blob: 9d9b239329dc689abbacc62db763f3733477560e [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * linux/fs/nfs/nfs3proc.c
3 *
4 * Client-side NFSv3 procedures stubs.
5 *
6 * Copyright (C) 1997, Olaf Kirch
7 */
8
9#include <linux/mm.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070010#include <linux/errno.h>
11#include <linux/string.h>
12#include <linux/sunrpc/clnt.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090013#include <linux/slab.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070014#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>
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +000019#include <linux/nfs_mount.h>
Jeff Laytond3103102011-12-01 22:44:39 +010020#include <linux/freezer.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070021
Chuck Lever006ea732006-03-20 13:44:14 -050022#include "iostat.h"
David Howellsf7b422b2006-06-09 09:34:33 -040023#include "internal.h"
Chuck Lever006ea732006-03-20 13:44:14 -050024
Linus Torvalds1da177e2005-04-16 15:20:36 -070025#define NFSDBG_FACILITY NFSDBG_PROC
26
Jeff Laytonb68d69b2010-01-07 09:42:04 -050027/* A wrapper to handle the EJUKEBOX and EKEYEXPIRED error messages */
Linus Torvalds1da177e2005-04-16 15:20:36 -070028static int
29nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags)
30{
Linus Torvalds1da177e2005-04-16 15:20:36 -070031 int res;
Linus Torvalds1da177e2005-04-16 15:20:36 -070032 do {
33 res = rpc_call_sync(clnt, msg, flags);
Jeff Laytonb68d69b2010-01-07 09:42:04 -050034 if (res != -EJUKEBOX && res != -EKEYEXPIRED)
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 break;
Jeff Laytond3103102011-12-01 22:44:39 +010036 freezable_schedule_timeout_killable(NFS_JUKEBOX_RETRY_TIME);
Linus Torvalds1da177e2005-04-16 15:20:36 -070037 res = -ERESTARTSYS;
Matthew Wilcox150030b2007-12-06 16:24:39 -050038 } while (!fatal_signal_pending(current));
Linus Torvalds1da177e2005-04-16 15:20:36 -070039 return res;
40}
41
Chuck Leverdead28d2006-03-20 13:44:23 -050042#define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -070043
44static int
Chuck Lever006ea732006-03-20 13:44:14 -050045nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode)
Linus Torvalds1da177e2005-04-16 15:20:36 -070046{
Jeff Laytonb68d69b2010-01-07 09:42:04 -050047 if (task->tk_status != -EJUKEBOX && task->tk_status != -EKEYEXPIRED)
Linus Torvalds1da177e2005-04-16 15:20:36 -070048 return 0;
Jeff Laytonb68d69b2010-01-07 09:42:04 -050049 if (task->tk_status == -EJUKEBOX)
50 nfs_inc_stats(inode, NFSIOS_DELAY);
Linus Torvalds1da177e2005-04-16 15:20:36 -070051 task->tk_status = 0;
52 rpc_restart_call(task);
53 rpc_delay(task, NFS_JUKEBOX_RETRY_TIME);
54 return 1;
55}
56
J. Bruce Fields03c21732006-01-03 09:55:48 +010057static int
58do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle,
59 struct nfs_fsinfo *info)
60{
Chuck Leverdead28d2006-03-20 13:44:23 -050061 struct rpc_message msg = {
62 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
63 .rpc_argp = fhandle,
64 .rpc_resp = info,
65 };
J. Bruce Fields03c21732006-01-03 09:55:48 +010066 int status;
67
Harvey Harrison3110ff82008-05-02 13:42:44 -070068 dprintk("%s: call fsinfo\n", __func__);
J. Bruce Fields03c21732006-01-03 09:55:48 +010069 nfs_fattr_init(info->fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -050070 status = rpc_call_sync(client, &msg, 0);
Harvey Harrison3110ff82008-05-02 13:42:44 -070071 dprintk("%s: reply fsinfo: %d\n", __func__, status);
J. Bruce Fields03c21732006-01-03 09:55:48 +010072 if (!(info->fattr->valid & NFS_ATTR_FATTR)) {
Chuck Leverdead28d2006-03-20 13:44:23 -050073 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
74 msg.rpc_resp = info->fattr;
75 status = rpc_call_sync(client, &msg, 0);
Harvey Harrison3110ff82008-05-02 13:42:44 -070076 dprintk("%s: reply getattr: %d\n", __func__, status);
J. Bruce Fields03c21732006-01-03 09:55:48 +010077 }
78 return status;
79}
80
Linus Torvalds1da177e2005-04-16 15:20:36 -070081/*
David Howells54ceac42006-08-22 20:06:13 -040082 * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb
Linus Torvalds1da177e2005-04-16 15:20:36 -070083 */
84static int
85nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle,
86 struct nfs_fsinfo *info)
87{
88 int status;
89
J. Bruce Fields03c21732006-01-03 09:55:48 +010090 status = do_proc_get_root(server->client, fhandle, info);
David Howells5006a762006-08-22 20:06:12 -040091 if (status && server->nfs_client->cl_rpcclient != server->client)
92 status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info);
Linus Torvalds1da177e2005-04-16 15:20:36 -070093 return status;
94}
95
96/*
97 * One function for each procedure in the NFS protocol.
