2 * linux/fs/nfs/nfs3proc.c
4 * Client-side NFSv3 procedures stubs.
6 * Copyright (C) 1997, Olaf Kirch
10 #include <linux/utsname.h>
11 #include <linux/errno.h>
12 #include <linux/string.h>
13 #include <linux/sunrpc/clnt.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/smp_lock.h>
20 #include <linux/nfs_mount.h>
24 #define NFSDBG_FACILITY NFSDBG_PROC
26 extern struct rpc_procinfo nfs3_procedures[];
28 /* A wrapper to handle the EJUKEBOX error message */
30 nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
34 rpc_clnt_sigmask(clnt, &oldset);
36 res = rpc_call_sync(clnt, msg, flags);
39 schedule_timeout_interruptible(NFS_JUKEBOX_RETRY_TIME);
41 } while (!signalled());
42 rpc_clnt_sigunmask(clnt, &oldset);
46 #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags)
49 nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
51 if (task->tk_status != -EJUKEBOX)
53 nfs_inc_stats(inode, NFSIOS_DELAY);
55 rpc_restart_call(task);
56 rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
61 do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
62 struct nfs_fsinfo *info)
64 struct rpc_message msg = {
65 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
71 dprintk("%s: call fsinfo\n", __FUNCTION__);
72 nfs_fattr_init(info->fattr);
73 status = rpc_call_sync(client, &msg, 0);
74 dprintk("%s: reply fsinfo: %d\n", __FUNCTION__, status);
75 if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
76 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
77 msg.rpc_resp = info->fattr;
78 status = rpc_call_sync(client, &msg, 0);
79 dprintk("%s: reply getattr: %d\n", __FUNCTION__, status);
85 * Bare-bones access to getattr: this is for nfs_read_super.
88 nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
89 struct nfs_fsinfo *info)
93 status = do_proc_get_root(server->client, fhandle, info);
94 if (status && server->client_sys != server->client)
95 status = do_proc_get_root(server->client_sys, fhandle, info);
100 * One function for each procedure in the NFS protocol.
103 nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
104 struct nfs_fattr *fattr)
106 struct rpc_message msg = {
107 .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR],
113 dprintk("NFS call getattr\n");
114 nfs_fattr_init(fattr);
115 status = rpc_call_sync(server->client, &msg, 0);
116 dprintk("NFS reply getattr: %d\n", status);
121 nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
124 struct inode *inode = dentry->d_inode;
125 struct nfs3_sattrargs arg = {
129 struct rpc_message msg = {
130 .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR],
136 dprintk("NFS call setattr\n");
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)
149 struct nfs_fattr dir_attr;
150 struct nfs3_diropargs arg = {
155 struct nfs3_diropres res = {
156 .dir_attr = &dir_attr,
160 struct rpc_message msg = {
161 .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
167 dprintk("NFS call lookup %s\n", name->name);
168 nfs_fattr_init(&dir_attr);
169 nfs_fattr_init(fattr);
170 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
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 dprintk("NFS reply lookup: %d\n", status);
179 status = nfs_refresh_inode(dir, &dir_attr);
183 static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
185 struct nfs_fattr fattr;
186 struct nfs3_accessargs arg = {
189 struct nfs3_accessres res = {
192 struct rpc_message msg = {
193 .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
196 .rpc_cred = entry->cred,
