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/nfs.h>
14 #include <linux/nfs3.h>
15 #include <linux/nfs_fs.h>
16 #include <linux/nfs_page.h>
17 #include <linux/lockd/bind.h>
18 #include <linux/nfs_mount.h>
23 #define NFSDBG_FACILITY NFSDBG_PROC
25 /* A wrapper to handle the EJUKEBOX and EKEYEXPIRED error messages */
27 nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
31 res = rpc_call_sync(clnt, msg, flags);
32 if (res != -EJUKEBOX && res != -EKEYEXPIRED)
34 schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
36 } while (!fatal_signal_pending(current));
40 #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags)
43 nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
45 if (task->tk_status != -EJUKEBOX && task->tk_status != -EKEYEXPIRED)
47 if (task->tk_status == -EJUKEBOX)
48 nfs_inc_stats(inode, NFSIOS_DELAY);
50 rpc_restart_call(task);
51 rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
56 do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
57 struct nfs_fsinfo *info)
59 struct rpc_message msg = {
60 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
66 dprintk("%s: call fsinfo\n", __func__);
67 nfs_fattr_init(info->fattr);
68 status = rpc_call_sync(client, &msg, 0);
69 dprintk("%s: reply fsinfo: %d\n", __func__, status);
70 if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
71 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
72 msg.rpc_resp = info->fattr;
73 status = rpc_call_sync(client, &msg, 0);
74 dprintk("%s: reply getattr: %d\n", __func__, status);
80 * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb
83 nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
84 struct nfs_fsinfo *info)
88 status = do_proc_get_root(server->client, fhandle, info);
89 if (status && server->nfs_client->cl_rpcclient != server->client)
90 status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info);
95 * One function for each procedure in the NFS protocol.
98 nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
99 struct nfs_fattr *fattr)
101 struct rpc_message msg = {
102 .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR],
108 dprintk("NFS call getattr\n");
109 nfs_fattr_init(fattr);
110 status = rpc_call_sync(server->client, &msg, 0);
111 dprintk("NFS reply getattr: %d\n", status);
116 nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
119 struct inode *inode = dentry->d_inode;
120 struct nfs3_sattrargs arg = {
124 struct rpc_message msg = {
125 .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR],
131 dprintk("NFS call setattr\n");
132 if (sattr->ia_valid & ATTR_FILE)
133 msg.rpc_cred = nfs_file_cred(sattr->ia_file);
134 nfs_fattr_init(fattr);
135 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
137 nfs_setattr_update_inode(inode, sattr);
138 dprintk("NFS reply setattr: %d\n", status);
143 nfs3_proc_lookup(struct inode *dir, struct qstr *name,
144 struct nfs_fh *fhandle, struct nfs_fattr *fattr)
146 struct nfs_fattr dir_attr;
147 struct nfs3_diropargs arg = {
152 struct nfs3_diropres res = {
153 .dir_attr = &dir_attr,
157 struct rpc_message msg = {
158 .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
164 dprintk("NFS call lookup %s\n", name->name);
165 nfs_fattr_init(&dir_attr);
166 nfs_fattr_init(fattr);
167 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
168 nfs_refresh_inode(dir, &dir_attr);
169 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
170 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
171 msg.rpc_argp = fhandle;
172 msg.rpc_resp = fattr;
173 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
175 dprintk("NFS reply lookup: %d\n", status);
179 static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
181 struct nfs_fattr fattr;
182 struct nfs3_accessargs arg = {
185 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;
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;
212 nfs_fattr_init(&fattr);
213 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
214 nfs_refresh_inode(inode, &fattr);
217 if (res.access & NFS3_ACCESS_READ)
218 entry->mask |= MAY_READ;
219 if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE))
220 entry->mask |= MAY_WRITE;
221 if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
222 entry->mask |= MAY_EXEC;
224 dprintk("NFS reply access: %d\n", status);
228 static int nfs3_proc_readlink(struct inode *inode, struct page *page,
229 unsigned int pgbase, unsigned int pglen)
231 struct nfs_fattr fattr;
232 struct nfs3_readlinkargs args = {
238 struct rpc_message msg = {
239 .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
245 dprintk("NFS call readlink\n");
246 nfs_fattr_init(&fattr);
247 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
248 nfs_refresh_inode(inode, &fattr);
249 dprintk("NFS reply readlink: %d\n", status);
253 struct nfs3_createdata {
254 struct rpc_message msg;
256 struct nfs3_createargs create;
257 struct nfs3_mkdirargs mkdir;
258 struct nfs3_symlinkargs symlink;
259 struct nfs3_mknodargs mknod;
261 struct nfs3_diropres res;
263 struct nfs_fattr fattr;
264 struct nfs_fattr dir_attr;
267 static struct nfs3_createdata *nfs3_alloc_createdata(void)
269 struct nfs3_createdata *data;
271 data = kzalloc(sizeof(*data), GFP_KERNEL);
273 data->msg.rpc_argp = &data->arg;
274 data->msg.rpc_resp = &data->res;
275 data->res.fh = &data->fh;
276 data->res.fattr = &data->fattr;
277 data->res.dir_attr = &data->dir_attr;
278 nfs_fattr_init(data->res.fattr);
279 nfs_fattr_init(data->res.dir_attr);
284 static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
288 status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);
289 nfs_post_op_update_inode(dir, data->res.dir_attr);
291 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
295 static void nfs3_free_createdata(struct nfs3_createdata *data)
301 * Create a regular file.
