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NFSv4: Record the OPEN create mode used in the nfs4_opendata structure
[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 kuid_t uid;
52 kgid_t 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 struct nfs4_slot;
189 struct nfs4_sequence_args {
190 struct nfs4_slot *sa_slot;
191 u8 sa_cache_this : 1,
192 sa_privileged : 1;
193 };
194
195 struct nfs4_sequence_res {
196 struct nfs4_slot *sr_slot; /* slot used to send request */
197 unsigned long sr_timestamp;
198 int sr_status; /* sequence operation status */
199 u32 sr_status_flags;
200 u32 sr_highest_slotid;
201 u32 sr_target_highest_slotid;
202 };
203
204 struct nfs4_get_lease_time_args {
205 struct nfs4_sequence_args la_seq_args;
206 };
207
208 struct nfs4_get_lease_time_res {
209 struct nfs4_sequence_res lr_seq_res;
210 struct nfs_fsinfo *lr_fsinfo;
211 };
212
213 #define PNFS_LAYOUT_MAXSIZE 4096
214
215 struct nfs4_layoutdriver_data {
216 struct page **pages;
217 __u32 pglen;
218 __u32 len;
219 };
220
221 struct pnfs_layout_range {
222 u32 iomode;
223 u64 offset;
224 u64 length;
225 };
226
227 struct nfs4_layoutget_args {
228 struct nfs4_sequence_args seq_args;
229 __u32 type;
230 struct pnfs_layout_range range;
231 __u64 minlength;
232 __u32 maxcount;
233 struct inode *inode;
234 struct nfs_open_context *ctx;
235 nfs4_stateid stateid;
236 unsigned long timestamp;
237 struct nfs4_layoutdriver_data layout;
238 };
239
240 struct nfs4_layoutget_res {
241 struct nfs4_sequence_res seq_res;
242 __u32 return_on_close;
243 struct pnfs_layout_range range;
244 __u32 type;
245 nfs4_stateid stateid;
246 struct nfs4_layoutdriver_data *layoutp;
247 };
248
249 struct nfs4_layoutget {
250 struct nfs4_layoutget_args args;
251 struct nfs4_layoutget_res res;
252 gfp_t gfp_flags;
253 };
254
255 struct nfs4_getdevicelist_args {
256 struct nfs4_sequence_args seq_args;
257 const struct nfs_fh *fh;
258 u32 layoutclass;
259 };
260
261 struct nfs4_getdevicelist_res {
262 struct nfs4_sequence_res seq_res;
263 struct pnfs_devicelist *devlist;
264 };
265
266 struct nfs4_getdeviceinfo_args {
267 struct nfs4_sequence_args seq_args;
268 struct pnfs_device *pdev;
269 };
270
271 struct nfs4_getdeviceinfo_res {
272 struct nfs4_sequence_res seq_res;
273 struct pnfs_device *pdev;
274 };
275
276 struct nfs4_layoutcommit_args {
277 struct nfs4_sequence_args seq_args;
278 nfs4_stateid stateid;
279 __u64 lastbytewritten;
280 struct inode *inode;
281 const u32 *bitmask;
282 };
283
284 struct nfs4_layoutcommit_res {
285 struct nfs4_sequence_res seq_res;
286 struct nfs_fattr *fattr;
287 const struct nfs_server *server;
288 int status;
289 };
290
291 struct nfs4_layoutcommit_data {
292 struct rpc_task task;
293 struct nfs_fattr fattr;
294 struct list_head lseg_list;
295 struct rpc_cred *cred;
296 struct nfs4_layoutcommit_args args;
297 struct nfs4_layoutcommit_res res;
298 };
299
300 struct nfs4_layoutreturn_args {
301 struct nfs4_sequence_args seq_args;
302 struct pnfs_layout_hdr *layout;
303 struct inode *inode;
304 nfs4_stateid stateid;
305 __u32 layout_type;
306 };
307
308 struct nfs4_layoutreturn_res {
309 struct nfs4_sequence_res seq_res;
310 u32 lrs_present;
311 nfs4_stateid stateid;
312 };
313
314 struct nfs4_layoutreturn {
315 struct nfs4_layoutreturn_args args;
316 struct nfs4_layoutreturn_res res;
317 struct rpc_cred *cred;
318 struct nfs_client *clp;
319 int rpc_status;
320 };
321
322 struct stateowner_id {
323 __u64 create_time;
324 __u32 uniquifier;
325 };
326
327 /*
328 * Arguments to the open call.
