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>
20 #include <linux/freezer.h>
21 #include <linux/xattr.h>
26 #define NFSDBG_FACILITY NFSDBG_PROC
28 /* A wrapper to handle the EJUKEBOX error messages */
30 nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
34 res = rpc_call_sync(clnt, msg, flags);
37 freezable_schedule_timeout_killable_unsafe(NFS_JUKEBOX_RETRY_TIME);
39 } while (!fatal_signal_pending(current));
43 #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags)
46 nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
48 if (task->tk_status != -EJUKEBOX)
50 if (task->tk_status == -EJUKEBOX)
51 nfs_inc_stats(inode, NFSIOS_DELAY);
53 rpc_restart_call(task);
54 rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
59 do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
60 struct nfs_fsinfo *info)
62 struct rpc_message msg = {
63 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
69 dprintk("%s: call fsinfo\n", __func__);
70 nfs_fattr_init(info->fattr);
71 status = rpc_call_sync(client, &msg, 0);
72 dprintk("%s: reply fsinfo: %d\n", __func__, status);
73 if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) {
74 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
75 msg.rpc_resp = info->fattr;
76 status = rpc_call_sync(client, &msg, 0);
77 dprintk("%s: reply getattr: %d\n", __func__, status);
83 * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb
86 nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
87 struct nfs_fsinfo *info)
91 status = do_proc_get_root(server->client, fhandle, info);
92 if (status && server->nfs_client->cl_rpcclient != server->client)
93 status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info);
98 * One function for each procedure in the NFS protocol.
101 nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
102 struct nfs_fattr *fattr, struct nfs4_label *label)
104 struct rpc_message msg = {
105 .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR],
111 dprintk("NFS call getattr\n");
112 nfs_fattr_init(fattr);
113 status = rpc_call_sync(server->client, &msg, 0);
114 dprintk("NFS reply getattr: %d\n", status);
119 nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
122 struct inode *inode = dentry->d_inode;
123 struct nfs3_sattrargs arg = {
127 struct rpc_message msg = {
128 .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR],
134 dprintk("NFS call setattr\n");
135 if (sattr->ia_valid & ATTR_FILE)
136 msg.rpc_cred = nfs_file_cred(sattr->ia_file);
137 nfs_fattr_init(fattr);
138 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
140 nfs_setattr_update_inode(inode, sattr);
141 dprintk("NFS reply setattr: %d\n", status);
146 nfs3_proc_lookup(struct inode *dir, struct qstr *name,
147 struct nfs_fh *fhandle, struct nfs_fattr *fattr,
148 struct nfs4_label *label)
150 struct nfs3_diropargs arg = {
155 struct nfs3_diropres res = {
159 struct rpc_message msg = {
160 .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
166 dprintk("NFS call lookup %s\n", name->name);
167 res.dir_attr = nfs_alloc_fattr();
168 if (res.dir_attr == NULL)
171 nfs_fattr_init(fattr);
172 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
173 nfs_refresh_inode(dir, res.dir_attr);
174 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
175 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
176 msg.rpc_argp = fhandle;
177 msg.rpc_resp = fattr;
178 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
180 nfs_free_fattr(res.dir_attr);
181 dprintk("NFS reply lookup: %d\n", status);
185 static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
187 struct nfs3_accessargs arg = {
190 struct nfs3_accessres res;
191 struct rpc_message msg = {
192 .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
195 .rpc_cred = entry->cred,
197 int mode = entry->mask;
198 int status = -ENOMEM;
200 dprintk("NFS call access\n");
203 arg.access |= NFS3_ACCESS_READ;
204 if (S_ISDIR(inode->i_mode)) {
205 if (mode & MAY_WRITE)
206 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE;
208 arg.access |= NFS3_ACCESS_LOOKUP;
210 if (mode & MAY_WRITE)
211 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND;
213 arg.access |= NFS3_ACCESS_EXECUTE;
216 res.fattr = nfs_alloc_fattr();
217 if (res.fattr == NULL)
220 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
221 nfs_refresh_inode(inode, res.fattr);
224 if (res.access & NFS3_ACCESS_READ)
225 entry->mask |= MAY_READ;
226 if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE))
227 entry->mask |= MAY_WRITE;
228 if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
229 entry->mask |= MAY_EXEC;
231 nfs_free_fattr(res.fattr);
233 dprintk("NFS reply access: %d\n", status);
