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