329 */
330 struct nfs_openargs {
331 struct nfs4_sequence_args seq_args;
332 const struct nfs_fh * fh;
333 struct nfs_seqid * seqid;
334 int open_flags;
335 fmode_t fmode;
336 u32 access;
337 __u64 clientid;
338 struct stateowner_id id;
339 union {
340 struct {
341 struct iattr * attrs; /* UNCHECKED, GUARDED */
342 nfs4_verifier verifier; /* EXCLUSIVE */
343 };
344 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
345 fmode_t delegation_type; /* CLAIM_PREVIOUS */
346 } u;
347 const struct qstr * name;
348 const struct nfs_server *server; /* Needed for ID mapping */
349 const u32 * bitmask;
350 const u32 * open_bitmap;
351 __u32 claim;
352 enum createmode4 createmode;
353 };
354
355 struct nfs_openres {
356 struct nfs4_sequence_res seq_res;
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 __u32 access_request;
372 __u32 access_supported;
373 __u32 access_result;
374 };
375
376 /*
377 * Arguments to the open_confirm call.
378 */
379 struct nfs_open_confirmargs {
380 const struct nfs_fh * fh;
381 nfs4_stateid * stateid;
382 struct nfs_seqid * seqid;
383 };
384
385 struct nfs_open_confirmres {
386 nfs4_stateid stateid;
387 struct nfs_seqid * seqid;
388 };
389
390 /*
391 * Arguments to the close call.
392 */
393 struct nfs_closeargs {
394 struct nfs4_sequence_args seq_args;
395 struct nfs_fh * fh;
396 nfs4_stateid * stateid;
397 struct nfs_seqid * seqid;
398 fmode_t fmode;
399 const u32 * bitmask;
400 };
401
402 struct nfs_closeres {
403 struct nfs4_sequence_res seq_res;
404 nfs4_stateid stateid;
405 struct nfs_fattr * fattr;
406 struct nfs_seqid * seqid;
407 const struct nfs_server *server;
408 };
409 /*
410 * * Arguments to the lock,lockt, and locku call.
411 * */
412 struct nfs_lowner {
413 __u64 clientid;
414 __u64 id;
415 dev_t s_dev;
416 };
417
418 struct nfs_lock_args {
419 struct nfs4_sequence_args seq_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 };
431
432 struct nfs_lock_res {
433 struct nfs4_sequence_res seq_res;
434 nfs4_stateid stateid;
435 struct nfs_seqid * lock_seqid;
436 struct nfs_seqid * open_seqid;
437 };
438
439 struct nfs_locku_args {
440 struct nfs4_sequence_args seq_args;
441 struct nfs_fh * fh;
442 struct file_lock * fl;
443 struct nfs_seqid * seqid;
444 nfs4_stateid * stateid;
445 };
446
447 struct nfs_locku_res {
448 struct nfs4_sequence_res seq_res;
449 nfs4_stateid stateid;
450 struct nfs_seqid * seqid;
451 };
452
453 struct nfs_lockt_args {
454 struct nfs4_sequence_args seq_args;
455 struct nfs_fh * fh;
456 struct file_lock * fl;
457 struct nfs_lowner lock_owner;
458 };
459
460 struct nfs_lockt_res {
461 struct nfs4_sequence_res seq_res;
462 struct file_lock * denied; /* LOCK, LOCKT failed */
463 };
464
465 struct nfs_release_lockowner_args {
466 struct nfs_lowner lock_owner;
467 };
468
469 struct nfs4_delegreturnargs {
470 struct nfs4_sequence_args seq_args;
471 const struct nfs_fh *fhandle;
472 const nfs4_stateid *stateid;
473 const u32 * bitmask;
474 };
475
476 struct nfs4_delegreturnres {
477 struct nfs4_sequence_res seq_res;
478 struct nfs_fattr * fattr;
479 const struct nfs_server *server;
480 };
481
482 /*
483 * Arguments to the read call.
484 */
485 struct nfs_readargs {
486 struct nfs4_sequence_args seq_args;
487 struct nfs_fh * fh;
488 struct nfs_open_context *context;
489 struct nfs_lock_context *lock_context;
490 nfs4_stateid stateid;
491 __u64 offset;
492 __u32 count;
493 unsigned int pgbase;
494 struct page ** pages;
495 };
496
497 struct nfs_readres {
498 struct nfs4_sequence_res seq_res;
499 struct nfs_fattr * fattr;
500 __u32 count;
501 int eof;
502 };
503
504 /*
505 * Arguments to the write call.
506 */
507 struct nfs_writeargs {
508 struct nfs4_sequence_args seq_args;
509 struct nfs_fh * fh;
510 struct nfs_open_context *context;
511 struct nfs_lock_context *lock_context;
512 nfs4_stateid stateid;
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 };
520
521 struct nfs_write_verifier {
522 char data[8];
523 };
524
525 struct nfs_writeverf {
526 struct nfs_write_verifier verifier;
527 enum nfs3_stable_how committed;
528 };
529
530 struct nfs_writeres {
531 struct nfs4_sequence_res seq_res;
532 struct nfs_fattr * fattr;
533 struct nfs_writeverf * verf;
534 __u32 count;
535 const struct nfs_server *server;
536 };
537
538 /*
539 * Arguments to the commit call.
