1
2#ifndef _LINUX_NFS_XDR_H
3#define _LINUX_NFS_XDR_H
4
5#include <linux/nfsacl.h>
6#include <linux/sunrpc/gss_api.h>
7
8
9
10
11
12
13
14#define NFS_MAX_FILE_IO_SIZE (1048576U)
15#define NFS_DEF_FILE_IO_SIZE (4096U)
16#define NFS_MIN_FILE_IO_SIZE (1024U)
17
18struct nfs4_string {
19 unsigned int len;
20 char *data;
21};
22
23struct nfs_fsid {
24 uint64_t major;
25 uint64_t minor;
26};
27
28
29
30
31static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
32{
33 return a->major == b->major && a->minor == b->minor;
34}
35
36struct nfs4_threshold {
37 __u32 bm;
38 __u32 l_type;
39 __u64 rd_sz;
40 __u64 wr_sz;
41 __u64 rd_io_sz;
42 __u64 wr_io_sz;
43};
44
45struct nfs_fattr {
46 unsigned int valid;
47 umode_t mode;
48 __u32 nlink;
49 kuid_t uid;
50 kgid_t gid;
51 dev_t rdev;
52 __u64 size;
53 union {
54 struct {
55 __u32 blocksize;
56 __u32 blocks;
57 } nfs2;
58 struct {
59 __u64 used;
60 } nfs3;
61 } du;
62 struct nfs_fsid fsid;
63 __u64 fileid;
64 __u64 mounted_on_fileid;
65 struct timespec atime;
66 struct timespec mtime;
67 struct timespec ctime;
68 __u64 change_attr;
69 __u64 pre_change_attr;
70 __u64 pre_size;
71 struct timespec pre_mtime;
72 struct timespec pre_ctime;
73 unsigned long time_start;
74 unsigned long gencount;
75 struct nfs4_string *owner_name;
76 struct nfs4_string *group_name;
77 struct nfs4_threshold *mdsthreshold;
78};
79
80#define NFS_ATTR_FATTR_TYPE (1U << 0)
81#define NFS_ATTR_FATTR_MODE (1U << 1)
82#define NFS_ATTR_FATTR_NLINK (1U << 2)
83#define NFS_ATTR_FATTR_OWNER (1U << 3)
84#define NFS_ATTR_FATTR_GROUP (1U << 4)
85#define NFS_ATTR_FATTR_RDEV (1U << 5)
86#define NFS_ATTR_FATTR_SIZE (1U << 6)
87#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
88#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
89#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
90#define NFS_ATTR_FATTR_FSID (1U << 10)
91#define NFS_ATTR_FATTR_FILEID (1U << 11)
92#define NFS_ATTR_FATTR_ATIME (1U << 12)
93#define NFS_ATTR_FATTR_MTIME (1U << 13)
94#define NFS_ATTR_FATTR_CTIME (1U << 14)
95#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
96#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
97#define NFS_ATTR_FATTR_CHANGE (1U << 17)
98#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
99#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
100#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
101#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
102#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
103#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
104#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
105#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
106
107#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
108 | NFS_ATTR_FATTR_MODE \
109 | NFS_ATTR_FATTR_NLINK \
110 | NFS_ATTR_FATTR_OWNER \
111 | NFS_ATTR_FATTR_GROUP \
112 | NFS_ATTR_FATTR_RDEV \
113 | NFS_ATTR_FATTR_SIZE \
114 | NFS_ATTR_FATTR_FSID \
115 | NFS_ATTR_FATTR_FILEID \
116 | NFS_ATTR_FATTR_ATIME \
117 | NFS_ATTR_FATTR_MTIME \
118 | NFS_ATTR_FATTR_CTIME \
119 | NFS_ATTR_FATTR_CHANGE)
120#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
121 | NFS_ATTR_FATTR_BLOCKS_USED)
122#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
123 | NFS_ATTR_FATTR_SPACE_USED)
124#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
125 | NFS_ATTR_FATTR_SPACE_USED \
126 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
127
128
129
130
131#define NFS_MAX_LAYOUT_TYPES 8
132
133
134
135
136struct nfs_fsinfo {
137 struct nfs_fattr *fattr;
138 __u32 rtmax;
139 __u32 rtpref;
140 __u32 rtmult;
141 __u32 wtmax;
142 __u32 wtpref;
143 __u32 wtmult;
144 __u32 dtpref;
145 __u64 maxfilesize;
146 struct timespec time_delta;
147 __u32 lease_time;
148 __u32 nlayouttypes;
149 __u32 layouttype[NFS_MAX_LAYOUT_TYPES];
150 __u32 blksize;
151 __u32 clone_blksize;
152};
153
154struct nfs_fsstat {
155 struct nfs_fattr *fattr;
156 __u64 tbytes;
157 __u64 fbytes;
158 __u64 abytes;
159 __u64 tfiles;
160 __u64 ffiles;
161 __u64 afiles;
162};
163
164struct nfs2_fsstat {
165 __u32 tsize;
166 __u32 bsize;
167 __u32 blocks;
168 __u32 bfree;
169 __u32 bavail;
170};
171
172struct nfs_pathconf {
173 struct nfs_fattr *fattr;
174 __u32 max_link;
175 __u32 max_namelen;
176};
177
178struct nfs4_change_info {
179 u32 atomic;
180 u64 before;
181 u64 after;
182};
183
184struct nfs_seqid;
185
186
187struct nfs4_channel_attrs {
188 u32 max_rqst_sz;
189 u32 max_resp_sz;
190 u32 max_resp_sz_cached;
191 u32 max_ops;
192 u32 max_reqs;
193};
194
195struct nfs4_slot;
196struct nfs4_sequence_args {
197 struct nfs4_slot *sa_slot;
198 u8 sa_cache_this : 1,
199 sa_privileged : 1;
200};
201
202struct nfs4_sequence_res {
203 struct nfs4_slot *sr_slot;
204 unsigned long sr_timestamp;
205 int sr_status;
206 u32 sr_status_flags;
207 u32 sr_highest_slotid;
208 u32 sr_target_highest_slotid;
209};
210
211struct nfs4_get_lease_time_args {
212 struct nfs4_sequence_args la_seq_args;
213};
214
215struct nfs4_get_lease_time_res {
216 struct nfs4_sequence_res lr_seq_res;
217 struct nfs_fsinfo *lr_fsinfo;
