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
18#define NFS_BITMASK_SZ 3
19
20struct nfs4_string {
21 unsigned int len;
22 char *data;
23};
24
25struct nfs_fsid {
26 uint64_t major;
27 uint64_t minor;
28};
29
30
31
32
33static inline int nfs_fsid_equal(const struct nfs_fsid *a, const struct nfs_fsid *b)
34{
35 return a->major == b->major && a->minor == b->minor;
36}
37
38struct nfs4_threshold {
39 __u32 bm;
40 __u32 l_type;
41 __u64 rd_sz;
42 __u64 wr_sz;
43 __u64 rd_io_sz;
44 __u64 wr_io_sz;
45};
46
47struct nfs_fattr {
48 unsigned int valid;
49 umode_t mode;
50 __u32 nlink;
51 kuid_t uid;
52 kgid_t gid;
53 dev_t rdev;
54 __u64 size;
55 union {
56 struct {
57 __u32 blocksize;
58 __u32 blocks;
59 } nfs2;
60 struct {
61 __u64 used;
62 } nfs3;
63 } du;
64 struct nfs_fsid fsid;
65 __u64 fileid;
66 __u64 mounted_on_fileid;
67 struct timespec64 atime;
68 struct timespec64 mtime;
69 struct timespec64 ctime;
70 __u64 change_attr;
71 __u64 pre_change_attr;
72 __u64 pre_size;
73 struct timespec64 pre_mtime;
74 struct timespec64 pre_ctime;
75 unsigned long time_start;
76 unsigned long gencount;
77 struct nfs4_string *owner_name;
78 struct nfs4_string *group_name;
79 struct nfs4_threshold *mdsthreshold;
80 struct nfs4_label *label;
81};
82
83#define NFS_ATTR_FATTR_TYPE (1U << 0)
84#define NFS_ATTR_FATTR_MODE (1U << 1)
85#define NFS_ATTR_FATTR_NLINK (1U << 2)
86#define NFS_ATTR_FATTR_OWNER (1U << 3)
87#define NFS_ATTR_FATTR_GROUP (1U << 4)
88#define NFS_ATTR_FATTR_RDEV (1U << 5)
89#define NFS_ATTR_FATTR_SIZE (1U << 6)
90#define NFS_ATTR_FATTR_PRESIZE (1U << 7)
91#define NFS_ATTR_FATTR_BLOCKS_USED (1U << 8)
92#define NFS_ATTR_FATTR_SPACE_USED (1U << 9)
93#define NFS_ATTR_FATTR_FSID (1U << 10)
94#define NFS_ATTR_FATTR_FILEID (1U << 11)
95#define NFS_ATTR_FATTR_ATIME (1U << 12)
96#define NFS_ATTR_FATTR_MTIME (1U << 13)
97#define NFS_ATTR_FATTR_CTIME (1U << 14)
98#define NFS_ATTR_FATTR_PREMTIME (1U << 15)
99#define NFS_ATTR_FATTR_PRECTIME (1U << 16)
100#define NFS_ATTR_FATTR_CHANGE (1U << 17)
101#define NFS_ATTR_FATTR_PRECHANGE (1U << 18)
102#define NFS_ATTR_FATTR_V4_LOCATIONS (1U << 19)
103#define NFS_ATTR_FATTR_V4_REFERRAL (1U << 20)
104#define NFS_ATTR_FATTR_MOUNTPOINT (1U << 21)
105#define NFS_ATTR_FATTR_MOUNTED_ON_FILEID (1U << 22)
106#define NFS_ATTR_FATTR_OWNER_NAME (1U << 23)
107#define NFS_ATTR_FATTR_GROUP_NAME (1U << 24)
108#define NFS_ATTR_FATTR_V4_SECURITY_LABEL (1U << 25)
109
110#define NFS_ATTR_FATTR (NFS_ATTR_FATTR_TYPE \
111 | NFS_ATTR_FATTR_MODE \
112 | NFS_ATTR_FATTR_NLINK \
113 | NFS_ATTR_FATTR_OWNER \
114 | NFS_ATTR_FATTR_GROUP \
115 | NFS_ATTR_FATTR_RDEV \
116 | NFS_ATTR_FATTR_SIZE \
117 | NFS_ATTR_FATTR_FSID \
118 | NFS_ATTR_FATTR_FILEID \
119 | NFS_ATTR_FATTR_ATIME \
120 | NFS_ATTR_FATTR_MTIME \
121 | NFS_ATTR_FATTR_CTIME \
122 | NFS_ATTR_FATTR_CHANGE)
123#define NFS_ATTR_FATTR_V2 (NFS_ATTR_FATTR \
124 | NFS_ATTR_FATTR_BLOCKS_USED)
125#define NFS_ATTR_FATTR_V3 (NFS_ATTR_FATTR \
126 | NFS_ATTR_FATTR_SPACE_USED)
127#define NFS_ATTR_FATTR_V4 (NFS_ATTR_FATTR \
128 | NFS_ATTR_FATTR_SPACE_USED \
129 | NFS_ATTR_FATTR_V4_SECURITY_LABEL)
130
131
132
133
134#define NFS_MAX_LAYOUT_TYPES 8
135
136
137
138
139struct nfs_fsinfo {
140 struct nfs_fattr *fattr;
141 __u32 rtmax;
142 __u32 rtpref;
143 __u32 rtmult;
144 __u32 wtmax;
145 __u32 wtpref;
146 __u32 wtmult;
147 __u32 dtpref;
148 __u64 maxfilesize;
149 struct timespec64 time_delta;
150 __u32 lease_time;
151 __u32 nlayouttypes;
152 __u32 layouttype[NFS_MAX_LAYOUT_TYPES];
153 __u32 blksize;
154 __u32 clone_blksize;
155 enum nfs4_change_attr_type
156 change_attr_type;
157 __u32 xattr_support;
158};
159
160struct nfs_fsstat {
161 struct nfs_fattr *fattr;
162 __u64 tbytes;
163 __u64 fbytes;
164 __u64 abytes;
165 __u64 tfiles;
166 __u64 ffiles;
167 __u64 afiles;
168};
169
170struct nfs2_fsstat {
171 __u32 tsize;
172 __u32 bsize;
173 __u32 blocks;
174 __u32 bfree;
175 __u32 bavail;
176};
177
178struct nfs_pathconf {
179 struct nfs_fattr *fattr;
180 __u32 max_link;
181 __u32 max_namelen;
182};
183
184struct nfs4_change_info {
185 u32 atomic;
186 u64 before;
187 u64 after;
188};
189
190struct nfs_seqid;
191
192
193struct nfs4_channel_attrs {
194 u32 max_rqst_sz;
195 u32 max_resp_sz;
196 u32 max_resp_sz_cached;
197 u32 max_ops;
198 u32 max_reqs;
199};
200
201struct nfs4_slot;
202struct nfs4_sequence_args {
203 struct nfs4_slot *sa_slot;
204 u8 sa_cache_this : 1,
205 sa_privileged : 1;
206};
207
208struct nfs4_sequence_res {
209 struct nfs4_slot *sr_slot;
210 unsigned long sr_timestamp;
211 int sr_status;
212 u32 sr_status_flags;
213 u32 sr_highest_slotid;
214 u32 sr_target_highest_slotid;
215};
216
217struct nfs4_get_lease_time_args {
218 struct nfs4_sequence_args la_seq_args;
219};
220
221struct nfs4_get_lease_time_res {
222 struct nfs4_sequence_res lr_seq_res;
223 struct nfs_fsinfo *lr_fsinfo;
224};
225
226struct xdr_stream;
227struct nfs4_xdr_opaque_data;
228
229struct nfs4_xdr_opaque_ops {
230 void (*encode)(struct xdr_stream *, const void *args,
231 const struct nfs4_xdr_opaque_data *);
232 void (*free)(struct nfs4_xdr_opaque_data *);
233};
234
235struct nfs4_xdr_opaque_data {
236 const struct nfs4_xdr_opaque_ops *ops;
237 void *data;
238};
239
240#define PNFS_LAYOUT_MAXSIZE 4096
241
242struct nfs4_layoutdriver_data {
243 struct page **pages;
244 __u32 pglen;
245 __u32 len;
246};
247
248struct pnfs_layout_range {
249 u32 iomode;
250 u64 offset;
251 u64 length;
252};
253
254struct nfs4_layoutget_args {
255 struct nfs4_sequence_args seq_args;
256 __u32 type;