237 static int nfs3_proc_readlink(struct inode *inode, struct page *page,
238 unsigned int pgbase, unsigned int pglen)
240 struct nfs_fattr *fattr;
241 struct nfs3_readlinkargs args = {
247 struct rpc_message msg = {
248 .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
251 int status = -ENOMEM;
253 dprintk("NFS call readlink\n");
254 fattr = nfs_alloc_fattr();
257 msg.rpc_resp = fattr;
259 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
260 nfs_refresh_inode(inode, fattr);
261 nfs_free_fattr(fattr);
263 dprintk("NFS reply readlink: %d\n", status);
267 struct nfs3_createdata {
268 struct rpc_message msg;
270 struct nfs3_createargs create;
271 struct nfs3_mkdirargs mkdir;
272 struct nfs3_symlinkargs symlink;
273 struct nfs3_mknodargs mknod;
275 struct nfs3_diropres res;
277 struct nfs_fattr fattr;
278 struct nfs_fattr dir_attr;
281 static struct nfs3_createdata *nfs3_alloc_createdata(void)
283 struct nfs3_createdata *data;
285 data = kzalloc(sizeof(*data), GFP_KERNEL);
287 data->msg.rpc_argp = &data->arg;
288 data->msg.rpc_resp = &data->res;
289 data->res.fh = &data->fh;
290 data->res.fattr = &data->fattr;
291 data->res.dir_attr = &data->dir_attr;
292 nfs_fattr_init(data->res.fattr);
293 nfs_fattr_init(data->res.dir_attr);
298 static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
302 status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);
303 nfs_post_op_update_inode(dir, data->res.dir_attr);
305 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL);
309 static void nfs3_free_createdata(struct nfs3_createdata *data)
315 * Create a regular file.
318 nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
321 struct posix_acl *default_acl, *acl;
322 struct nfs3_createdata *data;
323 int status = -ENOMEM;
325 dprintk("NFS call create %pd\n", dentry);
327 data = nfs3_alloc_createdata();
331 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
332 data->arg.create.fh = NFS_FH(dir);
333 data->arg.create.name = dentry->d_name.name;
334 data->arg.create.len = dentry->d_name.len;
335 data->arg.create.sattr = sattr;
337 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
338 if (flags & O_EXCL) {
339 data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
340 data->arg.create.verifier[0] = cpu_to_be32(jiffies);
341 data->arg.create.verifier[1] = cpu_to_be32(current->pid);
344 status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
349 status = nfs3_do_create(dir, dentry, data);
351 if (status != -ENOTSUPP)
353 /* If the server doesn't support the exclusive creation
354 * semantics, try again with simple 'guarded' mode. */
355 switch (data->arg.create.createmode) {
356 case NFS3_CREATE_EXCLUSIVE:
357 data->arg.create.createmode = NFS3_CREATE_GUARDED;
360 case NFS3_CREATE_GUARDED:
361 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
364 case NFS3_CREATE_UNCHECKED:
367 nfs_fattr_init(data->res.dir_attr);
368 nfs_fattr_init(data->res.fattr);
372 goto out_release_acls;
374 /* When we created the file with exclusive semantics, make
375 * sure we set the attributes afterwards. */
376 if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
377 dprintk("NFS call setattr (post-create)\n");
379 if (!(sattr->ia_valid & ATTR_ATIME_SET))
380 sattr->ia_valid |= ATTR_ATIME;
381 if (!(sattr->ia_valid & ATTR_MTIME_SET))
382 sattr->ia_valid |= ATTR_MTIME;
384 /* Note: we could use a guarded setattr here, but I'm
385 * not sure this buys us anything (and I'd have
386 * to revamp the NFSv3 XDR code) */
387 status = nfs3_proc_setattr(dentry, data->res.fattr, sattr);
388 nfs_post_op_update_inode(dentry->d_inode, data->res.fattr);
389 dprintk("NFS reply setattr (post-create): %d\n", status);
391 goto out_release_acls;
394 status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl);
397 posix_acl_release(acl);
398 posix_acl_release(default_acl);
400 nfs3_free_createdata(data);
401 dprintk("NFS reply create: %d\n", status);
406 nfs3_proc_remove(struct inode *dir, struct qstr *name)
408 struct nfs_removeargs arg = {
412 struct nfs_removeres res;
413 struct rpc_message msg = {
414 .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
418 int status = -ENOMEM;
420 dprintk("NFS call remove %s\n", name->name);
421 res.dir_attr = nfs_alloc_fattr();
422 if (res.dir_attr == NULL)
425 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
426 nfs_post_op_update_inode(dir, res.dir_attr);
427 nfs_free_fattr(res.dir_attr);
429 dprintk("NFS reply remove: %d\n", status);
434 nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
436 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
439 static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data)
