2 * linux/fs/nfs/nfs3proc.c
4 * Client-side NFSv3 procedures stubs.
6 * Copyright (C) 1997, Olaf Kirch
10 #include <linux/errno.h>
11 #include <linux/string.h>
12 #include <linux/sunrpc/clnt.h>
13 #include <linux/slab.h>
14 #include <linux/nfs.h>
15 #include <linux/nfs3.h>
16 #include <linux/nfs_fs.h>
17 #include <linux/nfs_page.h>
18 #include <linux/lockd/bind.h>
19 #include <linux/nfs_mount.h>
24 #define NFSDBG_FACILITY NFSDBG_PROC
26 /* A wrapper to handle the EJUKEBOX and EKEYEXPIRED error messages */
28 nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
32 res = rpc_call_sync(clnt, msg, flags);
33 if (res != -EJUKEBOX && res != -EKEYEXPIRED)
35 schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
37 } while (!fatal_signal_pending(current));
41 #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags)
44 nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
46 if (task->tk_status != -EJUKEBOX && task->tk_status != -EKEYEXPIRED)
48 if (task->tk_status == -EJUKEBOX)
49 nfs_inc_stats(inode, NFSIOS_DELAY);
51 rpc_restart_call(task);
52 rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
57 do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
58 struct nfs_fsinfo *info)
60 struct rpc_message msg = {
61 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
67 dprintk("%s: call fsinfo\n", __func__);
68 nfs_fattr_init(info->fattr);
69 status = rpc_call_sync(client, &msg, 0);
70 dprintk("%s: reply fsinfo: %d\n", __func__, status);
71 if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
72 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
73 msg.rpc_resp = info->fattr;
74 status = rpc_call_sync(client, &msg, 0);
75 dprintk("%s: reply getattr: %d\n", __func__, status);
81 * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb
84 nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
85 struct nfs_fsinfo *info)
89 status = do_proc_get_root(server->client, fhandle, info);
90 if (status && server->nfs_client->cl_rpcclient != server->client)
91 status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info);
96 * One function for each procedure in the NFS protocol.
99 nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
100 struct nfs_fattr *fattr)
102 struct rpc_message msg = {
103 .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR],
109 dprintk("NFS call getattr\n");
110 nfs_fattr_init(fattr);
111 status = rpc_call_sync(server->client, &msg, 0);
112 dprintk("NFS reply getattr: %d\n", status);
117 nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
120 struct inode *inode = dentry->d_inode;
121 struct nfs3_sattrargs arg = {
125 struct rpc_message msg = {
126 .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR],
132 dprintk("NFS call setattr\n");
133 if (sattr->ia_valid & ATTR_FILE)
134 msg.rpc_cred = nfs_file_cred(sattr->ia_file);
135 nfs_fattr_init(fattr);
136 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
138 nfs_setattr_update_inode(inode, sattr);
139 dprintk("NFS reply setattr: %d\n", status);
144 nfs3_proc_lookup(struct inode *dir, struct qstr *name,
145 struct nfs_fh *fhandle, struct nfs_fattr *fattr)
147 struct nfs3_diropargs arg = {
152 struct nfs3_diropres res = {
156 struct rpc_message msg = {
157 .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
163 dprintk("NFS call lookup %s\n", name->name);
164 res.dir_attr = nfs_alloc_fattr();
165 if (res.dir_attr == NULL)
168 nfs_fattr_init(fattr);
169 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
170 nfs_refresh_inode(dir, res.dir_attr);
171 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
172 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
173 msg.rpc_argp = fhandle;
174 msg.rpc_resp = fattr;
175 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
177 nfs_free_fattr(res.dir_attr);
178 dprintk("NFS reply lookup: %d\n", status);
182 static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
184 struct nfs3_accessargs arg = {
187 struct nfs3_accessres res;
188 struct rpc_message msg = {
189 .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
192 .rpc_cred = entry->cred,
194 int mode = entry->mask;
195 int status = -ENOMEM;
197 dprintk("NFS call access\n");
200 arg.access |= NFS3_ACCESS_READ;
201 if (S_ISDIR(inode->i_mode)) {
202 if (mode & MAY_WRITE)
203 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE;
205 arg.access |= NFS3_ACCESS_LOOKUP;
207 if (mode & MAY_WRITE)
208 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND;