257 struct pnfs_layout_range range;
258 __u64 minlength;
259 __u32 maxcount;
260 struct inode *inode;
261 struct nfs_open_context *ctx;
262 nfs4_stateid stateid;
263 struct nfs4_layoutdriver_data layout;
264};
265
266struct nfs4_layoutget_res {
267 struct nfs4_sequence_res seq_res;
268 int status;
269 __u32 return_on_close;
270 struct pnfs_layout_range range;
271 __u32 type;
272 nfs4_stateid stateid;
273 struct nfs4_layoutdriver_data *layoutp;
274};
275
276struct nfs4_layoutget {
277 struct nfs4_layoutget_args args;
278 struct nfs4_layoutget_res res;
279 const struct cred *cred;
280 struct pnfs_layout_hdr *lo;
281 gfp_t gfp_flags;
282};
283
284struct nfs4_getdeviceinfo_args {
285 struct nfs4_sequence_args seq_args;
286 struct pnfs_device *pdev;
287 __u32 notify_types;
288};
289
290struct nfs4_getdeviceinfo_res {
291 struct nfs4_sequence_res seq_res;
292 struct pnfs_device *pdev;
293 __u32 notification;
294};
295
296struct nfs4_layoutcommit_args {
297 struct nfs4_sequence_args seq_args;
298 nfs4_stateid stateid;
299 __u64 lastbytewritten;
300 struct inode *inode;
301 const u32 *bitmask;
302 size_t layoutupdate_len;
303 struct page *layoutupdate_page;
304 struct page **layoutupdate_pages;
305 __be32 *start_p;
306};
307
308struct nfs4_layoutcommit_res {
309 struct nfs4_sequence_res seq_res;
310 struct nfs_fattr *fattr;
311 const struct nfs_server *server;
312 int status;
313};
314
315struct nfs4_layoutcommit_data {
316 struct rpc_task task;
317 struct nfs_fattr fattr;
318 struct list_head lseg_list;
319 const struct cred *cred;
320 struct inode *inode;
321 struct nfs4_layoutcommit_args args;
322 struct nfs4_layoutcommit_res res;
323};
324
325struct nfs4_layoutreturn_args {
326 struct nfs4_sequence_args seq_args;
327 struct pnfs_layout_hdr *layout;
328 struct inode *inode;
329 struct pnfs_layout_range range;
330 nfs4_stateid stateid;
331 __u32 layout_type;
332 struct nfs4_xdr_opaque_data *ld_private;
333};
334
335struct nfs4_layoutreturn_res {
336 struct nfs4_sequence_res seq_res;
337 u32 lrs_present;
338 nfs4_stateid stateid;
339};
340
341struct nfs4_layoutreturn {
342 struct nfs4_layoutreturn_args args;
343 struct nfs4_layoutreturn_res res;
344 const struct cred *cred;
345 struct nfs_client *clp;
346 struct inode *inode;
347 int rpc_status;
348 struct nfs4_xdr_opaque_data ld_private;
349};
350
351#define PNFS_LAYOUTSTATS_MAXSIZE 256
352
353struct nfs42_layoutstat_args;
354struct nfs42_layoutstat_devinfo;
355typedef void (*layoutstats_encode_t)(struct xdr_stream *,
356 struct nfs42_layoutstat_args *,
357 struct nfs42_layoutstat_devinfo *);
358
359
360struct nfs42_layoutstat_devinfo {
361 struct nfs4_deviceid dev_id;
362 __u64 offset;
363 __u64 length;
364 __u64 read_count;
365 __u64 read_bytes;
366 __u64 write_count;
367 __u64 write_bytes;
368 __u32 layout_type;
369 struct nfs4_xdr_opaque_data ld_private;
370};
371
372struct nfs42_layoutstat_args {
373 struct nfs4_sequence_args seq_args;
374 struct nfs_fh *fh;
375 struct inode *inode;
376 nfs4_stateid stateid;
377 int num_dev;
378 struct nfs42_layoutstat_devinfo *devinfo;
379};
380
381struct nfs42_layoutstat_res {
382 struct nfs4_sequence_res seq_res;
383 int num_dev;
384 int rpc_status;
385};
386
387struct nfs42_layoutstat_data {
388 struct inode *inode;
389 struct nfs42_layoutstat_args args;
390 struct nfs42_layoutstat_res res;
391};
392
393struct nfs42_device_error {
394 struct nfs4_deviceid dev_id;
395 int status;
396 enum nfs_opnum4 opnum;
397};
398
399struct nfs42_layout_error {
400 __u64 offset;
401 __u64 length;
402 nfs4_stateid stateid;
403 struct nfs42_device_error errors[1];
404};
405
406#define NFS42_LAYOUTERROR_MAX 5
407
408struct nfs42_layouterror_args {
409 struct nfs4_sequence_args seq_args;
410 struct inode *inode;
411 unsigned int num_errors;
412 struct nfs42_layout_error errors[NFS42_LAYOUTERROR_MAX];
413};
414
415struct nfs42_layouterror_res {
416 struct nfs4_sequence_res seq_res;
417 unsigned int num_errors;
418 int rpc_status;
419};
420
421struct nfs42_layouterror_data {
422 struct nfs42_layouterror_args args;
423 struct nfs42_layouterror_res res;
424 struct inode *inode;
425 struct pnfs_layout_segment *lseg;
426};
427
428struct nfs42_clone_args {
429 struct nfs4_sequence_args seq_args;
430 struct nfs_fh *src_fh;
431 struct nfs_fh *dst_fh;
432 nfs4_stateid src_stateid;
433 nfs4_stateid dst_stateid;
434 __u64 src_offset;
435 __u64 dst_offset;
436 __u64 count;
437 const u32 *dst_bitmask;
438};
439
440struct nfs42_clone_res {
441 struct nfs4_sequence_res seq_res;
442 unsigned int rpc_status;
443 struct nfs_fattr *dst_fattr;
444 const struct nfs_server *server;
445};
446
447struct stateowner_id {
448 __u64 create_time;
449 __u32 uniquifier;
450};
451
452
453
454
455struct nfs_openargs {
456 struct nfs4_sequence_args seq_args;
457 const struct nfs_fh * fh;
458 struct nfs_seqid * seqid;
459 int open_flags;
460 fmode_t fmode;
461 u32 share_access;
462 u32 access;
463 __u64 clientid;
464 struct stateowner_id id;
465 union {
466 struct {
467 struct iattr * attrs;
468 nfs4_verifier verifier;
469 };
470 nfs4_stateid delegation;
471 fmode_t delegation_type;
472 } u;
473 const struct qstr * name;
474 const struct nfs_server *server;
475 const u32 * bitmask;
476 const u32 * open_bitmap;
477 enum open_claim_type4 claim;
478 enum createmode4 createmode;
479 const struct nfs4_label *label;
480 umode_t umask;
481 struct nfs4_layoutget_args *lg_args;
482};
483
484struct nfs_openres {
485 struct nfs4_sequence_res seq_res;
486 nfs4_stateid stateid;