98 */
99static int
100nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle,
101 struct nfs_fattr *fattr)
102{
Chuck Leverdead28d2006-03-20 13:44:23 -0500103 struct rpc_message msg = {
104 .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR],
105 .rpc_argp = fhandle,
106 .rpc_resp = fattr,
107 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700108 int status;
109
110 dprintk("NFS call getattr\n");
Trond Myklebust0e574af2005-10-27 22:12:38 -0400111 nfs_fattr_init(fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500112 status = rpc_call_sync(server->client, &msg, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700113 dprintk("NFS reply getattr: %d\n", status);
114 return status;
115}
116
117static int
118nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr,
119 struct iattr *sattr)
120{
121 struct inode *inode = dentry->d_inode;
122 struct nfs3_sattrargs arg = {
123 .fh = NFS_FH(inode),
124 .sattr = sattr,
125 };
Chuck Leverdead28d2006-03-20 13:44:23 -0500126 struct rpc_message msg = {
127 .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR],
128 .rpc_argp = &arg,
129 .rpc_resp = fattr,
130 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700131 int status;
132
133 dprintk("NFS call setattr\n");
Trond Myklebust659bfcd2008-06-10 19:39:41 -0400134 if (sattr->ia_valid & ATTR_FILE)
135 msg.rpc_cred = nfs_file_cred(sattr->ia_file);
Trond Myklebust0e574af2005-10-27 22:12:38 -0400136 nfs_fattr_init(fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500137 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
Trond Myklebust65e43082005-08-16 11:49:44 -0400138 if (status == 0)
139 nfs_setattr_update_inode(inode, sattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140 dprintk("NFS reply setattr: %d\n", status);
141 return status;
142}
143
144static int
Bryan Schumaker7c513052011-03-24 17:12:24 +0000145nfs3_proc_lookup(struct rpc_clnt *clnt, struct inode *dir, struct qstr *name,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700146 struct nfs_fh *fhandle, struct nfs_fattr *fattr)
147{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148 struct nfs3_diropargs arg = {
149 .fh = NFS_FH(dir),
150 .name = name->name,
151 .len = name->len
152 };
153 struct nfs3_diropres res = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700154 .fh = fhandle,
155 .fattr = fattr
156 };
Chuck Leverdead28d2006-03-20 13:44:23 -0500157 struct rpc_message msg = {
158 .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
159 .rpc_argp = &arg,
160 .rpc_resp = &res,
161 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700162 int status;
163
164 dprintk("NFS call lookup %s\n", name->name);
Trond Myklebuste1fb4d02010-04-16 16:22:47 -0400165 res.dir_attr = nfs_alloc_fattr();
166 if (res.dir_attr == NULL)
167 return -ENOMEM;
168
Trond Myklebust0e574af2005-10-27 22:12:38 -0400169 nfs_fattr_init(fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500170 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
Trond Myklebuste1fb4d02010-04-16 16:22:47 -0400171 nfs_refresh_inode(dir, res.dir_attr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500172 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
173 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
174 msg.rpc_argp = fhandle;
175 msg.rpc_resp = fattr;
176 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
177 }
Trond Myklebuste1fb4d02010-04-16 16:22:47 -0400178 nfs_free_fattr(res.dir_attr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 dprintk("NFS reply lookup: %d\n", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180 return status;
181}
182
183static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
184{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700185 struct nfs3_accessargs arg = {
186 .fh = NFS_FH(inode),
187 };
Trond Myklebustc407d412010-04-16 16:22:48 -0400188 struct nfs3_accessres res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700189 struct rpc_message msg = {
190 .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
191 .rpc_argp = &arg,
192 .rpc_resp = &res,
Chuck Leverdead28d2006-03-20 13:44:23 -0500193 .rpc_cred = entry->cred,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700194 };
195 int mode = entry->mask;
Trond Myklebustc407d412010-04-16 16:22:48 -0400196 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700197
198 dprintk("NFS call access\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199
200 if (mode & MAY_READ)
201 arg.access |= NFS3_ACCESS_READ;
202 if (S_ISDIR(inode->i_mode)) {
203 if (mode & MAY_WRITE)
204 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE;
205 if (mode & MAY_EXEC)
206 arg.access |= NFS3_ACCESS_LOOKUP;
207 } else {
208 if (mode & MAY_WRITE)
209 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND;
210 if (mode & MAY_EXEC)
211 arg.access |= NFS3_ACCESS_EXECUTE;
212 }
Trond Myklebustc407d412010-04-16 16:22:48 -0400213
214 res.fattr = nfs_alloc_fattr();
215 if (res.fattr == NULL)
216 goto out;
217