198 int mode = entry->mask;
201 dprintk("NFS call access\n");
204 arg.access |= NFS3_ACCESS_READ;
205 if (S_ISDIR(inode->i_mode)) {
206 if (mode & MAY_WRITE)
207 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE;
209 arg.access |= NFS3_ACCESS_LOOKUP;
211 if (mode & MAY_WRITE)
212 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND;
214 arg.access |= NFS3_ACCESS_EXECUTE;
216 nfs_fattr_init(&fattr);
217 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
218 nfs_refresh_inode(inode, &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 dprintk("NFS reply access: %d\n", status);
232 static int nfs3_proc_readlink(struct inode *inode, struct page *page,
233 unsigned int pgbase, unsigned int pglen)
235 struct nfs_fattr fattr;
236 struct nfs3_readlinkargs args = {
242 struct rpc_message msg = {
243 .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
249 dprintk("NFS call readlink\n");
250 nfs_fattr_init(&fattr);
251 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
252 nfs_refresh_inode(inode, &fattr);
253 dprintk("NFS reply readlink: %d\n", status);
257 static int nfs3_proc_read(struct nfs_read_data *rdata)
259 int flags = rdata->flags;
260 struct inode * inode = rdata->inode;
261 struct nfs_fattr * fattr = rdata->res.fattr;
262 struct rpc_message msg = {
263 .rpc_proc = &nfs3_procedures[NFS3PROC_READ],
264 .rpc_argp = &rdata->args,
265 .rpc_resp = &rdata->res,
266 .rpc_cred = rdata->cred,
270 dprintk("NFS call read %d @ %Ld\n", rdata->args.count,
271 (long long) rdata->args.offset);
272 nfs_fattr_init(fattr);
273 status = rpc_call_sync(NFS_CLIENT(inode), &msg, flags);
275 nfs_refresh_inode(inode, fattr);
276 dprintk("NFS reply read: %d\n", status);
280 static int nfs3_proc_write(struct nfs_write_data *wdata)
282 int rpcflags = wdata->flags;
283 struct inode * inode = wdata->inode;
284 struct nfs_fattr * fattr = wdata->res.fattr;
285 struct rpc_message msg = {
286 .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE],
287 .rpc_argp = &wdata->args,
288 .rpc_resp = &wdata->res,
289 .rpc_cred = wdata->cred,
293 dprintk("NFS call write %d @ %Ld\n", wdata->args.count,
294 (long long) wdata->args.offset);
295 nfs_fattr_init(fattr);
296 status = rpc_call_sync(NFS_CLIENT(inode), &msg, rpcflags);
298 nfs_post_op_update_inode(inode, fattr);
299 dprintk("NFS reply write: %d\n", status);
300 return status < 0? status : wdata->res.count;
303 static int nfs3_proc_commit(struct nfs_write_data *cdata)
305 struct inode * inode = cdata->inode;
306 struct nfs_fattr * fattr = cdata->res.fattr;
307 struct rpc_message msg = {
308 .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT],
309 .rpc_argp = &cdata->args,
310 .rpc_resp = &cdata->res,
311 .rpc_cred = cdata->cred,
315 dprintk("NFS call commit %d @ %Ld\n", cdata->args.count,
316 (long long) cdata->args.offset);
317 nfs_fattr_init(fattr);
318 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
320 nfs_post_op_update_inode(inode, fattr);
321 dprintk("NFS reply commit: %d\n", status);
326 * Create a regular file.
327 * For now, we don't implement O_EXCL.
330 nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
331 int flags, struct nameidata *nd)
333 struct nfs_fh fhandle;
334 struct nfs_fattr fattr;
335 struct nfs_fattr dir_attr;
336 struct nfs3_createargs arg = {
338 .name = dentry->d_name.name,
339 .len = dentry->d_name.len,
342 struct nfs3_diropres res = {
343 .dir_attr = &dir_attr,
347 struct rpc_message msg = {
348 .rpc_proc = &nfs3_procedures[NFS3PROC_CREATE],
