blob: 90cb10d7b6936d1fc478f46572728e65e3874f29 [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
Andy Adamsoneb96d5c2012-11-27 10:34:19 -050027/* A wrapper to handle the EJUKEBOX 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);
Andy Adamsoneb96d5c2012-11-27 10:34:19 -050034 if (res != -EJUKEBOX)
Linus Torvalds1da177e2005-04-16 15:20:36 -070035 break;
Colin Cross416ad3c2013-05-06 23:50:06 +000036 freezable_schedule_timeout_killable_unsafe(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{
Andy Adamsoneb96d5c2012-11-27 10:34:19 -050047 if (task->tk_status != -EJUKEBOX)
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);
Trond Myklebust08660042012-08-20 12:42:15 -040072 if (status == 0 && !(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,
David Quigley1775fd32013-05-22 12:50:42 -0400101 struct nfs_fattr *fattr, struct nfs4_label *label)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700102{
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 Schumaker80a16b22012-04-27 13:27:46 -0400145nfs3_proc_lookup(struct inode *dir, struct qstr *name,
David Quigley1775fd32013-05-22 12:50:42 -0400146 struct nfs_fh *fhandle, struct nfs_fattr *fattr,
147 struct nfs4_label *label)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700148{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700149 struct nfs3_diropargs arg = {
150 .fh = NFS_FH(dir),
151 .name = name->name,
152 .len = name->len
153 };
154 struct nfs3_diropres res = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 .fh = fhandle,
156 .fattr = fattr
157 };
Chuck Leverdead28d2006-03-20 13:44:23 -0500158 struct rpc_message msg = {
159 .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP],
160 .rpc_argp = &arg,
161 .rpc_resp = &res,
162 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700163 int status;
164
165 dprintk("NFS call lookup %s\n", name->name);
Trond Myklebuste1fb4d02010-04-16 16:22:47 -0400166 res.dir_attr = nfs_alloc_fattr();
167 if (res.dir_attr == NULL)
168 return -ENOMEM;
169
Trond Myklebust0e574af2005-10-27 22:12:38 -0400170 nfs_fattr_init(fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500171 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
Trond Myklebuste1fb4d02010-04-16 16:22:47 -0400172 nfs_refresh_inode(dir, res.dir_attr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500173 if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) {
174 msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR];
175 msg.rpc_argp = fhandle;
176 msg.rpc_resp = fattr;
177 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
178 }
Trond Myklebuste1fb4d02010-04-16 16:22:47 -0400179 nfs_free_fattr(res.dir_attr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700180 dprintk("NFS reply lookup: %d\n", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700181 return status;
182}
183
184static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry)
185{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186 struct nfs3_accessargs arg = {
187 .fh = NFS_FH(inode),
188 };
Trond Myklebustc407d412010-04-16 16:22:48 -0400189 struct nfs3_accessres res;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700190 struct rpc_message msg = {
191 .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS],
192 .rpc_argp = &arg,
193 .rpc_resp = &res,
Chuck Leverdead28d2006-03-20 13:44:23 -0500194 .rpc_cred = entry->cred,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700195 };
196 int mode = entry->mask;
Trond Myklebustc407d412010-04-16 16:22:48 -0400197 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700198
199 dprintk("NFS call access\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700200
201 if (mode & MAY_READ)
202 arg.access |= NFS3_ACCESS_READ;
203 if (S_ISDIR(inode->i_mode)) {
204 if (mode & MAY_WRITE)
205 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE;
206 if (mode & MAY_EXEC)
207 arg.access |= NFS3_ACCESS_LOOKUP;
208 } else {
209 if (mode & MAY_WRITE)
210 arg.access |= NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND;
211 if (mode & MAY_EXEC)
212 arg.access |= NFS3_ACCESS_EXECUTE;
213 }
Trond Myklebustc407d412010-04-16 16:22:48 -0400214
215 res.fattr = nfs_alloc_fattr();
216 if (res.fattr == NULL)
217 goto out;
218
Linus Torvalds1da177e2005-04-16 15:20:36 -0700219 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
Trond Myklebustc407d412010-04-16 16:22:48 -0400220 nfs_refresh_inode(inode, res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700221 if (status == 0) {
222 entry->mask = 0;
223 if (res.access & NFS3_ACCESS_READ)
224 entry->mask |= MAY_READ;
225 if (res.access & (NFS3_ACCESS_MODIFY | NFS3_ACCESS_EXTEND | NFS3_ACCESS_DELETE))