540 */
541 struct nfs_commitargs {
542 struct nfs4_sequence_args seq_args;
543 struct nfs_fh *fh;
544 __u64 offset;
545 __u32 count;
546 const u32 *bitmask;
547 };
548
549 struct nfs_commitres {
550 struct nfs4_sequence_res seq_res;
551 struct nfs_fattr *fattr;
552 struct nfs_writeverf *verf;
553 const struct nfs_server *server;
554 };
555
556 /*
557 * Common arguments to the unlink call
558 */
559 struct nfs_removeargs {
560 struct nfs4_sequence_args seq_args;
561 const struct nfs_fh *fh;
562 struct qstr name;
563 };
564
565 struct nfs_removeres {
566 struct nfs4_sequence_res seq_res;
567 const struct nfs_server *server;
568 struct nfs_fattr *dir_attr;
569 struct nfs4_change_info cinfo;
570 };
571
572 /*
573 * Common arguments to the rename call
574 */
575 struct nfs_renameargs {
576 struct nfs4_sequence_args seq_args;
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 };
582
583 struct nfs_renameres {
584 struct nfs4_sequence_res seq_res;
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 };
591
592 /*
593 * Argument struct for decode_entry function
594 */
595 struct nfs_entry {
596 __u64 ino;
597 __u64 cookie,
598 prev_cookie;
599 const char * name;
600 unsigned int len;
601 int eof;
602 struct nfs_fh * fh;
603 struct nfs_fattr * fattr;
604 unsigned char d_type;
605 struct nfs_server * server;
606 };
607
608 /*
609 * The following types are for NFSv2 only.
610 */
611 struct nfs_sattrargs {
612 struct nfs_fh * fh;
613 struct iattr * sattr;
614 };
615
616 struct nfs_diropargs {
617 struct nfs_fh * fh;
618 const char * name;
619 unsigned int len;
620 };
621
622 struct nfs_createargs {
623 struct nfs_fh * fh;
624 const char * name;
625 unsigned int len;
626 struct iattr * sattr;
627 };
628
629 struct nfs_setattrargs {
630 struct nfs4_sequence_args seq_args;
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 };
637
638 struct nfs_setaclargs {
639 struct nfs4_sequence_args seq_args;
640 struct nfs_fh * fh;
641 size_t acl_len;
642 unsigned int acl_pgbase;
643 struct page ** acl_pages;
644 };
645
646 struct nfs_setaclres {
647 struct nfs4_sequence_res seq_res;
648 };
649
650 struct nfs_getaclargs {
651 struct nfs4_sequence_args seq_args;
652 struct nfs_fh * fh;
653 size_t acl_len;
654 unsigned int acl_pgbase;
655 struct page ** acl_pages;
656 };
657
658 /* getxattr ACL interface flags */
659 #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
660 struct nfs_getaclres {
661 struct nfs4_sequence_res seq_res;
662 size_t acl_len;
663 size_t acl_data_offset;
664 int acl_flags;
665 struct page * acl_scratch;
666 };
667
668 struct nfs_setattrres {
669 struct nfs4_sequence_res seq_res;
670 struct nfs_fattr * fattr;
671 const struct nfs_server * server;
672 };
673
674 struct nfs_linkargs {
675 struct nfs_fh * fromfh;
676 struct nfs_fh * tofh;
677 const char * toname;
678 unsigned int tolen;
679 };
680
681 struct nfs_symlinkargs {
682 struct nfs_fh * fromfh;
683 const char * fromname;
684 unsigned int fromlen;
685 struct page ** pages;
686 unsigned int pathlen;
687 struct iattr * sattr;
688 };
689
690 struct nfs_readdirargs {
691 struct nfs_fh * fh;
692 __u32 cookie;
693 unsigned int count;
694 struct page ** pages;
695 };
696
697 struct nfs3_getaclargs {
698 struct nfs_fh * fh;
699 int mask;
700 struct page ** pages;
701 };
702
703 struct nfs3_setaclargs {
704 struct inode * inode;
705 int mask;
706 struct posix_acl * acl_access;
707 struct posix_acl * acl_default;
708 size_t len;
709 unsigned int npages;
710 struct page ** pages;
711 };
712
713 struct nfs_diropok {
714 struct nfs_fh * fh;
715 struct nfs_fattr * fattr;
716 };
717
718 struct nfs_readlinkargs {
719 struct nfs_fh * fh;
720 unsigned int pgbase;
721 unsigned int pglen;
722 struct page ** pages;
723 };
724
725 struct nfs3_sattrargs {
726 struct nfs_fh * fh;
727 struct iattr * sattr;
728 unsigned int guard;
729 struct timespec guardtime;
730 };
731
732 struct nfs3_diropargs {
733 struct nfs_fh * fh;
734 const char * name;
735 unsigned int len;
736 };
737
