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
9
10
11
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
17struct nfs4_string {
18 unsigned int len;
19 char *data;
20};
21
22struct nfs_fsid {
23 uint64_t major;
24 uint64_t minor;
25};
26
27
28
29
30static 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
35struct 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
44struct nfs_fattr {
45 unsigned int 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;
68 __u64 pre_change_attr;
69 __u64 pre_size;
70 struct timespec pre_mtime;
71 struct timespec pre_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;
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
129
130struct nfs_fsinfo {
131 struct nfs_fattr *fattr;
132 __u32 rtmax;
133 __u32 rtpref;
134 __u32 rtmult;
135 __u32 wtmax;
136 __u32 wtpref;
137 __u32 wtmult;
138 __u32 dtpref;
139 __u64 maxfilesize;
140 struct timespec time_delta;
141 __u32 lease_time;
142 __u32 layouttype;
143 __u32 blksize;
144 __u32 clone_blksize;
145};
146
147struct nfs_fsstat {
148 struct nfs_fattr *fattr;
149 __u64 tbytes;
150 __u64 fbytes;
151 __u64 abytes;
152 __u64 tfiles;
153 __u64 ffiles;
154 __u64 afiles;
155};
156
157struct nfs2_fsstat {
158 __u32 tsize;
159 __u32 bsize;
160 __u32 blocks;
161 __u32 bfree;
162 __u32 bavail;
163};
164
165struct nfs_pathconf {
166 struct nfs_fattr *fattr;
167 __u32 max_link;
168 __u32 max_namelen;
169};
170
171struct nfs4_change_info {
172 u32 atomic;
173 u64 before;
174 u64 after;
175};
176
177struct nfs_seqid;
178
179
180struct 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
188struct nfs4_slot;
189struct nfs4_sequence_args {
190 struct nfs4_slot *sa_slot;
191 u8 sa_cache_this : 1,
192 sa_privileged : 1;
193};
194
195struct nfs4_sequence_res {
196 struct nfs4_slot *sr_slot;
197 unsigned long sr_timestamp;
198 int sr_status;
199 u32 sr_status_flags;
200 u32 sr_highest_slotid;
201 u32 sr_target_highest_slotid;
202};
203
204struct nfs4_get_lease_time_args {
205 struct nfs4_sequence_args la_seq_args;
206};
207
208struct 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
215struct nfs4_layoutdriver_data {
216 struct page **pages;
217 __u32 pglen;
218 __u32 len;
219};
220
221struct pnfs_layout_range {
222 u32 iomode;
223 u64 offset;
224 u64 length;
225};
226
227struct 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
240struct 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
249struct nfs4_layoutget {
250 struct nfs4_layoutget_args args;
251 struct nfs4_layoutget_res res;
252 struct rpc_cred *cred;
253 gfp_t gfp_flags;
254 long timeout;
255};
256
257struct nfs4_getdeviceinfo_args {
258 struct nfs4_sequence_args seq_args;
259 struct pnfs_device *pdev;
260 __u32 notify_types;
261};
262
263struct nfs4_getdeviceinfo_res {
264 struct nfs4_sequence_res seq_res;
265 struct pnfs_device *pdev;
266 __u32 notification;
267};
268
269struct nfs4_layoutcommit_args {
270 struct nfs4_sequence_args seq_args;
271 nfs4_stateid stateid;
272 __u64 lastbytewritten;
273 struct inode *inode;
274 const u32 *bitmask;
275 size_t layoutupdate_len;
276 struct page *layoutupdate_page;
277 struct page **layoutupdate_pages;
278 __be32 *start_p;
279};
280
281struct nfs4_layoutcommit_res {
282 struct nfs4_sequence_res seq_res;
283 struct nfs_fattr *fattr;
284 const struct nfs_server *server;
285 int status;
286};
287
288struct nfs4_layoutcommit_data {
289 struct rpc_task task;
290 struct nfs_fattr fattr;
291 struct list_head lseg_list;
292 struct rpc_cred *cred;
293 struct inode *inode;
294 struct nfs4_layoutcommit_args args;
295 struct nfs4_layoutcommit_res res;
296};
297
298struct nfs4_layoutreturn_args {
299 struct nfs4_sequence_args seq_args;
300 struct pnfs_layout_hdr *layout;
301 struct inode *inode;
302 struct pnfs_layout_range range;
303 nfs4_stateid stateid;
304 __u32 layout_type;
305};
306
307struct nfs4_layoutreturn_res {
308 struct nfs4_sequence_res seq_res;
309 u32 lrs_present;
310 nfs4_stateid stateid;
311};
312
313struct nfs4_layoutreturn {
314 struct nfs4_layoutreturn_args args;
315 struct nfs4_layoutreturn_res res;
316 struct rpc_cred *cred;
317 struct nfs_client *clp;
318 struct inode *inode;
319 int rpc_status;
320};
321
322#define PNFS_LAYOUTSTATS_MAXSIZE 256
323
324struct nfs42_layoutstat_args;
325struct nfs42_layoutstat_devinfo;
326typedef void (*layoutstats_encode_t)(struct xdr_stream *,
327 struct nfs42_layoutstat_args *,
328 struct nfs42_layoutstat_devinfo *);