226 entry->mask |= MAY_WRITE;
227 if (res.access & (NFS3_ACCESS_LOOKUP|NFS3_ACCESS_EXECUTE))
228 entry->mask |= MAY_EXEC;
229 }
Trond Myklebustc407d412010-04-16 16:22:48 -0400230 nfs_free_fattr(res.fattr);
231out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700232 dprintk("NFS reply access: %d\n", status);
233 return status;
234}
235
236static int nfs3_proc_readlink(struct inode *inode, struct page *page,
237 unsigned int pgbase, unsigned int pglen)
238{
Trond Myklebust3b14d652010-04-16 16:22:50 -0400239 struct nfs_fattr *fattr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700240 struct nfs3_readlinkargs args = {
241 .fh = NFS_FH(inode),
242 .pgbase = pgbase,
243 .pglen = pglen,
244 .pages = &page
245 };
Chuck Leverdead28d2006-03-20 13:44:23 -0500246 struct rpc_message msg = {
247 .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK],
248 .rpc_argp = &args,
Chuck Leverdead28d2006-03-20 13:44:23 -0500249 };
Trond Myklebust3b14d652010-04-16 16:22:50 -0400250 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700251
252 dprintk("NFS call readlink\n");
Trond Myklebust3b14d652010-04-16 16:22:50 -0400253 fattr = nfs_alloc_fattr();
254 if (fattr == NULL)
255 goto out;
256 msg.rpc_resp = fattr;
257
Chuck Leverdead28d2006-03-20 13:44:23 -0500258 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
Trond Myklebust3b14d652010-04-16 16:22:50 -0400259 nfs_refresh_inode(inode, fattr);
260 nfs_free_fattr(fattr);
261out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700262 dprintk("NFS reply readlink: %d\n", status);
263 return status;
264}
265
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400266struct nfs3_createdata {
267 struct rpc_message msg;
268 union {
269 struct nfs3_createargs create;
270 struct nfs3_mkdirargs mkdir;
271 struct nfs3_symlinkargs symlink;
272 struct nfs3_mknodargs mknod;
273 } arg;
274 struct nfs3_diropres res;
275 struct nfs_fh fh;
276 struct nfs_fattr fattr;
277 struct nfs_fattr dir_attr;
278};
279
280static struct nfs3_createdata *nfs3_alloc_createdata(void)
281{
282 struct nfs3_createdata *data;
283
284 data = kzalloc(sizeof(*data), GFP_KERNEL);
285 if (data != NULL) {
286 data->msg.rpc_argp = &data->arg;
287 data->msg.rpc_resp = &data->res;
288 data->res.fh = &data->fh;
289 data->res.fattr = &data->fattr;
290 data->res.dir_attr = &data->dir_attr;
291 nfs_fattr_init(data->res.fattr);
292 nfs_fattr_init(data->res.dir_attr);
293 }
294 return data;
295}
296
297static int nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data)
298{
299 int status;
300
301 status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0);
302 nfs_post_op_update_inode(dir, data->res.dir_attr);
303 if (status == 0)
David Quigley1775fd32013-05-22 12:50:42 -0400304 status = nfs_instantiate(dentry, data->res.fh, data->res.fattr, NULL);
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400305 return status;
306}
307
308static void nfs3_free_createdata(struct nfs3_createdata *data)
309{
310 kfree(data);
311}
312
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313/*
314 * Create a regular file.
Linus Torvalds1da177e2005-04-16 15:20:36 -0700315 */
316static int
317nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
Miklos Szeredi8867fe52012-06-05 15:10:19 +0200318 int flags)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700319{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400320 struct nfs3_createdata *data;
Al Virod3fb6122011-07-23 18:37:50 -0400321 umode_t mode = sattr->ia_mode;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400322 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700323
324 dprintk("NFS call create %s\n", dentry->d_name.name);
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400325
326 data = nfs3_alloc_createdata();
327 if (data == NULL)
328 goto out;
329
330 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE];
331 data->arg.create.fh = NFS_FH(dir);
332 data->arg.create.name = dentry->d_name.name;
333 data->arg.create.len = dentry->d_name.len;
334 data->arg.create.sattr = sattr;
335
336 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700337 if (flags & O_EXCL) {
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400338 data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE;
Trond Myklebusta9943d12013-08-20 21:04:11 -0400339 data->arg.create.verifier[0] = cpu_to_be32(jiffies);
340 data->arg.create.verifier[1] = cpu_to_be32(current->pid);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700341 }
342
Al Viroce3b0f82009-03-29 19:08:22 -0400343 sattr->ia_mode &= ~current_umask();