304 nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
305 int flags, struct nameidata *nd)
307 struct nfs3_createdata *data;
308 mode_t mode = sattr->ia_mode;
309 int status = -ENOMEM;
311 dprintk("NFS call create %s\n", dentry->d_name.name);
313 data = nfs3_alloc_createdata();
317 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
318 data->arg.create.fh = NFS_FH(dir);
319 data->arg.create.name = dentry->d_name.name;
320 data->arg.create.len = dentry->d_name.len;
321 data->arg.create.sattr = sattr;
323 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
324 if (flags & O_EXCL) {
325 data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
326 data->arg.create.verifier[0] = jiffies;
327 data->arg.create.verifier[1] = current->pid;
330 sattr->ia_mode &= ~current_umask();
333 status = nfs3_do_create(dir, dentry, data);
335 if (status != -ENOTSUPP)
337 /* If the server doesn't support the exclusive creation
338 * semantics, try again with simple 'guarded' mode. */
339 switch (data->arg.create.createmode) {
340 case NFS3_CREATE_EXCLUSIVE:
341 data->arg.create.createmode = NFS3_CREATE_GUARDED;
344 case NFS3_CREATE_GUARDED:
345 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
348 case NFS3_CREATE_UNCHECKED:
351 nfs_fattr_init(data->res.dir_attr);
352 nfs_fattr_init(data->res.fattr);
358 /* When we created the file with exclusive semantics, make
359 * sure we set the attributes afterwards. */
360 if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
361 dprintk("NFS call setattr (post-create)\n");
363 if (!(sattr->ia_valid & ATTR_ATIME_SET))
364 sattr->ia_valid |= ATTR_ATIME;
365 if (!(sattr->ia_valid & ATTR_MTIME_SET))
366 sattr->ia_valid |= ATTR_MTIME;
368 /* Note: we could use a guarded setattr here, but I'm
369 * not sure this buys us anything (and I'd have
370 * to revamp the NFSv3 XDR code) */
371 status = nfs3_proc_setattr(dentry, data->res.fattr, sattr);
372 nfs_post_op_update_inode(dentry->d_inode, data->res.fattr);
373 dprintk("NFS reply setattr (post-create): %d\n", status);
377 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
379 nfs3_free_createdata(data);
380 dprintk("NFS reply create: %d\n", status);
385 nfs3_proc_remove(struct inode *dir, struct qstr *name)
387 struct nfs_removeargs arg = {
389 .name.len = name->len,
390 .name.name = name->name,
392 struct nfs_removeres res;
393 struct rpc_message msg = {
394 .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
400 dprintk("NFS call remove %s\n", name->name);
401 nfs_fattr_init(&res.dir_attr);
402 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
403 nfs_post_op_update_inode(dir, &res.dir_attr);
404 dprintk("NFS reply remove: %d\n", status);
409 nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
411 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
415 nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
417 struct nfs_removeres *res;
418 if (nfs3_async_handle_jukebox(task, dir))
420 res = task->tk_msg.rpc_resp;
421 nfs_post_op_update_inode(dir, &res->dir_attr);
426 nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
427 struct inode *new_dir, struct qstr *new_name)
429 struct nfs_fattr old_dir_attr, new_dir_attr;
430 struct nfs3_renameargs arg = {
431 .fromfh = NFS_FH(old_dir),
432 .fromname = old_name->name,
433 .fromlen = old_name->len,
434 .tofh = NFS_FH(new_dir),
435 .toname = new_name->name,