738 struct nfs3_accessargs {
739 struct nfs_fh * fh;
740 __u32 access;
741 };
742
743 struct nfs3_createargs {
744 struct nfs_fh * fh;
745 const char * name;
746 unsigned int len;
747 struct iattr * sattr;
748 enum nfs3_createmode createmode;
749 __be32 verifier[2];
750 };
751
752 struct nfs3_mkdirargs {
753 struct nfs_fh * fh;
754 const char * name;
755 unsigned int len;
756 struct iattr * sattr;
757 };
758
759 struct nfs3_symlinkargs {
760 struct nfs_fh * fromfh;
761 const char * fromname;
762 unsigned int fromlen;
763 struct page ** pages;
764 unsigned int pathlen;
765 struct iattr * sattr;
766 };
767
768 struct nfs3_mknodargs {
769 struct nfs_fh * fh;
770 const char * name;
771 unsigned int len;
772 enum nfs3_ftype type;
773 struct iattr * sattr;
774 dev_t rdev;
775 };
776
777 struct nfs3_linkargs {
778 struct nfs_fh * fromfh;
779 struct nfs_fh * tofh;
780 const char * toname;
781 unsigned int tolen;
782 };
783
784 struct nfs3_readdirargs {
785 struct nfs_fh * fh;
786 __u64 cookie;
787 __be32 verf[2];
788 int plus;
789 unsigned int count;
790 struct page ** pages;
791 };
792
793 struct nfs3_diropres {
794 struct nfs_fattr * dir_attr;
795 struct nfs_fh * fh;
796 struct nfs_fattr * fattr;
797 };
798
799 struct nfs3_accessres {
800 struct nfs_fattr * fattr;
801 __u32 access;
802 };
803
804 struct nfs3_readlinkargs {
805 struct nfs_fh * fh;
806 unsigned int pgbase;
807 unsigned int pglen;
808 struct page ** pages;
809 };
810
811 struct nfs3_linkres {
812 struct nfs_fattr * dir_attr;
813 struct nfs_fattr * fattr;
814 };
815
816 struct nfs3_readdirres {
817 struct nfs_fattr * dir_attr;
818 __be32 * verf;
819 int plus;
820 };
821
822 struct nfs3_getaclres {
823 struct nfs_fattr * fattr;
824 int mask;
825 unsigned int acl_access_count;
826 unsigned int acl_default_count;
827 struct posix_acl * acl_access;
828 struct posix_acl * acl_default;
829 };
830
831 #if IS_ENABLED(CONFIG_NFS_V4)
832
833 typedef u64 clientid4;
834
835 struct nfs4_accessargs {
836 struct nfs4_sequence_args seq_args;
837 const struct nfs_fh * fh;
838 const u32 * bitmask;
839 u32 access;
840 };
841
842 struct nfs4_accessres {
843 struct nfs4_sequence_res seq_res;
844 const struct nfs_server * server;
845 struct nfs_fattr * fattr;
846 u32 supported;
847 u32 access;
848 };
849
850 struct nfs4_create_arg {
851 struct nfs4_sequence_args seq_args;
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 };
869
870 struct nfs4_create_res {
871 struct nfs4_sequence_res seq_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 };
877
878 struct nfs4_fsinfo_arg {
879 struct nfs4_sequence_args seq_args;
880 const struct nfs_fh * fh;
881 const u32 * bitmask;
882 };
883
884 struct nfs4_fsinfo_res {
885 struct nfs4_sequence_res seq_res;
886 struct nfs_fsinfo *fsinfo;
887 };
888
889 struct nfs4_getattr_arg {
890 struct nfs4_sequence_args seq_args;
891 const struct nfs_fh * fh;
892 const u32 * bitmask;
893 };
894
895 struct nfs4_getattr_res {
896 struct nfs4_sequence_res seq_res;
897 const struct nfs_server * server;
898 struct nfs_fattr * fattr;
899 };
900
901 struct nfs4_link_arg {
902 struct nfs4_sequence_args seq_args;
903 const struct nfs_fh * fh;
904 const struct nfs_fh * dir_fh;
905 const struct qstr * name;
906 const u32 * bitmask;
907 };
908
909 struct nfs4_link_res {
910 struct nfs4_sequence_res seq_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 };
916
917
918 struct nfs4_lookup_arg {
919 struct nfs4_sequence_args seq_args;
920 const struct nfs_fh * dir_fh;
921 const struct qstr * name;
922 const u32 * bitmask;
923 };
924
925 struct nfs4_lookup_res {
926 struct nfs4_sequence_res seq_res;
927 const struct nfs_server * server;
928 struct nfs_fattr * fattr;
929 struct nfs_fh * fh;
930 };
931
932 struct nfs4_lookup_root_arg {
933 struct nfs4_sequence_args seq_args;
934 const u32 * bitmask;
935 };
936
937 struct nfs4_pathconf_arg {
938 struct nfs4_sequence_args seq_args;
939 const struct nfs_fh * fh;
940 const u32 * bitmask;
941 };
942
943 struct nfs4_pathconf_res {