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000344
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400345 for (;;) {
346 status = nfs3_do_create(dir, dentry, data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700347
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400348 if (status != -ENOTSUPP)
349 break;
350 /* If the server doesn't support the exclusive creation
351 * semantics, try again with simple 'guarded' mode. */
352 switch (data->arg.create.createmode) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700353 case NFS3_CREATE_EXCLUSIVE:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400354 data->arg.create.createmode = NFS3_CREATE_GUARDED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355 break;
356
357 case NFS3_CREATE_GUARDED:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400358 data->arg.create.createmode = NFS3_CREATE_UNCHECKED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700359 break;
360
361 case NFS3_CREATE_UNCHECKED:
362 goto out;
363 }
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400364 nfs_fattr_init(data->res.dir_attr);
365 nfs_fattr_init(data->res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700366 }
367
Linus Torvalds1da177e2005-04-16 15:20:36 -0700368 if (status != 0)
369 goto out;
370
371 /* When we created the file with exclusive semantics, make
372 * sure we set the attributes afterwards. */
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400373 if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700374 dprintk("NFS call setattr (post-create)\n");
375
376 if (!(sattr->ia_valid & ATTR_ATIME_SET))
377 sattr->ia_valid |= ATTR_ATIME;
378 if (!(sattr->ia_valid & ATTR_MTIME_SET))
379 sattr->ia_valid |= ATTR_MTIME;
380
381 /* Note: we could use a guarded setattr here, but I'm
382 * not sure this buys us anything (and I'd have
383 * to revamp the NFSv3 XDR code) */
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400384 status = nfs3_proc_setattr(dentry, data->res.fattr, sattr);
385 nfs_post_op_update_inode(dentry->d_inode, data->res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700386 dprintk("NFS reply setattr (post-create): %d\n", status);
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400387 if (status != 0)
388 goto out;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700389 }
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000390 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700391out:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400392 nfs3_free_createdata(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700393 dprintk("NFS reply create: %d\n", status);
394 return status;
395}
396
397static int
398nfs3_proc_remove(struct inode *dir, struct qstr *name)
399{
Trond Myklebust4fdc17b2007-07-14 15:39:57 -0400400 struct nfs_removeargs arg = {
401 .fh = NFS_FH(dir),
Linus Torvalds26fe5752012-05-10 13:14:12 -0700402 .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
Bryan Schumaker34e137c2012-03-19 14:54:41 -0400431static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data)
432{
433 rpc_call_start(task);
434}
435
Linus Torvalds1da177e2005-04-16 15:20:36 -0700436static int
Trond Myklebuste4eff1a2007-07-14 15:39:58 -0400437nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438{
Trond Myklebuste4eff1a2007-07-14 15:39:58 -0400439 struct nfs_removeres *res;
440 if (nfs3_async_handle_jukebox(task, dir))
441 return 0;
442 res = task->tk_msg.rpc_resp;
Trond Myklebustd3468902010-04-16 16:22:50 -0400443 nfs_post_op_update_inode(dir, res->dir_attr);
Trond Myklebuste4eff1a2007-07-14 15:39:58 -0400444 return 1;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700445}
446
Jeff Laytond3d41522010-09-17 17:31:57 -0400447static void
448nfs3_proc_rename_setup(struct rpc_message *msg, struct inode *dir)
449{
450 msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME];
451}
452
Bryan Schumakerc6bfa1a2012-03-19 14:54:42 -0400453static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data)
454{
455 rpc_call_start(task);
456}
457
Jeff Laytond3d41522010-09-17 17:31:57 -0400458static int
459nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir,
460 struct inode *new_dir)
461{
462 struct nfs_renameres *res;
463
464 if (nfs3_async_handle_jukebox(task, old_dir))
465 return 0;
466 res = task->tk_msg.rpc_resp;
467
468 nfs_post_op_update_inode(old_dir, res->old_fattr);
469 nfs_post_op_update_inode(new_dir, res->new_fattr);
470 return 1;
471}
472
Linus Torvalds1da177e2005-04-16 15:20:36 -0700473static int
474nfs3_proc_rename(struct inode *old_dir, struct qstr *old_name,
475 struct inode *new_dir, struct qstr *new_name)
476{