Linus Torvalds1da177e2005-04-16 15:20:36 -0700218 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
Trond Myklebustc407d412010-04-16 16:22:48 -0400219 nfs_refresh_inode(inode, res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700220 if (status == 0) {
221 entry->mask = 0;
222 if (res.access & NFS3_ACCESS_READ)
223 entry->mask |= MAY_READ;
224 if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE))
225 entry->mask |= MAY_WRITE;
226 if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
227 entry->mask |= MAY_EXEC;
228 }
Trond Myklebustc407d412010-04-16 16:22:48 -0400229 nfs_free_fattr(res.fattr);
230out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700231 dprintk("NFS reply access: %d\n", status);
232 return status;
233}
234
235static int nfs3_proc_readlink(struct inode *inode, struct page *page,
236 unsigned int pgbase, unsigned int pglen)
237{
Trond Myklebust3b14d652010-04-16 16:22:50 -0400238 struct nfs_fattr *fattr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700239 struct nfs3_readlinkargs args = {
240 .fh = NFS_FH(inode),
241 .pgbase = pgbase,
242 .pglen = pglen,
243 .pages = &page
244 };
Chuck Leverdead28d2006-03-20 13:44:23 -0500245 struct rpc_message msg = {
246 .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
247 .rpc_argp = &args,
Chuck Leverdead28d2006-03-20 13:44:23 -0500248 };
Trond Myklebust3b14d652010-04-16 16:22:50 -0400249 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700250
251 dprintk("NFS call readlink\n");
Trond Myklebust3b14d652010-04-16 16:22:50 -0400252 fattr = nfs_alloc_fattr();
253 if (fattr == NULL)
254 goto out;
255 msg.rpc_resp = fattr;
256
Chuck Leverdead28d2006-03-20 13:44:23 -0500257 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
Trond Myklebust3b14d652010-04-16 16:22:50 -0400258 nfs_refresh_inode(inode, fattr);
259 nfs_free_fattr(fattr);
260out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261 dprintk("NFS reply readlink: %d\n", status);
262 return status;
263}
264
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400265struct nfs3_createdata {
266 struct rpc_message msg;
267 union {
268 struct nfs3_createargs create;
269 struct nfs3_mkdirargs mkdir;
270 struct nfs3_symlinkargs symlink;
271 struct nfs3_mknodargs mknod;
272 } arg;
273 struct nfs3_diropres res;
274 struct nfs_fh fh;
275 struct nfs_fattr fattr;
276 struct nfs_fattr dir_attr;
277};
278
279static struct nfs3_createdata *nfs3_alloc_createdata(void)
280{
281 struct nfs3_createdata *data;
282
283 data = kzalloc(sizeof(*data), GFP_KERNEL);
284 if (data != NULL) {
285 data->msg.rpc_argp = &data->arg;
286 data->msg.rpc_resp = &data->res;
287 data->res.fh = &data->fh;
288 data->res.fattr = &data->fattr;
289 data->res.dir_attr = &data->dir_attr;
290 nfs_fattr_init(data->res.fattr);
291 nfs_fattr_init(data->res.dir_attr);
292 }
293 return data;
294}
295
296static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
297{
298 int status;
299
300 status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);
301 nfs_post_op_update_inode(dir, data->res.dir_attr);
302 if (status == 0)
303 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr);
304 return status;
305}
306
307static void nfs3_free_createdata(struct nfs3_createdata *data)
308{
309 kfree(data);
310}
311
Linus Torvalds1da177e2005-04-16 15:20:36 -0700312/*
313 * Create a regular file.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700314 */
315static int
316nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
Trond Myklebustc0204fd2010-09-17 10:56:51 -0400317 int flags, struct nfs_open_context *ctx)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700318{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400319 struct nfs3_createdata *data;
Al Virod3fb6122011-07-23 18:37:50 -0400320 umode_t mode = sattr->ia_mode;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400321 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700322
323 dprintk("NFS call create %s\n", dentry->d_name.name);
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400324
325 data = nfs3_alloc_createdata();
326 if (data == NULL)
327 goto out;
328
329 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
330 data->arg.create.fh = NFS_FH(dir);
331 data->arg.create.name = dentry->d_name.name;
332 data->arg.create.len = dentry->d_name.len;
333 data->arg.create.sattr = sattr;
334
335 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700336 if (flags & O_EXCL) {
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400337 data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
338 data->arg.create.verifier[0] = jiffies;
339 data->arg.create.verifier[1] = current->pid;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700340 }
341
Al Viroce3b0f82009-03-29 19:08:22 -0400342 sattr->ia_mode &= ~current_umask();
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000343
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400344 for (;;) {
345 status = nfs3_do_create(dir, dentry, data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700346
