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gpio: tc3589x: use static container helper
[linux/fpc-iii.git] / include / linux / nfs_xdr.h
blob7bbe50504211d65cc096baa8bc6d45e2e9449125
1 #ifndef _LINUX_NFS_XDR_H
2 #define _LINUX_NFS_XDR_H
3
4 #include <linux/nfsacl.h>
5 #include <linux/sunrpc/gss_api.h>
6
7 /*
8 * To change the maximum rsize and wsize supported by the NFS client, adjust
9 * NFS_MAX_FILE_IO_SIZE. 64KB is a typical maximum, but some servers can
10 * support a megabyte or more. The default is left at 4096 bytes, which is
11 * reasonable for NFS over UDP.
12 */
13 #define NFS_MAX_FILE_IO_SIZE (1048576U)
14 #define NFS_DEF_FILE_IO_SIZE (4096U)
15 #define NFS_MIN_FILE_IO_SIZE (1024U)
16
17 struct nfs4_string {
18 unsigned int len;
19 char *data;
20 };
21
22 struct nfs_fsid {
23 uint64_t major;
24 uint64_t minor;
25 };
26
27 /*
28 * Helper for checking equality between 2 fsids.
29 */
30 static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
31 {
32 return a->major == b->major && a->minor == b->minor;
33 }
34
35 struct nfs4_threshold {
36 __u32 bm;
37 __u32 l_type;
38 __u64 rd_sz;
39 __u64 wr_sz;
40 __u64 rd_io_sz;
41 __u64 wr_io_sz;
42 };
43
44 struct nfs_fattr {
45 unsigned int valid; /* which fields are valid */
46 umode_t mode;
47 __u32 nlink;
48 kuid_t uid;
49 kgid_t gid;
50 dev_t rdev;
51 __u64 size;
52 union {
53 struct {
54 __u32 blocksize;
55 __u32 blocks;
56 } nfs2;
57 struct {
58 __u64 used;
59 } nfs3;
60 } du;
61 struct nfs_fsid fsid;
62 __u64 fileid;
63 __u64 mounted_on_fileid;
64 struct timespec atime;
65 struct timespec mtime;
66 struct timespec ctime;
67 __u64 change_attr; /* NFSv4 change attribute */
68 __u64 pre_change_attr;/* pre-op NFSv4 change attribute */
69 __u64 pre_size; /* pre_op_attr.size */
70 struct timespec pre_mtime; /* pre_op_attr.mtime */
71 struct timespec pre_ctime; /* pre_op_attr.ctime */
72 unsigned long time_start;
73 unsigned long gencount;
74 struct nfs4_string *owner_name;
75 struct nfs4_string *group_name;
76 struct nfs4_threshold *mdsthreshold; /* pNFS threshold hints */
77 };
78
79 #define NFS_ATTR_FATTR_TYPE (1U << 0)
80 #define NFS_ATTR_FATTR_MODE (1U << 1)
81 #define NFS_ATTR_FATTR_NLINK (1U << 2)
82 #define NFS_ATTR_FATTR_OWNER (1U << 3)
83 #define NFS_ATTR_FATTR_GROUP (1U << 4)
84 #define NFS_ATTR_FATTR_RDEV (1U << 5)
85 #define NFS_ATTR_FATTR_SIZE (1U << 6)
86 #define NFS_ATTR_FATTR_PRESIZE (1U << 7)
87 #define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
88 #define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
89 #define NFS_ATTR_FATTR_FSID (1U << 10)
90 #define NFS_ATTR_FATTR_FILEID (1U << 11)
91 #define NFS_ATTR_FATTR_ATIME (1U << 12)
92 #define NFS_ATTR_FATTR_MTIME (1U << 13)
93 #define NFS_ATTR_FATTR_CTIME (1U << 14)
94 #define NFS_ATTR_FATTR_PREMTIME (1U << 15)
95 #define NFS_ATTR_FATTR_PRECTIME (1U << 16)
96 #define NFS_ATTR_FATTR_CHANGE (1U << 17)
97 #define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
98 #define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
99 #define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
100 #define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
101 #define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
102 #define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
103 #define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
104 #define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
105
106 #define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
107 | NFS_ATTR_FATTR_MODE \
108 | NFS_ATTR_FATTR_NLINK \
109 | NFS_ATTR_FATTR_OWNER \
110 | NFS_ATTR_FATTR_GROUP \
111 | NFS_ATTR_FATTR_RDEV \
112 | NFS_ATTR_FATTR_SIZE \
113 | NFS_ATTR_FATTR_FSID \
114 | NFS_ATTR_FATTR_FILEID \
115 | NFS_ATTR_FATTR_ATIME \
116 | NFS_ATTR_FATTR_MTIME \
117 | NFS_ATTR_FATTR_CTIME \
118 | NFS_ATTR_FATTR_CHANGE)
119 #define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
120 | NFS_ATTR_FATTR_BLOCKS_USED)
121 #define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
122 | NFS_ATTR_FATTR_SPACE_USED)
123 #define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
124 | NFS_ATTR_FATTR_SPACE_USED \
125 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
126
127 /*
128 * Info on the file system
129 */
130 struct nfs_fsinfo {
131 struct nfs_fattr *fattr; /* Post-op attributes */
132 __u32 rtmax; /* max. read transfer size */
133 __u32 rtpref; /* pref. read transfer size */
134 __u32 rtmult; /* reads should be multiple of this */
135 __u32 wtmax; /* max. write transfer size */
136 __u32 wtpref; /* pref. write transfer size */
137 __u32 wtmult; /* writes should be multiple of this */
138 __u32 dtpref; /* pref. readdir transfer size */
139 __u64 maxfilesize;
140 struct timespec time_delta; /* server time granularity */
141 __u32 lease_time; /* in seconds */
142 __u32 layouttype; /* supported pnfs layout driver */
143 __u32 blksize; /* preferred pnfs io block size */
144 };
145
146 struct nfs_fsstat {
147 struct nfs_fattr *fattr; /* Post-op attributes */
148 __u64 tbytes; /* total size in bytes */
149 __u64 fbytes; /* # of free bytes */
150 __u64 abytes; /* # of bytes available to user */
151 __u64 tfiles; /* # of files */
152 __u64 ffiles; /* # of free files */
