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31#include <linux/types.h>
32#include <linux/param.h>
33#include <linux/time.h>
34#include <linux/mm.h>
35#include <linux/errno.h>
36#include <linux/string.h>
37#include <linux/in.h>
38#include <linux/pagemap.h>
39#include <linux/sunrpc/clnt.h>
40#include <linux/nfs.h>
41#include <linux/nfs2.h>
42#include <linux/nfs_fs.h>
43#include <linux/nfs_page.h>
44#include <linux/lockd/bind.h>
45#include <linux/freezer.h>
46#include "internal.h"
47
48#define NFSDBG_FACILITY NFSDBG_PROC
49
50
51
52
53static int
54nfs_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
55 struct nfs_fsinfo *info)
56{
57 struct nfs_fattr *fattr = info->fattr;
58 struct nfs2_fsstat fsinfo;
59 struct rpc_message msg = {
60 .rpc_proc = &nfs_procedures[NFSPROC_GETATTR],
61 .rpc_argp = fhandle,
62 .rpc_resp = fattr,
63 };
64 int status;
65
66 dprintk("%s: call getattr\n", __func__);
67 nfs_fattr_init(fattr);
68 status = rpc_call_sync(server->client, &msg, 0);
69
70 if (status && server->nfs_client->cl_rpcclient != server->client)
71 status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0);
72 dprintk("%s: reply getattr: %d\n", __func__, status);
73 if (status)
74 return status;
75 dprintk("%s: call statfs\n", __func__);
76 msg.rpc_proc = &nfs_procedures[NFSPROC_STATFS];
77 msg.rpc_resp = &fsinfo;
78 status = rpc_call_sync(server->client, &msg, 0);
79
80 if (status && server->nfs_client->cl_rpcclient != server->client)
81 status = rpc_call_sync(server->nfs_client->cl_rpcclient, &msg, 0);
82 dprintk("%s: reply statfs: %d\n", __func__, status);
83 if (status)
84 return status;
85 info->rtmax = NFS_MAXDATA;
86 info->rtpref = fsinfo.tsize;
87 info->rtmult = fsinfo.bsize;
88 info->wtmax = NFS_MAXDATA;
89 info->wtpref = fsinfo.tsize;
90 info->wtmult = fsinfo.bsize;
91 info->dtpref = fsinfo.tsize;
92 info->maxfilesize = 0x7FFFFFFF;
93 info->lease_time = 0;
94 info->change_attr_type = NFS4_CHANGE_TYPE_IS_TIME_METADATA;
95 return 0;
96}
97
98
99
100
101static int
102nfs_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
103 struct nfs_fattr *fattr, struct nfs4_label *label,
104 struct inode *inode)
105{
106 struct rpc_message msg = {
107 .rpc_proc = &nfs_procedures[NFSPROC_GETATTR],
108 .rpc_argp = fhandle,
109 .rpc_resp = fattr,
110 };
111 int status;
112 unsigned short task_flags = 0;
113
114
115 if (inode && (server->flags & NFS_MOUNT_SOFTREVAL))
116 task_flags |= RPC_TASK_TIMEOUT;
117
118 dprintk("NFS call getattr\n");
119 nfs_fattr_init(fattr);
120 status = rpc_call_sync(server->client, &msg, task_flags);
121 dprintk("NFS reply getattr: %d\n", status);
122 return status;
123}
124
125static int
126nfs_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
127 struct iattr *sattr)
128{
129 struct inode *inode = d_inode(dentry);
130 struct nfs_sattrargs arg = {
131 .fh = NFS_FH(inode),
132 .sattr = sattr
133 };
134 struct rpc_message msg = {
135 .rpc_proc = &nfs_procedures[NFSPROC_SETATTR],
136 .rpc_argp = &arg,
137 .rpc_resp = fattr,
138 };
139 int status;
140
141
142 sattr->ia_mode &= S_IALLUGO;
143
144 dprintk("NFS call setattr\n");
145 if (sattr->ia_valid & ATTR_FILE)
146 msg.rpc_cred = nfs_file_cred(sattr->ia_file);