218};
219
220struct xdr_stream;
221struct nfs4_xdr_opaque_data;
222
223struct nfs4_xdr_opaque_ops {
224 void (*encode)(struct xdr_stream *, const void *args,
225 const struct nfs4_xdr_opaque_data *);
226 void (*free)(struct nfs4_xdr_opaque_data *);
227};
228
229struct nfs4_xdr_opaque_data {
230 const struct nfs4_xdr_opaque_ops *ops;
231 void *data;
232};
233
234#define PNFS_LAYOUT_MAXSIZE 4096
235
236struct nfs4_layoutdriver_data {
237 struct page **pages;
238 __u32 pglen;
239 __u32 len;
240};
241
242struct pnfs_layout_range {
243 u32 iomode;
244 u64 offset;
245 u64 length;
246};
247
248struct nfs4_layoutget_args {
249 struct nfs4_sequence_args seq_args;
250 __u32 type;
251 struct pnfs_layout_range range;
252 __u64 minlength;
253 __u32 maxcount;
254 struct inode *inode;
255 struct nfs_open_context *ctx;
256 nfs4_stateid stateid;
257 struct nfs4_layoutdriver_data layout;
258};
259
260struct nfs4_layoutget_res {
261 struct nfs4_sequence_res seq_res;
262 __u32 return_on_close;
263 struct pnfs_layout_range range;
264 __u32 type;
265 nfs4_stateid stateid;
266 struct nfs4_layoutdriver_data *layoutp;
267};
268
269struct nfs4_layoutget {
270 struct nfs4_layoutget_args args;
271 struct nfs4_layoutget_res res;
272 struct rpc_cred *cred;
273 gfp_t gfp_flags;
274};
275
276struct nfs4_getdeviceinfo_args {
277 struct nfs4_sequence_args seq_args;
278 struct pnfs_device *pdev;
279 __u32 notify_types;
280};
281
282struct nfs4_getdeviceinfo_res {
283 struct nfs4_sequence_res seq_res;
284 struct pnfs_device *pdev;
285 __u32 notification;
286};
287
288struct nfs4_layoutcommit_args {
289 struct nfs4_sequence_args seq_args;
290 nfs4_stateid stateid;
291 __u64 lastbytewritten;
292 struct inode *inode;
293 const u32 *bitmask;
294 size_t layoutupdate_len;
295 struct page *layoutupdate_page;
296 struct page **layoutupdate_pages;
297 __be32 *start_p;
298};
299
300struct nfs4_layoutcommit_res {
301 struct nfs4_sequence_res seq_res;
302 struct nfs_fattr *fattr;
303 const struct nfs_server *server;
304 int status;
305};
306
307struct nfs4_layoutcommit_data {
308 struct rpc_task task;
309 struct nfs_fattr fattr;
310 struct list_head lseg_list;
311 struct rpc_cred *cred;
312 struct inode *inode;
313 struct nfs4_layoutcommit_args args;
314 struct nfs4_layoutcommit_res res;
315};
316
317struct nfs4_layoutreturn_args {
318 struct nfs4_sequence_args seq_args;
319 struct pnfs_layout_hdr *layout;
320 struct inode *inode;
321 struct pnfs_layout_range range;
322 nfs4_stateid stateid;
323 __u32 layout_type;
324 struct nfs4_xdr_opaque_data *ld_private;
325};
326
327struct nfs4_layoutreturn_res {
328 struct nfs4_sequence_res seq_res;
329 u32 lrs_present;
330 nfs4_stateid stateid;
331};
332
333struct nfs4_layoutreturn {
334 struct nfs4_layoutreturn_args args;
335 struct nfs4_layoutreturn_res res;
336 struct rpc_cred *cred;
337 struct nfs_client *clp;
338 struct inode *inode;
339 int rpc_status;
340 struct nfs4_xdr_opaque_data ld_private;
341};
342
343#define PNFS_LAYOUTSTATS_MAXSIZE 256
344
345struct nfs42_layoutstat_args;
346struct nfs42_layoutstat_devinfo;
347typedef void (*layoutstats_encode_t)(struct xdr_stream *,
348 struct nfs42_layoutstat_args *,
349 struct nfs42_layoutstat_devinfo *);
350
351
352struct nfs42_layoutstat_devinfo {
353 struct nfs4_deviceid dev_id;
354 __u64 offset;
355 __u64 length;
356 __u64 read_count;
357 __u64 read_bytes;
358 __u64 write_count;
359 __u64 write_bytes;
360 __u32 layout_type;
361 struct nfs4_xdr_opaque_data ld_private;
362};
363
364struct nfs42_layoutstat_args {
365 struct nfs4_sequence_args seq_args;
366 struct nfs_fh *fh;
367 struct inode *inode;
368 nfs4_stateid stateid;
369 int num_dev;
370 struct nfs42_layoutstat_devinfo *devinfo;
371};
372
373struct nfs42_layoutstat_res {
374 struct nfs4_sequence_res seq_res;
375 int num_dev;
376 int rpc_status;
377};
378
379struct nfs42_layoutstat_data {
380 struct inode *inode;
381 struct nfs42_layoutstat_args args;
382 struct nfs42_layoutstat_res res;
383};
384
385struct nfs42_clone_args {
386 struct nfs4_sequence_args seq_args;
387 struct nfs_fh *src_fh;
388 struct nfs_fh *dst_fh;
389 nfs4_stateid src_stateid;
390 nfs4_stateid dst_stateid;
391 __u64 src_offset;
392 __u64 dst_offset;
393 __u64 count;
394 const u32 *dst_bitmask;
395};
396
397struct nfs42_clone_res {
398 struct nfs4_sequence_res seq_res;
399 unsigned int rpc_status;
400 struct nfs_fattr *dst_fattr;
401 const struct nfs_server *server;
402};
403
404struct stateowner_id {
405 __u64 create_time;
406 __u32 uniquifier;
407};
408
409
410
411
412struct nfs_openargs {
413 struct nfs4_sequence_args seq_args;
414 const struct nfs_fh * fh;
415 struct nfs_seqid * seqid;
416 int open_flags;
417 fmode_t fmode;
418 u32 share_access;
419 u32 access;
420 __u64 clientid;
421 struct stateowner_id id;
422 union {
423 struct {
424 struct iattr * attrs;
425 nfs4_verifier verifier;
426 };
427 nfs4_stateid delegation;
428 fmode_t delegation_type;
429 } u;
430 const struct qstr * name;
431 const struct nfs_server *server;
432 const u32 * bitmask;