153 __u64 afiles; /* # of files available to user */
154 };
155
156 struct nfs2_fsstat {
157 __u32 tsize; /* Server transfer size */
158 __u32 bsize; /* Filesystem block size */
159 __u32 blocks; /* No. of "bsize" blocks on filesystem */
160 __u32 bfree; /* No. of free "bsize" blocks */
161 __u32 bavail; /* No. of available "bsize" blocks */
162 };
163
164 struct nfs_pathconf {
165 struct nfs_fattr *fattr; /* Post-op attributes */
166 __u32 max_link; /* max # of hard links */
167 __u32 max_namelen; /* max name length */
168 };
169
170 struct nfs4_change_info {
171 u32 atomic;
172 u64 before;
173 u64 after;
174 };
175
176 struct nfs_seqid;
177
178 /* nfs41 sessions channel attributes */
179 struct nfs4_channel_attrs {
180 u32 max_rqst_sz;
181 u32 max_resp_sz;
182 u32 max_resp_sz_cached;
183 u32 max_ops;
184 u32 max_reqs;
185 };
186
187 struct nfs4_slot;
188 struct nfs4_sequence_args {
189 struct nfs4_slot *sa_slot;
190 u8 sa_cache_this : 1,
191 sa_privileged : 1;
192 };
193
194 struct nfs4_sequence_res {
195 struct nfs4_slot *sr_slot; /* slot used to send request */
196 unsigned long sr_timestamp;
197 int sr_status; /* sequence operation status */
198 u32 sr_status_flags;
199 u32 sr_highest_slotid;
200 u32 sr_target_highest_slotid;
201 };
202
203 struct nfs4_get_lease_time_args {
204 struct nfs4_sequence_args la_seq_args;
205 };
206
207 struct nfs4_get_lease_time_res {
208 struct nfs4_sequence_res lr_seq_res;
209 struct nfs_fsinfo *lr_fsinfo;
210 };
211
212 #define PNFS_LAYOUT_MAXSIZE 4096
213
214 struct nfs4_layoutdriver_data {
215 struct page **pages;
216 __u32 pglen;
217 __u32 len;
218 };
219
220 struct pnfs_layout_range {
221 u32 iomode;
222 u64 offset;
223 u64 length;
224 };
225
226 struct nfs4_layoutget_args {
227 struct nfs4_sequence_args seq_args;
228 __u32 type;
229 struct pnfs_layout_range range;
230 __u64 minlength;
231 __u32 maxcount;
232 struct inode *inode;
233 struct nfs_open_context *ctx;
234 nfs4_stateid stateid;
235 unsigned long timestamp;
236 struct nfs4_layoutdriver_data layout;
237 };
238
239 struct nfs4_layoutget_res {
240 struct nfs4_sequence_res seq_res;
241 __u32 return_on_close;
242 struct pnfs_layout_range range;
243 __u32 type;
244 nfs4_stateid stateid;
245 struct nfs4_layoutdriver_data *layoutp;
246 };
247
248 struct nfs4_layoutget {
249 struct nfs4_layoutget_args args;
250 struct nfs4_layoutget_res res;
251 struct rpc_cred *cred;
252 gfp_t gfp_flags;
253 };
254
255 struct nfs4_getdeviceinfo_args {
256 struct nfs4_sequence_args seq_args;
257 struct pnfs_device *pdev;
258 __u32 notify_types;
259 };
260
261 struct nfs4_getdeviceinfo_res {
262 struct nfs4_sequence_res seq_res;
263 struct pnfs_device *pdev;
264 __u32 notification;
265 };
266
267 struct nfs4_layoutcommit_args {
268 struct nfs4_sequence_args seq_args;
269 nfs4_stateid stateid;
270 __u64 lastbytewritten;
271 struct inode *inode;
272 const u32 *bitmask;
273 size_t layoutupdate_len;
274 struct page *layoutupdate_page;
275 struct page **layoutupdate_pages;
276 };
277
278 struct nfs4_layoutcommit_res {
279 struct nfs4_sequence_res seq_res;
280 struct nfs_fattr *fattr;
281 const struct nfs_server *server;
282 int status;
283 };
284
285 struct nfs4_layoutcommit_data {
286 struct rpc_task task;
287 struct nfs_fattr fattr;
288 struct list_head lseg_list;
289 struct rpc_cred *cred;
290 struct inode *inode;
291 struct nfs4_layoutcommit_args args;
292 struct nfs4_layoutcommit_res res;
293 };
294
295 struct nfs4_layoutreturn_args {
296 struct nfs4_sequence_args seq_args;
297 struct pnfs_layout_hdr *layout;
298 struct inode *inode;
299 struct pnfs_layout_range range;
300 nfs4_stateid stateid;
301 __u32 layout_type;
302 };
303
304 struct nfs4_layoutreturn_res {
305 struct nfs4_sequence_res seq_res;
306 u32 lrs_present;
307 nfs4_stateid stateid;
308 };
309
310 struct nfs4_layoutreturn {
311 struct nfs4_layoutreturn_args args;
312 struct nfs4_layoutreturn_res res;
313 struct rpc_cred *cred;
314 struct nfs_client *clp;
315 struct inode *inode;
316 int rpc_status;
317 };
318
319 #define PNFS_LAYOUTSTATS_MAXSIZE 256
320
321 struct nfs42_layoutstat_args;
322 struct nfs42_layoutstat_devinfo;
323 typedef void (*layoutstats_encode_t)(struct xdr_stream *,
324 struct nfs42_layoutstat_args *,
325 struct nfs42_layoutstat_devinfo *);
326
327 /* Per file per deviceid layoutstats */
328 struct nfs42_layoutstat_devinfo {
329 struct nfs4_deviceid dev_id;
330 __u64 offset;
331 __u64 length;
332 __u64 read_count;
333 __u64 read_bytes;
334 __u64 write_count;
335 __u64 write_bytes;
336 __u32 layout_type;
337 layoutstats_encode_t layoutstats_encode;
338 void *layout_private;
339 };
340
341 struct nfs42_layoutstat_args {
342 struct nfs4_sequence_args seq_args;
343 struct nfs_fh *fh;
344 struct inode *inode;
345 nfs4_stateid stateid;
346 int num_dev;
347 struct nfs42_layoutstat_devinfo *devinfo;
348 };
349
350 struct nfs42_layoutstat_res {
351 struct nfs4_sequence_res seq_res;
352 int num_dev;
353 int rpc_status;
354 };
355
356 struct nfs42_layoutstat_data {
357 struct inode *inode;
358 struct nfs42_layoutstat_args args;
359 struct nfs42_layoutstat_res res;
360 };
361
362 struct stateowner_id {
363 __u64 create_time;
364 __u32 uniquifier;
365 };
366
367 /*
368 * Arguments to the open call.
