define NFS_ATTR_FATTR_SIZE (1U << 6)
89 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
90 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
91 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
92 #define NFS_ATTR_FATTR_FSID (1U << 10)
93 #define NFS_ATTR_FATTR_FILEID (1U << 11)
94 #define NFS_ATTR_FATTR_ATIME (1U << 12)
95 #define NFS_ATTR_FATTR_MTIME (1U << 13)
96 #define NFS_ATTR_FATTR_CTIME (1U << 14)
97 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
98 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
99 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
100 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
101 #define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
102 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
103 #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
104 #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
105 #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
106 #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
107
108 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
109 | NFS_ATTR_FATTR_MODE \
110 | NFS_ATTR_FATTR_NLINK \
111 | NFS_ATTR_FATTR_OWNER \
112 | NFS_ATTR_FATTR_GROUP \
113 | NFS_ATTR_FATTR_RDEV \
114 | NFS_ATTR_FATTR_SIZE \
115 | NFS_ATTR_FATTR_FSID \
116 | NFS_ATTR_FATTR_FILEID \
117 | NFS_ATTR_FATTR_ATIME \
118 | NFS_ATTR_FATTR_MTIME \
119 | NFS_ATTR_FATTR_CTIME \
120 | NFS_ATTR_FATTR_CHANGE)
121 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
122 | NFS_ATTR_FATTR_BLOCKS_USED)
123 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
124 | NFS_ATTR_FATTR_SPACE_USED)
125 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
126 | NFS_ATTR_FATTR_SPACE_USED)
127
128 /*
129 * Info on the file system
130 */
131 struct nfs_fsinfo {
132 struct nfs_fattr *fattr; /* Post-op attributes */
133 __u32 rtmax; /* max. read transfer size */
134 __u32 rtpref; /* pref. read transfer size */
135 __u32 rtmult; /* reads should be multiple of this */
136 __u32 wtmax; /* max. write transfer size */
137 __u32 wtpref; /* pref. write transfer size */
138 __u32 wtmult; /* writes should be multiple of this */
139 __u32 dtpref; /* pref. readdir transfer size */
140 __u64 maxfilesize;
141 struct timespec time_delta; /* server time granularity */
142 __u32 lease_time; /* in seconds */
143 __u32 layouttype; /* supported pnfs layout driver */
144 __u32 blksize; /* preferred pnfs io block size */
145 };
146
147 struct nfs_fsstat {
148 struct nfs_fattr *fattr; /* Post-op attributes */
149 __u64 tbytes; /* total size in bytes */
150 __u64 fbytes; /* # of free bytes */
151 __u64 abytes; /* # of bytes available to user */
152 __u64 tfiles; /* # of files */
153 __u64 ffiles; /* # of free files */
154 __u64 afiles; /* # of files available to user */
155 };
156
157 struct nfs2_fsstat {
158 __u32 tsize; /* Server transfer size */
159 __u32 bsize; /* Filesystem block size */
160 __u32 blocks; /* No. of "bsize" blocks on filesystem */
161 __u32 bfree; /* No. of free "bsize" blocks */
162 __u32 bavail; /* No. of available "bsize" blocks */
163 };
164
165 struct nfs_pathconf {
166 struct nfs_fattr *fattr; /* Post-op attributes */
167 __u32 max_link; /* max # of hard links */
168 __u32 max_namelen; /* max name length */
169 };
170
171 struct nfs4_change_info {
172 u32 atomic;
173 u64 before;
174 u64 after;
175 };
176
177 struct nfs_seqid;
178
179 /* nfs41 sessions channel attributes */
180 struct nfs4_channel_attrs {
181 u32 max_rqst_sz;
182 u32 max_resp_sz;
183 u32 max_resp_sz_cached;
184 u32 max_ops;
185 u32 max_reqs;
186 };
187
188 /* nfs41 sessions slot seqid */
189 struct nfs4_slot {
190 struct nfs4_slot_table *table;
191 unsigned long generation;
192 unsigned long renewal_time;
193 u32 slot_nr;
194 u32 seq_nr;
195 };
196
197 struct nfs4_sequence_args {
198 struct nfs4_slot *sa_slot;
199 u8 sa_cache_this;
200 };
201
202 struct nfs4_sequence_res {
203 struct nfs4_slot *sr_slot; /* slot used to send request */
204 int sr_status; /* sequence operation status */
205 u32 sr_status_flags;
206 u32 sr_target_highest_slotid;
207 };
208
209 struct nfs4_get_lease_time_args {
210 struct nfs4_sequence_args la_seq_args;
211 };
212
213 struct nfs4_get_lease_time_res {
214 struct nfs_fsinfo *lr_fsinfo;
215 struct nfs4_sequence_res lr_seq_res;
216 };
217
218 #define PNFS_LAYOUT_MAXSIZE 4096
219
220 struct nfs4_layoutdriver_data {
221 struct page **pages;
222 __u32 pglen;
223 __u32 len;
224 };
225
226 struct pnfs_layout_range {