487 struct nfs_fh fh;
488 struct nfs4_change_info cinfo;
489 __u32 rflags;
490 struct nfs_fattr * f_attr;
491 struct nfs4_label *f_label;
492 struct nfs_seqid * seqid;
493 const struct nfs_server *server;
494 fmode_t delegation_type;
495 nfs4_stateid delegation;
496 unsigned long pagemod_limit;
497 __u32 do_recall;
498 __u32 attrset[NFS4_BITMAP_SIZE];
499 struct nfs4_string *owner;
500 struct nfs4_string *group_owner;
501 __u32 access_request;
502 __u32 access_supported;
503 __u32 access_result;
504 struct nfs4_layoutget_res *lg_res;
505};
506
507
508
509
510struct nfs_open_confirmargs {
511 struct nfs4_sequence_args seq_args;
512 const struct nfs_fh * fh;
513 nfs4_stateid * stateid;
514 struct nfs_seqid * seqid;
515};
516
517struct nfs_open_confirmres {
518 struct nfs4_sequence_res seq_res;
519 nfs4_stateid stateid;
520 struct nfs_seqid * seqid;
521};
522
523
524
525
526struct nfs_closeargs {
527 struct nfs4_sequence_args seq_args;
528 struct nfs_fh * fh;
529 nfs4_stateid stateid;
530 struct nfs_seqid * seqid;
531 fmode_t fmode;
532 u32 share_access;
533 const u32 * bitmask;
534 u32 bitmask_store[NFS_BITMASK_SZ];
535 struct nfs4_layoutreturn_args *lr_args;
536};
537
538struct nfs_closeres {
539 struct nfs4_sequence_res seq_res;
540 nfs4_stateid stateid;
541 struct nfs_fattr * fattr;
542 struct nfs_seqid * seqid;
543 const struct nfs_server *server;
544 struct nfs4_layoutreturn_res *lr_res;
545 int lr_ret;
546};
547
548
549
550struct nfs_lowner {
551 __u64 clientid;
552 __u64 id;
553 dev_t s_dev;
554};
555
556struct nfs_lock_args {
557 struct nfs4_sequence_args seq_args;
558 struct nfs_fh * fh;
559 struct file_lock * fl;
560 struct nfs_seqid * lock_seqid;
561 nfs4_stateid lock_stateid;
562 struct nfs_seqid * open_seqid;
563 nfs4_stateid open_stateid;
564 struct nfs_lowner lock_owner;
565 unsigned char block : 1;
566 unsigned char reclaim : 1;
567 unsigned char new_lock : 1;
568 unsigned char new_lock_owner : 1;
569};
570
571struct nfs_lock_res {
572 struct nfs4_sequence_res seq_res;
573 nfs4_stateid stateid;
574 struct nfs_seqid * lock_seqid;
575 struct nfs_seqid * open_seqid;
576};
577
578struct nfs_locku_args {
579 struct nfs4_sequence_args seq_args;
580 struct nfs_fh * fh;
581 struct file_lock * fl;
582 struct nfs_seqid * seqid;
583 nfs4_stateid stateid;
584};
585
586struct nfs_locku_res {
587 struct nfs4_sequence_res seq_res;
588 nfs4_stateid stateid;
589 struct nfs_seqid * seqid;
590};
591
592struct nfs_lockt_args {
593 struct nfs4_sequence_args seq_args;
594 struct nfs_fh * fh;
595 struct file_lock * fl;
596 struct nfs_lowner lock_owner;
597};
598
599struct nfs_lockt_res {
600 struct nfs4_sequence_res seq_res;
601 struct file_lock * denied;
602};
603
604struct nfs_release_lockowner_args {
605 struct nfs4_sequence_args seq_args;
606 struct nfs_lowner lock_owner;
607};
608
609struct nfs_release_lockowner_res {
610 struct nfs4_sequence_res seq_res;
611};
612
613struct nfs4_delegreturnargs {
614 struct nfs4_sequence_args seq_args;
615 const struct nfs_fh *fhandle;
616 const nfs4_stateid *stateid;
617 const u32 *bitmask;
618 u32 bitmask_store[NFS_BITMASK_SZ];
619 struct nfs4_layoutreturn_args *lr_args;
620};
621
622struct nfs4_delegreturnres {
623 struct nfs4_sequence_res seq_res;
624 struct nfs_fattr * fattr;
625 struct nfs_server *server;
626 struct nfs4_layoutreturn_res *lr_res;
627 int lr_ret;
628};
629
630
631
632
633struct nfs_write_verifier {
634 char data[8];
635};
636
637struct nfs_writeverf {
638 struct nfs_write_verifier verifier;
639 enum nfs3_stable_how committed;
640};
641
642
643
644
645struct nfs_pgio_args {
646 struct nfs4_sequence_args seq_args;
647 struct nfs_fh * fh;
648 struct nfs_open_context *context;
649 struct nfs_lock_context *lock_context;
650 nfs4_stateid stateid;
651 __u64 offset;
652 __u32 count;
653 unsigned int pgbase;
654 struct page ** pages;
655 union {
656 unsigned int replen;
657 struct {
658 const u32 * bitmask;
659 u32 bitmask_store[NFS_BITMASK_SZ];
660 enum nfs3_stable_how stable;
661 };
662 };
663};
664
665struct nfs_pgio_res {
666 struct nfs4_sequence_res seq_res;
667 struct nfs_fattr * fattr;
668 __u64 count;
669 __u32 op_status;
670 union {
671 struct {
672 unsigned int replen;
673 int eof;
674 };
675 struct {
676 struct nfs_writeverf * verf;
677 const struct nfs_server *server;
678 };
679 };
680};
681
682
683
684
685struct nfs_commitargs {
686 struct nfs4_sequence_args seq_args;
687 struct nfs_fh *fh;
688 __u64 offset;
689 __u32 count;
690 const u32 *bitmask;
691};
692
693struct nfs_commitres {
694 struct nfs4_sequence_res seq_res;
695 __u32 op_status;
696 struct nfs_fattr *fattr;
697 struct nfs_writeverf *verf;
698 const struct nfs_server *server;
699};
700
701
702
703
704struct nfs_removeargs {
705 struct nfs4_sequence_args seq_args;
706 const struct nfs_fh *fh;
707 struct qstr name;
708};
709
710struct nfs_removeres {
711 struct nfs4_sequence_res seq_res;
712 struct nfs_server *server;
713 struct nfs_fattr *dir_attr;
714 struct nfs4_change_info cinfo;
715};
716
717
718
719
720struct nfs_renameargs {
721 struct nfs4_sequence_args seq_args;
722 const struct nfs_fh *old_dir;
723 const struct nfs_fh *new_dir;
724 const struct qstr *old_name;
725 const struct qstr *new_name;
726};
727
728struct nfs_renameres {
729 struct nfs4_sequence_res seq_res;
730 struct nfs_server *server;
731 struct nfs4_change_info old_cinfo;
732 struct nfs_fattr *old_fattr;
733 struct nfs4_change_info new_cinfo;
734 struct nfs_fattr *new_fattr;
735};
736
737