352 mode_t mode = sattr->ia_mode;
355 dprintk("NFS call create %s\n", dentry->d_name.name);
356 arg.createmode = NFS3_CREATE_UNCHECKED;
357 if (flags & O_EXCL) {
358 arg.createmode = NFS3_CREATE_EXCLUSIVE;
359 arg.verifier[0] = jiffies;
360 arg.verifier[1] = current->pid;
363 sattr->ia_mode &= ~current->fs->umask;
366 nfs_fattr_init(&dir_attr);
367 nfs_fattr_init(&fattr);
368 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
369 nfs_refresh_inode(dir, &dir_attr);
371 /* If the server doesn't support the exclusive creation semantics,
372 * try again with simple 'guarded' mode. */
373 if (status == NFSERR_NOTSUPP) {
374 switch (arg.createmode) {
375 case NFS3_CREATE_EXCLUSIVE:
376 arg.createmode = NFS3_CREATE_GUARDED;
379 case NFS3_CREATE_GUARDED:
380 arg.createmode = NFS3_CREATE_UNCHECKED;
383 case NFS3_CREATE_UNCHECKED:
390 status = nfs_instantiate(dentry, &fhandle, &fattr);
394 /* When we created the file with exclusive semantics, make
395 * sure we set the attributes afterwards. */
396 if (arg.createmode == NFS3_CREATE_EXCLUSIVE) {
397 dprintk("NFS call setattr (post-create)\n");
399 if (!(sattr->ia_valid & ATTR_ATIME_SET))
400 sattr->ia_valid |= ATTR_ATIME;
401 if (!(sattr->ia_valid & ATTR_MTIME_SET))
402 sattr->ia_valid |= ATTR_MTIME;
404 /* Note: we could use a guarded setattr here, but I'm
405 * not sure this buys us anything (and I'd have
406 * to revamp the NFSv3 XDR code) */
407 status = nfs3_proc_setattr(dentry, &fattr, sattr);
409 nfs_setattr_update_inode(dentry->d_inode, sattr);
410 nfs_refresh_inode(dentry->d_inode, &fattr);
411 dprintk("NFS reply setattr (post-create): %d\n", status);
415 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
417 dprintk("NFS reply create: %d\n", status);
422 nfs3_proc_remove(struct inode *dir, struct qstr *name)
424 struct nfs_fattr dir_attr;
425 struct nfs3_diropargs arg = {
430 struct rpc_message msg = {
431 .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
433 .rpc_resp = &dir_attr,
437 dprintk("NFS call remove %s\n", name->name);
438 nfs_fattr_init(&dir_attr);
439 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
440 nfs_post_op_update_inode(dir, &dir_attr);
441 dprintk("NFS reply remove: %d\n", status);
446 nfs3_proc_unlink_setup(struct rpc_message *msg, struct dentry *dir, struct qstr *name)
449 struct nfs3_diropargs arg;
450 struct nfs_fattr res;
453 ptr = (struct unlinkxdr *)kmalloc(sizeof(*ptr), GFP_KERNEL);
456 ptr->arg.fh = NFS_FH(dir->d_inode);
457 ptr->arg.name = name->name;
458 ptr->arg.len = name->len;
459 nfs_fattr_init(&ptr->res);
460 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
461 msg->rpc_argp = &ptr->arg;
462 msg->rpc_resp = &ptr->res;
467 nfs3_proc_unlink_done(struct dentry *dir, struct rpc_task *task)
469 struct rpc_message *msg = &task->tk_msg;
470 struct nfs_fattr *dir_attr;
472 if (nfs3_async_handle_jukebox(task, dir->d_inode))
475 dir_attr = (struct nfs_fattr*)msg->rpc_resp;
476 nfs_post_op_update_inode(dir->d_inode, dir_attr);
477 kfree(msg->rpc_argp);
483 nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
484 struct inode *new_dir, struct qstr *new_name)
486 struct nfs_fattr old_dir_attr, new_dir_attr;
487 struct nfs3_renameargs arg = {
488 .fromfh = NFS_FH(old_dir),
489 .fromname = old_name->name,
490 .fromlen = old_name->len,
491 .tofh = NFS_FH(new_dir),
492 .toname = new_name->name,
493 .tolen = new_name->len
495 struct nfs3_renameres res = {
496 .fromattr = &old_dir_attr,
497 .toattr = &new_dir_attr