Jeff Layton920769f2010-09-17 17:30:25 -0400477 struct nfs_renameargs arg = {
478 .old_dir = NFS_FH(old_dir),
479 .old_name = old_name,
480 .new_dir = NFS_FH(new_dir),
481 .new_name = new_name,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482 };
Jeff Laytone8582a82010-09-17 17:31:06 -0400483 struct nfs_renameres res;
Chuck Leverdead28d2006-03-20 13:44:23 -0500484 struct rpc_message msg = {
485 .rpc_proc = &nfs3_procedures[NFS3PROC_RENAME],
486 .rpc_argp = &arg,
487 .rpc_resp = &res,
488 };
Trond Myklebust011fff72010-04-16 16:22:49 -0400489 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490
491 dprintk("NFS call rename %s -> %s\n", old_name->name, new_name->name);
Trond Myklebust011fff72010-04-16 16:22:49 -0400492
Jeff Laytone8582a82010-09-17 17:31:06 -0400493 res.old_fattr = nfs_alloc_fattr();
494 res.new_fattr = nfs_alloc_fattr();
495 if (res.old_fattr == NULL || res.new_fattr == NULL)
Trond Myklebust011fff72010-04-16 16:22:49 -0400496 goto out;
497
Chuck Leverdead28d2006-03-20 13:44:23 -0500498 status = rpc_call_sync(NFS_CLIENT(old_dir), &msg, 0);
Jeff Laytone8582a82010-09-17 17:31:06 -0400499 nfs_post_op_update_inode(old_dir, res.old_fattr);
500 nfs_post_op_update_inode(new_dir, res.new_fattr);
Trond Myklebust011fff72010-04-16 16:22:49 -0400501out:
Jeff Laytone8582a82010-09-17 17:31:06 -0400502 nfs_free_fattr(res.old_fattr);
503 nfs_free_fattr(res.new_fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504 dprintk("NFS reply rename: %d\n", status);
505 return status;
506}
507
508static int
509nfs3_proc_link(struct inode *inode, struct inode *dir, struct qstr *name)
510{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700511 struct nfs3_linkargs arg = {
512 .fromfh = NFS_FH(inode),
513 .tofh = NFS_FH(dir),
514 .toname = name->name,
515 .tolen = name->len
516 };
Trond Myklebust136f2622010-04-16 16:22:49 -0400517 struct nfs3_linkres res;
Chuck Leverdead28d2006-03-20 13:44:23 -0500518 struct rpc_message msg = {
519 .rpc_proc = &nfs3_procedures[NFS3PROC_LINK],
520 .rpc_argp = &arg,
521 .rpc_resp = &res,
522 };
Trond Myklebust136f2622010-04-16 16:22:49 -0400523 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700524
525 dprintk("NFS call link %s\n", name->name);
Trond Myklebust136f2622010-04-16 16:22:49 -0400526 res.fattr = nfs_alloc_fattr();
527 res.dir_attr = nfs_alloc_fattr();
528 if (res.fattr == NULL || res.dir_attr == NULL)
529 goto out;
530
Chuck Leverdead28d2006-03-20 13:44:23 -0500531 status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0);
Trond Myklebust136f2622010-04-16 16:22:49 -0400532 nfs_post_op_update_inode(dir, res.dir_attr);
533 nfs_post_op_update_inode(inode, res.fattr);
534out:
535 nfs_free_fattr(res.dir_attr);
536 nfs_free_fattr(res.fattr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700537 dprintk("NFS reply link: %d\n", status);
538 return status;
539}
540
541static int
Chuck Lever94a6d752006-08-22 20:06:23 -0400542nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page,
543 unsigned int len, struct iattr *sattr)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700544{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400545 struct nfs3_createdata *data;
546 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700547
Chuck Lever94a6d752006-08-22 20:06:23 -0400548 if (len > NFS3_MAXPATHLEN)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549 return -ENAMETOOLONG;
Chuck Lever4f390c12006-08-22 20:06:22 -0400550
Chuck Lever94a6d752006-08-22 20:06:23 -0400551 dprintk("NFS call symlink %s\n", dentry->d_name.name);
552
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400553 data = nfs3_alloc_createdata();
554 if (data == NULL)
Chuck Lever4f390c12006-08-22 20:06:22 -0400555 goto out;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400556 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK];
557 data->arg.symlink.fromfh = NFS_FH(dir);
558 data->arg.symlink.fromname = dentry->d_name.name;
559 data->arg.symlink.fromlen = dentry->d_name.len;
560 data->arg.symlink.pages = &page;
561 data->arg.symlink.pathlen = len;
562 data->arg.symlink.sattr = sattr;
563
564 status = nfs3_do_create(dir, dentry, data);
565
566 nfs3_free_createdata(data);
Chuck Lever4f390c12006-08-22 20:06:22 -0400567out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700568 dprintk("NFS reply symlink: %d\n", status);
569 return status;
570}
571
572static int
573nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr)
574{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400575 struct nfs3_createdata *data;