369 */
370 struct nfs_openargs {
371 struct nfs4_sequence_args seq_args;
372 const struct nfs_fh * fh;
373 struct nfs_seqid * seqid;
374 int open_flags;
375 fmode_t fmode;
376 u32 share_access;
377 u32 access;
378 __u64 clientid;
379 struct stateowner_id id;
380 union {
381 struct {
382 struct iattr * attrs; /* UNCHECKED, GUARDED */
383 nfs4_verifier verifier; /* EXCLUSIVE */
384 };
385 nfs4_stateid delegation; /* CLAIM_DELEGATE_CUR */
386 fmode_t delegation_type; /* CLAIM_PREVIOUS */
387 } u;
388 const struct qstr * name;
389 const struct nfs_server *server; /* Needed for ID mapping */
390 const u32 * bitmask;
391 const u32 * open_bitmap;
392 __u32 claim;
393 enum createmode4 createmode;
394 const struct nfs4_label *label;
395 };
396
397 struct nfs_openres {
398 struct nfs4_sequence_res seq_res;
399 nfs4_stateid stateid;
400 struct nfs_fh fh;
401 struct nfs4_change_info cinfo;
402 __u32 rflags;
403 struct nfs_fattr * f_attr;
404 struct nfs4_label *f_label;
405 struct nfs_seqid * seqid;
406 const struct nfs_server *server;
407 fmode_t delegation_type;
408 nfs4_stateid delegation;
409 __u32 do_recall;
410 __u64 maxsize;
411 __u32 attrset[NFS4_BITMAP_SIZE];
412 struct nfs4_string *owner;
413 struct nfs4_string *group_owner;
414 __u32 access_request;
415 __u32 access_supported;
416 __u32 access_result;
417 };
418
419 /*
420 * Arguments to the open_confirm call.
421 */
422 struct nfs_open_confirmargs {
423 struct nfs4_sequence_args seq_args;
424 const struct nfs_fh * fh;
425 nfs4_stateid * stateid;
426 struct nfs_seqid * seqid;
427 };
428
429 struct nfs_open_confirmres {
430 struct nfs4_sequence_res seq_res;
431 nfs4_stateid stateid;
432 struct nfs_seqid * seqid;
433 };
434
435 /*
436 * Arguments to the close call.
437 */
438 struct nfs_closeargs {
439 struct nfs4_sequence_args seq_args;
440 struct nfs_fh * fh;
441 nfs4_stateid stateid;
442 struct nfs_seqid * seqid;
443 fmode_t fmode;
444 u32 share_access;
445 const u32 * bitmask;
446 };
447
448 struct nfs_closeres {
449 struct nfs4_sequence_res seq_res;
450 nfs4_stateid stateid;
451 struct nfs_fattr * fattr;
452 struct nfs_seqid * seqid;
453 const struct nfs_server *server;
454 };
455 /*
456 * * Arguments to the lock,lockt, and locku call.
457 * */
458 struct nfs_lowner {
459 __u64 clientid;
460 __u64 id;
461 dev_t s_dev;
462 };
463
464 struct nfs_lock_args {
465 struct nfs4_sequence_args seq_args;
466 struct nfs_fh * fh;
467 struct file_lock * fl;
468 struct nfs_seqid * lock_seqid;
469 nfs4_stateid lock_stateid;
470 struct nfs_seqid * open_seqid;
471 nfs4_stateid open_stateid;
472 struct nfs_lowner lock_owner;
473 unsigned char block : 1;
474 unsigned char reclaim : 1;
475 unsigned char new_lock : 1;
476 unsigned char new_lock_owner : 1;
477 };
478
479 struct nfs_lock_res {
480 struct nfs4_sequence_res seq_res;
481 nfs4_stateid stateid;
482 struct nfs_seqid * lock_seqid;
483 struct nfs_seqid * open_seqid;
484 };
485
486 struct nfs_locku_args {
487 struct nfs4_sequence_args seq_args;
488 struct nfs_fh * fh;
489 struct file_lock * fl;
490 struct nfs_seqid * seqid;
491 nfs4_stateid stateid;
492 };
493
494 struct nfs_locku_res {
495 struct nfs4_sequence_res seq_res;
496 nfs4_stateid stateid;
497 struct nfs_seqid * seqid;
498 };
499
500 struct nfs_lockt_args {
501 struct nfs4_sequence_args seq_args;
502 struct nfs_fh * fh;
503 struct file_lock * fl;
504 struct nfs_lowner lock_owner;
505 };
506
507 struct nfs_lockt_res {
508 struct nfs4_sequence_res seq_res;
509 struct file_lock * denied; /* LOCK, LOCKT failed */
510 };
511
512 struct nfs_release_lockowner_args {
513 struct nfs4_sequence_args seq_args;
514 struct nfs_lowner lock_owner;
515 };
516
517 struct nfs_release_lockowner_res {
518 struct nfs4_sequence_res seq_res;
519 };
520
521 struct nfs4_delegreturnargs {
522 struct nfs4_sequence_args seq_args;
523 const struct nfs_fh *fhandle;
524 const nfs4_stateid *stateid;
525 const u32 * bitmask;
526 };
527
528 struct nfs4_delegreturnres {
529 struct nfs4_sequence_res seq_res;
530 struct nfs_fattr * fattr;
531 const struct nfs_server *server;
532 };
533
534 /*
535 * Arguments to the write call.
536 */
537 struct nfs_write_verifier {
538 char data[8];
539 };
540
541 struct nfs_writeverf {
542 struct nfs_write_verifier verifier;
543 enum nfs3_stable_how committed;
544 };
545
546 /*
547 * Arguments shared by the read and write call.
548 */
549 struct nfs_pgio_args {
550 struct nfs4_sequence_args seq_args;
551 struct nfs_fh * fh;
552 struct nfs_open_context *context;
553 struct nfs_lock_context *lock_context;
554 nfs4_stateid stateid;
555 __u64 offset;
556 __u32 count;
557 unsigned int pgbase;
558 struct page ** pages;
559 const u32 * bitmask; /* used by write */
560 enum nfs3_stable_how stable; /* used by write */
561 };
562
563 struct nfs_pgio_res {
564 struct nfs4_sequence_res seq_res;
565 struct nfs_fattr * fattr;
566 __u32 count;
567 __u32 op_status;
568 int eof; /* used by read */
569 struct nfs_writeverf * verf; /* used by write */
570 const struct nfs_server *server; /* used by write */
571
572 };
573
574 /*
575 * Arguments to the commit call.