210 arg.access |= NFS3_ACCESS_EXECUTE;
213 res.fattr = nfs_alloc_fattr();
214 if (res.fattr == NULL)
217 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
218 nfs_refresh_inode(inode, res.fattr);
221 if (res.access & NFS3_ACCESS_READ)
222 entry->mask |= MAY_READ;
223 if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE))
224 entry->mask |= MAY_WRITE;
225 if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
226 entry->mask |= MAY_EXEC;
228 nfs_free_fattr(res.fattr);
230 dprintk("NFS reply access: %d\n", status);
234 static int nfs3_proc_readlink(struct inode *inode, struct page *page,
235 unsigned int pgbase, unsigned int pglen)
237 struct nfs_fattr fattr;
238 struct nfs3_readlinkargs args = {
244 struct rpc_message msg = {
245 .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
251 dprintk("NFS call readlink\n");
252 nfs_fattr_init(&fattr);
253 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
254 nfs_refresh_inode(inode, &fattr);
255 dprintk("NFS reply readlink: %d\n", status);
259 struct nfs3_createdata {
260 struct rpc_message msg;
262 struct nfs3_createargs create;
263 struct nfs3_mkdirargs mkdir;
264 struct nfs3_symlinkargs symlink;
265 struct nfs3_mknodargs mknod;
267 struct nfs3_diropres res;
269 struct nfs_fattr fattr;
270 struct nfs_fattr dir_attr;
273 static struct nfs3_createdata *nfs3_alloc_createdata(void)
275 struct nfs3_createdata *data;
277 data = kzalloc(sizeof(*data), GFP_KERNEL);
279 data->msg.rpc_argp = &data->arg;
280 data->msg.rpc_resp = &data->res;
281 data->res.fh = &data->fh;
282 data->res.fattr = &data->fattr;
283 data->res.dir_attr = &data->dir_attr;
284 nfs_fattr_init(data->res.fattr);
285 nfs_fattr_init(data->res.dir_attr);
290 static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
294 status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);
295 nfs_post_op_update_inode(dir, data->res.dir_attr);
297 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
301 static void nfs3_free_createdata(struct nfs3_createdata *data)
307 * Create a regular file.
310 nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
311 int flags, struct nameidata *nd)
313 struct nfs3_createdata *data;
314 mode_t mode = sattr->ia_mode;
315 int status = -ENOMEM;
317 dprintk("NFS call create %s\n", dentry->d_name.name);
319 data = nfs3_alloc_createdata();
323 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
324 data->arg.create.fh = NFS_FH(dir);
325 data->arg.create.name = dentry->d_name.name;
326 data->arg.create.len = dentry->d_name.len;
327 data->arg.create.sattr = sattr;
329 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
330 if (flags & O_EXCL) {
331 data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
332 data->arg.create.verifier[0] = jiffies;
333 data->arg.create.verifier[1] = current->pid;
336 sattr->ia_mode &= ~current_umask();
339 status = nfs3_do_create(dir, dentry, data);
341 if (status != -ENOTSUPP)
343 /* If the server doesn't support the exclusive creation
344 * semantics, try again with simple 'guarded' mode. */
345 switch (data->arg.create.createmode) {
346 case NFS3_CREATE_EXCLUSIVE:
347 data->arg.create.createmode = NFS3_CREATE_GUARDED;
350 case NFS3_CREATE_GUARDED:
351 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
354 case NFS3_CREATE_UNCHECKED:
357 nfs_fattr_init(data->res.dir_attr);
358 nfs_fattr_init(data->res.fattr);
364 /* When we created the file with exclusive semantics, make
365 * sure we set the attributes afterwards. */
366 if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
367 dprintk("NFS call setattr (post-create)\n");
369 if (!(sattr->ia_valid & ATTR_ATIME_SET))
370 sattr->ia_valid |= ATTR_ATIME;
371 if (!(sattr->ia_valid & ATTR_MTIME_SET))
372 sattr->ia_valid |= ATTR_MTIME;
374 /* Note: we could use a guarded setattr here, but I'm
375 * not sure this buys us anything (and I'd have
376 * to revamp the NFSv3 XDR code) */
377 status = nfs3_proc_setattr(dentry, data->res.fattr, sattr);
378 nfs_post_op_update_inode(dentry->d_inode, data->res.fattr);
379 dprintk("NFS reply setattr (post-create): %d\n", status);
383 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
385 nfs3_free_createdata(data);
386 dprintk("NFS reply create: %d\n", status);
391 nfs3_proc_remove(struct inode *dir, struct qstr *name)
393 struct nfs_removeargs arg = {
395 .name.len = name->len,
396 .name.name = name->name,
398 struct nfs_removeres res;