147 nfs_fattr_init(fattr);
148 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
149 if (status == 0)
150 nfs_setattr_update_inode(inode, sattr, fattr);
151 dprintk("NFS reply setattr: %d\n", status);
152 return status;
153}
154
155static int
156nfs_proc_lookup(struct inode *dir, struct dentry *dentry,
157 struct nfs_fh *fhandle, struct nfs_fattr *fattr,
158 struct nfs4_label *label)
159{
160 struct nfs_diropargs arg = {
161 .fh = NFS_FH(dir),
162 .name = dentry->d_name.name,
163 .len = dentry->d_name.len
164 };
165 struct nfs_diropok res = {
166 .fh = fhandle,
167 .fattr = fattr
168 };
169 struct rpc_message msg = {
170 .rpc_proc = &nfs_procedures[NFSPROC_LOOKUP],
171 .rpc_argp = &arg,
172 .rpc_resp = &res,
173 };
174 int status;
175 unsigned short task_flags = 0;
176
177
178 if (nfs_lookup_is_soft_revalidate(dentry))
179 task_flags |= RPC_TASK_TIMEOUT;
180
181 dprintk("NFS call lookup %pd2\n", dentry);
182 nfs_fattr_init(fattr);
183 status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags);
184 dprintk("NFS reply lookup: %d\n", status);
185 return status;
186}
187
188static int nfs_proc_readlink(struct inode *inode, struct page *page,
189 unsigned int pgbase, unsigned int pglen)
190{
191 struct nfs_readlinkargs args = {
192 .fh = NFS_FH(inode),
193 .pgbase = pgbase,
194 .pglen = pglen,
195 .pages = &page
196 };
197 struct rpc_message msg = {
198 .rpc_proc = &nfs_procedures[NFSPROC_READLINK],
199 .rpc_argp = &args,
200 };
201 int status;
202
203 dprintk("NFS call readlink\n");
204 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
205 dprintk("NFS reply readlink: %d\n", status);
206 return status;
207}
208
209struct nfs_createdata {
210 struct nfs_createargs arg;
211 struct nfs_diropok res;
212 struct nfs_fh fhandle;
213 struct nfs_fattr fattr;
214};
215
216static struct nfs_createdata *nfs_alloc_createdata(struct inode *dir,
217 struct dentry *dentry, struct iattr *sattr)
218{
219 struct nfs_createdata *data;
220
221 data = kmalloc(sizeof(*data), GFP_KERNEL);
222
223 if (data != NULL) {
224 data->arg.fh = NFS_FH(dir);
225 data->arg.name = dentry->d_name.name;
226 data->arg.len = dentry->d_name.len;
227 data->arg.sattr = sattr;
228 nfs_fattr_init(&data->fattr);
229 data->fhandle.size = 0;
230 data->res.fh = &data->fhandle;
231 data->res.fattr = &data->fattr;
232 }
233 return data;
234};
235
236static void nfs_free_createdata(const struct nfs_createdata *data)
237{
238 kfree(data);
239}
240
241static int
242nfs_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
243 int flags)
244{
245 struct nfs_createdata *data;
246 struct rpc_message msg = {
247 .rpc_proc = &nfs_procedures[NFSPROC_CREATE],
248 };
249 int status = -ENOMEM;
250
251 dprintk("NFS call create %pd\n", dentry);
252 data = nfs_alloc_createdata(dir, dentry, sattr);
253 if (data == NULL)
254 goto out;
255 msg.rpc_argp = &data->arg;
256 msg.rpc_resp = &data->res;
257 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
258 nfs_mark_for_revalidate(dir);
259 if (status == 0)
260 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL);
261 nfs_free_createdata(data);
262out:
263 dprintk("NFS reply create: %d\n", status);
264 return status;
265}
266
267
268
269
270static int