576 */
577 struct nfs_commitargs {
578 struct nfs4_sequence_args seq_args;
579 struct nfs_fh *fh;
580 __u64 offset;
581 __u32 count;
582 const u32 *bitmask;
583 };
584
585 struct nfs_commitres {
586 struct nfs4_sequence_res seq_res;
587 __u32 op_status;
588 struct nfs_fattr *fattr;
589 struct nfs_writeverf *verf;
590 const struct nfs_server *server;
591 };
592
593 /*
594 * Common arguments to the unlink call
595 */
596 struct nfs_removeargs {
597 struct nfs4_sequence_args seq_args;
598 const struct nfs_fh *fh;
599 struct qstr name;
600 };
601
602 struct nfs_removeres {
603 struct nfs4_sequence_res seq_res;
604 const struct nfs_server *server;
605 struct nfs_fattr *dir_attr;
606 struct nfs4_change_info cinfo;
607 };
608
609 /*
610 * Common arguments to the rename call
611 */
612 struct nfs_renameargs {
613 struct nfs4_sequence_args seq_args;
614 const struct nfs_fh *old_dir;
615 const struct nfs_fh *new_dir;
616 const struct qstr *old_name;
617 const struct qstr *new_name;
618 };
619
620 struct nfs_renameres {
621 struct nfs4_sequence_res seq_res;
622 const struct nfs_server *server;
623 struct nfs4_change_info old_cinfo;
624 struct nfs_fattr *old_fattr;
625 struct nfs4_change_info new_cinfo;
626 struct nfs_fattr *new_fattr;
627 };
628
629 /* parsed sec= options */
630 #define NFS_AUTH_INFO_MAX_FLAVORS 12 /* see fs/nfs/super.c */
631 struct nfs_auth_info {
632 unsigned int flavor_len;
633 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
634 };
635
636 /*
637 * Argument struct for decode_entry function
638 */
639 struct nfs_entry {
640 __u64 ino;
641 __u64 cookie,
642 prev_cookie;
643 const char * name;
644 unsigned int len;
645 int eof;
646 struct nfs_fh * fh;
647 struct nfs_fattr * fattr;
648 struct nfs4_label *label;
649 unsigned char d_type;
650 struct nfs_server * server;
651 };
652
653 /*
654 * The following types are for NFSv2 only.
655 */
656 struct nfs_sattrargs {
657 struct nfs_fh * fh;
658 struct iattr * sattr;
659 };
660
661 struct nfs_diropargs {
662 struct nfs_fh * fh;
663 const char * name;
664 unsigned int len;
665 };
666
667 struct nfs_createargs {
668 struct nfs_fh * fh;
669 const char * name;
670 unsigned int len;
671 struct iattr * sattr;
672 };
673
674 struct nfs_setattrargs {
675 struct nfs4_sequence_args seq_args;
676 struct nfs_fh * fh;
677 nfs4_stateid stateid;
678 struct iattr * iap;
679 const struct nfs_server * server; /* Needed for name mapping */
680 const u32 * bitmask;
681 const struct nfs4_label *label;
682 };
683
684 struct nfs_setaclargs {
685 struct nfs4_sequence_args seq_args;
686 struct nfs_fh * fh;
687 size_t acl_len;
688 unsigned int acl_pgbase;
689 struct page ** acl_pages;
690 };
691
692 struct nfs_setaclres {
693 struct nfs4_sequence_res seq_res;
694 };
695
696 struct nfs_getaclargs {
697 struct nfs4_sequence_args seq_args;
698 struct nfs_fh * fh;
699 size_t acl_len;
700 unsigned int acl_pgbase;
701 struct page ** acl_pages;
702 };
703
704 /* getxattr ACL interface flags */
705 #define NFS4_ACL_TRUNC 0x0001 /* ACL was truncated */
706 struct nfs_getaclres {
707 struct nfs4_sequence_res seq_res;
708 size_t acl_len;
709 size_t acl_data_offset;
710 int acl_flags;
711 struct page * acl_scratch;
712 };
713
714 struct nfs_setattrres {
715 struct nfs4_sequence_res seq_res;
716 struct nfs_fattr * fattr;
717 struct nfs4_label *label;
718 const struct nfs_server * server;
719 };
720
721 struct nfs_linkargs {
722 struct nfs_fh * fromfh;
723 struct nfs_fh * tofh;
724 const char * toname;
725 unsigned int tolen;
726 };
727
728 struct nfs_symlinkargs {
729 struct nfs_fh * fromfh;
730 const char * fromname;
731 unsigned int fromlen;
732 struct page ** pages;
733 unsigned int pathlen;
734 struct iattr * sattr;
735 };
736
737 struct nfs_readdirargs {
738 struct nfs_fh * fh;
739 __u32 cookie;
740 unsigned int count;
741 struct page ** pages;
742 };
743
744 struct nfs3_getaclargs {
745 struct nfs_fh * fh;
746 int mask;
747 struct page ** pages;
748 };
749
750 struct nfs3_setaclargs {
751 struct inode * inode;
752 int mask;
753 struct posix_acl * acl_access;
754 struct posix_acl * acl_default;
755 size_t len;
756 unsigned int npages;
757 struct page ** pages;
758 };
759
760 struct nfs_diropok {
761 struct nfs_fh * fh;
762 struct nfs_fattr * fattr;
763 };
764
765 struct nfs_readlinkargs {
766 struct nfs_fh * fh;
767 unsigned int pgbase;
768 unsigned int pglen;
769 struct page ** pages;
770 };
771
772 struct nfs3_sattrargs {
773 struct nfs_fh * fh;
774 struct iattr * sattr;
775 unsigned int guard;
776 struct timespec guardtime;
777 };
778
779 struct nfs3_diropargs {
780 struct nfs_fh * fh;
781 const char * name;
782 unsigned int len;
783 };
784
785 struct nfs3_accessargs {
786 struct nfs_fh * fh;
787 __u32 access;
788 };
789
790 struct nfs3_createargs {
791 struct nfs_fh * fh;
792 const char * name;
793 unsigned int len;
794 struct iattr * sattr;
795 enum nfs3_createmode createmode;
796 __be32 verifier[2];
797 };
798
799 struct nfs3_mkdirargs {
800 struct nfs_fh * fh;
801 const char * name;
802 unsigned int len;
803 struct iattr * sattr;
804 };
805
806 struct nfs3_symlinkargs {
807 struct nfs_fh * fromfh;
808 const char * fromname;
809 unsigned int fromlen;
810 struct page ** pages;
811 unsigned int pathlen;
812 struct iattr * sattr;
813 };
814
815 struct nfs3_mknodargs {