499 struct rpc_message msg = {
500 .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
506 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
507 nfs_fattr_init(&old_dir_attr);
508 nfs_fattr_init(&new_dir_attr);
509 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
510 nfs_post_op_update_inode(old_dir, &old_dir_attr);
511 nfs_post_op_update_inode(new_dir, &new_dir_attr);
512 dprintk("NFS reply rename: %d\n", status);
517 nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
519 struct nfs_fattr dir_attr, fattr;
520 struct nfs3_linkargs arg = {
521 .fromfh = NFS_FH(inode),
523 .toname = name->name,
526 struct nfs3_linkres res = {
527 .dir_attr = &dir_attr,
530 struct rpc_message msg = {
531 .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
537 dprintk("NFS call link %s\n", name->name);
538 nfs_fattr_init(&dir_attr);
539 nfs_fattr_init(&fattr);
540 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
541 nfs_post_op_update_inode(dir, &dir_attr);
542 nfs_post_op_update_inode(inode, &fattr);
543 dprintk("NFS reply link: %d\n", status);
548 nfs3_proc_symlink(struct inode *dir, struct qstr *name, struct qstr *path,
549 struct iattr *sattr, struct nfs_fh *fhandle,
550 struct nfs_fattr *fattr)
552 struct nfs_fattr dir_attr;
553 struct nfs3_symlinkargs arg = {
554 .fromfh = NFS_FH(dir),
555 .fromname = name->name,
556 .fromlen = name->len,
557 .topath = path->name,
561 struct nfs3_diropres res = {
562 .dir_attr = &dir_attr,
566 struct rpc_message msg = {
567 .rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK],
573 if (path->len > NFS3_MAXPATHLEN)
574 return -ENAMETOOLONG;
575 dprintk("NFS call symlink %s -> %s\n", name->name, path->name);
576 nfs_fattr_init(&dir_attr);
577 nfs_fattr_init(fattr);
578 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
579 nfs_post_op_update_inode(dir, &dir_attr);
580 dprintk("NFS reply symlink: %d\n", status);
585 nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
587 struct nfs_fh fhandle;
588 struct nfs_fattr fattr, dir_attr;
589 struct nfs3_mkdirargs arg = {
591 .name = dentry->d_name.name,
592 .len = dentry->d_name.len,
595 struct nfs3_diropres res = {
596 .dir_attr = &dir_attr,
600 struct rpc_message msg = {
601 .rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR],
605 int mode = sattr->ia_mode;
608 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
610 sattr->ia_mode &= ~current->fs->umask;
612 nfs_fattr_init(&dir_attr);
613 nfs_fattr_init(&fattr);
614 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
615 nfs_post_op_update_inode(dir, &dir_attr);
618 status = nfs_instantiate(dentry, &fhandle, &fattr);
621 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
623 dprintk("NFS reply mkdir: %d\n", status);
628 nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
630 struct nfs_fattr dir_attr;
631 struct nfs3_diropargs arg = {
636 struct rpc_message msg = {
637 .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
639 .rpc_resp = &dir_attr,
643 dprintk("NFS call rmdir %s\n", name->name);
644 nfs_fattr_init(&dir_attr);
645 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
646 nfs_post_op_update_inode(dir, &dir_attr);
647 dprintk("NFS reply rmdir: %d\n", status);
652 * The READDIR implementation is somewhat hackish - we pass the user buffer
653 * to the encode function, which installs it in the receive iovec.
654 * The decode function itself doesn't perform any decoding, it just makes
655 * sure the reply is syntactically correct.