329
330
331struct nfs42_layoutstat_devinfo {
332 struct nfs4_deviceid dev_id;
333 __u64 offset;
334 __u64 length;
335 __u64 read_count;
336 __u64 read_bytes;
337 __u64 write_count;
338 __u64 write_bytes;
339 __u32 layout_type;
340 layoutstats_encode_t layoutstats_encode;
341 void *layout_private;
342};
343
344struct nfs42_layoutstat_args {
345 struct nfs4_sequence_args seq_args;
346 struct nfs_fh *fh;
347 struct inode *inode;
348 nfs4_stateid stateid;
349 int num_dev;
350 struct nfs42_layoutstat_devinfo *devinfo;
351};
352
353struct nfs42_layoutstat_res {
354 struct nfs4_sequence_res seq_res;
355 int num_dev;
356 int rpc_status;
357};
358
359struct nfs42_layoutstat_data {
360 struct inode *inode;
361 struct nfs42_layoutstat_args args;
362 struct nfs42_layoutstat_res res;
363};
364
365struct nfs42_clone_args {
366 struct nfs4_sequence_args seq_args;
367 struct nfs_fh *src_fh;
368 struct nfs_fh *dst_fh;
369 nfs4_stateid src_stateid;
370 nfs4_stateid dst_stateid;
371 __u64 src_offset;
372 __u64 dst_offset;
373 __u64 count;
374 const u32 *dst_bitmask;
375};
376
377struct nfs42_clone_res {
378 struct nfs4_sequence_res seq_res;
379 unsigned int rpc_status;
380 struct nfs_fattr *dst_fattr;
381 const struct nfs_server *server;
382};
383
384struct stateowner_id {
385 __u64 create_time;
386 __u32 uniquifier;
387};
388
389
390
391
392struct nfs_openargs {
393 struct nfs4_sequence_args seq_args;
394 const struct nfs_fh * fh;
395 struct nfs_seqid * seqid;
396 int open_flags;
397 fmode_t fmode;
398 u32 share_access;
399 u32 access;
400 __u64 clientid;
401 struct stateowner_id id;
402 union {
403 struct {
404 struct iattr * attrs;
405 nfs4_verifier verifier;
406 };
407 nfs4_stateid delegation;
408 fmode_t delegation_type;
409 } u;
410 const struct qstr * name;
411 const struct nfs_server *server;
412 const u32 * bitmask;
413 const u32 * open_bitmap;
414 enum open_claim_type4 claim;
415 enum createmode4 createmode;
416 const struct nfs4_label *label;
417};
418
419struct nfs_openres {
420 struct nfs4_sequence_res seq_res;
421 nfs4_stateid stateid;
422 struct nfs_fh fh;
423 struct nfs4_change_info cinfo;
424 __u32 rflags;
425 struct nfs_fattr * f_attr;
426 struct nfs4_label *f_label;
427 struct nfs_seqid * seqid;
428 const struct nfs_server *server;
429 fmode_t delegation_type;
430 nfs4_stateid delegation;
431 unsigned long pagemod_limit;
432 __u32 do_recall;
433 __u32 attrset[NFS4_BITMAP_SIZE];
434 struct nfs4_string *owner;
435 struct nfs4_string *group_owner;
436 __u32 access_request;
437 __u32 access_supported;
438 __u32 access_result;
439};
440
441
442
443
444struct nfs_open_confirmargs {
445 struct nfs4_sequence_args seq_args;
446 const struct nfs_fh * fh;
447 nfs4_stateid * stateid;
448 struct nfs_seqid * seqid;
449};
450
451struct nfs_open_confirmres {
452 struct nfs4_sequence_res seq_res;
453 nfs4_stateid stateid;
454 struct nfs_seqid * seqid;
455};
456
457
458
459
460struct nfs_closeargs {
461 struct nfs4_sequence_args seq_args;
462 struct nfs_fh * fh;
463 nfs4_stateid stateid;
464 struct nfs_seqid * seqid;
465 fmode_t fmode;
466 u32 share_access;
467 const u32 * bitmask;
468};
469
470struct nfs_closeres {
471 struct nfs4_sequence_res seq_res;
472 nfs4_stateid stateid;
473 struct nfs_fattr * fattr;
474 struct nfs_seqid * seqid;
475 const struct nfs_server *server;
476};
477
478
479
480struct nfs_lowner {
481 __u64 clientid;
482 __u64 id;
483 dev_t s_dev;
484};
485
486struct nfs_lock_args {
487 struct nfs4_sequence_args seq_args;
488 struct nfs_fh * fh;
489 struct file_lock * fl;
490 struct nfs_seqid * lock_seqid;
491 nfs4_stateid lock_stateid;
492 struct nfs_seqid * open_seqid;
493 nfs4_stateid open_stateid;
494 struct nfs_lowner lock_owner;
495 unsigned char block : 1;
496 unsigned char reclaim : 1;
497 unsigned char new_lock : 1;
498 unsigned char new_lock_owner : 1;
499};
500
501struct nfs_lock_res {
502 struct nfs4_sequence_res seq_res;
503 nfs4_stateid stateid;
504 struct nfs_seqid * lock_seqid;
505 struct nfs_seqid * open_seqid;
506};
507
508struct nfs_locku_args {
509 struct nfs4_sequence_args seq_args;
510 struct nfs_fh * fh;
511 struct file_lock * fl;
512 struct nfs_seqid * seqid;
513 nfs4_stateid stateid;
514};
515
516struct nfs_locku_res {
517 struct nfs4_sequence_res seq_res;
518 nfs4_stateid stateid;
519 struct nfs_seqid * seqid;
520};
521
522struct nfs_lockt_args {
523 struct nfs4_sequence_args seq_args;
524 struct nfs_fh * fh;