944 struct nfs4_sequence_res seq_res;
945 struct nfs_pathconf *pathconf;
946 };
947
948 struct nfs4_readdir_arg {
949 struct nfs4_sequence_args seq_args;
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 };
959
960 struct nfs4_readdir_res {
961 struct nfs4_sequence_res seq_res;
962 nfs4_verifier verifier;
963 unsigned int pgbase;
964 };
965
966 struct nfs4_readlink {
967 struct nfs4_sequence_args seq_args;
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 };
973
974 struct nfs4_readlink_res {
975 struct nfs4_sequence_res seq_res;
976 };
977
978 #define NFS4_SETCLIENTID_NAMELEN (127)
979 struct nfs4_setclientid {
980 const nfs4_verifier * sc_verifier;
981 unsigned int sc_name_len;
982 char sc_name[NFS4_SETCLIENTID_NAMELEN + 1];
983 u32 sc_prog;
984 unsigned int sc_netid_len;
985 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
986 unsigned int sc_uaddr_len;
987 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
988 u32 sc_cb_ident;
989 };
990
991 struct nfs4_setclientid_res {
992 u64 clientid;
993 nfs4_verifier confirm;
994 };
995
996 struct nfs4_statfs_arg {
997 struct nfs4_sequence_args seq_args;
998 const struct nfs_fh * fh;
999 const u32 * bitmask;
1000 };
1001
1002 struct nfs4_statfs_res {
1003 struct nfs4_sequence_res seq_res;
1004 struct nfs_fsstat *fsstat;
1005 };
1006
1007 struct nfs4_server_caps_arg {
1008 struct nfs4_sequence_args seq_args;
1009 struct nfs_fh *fhandle;
1010 };
1011
1012 struct nfs4_server_caps_res {
1013 struct nfs4_sequence_res seq_res;
1014 u32 attr_bitmask[3];
1015 u32 acl_bitmask;
1016 u32 has_links;
1017 u32 has_symlinks;
1018 u32 fh_expire_type;
1019 };
1020
1021 #define NFS4_PATHNAME_MAXCOMPONENTS 512
1022 struct nfs4_pathname {
1023 unsigned int ncomponents;
1024 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1025 };
1026
1027 #define NFS4_FS_LOCATION_MAXSERVERS 10
1028 struct nfs4_fs_location {
1029 unsigned int nservers;
1030 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1031 struct nfs4_pathname rootpath;
1032 };
1033
1034 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
1035 struct nfs4_fs_locations {
1036 struct nfs_fattr fattr;
1037 const struct nfs_server *server;
1038 struct nfs4_pathname fs_path;
1039 int nlocations;
1040 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1041 };
1042
1043 struct nfs4_fs_locations_arg {
1044 struct nfs4_sequence_args seq_args;
1045 const struct nfs_fh *dir_fh;
1046 const struct qstr *name;
1047 struct page *page;
1048 const u32 *bitmask;
1049 };
1050
1051 struct nfs4_fs_locations_res {
1052 struct nfs4_sequence_res seq_res;
1053 struct nfs4_fs_locations *fs_locations;
1054 };
1055
1056 struct nfs4_secinfo_oid {
1057 unsigned int len;
1058 char data[GSS_OID_MAX_LEN];
1059 };
1060
1061 struct nfs4_secinfo_gss {
1062 struct nfs4_secinfo_oid sec_oid4;
1063 unsigned int qop4;
1064 unsigned int service;
1065 };
1066
1067 struct nfs4_secinfo_flavor {
1068 unsigned int flavor;
1069 struct nfs4_secinfo_gss gss;
1070 };
1071
1072 struct nfs4_secinfo_flavors {
1073 unsigned int num_flavors;
1074 struct nfs4_secinfo_flavor flavors[0];
1075 };
1076
1077 struct nfs4_secinfo_arg {
1078 struct nfs4_sequence_args seq_args;
1079 const struct nfs_fh *dir_fh;
1080 const struct qstr *name;
1081 };
1082
1083 struct nfs4_secinfo_res {
1084 struct nfs4_sequence_res seq_res;
1085 struct nfs4_secinfo_flavors *flavors;
1086 };
1087
1088 #endif /* CONFIG_NFS_V4 */
1089
1090 struct nfstime4 {
1091 u64 seconds;
1092 u32 nseconds;
1093 };
1094
1095 #ifdef CONFIG_NFS_V4_1
1096
1097 struct pnfs_commit_bucket {
1098 struct list_head written;
1099 struct list_head committing;
1100 struct pnfs_layout_segment *wlseg;
1101 struct pnfs_layout_segment *clseg;
1102 };
1103
1104 struct pnfs_ds_commit_info {
1105 int nwritten;
1106 int ncommitting;
1107 int nbuckets;
1108 struct pnfs_commit_bucket *buckets;
1109 };
1110
1111 #define NFS4_EXCHANGE_ID_LEN (48)
1112 struct nfs41_exchange_id_args {
1113 struct nfs_client *client;
1114 nfs4_verifier *verifier;