816 struct nfs_fh * fh;
817 const char * name;
818 unsigned int len;
819 enum nfs3_ftype type;
820 struct iattr * sattr;
821 dev_t rdev;
822 };
823
824 struct nfs3_linkargs {
825 struct nfs_fh * fromfh;
826 struct nfs_fh * tofh;
827 const char * toname;
828 unsigned int tolen;
829 };
830
831 struct nfs3_readdirargs {
832 struct nfs_fh * fh;
833 __u64 cookie;
834 __be32 verf[2];
835 int plus;
836 unsigned int count;
837 struct page ** pages;
838 };
839
840 struct nfs3_diropres {
841 struct nfs_fattr * dir_attr;
842 struct nfs_fh * fh;
843 struct nfs_fattr * fattr;
844 };
845
846 struct nfs3_accessres {
847 struct nfs_fattr * fattr;
848 __u32 access;
849 };
850
851 struct nfs3_readlinkargs {
852 struct nfs_fh * fh;
853 unsigned int pgbase;
854 unsigned int pglen;
855 struct page ** pages;
856 };
857
858 struct nfs3_linkres {
859 struct nfs_fattr * dir_attr;
860 struct nfs_fattr * fattr;
861 };
862
863 struct nfs3_readdirres {
864 struct nfs_fattr * dir_attr;
865 __be32 * verf;
866 int plus;
867 };
868
869 struct nfs3_getaclres {
870 struct nfs_fattr * fattr;
871 int mask;
872 unsigned int acl_access_count;
873 unsigned int acl_default_count;
874 struct posix_acl * acl_access;
875 struct posix_acl * acl_default;
876 };
877
878 #if IS_ENABLED(CONFIG_NFS_V4)
879
880 typedef u64 clientid4;
881
882 struct nfs4_accessargs {
883 struct nfs4_sequence_args seq_args;
884 const struct nfs_fh * fh;
885 const u32 * bitmask;
886 u32 access;
887 };
888
889 struct nfs4_accessres {
890 struct nfs4_sequence_res seq_res;
891 const struct nfs_server * server;
892 struct nfs_fattr * fattr;
893 u32 supported;
894 u32 access;
895 };
896
897 struct nfs4_create_arg {
898 struct nfs4_sequence_args seq_args;
899 u32 ftype;
900 union {
901 struct {
902 struct page ** pages;
903 unsigned int len;
904 } symlink; /* NF4LNK */
905 struct {
906 u32 specdata1;
907 u32 specdata2;
908 } device; /* NF4BLK, NF4CHR */
909 } u;
910 const struct qstr * name;
911 const struct nfs_server * server;
912 const struct iattr * attrs;
913 const struct nfs_fh * dir_fh;
914 const u32 * bitmask;
915 const struct nfs4_label *label;
916 };
917
918 struct nfs4_create_res {
919 struct nfs4_sequence_res seq_res;
920 const struct nfs_server * server;
921 struct nfs_fh * fh;
922 struct nfs_fattr * fattr;
923 struct nfs4_label *label;
924 struct nfs4_change_info dir_cinfo;
925 };
926
927 struct nfs4_fsinfo_arg {
928 struct nfs4_sequence_args seq_args;
929 const struct nfs_fh * fh;
930 const u32 * bitmask;
931 };
932
933 struct nfs4_fsinfo_res {
934 struct nfs4_sequence_res seq_res;
935 struct nfs_fsinfo *fsinfo;
936 };
937
938 struct nfs4_getattr_arg {
939 struct nfs4_sequence_args seq_args;
940 const struct nfs_fh * fh;
941 const u32 * bitmask;
942 };
943
944 struct nfs4_getattr_res {
945 struct nfs4_sequence_res seq_res;
946 const struct nfs_server * server;
947 struct nfs_fattr * fattr;
948 struct nfs4_label *label;
949 };
950
951 struct nfs4_link_arg {
952 struct nfs4_sequence_args seq_args;
953 const struct nfs_fh * fh;
954 const struct nfs_fh * dir_fh;
955 const struct qstr * name;
956 const u32 * bitmask;
957 };
958
959 struct nfs4_link_res {
960 struct nfs4_sequence_res seq_res;
961 const struct nfs_server * server;
962 struct nfs_fattr * fattr;
963 struct nfs4_label *label;
964 struct nfs4_change_info cinfo;
965 struct nfs_fattr * dir_attr;
966 };
967
968
969 struct nfs4_lookup_arg {
970 struct nfs4_sequence_args seq_args;
971 const struct nfs_fh * dir_fh;
972 const struct qstr * name;
973 const u32 * bitmask;
974 };
975
976 struct nfs4_lookup_res {
977 struct nfs4_sequence_res seq_res;
978 const struct nfs_server * server;
979 struct nfs_fattr * fattr;
980 struct nfs_fh * fh;
981 struct nfs4_label *label;
982 };
983
984 struct nfs4_lookup_root_arg {
985 struct nfs4_sequence_args seq_args;
986 const u32 * bitmask;
987 };
988
989 struct nfs4_pathconf_arg {
990 struct nfs4_sequence_args seq_args;
991 const struct nfs_fh * fh;
992 const u32 * bitmask;
993 };
994
995 struct nfs4_pathconf_res {
996 struct nfs4_sequence_res seq_res;
997 struct nfs_pathconf *pathconf;
998 };
999
1000 struct nfs4_readdir_arg {
1001 struct nfs4_sequence_args seq_args;
1002 const struct nfs_fh * fh;
1003 u64 cookie;
1004 nfs4_verifier verifier;
1005 u32 count;
1006 struct page ** pages; /* zero-copy data */
1007 unsigned int pgbase; /* zero-copy data */
1008 const u32 * bitmask;
1009 int plus;
1010 };
1011
1012 struct nfs4_readdir_res {
1013 struct nfs4_sequence_res seq_res;
1014 nfs4_verifier verifier;
1015 unsigned int pgbase;
1016 };
1017
1018 struct nfs4_readlink {
1019 struct nfs4_sequence_args seq_args;
1020 const struct nfs_fh * fh;
1021 unsigned int pgbase;
1022 unsigned int pglen; /* zero-copy data */
1023 struct page ** pages; /* zero-copy data */
1024 };
1025
1026 struct nfs4_readlink_res {
1027 struct nfs4_sequence_res seq_res;
1028 };
1029
1030 struct nfs4_setclientid {
1031 const nfs4_verifier * sc_verifier;
1032 u32 sc_prog;
1033 unsigned int sc_netid_len;
1034 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1035 unsigned int sc_uaddr_len;
1036 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
1037 struct nfs_client *sc_clnt;
1038 struct rpc_cred *sc_cred;
1039 };
1040
1041 struct nfs4_setclientid_res {
1042 u64 clientid;
1043 nfs4_verifier confirm;
1044 };
1045