657 * Also note that this implementation handles both plain readdir and
661 nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
662 u64 cookie, struct page *page, unsigned int count, int plus)
664 struct inode *dir = dentry->d_inode;
665 struct nfs_fattr dir_attr;
666 u32 *verf = NFS_COOKIEVERF(dir);
667 struct nfs3_readdirargs arg = {
670 .verf = {verf[0], verf[1]},
675 struct nfs3_readdirres res = {
676 .dir_attr = &dir_attr,
680 struct rpc_message msg = {
681 .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
691 msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
693 dprintk("NFS call readdir%s %d\n",
694 plus? "plus" : "", (unsigned int) cookie);
696 nfs_fattr_init(&dir_attr);
697 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
698 nfs_refresh_inode(dir, &dir_attr);
699 dprintk("NFS reply readdir: %d\n", status);
705 nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
709 struct nfs_fattr fattr, dir_attr;
710 struct nfs3_mknodargs arg = {
712 .name = dentry->d_name.name,
713 .len = dentry->d_name.len,
717 struct nfs3_diropres res = {
718 .dir_attr = &dir_attr,
722 struct rpc_message msg = {
723 .rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD],
727 mode_t mode = sattr->ia_mode;
730 switch (sattr->ia_mode & S_IFMT) {
731 case S_IFBLK: arg.type = NF3BLK; break;
732 case S_IFCHR: arg.type = NF3CHR; break;
733 case S_IFIFO: arg.type = NF3FIFO; break;
734 case S_IFSOCK: arg.type = NF3SOCK; break;
735 default: return -EINVAL;
738 dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name,
739 MAJOR(rdev), MINOR(rdev));
741 sattr->ia_mode &= ~current->fs->umask;
743 nfs_fattr_init(&dir_attr);
744 nfs_fattr_init(&fattr);
745 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
746 nfs_post_op_update_inode(dir, &dir_attr);
749 status = nfs_instantiate(dentry, &fh, &fattr);
752 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
754 dprintk("NFS reply mknod: %d\n", status);
759 nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
760 struct nfs_fsstat *stat)
762 struct rpc_message msg = {
763 .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
769 dprintk("NFS call fsstat\n");
770 nfs_fattr_init(stat->fattr);
771 status = rpc_call_sync(server->client, &msg, 0);
772 dprintk("NFS reply statfs: %d\n", status);
777 nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
778 struct nfs_fsinfo *info)
780 struct rpc_message msg = {
781 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
787 dprintk("NFS call fsinfo\n");
788 nfs_fattr_init(info->fattr);
789 status = rpc_call_sync(server->client_sys, &msg, 0);
790 dprintk("NFS reply fsinfo: %d\n", status);
795 nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
796 struct nfs_pathconf *info)
798 struct rpc_message msg = {
799 .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
805 dprintk("NFS call pathconf\n");
806 nfs_fattr_init(info->fattr);
807 status = rpc_call_sync(server->client, &msg, 0);
808 dprintk("NFS reply pathconf: %d\n", status);
812 extern u32 *nfs3_decode_dirent(u32 *, struct nfs_entry *, int);
814 static void nfs3_read_done(struct rpc_task *task, void *calldata)
816 struct nfs_read_data *data = calldata;
818 if (nfs3_async_handle_jukebox(task, data->inode))
820 /* Call back common NFS readpage processing */
821 if (task->tk_status >= 0)
822 nfs_refresh_inode(data->inode, &data->fattr);
823 nfs_readpage_result(task, calldata);
826 static const struct rpc_call_ops nfs3_read_ops = {
827 .rpc_call_done = nfs3_read_done,
828 .rpc_release = nfs_readdata_release,
832 nfs3_proc_read_setup(struct nfs_read_data *data)
834 struct rpc_task *task = &data->task;
835 struct inode *inode = data->inode;
837 struct rpc_message msg = {
838 .rpc_proc = &nfs3_procedures[NFS3PROC_READ],
839 .rpc_argp = &data->args,
840 .rpc_resp = &data->res,
841 .rpc_cred = data->cred,