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400347 if (status != -ENOTSUPP)
348 break;
349 /* If the server doesn't support the exclusive creation
350 * semantics, try again with simple 'guarded' mode. */
351 switch (data->arg.create.createmode) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700352 case NFS3_CREATE_EXCLUSIVE:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400353 data->arg.create.createmode = NFS3_CREATE_GUARDED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700354 break;
355
356 case NFS3_CREATE_GUARDED:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400357 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700358 break;
359
360 case NFS3_CREATE_UNCHECKED:
361 goto out;
362 }
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400363 nfs_fattr_init(data->res.dir_attr);
364 nfs_fattr_init(data->res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700365 }
366
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367 if (status != 0)
368 goto out;
369
370 /* When we created the file with exclusive semantics, make
371 * sure we set the attributes afterwards. */
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400372 if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373 dprintk("NFS call setattr (post-create)\n");
374
375 if (!(sattr->ia_valid & ATTR_ATIME_SET))
376 sattr->ia_valid |= ATTR_ATIME;
377 if (!(sattr->ia_valid & ATTR_MTIME_SET))
378 sattr->ia_valid |= ATTR_MTIME;
379
380 /* Note: we could use a guarded setattr here, but I'm
381 * not sure this buys us anything (and I'd have
382 * to revamp the NFSv3 XDR code) */
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400383 status = nfs3_proc_setattr(dentry, data->res.fattr, sattr);
384 nfs_post_op_update_inode(dentry->d_inode, data->res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700385 dprintk("NFS reply setattr (post-create): %d\n", status);
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400386 if (status != 0)
387 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700388 }
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000389 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700390out:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400391 nfs3_free_createdata(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700392 dprintk("NFS reply create: %d\n", status);
393 return status;
394}
395
396static int
397nfs3_proc_remove(struct inode *dir, struct qstr *name)
398{
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400399 struct nfs_removeargs arg = {
400 .fh = NFS_FH(dir),
401 .name.len = name->len,
402 .name.name = name->name,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700403 };
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400404 struct nfs_removeres res;
405 struct rpc_message msg = {
406 .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE],
407 .rpc_argp = &arg,
408 .rpc_resp = &res,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409 };
Trond Myklebustd3468902010-04-16 16:22:50 -0400410 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700411
412 dprintk("NFS call remove %s\n", name->name);
Trond Myklebustd3468902010-04-16 16:22:50 -0400413 res.dir_attr = nfs_alloc_fattr();
414 if (res.dir_attr == NULL)
415 goto out;
416
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
Trond Myklebustd3468902010-04-16 16:22:50 -0400418 nfs_post_op_update_inode(dir, res.dir_attr);
419 nfs_free_fattr(res.dir_attr);
420out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421 dprintk("NFS reply remove: %d\n", status);
422 return status;
423}
424
Trond Myklebuste4eff1a2007-07-14 15:39:58 -0400425static void
426nfs3_proc_unlink_setup(struct rpc_message *msg, struct inode *dir)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700427{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700428 msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700429}
430
431static int
Trond Myklebuste4eff1a2007-07-14 15:39:58 -0400432nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700433{
Trond Myklebuste4eff1a2007-07-14 15:39:58 -0400434 struct nfs_removeres *res;
435 if (nfs3_async_handle_jukebox(task, dir))
436 return 0;
437 res = task->tk_msg.rpc_resp;
Trond Myklebustd3468902010-04-16 16:22:50 -0400438 nfs_post_op_update_inode(dir, res->dir_attr);
Trond Myklebuste4eff1a2007-07-14 15:39:58 -0400439 return 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440}
441
Jeff Laytond3d41522010-09-17 17:31:57 -0400442static void
443nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir)
444{
445 msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME];
446}
447
448static int
449nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
450 struct inode *new_dir)
451{
452 struct nfs_renameres *res;
453
454 if (nfs3_async_handle_jukebox(task, old_dir))
455 return 0;
456 res = task->tk_msg.rpc_resp;
457
458 nfs_post_op_update_inode(old_dir, res->old_fattr);
459 nfs_post_op_update_inode(new_dir, res->new_fattr);