227 u32 iomode;
228 u64 offset;
229 u64 length;
230 };
231
232 struct nfs4_layoutget_args {
233 __u32 type;
234 struct pnfs_layout_range range;
235 __u64 minlength;
236 __u32 maxcount;
237 struct inode *inode;
238 struct nfs_open_context *ctx;
239 struct nfs4_sequence_args seq_args;
240 nfs4_stateid stateid;
241 struct nfs4_layoutdriver_data layout;
242 };
243
244 struct nfs4_layoutget_res {
245 __u32 return_on_close;
246 struct pnfs_layout_range range;
247 __u32 type;
248 nfs4_stateid stateid;
249 struct nfs4_sequence_res seq_res;
250 struct nfs4_layoutdriver_data *layoutp;
251 };
252
253 struct nfs4_layoutget {
254 struct nfs4_layoutget_args args;
255 struct nfs4_layoutget_res res;
256 gfp_t gfp_flags;
257 };
258
259 struct nfs4_getdevicelist_args {
260 const struct nfs_fh *fh;
261 u32 layoutclass;
262 struct nfs4_sequence_args seq_args;
263 };
264
265 struct nfs4_getdevicelist_res {
266 struct pnfs_devicelist *devlist;
267 struct nfs4_sequence_res seq_res;
268 };
269
270 struct nfs4_getdeviceinfo_args {
271 struct pnfs_device *pdev;
272 struct nfs4_sequence_args seq_args;
273 };
274
275 struct nfs4_getdeviceinfo_res {
276 struct pnfs_device *pdev;
277 struct nfs4_sequence_res seq_res;
278 };
279
280 struct nfs4_layoutcommit_args {
281 nfs4_stateid stateid;
282 __u64 lastbytewritten;
283 struct inode *inode;
284 const u32 *bitmask;
285 struct nfs4_sequence_args seq_args;
286 };
287
288 struct nfs4_layoutcommit_res {
289 struct nfs_fattr *fattr;
290 const struct nfs_server *server;
291 struct nfs4_sequence_res seq_res;
292 int status;
293 };
294
295 struct nfs4_layoutcommit_data {
296 struct rpc_task task;
297 struct nfs_fattr fattr;
298 struct list_head lseg_list;
299 struct rpc_cred *cred;
300 struct nfs4_layoutcommit_args args;
301 struct nfs4_layoutcommit_res res;
302 };
303
304 struct nfs4_layoutreturn_args {
305 struct pnfs_layout_hdr *layout;
306 struct inode *inode;
307 nfs4_stateid stateid;
308 __u32 layout_type;
309 struct nfs4_sequence_args seq_args;
310 };
311
312 struct nfs4_layoutreturn_res {
313 struct nfs4_sequence_res seq_res;
314 u32 lrs_present;
315 nfs4_stateid stateid;
316 };
317
318 struct nfs4_layoutreturn {
319 struct nfs4_layoutreturn_args args;
320 struct nfs4_layoutreturn_res res;
321 struct rpc_cred *cred;
322 struct nfs_client *clp;
323 int rpc_status;
324 };
325
326 struct stateowner_id {
327 __u64 create_time;
328 __u32 uniquifier;
329 };
330
331 /*
332 * Arguments to the open call.
333 */
334 struct nfs_openargs {
335 const struct nfs_fh * fh;
336 struct nfs_seqid * seqid;
337 int open_flags;
338 fmode_t fmode;
339 u32 access;
340 __u64 clientid;
341 struct stateowner_id id;
342 union {
343 struct {
344 struct iattr * attrs; /* UNCHECKED, GUARDED */
345 nfs4_verifier verifier; /* EXCLUSIVE */
346 };
347 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
348 fmode_t delegation_type; /* CLAIM_PREVIOUS */
349 } u;
350 const struct qstr * name;
351 const struct nfs_server *server; /* Needed for ID mapping */
352 const u32 * bitmask;
353 const u32 * open_bitmap;
354 __u32 claim;
355 struct nfs4_sequence_args seq_args;
356 };
357
358 struct nfs_openres {
359 nfs4_stateid stateid;
360 struct nfs_fh fh;
361 struct nfs4_change_info cinfo;
362 __u32 rflags;
363 struct nfs_fattr * f_attr;
364 struct nfs_seqid * seqid;
365 const struct nfs_server *server;
366 fmode_t delegation_type;
367 nfs4_stateid delegation;
368 __u32 do_recall;
369 __u64 maxsize;
370 __u32 attrset[NFS4_BITMAP_SIZE];
371 struct nfs4_string *owner;
372 struct nfs4_string *group_owner;
373 struct nfs4_sequence_res seq_res;
374 __u32 access_request;
375 __u32 access_supported;
376 __u32 access_result;
377 };
378
379 /*
380 * Arguments to the open_confirm call.
381 */
382 struct nfs_open_confirmargs {
383 const struct nfs_fh * fh;
384 nfs4_stateid * stateid;
385 struct nfs_seqid * seqid;
386 };
387
388 struct nfs_open_confirmres {
389 nfs4_stateid stateid;
390 struct nfs_seqid * seqid;
391 };
392
393 /*
394 * Arguments to the close call.
395 */
396 struct nfs_closeargs {
397 struct nfs_fh * fh;
398 nfs4_stateid * stateid;
399 struct nfs_seqid * seqid;
400 fmode_t fmode;
401 const u32 * bitmask;
402 struct nfs4_sequence_args seq_args;
403 };
404
405 struct nfs_closeres {
406 nfs4_stateid stateid;
407 struct nfs_fattr * fattr;
408 struct nfs_seqid * seqid;
409 const struct nfs_server *server;
410 struct nfs4_sequence_res seq_res;
411 };
412 /*
413 * * Arguments to the lock,lockt, and locku call.