525 struct file_lock * fl;
526 struct nfs_lowner lock_owner;
527};
528
529struct nfs_lockt_res {
530 struct nfs4_sequence_res seq_res;
531 struct file_lock * denied;
532};
533
534struct nfs_release_lockowner_args {
535 struct nfs4_sequence_args seq_args;
536 struct nfs_lowner lock_owner;
537};
538
539struct nfs_release_lockowner_res {
540 struct nfs4_sequence_res seq_res;
541};
542
543struct nfs4_delegreturnargs {
544 struct nfs4_sequence_args seq_args;
545 const struct nfs_fh *fhandle;
546 const nfs4_stateid *stateid;
547 const u32 * bitmask;
548};
549
550struct nfs4_delegreturnres {
551 struct nfs4_sequence_res seq_res;
552 struct nfs_fattr * fattr;
553 struct nfs_server *server;
554};
555
556
557
558
559struct nfs_write_verifier {
560 char data[8];
561};
562
563struct nfs_writeverf {
564 struct nfs_write_verifier verifier;
565 enum nfs3_stable_how committed;
566};
567
568
569
570
571struct nfs_pgio_args {
572 struct nfs4_sequence_args seq_args;
573 struct nfs_fh * fh;
574 struct nfs_open_context *context;
575 struct nfs_lock_context *lock_context;
576 nfs4_stateid stateid;
577 __u64 offset;
578 __u32 count;
579 unsigned int pgbase;
580 struct page ** pages;
581 const u32 * bitmask;
582 enum nfs3_stable_how stable;
583};
584
585struct nfs_pgio_res {
586 struct nfs4_sequence_res seq_res;
587 struct nfs_fattr * fattr;
588 __u32 count;
589 __u32 op_status;
590 int eof;
591 struct nfs_writeverf * verf;
592 const struct nfs_server *server;
593
594};
595
596
597
598
599struct nfs_commitargs {
600 struct nfs4_sequence_args seq_args;
601 struct nfs_fh *fh;
602 __u64 offset;
603 __u32 count;
604 const u32 *bitmask;
605};
606
607struct nfs_commitres {
608 struct nfs4_sequence_res seq_res;
609 __u32 op_status;
610 struct nfs_fattr *fattr;
611 struct nfs_writeverf *verf;
612 const struct nfs_server *server;
613};
614
615
616
617
618struct nfs_removeargs {
619 struct nfs4_sequence_args seq_args;
620 const struct nfs_fh *fh;
621 struct qstr name;
622};
623
624struct nfs_removeres {
625 struct nfs4_sequence_res seq_res;
626 struct nfs_server *server;
627 struct nfs_fattr *dir_attr;
628 struct nfs4_change_info cinfo;
629};
630
631
632
633
634struct nfs_renameargs {
635 struct nfs4_sequence_args seq_args;
636 const struct nfs_fh *old_dir;
637 const struct nfs_fh *new_dir;
638 const struct qstr *old_name;
639 const struct qstr *new_name;
640};
641
642struct nfs_renameres {
643 struct nfs4_sequence_res seq_res;
644 struct nfs_server *server;
645 struct nfs4_change_info old_cinfo;
646 struct nfs_fattr *old_fattr;
647 struct nfs4_change_info new_cinfo;
648 struct nfs_fattr *new_fattr;
649};
650
651
652#define NFS_AUTH_INFO_MAX_FLAVORS 12
653struct nfs_auth_info {
654 unsigned int flavor_len;
655 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
656};
657
658
659
660
661struct nfs_entry {
662 __u64 ino;
663 __u64 cookie,
664 prev_cookie;
665 const char * name;
666 unsigned int len;
667 int eof;
668 struct nfs_fh * fh;
669 struct nfs_fattr * fattr;
670 struct nfs4_label *label;
671 unsigned char d_type;
672 struct nfs_server * server;
673};
674
675
676
677
678struct nfs_sattrargs {
679 struct nfs_fh * fh;
680 struct iattr * sattr;
681};
682
683struct nfs_diropargs {
684 struct nfs_fh * fh;
685 const char * name;
686 unsigned int len;
687};
688
689struct nfs_createargs {
690 struct nfs_fh * fh;
691 const char * name;
692 unsigned int len;
693 struct iattr * sattr;
694};
695
696struct nfs_setattrargs {
697 struct nfs4_sequence_args seq_args;
698 struct nfs_fh * fh;
699 nfs4_stateid stateid;
700 struct iattr * iap;
701 const struct nfs_server * server;
702 const u32 * bitmask;
703 const struct nfs4_label *label;
704};
705
706struct nfs_setaclargs {
707 struct nfs4_sequence_args seq_args;
708 struct nfs_fh * fh;
709 size_t acl_len;
710 struct page ** acl_pages;
711};
712
713struct nfs_setaclres {
714 struct nfs4_sequence_res seq_res;
715};
716
717struct nfs_getaclargs {
718 struct nfs4_sequence_args seq_args;
719 struct nfs_fh * fh;
720 size_t acl_len;
721 struct page ** acl_pages;
722};
723
724
725#define NFS4_ACL_TRUNC 0x0001
726struct nfs_getaclres {
727 struct nfs4_sequence_res seq_res;
728 size_t acl_len;
729 size_t acl_data_offset;
730 int acl_flags;
731 struct page * acl_scratch;
732};
733
734struct nfs_setattrres {
735 struct nfs4_sequence_res seq_res;
736 struct nfs_fattr * fattr;
737 struct nfs4_label *label;
738 const struct nfs_server * server;