441 rpc_call_start(task);
445 nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
447 struct nfs_removeres *res;
448 if (nfs3_async_handle_jukebox(task, dir))
450 res = task->tk_msg.rpc_resp;
451 nfs_post_op_update_inode(dir, res->dir_attr);
456 nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir)
458 msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME];
461 static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data)
463 rpc_call_start(task);
467 nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
468 struct inode *new_dir)
470 struct nfs_renameres *res;
472 if (nfs3_async_handle_jukebox(task, old_dir))
474 res = task->tk_msg.rpc_resp;
476 nfs_post_op_update_inode(old_dir, res->old_fattr);
477 nfs_post_op_update_inode(new_dir, res->new_fattr);
482 nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
483 struct inode *new_dir, struct qstr *new_name)
485 struct nfs_renameargs arg = {
486 .old_dir = NFS_FH(old_dir),
487 .old_name = old_name,
488 .new_dir = NFS_FH(new_dir),
489 .new_name = new_name,
491 struct nfs_renameres res;
492 struct rpc_message msg = {
493 .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
497 int status = -ENOMEM;
499 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
501 res.old_fattr = nfs_alloc_fattr();
502 res.new_fattr = nfs_alloc_fattr();
503 if (res.old_fattr == NULL || res.new_fattr == NULL)
506 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
507 nfs_post_op_update_inode(old_dir, res.old_fattr);
508 nfs_post_op_update_inode(new_dir, res.new_fattr);
510 nfs_free_fattr(res.old_fattr);
511 nfs_free_fattr(res.new_fattr);
512 dprintk("NFS reply rename: %d\n", status);
517 nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
519 struct nfs3_linkargs arg = {
520 .fromfh = NFS_FH(inode),
522 .toname = name->name,
525 struct nfs3_linkres res;
526 struct rpc_message msg = {
527 .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
531 int status = -ENOMEM;
533 dprintk("NFS call link %s\n", name->name);
534 res.fattr = nfs_alloc_fattr();
535 res.dir_attr = nfs_alloc_fattr();
536 if (res.fattr == NULL || res.dir_attr == NULL)
539 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
540 nfs_post_op_update_inode(dir, res.dir_attr);
541 nfs_post_op_update_inode(inode, res.fattr);
543 nfs_free_fattr(res.dir_attr);
544 nfs_free_fattr(res.fattr);
545 dprintk("NFS reply link: %d\n", status);
550 nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
551 unsigned int len, struct iattr *sattr)
553 struct nfs3_createdata *data;
554 int status = -ENOMEM;
556 if (len > NFS3_MAXPATHLEN)
557 return -ENAMETOOLONG;
559 dprintk("NFS call symlink %pd\n", dentry);
561 data = nfs3_alloc_createdata();
564 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
565 data->arg.symlink.fromfh = NFS_FH(dir);
566 data->arg.symlink.fromname = dentry->d_name.name;
567 data->arg.symlink.fromlen = dentry->d_name.len;
568 data->arg.symlink.pages = &page;
569 data->arg.symlink.pathlen = len;
570 data->arg.symlink.sattr = sattr;
572 status = nfs3_do_create(dir, dentry, data);
574 nfs3_free_createdata(data);
576 dprintk("NFS reply symlink: %d\n", status);
581 nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
583 struct posix_acl *default_acl, *acl;
584 struct nfs3_createdata *data;
585 int status = -ENOMEM;
587 dprintk("NFS call mkdir %pd\n", dentry);
589 data = nfs3_alloc_createdata();
593 status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
597 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
598 data->arg.mkdir.fh = NFS_FH(dir);
599 data->arg.mkdir.name = dentry->d_name.name;
600 data->arg.mkdir.len = dentry->d_name.len;
601 data->arg.mkdir.sattr = sattr;
603 status = nfs3_do_create(dir, dentry, data);
605 goto out_release_acls;
607 status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl);
610 posix_acl_release(acl);
611 posix_acl_release(default_acl);
613 nfs3_free_createdata(data);
614 dprintk("NFS reply mkdir: %d\n", status);
619 nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
621 struct nfs_fattr *dir_attr;
622 struct nfs3_diropargs arg = {
627 struct rpc_message msg = {
628 .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
631 int status = -ENOMEM;
633 dprintk("NFS call rmdir %s\n", name->name);
634 dir_attr = nfs_alloc_fattr();
635 if (dir_attr == NULL)
638 msg.rpc_resp = dir_attr;
639 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
640 nfs_post_op_update_inode(dir, dir_attr);
641 nfs_free_fattr(dir_attr);
643 dprintk("NFS reply rmdir: %d\n", status);
648 * The READDIR implementation is somewhat hackish - we pass the user buffer
649 * to the encode function, which installs it in the receive iovec.