414 * */
415 struct nfs_lowner {
416 __u64 clientid;
417 __u64 id;
418 dev_t s_dev;
419 };
420
421 struct nfs_lock_args {
422 struct nfs_fh * fh;
423 struct file_lock * fl;
424 struct nfs_seqid * lock_seqid;
425 nfs4_stateid * lock_stateid;
426 struct nfs_seqid * open_seqid;
427 nfs4_stateid * open_stateid;
428 struct nfs_lowner lock_owner;
429 unsigned char block : 1;
430 unsigned char reclaim : 1;
431 unsigned char new_lock_owner : 1;
432 struct nfs4_sequence_args seq_args;
433 };
434
435 struct nfs_lock_res {
436 nfs4_stateid stateid;
437 struct nfs_seqid * lock_seqid;
438 struct nfs_seqid * open_seqid;
439 struct nfs4_sequence_res seq_res;
440 };
441
442 struct nfs_locku_args {
443 struct nfs_fh * fh;
444 struct file_lock * fl;
445 struct nfs_seqid * seqid;
446 nfs4_stateid * stateid;
447 struct nfs4_sequence_args seq_args;
448 };
449
450 struct nfs_locku_res {
451 nfs4_stateid stateid;
452 struct nfs_seqid * seqid;
453 struct nfs4_sequence_res seq_res;
454 };
455
456 struct nfs_lockt_args {
457 struct nfs_fh * fh;
458 struct file_lock * fl;
459 struct nfs_lowner lock_owner;
460 struct nfs4_sequence_args seq_args;
461 };
462
463 struct nfs_lockt_res {
464 struct file_lock * denied; /* LOCK, LOCKT failed */
465 struct nfs4_sequence_res seq_res;
466 };
467
468 struct nfs_release_lockowner_args {
469 struct nfs_lowner lock_owner;
470 };
471
472 struct nfs4_delegreturnargs {
473 const struct nfs_fh *fhandle;
474 const nfs4_stateid *stateid;
475 const u32 * bitmask;
476 struct nfs4_sequence_args seq_args;
477 };
478
479 struct nfs4_delegreturnres {
480 struct nfs_fattr * fattr;
481 const struct nfs_server *server;
482 struct nfs4_sequence_res seq_res;
483 };
484
485 /*
486 * Arguments to the read call.
487 */
488 struct nfs_readargs {
489 struct nfs_fh * fh;
490 struct nfs_open_context *context;
491 struct nfs_lock_context *lock_context;
492 __u64 offset;
493 __u32 count;
494 unsigned int pgbase;
495 struct page ** pages;
496 struct nfs4_sequence_args seq_args;
497 };
498
499 struct nfs_readres {
500 struct nfs_fattr * fattr;
501 __u32 count;
502 int eof;
503 struct nfs4_sequence_res seq_res;
504 };
505
506 /*
507 * Arguments to the write call.
508 */
509 struct nfs_writeargs {
510 struct nfs_fh * fh;
511 struct nfs_open_context *context;
512 struct nfs_lock_context *lock_context;
513 __u64 offset;
514 __u32 count;
515 enum nfs3_stable_how stable;
516 unsigned int pgbase;
517 struct page ** pages;
518 const u32 * bitmask;
519 struct nfs4_sequence_args seq_args;
520 };
521
522 struct nfs_write_verifier {
523 char data[8];
524 };
525
526 struct nfs_writeverf {
527 struct nfs_write_verifier verifier;
528 enum nfs3_stable_how committed;
529 };
530
531 struct nfs_writeres {
532 struct nfs_fattr * fattr;
533 struct nfs_writeverf * verf;
534 __u32 count;
535 const struct nfs_server *server;
536 struct nfs4_sequence_res seq_res;
537 };
538
539 /*
540 * Arguments to the commit call.
541 */
542 struct nfs_commitargs {
543 struct nfs_fh *fh;
544 __u64 offset;
545 __u32 count;
546 const u32 *bitmask;
547 struct nfs4_sequence_args seq_args;
548 };
549
550 struct nfs_commitres {
551 struct nfs_fattr *fattr;
552 struct nfs_writeverf *verf;
553 const struct nfs_server *server;
554 struct nfs4_sequence_res seq_res;
555 };
556
557 /*
558 * Common arguments to the unlink call
559 */
560 struct nfs_removeargs {
561 const struct nfs_fh *fh;
562 struct qstr name;
563 struct nfs4_sequence_args seq_args;
564 };
565
566 struct nfs_removeres {
567 const struct nfs_server *server;
568 struct nfs_fattr *dir_attr;
569 struct nfs4_change_info cinfo;
570 struct nfs4_sequence_res seq_res;
571 };
572
573 /*
574 * Common arguments to the rename call
575 */
576 struct nfs_renameargs {
577 const struct nfs_fh *old_dir;
578 const struct nfs_fh *new_dir;
579 const struct qstr *old_name;
580 const struct qstr *new_name;
581 struct nfs4_sequence_args seq_args;
582 };
583
584 struct nfs_renameres {
585 const struct nfs_server *server;
586 struct nfs4_change_info old_cinfo;
587 struct nfs_fattr *old_fattr;
588 struct nfs4_change_info new_cinfo;
589 struct nfs_fattr *new_fattr;
590 struct nfs4_sequence_res seq_res;
591 };
592
593 /*
594 * Argument struct for decode_entry function
595 */
596 struct nfs_entry {
597 __u64 ino;
598 __u64 cookie,
599 prev_cookie;
600 const char * name;
601 unsigned int len;
602 int eof;
603 struct nfs_fh * fh;
604 struct nfs_fattr * fattr;
605 unsigned char d_type;
606 struct nfs_server * server;
607 };
608
609 /*
610 * The following types are for NFSv2 only.