739};
740
741struct nfs_linkargs {
742 struct nfs_fh * fromfh;
743 struct nfs_fh * tofh;
744 const char * toname;
745 unsigned int tolen;
746};
747
748struct nfs_symlinkargs {
749 struct nfs_fh * fromfh;
750 const char * fromname;
751 unsigned int fromlen;
752 struct page ** pages;
753 unsigned int pathlen;
754 struct iattr * sattr;
755};
756
757struct nfs_readdirargs {
758 struct nfs_fh * fh;
759 __u32 cookie;
760 unsigned int count;
761 struct page ** pages;
762};
763
764struct nfs3_getaclargs {
765 struct nfs_fh * fh;
766 int mask;
767 struct page ** pages;
768};
769
770struct nfs3_setaclargs {
771 struct inode * inode;
772 int mask;
773 struct posix_acl * acl_access;
774 struct posix_acl * acl_default;
775 size_t len;
776 unsigned int npages;
777 struct page ** pages;
778};
779
780struct nfs_diropok {
781 struct nfs_fh * fh;
782 struct nfs_fattr * fattr;
783};
784
785struct nfs_readlinkargs {
786 struct nfs_fh * fh;
787 unsigned int pgbase;
788 unsigned int pglen;
789 struct page ** pages;
790};
791
792struct nfs3_sattrargs {
793 struct nfs_fh * fh;
794 struct iattr * sattr;
795 unsigned int guard;
796 struct timespec guardtime;
797};
798
799struct nfs3_diropargs {
800 struct nfs_fh * fh;
801 const char * name;
802 unsigned int len;
803};
804
805struct nfs3_accessargs {
806 struct nfs_fh * fh;
807 __u32 access;
808};
809
810struct nfs3_createargs {
811 struct nfs_fh * fh;
812 const char * name;
813 unsigned int len;
814 struct iattr * sattr;
815 enum nfs3_createmode createmode;
816 __be32 verifier[2];
817};
818
819struct nfs3_mkdirargs {
820 struct nfs_fh * fh;
821 const char * name;
822 unsigned int len;
823 struct iattr * sattr;
824};
825
826struct nfs3_symlinkargs {
827 struct nfs_fh * fromfh;
828 const char * fromname;
829 unsigned int fromlen;
830 struct page ** pages;
831 unsigned int pathlen;
832 struct iattr * sattr;
833};
834
835struct nfs3_mknodargs {
836 struct nfs_fh * fh;
837 const char * name;
838 unsigned int len;
839 enum nfs3_ftype type;
840 struct iattr * sattr;
841 dev_t rdev;
842};
843
844struct nfs3_linkargs {
845 struct nfs_fh * fromfh;
846 struct nfs_fh * tofh;
847 const char * toname;
848 unsigned int tolen;
849};
850
851struct nfs3_readdirargs {
852 struct nfs_fh * fh;
853 __u64 cookie;
854 __be32 verf[2];
855 int plus;
856 unsigned int count;
857 struct page ** pages;
858};
859
860struct nfs3_diropres {
861 struct nfs_fattr * dir_attr;
862 struct nfs_fh * fh;
863 struct nfs_fattr * fattr;
864};
865
866struct nfs3_accessres {
867 struct nfs_fattr * fattr;
868 __u32 access;
869};
870
871struct nfs3_readlinkargs {
872 struct nfs_fh * fh;
873 unsigned int pgbase;
874 unsigned int pglen;
875 struct page ** pages;
876};
877
878struct nfs3_linkres {
879 struct nfs_fattr * dir_attr;
880 struct nfs_fattr * fattr;
881};
882
883struct nfs3_readdirres {
884 struct nfs_fattr * dir_attr;
885 __be32 * verf;
886 int plus;
887};
888
889struct nfs3_getaclres {
890 struct nfs_fattr * fattr;
891 int mask;
892 unsigned int acl_access_count;
893 unsigned int acl_default_count;
894 struct posix_acl * acl_access;
895 struct posix_acl * acl_default;
896};
897
898#if IS_ENABLED(CONFIG_NFS_V4)
899
900typedef u64 clientid4;
901
902struct nfs4_accessargs {
903 struct nfs4_sequence_args seq_args;
904 const struct nfs_fh * fh;
905 const u32 * bitmask;
906 u32 access;
907};
908
909struct nfs4_accessres {
910 struct nfs4_sequence_res seq_res;
911 const struct nfs_server * server;
912 struct nfs_fattr * fattr;
913 u32 supported;
914 u32 access;
915};
916
917struct nfs4_create_arg {
918 struct nfs4_sequence_args seq_args;
919 u32 ftype;
920 union {
921 struct {
922 struct page ** pages;
923 unsigned int len;
924 } symlink;
925 struct {
926 u32 specdata1;
927 u32 specdata2;
928 } device;
929 } u;
930 const struct qstr * name;
931 const struct nfs_server * server;
932 const struct iattr * attrs;
933 const struct nfs_fh * dir_fh;
934 const u32 * bitmask;
935 const struct nfs4_label *label;
936};
937
938struct nfs4_create_res {
939 struct nfs4_sequence_res seq_res;
940 const struct nfs_server * server;
941 struct nfs_fh * fh;
942 struct nfs_fattr * fattr;
943 struct nfs4_label *label;
944 struct nfs4_change_info dir_cinfo;
945};
946
947struct nfs4_fsinfo_arg {
948 struct nfs4_sequence_args seq_args;
949 const struct nfs_fh * fh;
950 const u32 * bitmask;
951};
952
953struct nfs4_fsinfo_res {
954 struct nfs4_sequence_res seq_res;