271nfs_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
272 dev_t rdev)
273{
274 struct nfs_createdata *data;
275 struct rpc_message msg = {
276 .rpc_proc = &nfs_procedures[NFSPROC_CREATE],
277 };
278 umode_t mode;
279 int status = -ENOMEM;
280
281 dprintk("NFS call mknod %pd\n", dentry);
282
283 mode = sattr->ia_mode;
284 if (S_ISFIFO(mode)) {
285 sattr->ia_mode = (mode & ~S_IFMT) | S_IFCHR;
286 sattr->ia_valid &= ~ATTR_SIZE;
287 } else if (S_ISCHR(mode) || S_ISBLK(mode)) {
288 sattr->ia_valid |= ATTR_SIZE;
289 sattr->ia_size = new_encode_dev(rdev);
290 }
291
292 data = nfs_alloc_createdata(dir, dentry, sattr);
293 if (data == NULL)
294 goto out;
295 msg.rpc_argp = &data->arg;
296 msg.rpc_resp = &data->res;
297
298 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
299 nfs_mark_for_revalidate(dir);
300
301 if (status == -EINVAL && S_ISFIFO(mode)) {
302 sattr->ia_mode = mode;
303 nfs_fattr_init(data->res.fattr);
304 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
305 }
306 if (status == 0)
307 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL);
308 nfs_free_createdata(data);
309out:
310 dprintk("NFS reply mknod: %d\n", status);
311 return status;
312}
313
314static int
315nfs_proc_remove(struct inode *dir, struct dentry *dentry)
316{
317 struct nfs_removeargs arg = {
318 .fh = NFS_FH(dir),
319 .name = dentry->d_name,
320 };
321 struct rpc_message msg = {
322 .rpc_proc = &nfs_procedures[NFSPROC_REMOVE],
323 .rpc_argp = &arg,
324 };
325 int status;
326
327 dprintk("NFS call remove %pd2\n",dentry);
328 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
329 nfs_mark_for_revalidate(dir);
330
331 dprintk("NFS reply remove: %d\n", status);
332 return status;
333}
334
335static void
336nfs_proc_unlink_setup(struct rpc_message *msg,
337 struct dentry *dentry,
338 struct inode *inode)
339{
340 msg->rpc_proc = &nfs_procedures[NFSPROC_REMOVE];
341}
342
343static void nfs_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data)
344{
345 rpc_call_start(task);
346}
347
348static int nfs_proc_unlink_done(struct rpc_task *task, struct inode *dir)
349{
350 nfs_mark_for_revalidate(dir);
351 return 1;
352}
353
354static void
355nfs_proc_rename_setup(struct rpc_message *msg,
356 struct dentry *old_dentry,
357 struct dentry *new_dentry)
358{
359 msg->rpc_proc = &nfs_procedures[NFSPROC_RENAME];
360}
361
362static void nfs_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data)
363{
364 rpc_call_start(task);
365}
366
367static int
368nfs_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
369 struct inode *new_dir)
370{
371 nfs_mark_for_revalidate(old_dir);
372 nfs_mark_for_revalidate(new_dir);
373 return 1;
374}
375
376static int
377nfs_proc_link(struct inode *inode, struct inode *dir, const struct qstr *name)
378{
379 struct nfs_linkargs arg = {
380 .fromfh = NFS_FH(inode),
381 .tofh = NFS_FH(dir),
382 .toname = name->name,
383 .tolen = name->len
384 };
385 struct rpc_message msg = {
386 .rpc_proc = &nfs_procedures[NFSPROC_LINK],
387 .rpc_argp = &arg,
388 };
389 int status;
390
391 dprintk("NFS call link %s\n", name->name);
392 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
393 nfs_mark_for_revalidate(inode);
394 nfs_mark_for_revalidate(dir);