433 const u32 * open_bitmap;
434 enum open_claim_type4 claim;
435 enum createmode4 createmode;
436 const struct nfs4_label *label;
437 umode_t umask;
438};
439
440struct nfs_openres {
441 struct nfs4_sequence_res seq_res;
442 nfs4_stateid stateid;
443 struct nfs_fh fh;
444 struct nfs4_change_info cinfo;
445 __u32 rflags;
446 struct nfs_fattr * f_attr;
447 struct nfs4_label *f_label;
448 struct nfs_seqid * seqid;
449 const struct nfs_server *server;
450 fmode_t delegation_type;
451 nfs4_stateid delegation;
452 unsigned long pagemod_limit;
453 __u32 do_recall;
454 __u32 attrset[NFS4_BITMAP_SIZE];
455 struct nfs4_string *owner;
456 struct nfs4_string *group_owner;
457 __u32 access_request;
458 __u32 access_supported;
459 __u32 access_result;
460};
461
462
463
464
465struct nfs_open_confirmargs {
466 struct nfs4_sequence_args seq_args;
467 const struct nfs_fh * fh;
468 nfs4_stateid * stateid;
469 struct nfs_seqid * seqid;
470};
471
472struct nfs_open_confirmres {
473 struct nfs4_sequence_res seq_res;
474 nfs4_stateid stateid;
475 struct nfs_seqid * seqid;
476};
477
478
479
480
481struct nfs_closeargs {
482 struct nfs4_sequence_args seq_args;
483 struct nfs_fh * fh;
484 nfs4_stateid stateid;
485 struct nfs_seqid * seqid;
486 fmode_t fmode;
487 u32 share_access;
488 const u32 * bitmask;
489 struct nfs4_layoutreturn_args *lr_args;
490};
491
492struct nfs_closeres {
493 struct nfs4_sequence_res seq_res;
494 nfs4_stateid stateid;
495 struct nfs_fattr * fattr;
496 struct nfs_seqid * seqid;
497 const struct nfs_server *server;
498 struct nfs4_layoutreturn_res *lr_res;
499 int lr_ret;
500};
501
502
503
504struct nfs_lowner {
505 __u64 clientid;
506 __u64 id;
507 dev_t s_dev;
508};
509
510struct nfs_lock_args {
511 struct nfs4_sequence_args seq_args;
512 struct nfs_fh * fh;
513 struct file_lock * fl;
514 struct nfs_seqid * lock_seqid;
515 nfs4_stateid lock_stateid;
516 struct nfs_seqid * open_seqid;
517 nfs4_stateid open_stateid;
518 struct nfs_lowner lock_owner;
519 unsigned char block : 1;
520 unsigned char reclaim : 1;
521 unsigned char new_lock : 1;
522 unsigned char new_lock_owner : 1;
523};
524
525struct nfs_lock_res {
526 struct nfs4_sequence_res seq_res;
527 nfs4_stateid stateid;
528 struct nfs_seqid * lock_seqid;
529 struct nfs_seqid * open_seqid;
530};
531
532struct nfs_locku_args {
533 struct nfs4_sequence_args seq_args;
534 struct nfs_fh * fh;
535 struct file_lock * fl;
536 struct nfs_seqid * seqid;
537 nfs4_stateid stateid;
538};
539
540struct nfs_locku_res {
541 struct nfs4_sequence_res seq_res;
542 nfs4_stateid stateid;
543 struct nfs_seqid * seqid;
544};
545
546struct nfs_lockt_args {
547 struct nfs4_sequence_args seq_args;
548 struct nfs_fh * fh;
549 struct file_lock * fl;
550 struct nfs_lowner lock_owner;
551};
552
553struct nfs_lockt_res {
554 struct nfs4_sequence_res seq_res;
555 struct file_lock * denied;
556};
557
558struct nfs_release_lockowner_args {
559 struct nfs4_sequence_args seq_args;
560 struct nfs_lowner lock_owner;
561};
562
563struct nfs_release_lockowner_res {
564 struct nfs4_sequence_res seq_res;
565};
566
567struct nfs4_delegreturnargs {
568 struct nfs4_sequence_args seq_args;
569 const struct nfs_fh *fhandle;
570 const nfs4_stateid *stateid;
571 const u32 * bitmask;
572 struct nfs4_layoutreturn_args *lr_args;
573};
574
575struct nfs4_delegreturnres {
576 struct nfs4_sequence_res seq_res;
577 struct nfs_fattr * fattr;
578 struct nfs_server *server;
579 struct nfs4_layoutreturn_res *lr_res;
580 int lr_ret;
581};
582
583
584
585
586struct nfs_write_verifier {
587 char data[8];
588};
589
590struct nfs_writeverf {
591 struct nfs_write_verifier verifier;
592 enum nfs3_stable_how committed;
593};
594
595
596
597
598struct nfs_pgio_args {
599 struct nfs4_sequence_args seq_args;
600 struct nfs_fh * fh;
601 struct nfs_open_context *context;
602 struct nfs_lock_context *lock_context;
603 nfs4_stateid stateid;
604 __u64 offset;
605 __u32 count;
606 unsigned int pgbase;
607 struct page ** pages;
608 const u32 * bitmask;
609 enum nfs3_stable_how stable;
610};
611
612struct nfs_pgio_res {
613 struct nfs4_sequence_res seq_res;
614 struct nfs_fattr * fattr;
615 __u32 count;
616 __u32 op_status;
617 int eof;
618 struct nfs_writeverf * verf;
619 const struct nfs_server *server;
620
621};
622
623
624
625
626struct nfs_commitargs {
627 struct nfs4_sequence_args seq_args;
628 struct nfs_fh *fh;
629 __u64 offset;
630 __u32 count;
631 const u32 *bitmask;
632};
633
634struct nfs_commitres {
635 struct nfs4_sequence_res seq_res;
636 __u32 op_status;
637 struct nfs_fattr *fattr;
638 struct nfs_writeverf *verf;
639 const struct nfs_server *server;
640};
641
642
643
644
645struct nfs_removeargs {
646 struct nfs4_sequence_args seq_args;
647 const struct nfs_fh *fh;
648 struct qstr name;
649};
650
651struct nfs_removeres {
652 struct nfs4_sequence_res seq_res;
653 struct nfs_server *server;
654 struct nfs_fattr *dir_attr;
655 struct nfs4_change_info cinfo;
656};
657
658
659
660
661struct nfs_renameargs {
662 struct nfs4_sequence_args seq_args;
663 const struct nfs_fh *old_dir;