436 .tolen = new_name->len
438 struct nfs3_renameres res = {
439 .fromattr = &old_dir_attr,
440 .toattr = &new_dir_attr
442 struct rpc_message msg = {
443 .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
449 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
450 nfs_fattr_init(&old_dir_attr);
451 nfs_fattr_init(&new_dir_attr);
452 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
453 nfs_post_op_update_inode(old_dir, &old_dir_attr);
454 nfs_post_op_update_inode(new_dir, &new_dir_attr);
455 dprintk("NFS reply rename: %d\n", status);
460 nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
462 struct nfs_fattr dir_attr, fattr;
463 struct nfs3_linkargs arg = {
464 .fromfh = NFS_FH(inode),
466 .toname = name->name,
469 struct nfs3_linkres res = {
470 .dir_attr = &dir_attr,
473 struct rpc_message msg = {
474 .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
480 dprintk("NFS call link %s\n", name->name);
481 nfs_fattr_init(&dir_attr);
482 nfs_fattr_init(&fattr);
483 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
484 nfs_post_op_update_inode(dir, &dir_attr);
485 nfs_post_op_update_inode(inode, &fattr);
486 dprintk("NFS reply link: %d\n", status);
491 nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
492 unsigned int len, struct iattr *sattr)
494 struct nfs3_createdata *data;
495 int status = -ENOMEM;
497 if (len > NFS3_MAXPATHLEN)
498 return -ENAMETOOLONG;
500 dprintk("NFS call symlink %s\n", dentry->d_name.name);
502 data = nfs3_alloc_createdata();
505 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
506 data->arg.symlink.fromfh = NFS_FH(dir);
507 data->arg.symlink.fromname = dentry->d_name.name;
508 data->arg.symlink.fromlen = dentry->d_name.len;
509 data->arg.symlink.pages = &page;
510 data->arg.symlink.pathlen = len;
511 data->arg.symlink.sattr = sattr;
513 status = nfs3_do_create(dir, dentry, data);
515 nfs3_free_createdata(data);
517 dprintk("NFS reply symlink: %d\n", status);
522 nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
524 struct nfs3_createdata *data;
525 int mode = sattr->ia_mode;
526 int status = -ENOMEM;
528 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
530 sattr->ia_mode &= ~current_umask();
532 data = nfs3_alloc_createdata();
536 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
537 data->arg.mkdir.fh = NFS_FH(dir);
538 data->arg.mkdir.name = dentry->d_name.name;
539 data->arg.mkdir.len = dentry->d_name.len;
540 data->arg.mkdir.sattr = sattr;
542 status = nfs3_do_create(dir, dentry, data);
546 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
548 nfs3_free_createdata(data);
549 dprintk("NFS reply mkdir: %d\n", status);
554 nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
556 struct nfs_fattr dir_attr;
557 struct nfs3_diropargs arg = {
562 struct rpc_message msg = {
563 .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
565 .rpc_resp = &dir_attr,
569 dprintk("NFS call rmdir %s\n", name->name);
570 nfs_fattr_init(&dir_attr);
571 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
572 nfs_post_op_update_inode(dir, &dir_attr);
573 dprintk("NFS reply rmdir: %d\n", status);
578 * The READDIR implementation is somewhat hackish - we pass the user buffer
579 * to the encode function, which installs it in the receive iovec.
580 * The decode function itself doesn't perform any decoding, it just makes
581 * sure the reply is syntactically correct.