650 * The decode function itself doesn't perform any decoding, it just makes
651 * sure the reply is syntactically correct.
653 * Also note that this implementation handles both plain readdir and
657 nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
658 u64 cookie, struct page **pages, unsigned int count, int plus)
660 struct inode *dir = dentry->d_inode;
661 __be32 *verf = NFS_I(dir)->cookieverf;
662 struct nfs3_readdirargs arg = {
665 .verf = {verf[0], verf[1]},
670 struct nfs3_readdirres res = {
674 struct rpc_message msg = {
675 .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
680 int status = -ENOMEM;
683 msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
685 dprintk("NFS call readdir%s %d\n",
686 plus? "plus" : "", (unsigned int) cookie);
688 res.dir_attr = nfs_alloc_fattr();
689 if (res.dir_attr == NULL)
692 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
694 nfs_invalidate_atime(dir);
695 nfs_refresh_inode(dir, res.dir_attr);
697 nfs_free_fattr(res.dir_attr);
699 dprintk("NFS reply readdir%s: %d\n",
700 plus? "plus" : "", status);
705 nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
708 struct posix_acl *default_acl, *acl;
709 struct nfs3_createdata *data;
710 int status = -ENOMEM;
712 dprintk("NFS call mknod %pd %u:%u\n", dentry,
713 MAJOR(rdev), MINOR(rdev));
715 data = nfs3_alloc_createdata();
719 status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl);
723 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];
724 data->arg.mknod.fh = NFS_FH(dir);
725 data->arg.mknod.name = dentry->d_name.name;
726 data->arg.mknod.len = dentry->d_name.len;
727 data->arg.mknod.sattr = sattr;
728 data->arg.mknod.rdev = rdev;
730 switch (sattr->ia_mode & S_IFMT) {
732 data->arg.mknod.type = NF3BLK;
735 data->arg.mknod.type = NF3CHR;
738 data->arg.mknod.type = NF3FIFO;
741 data->arg.mknod.type = NF3SOCK;
748 status = nfs3_do_create(dir, dentry, data);
750 goto out_release_acls;
752 status = nfs3_proc_setacls(dentry->d_inode, acl, default_acl);
755 posix_acl_release(acl);
756 posix_acl_release(default_acl);
758 nfs3_free_createdata(data);
759 dprintk("NFS reply mknod: %d\n", status);
764 nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
765 struct nfs_fsstat *stat)
767 struct rpc_message msg = {
768 .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
774 dprintk("NFS call fsstat\n");
775 nfs_fattr_init(stat->fattr);
776 status = rpc_call_sync(server->client, &msg, 0);
777 dprintk("NFS reply fsstat: %d\n", status);
782 do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
783 struct nfs_fsinfo *info)
785 struct rpc_message msg = {
786 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
792 dprintk("NFS call fsinfo\n");
793 nfs_fattr_init(info->fattr);
794 status = rpc_call_sync(client, &msg, 0);
795 dprintk("NFS reply fsinfo: %d\n", status);
800 * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
804 nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
805 struct nfs_fsinfo *info)
809 status = do_proc_fsinfo(server->client, fhandle, info);
810 if (status && server->nfs_client->cl_rpcclient != server->client)
811 status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
816 nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
817 struct nfs_pathconf *info)
819 struct rpc_message msg = {
820 .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
826 dprintk("NFS call pathconf\n");
827 nfs_fattr_init(info->fattr);
828 status = rpc_call_sync(server->client, &msg, 0);
829 dprintk("NFS reply pathconf: %d\n", status);
833 static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data)
835 struct inode *inode = data->header->inode;
837 if (nfs3_async_handle_jukebox(task, inode))
840 nfs_invalidate_atime(inode);
841 nfs_refresh_inode(inode, &data->fattr);
845 static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
847 msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
850 static int nfs3_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data)
852 rpc_call_start(task);
856 static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data)
858 struct inode *inode = data->header->inode;