611 */
612 struct nfs_sattrargs {
613 struct nfs_fh * fh;
614 struct iattr * sattr;
615 };
616
617 struct nfs_diropargs {
618 struct nfs_fh * fh;
619 const char * name;
620 unsigned int len;
621 };
622
623 struct nfs_createargs {
624 struct nfs_fh * fh;
625 const char * name;
626 unsigned int len;
627 struct iattr * sattr;
628 };
629
630 struct nfs_setattrargs {
631 struct nfs_fh * fh;
632 nfs4_stateid stateid;
633 struct iattr * iap;
634 const struct nfs_server * server; /* Needed for name mapping */
635 const u32 * bitmask;
636 struct nfs4_sequence_args seq_args;
637 };
638
639 struct nfs_setaclargs {
640 struct nfs_fh * fh;
641 size_t acl_len;
642 unsigned int acl_pgbase;
643 struct page ** acl_pages;
644 struct nfs4_sequence_args seq_args;
645 };
646
647 struct nfs_setaclres {
648 struct nfs4_sequence_res seq_res;
649 };
650
651 struct nfs_getaclargs {
652 struct nfs_fh * fh;
653 size_t acl_len;
654 unsigned int acl_pgbase;
655 struct page ** acl_pages;
656 struct nfs4_sequence_args seq_args;
657 };
658
659 /* getxattr ACL interface flags */
660 #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
661 struct nfs_getaclres {
662 size_t acl_len;
663 size_t acl_data_offset;
664 int acl_flags;
665 struct page * acl_scratch;
666 struct nfs4_sequence_res seq_res;
667 };
668
669 struct nfs_setattrres {
670 struct nfs_fattr * fattr;
671 const struct nfs_server * server;
672 struct nfs4_sequence_res seq_res;
673 };
674
675 struct nfs_linkargs {
676 struct nfs_fh * fromfh;
677 struct nfs_fh * tofh;
678 const char * toname;
679 unsigned int tolen;
680 };
681
682 struct nfs_symlinkargs {
683 struct nfs_fh * fromfh;
684 const char * fromname;
685 unsigned int fromlen;
686 struct page ** pages;
687 unsigned int pathlen;
688 struct iattr * sattr;
689 };
690
691 struct nfs_readdirargs {
692 struct nfs_fh * fh;
693 __u32 cookie;
694 unsigned int count;
695 struct page ** pages;
696 };
697
698 struct nfs3_getaclargs {
699 struct nfs_fh * fh;
700 int mask;
701 struct page ** pages;
702 };
703
704 struct nfs3_setaclargs {
705 struct inode * inode;
706 int mask;
707 struct posix_acl * acl_access;
708 struct posix_acl * acl_default;
709 size_t len;
710 unsigned int npages;
711 struct page ** pages;
712 };
713
714 struct nfs_diropok {
715 struct nfs_fh * fh;
716 struct nfs_fattr * fattr;
717 };
718
719 struct nfs_readlinkargs {
720 struct nfs_fh * fh;
721 unsigned int pgbase;
722 unsigned int pglen;
723 struct page ** pages;
724 };
725
726 struct nfs3_sattrargs {
727 struct nfs_fh * fh;
728 struct iattr * sattr;
729 unsigned int guard;
730 struct timespec guardtime;
731 };
732
733 struct nfs3_diropargs {
734 struct nfs_fh * fh;
735 const char * name;
736 unsigned int len;
737 };
738
739 struct nfs3_accessargs {
740 struct nfs_fh * fh;
741 __u32 access;
742 };
743
744 struct nfs3_createargs {
745 struct nfs_fh * fh;
746 const char * name;
747 unsigned int len;
748 struct iattr * sattr;
749 enum nfs3_createmode createmode;
750 __be32 verifier[2];
751 };
752
753 struct nfs3_mkdirargs {
754 struct nfs_fh * fh;
755 const char * name;
756 unsigned int len;
757 struct iattr * sattr;
758 };
759
760 struct nfs3_symlinkargs {
761 struct nfs_fh * fromfh;
762 const char * fromname;
763 unsigned int fromlen;
764 struct page ** pages;
765 unsigned int pathlen;
766 struct iattr * sattr;
767 };
768
769 struct nfs3_mknodargs {
770 struct nfs_fh * fh;
771 const char * name;
772 unsigned int len;
773 enum nfs3_ftype type;
774 struct iattr * sattr;
775 dev_t rdev;
776 };
777
778 struct nfs3_linkargs {
779 struct nfs_fh * fromfh;
780 struct nfs_fh * tofh;
781 const char * toname;
782 unsigned int tolen;
783 };
784
785 struct nfs3_readdirargs {
786 struct nfs_fh * fh;
787 __u64 cookie;
788 __be32 verf[2];
789 int plus;
790 unsigned int count;
791 struct page ** pages;
792 };
793
794 struct nfs3_diropres {
795 struct nfs_fattr * dir_attr;
796 struct nfs_fh * fh;
797 struct nfs_fattr * fattr;
798 };
799
800 struct nfs3_accessres {
801 struct nfs_fattr * fattr;
802 __u32 access;
803 };
804
805 struct nfs3_readlinkargs {
806 struct nfs_fh * fh;
807 unsigned int pgbase;
808 unsigned int pglen;
809 struct page ** pages;
810 };
811
812 struct nfs3_linkres {
813 struct nfs_fattr * dir_attr;
814 struct nfs_fattr * fattr;
815 };
816
817 struct nfs3_readdirres {
818 struct nfs_fattr * dir_attr;
819 __be32 * verf;
820 int plus;
821 };
822
823 struct nfs3_getaclres {
824 struct nfs_fattr * fattr;
825 int mask;
826 unsigned int acl_access_count;
827 unsigned int acl_default_count;
828 struct posix_acl * acl_access;
829 struct posix_acl * acl_default;
830 };
831
832 #if IS_ENABLED(CONFIG_NFS_V4)
833
834 typedef u64 clientid4;
835