738#define NFS_AUTH_INFO_MAX_FLAVORS 12
739struct nfs_auth_info {
740 unsigned int flavor_len;
741 rpc_authflavor_t flavors[NFS_AUTH_INFO_MAX_FLAVORS];
742};
743
744
745
746
747struct nfs_entry {
748 __u64 ino;
749 __u64 cookie,
750 prev_cookie;
751 const char * name;
752 unsigned int len;
753 int eof;
754 struct nfs_fh * fh;
755 struct nfs_fattr * fattr;
756 struct nfs4_label *label;
757 unsigned char d_type;
758 struct nfs_server * server;
759};
760
761struct nfs_readdir_arg {
762 struct dentry *dentry;
763 const struct cred *cred;
764 __be32 *verf;
765 u64 cookie;
766 struct page **pages;
767 unsigned int page_len;
768 bool plus;
769};
770
771struct nfs_readdir_res {
772 __be32 *verf;
773};
774
775
776
777
778struct nfs_sattrargs {
779 struct nfs_fh * fh;
780 struct iattr * sattr;
781};
782
783struct nfs_diropargs {
784 struct nfs_fh * fh;
785 const char * name;
786 unsigned int len;
787};
788
789struct nfs_createargs {
790 struct nfs_fh * fh;
791 const char * name;
792 unsigned int len;
793 struct iattr * sattr;
794};
795
796struct nfs_setattrargs {
797 struct nfs4_sequence_args seq_args;
798 struct nfs_fh * fh;
799 nfs4_stateid stateid;
800 struct iattr * iap;
801 const struct nfs_server * server;
802 const u32 * bitmask;
803 const struct nfs4_label *label;
804};
805
806struct nfs_setaclargs {
807 struct nfs4_sequence_args seq_args;
808 struct nfs_fh * fh;
809 size_t acl_len;
810 struct page ** acl_pages;
811};
812
813struct nfs_setaclres {
814 struct nfs4_sequence_res seq_res;
815};
816
817struct nfs_getaclargs {
818 struct nfs4_sequence_args seq_args;
819 struct nfs_fh * fh;
820 size_t acl_len;
821 struct page ** acl_pages;
822};
823
824
825#define NFS4_ACL_TRUNC 0x0001
826struct nfs_getaclres {
827 struct nfs4_sequence_res seq_res;
828 size_t acl_len;
829 size_t acl_data_offset;
830 int acl_flags;
831 struct page * acl_scratch;
832};
833
834struct nfs_setattrres {
835 struct nfs4_sequence_res seq_res;
836 struct nfs_fattr * fattr;
837 struct nfs4_label *label;
838 const struct nfs_server * server;
839};
840
841struct nfs_linkargs {
842 struct nfs_fh * fromfh;
843 struct nfs_fh * tofh;
844 const char * toname;
845 unsigned int tolen;
846};
847
848struct nfs_symlinkargs {
849 struct nfs_fh * fromfh;
850 const char * fromname;
851 unsigned int fromlen;
852 struct page ** pages;
853 unsigned int pathlen;
854 struct iattr * sattr;
855};
856
857struct nfs_readdirargs {
858 struct nfs_fh * fh;
859 __u32 cookie;
860 unsigned int count;
861 struct page ** pages;
862};
863
864struct nfs3_getaclargs {
865 struct nfs_fh * fh;
866 int mask;
867 struct page ** pages;
868};
869
870struct nfs3_setaclargs {
871 struct inode * inode;
872 int mask;
873 struct posix_acl * acl_access;
874 struct posix_acl * acl_default;
875 size_t len;
876 unsigned int npages;
877 struct page ** pages;
878};
879
880struct nfs_diropok {
881 struct nfs_fh * fh;
882 struct nfs_fattr * fattr;
883};
884
885struct nfs_readlinkargs {
886 struct nfs_fh * fh;
887 unsigned int pgbase;
888 unsigned int pglen;
889 struct page ** pages;
890};
891
892struct nfs3_sattrargs {
893 struct nfs_fh * fh;
894 struct iattr * sattr;
895 unsigned int guard;
896 struct timespec64 guardtime;
897};
898
899struct nfs3_diropargs {
900 struct nfs_fh * fh;
901 const char * name;
902 unsigned int len;
903};
904
905struct nfs3_accessargs {
906 struct nfs_fh * fh;
907 __u32 access;
908};
909
910struct nfs3_createargs {
911 struct nfs_fh * fh;
912 const char * name;
913 unsigned int len;
914 struct iattr * sattr;
915 enum nfs3_createmode createmode;
916 __be32 verifier[2];
917};
918
919struct nfs3_mkdirargs {
920 struct nfs_fh * fh;
921 const char * name;
922 unsigned int len;
923 struct iattr * sattr;
924};
925
926struct nfs3_symlinkargs {
927 struct nfs_fh * fromfh;
928 const char * fromname;
929 unsigned int fromlen;
930 struct page ** pages;
931 unsigned int pathlen;
932 struct iattr * sattr;
933};
934
935struct nfs3_mknodargs {
936 struct nfs_fh * fh;
937 const char * name;
938 unsigned int len;
939 enum nfs3_ftype type;
940 struct iattr * sattr;
941 dev_t rdev;
942};
943
944struct nfs3_linkargs {
945 struct nfs_fh * fromfh;
946 struct nfs_fh * tofh;
947 const char * toname;
948 unsigned int tolen;
949};
950
951struct nfs3_readdirargs {
952 struct nfs_fh * fh;
953 __u64 cookie;
954 __be32 verf[2];
955 bool plus;
956 unsigned int count;
957 struct page ** pages;
958};
959
960struct nfs3_diropres {
961 struct nfs_fattr * dir_attr;
962 struct nfs_fh * fh;
963 struct nfs_fattr * fattr;
964};
965
966struct nfs3_accessres {
967 struct nfs_fattr * fattr;
968 __u32 access;
969};
970
971struct nfs3_readlinkargs {
972 struct nfs_fh * fh;
973 unsigned int pgbase;
974 unsigned int pglen;
975 struct page ** pages;
976};
977
978struct nfs3_linkres {
979 struct nfs_fattr * dir_attr;
980 struct nfs_fattr * fattr;
981};
982
983struct nfs3_readdirres {
984 struct nfs_fattr * dir_attr;
985 __be32 * verf;
986 bool plus;
987};
988
989struct nfs3_getaclres {
990 struct nfs_fattr * fattr;
991 int mask;
992 unsigned int acl_access_count;
993 unsigned int acl_default_count;
994 struct posix_acl * acl_access;
995 struct posix_acl * acl_default;
996};
997
998#if IS_ENABLED(CONFIG_NFS_V4)
999
1000typedef u64 clientid4;
1001
1002struct nfs4_accessargs {
1003 struct nfs4_sequence_args seq_args;
1004 const struct nfs_fh * fh;
1005 const u32 * bitmask;
1006 u32 access;
1007};
1008
1009struct nfs4_accessres {
1010 struct nfs4_sequence_res seq_res;
1011 const struct nfs_server * server;
1012 struct nfs_fattr * fattr;