395 dprintk("NFS reply link: %d\n", status);
396 return status;
397}
398
399static int
400nfs_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
401 unsigned int len, struct iattr *sattr)
402{
403 struct nfs_fh *fh;
404 struct nfs_fattr *fattr;
405 struct nfs_symlinkargs arg = {
406 .fromfh = NFS_FH(dir),
407 .fromname = dentry->d_name.name,
408 .fromlen = dentry->d_name.len,
409 .pages = &page,
410 .pathlen = len,
411 .sattr = sattr
412 };
413 struct rpc_message msg = {
414 .rpc_proc = &nfs_procedures[NFSPROC_SYMLINK],
415 .rpc_argp = &arg,
416 };
417 int status = -ENAMETOOLONG;
418
419 dprintk("NFS call symlink %pd\n", dentry);
420
421 if (len > NFS2_MAXPATHLEN)
422 goto out;
423
424 fh = nfs_alloc_fhandle();
425 fattr = nfs_alloc_fattr();
426 status = -ENOMEM;
427 if (fh == NULL || fattr == NULL)
428 goto out_free;
429
430 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
431 nfs_mark_for_revalidate(dir);
432
433
434
435
436
437
438 if (status == 0)
439 status = nfs_instantiate(dentry, fh, fattr, NULL);
440
441out_free:
442 nfs_free_fattr(fattr);
443 nfs_free_fhandle(fh);
444out:
445 dprintk("NFS reply symlink: %d\n", status);
446 return status;
447}
448
449static int
450nfs_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
451{
452 struct nfs_createdata *data;
453 struct rpc_message msg = {
454 .rpc_proc = &nfs_procedures[NFSPROC_MKDIR],
455 };
456 int status = -ENOMEM;
457
458 dprintk("NFS call mkdir %pd\n", dentry);
459 data = nfs_alloc_createdata(dir, dentry, sattr);
460 if (data == NULL)
461 goto out;
462 msg.rpc_argp = &data->arg;
463 msg.rpc_resp = &data->res;
464
465 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
466 nfs_mark_for_revalidate(dir);
467 if (status == 0)
468 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL);
469 nfs_free_createdata(data);
470out:
471 dprintk("NFS reply mkdir: %d\n", status);
472 return status;
473}
474
475static int
476nfs_proc_rmdir(struct inode *dir, const struct qstr *name)
477{
478 struct nfs_diropargs arg = {
479 .fh = NFS_FH(dir),
480 .name = name->name,
481 .len = name->len
482 };
483 struct rpc_message msg = {
484 .rpc_proc = &nfs_procedures[NFSPROC_RMDIR],
485 .rpc_argp = &arg,
486 };
487 int status;
488
489 dprintk("NFS call rmdir %s\n", name->name);
490 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
491 nfs_mark_for_revalidate(dir);
492 dprintk("NFS reply rmdir: %d\n", status);
493 return status;
494}
495
496
497
498
499
500
501
502
503static int nfs_proc_readdir(struct nfs_readdir_arg *nr_arg,
504 struct nfs_readdir_res *nr_res)
505{
506 struct inode *dir = d_inode(nr_arg->dentry);
507 struct nfs_readdirargs arg = {
508 .fh = NFS_FH(dir),
509 .cookie = nr_arg->cookie,
510 .count = nr_arg->page_len,
511 .pages = nr_arg->pages,
512 };
513 struct rpc_message msg = {
514 .rpc_proc = &nfs_procedures[NFSPROC_READDIR],
515 .rpc_argp = &arg,
516 .rpc_cred = nr_arg->cred,
517 };
518 int status;
519
520 dprintk("NFS call readdir %llu\n", (unsigned long long)nr_arg->cookie);
521 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
522 nr_res->verf[0] = nr_res->verf[1] = 0;
523
524 nfs_invalidate_atime(dir);
525
526 dprintk("NFS reply readdir: %d\n", status);