844 /* N.B. Do we need to test? Never called for swapfile inode */
845 flags = RPC_TASK_ASYNC | (IS_SWAPFILE(inode)? NFS_RPC_SWAPFLAGS : 0);
847 /* Finalize the task. */
848 rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_read_ops, data);
849 rpc_call_setup(task, &msg, 0);
852 static void nfs3_write_done(struct rpc_task *task, void *calldata)
854 struct nfs_write_data *data = calldata;
856 if (nfs3_async_handle_jukebox(task, data->inode))
858 if (task->tk_status >= 0)
859 nfs_post_op_update_inode(data->inode, data->res.fattr);
860 nfs_writeback_done(task, calldata);
863 static const struct rpc_call_ops nfs3_write_ops = {
864 .rpc_call_done = nfs3_write_done,
865 .rpc_release = nfs_writedata_release,
869 nfs3_proc_write_setup(struct nfs_write_data *data, int how)
871 struct rpc_task *task = &data->task;
872 struct inode *inode = data->inode;
875 struct rpc_message msg = {
876 .rpc_proc = &nfs3_procedures[NFS3PROC_WRITE],
877 .rpc_argp = &data->args,
878 .rpc_resp = &data->res,
879 .rpc_cred = data->cred,
882 if (how & FLUSH_STABLE) {
883 if (!NFS_I(inode)->ncommit)
884 stable = NFS_FILE_SYNC;
886 stable = NFS_DATA_SYNC;
888 stable = NFS_UNSTABLE;
889 data->args.stable = stable;
891 /* Set the initial flags for the task. */
892 flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
894 /* Finalize the task. */
895 rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_write_ops, data);
896 rpc_call_setup(task, &msg, 0);
899 static void nfs3_commit_done(struct rpc_task *task, void *calldata)
901 struct nfs_write_data *data = calldata;
903 if (nfs3_async_handle_jukebox(task, data->inode))
905 if (task->tk_status >= 0)
906 nfs_post_op_update_inode(data->inode, data->res.fattr);
907 nfs_commit_done(task, calldata);
910 static const struct rpc_call_ops nfs3_commit_ops = {
911 .rpc_call_done = nfs3_commit_done,
912 .rpc_release = nfs_commit_release,
916 nfs3_proc_commit_setup(struct nfs_write_data *data, int how)
918 struct rpc_task *task = &data->task;
919 struct inode *inode = data->inode;
921 struct rpc_message msg = {
922 .rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT],
923 .rpc_argp = &data->args,
924 .rpc_resp = &data->res,
925 .rpc_cred = data->cred,
928 /* Set the initial flags for the task. */
929 flags = (how & FLUSH_SYNC) ? 0 : RPC_TASK_ASYNC;
931 /* Finalize the task. */
932 rpc_init_task(task, NFS_CLIENT(inode), flags, &nfs3_commit_ops, data);
933 rpc_call_setup(task, &msg, 0);
937 nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
939 return nlmclnt_proc(filp->f_dentry->d_inode, cmd, fl);
942 struct nfs_rpc_ops nfs_v3_clientops = {
943 .version = 3, /* protocol version */
944 .dentry_ops = &nfs_dentry_operations,
945 .dir_inode_ops = &nfs3_dir_inode_operations,
946 .file_inode_ops = &nfs3_file_inode_operations,
947 .getroot = nfs3_proc_get_root,
948 .getattr = nfs3_proc_getattr,
949 .setattr = nfs3_proc_setattr,
950 .lookup = nfs3_proc_lookup,
951 .access = nfs3_proc_access,
952 .readlink = nfs3_proc_readlink,
953 .read = nfs3_proc_read,
954 .write = nfs3_proc_write,
955 .commit = nfs3_proc_commit,
956 .create = nfs3_proc_create,
957 .remove = nfs3_proc_remove,
958 .unlink_setup = nfs3_proc_unlink_setup,
959 .unlink_done = nfs3_proc_unlink_done,
960 .rename = nfs3_proc_rename,
961 .link = nfs3_proc_link,
962 .symlink = nfs3_proc_symlink,
963 .mkdir = nfs3_proc_mkdir,
964 .rmdir = nfs3_proc_rmdir,
965 .readdir = nfs3_proc_readdir,
966 .mknod = nfs3_proc_mknod,
967 .statfs = nfs3_proc_statfs,
968 .fsinfo = nfs3_proc_fsinfo,
969 .pathconf = nfs3_proc_pathconf,
970 .decode_dirent = nfs3_decode_dirent,
971 .read_setup = nfs3_proc_read_setup,
972 .write_setup = nfs3_proc_write_setup,
973 .commit_setup = nfs3_proc_commit_setup,
974 .file_open = nfs_open,
975 .file_release = nfs_release,
976 .lock = nfs3_proc_lock,
977 .clear_acl_cache = nfs3_forget_cached_acls,