460 return 1;
461}
462
Linus Torvalds1da177e2005-04-16 15:20:36 -0700463static int
464nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
465 struct inode *new_dir, struct qstr *new_name)
466{
Jeff Layton920769f2010-09-17 17:30:25 -0400467 struct nfs_renameargs arg = {
468 .old_dir = NFS_FH(old_dir),
469 .old_name = old_name,
470 .new_dir = NFS_FH(new_dir),
471 .new_name = new_name,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700472 };
Jeff Laytone8582a82010-09-17 17:31:06 -0400473 struct nfs_renameres res;
Chuck Leverdead28d2006-03-20 13:44:23 -0500474 struct rpc_message msg = {
475 .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
476 .rpc_argp = &arg,
477 .rpc_resp = &res,
478 };
Trond Myklebust011fff72010-04-16 16:22:49 -0400479 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700480
481 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
Trond Myklebust011fff72010-04-16 16:22:49 -0400482
Jeff Laytone8582a82010-09-17 17:31:06 -0400483 res.old_fattr = nfs_alloc_fattr();
484 res.new_fattr = nfs_alloc_fattr();
485 if (res.old_fattr == NULL || res.new_fattr == NULL)
Trond Myklebust011fff72010-04-16 16:22:49 -0400486 goto out;
487
Chuck Leverdead28d2006-03-20 13:44:23 -0500488 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
Jeff Laytone8582a82010-09-17 17:31:06 -0400489 nfs_post_op_update_inode(old_dir, res.old_fattr);
490 nfs_post_op_update_inode(new_dir, res.new_fattr);
Trond Myklebust011fff72010-04-16 16:22:49 -0400491out:
Jeff Laytone8582a82010-09-17 17:31:06 -0400492 nfs_free_fattr(res.old_fattr);
493 nfs_free_fattr(res.new_fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700494 dprintk("NFS reply rename: %d\n", status);
495 return status;
496}
497
498static int
499nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
500{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700501 struct nfs3_linkargs arg = {
502 .fromfh = NFS_FH(inode),
503 .tofh = NFS_FH(dir),
504 .toname = name->name,
505 .tolen = name->len
506 };
Trond Myklebust136f2622010-04-16 16:22:49 -0400507 struct nfs3_linkres res;
Chuck Leverdead28d2006-03-20 13:44:23 -0500508 struct rpc_message msg = {
509 .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
510 .rpc_argp = &arg,
511 .rpc_resp = &res,
512 };
Trond Myklebust136f2622010-04-16 16:22:49 -0400513 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700514
515 dprintk("NFS call link %s\n", name->name);
Trond Myklebust136f2622010-04-16 16:22:49 -0400516 res.fattr = nfs_alloc_fattr();
517 res.dir_attr = nfs_alloc_fattr();
518 if (res.fattr == NULL || res.dir_attr == NULL)
519 goto out;
520
Chuck Leverdead28d2006-03-20 13:44:23 -0500521 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
Trond Myklebust136f2622010-04-16 16:22:49 -0400522 nfs_post_op_update_inode(dir, res.dir_attr);
523 nfs_post_op_update_inode(inode, res.fattr);
524out:
525 nfs_free_fattr(res.dir_attr);
526 nfs_free_fattr(res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700527 dprintk("NFS reply link: %d\n", status);
528 return status;
529}
530
531static int
Chuck Lever94a6d752006-08-22 20:06:23 -0400532nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
533 unsigned int len, struct iattr *sattr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700534{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400535 struct nfs3_createdata *data;
536 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537
Chuck Lever94a6d752006-08-22 20:06:23 -0400538 if (len > NFS3_MAXPATHLEN)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700539 return -ENAMETOOLONG;
Chuck Lever4f390c12006-08-22 20:06:22 -0400540
Chuck Lever94a6d752006-08-22 20:06:23 -0400541 dprintk("NFS call symlink %s\n", dentry->d_name.name);
542
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400543 data = nfs3_alloc_createdata();
544 if (data == NULL)
Chuck Lever4f390c12006-08-22 20:06:22 -0400545 goto out;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400546 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
547 data->arg.symlink.fromfh = NFS_FH(dir);
548 data->arg.symlink.fromname = dentry->d_name.name;
549 data->arg.symlink.fromlen = dentry->d_name.len;
550 data->arg.symlink.pages = &page;
551 data->arg.symlink.pathlen = len;
552 data->arg.symlink.sattr = sattr;
553
554 status = nfs3_do_create(dir, dentry, data);
555
556 nfs3_free_createdata(data);
Chuck Lever4f390c12006-08-22 20:06:22 -0400557out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700558 dprintk("NFS reply symlink: %d\n", status);
559 return status;
560}
561
562static int
563nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
564{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400565 struct nfs3_createdata *data;
Al Virod3fb6122011-07-23 18:37:50 -0400566 umode_t mode = sattr->ia_mode;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400567 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568
569 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000570