664 const struct nfs_fh *new_dir;
665 const struct qstr *old_name;
666 const struct qstr *new_name;
667};
668
669struct nfs_renameres {
670 struct nfs4_sequence_res seq_res;
671 struct nfs_server *server;
672 struct nfs4_change_info old_cinfo;
673 struct nfs_fattr *old_fattr;
674 struct nfs4_change_info new_cinfo;
675 struct nfs_fattr *new_fattr;
676};
677
678
679#define NFS_AUTH_INFO_MAX_FLAVORS 12
680struct nfs_auth_info {
681 unsigned int flavor_len;
682 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
683};
684
685
686
687
688struct nfs_entry {
689 __u64 ino;
690 __u64 cookie,
691 prev_cookie;
692 const char * name;
693 unsigned int len;
694 int eof;
695 struct nfs_fh * fh;
696 struct nfs_fattr * fattr;
697 struct nfs4_label *label;
698 unsigned char d_type;
699 struct nfs_server * server;
700};
701
702
703
704
705struct nfs_sattrargs {
706 struct nfs_fh * fh;
707 struct iattr * sattr;
708};
709
710struct nfs_diropargs {
711 struct nfs_fh * fh;
712 const char * name;
713 unsigned int len;
714};
715
716struct nfs_createargs {
717 struct nfs_fh * fh;
718 const char * name;
719 unsigned int len;
720 struct iattr * sattr;
721};
722
723struct nfs_setattrargs {
724 struct nfs4_sequence_args seq_args;
725 struct nfs_fh * fh;
726 nfs4_stateid stateid;
727 struct iattr * iap;
728 const struct nfs_server * server;
729 const u32 * bitmask;
730 const struct nfs4_label *label;
731};
732
733struct nfs_setaclargs {
734 struct nfs4_sequence_args seq_args;
735 struct nfs_fh * fh;
736 size_t acl_len;
737 struct page ** acl_pages;
738};
739
740struct nfs_setaclres {
741 struct nfs4_sequence_res seq_res;
742};
743
744struct nfs_getaclargs {
745 struct nfs4_sequence_args seq_args;
746 struct nfs_fh * fh;
747 size_t acl_len;
748 struct page ** acl_pages;
749};
750
751
752#define NFS4_ACL_TRUNC 0x0001
753struct nfs_getaclres {
754 struct nfs4_sequence_res seq_res;
755 size_t acl_len;
756 size_t acl_data_offset;
757 int acl_flags;
758 struct page * acl_scratch;
759};
760
761struct nfs_setattrres {
762 struct nfs4_sequence_res seq_res;
763 struct nfs_fattr * fattr;
764 struct nfs4_label *label;
765 const struct nfs_server * server;
766};
767
768struct nfs_linkargs {
769 struct nfs_fh * fromfh;
770 struct nfs_fh * tofh;
771 const char * toname;
772 unsigned int tolen;
773};
774
775struct nfs_symlinkargs {
776 struct nfs_fh * fromfh;
777 const char * fromname;
778 unsigned int fromlen;
779 struct page ** pages;
780 unsigned int pathlen;
781 struct iattr * sattr;
782};
783
784struct nfs_readdirargs {
785 struct nfs_fh * fh;
786 __u32 cookie;
787 unsigned int count;
788 struct page ** pages;
789};
790
791struct nfs3_getaclargs {
792 struct nfs_fh * fh;
793 int mask;
794 struct page ** pages;
795};
796
797struct nfs3_setaclargs {
798 struct inode * inode;
799 int mask;
800 struct posix_acl * acl_access;
801 struct posix_acl * acl_default;
802 size_t len;
803 unsigned int npages;
804 struct page ** pages;
805};
806
807struct nfs_diropok {
808 struct nfs_fh * fh;
809 struct nfs_fattr * fattr;
810};
811
812struct nfs_readlinkargs {
813 struct nfs_fh * fh;
814 unsigned int pgbase;
815 unsigned int pglen;
816 struct page ** pages;
817};
818
819struct nfs3_sattrargs {
820 struct nfs_fh * fh;
821 struct iattr * sattr;
822 unsigned int guard;
823 struct timespec guardtime;
824};
825
826struct nfs3_diropargs {
827 struct nfs_fh * fh;
828 const char * name;
829 unsigned int len;
830};
831
832struct nfs3_accessargs {
833 struct nfs_fh * fh;
834 __u32 access;
835};
836
837struct nfs3_createargs {
838 struct nfs_fh * fh;
839 const char * name;
840 unsigned int len;
841 struct iattr * sattr;
842 enum nfs3_createmode createmode;
843 __be32 verifier[2];
844};
845
846struct nfs3_mkdirargs {
847 struct nfs_fh * fh;
848 const char * name;
849 unsigned int len;
850 struct iattr * sattr;
851};
852
853struct nfs3_symlinkargs {
854 struct nfs_fh * fromfh;
855 const char * fromname;
856 unsigned int fromlen;
857 struct page ** pages;
858 unsigned int pathlen;
859 struct iattr * sattr;
860};
861
862struct nfs3_mknodargs {
863 struct nfs_fh * fh;
864 const char * name;
865 unsigned int len;
866 enum nfs3_ftype type;
867 struct iattr * sattr;
868 dev_t rdev;
869};
870
871struct nfs3_linkargs {
872 struct nfs_fh * fromfh;
873 struct nfs_fh * tofh;
874 const char * toname;
875 unsigned int tolen;
876};
877
878struct nfs3_readdirargs {
879 struct nfs_fh * fh;
880 __u64 cookie;
881 __be32 verf[2];
882 bool plus;
883 unsigned int count;
884 struct page ** pages;
885};
886
887struct nfs3_diropres {
888 struct nfs_fattr * dir_attr;
889 struct nfs_fh * fh;
890 struct nfs_fattr * fattr;
891};
892
893struct nfs3_accessres {
894 struct nfs_fattr * fattr;
895 __u32 access;
896};
897
898struct nfs3_readlinkargs {
899 struct nfs_fh * fh;
900 unsigned int pgbase;
901 unsigned int pglen;
902 struct page ** pages;
903};
904
905struct nfs3_linkres {
906 struct nfs_fattr * dir_attr;
907 struct nfs_fattr * fattr;
908};
909
910struct nfs3_readdirres {
911 struct nfs_fattr * dir_attr;
912 __be32 * verf;