860 if (nfs3_async_handle_jukebox(task, inode))
862 if (task->tk_status >= 0)
863 nfs_post_op_update_inode_force_wcc(inode, data->res.fattr);
867 static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
869 msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
872 static int nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data)
874 rpc_call_start(task);
878 static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
880 rpc_call_start(task);
883 static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data)
885 if (nfs3_async_handle_jukebox(task, data->inode))
887 nfs_refresh_inode(data->inode, data->res.fattr);
891 static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
893 msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
897 nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
899 struct inode *inode = file_inode(filp);
901 return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
904 static int nfs3_have_delegation(struct inode *inode, fmode_t flags)
909 static int nfs3_return_delegation(struct inode *inode)
915 static const struct inode_operations nfs3_dir_inode_operations = {
916 .create = nfs_create,
917 .lookup = nfs_lookup,
919 .unlink = nfs_unlink,
920 .symlink = nfs_symlink,
924 .rename = nfs_rename,
925 .permission = nfs_permission,
926 .getattr = nfs_getattr,
927 .setattr = nfs_setattr,
928 #ifdef CONFIG_NFS_V3_ACL
929 .listxattr = generic_listxattr,
930 .getxattr = generic_getxattr,
931 .setxattr = generic_setxattr,
932 .removexattr = generic_removexattr,
933 .get_acl = nfs3_get_acl,
934 .set_acl = nfs3_set_acl,
938 static const struct inode_operations nfs3_file_inode_operations = {
939 .permission = nfs_permission,
940 .getattr = nfs_getattr,
941 .setattr = nfs_setattr,
942 #ifdef CONFIG_NFS_V3_ACL
943 .listxattr = generic_listxattr,
944 .getxattr = generic_getxattr,
945 .setxattr = generic_setxattr,
946 .removexattr = generic_removexattr,
947 .get_acl = nfs3_get_acl,
948 .set_acl = nfs3_set_acl,
952 const struct nfs_rpc_ops nfs_v3_clientops = {
953 .version = 3, /* protocol version */
954 .dentry_ops = &nfs_dentry_operations,
955 .dir_inode_ops = &nfs3_dir_inode_operations,
956 .file_inode_ops = &nfs3_file_inode_operations,
957 .file_ops = &nfs_file_operations,
958 .getroot = nfs3_proc_get_root,
959 .submount = nfs_submount,
960 .try_mount = nfs_try_mount,
961 .getattr = nfs3_proc_getattr,
962 .setattr = nfs3_proc_setattr,
963 .lookup = nfs3_proc_lookup,
964 .access = nfs3_proc_access,
965 .readlink = nfs3_proc_readlink,
966 .create = nfs3_proc_create,
967 .remove = nfs3_proc_remove,
968 .unlink_setup = nfs3_proc_unlink_setup,
969 .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare,
970 .unlink_done = nfs3_proc_unlink_done,
971 .rename = nfs3_proc_rename,
972 .rename_setup = nfs3_proc_rename_setup,
973 .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare,
974 .rename_done = nfs3_proc_rename_done,
975 .link = nfs3_proc_link,
976 .symlink = nfs3_proc_symlink,
977 .mkdir = nfs3_proc_mkdir,
978 .rmdir = nfs3_proc_rmdir,
979 .readdir = nfs3_proc_readdir,
980 .mknod = nfs3_proc_mknod,
981 .statfs = nfs3_proc_statfs,
982 .fsinfo = nfs3_proc_fsinfo,
983 .pathconf = nfs3_proc_pathconf,
984 .decode_dirent = nfs3_decode_dirent,
985 .read_setup = nfs3_proc_read_setup,
986 .read_pageio_init = nfs_pageio_init_read,
987 .read_rpc_prepare = nfs3_proc_read_rpc_prepare,
988 .read_done = nfs3_read_done,
989 .write_setup = nfs3_proc_write_setup,
990 .write_pageio_init = nfs_pageio_init_write,
991 .write_rpc_prepare = nfs3_proc_write_rpc_prepare,
992 .write_done = nfs3_write_done,
993 .commit_setup = nfs3_proc_commit_setup,
994 .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare,
995 .commit_done = nfs3_commit_done,
996 .lock = nfs3_proc_lock,
997 .clear_acl_cache = forget_all_cached_acls,
998 .close_context = nfs_close_context,
999 .have_delegation = nfs3_have_delegation,
1000 .return_delegation = nfs3_return_delegation,
1001 .alloc_client = nfs_alloc_client,
1002 .init_client = nfs_init_client,
1003 .free_client = nfs_free_client,
1004 .create_server = nfs3_create_server,
1005 .clone_server = nfs3_clone_server,