1046 struct nfs4_statfs_arg {
1047 struct nfs4_sequence_args seq_args;
1048 const struct nfs_fh * fh;
1049 const u32 * bitmask;
1050 };
1051
1052 struct nfs4_statfs_res {
1053 struct nfs4_sequence_res seq_res;
1054 struct nfs_fsstat *fsstat;
1055 };
1056
1057 struct nfs4_server_caps_arg {
1058 struct nfs4_sequence_args seq_args;
1059 struct nfs_fh *fhandle;
1060 };
1061
1062 struct nfs4_server_caps_res {
1063 struct nfs4_sequence_res seq_res;
1064 u32 attr_bitmask[3];
1065 u32 acl_bitmask;
1066 u32 has_links;
1067 u32 has_symlinks;
1068 u32 fh_expire_type;
1069 };
1070
1071 #define NFS4_PATHNAME_MAXCOMPONENTS 512
1072 struct nfs4_pathname {
1073 unsigned int ncomponents;
1074 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1075 };
1076
1077 #define NFS4_FS_LOCATION_MAXSERVERS 10
1078 struct nfs4_fs_location {
1079 unsigned int nservers;
1080 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1081 struct nfs4_pathname rootpath;
1082 };
1083
1084 #define NFS4_FS_LOCATIONS_MAXENTRIES 10
1085 struct nfs4_fs_locations {
1086 struct nfs_fattr fattr;
1087 const struct nfs_server *server;
1088 struct nfs4_pathname fs_path;
1089 int nlocations;
1090 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1091 };
1092
1093 struct nfs4_fs_locations_arg {
1094 struct nfs4_sequence_args seq_args;
1095 const struct nfs_fh *dir_fh;
1096 const struct nfs_fh *fh;
1097 const struct qstr *name;
1098 struct page *page;
1099 const u32 *bitmask;
1100 clientid4 clientid;
1101 unsigned char migration:1, renew:1;
1102 };
1103
1104 struct nfs4_fs_locations_res {
1105 struct nfs4_sequence_res seq_res;
1106 struct nfs4_fs_locations *fs_locations;
1107 unsigned char migration:1, renew:1;
1108 };
1109
1110 struct nfs4_secinfo4 {
1111 u32 flavor;
1112 struct rpcsec_gss_info flavor_info;
1113 };
1114
1115 struct nfs4_secinfo_flavors {
1116 unsigned int num_flavors;
1117 struct nfs4_secinfo4 flavors[0];
1118 };
1119
1120 struct nfs4_secinfo_arg {
1121 struct nfs4_sequence_args seq_args;
1122 const struct nfs_fh *dir_fh;
1123 const struct qstr *name;
1124 };
1125
1126 struct nfs4_secinfo_res {
1127 struct nfs4_sequence_res seq_res;
1128 struct nfs4_secinfo_flavors *flavors;
1129 };
1130
1131 struct nfs4_fsid_present_arg {
1132 struct nfs4_sequence_args seq_args;
1133 const struct nfs_fh *fh;
1134 clientid4 clientid;
1135 unsigned char renew:1;
1136 };
1137
1138 struct nfs4_fsid_present_res {
1139 struct nfs4_sequence_res seq_res;
1140 struct nfs_fh *fh;
1141 unsigned char renew:1;
1142 };
1143
1144 #endif /* CONFIG_NFS_V4 */
1145
1146 struct nfstime4 {
1147 u64 seconds;
1148 u32 nseconds;
1149 };
1150
1151 #ifdef CONFIG_NFS_V4_1
1152
1153 struct pnfs_commit_bucket {
1154 struct list_head written;
1155 struct list_head committing;
1156 struct pnfs_layout_segment *wlseg;
1157 struct pnfs_layout_segment *clseg;
1158 struct nfs_writeverf direct_verf;
1159 };
1160
1161 struct pnfs_ds_commit_info {
1162 int nwritten;
1163 int ncommitting;
1164 int nbuckets;
1165 struct pnfs_commit_bucket *buckets;
1166 };
1167
1168 #define NFS4_OP_MAP_NUM_LONGS \
1169 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
1170 #define NFS4_OP_MAP_NUM_WORDS \
1171 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
1172 struct nfs4_op_map {
1173 union {
1174 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
1175 u32 words[NFS4_OP_MAP_NUM_WORDS];
1176 } u;
1177 };
1178
1179 struct nfs41_state_protection {
1180 u32 how;
1181 struct nfs4_op_map enforce;
1182 struct nfs4_op_map allow;
1183 };
1184
1185 struct nfs41_exchange_id_args {
1186 struct nfs_client *client;
1187 nfs4_verifier *verifier;
1188 u32 flags;
1189 struct nfs41_state_protection state_protect;
1190 };
1191
1192 struct nfs41_server_owner {
1193 uint64_t minor_id;
1194 uint32_t major_id_sz;
1195 char major_id[NFS4_OPAQUE_LIMIT];
1196 };
1197
1198 struct nfs41_server_scope {
1199 uint32_t server_scope_sz;
1200 char server_scope[NFS4_OPAQUE_LIMIT];
1201 };
1202
1203 struct nfs41_impl_id {
1204 char domain[NFS4_OPAQUE_LIMIT + 1];
1205 char name[NFS4_OPAQUE_LIMIT + 1];
1206 struct nfstime4 date;
1207 };
1208
1209 struct nfs41_bind_conn_to_session_args {
1210 struct nfs_client *client;
1211 struct nfs4_sessionid sessionid;
1212 u32 dir;
1213 bool use_conn_in_rdma_mode;
1214 };
1215
1216 struct nfs41_bind_conn_to_session_res {
1217 struct nfs4_sessionid sessionid;
1218 u32 dir;
1219 bool use_conn_in_rdma_mode;
1220 };
1221
1222 struct nfs41_exchange_id_res {
1223 u64 clientid;
1224 u32 seqid;
1225 u32 flags;
1226 struct nfs41_server_owner *server_owner;
1227 struct nfs41_server_scope *server_scope;
1228 struct nfs41_impl_id *impl_id;
1229 struct nfs41_state_protection state_protect;
1230 };
1231
1232 struct nfs41_create_session_args {
1233 struct nfs_client *client;
1234 u64 clientid;
1235 uint32_t seqid;
1236 uint32_t flags;
1237 uint32_t cb_program;
1238 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1239 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1240 };
1241
1242 struct nfs41_create_session_res {
1243 struct nfs4_sessionid sessionid;
1244 uint32_t seqid;
1245 uint32_t flags;
1246 struct nfs4_channel_attrs fc_attrs; /* Fore Channel */
1247 struct nfs4_channel_attrs bc_attrs; /* Back Channel */
1248 };
1249
1250 struct nfs41_reclaim_complete_args {
1251 struct nfs4_sequence_args seq_args;