Al Virod3fb6122011-07-23 18:37:50 -0400576 umode_t mode = sattr->ia_mode;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400577 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700578
579 dprintk("NFS call mkdir %s\n", dentry->d_name.name);
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000580
Al Viroce3b0f82009-03-29 19:08:22 -0400581 sattr->ia_mode &= ~current_umask();
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000582
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400583 data = nfs3_alloc_createdata();
584 if (data == NULL)
585 goto out;
586
587 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR];
588 data->arg.mkdir.fh = NFS_FH(dir);
589 data->arg.mkdir.name = dentry->d_name.name;
590 data->arg.mkdir.len = dentry->d_name.len;
591 data->arg.mkdir.sattr = sattr;
592
593 status = nfs3_do_create(dir, dentry, data);
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000594 if (status != 0)
595 goto out;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400596
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000597 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
598out:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400599 nfs3_free_createdata(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700600 dprintk("NFS reply mkdir: %d\n", status);
601 return status;
602}
603
604static int
605nfs3_proc_rmdir(struct inode *dir, struct qstr *name)
606{
Trond Myklebust39967dd2010-04-16 16:22:50 -0400607 struct nfs_fattr *dir_attr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700608 struct nfs3_diropargs arg = {
609 .fh = NFS_FH(dir),
610 .name = name->name,
611 .len = name->len
612 };
Chuck Leverdead28d2006-03-20 13:44:23 -0500613 struct rpc_message msg = {
614 .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR],
615 .rpc_argp = &arg,
Chuck Leverdead28d2006-03-20 13:44:23 -0500616 };
Trond Myklebust39967dd2010-04-16 16:22:50 -0400617 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700618
619 dprintk("NFS call rmdir %s\n", name->name);
Trond Myklebust39967dd2010-04-16 16:22:50 -0400620 dir_attr = nfs_alloc_fattr();
621 if (dir_attr == NULL)
622 goto out;
623
624 msg.rpc_resp = dir_attr;
Chuck Leverdead28d2006-03-20 13:44:23 -0500625 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
Trond Myklebust39967dd2010-04-16 16:22:50 -0400626 nfs_post_op_update_inode(dir, dir_attr);
627 nfs_free_fattr(dir_attr);
628out:
Linus Torvalds1da177e2005-04-16 15:20:36 -0700629 dprintk("NFS reply rmdir: %d\n", status);
630 return status;
631}
632
633/*
634 * The READDIR implementation is somewhat hackish - we pass the user buffer
635 * to the encode function, which installs it in the receive iovec.
636 * The decode function itself doesn't perform any decoding, it just makes
637 * sure the reply is syntactically correct.
638 *
639 * Also note that this implementation handles both plain readdir and
640 * readdirplus.
641 */
642static int
643nfs3_proc_readdir(struct dentry *dentry, struct rpc_cred *cred,
Bryan Schumaker56e4ebf2010-10-20 15:44:37 -0400644 u64 cookie, struct page **pages, unsigned int count, int plus)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700645{
646 struct inode *dir = dentry->d_inode;
Trond Myklebustc3f52af2012-09-03 14:56:02 -0400647 __be32 *verf = NFS_I(dir)->cookieverf;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700648 struct nfs3_readdirargs arg = {
649 .fh = NFS_FH(dir),
650 .cookie = cookie,
651 .verf = {verf[0], verf[1]},
652 .plus = plus,
653 .count = count,
Bryan Schumaker56e4ebf2010-10-20 15:44:37 -0400654 .pages = pages
Linus Torvalds1da177e2005-04-16 15:20:36 -0700655 };
656 struct nfs3_readdirres res = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700657 .verf = verf,
658 .plus = plus
659 };
660 struct rpc_message msg = {
661 .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR],
662 .rpc_argp = &arg,
663 .rpc_resp = &res,
664 .rpc_cred = cred
665 };
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400666 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700667
Linus Torvalds1da177e2005-04-16 15:20:36 -0700668 if (plus)
669 msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS];
670
671 dprintk("NFS call readdir%s %d\n",
672 plus? "plus" : "", (unsigned int) cookie);
673
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400674 res.dir_attr = nfs_alloc_fattr();
675 if (res.dir_attr == NULL)
676 goto out;
677
Linus Torvalds1da177e2005-04-16 15:20:36 -0700678 status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0);
Trond Myklebustc4812992007-09-28 17:11:45 -0400679
680 nfs_invalidate_atime(dir);
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400681 nfs_refresh_inode(dir, res.dir_attr);