1013 u32 supported;
1014 u32 access;
1015};
1016
1017struct nfs4_create_arg {
1018 struct nfs4_sequence_args seq_args;
1019 u32 ftype;
1020 union {
1021 struct {
1022 struct page ** pages;
1023 unsigned int len;
1024 } symlink;
1025 struct {
1026 u32 specdata1;
1027 u32 specdata2;
1028 } device;
1029 } u;
1030 const struct qstr * name;
1031 const struct nfs_server * server;
1032 const struct iattr * attrs;
1033 const struct nfs_fh * dir_fh;
1034 const u32 * bitmask;
1035 const struct nfs4_label *label;
1036 umode_t umask;
1037};
1038
1039struct nfs4_create_res {
1040 struct nfs4_sequence_res seq_res;
1041 const struct nfs_server * server;
1042 struct nfs_fh * fh;
1043 struct nfs_fattr * fattr;
1044 struct nfs4_label *label;
1045 struct nfs4_change_info dir_cinfo;
1046};
1047
1048struct nfs4_fsinfo_arg {
1049 struct nfs4_sequence_args seq_args;
1050 const struct nfs_fh * fh;
1051 const u32 * bitmask;
1052};
1053
1054struct nfs4_fsinfo_res {
1055 struct nfs4_sequence_res seq_res;
1056 struct nfs_fsinfo *fsinfo;
1057};
1058
1059struct nfs4_getattr_arg {
1060 struct nfs4_sequence_args seq_args;
1061 const struct nfs_fh * fh;
1062 const u32 * bitmask;
1063};
1064
1065struct nfs4_getattr_res {
1066 struct nfs4_sequence_res seq_res;
1067 const struct nfs_server * server;
1068 struct nfs_fattr * fattr;
1069 struct nfs4_label *label;
1070};
1071
1072struct nfs4_link_arg {
1073 struct nfs4_sequence_args seq_args;
1074 const struct nfs_fh * fh;
1075 const struct nfs_fh * dir_fh;
1076 const struct qstr * name;
1077 const u32 * bitmask;
1078};
1079
1080struct nfs4_link_res {
1081 struct nfs4_sequence_res seq_res;
1082 const struct nfs_server * server;
1083 struct nfs_fattr * fattr;
1084 struct nfs4_label *label;
1085 struct nfs4_change_info cinfo;
1086 struct nfs_fattr * dir_attr;
1087};
1088
1089struct nfs4_lookup_arg {
1090 struct nfs4_sequence_args seq_args;
1091 const struct nfs_fh * dir_fh;
1092 const struct qstr * name;
1093 const u32 * bitmask;
1094};
1095
1096struct nfs4_lookup_res {
1097 struct nfs4_sequence_res seq_res;
1098 const struct nfs_server * server;
1099 struct nfs_fattr * fattr;
1100 struct nfs_fh * fh;
1101 struct nfs4_label *label;
1102};
1103
1104struct nfs4_lookupp_arg {
1105 struct nfs4_sequence_args seq_args;
1106 const struct nfs_fh *fh;
1107 const u32 *bitmask;
1108};
1109
1110struct nfs4_lookupp_res {
1111 struct nfs4_sequence_res seq_res;
1112 const struct nfs_server *server;
1113 struct nfs_fattr *fattr;
1114 struct nfs_fh *fh;
1115 struct nfs4_label *label;
1116};
1117
1118struct nfs4_lookup_root_arg {
1119 struct nfs4_sequence_args seq_args;
1120 const u32 * bitmask;
1121};
1122
1123struct nfs4_pathconf_arg {
1124 struct nfs4_sequence_args seq_args;
1125 const struct nfs_fh * fh;
1126 const u32 * bitmask;
1127};
1128
1129struct nfs4_pathconf_res {
1130 struct nfs4_sequence_res seq_res;
1131 struct nfs_pathconf *pathconf;
1132};
1133
1134struct nfs4_readdir_arg {
1135 struct nfs4_sequence_args seq_args;
1136 const struct nfs_fh * fh;
1137 u64 cookie;
1138 nfs4_verifier verifier;
1139 u32 count;
1140 struct page ** pages;
1141 unsigned int pgbase;
1142 const u32 * bitmask;
1143 bool plus;
1144};
1145
1146struct nfs4_readdir_res {
1147 struct nfs4_sequence_res seq_res;
1148 nfs4_verifier verifier;
1149 unsigned int pgbase;
1150};
1151
1152struct nfs4_readlink {
1153 struct nfs4_sequence_args seq_args;
1154 const struct nfs_fh * fh;
1155 unsigned int pgbase;
1156 unsigned int pglen;
1157 struct page ** pages;
1158};
1159
1160struct nfs4_readlink_res {
1161 struct nfs4_sequence_res seq_res;
1162};
1163
1164struct nfs4_setclientid {
1165 const nfs4_verifier * sc_verifier;
1166 u32 sc_prog;
1167 unsigned int sc_netid_len;
1168 char sc_netid[RPCBIND_MAXNETIDLEN + 1];
1169 unsigned int sc_uaddr_len;
1170 char sc_uaddr[RPCBIND_MAXUADDRLEN + 1];
1171 struct nfs_client *sc_clnt;
1172 struct rpc_cred *sc_cred;
1173};
1174
1175struct nfs4_setclientid_res {
1176 u64 clientid;
1177 nfs4_verifier confirm;
1178};
1179
1180struct nfs4_statfs_arg {
1181 struct nfs4_sequence_args seq_args;
1182 const struct nfs_fh * fh;
1183 const u32 * bitmask;
1184};
1185
1186struct nfs4_statfs_res {
1187 struct nfs4_sequence_res seq_res;
1188 struct nfs_fsstat *fsstat;
1189};
1190
1191struct nfs4_server_caps_arg {
1192 struct nfs4_sequence_args seq_args;
1193 struct nfs_fh *fhandle;
1194 const u32 * bitmask;
1195};
1196
1197struct nfs4_server_caps_res {
1198 struct nfs4_sequence_res seq_res;
1199 u32 attr_bitmask[3];
1200 u32 exclcreat_bitmask[3];
1201 u32 acl_bitmask;
1202 u32 has_links;
1203 u32 has_symlinks;
1204 u32 fh_expire_type;
1205};
1206
1207#define NFS4_PATHNAME_MAXCOMPONENTS 512
1208struct nfs4_pathname {
1209 unsigned int ncomponents;
1210 struct nfs4_string components[NFS4_PATHNAME_MAXCOMPONENTS];
1211};
1212
1213#define NFS4_FS_LOCATION_MAXSERVERS 10
1214struct nfs4_fs_location {
1215 unsigned int nservers;
1216 struct nfs4_string servers[NFS4_FS_LOCATION_MAXSERVERS];
1217 struct nfs4_pathname rootpath;
1218};
1219
1220#define NFS4_FS_LOCATIONS_MAXENTRIES 10
1221struct nfs4_fs_locations {
1222 struct nfs_fattr fattr;
1223 const struct nfs_server *server;
1224 struct nfs4_pathname fs_path;
1225 int nlocations;
1226 struct nfs4_fs_location locations[NFS4_FS_LOCATIONS_MAXENTRIES];
1227};
1228
1229struct nfs4_fs_locations_arg {
1230 struct nfs4_sequence_args seq_args;
1231 const struct nfs_fh *dir_fh;
1232 const struct nfs_fh *fh;
1233 const struct qstr *name;
1234 struct page *page;