913 bool plus;
914};
915
916struct nfs3_getaclres {
917 struct nfs_fattr * fattr;
918 int mask;
919 unsigned int acl_access_count;
920 unsigned int acl_default_count;
921 struct posix_acl * acl_access;
922 struct posix_acl * acl_default;
923};
924
925#if IS_ENABLED(CONFIG_NFS_V4)
926
927typedef u64 clientid4;
928
929struct nfs4_accessargs {
930 struct nfs4_sequence_args seq_args;
931 const struct nfs_fh * fh;
932 const u32 * bitmask;
933 u32 access;
934};
935
936struct nfs4_accessres {
937 struct nfs4_sequence_res seq_res;
938 const struct nfs_server * server;
939 struct nfs_fattr * fattr;
940 u32 supported;
941 u32 access;
942};
943
944struct nfs4_create_arg {
945 struct nfs4_sequence_args seq_args;
946 u32 ftype;
947 union {
948 struct {
949 struct page ** pages;
950 unsigned int len;
951 } symlink;
952 struct {
953 u32 specdata1;
954 u32 specdata2;
955 } device;
956 } u;
957 const struct qstr * name;
958 const struct nfs_server * server;
959 const struct iattr * attrs;
960 const struct nfs_fh * dir_fh;
961 const u32 * bitmask;
962 const struct nfs4_label *label;
963 umode_t umask;
964};
965
966struct nfs4_create_res {
967 struct nfs4_sequence_res seq_res;
968 const struct nfs_server * server;
969 struct nfs_fh * fh;
970 struct nfs_fattr * fattr;
971 struct nfs4_label *label;
972 struct nfs4_change_info dir_cinfo;
973};
974
975struct nfs4_fsinfo_arg {
976 struct nfs4_sequence_args seq_args;
977 const struct nfs_fh * fh;
978 const u32 * bitmask;
979};
980
981struct nfs4_fsinfo_res {
982 struct nfs4_sequence_res seq_res;
983 struct nfs_fsinfo *fsinfo;
984};
985
986struct nfs4_getattr_arg {
987 struct nfs4_sequence_args seq_args;
988 const struct nfs_fh * fh;
989 const u32 * bitmask;
990};
991
992struct nfs4_getattr_res {
993 struct nfs4_sequence_res seq_res;
994 const struct nfs_server * server;
995 struct nfs_fattr * fattr;
996 struct nfs4_label *label;
997};
998
999struct nfs4_link_arg {
1000 struct nfs4_sequence_args seq_args;
1001 const struct nfs_fh * fh;
1002 const struct nfs_fh * dir_fh;
1003 const struct qstr * name;
1004 const u32 * bitmask;
1005};
1006
1007struct nfs4_link_res {
1008 struct nfs4_sequence_res seq_res;
1009 const struct nfs_server * server;
1010 struct nfs_fattr * fattr;
1011 struct nfs4_label *label;
1012 struct nfs4_change_info cinfo;
1013 struct nfs_fattr * dir_attr;
1014};
1015
1016struct nfs4_lookup_arg {
1017 struct nfs4_sequence_args seq_args;
1018 const struct nfs_fh * dir_fh;
1019 const struct qstr * name;
1020 const u32 * bitmask;
1021};
1022
1023struct nfs4_lookup_res {
1024 struct nfs4_sequence_res seq_res;
1025 const struct nfs_server * server;
1026 struct nfs_fattr * fattr;
1027 struct nfs_fh * fh;
1028 struct nfs4_label *label;
1029};
1030
1031struct nfs4_lookupp_arg {
1032 struct nfs4_sequence_args seq_args;
1033 const struct nfs_fh *fh;
1034 const u32 *bitmask;
1035};
1036
1037struct nfs4_lookupp_res {
1038 struct nfs4_sequence_res seq_res;
1039 const struct nfs_server *server;
1040 struct nfs_fattr *fattr;
1041 struct nfs_fh *fh;
1042 struct nfs4_label *label;
1043};
1044
1045struct nfs4_lookup_root_arg {
1046 struct nfs4_sequence_args seq_args;
1047 const u32 * bitmask;
1048};
1049
1050struct nfs4_pathconf_arg {
1051 struct nfs4_sequence_args seq_args;
1052 const struct nfs_fh * fh;
1053 const u32 * bitmask;
1054};
1055
1056struct nfs4_pathconf_res {
1057 struct nfs4_sequence_res seq_res;
1058 struct nfs_pathconf *pathconf;
1059};
1060
1061struct nfs4_readdir_arg {
1062 struct nfs4_sequence_args seq_args;
1063 const struct nfs_fh * fh;
1064 u64 cookie;
1065 nfs4_verifier verifier;
1066 u32 count;
1067 struct page ** pages;
1068 unsigned int pgbase;
1069 const u32 * bitmask;
1070 bool plus;
1071};
1072
1073struct nfs4_readdir_res {
1074 struct nfs4_sequence_res seq_res;
1075 nfs4_verifier verifier;
1076 unsigned int pgbase;
1077};
1078
1079struct nfs4_readlink {
1080 struct nfs4_sequence_args seq_args;
1081 const struct nfs_fh * fh;
1082 unsigned int pgbase;
1083 unsigned int pglen;
1084 struct page ** pages;
1085};
1086
1087struct nfs4_readlink_res {
1088 struct nfs4_sequence_res seq_res;
1089};
1090
1091struct nfs4_setclientid {
1092 const nfs4_verifier * sc_verifier;
1093 u32 sc_prog;
1094 unsigned int sc_netid_len;
1095 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1096 unsigned int sc_uaddr_len;
1097 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
1098 struct nfs_client *sc_clnt;
1099 struct rpc_cred *sc_cred;
1100};
1101
1102struct nfs4_setclientid_res {
1103 u64 clientid;
1104 nfs4_verifier confirm;
1105};
1106
1107struct nfs4_statfs_arg {
1108 struct nfs4_sequence_args seq_args;
1109 const struct nfs_fh * fh;
1110 const u32 * bitmask;
1111};
1112
1113struct nfs4_statfs_res {
1114 struct nfs4_sequence_res seq_res;
1115 struct nfs_fsstat *fsstat;
1116};
1117
1118struct nfs4_server_caps_arg {
1119 struct nfs4_sequence_args seq_args;
1120 struct nfs_fh *fhandle;
1121 const u32 * bitmask;
1122};
1123
1124struct nfs4_server_caps_res {
1125 struct nfs4_sequence_res seq_res;