1115 unsigned int id_len;
1116 char id[NFS4_EXCHANGE_ID_LEN];
1117 u32 flags;
1118 };
1119
1120 struct nfs41_server_owner {
1121 uint64_t minor_id;
1122 uint32_t major_id_sz;
1123 char major_id[NFS4_OPAQUE_LIMIT];
1124 };
1125
1126 struct nfs41_server_scope {
1127 uint32_t server_scope_sz;
1128 char server_scope[NFS4_OPAQUE_LIMIT];
1129 };
1130
1131 struct nfs41_impl_id {
1132 char domain[NFS4_OPAQUE_LIMIT + 1];
1133 char name[NFS4_OPAQUE_LIMIT + 1];
1134 struct nfstime4 date;
1135 };
1136
1137 struct nfs41_bind_conn_to_session_res {
1138 struct nfs4_session *session;
1139 u32 dir;
1140 bool use_conn_in_rdma_mode;
1141 };
1142
1143 struct nfs41_exchange_id_res {
1144 u64 clientid;
1145 u32 seqid;
1146 u32 flags;
1147 struct nfs41_server_owner *server_owner;
1148 struct nfs41_server_scope *server_scope;
1149 struct nfs41_impl_id *impl_id;
1150 };
1151
1152 struct nfs41_create_session_args {
1153 struct nfs_client *client;
1154 uint32_t flags;
1155 uint32_t cb_program;
1156 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1157 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1158 };
1159
1160 struct nfs41_create_session_res {
1161 struct nfs_client *client;
1162 };
1163
1164 struct nfs41_reclaim_complete_args {
1165 struct nfs4_sequence_args seq_args;
1166 /* In the future extend to include curr_fh for use with migration */
1167 unsigned char one_fs:1;
1168 };
1169
1170 struct nfs41_reclaim_complete_res {
1171 struct nfs4_sequence_res seq_res;
1172 };
1173
1174 #define SECINFO_STYLE_CURRENT_FH 0
1175 #define SECINFO_STYLE_PARENT 1
1176 struct nfs41_secinfo_no_name_args {
1177 struct nfs4_sequence_args seq_args;
1178 int style;
1179 };
1180
1181 struct nfs41_test_stateid_args {
1182 struct nfs4_sequence_args seq_args;
1183 nfs4_stateid *stateid;
1184 };
1185
1186 struct nfs41_test_stateid_res {
1187 struct nfs4_sequence_res seq_res;
1188 unsigned int status;
1189 };
1190
1191 struct nfs41_free_stateid_args {
1192 struct nfs4_sequence_args seq_args;
1193 nfs4_stateid *stateid;
1194 };
1195
1196 struct nfs41_free_stateid_res {
1197 struct nfs4_sequence_res seq_res;
1198 unsigned int status;
1199 };
1200
1201 #else
1202
1203 struct pnfs_ds_commit_info {
1204 };
1205
1206 #endif /* CONFIG_NFS_V4_1 */
1207
1208 struct nfs_page;
1209
1210 #define NFS_PAGEVEC_SIZE (8U)
1211
1212 struct nfs_page_array {
1213 struct page **pagevec;
1214 unsigned int npages; /* Max length of pagevec */
1215 struct page *page_array[NFS_PAGEVEC_SIZE];
1216 };
1217
1218 struct nfs_read_data {
1219 struct nfs_pgio_header *header;
1220 struct list_head list;
1221 struct rpc_task task;
1222 struct nfs_fattr fattr; /* fattr storage */
1223 struct nfs_readargs args;
1224 struct nfs_readres res;
1225 unsigned long timestamp; /* For lease renewal */
1226 int (*read_done_cb) (struct rpc_task *task, struct nfs_read_data *data);
1227 __u64 mds_offset;
1228 struct nfs_page_array pages;
1229 struct nfs_client *ds_clp; /* pNFS data server */
1230 };
1231
1232 /* used as flag bits in nfs_pgio_header */
1233 enum {
1234 NFS_IOHDR_ERROR = 0,
1235 NFS_IOHDR_EOF,
1236 NFS_IOHDR_REDO,
1237 NFS_IOHDR_NEED_COMMIT,
1238 NFS_IOHDR_NEED_RESCHED,
1239 };
1240
1241 struct nfs_pgio_header {
1242 struct inode *inode;
1243 struct rpc_cred *cred;
1244 struct list_head pages;
1245 struct list_head rpc_list;
1246 atomic_t refcnt;
1247 struct nfs_page *req;
1248 struct nfs_writeverf *verf;
1249 struct pnfs_layout_segment *lseg;
1250 loff_t io_start;
1251 const struct rpc_call_ops *mds_ops;
1252 void (*release) (struct nfs_pgio_header *hdr);
1253 const struct nfs_pgio_completion_ops *completion_ops;
1254 struct nfs_direct_req *dreq;
1255 void *layout_private;
1256 spinlock_t lock;
1257 /* fields protected by lock */
1258 int pnfs_error;
1259 int error; /* merge with pnfs_error */
1260 unsigned long good_bytes; /* boundary of good data */
1261 unsigned long flags;
1262 };
1263
1264 struct nfs_read_header {
1265 struct nfs_pgio_header header;
1266 struct nfs_read_data rpc_data;
1267 };
1268