1235 const u32 *bitmask;
1236 clientid4 clientid;
1237 unsigned char migration:1, renew:1;
1238};
1239
1240struct nfs4_fs_locations_res {
1241 struct nfs4_sequence_res seq_res;
1242 struct nfs4_fs_locations *fs_locations;
1243 unsigned char migration:1, renew:1;
1244};
1245
1246struct nfs4_secinfo4 {
1247 u32 flavor;
1248 struct rpcsec_gss_info flavor_info;
1249};
1250
1251struct nfs4_secinfo_flavors {
1252 unsigned int num_flavors;
1253 struct nfs4_secinfo4 flavors[];
1254};
1255
1256struct nfs4_secinfo_arg {
1257 struct nfs4_sequence_args seq_args;
1258 const struct nfs_fh *dir_fh;
1259 const struct qstr *name;
1260};
1261
1262struct nfs4_secinfo_res {
1263 struct nfs4_sequence_res seq_res;
1264 struct nfs4_secinfo_flavors *flavors;
1265};
1266
1267struct nfs4_fsid_present_arg {
1268 struct nfs4_sequence_args seq_args;
1269 const struct nfs_fh *fh;
1270 clientid4 clientid;
1271 unsigned char renew:1;
1272};
1273
1274struct nfs4_fsid_present_res {
1275 struct nfs4_sequence_res seq_res;
1276 struct nfs_fh *fh;
1277 unsigned char renew:1;
1278};
1279
1280#endif
1281
1282struct nfstime4 {
1283 u64 seconds;
1284 u32 nseconds;
1285};
1286
1287#ifdef CONFIG_NFS_V4_1
1288
1289struct pnfs_commit_bucket {
1290 struct list_head written;
1291 struct list_head committing;
1292 struct pnfs_layout_segment *lseg;
1293 struct nfs_writeverf direct_verf;
1294};
1295
1296struct pnfs_commit_array {
1297 struct list_head cinfo_list;
1298 struct list_head lseg_list;
1299 struct pnfs_layout_segment *lseg;
1300 struct rcu_head rcu;
1301 refcount_t refcount;
1302 unsigned int nbuckets;
1303 struct pnfs_commit_bucket buckets[];
1304};
1305
1306struct pnfs_ds_commit_info {
1307 struct list_head commits;
1308 unsigned int nwritten;
1309 unsigned int ncommitting;
1310 const struct pnfs_commit_ops *ops;
1311};
1312
1313struct nfs41_state_protection {
1314 u32 how;
1315 struct nfs4_op_map enforce;
1316 struct nfs4_op_map allow;
1317};
1318
1319struct nfs41_exchange_id_args {
1320 struct nfs_client *client;
1321 nfs4_verifier verifier;
1322 u32 flags;
1323 struct nfs41_state_protection state_protect;
1324};
1325
1326struct nfs41_server_owner {
1327 uint64_t minor_id;
1328 uint32_t major_id_sz;
1329 char major_id[NFS4_OPAQUE_LIMIT];
1330};
1331
1332struct nfs41_server_scope {
1333 uint32_t server_scope_sz;
1334 char server_scope[NFS4_OPAQUE_LIMIT];
1335};
1336
1337struct nfs41_impl_id {
1338 char domain[NFS4_OPAQUE_LIMIT + 1];
1339 char name[NFS4_OPAQUE_LIMIT + 1];
1340 struct nfstime4 date;
1341};
1342
1343#define MAX_BIND_CONN_TO_SESSION_RETRIES 3
1344struct nfs41_bind_conn_to_session_args {
1345 struct nfs_client *client;
1346 struct nfs4_sessionid sessionid;
1347 u32 dir;
1348 bool use_conn_in_rdma_mode;
1349 int retries;
1350};
1351
1352struct nfs41_bind_conn_to_session_res {
1353 struct nfs4_sessionid sessionid;
1354 u32 dir;
1355 bool use_conn_in_rdma_mode;
1356};
1357
1358struct nfs41_exchange_id_res {
1359 u64 clientid;
1360 u32 seqid;
1361 u32 flags;
1362 struct nfs41_server_owner *server_owner;
1363 struct nfs41_server_scope *server_scope;
1364 struct nfs41_impl_id *impl_id;
1365 struct nfs41_state_protection state_protect;
1366};
1367
1368struct nfs41_create_session_args {
1369 struct nfs_client *client;
1370 u64 clientid;
1371 uint32_t seqid;
1372 uint32_t flags;
1373 uint32_t cb_program;
1374 struct nfs4_channel_attrs fc_attrs;
1375 struct nfs4_channel_attrs bc_attrs;
1376};
1377
1378struct nfs41_create_session_res {
1379 struct nfs4_sessionid sessionid;
1380 uint32_t seqid;
1381 uint32_t flags;
1382 struct nfs4_channel_attrs fc_attrs;
1383 struct nfs4_channel_attrs bc_attrs;
1384};
1385
1386struct nfs41_reclaim_complete_args {
1387 struct nfs4_sequence_args seq_args;
1388
1389 unsigned char one_fs:1;
1390};
1391
1392struct nfs41_reclaim_complete_res {
1393 struct nfs4_sequence_res seq_res;
1394};
1395
1396#define SECINFO_STYLE_CURRENT_FH 0
1397#define SECINFO_STYLE_PARENT 1
1398struct nfs41_secinfo_no_name_args {
1399 struct nfs4_sequence_args seq_args;
1400 int style;
1401};
1402
1403struct nfs41_test_stateid_args {
1404 struct nfs4_sequence_args seq_args;
1405 nfs4_stateid *stateid;
1406};
1407
1408struct nfs41_test_stateid_res {
1409 struct nfs4_sequence_res seq_res;
1410 unsigned int status;
1411};
1412
1413struct nfs41_free_stateid_args {
1414 struct nfs4_sequence_args seq_args;
1415 nfs4_stateid stateid;
1416};
1417
1418struct nfs41_free_stateid_res {
1419 struct nfs4_sequence_res seq_res;
1420 unsigned int status;
1421};
1422
1423#else
1424
1425struct pnfs_ds_commit_info {
1426};
1427
1428#endif
1429
1430#ifdef CONFIG_NFS_V4_2
1431struct nfs42_falloc_args {
1432 struct nfs4_sequence_args seq_args;
1433
1434 struct nfs_fh *falloc_fh;
1435 nfs4_stateid falloc_stateid;
1436 u64 falloc_offset;
1437 u64 falloc_length;
1438 const u32 *falloc_bitmask;
1439};
1440
1441struct nfs42_falloc_res {
1442 struct nfs4_sequence_res seq_res;
1443 unsigned int status;
1444
1445 struct nfs_fattr *falloc_fattr;
1446 const struct nfs_server *falloc_server;
1447};
1448
1449struct nfs42_copy_args {
1450 struct nfs4_sequence_args seq_args;
1451
1452 struct nfs_fh *src_fh;
1453 nfs4_stateid src_stateid;
1454 u64 src_pos;
1455
1456 struct nfs_fh *dst_fh;
1457 nfs4_stateid dst_stateid;
1458 u64 dst_pos;
1459
1460 u64 count;
1461 bool sync;
1462 struct nl4_server *cp_src;
1463};
1464
1465struct nfs42_write_res {
1466 nfs4_stateid stateid;
1467 u64 count;
1468 struct nfs_writeverf verifier;
1469};
1470
1471struct nfs42_copy_res {
1472 struct nfs4_sequence_res seq_res;