836 struct nfs4_accessargs {
837 const struct nfs_fh * fh;
838 const u32 * bitmask;
839 u32 access;
840 struct nfs4_sequence_args seq_args;
841 };
842
843 struct nfs4_accessres {
844 const struct nfs_server * server;
845 struct nfs_fattr * fattr;
846 u32 supported;
847 u32 access;
848 struct nfs4_sequence_res seq_res;
849 };
850
851 struct nfs4_create_arg {
852 u32 ftype;
853 union {
854 struct {
855 struct page ** pages;
856 unsigned int len;
857 } symlink; /* NF4LNK */
858 struct {
859 u32 specdata1;
860 u32 specdata2;
861 } device; /* NF4BLK, NF4CHR */
862 } u;
863 const struct qstr * name;
864 const struct nfs_server * server;
865 const struct iattr * attrs;
866 const struct nfs_fh * dir_fh;
867 const u32 * bitmask;
868 struct nfs4_sequence_args seq_args;
869 };
870
871 struct nfs4_create_res {
872 const struct nfs_server * server;
873 struct nfs_fh * fh;
874 struct nfs_fattr * fattr;
875 struct nfs4_change_info dir_cinfo;
876 struct nfs4_sequence_res seq_res;
877 };
878
879 struct nfs4_fsinfo_arg {
880 const struct nfs_fh * fh;
881 const u32 * bitmask;
882 struct nfs4_sequence_args seq_args;
883 };
884
885 struct nfs4_fsinfo_res {
886 struct nfs_fsinfo *fsinfo;
887 struct nfs4_sequence_res seq_res;
888 };
889
890 struct nfs4_getattr_arg {
891 const struct nfs_fh * fh;
892 const u32 * bitmask;
893 struct nfs4_sequence_args seq_args;
894 };
895
896 struct nfs4_getattr_res {
897 const struct nfs_server * server;
898 struct nfs_fattr * fattr;
899 struct nfs4_sequence_res seq_res;
900 };
901
902 struct nfs4_link_arg {
903 const struct nfs_fh * fh;
904 const struct nfs_fh * dir_fh;
905 const struct qstr * name;
906 const u32 * bitmask;
907 struct nfs4_sequence_args seq_args;
908 };
909
910 struct nfs4_link_res {
911 const struct nfs_server * server;
912 struct nfs_fattr * fattr;
913 struct nfs4_change_info cinfo;
914 struct nfs_fattr * dir_attr;
915 struct nfs4_sequence_res seq_res;
916 };
917
918
919 struct nfs4_lookup_arg {
920 const struct nfs_fh * dir_fh;
921 const struct qstr * name;
922 const u32 * bitmask;
923 struct nfs4_sequence_args seq_args;
924 };
925
926 struct nfs4_lookup_res {
927 const struct nfs_server * server;
928 struct nfs_fattr * fattr;
929 struct nfs_fh * fh;
930 struct nfs4_sequence_res seq_res;
931 };
932
933 struct nfs4_lookup_root_arg {
934 const u32 * bitmask;
935 struct nfs4_sequence_args seq_args;
936 };
937
938 struct nfs4_pathconf_arg {
939 const struct nfs_fh * fh;
940 const u32 * bitmask;
941 struct nfs4_sequence_args seq_args;
942 };
943
944 struct nfs4_pathconf_res {
945 struct nfs_pathconf *pathconf;
946 struct nfs4_sequence_res seq_res;
947 };
948
949 struct nfs4_readdir_arg {
950 const struct nfs_fh * fh;
951 u64 cookie;
952 nfs4_verifier verifier;
953 u32 count;
954 struct page ** pages; /* zero-copy data */
955 unsigned int pgbase; /* zero-copy data */
956 const u32 * bitmask;
957 int plus;
958 struct nfs4_sequence_args seq_args;
959 };
960
961 struct nfs4_readdir_res {
962 nfs4_verifier verifier;
963 unsigned int pgbase;
964 struct nfs4_sequence_res seq_res;
965 };
966
967 struct nfs4_readlink {
968 const struct nfs_fh * fh;
969 unsigned int pgbase;
970 unsigned int pglen; /* zero-copy data */
971 struct page ** pages; /* zero-copy data */
972 struct nfs4_sequence_args seq_args;
973 };
974
975 struct nfs4_readlink_res {
976 struct nfs4_sequence_res seq_res;
977 };
978
979 #define NFS4_SETCLIENTID_NAMELEN (127)
980 struct nfs4_setclientid {
981 const nfs4_verifier * sc_verifier;
982 unsigned int sc_name_len;
983 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
984 u32 sc_prog;
985 unsigned int sc_netid_len;
986 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
987 unsigned int sc_uaddr_len;
988 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
989 u32 sc_cb_ident;
990 };
991
992 struct nfs4_setclientid_res {
993 u64 clientid;
994 nfs4_verifier confirm;
995 };
996
997 struct nfs4_statfs_arg {
998 const struct nfs_fh * fh;
999 const u32 * bitmask;
1000 struct nfs4_sequence_args seq_args;
1001 };
1002
1003 struct nfs4_statfs_res {
1004 struct nfs_fsstat *fsstat;
1005 struct nfs4_sequence_res seq_res;
1006 };
1007
1008 struct nfs4_server_caps_arg {
1009 struct nfs_fh *fhandle;
1010 struct nfs4_sequence_args seq_args;
1011 };
1012
1013 struct nfs4_server_caps_res {
1014 u32 attr_bitmask[3];
1015 u32 acl_bitmask;
1016 u32 has_links;
1017 u32 has_symlinks;
1018 u32 fh_expire_type;
1019 struct nfs4_sequence_res seq_res;
1020 };
1021
1022 #define NFS4_PATHNAME_MAXCOMPONENTS 512
1023 struct nfs4_pathname {
1024 unsigned int ncomponents;
1025 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1026 };
1027
1028 #define NFS4_FS_LOCATION_MAXSERVERS 10