1126 u32 attr_bitmask[3];
1127 u32 exclcreat_bitmask[3];
1128 u32 acl_bitmask;
1129 u32 has_links;
1130 u32 has_symlinks;
1131 u32 fh_expire_type;
1132};
1133
1134#define NFS4_PATHNAME_MAXCOMPONENTS 512
1135struct nfs4_pathname {
1136 unsigned int ncomponents;
1137 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1138};
1139
1140#define NFS4_FS_LOCATION_MAXSERVERS 10
1141struct nfs4_fs_location {
1142 unsigned int nservers;
1143 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1144 struct nfs4_pathname rootpath;
1145};
1146
1147#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1148struct nfs4_fs_locations {
1149 struct nfs_fattr fattr;
1150 const struct nfs_server *server;
1151 struct nfs4_pathname fs_path;
1152 int nlocations;
1153 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1154};
1155
1156struct nfs4_fs_locations_arg {
1157 struct nfs4_sequence_args seq_args;
1158 const struct nfs_fh *dir_fh;
1159 const struct nfs_fh *fh;
1160 const struct qstr *name;
1161 struct page *page;
1162 const u32 *bitmask;
1163 clientid4 clientid;
1164 unsigned char migration:1, renew:1;
1165};
1166
1167struct nfs4_fs_locations_res {
1168 struct nfs4_sequence_res seq_res;
1169 struct nfs4_fs_locations *fs_locations;
1170 unsigned char migration:1, renew:1;
1171};
1172
1173struct nfs4_secinfo4 {
1174 u32 flavor;
1175 struct rpcsec_gss_info flavor_info;
1176};
1177
1178struct nfs4_secinfo_flavors {
1179 unsigned int num_flavors;
1180 struct nfs4_secinfo4 flavors[0];
1181};
1182
1183struct nfs4_secinfo_arg {
1184 struct nfs4_sequence_args seq_args;
1185 const struct nfs_fh *dir_fh;
1186 const struct qstr *name;
1187};
1188
1189struct nfs4_secinfo_res {
1190 struct nfs4_sequence_res seq_res;
1191 struct nfs4_secinfo_flavors *flavors;
1192};
1193
1194struct nfs4_fsid_present_arg {
1195 struct nfs4_sequence_args seq_args;
1196 const struct nfs_fh *fh;
1197 clientid4 clientid;
1198 unsigned char renew:1;
1199};
1200
1201struct nfs4_fsid_present_res {
1202 struct nfs4_sequence_res seq_res;
1203 struct nfs_fh *fh;
1204 unsigned char renew:1;
1205};
1206
1207#endif
1208
1209struct nfstime4 {
1210 u64 seconds;
1211 u32 nseconds;
1212};
1213
1214#ifdef CONFIG_NFS_V4_1
1215
1216struct pnfs_commit_bucket {
1217 struct list_head written;
1218 struct list_head committing;
1219 struct pnfs_layout_segment *wlseg;
1220 struct pnfs_layout_segment *clseg;
1221 struct nfs_writeverf direct_verf;
1222};
1223
1224struct pnfs_ds_commit_info {
1225 int nwritten;
1226 int ncommitting;
1227 int nbuckets;
1228 struct pnfs_commit_bucket *buckets;
1229};
1230
1231struct nfs41_state_protection {
1232 u32 how;
1233 struct nfs4_op_map enforce;
1234 struct nfs4_op_map allow;
1235};
1236
1237struct nfs41_exchange_id_args {
1238 struct nfs_client *client;
1239 nfs4_verifier verifier;
1240 u32 flags;
1241 struct nfs41_state_protection state_protect;
1242};
1243
1244struct nfs41_server_owner {
1245 uint64_t minor_id;
1246 uint32_t major_id_sz;
1247 char major_id[NFS4_OPAQUE_LIMIT];
1248};
1249
1250struct nfs41_server_scope {
1251 uint32_t server_scope_sz;
1252 char server_scope[NFS4_OPAQUE_LIMIT];
1253};
1254
1255struct nfs41_impl_id {
1256 char domain[NFS4_OPAQUE_LIMIT + 1];
1257 char name[NFS4_OPAQUE_LIMIT + 1];
1258 struct nfstime4 date;
1259};
1260
1261struct nfs41_bind_conn_to_session_args {
1262 struct nfs_client *client;
1263 struct nfs4_sessionid sessionid;
1264 u32 dir;
1265 bool use_conn_in_rdma_mode;
1266};
1267
1268struct nfs41_bind_conn_to_session_res {
1269 struct nfs4_sessionid sessionid;
1270 u32 dir;
1271 bool use_conn_in_rdma_mode;
1272};
1273
1274struct nfs41_exchange_id_res {
1275 u64 clientid;
1276 u32 seqid;
1277 u32 flags;
1278 struct nfs41_server_owner *server_owner;
1279 struct nfs41_server_scope *server_scope;
1280 struct nfs41_impl_id *impl_id;
1281 struct nfs41_state_protection state_protect;
1282};
1283
1284struct nfs41_create_session_args {
1285 struct nfs_client *client;
1286 u64 clientid;
1287 uint32_t seqid;
1288 uint32_t flags;
1289 uint32_t cb_program;
1290 struct nfs4_channel_attrs fc_attrs;
1291 struct nfs4_channel_attrs bc_attrs;
1292};
1293
1294struct nfs41_create_session_res {
1295 struct nfs4_sessionid sessionid;
1296 uint32_t seqid;
1297 uint32_t flags;
1298 struct nfs4_channel_attrs fc_attrs;
1299 struct nfs4_channel_attrs bc_attrs;
1300};
1301
1302struct nfs41_reclaim_complete_args {
1303 struct nfs4_sequence_args seq_args;
1304
1305 unsigned char one_fs:1;
1306};
1307
1308struct nfs41_reclaim_complete_res {
1309 struct nfs4_sequence_res seq_res;
1310};
1311
1312#define SECINFO_STYLE_CURRENT_FH 0
1313#define SECINFO_STYLE_PARENT 1
1314struct nfs41_secinfo_no_name_args {
1315 struct nfs4_sequence_args seq_args;
1316 int style;
1317};
1318
1319struct nfs41_test_stateid_args {
1320 struct nfs4_sequence_args seq_args;
1321 nfs4_stateid *stateid;
1322};
1323
1324struct nfs41_test_stateid_res {
1325 struct nfs4_sequence_res seq_res;
1326 unsigned int status;
1327};
1328
1329struct nfs41_free_stateid_args {
1330 struct nfs4_sequence_args seq_args;