1473 struct nfs42_write_res write_res;
1474 bool consecutive;
1475 bool synchronous;
1476 struct nfs_commitres commit_res;
1477};
1478
1479struct nfs42_offload_status_args {
1480 struct nfs4_sequence_args osa_seq_args;
1481 struct nfs_fh *osa_src_fh;
1482 nfs4_stateid osa_stateid;
1483};
1484
1485struct nfs42_offload_status_res {
1486 struct nfs4_sequence_res osr_seq_res;
1487 uint64_t osr_count;
1488 int osr_status;
1489};
1490
1491struct nfs42_copy_notify_args {
1492 struct nfs4_sequence_args cna_seq_args;
1493
1494 struct nfs_fh *cna_src_fh;
1495 nfs4_stateid cna_src_stateid;
1496 struct nl4_server cna_dst;
1497};
1498
1499struct nfs42_copy_notify_res {
1500 struct nfs4_sequence_res cnr_seq_res;
1501
1502 struct nfstime4 cnr_lease_time;
1503 nfs4_stateid cnr_stateid;
1504 struct nl4_server cnr_src;
1505};
1506
1507struct nfs42_seek_args {
1508 struct nfs4_sequence_args seq_args;
1509
1510 struct nfs_fh *sa_fh;
1511 nfs4_stateid sa_stateid;
1512 u64 sa_offset;
1513 u32 sa_what;
1514};
1515
1516struct nfs42_seek_res {
1517 struct nfs4_sequence_res seq_res;
1518 unsigned int status;
1519
1520 u32 sr_eof;
1521 u64 sr_offset;
1522};
1523
1524struct nfs42_setxattrargs {
1525 struct nfs4_sequence_args seq_args;
1526 struct nfs_fh *fh;
1527 const char *xattr_name;
1528 u32 xattr_flags;
1529 size_t xattr_len;
1530 struct page **xattr_pages;
1531};
1532
1533struct nfs42_setxattrres {
1534 struct nfs4_sequence_res seq_res;
1535 struct nfs4_change_info cinfo;
1536};
1537
1538struct nfs42_getxattrargs {
1539 struct nfs4_sequence_args seq_args;
1540 struct nfs_fh *fh;
1541 const char *xattr_name;
1542 size_t xattr_len;
1543 struct page **xattr_pages;
1544};
1545
1546struct nfs42_getxattrres {
1547 struct nfs4_sequence_res seq_res;
1548 size_t xattr_len;
1549};
1550
1551struct nfs42_listxattrsargs {
1552 struct nfs4_sequence_args seq_args;
1553 struct nfs_fh *fh;
1554 u32 count;
1555 u64 cookie;
1556 struct page **xattr_pages;
1557};
1558
1559struct nfs42_listxattrsres {
1560 struct nfs4_sequence_res seq_res;
1561 struct page *scratch;
1562 void *xattr_buf;
1563 size_t xattr_len;
1564 u64 cookie;
1565 bool eof;
1566 size_t copied;
1567};
1568
1569struct nfs42_removexattrargs {
1570 struct nfs4_sequence_args seq_args;
1571 struct nfs_fh *fh;
1572 const char *xattr_name;
1573};
1574
1575struct nfs42_removexattrres {
1576 struct nfs4_sequence_res seq_res;
1577 struct nfs4_change_info cinfo;
1578};
1579
1580#endif
1581
1582struct nfs_page;
1583
1584#define NFS_PAGEVEC_SIZE (8U)
1585
1586struct nfs_page_array {
1587 struct page **pagevec;
1588 unsigned int npages;
1589 struct page *page_array[NFS_PAGEVEC_SIZE];
1590};
1591
1592
1593enum {
1594 NFS_IOHDR_ERROR = 0,
1595 NFS_IOHDR_EOF,
1596 NFS_IOHDR_REDO,
1597 NFS_IOHDR_STAT,
1598 NFS_IOHDR_RESEND_PNFS,
1599 NFS_IOHDR_RESEND_MDS,
1600};
1601
1602struct nfs_io_completion;
1603struct nfs_pgio_header {
1604 struct inode *inode;
1605 const struct cred *cred;
1606 struct list_head pages;
1607 struct nfs_page *req;
1608 struct nfs_writeverf verf;
1609 fmode_t rw_mode;
1610 struct pnfs_layout_segment *lseg;
1611 loff_t io_start;
1612 const struct rpc_call_ops *mds_ops;
1613 void (*release) (struct nfs_pgio_header *hdr);
1614 const struct nfs_pgio_completion_ops *completion_ops;
1615 const struct nfs_rw_ops *rw_ops;
1616 struct nfs_io_completion *io_completion;
1617 struct nfs_direct_req *dreq;
1618
1619 int pnfs_error;
1620 int error;
1621 unsigned int good_bytes;
1622 unsigned long flags;
1623
1624
1625
1626
1627 struct rpc_task task;
1628 struct nfs_fattr fattr;
1629 struct nfs_pgio_args args;
1630 struct nfs_pgio_res res;
1631 unsigned long timestamp;
1632 int (*pgio_done_cb)(struct rpc_task *, struct nfs_pgio_header *);
1633 __u64 mds_offset;
1634 struct nfs_page_array page_array;
1635 struct nfs_client *ds_clp;
1636 u32 ds_commit_idx;
1637 u32 pgio_mirror_idx;
1638};
1639
1640struct nfs_mds_commit_info {
1641 atomic_t rpcs_out;
1642 atomic_long_t ncommit;
1643 struct list_head list;
1644};
1645
1646struct nfs_commit_info;
1647struct nfs_commit_data;
1648struct nfs_inode;
1649struct nfs_commit_completion_ops {
1650 void (*completion) (struct nfs_commit_data *data);
1651 void (*resched_write) (struct nfs_commit_info *, struct nfs_page *);
1652};
1653
1654struct nfs_commit_info {
1655 struct inode *inode;
1656 struct nfs_mds_commit_info *mds;
1657 struct pnfs_ds_commit_info *ds;
1658 struct nfs_direct_req *dreq;
1659 const struct nfs_commit_completion_ops *completion_ops;
1660};
1661
1662struct nfs_commit_data {
1663 struct rpc_task task;
1664 struct inode *inode;
1665 const struct cred *cred;
1666 struct nfs_fattr fattr;
1667 struct nfs_writeverf verf;
1668 struct list_head pages;
1669 struct list_head list;
1670 struct nfs_direct_req *dreq;
1671 struct nfs_commitargs args;
1672 struct nfs_commitres res;
1673 struct nfs_open_context *context;
1674 struct pnfs_layout_segment *lseg;
1675 struct nfs_client *ds_clp;
1676 int ds_commit_index;
1677 loff_t lwb;
1678 const struct rpc_call_ops *mds_ops;
1679 const struct nfs_commit_completion_ops *completion_ops;
1680 int (*commit_done_cb) (struct rpc_task *task, struct nfs_commit_data *data);
1681 unsigned long flags;
1682};
1683
1684struct nfs_pgio_completion_ops {
1685 void (*error_cleanup)(struct list_head *head, int);
1686 void (*init_hdr)(struct nfs_pgio_header *hdr);
1687 void (*completion)(struct nfs_pgio_header *hdr);
1688 void (*reschedule_io)(struct nfs_pgio_header *hdr);
1689};
1690
1691struct nfs_unlinkdata {