Trond Myklebustc4812992007-09-28 17:11:45 -0400682
Trond Myklebustaa49b4c2010-04-16 16:22:49 -0400683 nfs_free_fattr(res.dir_attr);
684out:
Chuck Leverd141d972010-09-21 16:55:47 -0400685 dprintk("NFS reply readdir%s: %d\n",
686 plus? "plus" : "", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700687 return status;
688}
689
690static int
691nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
692 dev_t rdev)
693{
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400694 struct nfs3_createdata *data;
Al Virod3fb6122011-07-23 18:37:50 -0400695 umode_t mode = sattr->ia_mode;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400696 int status = -ENOMEM;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700697
698 dprintk("NFS call mknod %s %u:%u\n", dentry->d_name.name,
699 MAJOR(rdev), MINOR(rdev));
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000700
Al Viroce3b0f82009-03-29 19:08:22 -0400701 sattr->ia_mode &= ~current_umask();
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000702
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400703 data = nfs3_alloc_createdata();
704 if (data == NULL)
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000705 goto out;
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400706
707 data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD];
708 data->arg.mknod.fh = NFS_FH(dir);
709 data->arg.mknod.name = dentry->d_name.name;
710 data->arg.mknod.len = dentry->d_name.len;
711 data->arg.mknod.sattr = sattr;
712 data->arg.mknod.rdev = rdev;
713
714 switch (sattr->ia_mode & S_IFMT) {
715 case S_IFBLK:
716 data->arg.mknod.type = NF3BLK;
717 break;
718 case S_IFCHR:
719 data->arg.mknod.type = NF3CHR;
720 break;
721 case S_IFIFO:
722 data->arg.mknod.type = NF3FIFO;
723 break;
724 case S_IFSOCK:
725 data->arg.mknod.type = NF3SOCK;
726 break;
727 default:
728 status = -EINVAL;
729 goto out;
730 }
731
732 status = nfs3_do_create(dir, dentry, data);
Andreas Gruenbacher055ffbe2005-06-22 17:16:27 +0000733 if (status != 0)
734 goto out;
735 status = nfs3_proc_set_default_acl(dir, dentry->d_inode, mode);
736out:
Trond Myklebust0b4aae72008-06-20 17:00:23 -0400737 nfs3_free_createdata(data);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700738 dprintk("NFS reply mknod: %d\n", status);
739 return status;
740}
741
742static int
743nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle,
744 struct nfs_fsstat *stat)
745{
Chuck Leverdead28d2006-03-20 13:44:23 -0500746 struct rpc_message msg = {
747 .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT],
748 .rpc_argp = fhandle,
749 .rpc_resp = stat,
750 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700751 int status;
752
753 dprintk("NFS call fsstat\n");
Trond Myklebust0e574af2005-10-27 22:12:38 -0400754 nfs_fattr_init(stat->fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500755 status = rpc_call_sync(server->client, &msg, 0);
Chuck Leverd141d972010-09-21 16:55:47 -0400756 dprintk("NFS reply fsstat: %d\n", status);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700757 return status;
758}
759
760static int
EG Keizer37ca8f52008-08-19 16:34:36 -0400761do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700762 struct nfs_fsinfo *info)
763{
Chuck Leverdead28d2006-03-20 13:44:23 -0500764 struct rpc_message msg = {
765 .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO],
766 .rpc_argp = fhandle,
767 .rpc_resp = info,
768 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700769 int status;
770
771 dprintk("NFS call fsinfo\n");
Trond Myklebust0e574af2005-10-27 22:12:38 -0400772 nfs_fattr_init(info->fattr);
EG Keizer37ca8f52008-08-19 16:34:36 -0400773 status = rpc_call_sync(client, &msg, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700774 dprintk("NFS reply fsinfo: %d\n", status);
775 return status;
776}
777
EG Keizer37ca8f52008-08-19 16:34:36 -0400778/*
779 * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via
780 * nfs_create_server
781 */
782static int
783nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle,
784 struct nfs_fsinfo *info)
785{
786 int status;
787
788 status = do_proc_fsinfo(server->client, fhandle, info);
789 if (status && server->nfs_client->cl_rpcclient != server->client)
790 status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info);
791 return status;
792}
793
Linus Torvalds1da177e2005-04-16 15:20:36 -0700794static int
795nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle,
796 struct nfs_pathconf *info)
797{
Chuck Leverdead28d2006-03-20 13:44:23 -0500798 struct rpc_message msg = {
799 .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF],
800 .rpc_argp = fhandle,