1331 nfs4_stateid stateid;
1332};
1333
1334struct nfs41_free_stateid_res {
1335 struct nfs4_sequence_res seq_res;
1336 unsigned int status;
1337};
1338
1339static inline void
1340nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1341{
1342 kfree(cinfo->buckets);
1343}
1344
1345#else
1346
1347struct pnfs_ds_commit_info {
1348};
1349
1350static inline void
1351nfs_free_pnfs_ds_cinfo(struct pnfs_ds_commit_info *cinfo)
1352{
1353}
1354
1355#endif
1356
1357#ifdef CONFIG_NFS_V4_2
1358struct nfs42_falloc_args {
1359 struct nfs4_sequence_args seq_args;
1360
1361 struct nfs_fh *falloc_fh;
1362 nfs4_stateid falloc_stateid;
1363 u64 falloc_offset;
1364 u64 falloc_length;
1365 const u32 *falloc_bitmask;
1366};
1367
1368struct nfs42_falloc_res {
1369 struct nfs4_sequence_res seq_res;
1370 unsigned int status;
1371
1372 struct nfs_fattr *falloc_fattr;
1373 const struct nfs_server *falloc_server;
1374};
1375
1376struct nfs42_copy_args {
1377 struct nfs4_sequence_args seq_args;
1378
1379 struct nfs_fh *src_fh;
1380 nfs4_stateid src_stateid;
1381 u64 src_pos;
1382
1383 struct nfs_fh *dst_fh;
1384 nfs4_stateid dst_stateid;
1385 u64 dst_pos;
1386
1387 u64 count;
1388};
1389
1390struct nfs42_write_res {
1391 u64 count;
1392 struct nfs_writeverf verifier;
1393};
1394
1395struct nfs42_copy_res {
1396 struct nfs4_sequence_res seq_res;
1397 struct nfs42_write_res write_res;
1398 bool consecutive;
1399 bool synchronous;
1400 struct nfs_commitres commit_res;
1401};
1402
1403struct nfs42_seek_args {
1404 struct nfs4_sequence_args seq_args;
1405
1406 struct nfs_fh *sa_fh;
1407 nfs4_stateid sa_stateid;
1408 u64 sa_offset;
1409 u32 sa_what;
1410};
1411
1412struct nfs42_seek_res {
1413 struct nfs4_sequence_res seq_res;
1414 unsigned int status;
1415
1416 u32 sr_eof;
1417 u64 sr_offset;
1418};
1419#endif
1420
1421struct nfs_page;
1422
1423#define NFS_PAGEVEC_SIZE (8U)
1424
1425struct nfs_page_array {
1426 struct page **pagevec;
1427 unsigned int npages;
1428 struct page *page_array[NFS_PAGEVEC_SIZE];
1429};
1430
1431
1432enum {
1433 NFS_IOHDR_ERROR = 0,
1434 NFS_IOHDR_EOF,
1435 NFS_IOHDR_REDO,
1436 NFS_IOHDR_STAT,
1437};
1438
1439struct nfs_io_completion;
1440struct nfs_pgio_header {
1441 struct inode *inode;
1442 struct rpc_cred *cred;
1443 struct list_head pages;
1444 struct nfs_page *req;
1445 struct nfs_writeverf verf;
1446 fmode_t rw_mode;
1447 struct pnfs_layout_segment *lseg;
1448 loff_t io_start;
1449 const struct rpc_call_ops *mds_ops;
1450 void (*release) (struct nfs_pgio_header *hdr);
1451 const struct nfs_pgio_completion_ops *completion_ops;
1452 const struct nfs_rw_ops *rw_ops;
1453 struct nfs_io_completion *io_completion;
1454 struct nfs_direct_req *dreq;
1455 spinlock_t lock;
1456
1457 int pnfs_error;
1458 int error;
1459 unsigned long good_bytes;
1460 unsigned long flags;
1461
1462
1463
1464
1465 struct rpc_task task;
1466 struct nfs_fattr fattr;
1467 struct nfs_pgio_args args;
1468 struct nfs_pgio_res res;
1469 unsigned long timestamp;
1470 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1471 __u64 mds_offset;
1472 struct nfs_page_array page_array;
1473 struct nfs_client *ds_clp;
1474 int ds_commit_idx;
1475 int pgio_mirror_idx;
1476};
1477
1478struct nfs_mds_commit_info {
1479 atomic_t rpcs_out;
1480 atomic_long_t ncommit;
1481 struct list_head list;
1482};
1483
1484struct nfs_commit_info;
1485struct nfs_commit_data;
1486struct nfs_inode;
1487struct nfs_commit_completion_ops {
1488 void (*completion) (struct nfs_commit_data *data);
1489 void (*resched_write) (struct nfs_commit_info *, struct nfs_page *);
1490};
1491
1492struct nfs_commit_info {
1493 struct inode *inode;
1494 struct nfs_mds_commit_info *mds;
1495 struct pnfs_ds_commit_info *ds;
1496 struct nfs_direct_req *dreq;
1497 const struct nfs_commit_completion_ops *completion_ops;
1498};
1499
1500struct nfs_commit_data {
1501 struct rpc_task task;
1502 struct inode *inode;
1503 struct rpc_cred *cred;
1504 struct nfs_fattr fattr;
1505 struct nfs_writeverf verf;
1506 struct list_head pages;
1507 struct list_head list;
1508 struct nfs_direct_req *dreq;
1509 struct nfs_commitargs args;
1510 struct nfs_commitres res;
1511 struct nfs_open_context *context;
1512 struct pnfs_layout_segment *lseg;
1513 struct nfs_client *ds_clp;
1514 int ds_commit_index;
1515 loff_t lwb;
1516 const struct rpc_call_ops *mds_ops;
1517 const struct nfs_commit_completion_ops *completion_ops;
1518 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1519 unsigned long flags;
1520};
1521
1522struct nfs_pgio_completion_ops {
1523 void (*error_cleanup)(struct list_head *head);
1524 void (*init_hdr)(struct nfs_pgio_header *hdr);
1525 void (*completion)(struct nfs_pgio_header *hdr);
1526 void (*reschedule_io)(struct nfs_pgio_header *hdr);
1527};
1528
1529struct nfs_unlinkdata {
1530 struct nfs_removeargs args;
1531 struct nfs_removeres res;
1532 struct dentry *dentry;
1533 wait_queue_head_t wq;
1534 struct rpc_cred *cred;
1535 struct nfs_fattr dir_attr;
1536 long timeout;
1537};
1538
1539struct nfs_renamedata {
1540 struct nfs_renameargs args;