527 return status;
528}
529
530static int
531nfs_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
532 struct nfs_fsstat *stat)
533{
534 struct nfs2_fsstat fsinfo;
535 struct rpc_message msg = {
536 .rpc_proc = &nfs_procedures[NFSPROC_STATFS],
537 .rpc_argp = fhandle,
538 .rpc_resp = &fsinfo,
539 };
540 int status;
541
542 dprintk("NFS call statfs\n");
543 nfs_fattr_init(stat->fattr);
544 status = rpc_call_sync(server->client, &msg, 0);
545 dprintk("NFS reply statfs: %d\n", status);
546 if (status)
547 goto out;
548 stat->tbytes = (u64)fsinfo.blocks * fsinfo.bsize;
549 stat->fbytes = (u64)fsinfo.bfree * fsinfo.bsize;
550 stat->abytes = (u64)fsinfo.bavail * fsinfo.bsize;
551 stat->tfiles = 0;
552 stat->ffiles = 0;
553 stat->afiles = 0;
554out:
555 return status;
556}
557
558static int
559nfs_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
560 struct nfs_fsinfo *info)
561{
562 struct nfs2_fsstat fsinfo;
563 struct rpc_message msg = {
564 .rpc_proc = &nfs_procedures[NFSPROC_STATFS],
565 .rpc_argp = fhandle,
566 .rpc_resp = &fsinfo,
567 };
568 int status;
569
570 dprintk("NFS call fsinfo\n");
571 nfs_fattr_init(info->fattr);
572 status = rpc_call_sync(server->client, &msg, 0);
573 dprintk("NFS reply fsinfo: %d\n", status);
574 if (status)
575 goto out;
576 info->rtmax = NFS_MAXDATA;
577 info->rtpref = fsinfo.tsize;
578 info->rtmult = fsinfo.bsize;
579 info->wtmax = NFS_MAXDATA;
580 info->wtpref = fsinfo.tsize;
581 info->wtmult = fsinfo.bsize;
582 info->dtpref = fsinfo.tsize;
583 info->maxfilesize = 0x7FFFFFFF;
584 info->lease_time = 0;
585out:
586 return status;
587}
588
589static int
590nfs_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
591 struct nfs_pathconf *info)
592{
593 info->max_link = 0;
594 info->max_namelen = NFS2_MAXNAMLEN;
595 return 0;
596}
597
598static int nfs_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
599{
600 struct inode *inode = hdr->inode;
601
602 nfs_invalidate_atime(inode);
603 if (task->tk_status >= 0) {
604 nfs_refresh_inode(inode, hdr->res.fattr);
605
606
607
608 if ((hdr->res.count == 0 && hdr->args.count > 0) ||
609 hdr->args.offset + hdr->res.count >= hdr->res.fattr->size)
610 hdr->res.eof = 1;
611 }
612 return 0;
613}
614
615static void nfs_proc_read_setup(struct nfs_pgio_header *hdr,
616 struct rpc_message *msg)
617{
618 msg->rpc_proc = &nfs_procedures[NFSPROC_READ];
619}
620
621static int nfs_proc_pgio_rpc_prepare(struct rpc_task *task,
622 struct nfs_pgio_header *hdr)
623{
624 rpc_call_start(task);
625 return 0;
626}
627
628static int nfs_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr)
629{
630 if (task->tk_status >= 0) {
631 hdr->res.count = hdr->args.count;
632 nfs_writeback_update_inode(hdr);
633 }
634 return 0;
635}
636
637static void nfs_proc_write_setup(struct nfs_pgio_header *hdr,
638 struct rpc_message *msg,
639 struct rpc_clnt **clnt)
640{
641
642 hdr->args.stable = NFS_FILE_SYNC;
643 msg->rpc_proc = &nfs_procedures[NFSPROC_WRITE];
644}
645
646static void nfs_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
647{
648 BUG();
649}
650
651static void
652nfs_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg,
653 struct rpc_clnt **clnt)
654{
655 BUG();
656}
657
658static int