801 .rpc_resp = info,
802 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700803 int status;
804
805 dprintk("NFS call pathconf\n");
Trond Myklebust0e574af2005-10-27 22:12:38 -0400806 nfs_fattr_init(info->fattr);
Chuck Leverdead28d2006-03-20 13:44:23 -0500807 status = rpc_call_sync(server->client, &msg, 0);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700808 dprintk("NFS reply pathconf: %d\n", status);
809 return status;
810}
811
Trond Myklebustec06c092006-03-20 13:44:27 -0500812static int nfs3_read_done(struct rpc_task *task, struct nfs_read_data *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700813{
Fred Isamancd841602012-04-20 14:47:44 -0400814 struct inode *inode = data->header->inode;
815
816 if (nfs3_async_handle_jukebox(task, inode))
Trond Myklebustec06c092006-03-20 13:44:27 -0500817 return -EAGAIN;
Trond Myklebust8850df92007-09-28 17:20:07 -0400818
Fred Isamancd841602012-04-20 14:47:44 -0400819 nfs_invalidate_atime(inode);
820 nfs_refresh_inode(inode, &data->fattr);
Trond Myklebustec06c092006-03-20 13:44:27 -0500821 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700822}
823
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400824static void nfs3_proc_read_setup(struct nfs_read_data *data, struct rpc_message *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700825{
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400826 msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700827}
828
NeilBrownef1820f2013-09-04 17:04:49 +1000829static int nfs3_proc_read_rpc_prepare(struct rpc_task *task, struct nfs_read_data *data)
Bryan Schumakerea7c3302012-03-19 14:54:40 -0400830{
831 rpc_call_start(task);
NeilBrownef1820f2013-09-04 17:04:49 +1000832 return 0;
Bryan Schumakerea7c3302012-03-19 14:54:40 -0400833}
834
Trond Myklebust788e7a82006-03-20 13:44:27 -0500835static int nfs3_write_done(struct rpc_task *task, struct nfs_write_data *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700836{
Fred Isamancd841602012-04-20 14:47:44 -0400837 struct inode *inode = data->header->inode;
838
839 if (nfs3_async_handle_jukebox(task, inode))
Trond Myklebust788e7a82006-03-20 13:44:27 -0500840 return -EAGAIN;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700841 if (task->tk_status >= 0)
Fred Isamancd841602012-04-20 14:47:44 -0400842 nfs_post_op_update_inode_force_wcc(inode, data->res.fattr);
Trond Myklebust788e7a82006-03-20 13:44:27 -0500843 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700844}
845
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400846static void nfs3_proc_write_setup(struct nfs_write_data *data, struct rpc_message *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700847{
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400848 msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700849}
850
NeilBrownef1820f2013-09-04 17:04:49 +1000851static int nfs3_proc_write_rpc_prepare(struct rpc_task *task, struct nfs_write_data *data)
Bryan Schumakerc6cb80d2012-03-19 14:54:39 -0400852{
853 rpc_call_start(task);
NeilBrownef1820f2013-09-04 17:04:49 +1000854 return 0;
Bryan Schumakerc6cb80d2012-03-19 14:54:39 -0400855}
856
Fred Isaman0b7c0152012-04-20 14:47:39 -0400857static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data)
858{
859 rpc_call_start(task);
860}
861
862static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700863{
Chuck Lever006ea732006-03-20 13:44:14 -0500864 if (nfs3_async_handle_jukebox(task, data->inode))
Trond Myklebust788e7a82006-03-20 13:44:27 -0500865 return -EAGAIN;
Trond Myklebust9e08a3c2007-10-08 14:10:31 -0400866 nfs_refresh_inode(data->inode, data->res.fattr);
Trond Myklebust788e7a82006-03-20 13:44:27 -0500867 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700868}
869
Fred Isaman0b7c0152012-04-20 14:47:39 -0400870static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700871{
Trond Myklebustbdc7f022007-07-14 15:40:00 -0400872 msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700873}
874
875static int
876nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl)
877{
Al Viro496ad9a2013-01-23 17:07:38 -0500878 struct inode *inode = file_inode(filp);
Chuck Lever1093a602008-01-11 17:09:59 -0500879
880 return nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700881}
882
Bryan Schumaker011e2a72012-06-20 15:53:43 -0400883static int nfs3_have_delegation(struct inode *inode, fmode_t flags)
884{
885 return 0;
886}
887
Bryan Schumaker57ec14c2012-06-20 15:53:44 -0400888static int nfs3_return_delegation(struct inode *inode)
889{
890 nfs_wb_all(inode);
891 return 0;
892}
893
Bryan Schumakerab962912012-07-16 16:39:11 -0400894static const struct inode_operations nfs3_dir_inode_operations = {