1541 struct nfs_renameres res;
1542 struct rpc_cred *cred;
1543 struct inode *old_dir;
1544 struct dentry *old_dentry;
1545 struct nfs_fattr old_fattr;
1546 struct inode *new_dir;
1547 struct dentry *new_dentry;
1548 struct nfs_fattr new_fattr;
1549 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
1550 long timeout;
1551 bool cancelled;
1552};
1553
1554struct nfs_access_entry;
1555struct nfs_client;
1556struct rpc_timeout;
1557struct nfs_subversion;
1558struct nfs_mount_info;
1559struct nfs_client_initdata;
1560struct nfs_pageio_descriptor;
1561
1562
1563
1564
1565struct nfs_rpc_ops {
1566 u32 version;
1567 const struct dentry_operations *dentry_ops;
1568 const struct inode_operations *dir_inode_ops;
1569 const struct inode_operations *file_inode_ops;
1570 const struct file_operations *file_ops;
1571 const struct nlmclnt_operations *nlmclnt_ops;
1572
1573 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1574 struct nfs_fsinfo *);
1575 struct vfsmount *(*submount) (struct nfs_server *, struct dentry *,
1576 struct nfs_fh *, struct nfs_fattr *);
1577 struct dentry *(*try_mount) (int, const char *, struct nfs_mount_info *,
1578 struct nfs_subversion *);
1579 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1580 struct nfs_fattr *, struct nfs4_label *);
1581 int (*setattr) (struct dentry *, struct nfs_fattr *,
1582 struct iattr *);
1583 int (*lookup) (struct inode *, const struct qstr *,
1584 struct nfs_fh *, struct nfs_fattr *,
1585 struct nfs4_label *);
1586 int (*lookupp) (struct inode *, struct nfs_fh *,
1587 struct nfs_fattr *, struct nfs4_label *);
1588 int (*access) (struct inode *, struct nfs_access_entry *);
1589 int (*readlink)(struct inode *, struct page *, unsigned int,
1590 unsigned int);
1591 int (*create) (struct inode *, struct dentry *,
1592 struct iattr *, int);
1593 int (*remove) (struct inode *, struct dentry *);
1594 void (*unlink_setup) (struct rpc_message *, struct dentry *);
1595 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1596 int (*unlink_done) (struct rpc_task *, struct inode *);
1597 void (*rename_setup) (struct rpc_message *msg,
1598 struct dentry *old_dentry,
1599 struct dentry *new_dentry);
1600 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1601 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1602 int (*link) (struct inode *, struct inode *, const struct qstr *);
1603 int (*symlink) (struct inode *, struct dentry *, struct page *,
1604 unsigned int, struct iattr *);
1605 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1606 int (*rmdir) (struct inode *, const struct qstr *);
1607 int (*readdir) (struct dentry *, struct rpc_cred *,
1608 u64, struct page **, unsigned int, bool);
1609 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1610 dev_t);
1611 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1612 struct nfs_fsstat *);
1613 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1614 struct nfs_fsinfo *);
1615 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1616 struct nfs_pathconf *);
1617 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1618 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, bool);
1619 int (*pgio_rpc_prepare)(struct rpc_task *,
1620 struct nfs_pgio_header *);
1621 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1622 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1623 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *);
1624 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
1625 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *);
1626 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1627 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1628 int (*lock)(struct file *, int, struct file_lock *);
1629 int (*lock_check_bounds)(const struct file_lock *);
1630 void (*clear_acl_cache)(struct inode *);
1631 void (*close_context)(struct nfs_open_context *ctx, int);
1632 struct inode * (*open_context) (struct inode *dir,
1633 struct nfs_open_context *ctx,
1634 int open_flags,
1635 struct iattr *iattr,
1636 int *);
1637 int (*have_delegation)(struct inode *, fmode_t);
1638 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1639 struct nfs_client *(*init_client) (struct nfs_client *,
1640 const struct nfs_client_initdata *);
1641 void (*free_client) (struct nfs_client *);
1642 struct nfs_server *(*create_server)(struct nfs_mount_info *, struct nfs_subversion *);
1643 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1644 struct nfs_fattr *, rpc_authflavor_t);
1645};
1646
1647
1648
1649
1650
1651
1652#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1653
1654
1655
1656
1657extern const struct nfs_rpc_ops nfs_v2_clientops;
1658extern const struct nfs_rpc_ops nfs_v3_clientops;
1659extern const struct nfs_rpc_ops nfs_v4_clientops;
1660extern const struct rpc_version nfs_version2;
1661extern const struct rpc_version nfs_version3;
1662extern const struct rpc_version nfs_version4;
1663
1664extern const struct rpc_version nfsacl_version3;
1665extern const struct rpc_program nfsacl_program;
1666
1667#endif
1668