659nfs_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
660{
661 struct inode *inode = file_inode(filp);
662
663 return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl, NULL);
664}
665
666
667#define NFS_LOCK32_OFFSET_MAX ((__s32)0x7fffffffUL)
668static int nfs_lock_check_bounds(const struct file_lock *fl)
669{
670 __s32 start, end;
671
672 start = (__s32)fl->fl_start;
673 if ((loff_t)start != fl->fl_start)
674 goto out_einval;
675
676 if (fl->fl_end != OFFSET_MAX) {
677 end = (__s32)fl->fl_end;
678 if ((loff_t)end != fl->fl_end)
679 goto out_einval;
680 } else
681 end = NFS_LOCK32_OFFSET_MAX;
682
683 if (start < 0 || start > end)
684 goto out_einval;
685 return 0;
686out_einval:
687 return -EINVAL;
688}
689
690static int nfs_have_delegation(struct inode *inode, fmode_t flags)
691{
692 return 0;
693}
694
695static const struct inode_operations nfs_dir_inode_operations = {
696 .create = nfs_create,
697 .lookup = nfs_lookup,
698 .link = nfs_link,
699 .unlink = nfs_unlink,
700 .symlink = nfs_symlink,
701 .mkdir = nfs_mkdir,
702 .rmdir = nfs_rmdir,
703 .mknod = nfs_mknod,
704 .rename = nfs_rename,
705 .permission = nfs_permission,
706 .getattr = nfs_getattr,
707 .setattr = nfs_setattr,
708};
709
710static const struct inode_operations nfs_file_inode_operations = {
711 .permission = nfs_permission,
712 .getattr = nfs_getattr,
713 .setattr = nfs_setattr,
714};
715
716const struct nfs_rpc_ops nfs_v2_clientops = {
717 .version = 2,
718 .dentry_ops = &nfs_dentry_operations,
719 .dir_inode_ops = &nfs_dir_inode_operations,
720 .file_inode_ops = &nfs_file_inode_operations,
721 .file_ops = &nfs_file_operations,
722 .getroot = nfs_proc_get_root,
723 .submount = nfs_submount,
724 .try_get_tree = nfs_try_get_tree,
725 .getattr = nfs_proc_getattr,
726 .setattr = nfs_proc_setattr,
727 .lookup = nfs_proc_lookup,
728 .access = NULL,
729 .readlink = nfs_proc_readlink,
730 .create = nfs_proc_create,
731 .remove = nfs_proc_remove,
732 .unlink_setup = nfs_proc_unlink_setup,
733 .unlink_rpc_prepare = nfs_proc_unlink_rpc_prepare,
734 .unlink_done = nfs_proc_unlink_done,
735 .rename_setup = nfs_proc_rename_setup,
736 .rename_rpc_prepare = nfs_proc_rename_rpc_prepare,
737 .rename_done = nfs_proc_rename_done,
738 .link = nfs_proc_link,
739 .symlink = nfs_proc_symlink,
740 .mkdir = nfs_proc_mkdir,
741 .rmdir = nfs_proc_rmdir,
742 .readdir = nfs_proc_readdir,
743 .mknod = nfs_proc_mknod,
744 .statfs = nfs_proc_statfs,
745 .fsinfo = nfs_proc_fsinfo,
746 .pathconf = nfs_proc_pathconf,
747 .decode_dirent = nfs2_decode_dirent,
748 .pgio_rpc_prepare = nfs_proc_pgio_rpc_prepare,
749 .read_setup = nfs_proc_read_setup,
750 .read_done = nfs_read_done,
751 .write_setup = nfs_proc_write_setup,
752 .write_done = nfs_write_done,
753 .commit_setup = nfs_proc_commit_setup,
754 .commit_rpc_prepare = nfs_proc_commit_rpc_prepare,
755 .lock = nfs_proc_lock,
756 .lock_check_bounds = nfs_lock_check_bounds,
757 .close_context = nfs_close_context,
758 .have_delegation = nfs_have_delegation,
759 .alloc_client = nfs_alloc_client,
760 .init_client = nfs_init_client,
761 .free_client = nfs_free_client,
762 .create_server = nfs_create_server,
763 .clone_server = nfs_clone_server,
764};
765