Al Viroce3b0f82009-03-29 19:08:22 -0400571 sattr->ia_mode &= ~current_umask();
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000572
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400573 data = nfs3_alloc_createdata();
574 if (data == NULL)
575 goto out;
576
577 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
578 data->arg.mkdir.fh = NFS_FH(dir);
579 data->arg.mkdir.name = dentry->d_name.name;
580 data->arg.mkdir.len = dentry->d_name.len;
581 data->arg.mkdir.sattr = sattr;
582
583 status = nfs3_do_create(dir, dentry, data);
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000584 if (status != 0)
585 goto out;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400586
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000587 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
588out:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400589 nfs3_free_createdata(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700590 dprintk("NFS reply mkdir: %d\n", status);
591 return status;
592}
593
594static int
595nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
596{
Trond Myklebust39967dd2010-04-16 16:22:50 -0400597 struct nfs_fattr *dir_attr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700598 struct nfs3_diropargs arg = {
599 .fh = NFS_FH(dir),
600 .name = name->name,
601 .len = name->len
602 };
Chuck Leverdead28d2006-03-20 13:44:23 -0500603 struct rpc_message msg = {
604 .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
605 .rpc_argp = &arg,
Chuck Leverdead28d2006-03-20 13:44:23 -0500606 };
Trond Myklebust39967dd2010-04-16 16:22:50 -0400607 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608
609 dprintk("NFS call rmdir %s\n", name->name);
Trond Myklebust39967dd2010-04-16 16:22:50 -0400610 dir_attr = nfs_alloc_fattr();
611 if (dir_attr == NULL)
612 goto out;
613
614 msg.rpc_resp = dir_attr;
Chuck Leverdead28d2006-03-20 13:44:23 -0500615 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
Trond Myklebust39967dd2010-04-16 16:22:50 -0400616 nfs_post_op_update_inode(dir, dir_attr);
617 nfs_free_fattr(dir_attr);
618out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619 dprintk("NFS reply rmdir: %d\n", status);
620 return status;
621}
622
623/*
624 * The READDIR implementation is somewhat hackish - we pass the user buffer
625 * to the encode function, which installs it in the receive iovec.
626 * The decode function itself doesn't perform any decoding, it just makes
627 * sure the reply is syntactically correct.
628 *
629 * Also note that this implementation handles both plain readdir and
630 * readdirplus.
631 */
632static int
633nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
Bryan Schumaker56e4ebf2010-10-20 15:44:37 -0400634 u64 cookie, struct page **pages, unsigned int count, int plus)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700635{
636 struct inode *dir = dentry->d_inode;
Al Virobc4785c2006-10-19 23:28:51 -0700637 __be32 *verf = NFS_COOKIEVERF(dir);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700638 struct nfs3_readdirargs arg = {
639 .fh = NFS_FH(dir),
640 .cookie = cookie,
641 .verf = {verf[0], verf[1]},
642 .plus = plus,
643 .count = count,
Bryan Schumaker56e4ebf2010-10-20 15:44:37 -0400644 .pages = pages
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645 };
646 struct nfs3_readdirres res = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700647 .verf = verf,
648 .plus = plus
649 };
650 struct rpc_message msg = {
651 .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
652 .rpc_argp = &arg,
653 .rpc_resp = &res,
654 .rpc_cred = cred
655 };
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400656 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657
Linus Torvalds1da177e2005-04-16 15:20:36 -0700658 if (plus)
659 msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
660
661 dprintk("NFS call readdir%s %d\n",
662 plus? "plus" : "", (unsigned int) cookie);
663
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400664 res.dir_attr = nfs_alloc_fattr();
665 if (res.dir_attr == NULL)
666 goto out;
667
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
Trond Myklebustc4812992007-09-28 17:11:45 -0400669
670 nfs_invalidate_atime(dir);
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400671 nfs_refresh_inode(dir, res.dir_attr);
Trond Myklebustc4812992007-09-28 17:11:45 -0400672
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400673 nfs_free_fattr(res.dir_attr);
674out:
Chuck Leverd141d972010-09-21 16:55:47 -0400675 dprintk("NFS reply readdir%s: %d\n",
676 plus? "plus" : "", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700677 return status;
678}
679
680static int
681nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
682 dev_t rdev)
683{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400684 struct nfs3_createdata *data;
Al Virod3fb6122011-07-23 18:37:50 -0400685 umode_t mode = sattr->ia_mode;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400686 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687