895 .create = nfs_create,
896 .lookup = nfs_lookup,
897 .link = nfs_link,
898 .unlink = nfs_unlink,
899 .symlink = nfs_symlink,
900 .mkdir = nfs_mkdir,
901 .rmdir = nfs_rmdir,
902 .mknod = nfs_mknod,
903 .rename = nfs_rename,
904 .permission = nfs_permission,
905 .getattr = nfs_getattr,
906 .setattr = nfs_setattr,
907 .listxattr = nfs3_listxattr,
908 .getxattr = nfs3_getxattr,
909 .setxattr = nfs3_setxattr,
910 .removexattr = nfs3_removexattr,
911};
912
913static const struct inode_operations nfs3_file_inode_operations = {
914 .permission = nfs_permission,
915 .getattr = nfs_getattr,
916 .setattr = nfs_setattr,
917 .listxattr = nfs3_listxattr,
918 .getxattr = nfs3_getxattr,
919 .setxattr = nfs3_setxattr,
920 .removexattr = nfs3_removexattr,
921};
922
David Howells509de812006-08-22 20:06:11 -0400923const struct nfs_rpc_ops nfs_v3_clientops = {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700924 .version = 3, /* protocol version */
925 .dentry_ops = &nfs_dentry_operations,
Andreas Gruenbacherb7fa0552005-06-22 17:16:27 +0000926 .dir_inode_ops = &nfs3_dir_inode_operations,
927 .file_inode_ops = &nfs3_file_inode_operations,
Jeff Layton1788ea62011-11-04 13:31:21 -0400928 .file_ops = &nfs_file_operations,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700929 .getroot = nfs3_proc_get_root,
Bryan Schumaker281cad42012-04-27 13:27:45 -0400930 .submount = nfs_submount,
Bryan Schumakerff9099f22012-07-30 16:05:18 -0400931 .try_mount = nfs_try_mount,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700932 .getattr = nfs3_proc_getattr,
933 .setattr = nfs3_proc_setattr,
934 .lookup = nfs3_proc_lookup,
935 .access = nfs3_proc_access,
936 .readlink = nfs3_proc_readlink,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700937 .create = nfs3_proc_create,
938 .remove = nfs3_proc_remove,
939 .unlink_setup = nfs3_proc_unlink_setup,
Bryan Schumaker34e137c2012-03-19 14:54:41 -0400940 .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700941 .unlink_done = nfs3_proc_unlink_done,
942 .rename = nfs3_proc_rename,
Jeff Laytond3d41522010-09-17 17:31:57 -0400943 .rename_setup = nfs3_proc_rename_setup,
Bryan Schumakerc6bfa1a2012-03-19 14:54:42 -0400944 .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare,
Jeff Laytond3d41522010-09-17 17:31:57 -0400945 .rename_done = nfs3_proc_rename_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700946 .link = nfs3_proc_link,
947 .symlink = nfs3_proc_symlink,
948 .mkdir = nfs3_proc_mkdir,
949 .rmdir = nfs3_proc_rmdir,
950 .readdir = nfs3_proc_readdir,
951 .mknod = nfs3_proc_mknod,
952 .statfs = nfs3_proc_statfs,
953 .fsinfo = nfs3_proc_fsinfo,
954 .pathconf = nfs3_proc_pathconf,
955 .decode_dirent = nfs3_decode_dirent,
956 .read_setup = nfs3_proc_read_setup,
Bryan Schumaker1abb50882012-06-20 15:53:47 -0400957 .read_pageio_init = nfs_pageio_init_read,
Bryan Schumakerea7c3302012-03-19 14:54:40 -0400958 .read_rpc_prepare = nfs3_proc_read_rpc_prepare,
Trond Myklebustec06c092006-03-20 13:44:27 -0500959 .read_done = nfs3_read_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700960 .write_setup = nfs3_proc_write_setup,
Bryan Schumaker57208fa2012-06-20 15:53:48 -0400961 .write_pageio_init = nfs_pageio_init_write,
Bryan Schumakerc6cb80d2012-03-19 14:54:39 -0400962 .write_rpc_prepare = nfs3_proc_write_rpc_prepare,
Trond Myklebust788e7a82006-03-20 13:44:27 -0500963 .write_done = nfs3_write_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700964 .commit_setup = nfs3_proc_commit_setup,
Fred Isaman0b7c0152012-04-20 14:47:39 -0400965 .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare,
Trond Myklebust788e7a82006-03-20 13:44:27 -0500966 .commit_done = nfs3_commit_done,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700967 .lock = nfs3_proc_lock,
Andreas Gruenbacher5c6a9f72005-06-22 17:16:27 +0000968 .clear_acl_cache = nfs3_forget_cached_acls,
Trond Myklebust7fe5c392009-03-19 15:35:50 -0400969 .close_context = nfs_close_context,
Bryan Schumaker011e2a72012-06-20 15:53:43 -0400970 .have_delegation = nfs3_have_delegation,
Bryan Schumaker57ec14c2012-06-20 15:53:44 -0400971 .return_delegation = nfs3_return_delegation,
Bryan Schumaker6663ee72012-06-20 15:53:46 -0400972 .alloc_client = nfs_alloc_client,
Andy Adamson45a52a02011-03-01 01:34:08 +0000973 .init_client = nfs_init_client,
Bryan Schumakercdb7ece2012-06-20 15:53:45 -0400974 .free_client = nfs_free_client,
Bryan Schumaker1179acc2012-07-30 16:05:19 -0400975 .create_server = nfs3_create_server,
976 .clone_server = nfs3_clone_server,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700977};