1252 /* In the future extend to include curr_fh for use with migration */
1253 unsigned char one_fs:1;
1254 };
1255
1256 struct nfs41_reclaim_complete_res {
1257 struct nfs4_sequence_res seq_res;
1258 };
1259
1260 #define SECINFO_STYLE_CURRENT_FH 0
1261 #define SECINFO_STYLE_PARENT 1
1262 struct nfs41_secinfo_no_name_args {
1263 struct nfs4_sequence_args seq_args;
1264 int style;
1265 };
1266
1267 struct nfs41_test_stateid_args {
1268 struct nfs4_sequence_args seq_args;
1269 nfs4_stateid *stateid;
1270 };
1271
1272 struct nfs41_test_stateid_res {
1273 struct nfs4_sequence_res seq_res;
1274 unsigned int status;
1275 };
1276
1277 struct nfs41_free_stateid_args {
1278 struct nfs4_sequence_args seq_args;
1279 nfs4_stateid stateid;
1280 };
1281
1282 struct nfs41_free_stateid_res {
1283 struct nfs4_sequence_res seq_res;
1284 unsigned int status;
1285 };
1286
1287 static inline void
1288 nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1289 {
1290 kfree(cinfo->buckets);
1291 }
1292
1293 #else
1294
1295 struct pnfs_ds_commit_info {
1296 };
1297
1298 static inline void
1299 nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1300 {
1301 }
1302
1303 #endif /* CONFIG_NFS_V4_1 */
1304
1305 #ifdef CONFIG_NFS_V4_2
1306 struct nfs42_falloc_args {
1307 struct nfs4_sequence_args seq_args;
1308
1309 struct nfs_fh *falloc_fh;
1310 nfs4_stateid falloc_stateid;
1311 u64 falloc_offset;
1312 u64 falloc_length;
1313 const u32 *falloc_bitmask;
1314 };
1315
1316 struct nfs42_falloc_res {
1317 struct nfs4_sequence_res seq_res;
1318 unsigned int status;
1319
1320 struct nfs_fattr *falloc_fattr;
1321 const struct nfs_server *falloc_server;
1322 };
1323
1324 struct nfs42_seek_args {
1325 struct nfs4_sequence_args seq_args;
1326
1327 struct nfs_fh *sa_fh;
1328 nfs4_stateid sa_stateid;
1329 u64 sa_offset;
1330 u32 sa_what;
1331 };
1332
1333 struct nfs42_seek_res {
1334 struct nfs4_sequence_res seq_res;
1335 unsigned int status;
1336
1337 u32 sr_eof;
1338 u64 sr_offset;
1339 };
1340 #endif
1341
1342 struct nfs_page;
1343
1344 #define NFS_PAGEVEC_SIZE (8U)
1345
1346 struct nfs_page_array {
1347 struct page **pagevec;
1348 unsigned int npages; /* Max length of pagevec */
1349 struct page *page_array[NFS_PAGEVEC_SIZE];
1350 };
1351
1352 /* used as flag bits in nfs_pgio_header */
1353 enum {
1354 NFS_IOHDR_ERROR = 0,
1355 NFS_IOHDR_EOF,
1356 NFS_IOHDR_REDO,
1357 };
1358
1359 struct nfs_pgio_header {
1360 struct inode *inode;
1361 struct rpc_cred *cred;
1362 struct list_head pages;
1363 struct nfs_page *req;
1364 struct nfs_writeverf verf; /* Used for writes */
1365 struct pnfs_layout_segment *lseg;
1366 loff_t io_start;
1367 const struct rpc_call_ops *mds_ops;
1368 void (*release) (struct nfs_pgio_header *hdr);
1369 const struct nfs_pgio_completion_ops *completion_ops;
1370 const struct nfs_rw_ops *rw_ops;
1371 struct nfs_direct_req *dreq;
1372 void *layout_private;
1373 spinlock_t lock;
1374 /* fields protected by lock */
1375 int pnfs_error;
1376 int error; /* merge with pnfs_error */
1377 unsigned long good_bytes; /* boundary of good data */
1378 unsigned long flags;
1379
1380 /*
1381 * rpc data
1382 */
1383 struct rpc_task task;
1384 struct nfs_fattr fattr;
1385 struct nfs_pgio_args args; /* argument struct */
1386 struct nfs_pgio_res res; /* result struct */
1387 unsigned long timestamp; /* For lease renewal */
1388 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1389 __u64 mds_offset; /* Filelayout dense stripe */
1390 struct nfs_page_array page_array;
1391 struct nfs_client *ds_clp; /* pNFS data server */
1392 int ds_commit_idx; /* ds index if ds_clp is set */
1393 int pgio_mirror_idx;/* mirror index in pgio layer */
1394 };
1395
1396 struct nfs_mds_commit_info {
1397 atomic_t rpcs_out;
1398 unsigned long ncommit;
1399 struct list_head list;
1400 };
1401
1402 struct nfs_commit_data;
1403 struct nfs_inode;
1404 struct nfs_commit_completion_ops {
1405 void (*error_cleanup) (struct nfs_inode *nfsi);
1406 void (*completion) (struct nfs_commit_data *data);
1407 };
1408
1409 struct nfs_commit_info {
1410 spinlock_t *lock; /* inode->i_lock */
1411 struct nfs_mds_commit_info *mds;
1412 struct pnfs_ds_commit_info *ds;
1413 struct nfs_direct_req *dreq; /* O_DIRECT request */
1414 const struct nfs_commit_completion_ops *completion_ops;
1415 };
1416
1417 struct nfs_commit_data {
1418 struct rpc_task task;
1419 struct inode *inode;
1420 struct rpc_cred *cred;
1421 struct nfs_fattr fattr;
1422 struct nfs_writeverf verf;
1423 struct list_head pages; /* Coalesced requests we wish to flush */
1424 struct list_head list; /* lists of struct nfs_write_data */
1425 struct nfs_direct_req *dreq; /* O_DIRECT request */
1426 struct nfs_commitargs args; /* argument struct */
1427 struct nfs_commitres res; /* result struct */
1428 struct nfs_open_context *context;
1429 struct pnfs_layout_segment *lseg;
1430 struct nfs_client *ds_clp; /* pNFS data server */
1431 int ds_commit_index;
1432 loff_t lwb;
1433 const struct rpc_call_ops *mds_ops;
1434 const struct nfs_commit_completion_ops *completion_ops;
1435 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1436 };
1437
1438 struct nfs_pgio_completion_ops {
1439 void (*error_cleanup)(struct list_head *head);
1440 void (*init_hdr)(struct nfs_pgio_header *hdr);
1441 void (*completion)(struct nfs_pgio_header *hdr);