1692 struct nfs_removeargs args;
1693 struct nfs_removeres res;
1694 struct dentry *dentry;
1695 wait_queue_head_t wq;
1696 const struct cred *cred;
1697 struct nfs_fattr dir_attr;
1698 long timeout;
1699};
1700
1701struct nfs_renamedata {
1702 struct nfs_renameargs args;
1703 struct nfs_renameres res;
1704 const struct cred *cred;
1705 struct inode *old_dir;
1706 struct dentry *old_dentry;
1707 struct nfs_fattr old_fattr;
1708 struct inode *new_dir;
1709 struct dentry *new_dentry;
1710 struct nfs_fattr new_fattr;
1711 void (*complete)(struct rpc_task *, struct nfs_renamedata *);
1712 long timeout;
1713 bool cancelled;
1714};
1715
1716struct nfs_access_entry;
1717struct nfs_client;
1718struct rpc_timeout;
1719struct nfs_subversion;
1720struct nfs_mount_info;
1721struct nfs_client_initdata;
1722struct nfs_pageio_descriptor;
1723struct fs_context;
1724
1725
1726
1727
1728struct nfs_rpc_ops {
1729 u32 version;
1730 const struct dentry_operations *dentry_ops;
1731 const struct inode_operations *dir_inode_ops;
1732 const struct inode_operations *file_inode_ops;
1733 const struct file_operations *file_ops;
1734 const struct nlmclnt_operations *nlmclnt_ops;
1735
1736 int (*getroot) (struct nfs_server *, struct nfs_fh *,
1737 struct nfs_fsinfo *);
1738 int (*submount) (struct fs_context *, struct nfs_server *);
1739 int (*try_get_tree) (struct fs_context *);
1740 int (*getattr) (struct nfs_server *, struct nfs_fh *,
1741 struct nfs_fattr *, struct nfs4_label *,
1742 struct inode *);
1743 int (*setattr) (struct dentry *, struct nfs_fattr *,
1744 struct iattr *);
1745 int (*lookup) (struct inode *, struct dentry *,
1746 struct nfs_fh *, struct nfs_fattr *,
1747 struct nfs4_label *);
1748 int (*lookupp) (struct inode *, struct nfs_fh *,
1749 struct nfs_fattr *, struct nfs4_label *);
1750 int (*access) (struct inode *, struct nfs_access_entry *);
1751 int (*readlink)(struct inode *, struct page *, unsigned int,
1752 unsigned int);
1753 int (*create) (struct inode *, struct dentry *,
1754 struct iattr *, int);
1755 int (*remove) (struct inode *, struct dentry *);
1756 void (*unlink_setup) (struct rpc_message *, struct dentry *, struct inode *);
1757 void (*unlink_rpc_prepare) (struct rpc_task *, struct nfs_unlinkdata *);
1758 int (*unlink_done) (struct rpc_task *, struct inode *);
1759 void (*rename_setup) (struct rpc_message *msg,
1760 struct dentry *old_dentry,
1761 struct dentry *new_dentry);
1762 void (*rename_rpc_prepare)(struct rpc_task *task, struct nfs_renamedata *);
1763 int (*rename_done) (struct rpc_task *task, struct inode *old_dir, struct inode *new_dir);
1764 int (*link) (struct inode *, struct inode *, const struct qstr *);
1765 int (*symlink) (struct inode *, struct dentry *, struct page *,
1766 unsigned int, struct iattr *);
1767 int (*mkdir) (struct inode *, struct dentry *, struct iattr *);
1768 int (*rmdir) (struct inode *, const struct qstr *);
1769 int (*readdir) (struct nfs_readdir_arg *, struct nfs_readdir_res *);
1770 int (*mknod) (struct inode *, struct dentry *, struct iattr *,
1771 dev_t);
1772 int (*statfs) (struct nfs_server *, struct nfs_fh *,
1773 struct nfs_fsstat *);
1774 int (*fsinfo) (struct nfs_server *, struct nfs_fh *,
1775 struct nfs_fsinfo *);
1776 int (*pathconf) (struct nfs_server *, struct nfs_fh *,
1777 struct nfs_pathconf *);
1778 int (*set_capabilities)(struct nfs_server *, struct nfs_fh *);
1779 int (*decode_dirent)(struct xdr_stream *, struct nfs_entry *, bool);
1780 int (*pgio_rpc_prepare)(struct rpc_task *,
1781 struct nfs_pgio_header *);
1782 void (*read_setup)(struct nfs_pgio_header *, struct rpc_message *);
1783 int (*read_done)(struct rpc_task *, struct nfs_pgio_header *);
1784 void (*write_setup)(struct nfs_pgio_header *, struct rpc_message *,
1785 struct rpc_clnt **);
1786 int (*write_done)(struct rpc_task *, struct nfs_pgio_header *);
1787 void (*commit_setup) (struct nfs_commit_data *, struct rpc_message *,
1788 struct rpc_clnt **);
1789 void (*commit_rpc_prepare)(struct rpc_task *, struct nfs_commit_data *);
1790 int (*commit_done) (struct rpc_task *, struct nfs_commit_data *);
1791 int (*lock)(struct file *, int, struct file_lock *);
1792 int (*lock_check_bounds)(const struct file_lock *);
1793 void (*clear_acl_cache)(struct inode *);
1794 void (*close_context)(struct nfs_open_context *ctx, int);
1795 struct inode * (*open_context) (struct inode *dir,
1796 struct nfs_open_context *ctx,
1797 int open_flags,
1798 struct iattr *iattr,
1799 int *);
1800 int (*have_delegation)(struct inode *, fmode_t);
1801 struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
1802 struct nfs_client *(*init_client) (struct nfs_client *,
1803 const struct nfs_client_initdata *);
1804 void (*free_client) (struct nfs_client *);
1805 struct nfs_server *(*create_server)(struct fs_context *);
1806 struct nfs_server *(*clone_server)(struct nfs_server *, struct nfs_fh *,
1807 struct nfs_fattr *, rpc_authflavor_t);
1808};
1809
1810
1811
1812
1813
1814
1815#define NFS_CALL(op, inode, args) NFS_PROTO(inode)->op args
1816
1817
1818
1819
1820extern const struct nfs_rpc_ops nfs_v2_clientops;
1821extern const struct nfs_rpc_ops nfs_v3_clientops;
1822extern const struct nfs_rpc_ops nfs_v4_clientops;
1823extern const struct rpc_version nfs_version2;
1824extern const struct rpc_version nfs_version3;
1825extern const struct rpc_version nfs_version4;
1826
1827extern const struct rpc_version nfsacl_version3;
1828extern const struct rpc_program nfsacl_program;
1829
1830#endif
1831