583 * Also note that this implementation handles both plain readdir and
587 nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
588 u64 cookie, struct page *page, unsigned int count, int plus)
590 struct inode *dir = dentry->d_inode;
591 struct nfs_fattr dir_attr;
592 __be32 *verf = NFS_COOKIEVERF(dir);
593 struct nfs3_readdirargs arg = {
596 .verf = {verf[0], verf[1]},
601 struct nfs3_readdirres res = {
602 .dir_attr = &dir_attr,
606 struct rpc_message msg = {
607 .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
615 msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
617 dprintk("NFS call readdir%s %d\n",
618 plus? "plus" : "", (unsigned int) cookie);
620 nfs_fattr_init(&dir_attr);
621 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
623 nfs_invalidate_atime(dir);
625 nfs_refresh_inode(dir, &dir_attr);
626 dprintk("NFS reply readdir: %d\n", status);
631 nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
634 struct nfs3_createdata *data;
635 mode_t mode = sattr->ia_mode;
636 int status = -ENOMEM;
638 dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name,
639 MAJOR(rdev), MINOR(rdev));
641 sattr->ia_mode &= ~current_umask();
643 data = nfs3_alloc_createdata();
647 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];
648 data->arg.mknod.fh = NFS_FH(dir);
649 data->arg.mknod.name = dentry->d_name.name;
650 data->arg.mknod.len = dentry->d_name.len;
651 data->arg.mknod.sattr = sattr;
652 data->arg.mknod.rdev = rdev;
654 switch (sattr->ia_mode & S_IFMT) {
656 data->arg.mknod.type = NF3BLK;
659 data->arg.mknod.type = NF3CHR;
662 data->arg.mknod.type = NF3FIFO;
665 data->arg.mknod.type = NF3SOCK;
672 status = nfs3_do_create(dir, dentry, data);
675 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
677 nfs3_free_createdata(data);
678 dprintk("NFS reply mknod: %d\n", status);
683 nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
684 struct nfs_fsstat *stat)
686 struct rpc_message msg = {
687 .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
693 dprintk("NFS call fsstat\n");
694 nfs_fattr_init(stat->fattr);
695 status = rpc_call_sync(server->client, &msg, 0);
696 dprintk("NFS reply statfs: %d\n", status);
701 do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
702 struct nfs_fsinfo *info)
704 struct rpc_message msg = {
705 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
711 dprintk("NFS call fsinfo\n");
712 nfs_fattr_init(info->fattr);
713 status = rpc_call_sync(client, &msg, 0);
714 dprintk("NFS reply fsinfo: %d\n", status);
719 * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
723 nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
724 struct nfs_fsinfo *info)
728 status = do_proc_fsinfo(server->client, fhandle, info);
729 if (status && server->nfs_client->cl_rpcclient != server->client)
730 status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
735 nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
736 struct nfs_pathconf *info)
738 struct rpc_message msg = {
739 .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
745 dprintk("NFS call pathconf\n");
746 nfs_fattr_init(info->fattr);
747 status = rpc_call_sync(server->client, &msg, 0);
748 dprintk("NFS reply pathconf: %d\n", status);
752 static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data)
754 if (nfs3_async_handle_jukebox(task, data->inode))
757 nfs_invalidate_atime(data->inode);
758 nfs_refresh_inode(data->inode, &data->fattr);
762 static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
764 msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
767 static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data)
769 if (nfs3_async_handle_jukebox(task, data->inode))
771 if (task->tk_status >= 0)
772 nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr);
776 static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
778 msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
781 static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)
783 if (nfs3_async_handle_jukebox(task, data->inode))
785 nfs_refresh_inode(data->inode, data->res.fattr);
789 static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
791 msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
795 nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
797 struct inode *inode = filp->f_path.dentry->d_inode;
799 return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
802 const struct nfs_rpc_ops nfs_v3_clientops = {
803 .version = 3, /* protocol version */
804 .dentry_ops = &nfs_dentry_operations,
805 .dir_inode_ops = &nfs3_dir_inode_operations,
806 .file_inode_ops = &nfs3_file_inode_operations,
807 .getroot = nfs3_proc_get_root,
808 .getattr = nfs3_proc_getattr,
809 .setattr = nfs3_proc_setattr,
810 .lookup = nfs3_proc_lookup,
811 .access = nfs3_proc_access,
812 .readlink = nfs3_proc_readlink,
813 .create = nfs3_proc_create,
814 .remove = nfs3_proc_remove,
815 .unlink_setup = nfs3_proc_unlink_setup,
816 .unlink_done = nfs3_proc_unlink_done,
817 .rename = nfs3_proc_rename,
818 .link = nfs3_proc_link,
819 .symlink = nfs3_proc_symlink,
820 .mkdir = nfs3_proc_mkdir,
821 .rmdir = nfs3_proc_rmdir,
822 .readdir = nfs3_proc_readdir,
823 .mknod = nfs3_proc_mknod,
824 .statfs = nfs3_proc_statfs,
825 .fsinfo = nfs3_proc_fsinfo,
826 .pathconf = nfs3_proc_pathconf,
827 .decode_dirent = nfs3_decode_dirent,
828 .read_setup = nfs3_proc_read_setup,
829 .read_done = nfs3_read_done,
830 .write_setup = nfs3_proc_write_setup,
831 .write_done = nfs3_write_done,
832 .commit_setup = nfs3_proc_commit_setup,
833 .commit_done = nfs3_commit_done,
834 .lock = nfs3_proc_lock,
835 .clear_acl_cache = nfs3_forget_cached_acls,
836 .close_context = nfs_close_context,