1442 };
1443
1444 struct nfs_unlinkdata {
1445 struct hlist_node list;
1446 struct nfs_removeargs args;
1447 struct nfs_removeres res;
1448 struct inode *dir;
1449 struct rpc_cred *cred;
1450 struct nfs_fattr dir_attr;
1451 long timeout;
1452 };
1453
1454 struct nfs_renamedata {
1455 struct nfs_renameargs args;
1456 struct nfs_renameres res;
1457 struct rpc_cred *cred;
1458 struct inode *old_dir;
1459 struct dentry *old_dentry;
1460 struct nfs_fattr old_fattr;
1461 struct inode *new_dir;
1462 struct dentry *new_dentry;
1463 struct nfs_fattr new_fattr;
1464 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
1465 long timeout;
1466 };
1467
1468 struct nfs_access_entry;
1469 struct nfs_client;
1470 struct rpc_timeout;
1471 struct nfs_subversion;
1472 struct nfs_mount_info;
1473 struct nfs_client_initdata;
1474 struct nfs_pageio_descriptor;
1475
1476 /*
1477 * RPC procedure vector for NFSv2/NFSv3 demuxing
1478 */
1479 struct nfs_rpc_ops {
1480 u32 version; /* Protocol version */
1481 const struct dentry_operations *dentry_ops;
1482 const struct inode_operations *dir_inode_ops;
1483 const struct inode_operations *file_inode_ops;
1484 const struct file_operations *file_ops;
1485
1486 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1487 struct nfs_fsinfo *);
1488 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1489 struct nfs_fh *, struct nfs_fattr *);
1490 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1491 struct nfs_subversion *);
1492 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1493 struct nfs_fattr *, struct nfs4_label *);
1494 int (*setattr) (struct dentry *, struct nfs_fattr *,
1495 struct iattr *);
1496 int (*lookup) (struct inode *, struct qstr *,
1497 struct nfs_fh *, struct nfs_fattr *,
1498 struct nfs4_label *);
1499 int (*access) (struct inode *, struct nfs_access_entry *);
1500 int (*readlink)(struct inode *, struct page *, unsigned int,
1501 unsigned int);
1502 int (*create) (struct inode *, struct dentry *,
1503 struct iattr *, int);
1504 int (*remove) (struct inode *, struct qstr *);
1505 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1506 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1507 int (*unlink_done) (struct rpc_task *, struct inode *);
1508 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1509 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1510 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1511 int (*link) (struct inode *, struct inode *, struct qstr *);
1512 int (*symlink) (struct inode *, struct dentry *, struct page *,
1513 unsigned int, struct iattr *);
1514 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1515 int (*rmdir) (struct inode *, struct qstr *);
1516 int (*readdir) (struct dentry *, struct rpc_cred *,
1517 u64, struct page **, unsigned int, int);
1518 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1519 dev_t);
1520 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1521 struct nfs_fsstat *);
1522 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1523 struct nfs_fsinfo *);
1524 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1525 struct nfs_pathconf *);
1526 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1527 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1528 int (*pgio_rpc_prepare)(struct rpc_task *,
1529 struct nfs_pgio_header *);
1530 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1531 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1532 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
1533 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
1534 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1535 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1536 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1537 int (*lock)(struct file *, int, struct file_lock *);
1538 int (*lock_check_bounds)(const struct file_lock *);
1539 void (*clear_acl_cache)(struct inode *);
1540 void (*close_context)(struct nfs_open_context *ctx, int);
1541 struct inode * (*open_context) (struct inode *dir,
1542 struct nfs_open_context *ctx,
1543 int open_flags,
1544 struct iattr *iattr,
1545 int *);
1546 int (*have_delegation)(struct inode *, fmode_t);
1547 int (*return_delegation)(struct inode *);
1548 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1549 struct nfs_client *
1550 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1551 const char *);
1552 void (*free_client) (struct nfs_client *);
1553 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1554 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1555 struct nfs_fattr *, rpc_authflavor_t);
1556 };
1557
1558 /*
1559 * NFS_CALL(getattr, inode, (fattr));
1560 * into
1561 * NFS_PROTO(inode)->getattr(fattr);
1562 */
1563 #define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1564
1565 /*
1566 * Function vectors etc. for the NFS client
1567 */
1568 extern const struct nfs_rpc_ops nfs_v2_clientops;
1569 extern const struct nfs_rpc_ops nfs_v3_clientops;
1570 extern const struct nfs_rpc_ops nfs_v4_clientops;
1571 extern const struct rpc_version nfs_version2;
1572 extern const struct rpc_version nfs_version3;
1573 extern const struct rpc_version nfs_version4;
1574
1575 extern const struct rpc_version nfsacl_version3;
1576 extern const struct rpc_program nfsacl_program;
1577
1578 #endif
Linux with added FPC-III support