955 struct nfs_fsinfo *fsinfo;
956};
957
958struct nfs4_getattr_arg {
959 struct nfs4_sequence_args seq_args;
960 const struct nfs_fh * fh;
961 const u32 * bitmask;
962};
963
964struct nfs4_getattr_res {
965 struct nfs4_sequence_res seq_res;
966 const struct nfs_server * server;
967 struct nfs_fattr * fattr;
968 struct nfs4_label *label;
969};
970
971struct nfs4_link_arg {
972 struct nfs4_sequence_args seq_args;
973 const struct nfs_fh * fh;
974 const struct nfs_fh * dir_fh;
975 const struct qstr * name;
976 const u32 * bitmask;
977};
978
979struct nfs4_link_res {
980 struct nfs4_sequence_res seq_res;
981 const struct nfs_server * server;
982 struct nfs_fattr * fattr;
983 struct nfs4_label *label;
984 struct nfs4_change_info cinfo;
985 struct nfs_fattr * dir_attr;
986};
987
988
989struct nfs4_lookup_arg {
990 struct nfs4_sequence_args seq_args;
991 const struct nfs_fh * dir_fh;
992 const struct qstr * name;
993 const u32 * bitmask;
994};
995
996struct nfs4_lookup_res {
997 struct nfs4_sequence_res seq_res;
998 const struct nfs_server * server;
999 struct nfs_fattr * fattr;
1000 struct nfs_fh * fh;
1001 struct nfs4_label *label;
1002};
1003
1004struct nfs4_lookup_root_arg {
1005 struct nfs4_sequence_args seq_args;
1006 const u32 * bitmask;
1007};
1008
1009struct nfs4_pathconf_arg {
1010 struct nfs4_sequence_args seq_args;
1011 const struct nfs_fh * fh;
1012 const u32 * bitmask;
1013};
1014
1015struct nfs4_pathconf_res {
1016 struct nfs4_sequence_res seq_res;
1017 struct nfs_pathconf *pathconf;
1018};
1019
1020struct nfs4_readdir_arg {
1021 struct nfs4_sequence_args seq_args;
1022 const struct nfs_fh * fh;
1023 u64 cookie;
1024 nfs4_verifier verifier;
1025 u32 count;
1026 struct page ** pages;
1027 unsigned int pgbase;
1028 const u32 * bitmask;
1029 int plus;
1030};
1031
1032struct nfs4_readdir_res {
1033 struct nfs4_sequence_res seq_res;
1034 nfs4_verifier verifier;
1035 unsigned int pgbase;
1036};
1037
1038struct nfs4_readlink {
1039 struct nfs4_sequence_args seq_args;
1040 const struct nfs_fh * fh;
1041 unsigned int pgbase;
1042 unsigned int pglen;
1043 struct page ** pages;
1044};
1045
1046struct nfs4_readlink_res {
1047 struct nfs4_sequence_res seq_res;
1048};
1049
1050struct nfs4_setclientid {
1051 const nfs4_verifier * sc_verifier;
1052 u32 sc_prog;
1053 unsigned int sc_netid_len;
1054 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1055 unsigned int sc_uaddr_len;
1056 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
1057 struct nfs_client *sc_clnt;
1058 struct rpc_cred *sc_cred;
1059};
1060
1061struct nfs4_setclientid_res {
1062 u64 clientid;
1063 nfs4_verifier confirm;
1064};
1065
1066struct nfs4_statfs_arg {
1067 struct nfs4_sequence_args seq_args;
1068 const struct nfs_fh * fh;
1069 const u32 * bitmask;
1070};
1071
1072struct nfs4_statfs_res {
1073 struct nfs4_sequence_res seq_res;
1074 struct nfs_fsstat *fsstat;
1075};
1076
1077struct nfs4_server_caps_arg {
1078 struct nfs4_sequence_args seq_args;
1079 struct nfs_fh *fhandle;
1080 const u32 * bitmask;
1081};
1082
1083struct nfs4_server_caps_res {
1084 struct nfs4_sequence_res seq_res;
1085 u32 attr_bitmask[3];
1086 u32 exclcreat_bitmask[3];
1087 u32 acl_bitmask;
1088 u32 has_links;
1089 u32 has_symlinks;
1090 u32 fh_expire_type;
1091};
1092
1093#define NFS4_PATHNAME_MAXCOMPONENTS 512
1094struct nfs4_pathname {
1095 unsigned int ncomponents;
1096 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1097};
1098
1099#define NFS4_FS_LOCATION_MAXSERVERS 10
1100struct nfs4_fs_location {
1101 unsigned int nservers;
1102 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1103 struct nfs4_pathname rootpath;
1104};
1105
1106#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1107struct nfs4_fs_locations {
1108 struct nfs_fattr fattr;
1109 const struct nfs_server *server;
1110 struct nfs4_pathname fs_path;
1111 int nlocations;
1112 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1113};
1114
1115struct nfs4_fs_locations_arg {
1116 struct nfs4_sequence_args seq_args;
1117 const struct nfs_fh *dir_fh;
1118 const struct nfs_fh *fh;
1119 const struct qstr *name;
1120 struct page *page;
1121 const u32 *bitmask;
1122 clientid4 clientid;
1123 unsigned char migration:1, renew:1;
1124};
1125
1126struct nfs4_fs_locations_res {
1127 struct nfs4_sequence_res seq_res;
1128 struct nfs4_fs_locations *fs_locations;
1129 unsigned char migration:1, renew:1;
1130};
1131
1132struct nfs4_secinfo4 {