1029 struct nfs4_fs_location {
1030 unsigned int nservers;
1031 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1032 struct nfs4_pathname rootpath;
1033 };
1034
1035 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
1036 struct nfs4_fs_locations {
1037 struct nfs_fattr fattr;
1038 const struct nfs_server *server;
1039 struct nfs4_pathname fs_path;
1040 int nlocations;
1041 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1042 };
1043
1044 struct nfs4_fs_locations_arg {
1045 const struct nfs_fh *dir_fh;
1046 const struct qstr *name;
1047 struct page *page;
1048 const u32 *bitmask;
1049 struct nfs4_sequence_args seq_args;
1050 };
1051
1052 struct nfs4_fs_locations_res {
1053 struct nfs4_fs_locations *fs_locations;
1054 struct nfs4_sequence_res seq_res;
1055 };
1056
1057 struct nfs4_secinfo_oid {
1058 unsigned int len;
1059 char data[GSS_OID_MAX_LEN];
1060 };
1061
1062 struct nfs4_secinfo_gss {
1063 struct nfs4_secinfo_oid sec_oid4;
1064 unsigned int qop4;
1065 unsigned int service;
1066 };
1067
1068 struct nfs4_secinfo_flavor {
1069 unsigned int flavor;
1070 struct nfs4_secinfo_gss gss;
1071 };
1072
1073 struct nfs4_secinfo_flavors {
1074 unsigned int num_flavors;
1075 struct nfs4_secinfo_flavor flavors[0];
1076 };
1077
1078 struct nfs4_secinfo_arg {
1079 const struct nfs_fh *dir_fh;
1080 const struct qstr *name;
1081 struct nfs4_sequence_args seq_args;
1082 };
1083
1084 struct nfs4_secinfo_res {
1085 struct nfs4_secinfo_flavors *flavors;
1086 struct nfs4_sequence_res seq_res;
1087 };
1088
1089 #endif /* CONFIG_NFS_V4 */
1090
1091 struct nfstime4 {
1092 u64 seconds;
1093 u32 nseconds;
1094 };
1095
1096 #ifdef CONFIG_NFS_V4_1
1097
1098 struct pnfs_commit_bucket {
1099 struct list_head written;
1100 struct list_head committing;
1101 struct pnfs_layout_segment *wlseg;
1102 struct pnfs_layout_segment *clseg;
1103 };
1104
1105 struct pnfs_ds_commit_info {
1106 int nwritten;
1107 int ncommitting;
1108 int nbuckets;
1109 struct pnfs_commit_bucket *buckets;
1110 };
1111
1112 #define NFS4_EXCHANGE_ID_LEN (48)
1113 struct nfs41_exchange_id_args {
1114 struct nfs_client *client;
1115 nfs4_verifier *verifier;
1116 unsigned int id_len;
1117 char id[NFS4_EXCHANGE_ID_LEN];
1118 u32 flags;
1119 };
1120
1121 struct nfs41_server_owner {
1122 uint64_t minor_id;
1123 uint32_t major_id_sz;
1124 char major_id[NFS4_OPAQUE_LIMIT];
1125 };
1126
1127 struct nfs41_server_scope {
1128 uint32_t server_scope_sz;
1129 char server_scope[NFS4_OPAQUE_LIMIT];
1130 };
1131
1132 struct nfs41_impl_id {
1133 char domain[NFS4_OPAQUE_LIMIT + 1];
1134 char name[NFS4_OPAQUE_LIMIT + 1];
1135 struct nfstime4 date;
1136 };
1137
1138 struct nfs41_bind_conn_to_session_res {
1139 struct nfs4_session *session;
1140 u32 dir;
1141 bool use_conn_in_rdma_mode;
1142 };
1143
1144 struct nfs41_exchange_id_res {
1145 u64 clientid;
1146 u32 seqid;
1147 u32 flags;
1148 struct nfs41_server_owner *server_owner;
1149 struct nfs41_server_scope *server_scope;
1150 struct nfs41_impl_id *impl_id;
1151 };
1152
1153 struct nfs41_create_session_args {
1154 struct nfs_client *client;
1155 uint32_t flags;
1156 uint32_t cb_program;
1157 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1158 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1159 };
1160
1161 struct nfs41_create_session_res {
1162 struct nfs_client *client;
1163 };
1164
1165 struct nfs41_reclaim_complete_args {
1166 /* In the future extend to include curr_fh for use with migration */
1167 unsigned char one_fs:1;
1168 struct nfs4_sequence_args seq_args;
1169 };
1170
1171 struct nfs41_reclaim_complete_res {
1172 struct nfs4_sequence_res seq_res;
1173 };
1174
1175 #define SECINFO_STYLE_CURRENT_FH 0
1176 #define SECINFO_STYLE_PARENT 1
1177 struct nfs41_secinfo_no_name_args {
1178 int style;
1179 struct nfs4_sequence_args seq_args;
1180 };
1181
1182 struct nfs41_test_stateid_args {
1183 nfs4_stateid *stateid;
1184 struct nfs4_sequence_args seq_args;
1185 };
1186
1187 struct nfs41_test_stateid_res {
1188 unsigned int status;
1189 struct nfs4_sequence_res seq_res;
1190 };
1191
1192 struct nfs41_free_stateid_args {
1193 nfs4_stateid *stateid;
1194 struct nfs4_sequence_args seq_args;
1195 };
1196
1197 struct nfs41_free_stateid_res {
1198 unsigned int status;
1199 struct nfs4_sequence_res seq_res;
1200 };
1201
1202 #else
1203
1204 struct pnfs_ds_commit_info {
1205 };
1206
1207 #endif /* CONFIG_NFS_V4_1 */
1208
1209 struct nfs_page;
1210
1211 #define NFS_PAGEVEC_SIZE (8U)
1212
1213 struct nfs_page_array {
1214 struct page **pagevec;
1215 unsigned int npages; /* Max length of pagevec */
1216 struct page *page_array[NFS_PAGEVEC_SIZE];
1217 };
1218
1219 struct nfs_read_data {