1269 struct nfs_write_data {
1270 struct nfs_pgio_header *header;
1271 struct list_head list;
1272 struct rpc_task task;
1273 struct nfs_fattr fattr;
1274 struct nfs_writeverf verf;
1275 struct nfs_writeargs args; /* argument struct */
1276 struct nfs_writeres res; /* result struct */
1277 unsigned long timestamp; /* For lease renewal */
1278 int (*write_done_cb) (struct rpc_task *task, struct nfs_write_data *data);
1279 __u64 mds_offset; /* Filelayout dense stripe */
1280 struct nfs_page_array pages;
1281 struct nfs_client *ds_clp; /* pNFS data server */
1282 };
1283
1284 struct nfs_write_header {
1285 struct nfs_pgio_header header;
1286 struct nfs_write_data rpc_data;
1287 struct nfs_writeverf verf;
1288 };
1289
1290 struct nfs_mds_commit_info {
1291 atomic_t rpcs_out;
1292 unsigned long ncommit;
1293 struct list_head list;
1294 };
1295
1296 struct nfs_commit_data;
1297 struct nfs_inode;
1298 struct nfs_commit_completion_ops {
1299 void (*error_cleanup) (struct nfs_inode *nfsi);
1300 void (*completion) (struct nfs_commit_data *data);
1301 };
1302
1303 struct nfs_commit_info {
1304 spinlock_t *lock;
1305 struct nfs_mds_commit_info *mds;
1306 struct pnfs_ds_commit_info *ds;
1307 struct nfs_direct_req *dreq; /* O_DIRECT request */
1308 const struct nfs_commit_completion_ops *completion_ops;
1309 };
1310
1311 struct nfs_commit_data {
1312 struct rpc_task task;
1313 struct inode *inode;
1314 struct rpc_cred *cred;
1315 struct nfs_fattr fattr;
1316 struct nfs_writeverf verf;
1317 struct list_head pages; /* Coalesced requests we wish to flush */
1318 struct list_head list; /* lists of struct nfs_write_data */
1319 struct nfs_direct_req *dreq; /* O_DIRECT request */
1320 struct nfs_commitargs args; /* argument struct */
1321 struct nfs_commitres res; /* result struct */
1322 struct nfs_open_context *context;
1323 struct pnfs_layout_segment *lseg;
1324 struct nfs_client *ds_clp; /* pNFS data server */
1325 int ds_commit_index;
1326 const struct rpc_call_ops *mds_ops;
1327 const struct nfs_commit_completion_ops *completion_ops;
1328 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1329 };
1330
1331 struct nfs_pgio_completion_ops {
1332 void (*error_cleanup)(struct list_head *head);
1333 void (*init_hdr)(struct nfs_pgio_header *hdr);
1334 void (*completion)(struct nfs_pgio_header *hdr);
1335 };
1336
1337 struct nfs_unlinkdata {
1338 struct hlist_node list;
1339 struct nfs_removeargs args;
1340 struct nfs_removeres res;
1341 struct inode *dir;
1342 struct rpc_cred *cred;
1343 struct nfs_fattr dir_attr;
1344 };
1345
1346 struct nfs_renamedata {
1347 struct nfs_renameargs args;
1348 struct nfs_renameres res;
1349 struct rpc_cred *cred;
1350 struct inode *old_dir;
1351 struct dentry *old_dentry;
1352 struct nfs_fattr old_fattr;
1353 struct inode *new_dir;
1354 struct dentry *new_dentry;
1355 struct nfs_fattr new_fattr;
1356 };
1357
1358 struct nfs_access_entry;
1359 struct nfs_client;
1360 struct rpc_timeout;
1361 struct nfs_subversion;
1362 struct nfs_mount_info;
1363 struct nfs_client_initdata;
1364 struct nfs_pageio_descriptor;
1365
1366 /*
1367 * RPC procedure vector for NFSv2/NFSv3 demuxing
1368 */
1369 struct nfs_rpc_ops {
1370 u32 version; /* Protocol version */
1371 const struct dentry_operations *dentry_ops;
1372 const struct inode_operations *dir_inode_ops;
1373 const struct inode_operations *file_inode_ops;
1374 const struct file_operations *file_ops;
1375
1376 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1377 struct nfs_fsinfo *);
1378 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1379 struct nfs_fh *, struct nfs_fattr *);
1380 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1381 struct nfs_subversion *);
1382 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1383 struct nfs_fattr *);
1384 int (*setattr) (struct dentry *, struct nfs_fattr *,
1385 struct iattr *);
1386 int (*lookup) (struct inode *, struct qstr *,
1387 struct nfs_fh *, struct nfs_fattr *);
1388 int (*access) (struct inode *, struct nfs_access_entry *);