1133 u32 flavor;
1134 struct rpcsec_gss_info flavor_info;
1135};
1136
1137struct nfs4_secinfo_flavors {
1138 unsigned int num_flavors;
1139 struct nfs4_secinfo4 flavors[0];
1140};
1141
1142struct nfs4_secinfo_arg {
1143 struct nfs4_sequence_args seq_args;
1144 const struct nfs_fh *dir_fh;
1145 const struct qstr *name;
1146};
1147
1148struct nfs4_secinfo_res {
1149 struct nfs4_sequence_res seq_res;
1150 struct nfs4_secinfo_flavors *flavors;
1151};
1152
1153struct nfs4_fsid_present_arg {
1154 struct nfs4_sequence_args seq_args;
1155 const struct nfs_fh *fh;
1156 clientid4 clientid;
1157 unsigned char renew:1;
1158};
1159
1160struct nfs4_fsid_present_res {
1161 struct nfs4_sequence_res seq_res;
1162 struct nfs_fh *fh;
1163 unsigned char renew:1;
1164};
1165
1166#endif
1167
1168struct nfstime4 {
1169 u64 seconds;
1170 u32 nseconds;
1171};
1172
1173#ifdef CONFIG_NFS_V4_1
1174
1175struct pnfs_commit_bucket {
1176 struct list_head written;
1177 struct list_head committing;
1178 struct pnfs_layout_segment *wlseg;
1179 struct pnfs_layout_segment *clseg;
1180 struct nfs_writeverf direct_verf;
1181};
1182
1183struct pnfs_ds_commit_info {
1184 int nwritten;
1185 int ncommitting;
1186 int nbuckets;
1187 struct pnfs_commit_bucket *buckets;
1188};
1189
1190#define NFS4_OP_MAP_NUM_LONGS \
1191 DIV_ROUND_UP(LAST_NFS4_OP, 8 * sizeof(unsigned long))
1192#define NFS4_OP_MAP_NUM_WORDS \
1193 (NFS4_OP_MAP_NUM_LONGS * sizeof(unsigned long) / sizeof(u32))
1194struct nfs4_op_map {
1195 union {
1196 unsigned long longs[NFS4_OP_MAP_NUM_LONGS];
1197 u32 words[NFS4_OP_MAP_NUM_WORDS];
1198 } u;
1199};
1200
1201struct nfs41_state_protection {
1202 u32 how;
1203 struct nfs4_op_map enforce;
1204 struct nfs4_op_map allow;
1205};
1206
1207struct nfs41_exchange_id_args {
1208 struct nfs_client *client;
1209 nfs4_verifier *verifier;
1210 u32 flags;
1211 struct nfs41_state_protection state_protect;
1212};
1213
1214struct nfs41_server_owner {
1215 uint64_t minor_id;
1216 uint32_t major_id_sz;
1217 char major_id[NFS4_OPAQUE_LIMIT];
1218};
1219
1220struct nfs41_server_scope {
1221 uint32_t server_scope_sz;
1222 char server_scope[NFS4_OPAQUE_LIMIT];
1223};
1224
1225struct nfs41_impl_id {
1226 char domain[NFS4_OPAQUE_LIMIT + 1];
1227 char name[NFS4_OPAQUE_LIMIT + 1];
1228 struct nfstime4 date;
1229};
1230
1231struct nfs41_bind_conn_to_session_args {
1232 struct nfs_client *client;
1233 struct nfs4_sessionid sessionid;
1234 u32 dir;
1235 bool use_conn_in_rdma_mode;
1236};
1237
1238struct nfs41_bind_conn_to_session_res {
1239 struct nfs4_sessionid sessionid;
1240 u32 dir;
1241 bool use_conn_in_rdma_mode;
1242};
1243
1244struct nfs41_exchange_id_res {
1245 u64 clientid;
1246 u32 seqid;
1247 u32 flags;
1248 struct nfs41_server_owner *server_owner;
1249 struct nfs41_server_scope *server_scope;
1250 struct nfs41_impl_id *impl_id;
1251 struct nfs41_state_protection state_protect;
1252};
1253
1254struct nfs41_create_session_args {
1255 struct nfs_client *client;
1256 u64 clientid;
1257 uint32_t seqid;
1258 uint32_t flags;
1259 uint32_t cb_program;
1260 struct nfs4_channel_attrs fc_attrs;
1261 struct nfs4_channel_attrs bc_attrs;
1262};
1263
1264struct nfs41_create_session_res {
1265 struct nfs4_sessionid sessionid;
1266 uint32_t seqid;
1267 uint32_t flags;
1268 struct nfs4_channel_attrs fc_attrs;
1269 struct nfs4_channel_attrs bc_attrs;
1270};
1271
1272struct nfs41_reclaim_complete_args {
1273 struct nfs4_sequence_args seq_args;
1274
1275 unsigned char one_fs:1;
1276};
1277
1278struct nfs41_reclaim_complete_res {
1279 struct nfs4_sequence_res seq_res;
1280};
1281
1282#define SECINFO_STYLE_CURRENT_FH 0
1283#define SECINFO_STYLE_PARENT 1
1284struct nfs41_secinfo_no_name_args {
1285 struct nfs4_sequence_args seq_args;
1286 int style;
1287};
1288
1289struct nfs41_test_stateid_args {
1290 struct nfs4_sequence_args seq_args;
1291 nfs4_stateid *stateid;
1292};
1293
1294struct nfs41_test_stateid_res {
1295 struct nfs4_sequence_res seq_res;
1296 unsigned int status;
1297};
1298
1299struct nfs41_free_stateid_args {
1300 struct nfs4_sequence_args seq_args;
1301 nfs4_stateid stateid;
1302};
1303
1304struct nfs41_free_stateid_res {
1305 struct nfs4_sequence_res seq_res;
1306 unsigned int status;
1307};
1308
1309static inline void
1310nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1311{
1312 kfree(cinfo->buckets);
1313}
1314
1315#else
1316
1317struct pnfs_ds_commit_info {
1318};
1319