1220 struct nfs_pgio_header *header;
1221 struct list_head list;
1222 struct rpc_task task;
1223 struct nfs_fattr fattr; /* fattr storage */
1224 struct nfs_readargs args;
1225 struct nfs_readres res;
1226 unsigned long timestamp; /* For lease renewal */
1227 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1228 __u64 mds_offset;
1229 struct nfs_page_array pages;
1230 struct nfs_client *ds_clp; /* pNFS data server */
1231 };
1232
1233 /* used as flag bits in nfs_pgio_header */
1234 enum {
1235 NFS_IOHDR_ERROR = 0,
1236 NFS_IOHDR_EOF,
1237 NFS_IOHDR_REDO,
1238 NFS_IOHDR_NEED_COMMIT,
1239 NFS_IOHDR_NEED_RESCHED,
1240 };
1241
1242 struct nfs_pgio_header {
1243 struct inode *inode;
1244 struct rpc_cred *cred;
1245 struct list_head pages;
1246 struct list_head rpc_list;
1247 atomic_t refcnt;
1248 struct nfs_page *req;
1249 struct nfs_writeverf *verf;
1250 struct pnfs_layout_segment *lseg;
1251 loff_t io_start;
1252 const struct rpc_call_ops *mds_ops;
1253 void (*release) (struct nfs_pgio_header *hdr);
1254 const struct nfs_pgio_completion_ops *completion_ops;
1255 struct nfs_direct_req *dreq;
1256 void *layout_private;
1257 spinlock_t lock;
1258 /* fields protected by lock */
1259 int pnfs_error;
1260 int error; /* merge with pnfs_error */
1261 unsigned long good_bytes; /* boundary of good data */
1262 unsigned long flags;
1263 };
1264
1265 struct nfs_read_header {
1266 struct nfs_pgio_header header;
1267 struct nfs_read_data rpc_data;
1268 };
1269
1270 struct nfs_write_data {
1271 struct nfs_pgio_header *header;
1272 struct list_head list;
1273 struct rpc_task task;
1274 struct nfs_fattr fattr;
1275 struct nfs_writeverf verf;
1276 struct nfs_writeargs args; /* argument struct */
1277 struct nfs_writeres res; /* result struct */
1278 unsigned long timestamp; /* For lease renewal */
1279 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1280 __u64 mds_offset; /* Filelayout dense stripe */
1281 struct nfs_page_array pages;
1282 struct nfs_client *ds_clp; /* pNFS data server */
1283 };
1284
1285 struct nfs_write_header {
1286 struct nfs_pgio_header header;
1287 struct nfs_write_data rpc_data;
1288 struct nfs_writeverf verf;
1289 };
1290
1291 struct nfs_mds_commit_info {
1292 atomic_t rpcs_out;
1293 unsigned long ncommit;
1294 struct list_head list;
1295 };
1296
1297 struct nfs_commit_data;
1298 struct nfs_inode;
1299 struct nfs_commit_completion_ops {
1300 void (*error_cleanup) (struct nfs_inode *nfsi);
1301 void (*completion) (struct nfs_commit_data *data);
1302 };
1303
1304 struct nfs_commit_info {
1305 spinlock_t *lock;
1306 struct nfs_mds_commit_info *mds;
1307 struct pnfs_ds_commit_info *ds;
1308 struct nfs_direct_req *dreq; /* O_DIRECT request */
1309 const struct nfs_commit_completion_ops *completion_ops;
1310 };
1311
1312 struct nfs_commit_data {
1313 struct rpc_task task;
1314 struct inode *inode;
1315 struct rpc_cred *cred;
1316 struct nfs_fattr fattr;
1317 struct nfs_writeverf verf;
1318 struct list_head pages; /* Coalesced requests we wish to flush */
1319 struct list_head list; /* lists of struct nfs_write_data */
1320 struct nfs_direct_req *dreq; /* O_DIRECT request */
1321 struct nfs_commitargs args; /* argument struct */
1322 struct nfs_commitres res; /* result struct */
1323 struct nfs_open_context *context;
1324 struct pnfs_layout_segment *lseg;
1325 struct nfs_client *ds_clp; /* pNFS data server */
1326 int ds_commit_index;
1327 const struct rpc_call_ops *mds_ops;
1328 const struct nfs_commit_completion_ops *completion_ops;
1329 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1330 };
1331
1332 struct nfs_pgio_completion_ops {
1333 void (*error_cleanup)(struct list_head *head);
1334 void (*init_hdr)(struct nfs_pgio_header *hdr);
1335 void (*completion)(struct nfs_pgio_header *hdr);
1336 };
1337
1338 struct nfs_unlinkdata {
1339 struct hlist_node list;
1340 struct nfs_removeargs args;
1341 struct nfs_removeres res;
1342 struct inode *dir;
1343 struct rpc_cred *cred;
1344 struct nfs_fattr dir_attr;
1345 };
1346
1347 struct nfs_renamedata {
1348 struct nfs_renameargs args;
1349 struct nfs_renameres res;
1350 struct rpc_cred *cred;
1351 struct inode *old_dir;
1352 struct dentry *old_dentry;
1353 struct nfs_fattr old_fattr;
1354 struct inode *new_dir;
1355 struct dentry *new_dentry;
1356 struct nfs_fattr new_fattr;
1357 };
1358
1359 struct nfs_access_entry;
1360 struct nfs_client;
1361 struct rpc_timeout;
1362 struct nfs_subversion;
1363 struct nfs_mount_info;
1364 struct nfs_client_initdata;
1365 struct nfs_pageio_descriptor;
1366
1367 /*
1368 * RPC procedure vector for NFSv2/NFSv3 demuxing
1369 */
1370 struct nfs_rpc_ops {
1371 u32 version; /* Protocol version */