399 struct rpc_message msg = {
400 .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
406 dprintk("NFS call remove %s\n", name->name);
407 nfs_fattr_init(&res.dir_attr);
408 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
409 nfs_post_op_update_inode(dir, &res.dir_attr);
410 dprintk("NFS reply remove: %d\n", status);
415 nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
417 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
421 nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
423 struct nfs_removeres *res;
424 if (nfs3_async_handle_jukebox(task, dir))
426 res = task->tk_msg.rpc_resp;
427 nfs_post_op_update_inode(dir, &res->dir_attr);
432 nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
433 struct inode *new_dir, struct qstr *new_name)
435 struct nfs3_renameargs arg = {
436 .fromfh = NFS_FH(old_dir),
437 .fromname = old_name->name,
438 .fromlen = old_name->len,
439 .tofh = NFS_FH(new_dir),
440 .toname = new_name->name,
441 .tolen = new_name->len
443 struct nfs3_renameres res;
444 struct rpc_message msg = {
445 .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
449 int status = -ENOMEM;
451 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
453 res.fromattr = nfs_alloc_fattr();
454 res.toattr = nfs_alloc_fattr();
455 if (res.fromattr == NULL || res.toattr == NULL)
458 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
459 nfs_post_op_update_inode(old_dir, res.fromattr);
460 nfs_post_op_update_inode(new_dir, res.toattr);
462 nfs_free_fattr(res.toattr);
463 nfs_free_fattr(res.fromattr);
464 dprintk("NFS reply rename: %d\n", status);
469 nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
471 struct nfs_fattr dir_attr, fattr;
472 struct nfs3_linkargs arg = {
473 .fromfh = NFS_FH(inode),
475 .toname = name->name,
478 struct nfs3_linkres res = {
479 .dir_attr = &dir_attr,
482 struct rpc_message msg = {
483 .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
489 dprintk("NFS call link %s\n", name->name);
490 nfs_fattr_init(&dir_attr);
491 nfs_fattr_init(&fattr);
492 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
493 nfs_post_op_update_inode(dir, &dir_attr);
494 nfs_post_op_update_inode(inode, &fattr);
495 dprintk("NFS reply link: %d\n", status);
500 nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
501 unsigned int len, struct iattr *sattr)
503 struct nfs3_createdata *data;
504 int status = -ENOMEM;
506 if (len > NFS3_MAXPATHLEN)
507 return -ENAMETOOLONG;
509 dprintk("NFS call symlink %s\n", dentry->d_name.name);
511 data = nfs3_alloc_createdata();
514 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
515 data->arg.symlink.fromfh = NFS_FH(dir);
516 data->arg.symlink.fromname = dentry->d_name.name;
517 data->arg.symlink.fromlen = dentry->d_name.len;
518 data->arg.symlink.pages = &page;
519 data->arg.symlink.pathlen = len;
520 data->arg.symlink.sattr = sattr;
522 status = nfs3_do_create(dir, dentry, data);
524 nfs3_free_createdata(data);
526 dprintk("NFS reply symlink: %d\n", status);
531 nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
533 struct nfs3_createdata *data;
534 int mode = sattr->ia_mode;
535 int status = -ENOMEM;
537 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
539 sattr->ia_mode &= ~current_umask();
541 data = nfs3_alloc_createdata();
545 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
546 data->arg.mkdir.fh = NFS_FH(dir);
547 data->arg.mkdir.name = dentry->d_name.name;
548 data->arg.mkdir.len = dentry->d_name.len;
549 data->arg.mkdir.sattr = sattr;
551 status = nfs3_do_create(dir, dentry, data);
555 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
557 nfs3_free_createdata(data);
558 dprintk("NFS reply mkdir: %d\n", status);
563 nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
565 struct nfs_fattr dir_attr;
566 struct nfs3_diropargs arg = {
571 struct rpc_message msg = {
572 .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
574 .rpc_resp = &dir_attr,
578 dprintk("NFS call rmdir %s\n", name->name);
579 nfs_fattr_init(&dir_attr);
580 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
581 nfs_post_op_update_inode(dir, &dir_attr);
582 dprintk("NFS reply rmdir: %d\n", status);
587 * The READDIR implementation is somewhat hackish - we pass the user buffer
588 * to the encode function, which installs it in the receive iovec.
589 * The decode function itself doesn't perform any decoding, it just makes
590 * sure the reply is syntactically correct.