1320static inline void
1321nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1322{
1323}
1324
1325#endif
1326
1327#ifdef CONFIG_NFS_V4_2
1328struct nfs42_falloc_args {
1329 struct nfs4_sequence_args seq_args;
1330
1331 struct nfs_fh *falloc_fh;
1332 nfs4_stateid falloc_stateid;
1333 u64 falloc_offset;
1334 u64 falloc_length;
1335 const u32 *falloc_bitmask;
1336};
1337
1338struct nfs42_falloc_res {
1339 struct nfs4_sequence_res seq_res;
1340 unsigned int status;
1341
1342 struct nfs_fattr *falloc_fattr;
1343 const struct nfs_server *falloc_server;
1344};
1345
1346struct nfs42_seek_args {
1347 struct nfs4_sequence_args seq_args;
1348
1349 struct nfs_fh *sa_fh;
1350 nfs4_stateid sa_stateid;
1351 u64 sa_offset;
1352 u32 sa_what;
1353};
1354
1355struct nfs42_seek_res {
1356 struct nfs4_sequence_res seq_res;
1357 unsigned int status;
1358
1359 u32 sr_eof;
1360 u64 sr_offset;
1361};
1362#endif
1363
1364struct nfs_page;
1365
1366#define NFS_PAGEVEC_SIZE (8U)
1367
1368struct nfs_page_array {
1369 struct page **pagevec;
1370 unsigned int npages;
1371 struct page *page_array[NFS_PAGEVEC_SIZE];
1372};
1373
1374
1375enum {
1376 NFS_IOHDR_ERROR = 0,
1377 NFS_IOHDR_EOF,
1378 NFS_IOHDR_REDO,
1379 NFS_IOHDR_STAT,
1380};
1381
1382struct nfs_pgio_header {
1383 struct inode *inode;
1384 struct rpc_cred *cred;
1385 struct list_head pages;
1386 struct nfs_page *req;
1387 struct nfs_writeverf verf;
1388 struct pnfs_layout_segment *lseg;
1389 loff_t io_start;
1390 const struct rpc_call_ops *mds_ops;
1391 void (*release) (struct nfs_pgio_header *hdr);
1392 const struct nfs_pgio_completion_ops *completion_ops;
1393 const struct nfs_rw_ops *rw_ops;
1394 struct nfs_direct_req *dreq;
1395 void *layout_private;
1396 spinlock_t lock;
1397
1398 int pnfs_error;
1399 int error;
1400 unsigned long good_bytes;
1401 unsigned long flags;
1402
1403
1404
1405
1406 struct rpc_task task;
1407 struct nfs_fattr fattr;
1408 struct nfs_pgio_args args;
1409 struct nfs_pgio_res res;
1410 unsigned long timestamp;
1411 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1412 __u64 mds_offset;
1413 struct nfs_page_array page_array;
1414 struct nfs_client *ds_clp;
1415 int ds_commit_idx;
1416 int pgio_mirror_idx;
1417};
1418
1419struct nfs_mds_commit_info {
1420 atomic_t rpcs_out;
1421 unsigned long ncommit;
1422 struct list_head list;
1423};
1424
1425struct nfs_commit_info;
1426struct nfs_commit_data;
1427struct nfs_inode;
1428struct nfs_commit_completion_ops {
1429 void (*completion) (struct nfs_commit_data *data);
1430 void (*resched_write) (struct nfs_commit_info *, struct nfs_page *);
1431};
1432
1433struct nfs_commit_info {
1434 spinlock_t *lock;
1435 struct nfs_mds_commit_info *mds;
1436 struct pnfs_ds_commit_info *ds;
1437 struct nfs_direct_req *dreq;
1438 const struct nfs_commit_completion_ops *completion_ops;
1439};
1440
1441struct nfs_commit_data {
1442 struct rpc_task task;
1443 struct inode *inode;
1444 struct rpc_cred *cred;
1445 struct nfs_fattr fattr;
1446 struct nfs_writeverf verf;
1447 struct list_head pages;
1448 struct list_head list;
1449 struct nfs_direct_req *dreq;
1450 struct nfs_commitargs args;
1451 struct nfs_commitres res;
1452 struct nfs_open_context *context;
1453 struct pnfs_layout_segment *lseg;
1454 struct nfs_client *ds_clp;
1455 int ds_commit_index;
1456 loff_t lwb;
1457 const struct rpc_call_ops *mds_ops;
1458 const struct nfs_commit_completion_ops *completion_ops;
1459 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1460 unsigned long flags;
1461};
1462
1463struct nfs_pgio_completion_ops {
1464 void (*error_cleanup)(struct list_head *head);
1465 void (*init_hdr)(struct nfs_pgio_header *hdr);
1466 void (*completion)(struct nfs_pgio_header *hdr);
1467 void (*reschedule_io)(struct nfs_pgio_header *hdr);
1468};
1469
1470struct nfs_unlinkdata {
1471 struct hlist_node list;
1472 struct nfs_removeargs args;
1473 struct nfs_removeres res;
1474 struct inode *dir;
1475 struct rpc_cred *cred;
1476 struct nfs_fattr dir_attr;
1477 long timeout;
1478};
1479
1480struct nfs_renamedata {
1481 struct nfs_renameargs args;
1482 struct nfs_renameres res;
1483 struct rpc_cred *cred;
1484 struct inode *old_dir;
1485 struct dentry *old_dentry;
1486 struct nfs_fattr old_fattr;
1487 struct inode *new_dir;
1488 struct dentry *new_dentry;
1489 struct nfs_fattr new_fattr;
1490 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
1491 long timeout;
1492};
1493
1494struct nfs_access_entry;