1372 const struct dentry_operations *dentry_ops;
1373 const struct inode_operations *dir_inode_ops;
1374 const struct inode_operations *file_inode_ops;
1375 const struct file_operations *file_ops;
1376
1377 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1378 struct nfs_fsinfo *);
1379 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1380 struct nfs_fh *, struct nfs_fattr *);
1381 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1382 struct nfs_subversion *);
1383 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1384 struct nfs_fattr *);
1385 int (*setattr) (struct dentry *, struct nfs_fattr *,
1386 struct iattr *);
1387 int (*lookup) (struct inode *, struct qstr *,
1388 struct nfs_fh *, struct nfs_fattr *);
1389 int (*access) (struct inode *, struct nfs_access_entry *);
1390 int (*readlink)(struct inode *, struct page *, unsigned int,
1391 unsigned int);
1392 int (*create) (struct inode *, struct dentry *,
1393 struct iattr *, int);
1394 int (*remove) (struct inode *, struct qstr *);
1395 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1396 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1397 int (*unlink_done) (struct rpc_task *, struct inode *);
1398 int (*rename) (struct inode *, struct qstr *,
1399 struct inode *, struct qstr *);
1400 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1401 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1402 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1403 int (*link) (struct inode *, struct inode *, struct qstr *);
1404 int (*symlink) (struct inode *, struct dentry *, struct page *,
1405 unsigned int, struct iattr *);
1406 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1407 int (*rmdir) (struct inode *, struct qstr *);
1408 int (*readdir) (struct dentry *, struct rpc_cred *,
1409 u64, struct page **, unsigned int, int);
1410 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1411 dev_t);
1412 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1413 struct nfs_fsstat *);
1414 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1415 struct nfs_fsinfo *);
1416 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1417 struct nfs_pathconf *);
1418 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1419 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1420 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1421 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1422 const struct nfs_pgio_completion_ops *);
1423 void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
1424 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1425 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1426 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1427 const struct nfs_pgio_completion_ops *);
1428 void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
1429 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1430 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1431 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1432 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1433 int (*lock)(struct file *, int, struct file_lock *);
1434 int (*lock_check_bounds)(const struct file_lock *);
1435 void (*clear_acl_cache)(struct inode *);
1436 void (*close_context)(struct nfs_open_context *ctx, int);
1437 struct inode * (*open_context) (struct inode *dir,
1438 struct nfs_open_context *ctx,
1439 int open_flags,
1440 struct iattr *iattr);
1441 int (*have_delegation)(struct inode *, fmode_t);
1442 int (*return_delegation)(struct inode *);
1443 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1444 struct nfs_client *
1445 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1446 const char *, rpc_authflavor_t);
1447 void (*free_client) (struct nfs_client *);
1448 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1449 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1450 struct nfs_fattr *, rpc_authflavor_t);
1451 };
1452
1453 /*
1454 * NFS_CALL(getattr, inode, (fattr));
1455 * into
1456 * NFS_PROTO(inode)->getattr(fattr);
1457 */
1458 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1459
1460 /*
1461 * Function vectors etc. for the NFS client
1462 */
1463 extern const struct nfs_rpc_ops nfs_v2_clientops;
1464 extern const struct nfs_rpc_ops nfs_v3_clientops;
1465 extern const struct nfs_rpc_ops nfs_v4_clientops;
1466 extern const struct rpc_version nfs_version2;
1467 extern const struct rpc_version nfs_version3;
1468 extern const struct rpc_version nfs_version4;
1469
1470 extern const struct rpc_version nfsacl_version3;
1471 extern const struct rpc_program nfsacl_program;
1472
1473 #endif
Linux kernel - Deliverables
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