592 * Also note that this implementation handles both plain readdir and
596 nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
597 u64 cookie, struct page *page, unsigned int count, int plus)
599 struct inode *dir = dentry->d_inode;
600 __be32 *verf = NFS_COOKIEVERF(dir);
601 struct nfs3_readdirargs arg = {
604 .verf = {verf[0], verf[1]},
609 struct nfs3_readdirres res = {
613 struct rpc_message msg = {
614 .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
619 int status = -ENOMEM;
622 msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
624 dprintk("NFS call readdir%s %d\n",
625 plus? "plus" : "", (unsigned int) cookie);
627 res.dir_attr = nfs_alloc_fattr();
628 if (res.dir_attr == NULL)
631 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
633 nfs_invalidate_atime(dir);
634 nfs_refresh_inode(dir, res.dir_attr);
636 nfs_free_fattr(res.dir_attr);
638 dprintk("NFS reply readdir: %d\n", status);
643 nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
646 struct nfs3_createdata *data;
647 mode_t mode = sattr->ia_mode;
648 int status = -ENOMEM;
650 dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name,
651 MAJOR(rdev), MINOR(rdev));
653 sattr->ia_mode &= ~current_umask();
655 data = nfs3_alloc_createdata();
659 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];
660 data->arg.mknod.fh = NFS_FH(dir);
661 data->arg.mknod.name = dentry->d_name.name;
662 data->arg.mknod.len = dentry->d_name.len;
663 data->arg.mknod.sattr = sattr;
664 data->arg.mknod.rdev = rdev;
666 switch (sattr->ia_mode & S_IFMT) {
668 data->arg.mknod.type = NF3BLK;
671 data->arg.mknod.type = NF3CHR;
674 data->arg.mknod.type = NF3FIFO;
677 data->arg.mknod.type = NF3SOCK;
684 status = nfs3_do_create(dir, dentry, data);
687 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
689 nfs3_free_createdata(data);
690 dprintk("NFS reply mknod: %d\n", status);
695 nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
696 struct nfs_fsstat *stat)
698 struct rpc_message msg = {
699 .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
705 dprintk("NFS call fsstat\n");
706 nfs_fattr_init(stat->fattr);
707 status = rpc_call_sync(server->client, &msg, 0);
708 dprintk("NFS reply statfs: %d\n", status);
713 do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
714 struct nfs_fsinfo *info)
716 struct rpc_message msg = {
717 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
723 dprintk("NFS call fsinfo\n");
724 nfs_fattr_init(info->fattr);
725 status = rpc_call_sync(client, &msg, 0);
726 dprintk("NFS reply fsinfo: %d\n", status);
731 * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
735 nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
736 struct nfs_fsinfo *info)
740 status = do_proc_fsinfo(server->client, fhandle, info);
741 if (status && server->nfs_client->cl_rpcclient != server->client)
742 status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
747 nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
748 struct nfs_pathconf *info)
750 struct rpc_message msg = {
751 .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
757 dprintk("NFS call pathconf\n");
758 nfs_fattr_init(info->fattr);
759 status = rpc_call_sync(server->client, &msg, 0);
760 dprintk("NFS reply pathconf: %d\n", status);
764 static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data)
766 if (nfs3_async_handle_jukebox(task, data->inode))
769 nfs_invalidate_atime(data->inode);
770 nfs_refresh_inode(data->inode, &data->fattr);
774 static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
776 msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
779 static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data)
781 if (nfs3_async_handle_jukebox(task, data->inode))
783 if (task->tk_status >= 0)
784 nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr);
788 static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
790 msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
793 static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)
795 if (nfs3_async_handle_jukebox(task, data->inode))
797 nfs_refresh_inode(data->inode, data->res.fattr);
801 static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
803 msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
807 nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
809 struct inode *inode = filp->f_path.dentry->d_inode;
811 return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
814 const struct nfs_rpc_ops nfs_v3_clientops = {
815 .version = 3, /* protocol version */
816 .dentry_ops = &nfs_dentry_operations,
817 .dir_inode_ops = &nfs3_dir_inode_operations,
818 .file_inode_ops = &nfs3_file_inode_operations,
819 .getroot = nfs3_proc_get_root,
820 .getattr = nfs3_proc_getattr,
821 .setattr = nfs3_proc_setattr,
822 .lookup = nfs3_proc_lookup,
823 .access = nfs3_proc_access,
824 .readlink = nfs3_proc_readlink,
825 .create = nfs3_proc_create,
826 .remove = nfs3_proc_remove,
827 .unlink_setup = nfs3_proc_unlink_setup,
828 .unlink_done = nfs3_proc_unlink_done,
829 .rename = nfs3_proc_rename,
830 .link = nfs3_proc_link,
831 .symlink = nfs3_proc_symlink,
832 .mkdir = nfs3_proc_mkdir,
833 .rmdir = nfs3_proc_rmdir,
834 .readdir = nfs3_proc_readdir,
835 .mknod = nfs3_proc_mknod,
836 .statfs = nfs3_proc_statfs,
837 .fsinfo = nfs3_proc_fsinfo,
838 .pathconf = nfs3_proc_pathconf,
839 .decode_dirent = nfs3_decode_dirent,
840 .read_setup = nfs3_proc_read_setup,
841 .read_done = nfs3_read_done,
842 .write_setup = nfs3_proc_write_setup,
843 .write_done = nfs3_write_done,
844 .commit_setup = nfs3_proc_commit_setup,
845 .commit_done = nfs3_commit_done,
846 .lock = nfs3_proc_lock,
847 .clear_acl_cache = nfs3_forget_cached_acls,
848 .close_context = nfs_close_context,