688 dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name,
689 MAJOR(rdev), MINOR(rdev));
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000690
Al Viroce3b0f82009-03-29 19:08:22 -0400691 sattr->ia_mode &= ~current_umask();
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000692
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400693 data = nfs3_alloc_createdata();
694 if (data == NULL)
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000695 goto out;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400696
697 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];
698 data->arg.mknod.fh = NFS_FH(dir);
699 data->arg.mknod.name = dentry->d_name.name;
700 data->arg.mknod.len = dentry->d_name.len;
701 data->arg.mknod.sattr = sattr;
702 data->arg.mknod.rdev = rdev;
703
704 switch (sattr->ia_mode & S_IFMT) {
705 case S_IFBLK:
706 data->arg.mknod.type = NF3BLK;
707 break;
708 case S_IFCHR:
709 data->arg.mknod.type = NF3CHR;
710 break;
711 case S_IFIFO:
712 data->arg.mknod.type = NF3FIFO;
713 break;
714 case S_IFSOCK:
715 data->arg.mknod.type = NF3SOCK;
716 break;
717 default:
718 status = -EINVAL;
719 goto out;
720 }
721
722 status = nfs3_do_create(dir, dentry, data);
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000723 if (status != 0)
724 goto out;
725 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
726out:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400727 nfs3_free_createdata(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700728 dprintk("NFS reply mknod: %d\n", status);
729 return status;
730}
731
732static int
733nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
734 struct nfs_fsstat *stat)
735{
Chuck Leverdead28d2006-03-20 13:44:23 -0500736 struct rpc_message msg = {
737 .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
738 .rpc_argp = fhandle,
739 .rpc_resp = stat,
740 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700741 int status;
742
743 dprintk("NFS call fsstat\n");
Trond Myklebust0e574af2005-10-27 22:12:38 -0400744 nfs_fattr_init(stat->fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500745 status = rpc_call_sync(server->client, &msg, 0);
Chuck Leverd141d972010-09-21 16:55:47 -0400746 dprintk("NFS reply fsstat: %d\n", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700747 return status;
748}
749
750static int
EG Keizer37ca8f52008-08-19 16:34:36 -0400751do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700752 struct nfs_fsinfo *info)
753{
Chuck Leverdead28d2006-03-20 13:44:23 -0500754 struct rpc_message msg = {
755 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
756 .rpc_argp = fhandle,
757 .rpc_resp = info,
758 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700759 int status;
760
761 dprintk("NFS call fsinfo\n");
Trond Myklebust0e574af2005-10-27 22:12:38 -0400762 nfs_fattr_init(info->fattr);
EG Keizer37ca8f52008-08-19 16:34:36 -0400763 status = rpc_call_sync(client, &msg, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700764 dprintk("NFS reply fsinfo: %d\n", status);
765 return status;
766}
767
EG Keizer37ca8f52008-08-19 16:34:36 -0400768/*
769 * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
770 * nfs_create_server
771 */
772static int
773nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
774 struct nfs_fsinfo *info)
775{
776 int status;
777
778 status = do_proc_fsinfo(server->client, fhandle, info);
779 if (status && server->nfs_client->cl_rpcclient != server->client)
780 status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
781 return status;
782}
783
Linus Torvalds1da177e2005-04-16 15:20:36 -0700784static int
785nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
786 struct nfs_pathconf *info)
787{
Chuck Leverdead28d2006-03-20 13:44:23 -0500788 struct rpc_message msg = {
789 .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
790 .rpc_argp = fhandle,
791 .rpc_resp = info,
792 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700793 int status;
794
795 dprintk("NFS call pathconf\n");
Trond Myklebust0e574af2005-10-27 22:12:38 -0400796 nfs_fattr_init(info->fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500797 status = rpc_call_sync(server->client, &msg, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700798 dprintk("NFS reply pathconf: %d\n", status);
799 return status;
800}
801
Trond Myklebustec06c092006-03-20 13:44:27 -0500802static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700803{
Chuck Lever006ea732006-03-20 13:44:14 -0500804 if (nfs3_async_handle_jukebox(task, data->inode))
Trond Myklebustec06c092006-03-20 13:44:27 -0500805 return -EAGAIN;
Trond Myklebust8850df92007-09-28 17:20:07 -0400806
807 nfs_invalidate_atime(data->inode);
808 nfs_refresh_inode(data->inode, &data->fattr);
Trond Myklebustec06c092006-03-20 13:44:27 -0500809 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700810}
811
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400812static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813{