1495struct nfs_client;
1496struct rpc_timeout;
1497struct nfs_subversion;
1498struct nfs_mount_info;
1499struct nfs_client_initdata;
1500struct nfs_pageio_descriptor;
1501
1502
1503
1504
1505struct nfs_rpc_ops {
1506 u32 version;
1507 const struct dentry_operations *dentry_ops;
1508 const struct inode_operations *dir_inode_ops;
1509 const struct inode_operations *file_inode_ops;
1510 const struct file_operations *file_ops;
1511
1512 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1513 struct nfs_fsinfo *);
1514 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1515 struct nfs_fh *, struct nfs_fattr *);
1516 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1517 struct nfs_subversion *);
1518 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1519 struct nfs_fattr *, struct nfs4_label *);
1520 int (*setattr) (struct dentry *, struct nfs_fattr *,
1521 struct iattr *);
1522 int (*lookup) (struct inode *, struct qstr *,
1523 struct nfs_fh *, struct nfs_fattr *,
1524 struct nfs4_label *);
1525 int (*access) (struct inode *, struct nfs_access_entry *);
1526 int (*readlink)(struct inode *, struct page *, unsigned int,
1527 unsigned int);
1528 int (*create) (struct inode *, struct dentry *,
1529 struct iattr *, int);
1530 int (*remove) (struct inode *, struct qstr *);
1531 void (*unlink_setup) (struct rpc_message *, struct inode *dir);
1532 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1533 int (*unlink_done) (struct rpc_task *, struct inode *);
1534 void (*rename_setup) (struct rpc_message *msg, struct inode *dir);
1535 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1536 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1537 int (*link) (struct inode *, struct inode *, struct qstr *);
1538 int (*symlink) (struct inode *, struct dentry *, struct page *,
1539 unsigned int, struct iattr *);
1540 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1541 int (*rmdir) (struct inode *, struct qstr *);
1542 int (*readdir) (struct dentry *, struct rpc_cred *,
1543 u64, struct page **, unsigned int, int);
1544 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1545 dev_t);
1546 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1547 struct nfs_fsstat *);
1548 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1549 struct nfs_fsinfo *);
1550 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1551 struct nfs_pathconf *);
1552 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1553 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, int);
1554 int (*pgio_rpc_prepare)(struct rpc_task *,
1555 struct nfs_pgio_header *);
1556 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1557 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1558 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
1559 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
1560 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1561 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1562 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1563 int (*lock)(struct file *, int, struct file_lock *);
1564 int (*lock_check_bounds)(const struct file_lock *);
1565 void (*clear_acl_cache)(struct inode *);
1566 void (*close_context)(struct nfs_open_context *ctx, int);
1567 struct inode * (*open_context) (struct inode *dir,
1568 struct nfs_open_context *ctx,
1569 int open_flags,
1570 struct iattr *iattr,
1571 int *);
1572 int (*have_delegation)(struct inode *, fmode_t);
1573 int (*return_delegation)(struct inode *);
1574 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1575 struct nfs_client *
1576 (*init_client) (struct nfs_client *, const struct rpc_timeout *,
1577 const char *);
1578 void (*free_client) (struct nfs_client *);
1579 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1580 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1581 struct nfs_fattr *, rpc_authflavor_t);
1582};
1583
1584
1585
1586
1587
1588
1589#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1590
1591
1592
1593
1594extern const struct nfs_rpc_ops nfs_v2_clientops;
1595extern const struct nfs_rpc_ops nfs_v3_clientops;
1596extern const struct nfs_rpc_ops nfs_v4_clientops;
1597extern const struct rpc_version nfs_version2;
1598extern const struct rpc_version nfs_version3;
1599extern const struct rpc_version nfs_version4;
1600
1601extern const struct rpc_version nfsacl_version3;
1602extern const struct rpc_program nfsacl_program;
1603
1604#endif
1605