1389 int (*readlink)(struct inode *, struct page *, unsigned int,
1390 unsigned int);
1391 int (*create) (struct inode *, struct dentry *,
1392 struct iattr *, int);
1393 int (*remove) (struct inode *, struct qstr *);
1394 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1395 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1396 int (*unlink_done) (struct rpc_task *, struct inode *);
1397 int (*rename) (struct inode *, struct qstr *,
1398 struct inode *, struct qstr *);
1399 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1400 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1401 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1402 int (*link) (struct inode *, struct inode *, struct qstr *);
1403 int (*symlink) (struct inode *, struct dentry *, struct page *,
1404 unsigned int, struct iattr *);
1405 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1406 int (*rmdir) (struct inode *, struct qstr *);
1407 int (*readdir) (struct dentry *, struct rpc_cred *,
1408 u64, struct page **, unsigned int, int);
1409 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1410 dev_t);
1411 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1412 struct nfs_fsstat *);
1413 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1414 struct nfs_fsinfo *);
1415 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1416 struct nfs_pathconf *);
1417 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1418 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1419 void (*read_setup) (struct nfs_read_data *, struct rpc_message *);
1420 void (*read_pageio_init)(struct nfs_pageio_descriptor *, struct inode *,
1421 const struct nfs_pgio_completion_ops *);
1422 void (*read_rpc_prepare)(struct rpc_task *, struct nfs_read_data *);
1423 int (*read_done) (struct rpc_task *, struct nfs_read_data *);
1424 void (*write_setup) (struct nfs_write_data *, struct rpc_message *);
1425 void (*write_pageio_init)(struct nfs_pageio_descriptor *, struct inode *, int,
1426 const struct nfs_pgio_completion_ops *);
1427 void (*write_rpc_prepare)(struct rpc_task *, struct nfs_write_data *);
1428 int (*write_done) (struct rpc_task *, struct nfs_write_data *);
1429 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1430 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1431 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1432 int (*lock)(struct file *, int, struct file_lock *);
1433 int (*lock_check_bounds)(const struct file_lock *);
1434 void (*clear_acl_cache)(struct inode *);
1435 void (*close_context)(struct nfs_open_context *ctx, int);
1436 struct inode * (*open_context) (struct inode *dir,
1437 struct nfs_open_context *ctx,
1438 int open_flags,
1439 struct iattr *iattr);
1440 int (*have_delegation)(struct inode *, fmode_t);
1441 int (*return_delegation)(struct inode *);
1442 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1443 struct nfs_client *
1444 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1445 const char *, rpc_authflavor_t);
1446 void (*free_client) (struct nfs_client *);
1447 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1448 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1449 struct nfs_fattr *, rpc_authflavor_t);
1450 };
1451
1452 /*
1453 * NFS_CALL(getattr, inode, (fattr));
1454 * into
1455 * NFS_PROTO(inode)->getattr(fattr);
1456 */
1457 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1458
1459 /*
1460 * Function vectors etc. for the NFS client
1461 */
1462 extern const struct nfs_rpc_ops nfs_v2_clientops;
1463 extern const struct nfs_rpc_ops nfs_v3_clientops;
1464 extern const struct nfs_rpc_ops nfs_v4_clientops;
1465 extern const struct rpc_version nfs_version2;
1466 extern const struct rpc_version nfs_version3;
1467 extern const struct rpc_version nfs_version4;
1468
1469 extern const struct rpc_version nfsacl_version3;
1470 extern const struct rpc_program nfsacl_program;
1471
1472 #endif
Linux kernel - Deliverables
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