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400814 msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700815}
816
Bryan Schumakerea7c3302012-03-19 14:54:40 -0400817static void nfs3_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data)
818{
819 rpc_call_start(task);
820}
821
Trond Myklebust788e7a82006-03-20 13:44:27 -0500822static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700823{
Chuck Lever006ea732006-03-20 13:44:14 -0500824 if (nfs3_async_handle_jukebox(task, data->inode))
Trond Myklebust788e7a82006-03-20 13:44:27 -0500825 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700826 if (task->tk_status >= 0)
Trond Myklebust70ca8852007-09-30 15:21:24 -0400827 nfs_post_op_update_inode_force_wcc(data->inode, data->res.fattr);
Trond Myklebust788e7a82006-03-20 13:44:27 -0500828 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700829}
830
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400831static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700832{
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400833 msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700834}
835
Bryan Schumakerc6cb80d2012-03-19 14:54:39 -0400836static void nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data)
837{
838 rpc_call_start(task);
839}
840
Trond Myklebust788e7a82006-03-20 13:44:27 -0500841static int nfs3_commit_done(struct rpc_task *task, struct nfs_write_data *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700842{
Chuck Lever006ea732006-03-20 13:44:14 -0500843 if (nfs3_async_handle_jukebox(task, data->inode))
Trond Myklebust788e7a82006-03-20 13:44:27 -0500844 return -EAGAIN;
Trond Myklebust9e08a3c2007-10-08 14:10:31 -0400845 nfs_refresh_inode(data->inode, data->res.fattr);
Trond Myklebust788e7a82006-03-20 13:44:27 -0500846 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700847}
848
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400849static void nfs3_proc_commit_setup(struct nfs_write_data *data, struct rpc_message *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700850{
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400851 msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700852}
853
854static int
855nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
856{
Chuck Lever1093a602008-01-11 17:09:59 -0500857 struct inode *inode = filp->f_path.dentry->d_inode;
858
859 return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700860}
861
David Howells509de812006-08-22 20:06:11 -0400862const struct nfs_rpc_ops nfs_v3_clientops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700863 .version = 3, /* protocol version */
864 .dentry_ops = &nfs_dentry_operations,
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000865 .dir_inode_ops = &nfs3_dir_inode_operations,
866 .file_inode_ops = &nfs3_file_inode_operations,
Jeff Layton1788ea62011-11-04 13:31:21 -0400867 .file_ops = &nfs_file_operations,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868 .getroot = nfs3_proc_get_root,
869 .getattr = nfs3_proc_getattr,
870 .setattr = nfs3_proc_setattr,
871 .lookup = nfs3_proc_lookup,
872 .access = nfs3_proc_access,
873 .readlink = nfs3_proc_readlink,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700874 .create = nfs3_proc_create,
875 .remove = nfs3_proc_remove,
876 .unlink_setup = nfs3_proc_unlink_setup,
877 .unlink_done = nfs3_proc_unlink_done,
878 .rename = nfs3_proc_rename,
Jeff Laytond3d41522010-09-17 17:31:57 -0400879 .rename_setup = nfs3_proc_rename_setup,
880 .rename_done = nfs3_proc_rename_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700881 .link = nfs3_proc_link,
882 .symlink = nfs3_proc_symlink,
883 .mkdir = nfs3_proc_mkdir,
884 .rmdir = nfs3_proc_rmdir,
885 .readdir = nfs3_proc_readdir,
886 .mknod = nfs3_proc_mknod,
887 .statfs = nfs3_proc_statfs,
888 .fsinfo = nfs3_proc_fsinfo,
889 .pathconf = nfs3_proc_pathconf,
890 .decode_dirent = nfs3_decode_dirent,
891 .read_setup = nfs3_proc_read_setup,
Bryan Schumakerea7c3302012-03-19 14:54:40 -0400892 .read_rpc_prepare = nfs3_proc_read_rpc_prepare,
Trond Myklebustec06c092006-03-20 13:44:27 -0500893 .read_done = nfs3_read_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700894 .write_setup = nfs3_proc_write_setup,
Bryan Schumakerc6cb80d2012-03-19 14:54:39 -0400895 .write_rpc_prepare = nfs3_proc_write_rpc_prepare,
Trond Myklebust788e7a82006-03-20 13:44:27 -0500896 .write_done = nfs3_write_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700897 .commit_setup = nfs3_proc_commit_setup,
Trond Myklebust788e7a82006-03-20 13:44:27 -0500898 .commit_done = nfs3_commit_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700899 .lock = nfs3_proc_lock,
Andreas Gruenbacher5c6a9f72005-06-22 17:16:27 +0000900 .clear_acl_cache = nfs3_forget_cached_acls,
Trond Myklebust7fe5c392009-03-19 15:35:50 -0400901 .close_context = nfs_close_context,
Andy Adamson45a52a02011-03-01 01:34:08 +0000902 .init_client = nfs_init_client,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700903};