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Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 LT |
2 | /* |
3 | * linux/fs/nfs/nfs3proc.c | |
4 | * | |
5 | * Client-side NFSv3 procedures stubs. | |
6 | * | |
7 | * Copyright (C) 1997, Olaf Kirch | |
8 | */ | |
9 | ||
10 | #include <linux/mm.h> | |
1da177e4 LT |
11 | #include <linux/errno.h> |
12 | #include <linux/string.h> | |
13 | #include <linux/sunrpc/clnt.h> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
1da177e4 LT |
15 | #include <linux/nfs.h> |
16 | #include <linux/nfs3.h> | |
17 | #include <linux/nfs_fs.h> | |
18 | #include <linux/nfs_page.h> | |
19 | #include <linux/lockd/bind.h> | |
b7fa0554 | 20 | #include <linux/nfs_mount.h> |
d310310c | 21 | #include <linux/freezer.h> |
0a6be655 | 22 | #include <linux/xattr.h> |
1da177e4 | 23 | |
006ea73e | 24 | #include "iostat.h" |
f7b422b1 | 25 | #include "internal.h" |
00a36a10 | 26 | #include "nfs3_fs.h" |
006ea73e | 27 | |
1da177e4 LT |
28 | #define NFSDBG_FACILITY NFSDBG_PROC |
29 | ||
eb96d5c9 | 30 | /* A wrapper to handle the EJUKEBOX error messages */ |
1da177e4 LT |
31 | static int |
32 | nfs3_rpc_wrapper(struct rpc_clnt *clnt, struct rpc_message *msg, int flags) | |
33 | { | |
1da177e4 | 34 | int res; |
1da177e4 LT |
35 | do { |
36 | res = rpc_call_sync(clnt, msg, flags); | |
eb96d5c9 | 37 | if (res != -EJUKEBOX) |
1da177e4 | 38 | break; |
416ad3c9 | 39 | freezable_schedule_timeout_killable_unsafe(NFS_JUKEBOX_RETRY_TIME); |
1da177e4 | 40 | res = -ERESTARTSYS; |
150030b7 | 41 | } while (!fatal_signal_pending(current)); |
1da177e4 LT |
42 | return res; |
43 | } | |
44 | ||
dead28da | 45 | #define rpc_call_sync(clnt, msg, flags) nfs3_rpc_wrapper(clnt, msg, flags) |
1da177e4 LT |
46 | |
47 | static int | |
006ea73e | 48 | nfs3_async_handle_jukebox(struct rpc_task *task, struct inode *inode) |
1da177e4 | 49 | { |
eb96d5c9 | 50 | if (task->tk_status != -EJUKEBOX) |
1da177e4 | 51 | return 0; |
79d534f8 | 52 | nfs_inc_stats(inode, NFSIOS_DELAY); |
1da177e4 LT |
53 | task->tk_status = 0; |
54 | rpc_restart_call(task); | |
55 | rpc_delay(task, NFS_JUKEBOX_RETRY_TIME); | |
56 | return 1; | |
57 | } | |
58 | ||
1da177e4 | 59 | static int |
03c21733 BF |
60 | do_proc_get_root(struct rpc_clnt *client, struct nfs_fh *fhandle, |
61 | struct nfs_fsinfo *info) | |
1da177e4 | 62 | { |
dead28da CL |
63 | struct rpc_message msg = { |
64 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], | |
65 | .rpc_argp = fhandle, | |
66 | .rpc_resp = info, | |
67 | }; | |
1da177e4 LT |
68 | int status; |
69 | ||
3110ff80 | 70 | dprintk("%s: call fsinfo\n", __func__); |
0e574af1 | 71 | nfs_fattr_init(info->fattr); |
dead28da | 72 | status = rpc_call_sync(client, &msg, 0); |
3110ff80 | 73 | dprintk("%s: reply fsinfo: %d\n", __func__, status); |
08660043 | 74 | if (status == 0 && !(info->fattr->valid & NFS_ATTR_FATTR)) { |
dead28da CL |
75 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; |
76 | msg.rpc_resp = info->fattr; | |
77 | status = rpc_call_sync(client, &msg, 0); | |
3110ff80 | 78 | dprintk("%s: reply getattr: %d\n", __func__, status); |
1da177e4 LT |
79 | } |
80 | return status; | |
81 | } | |
82 | ||
03c21733 | 83 | /* |
54ceac45 | 84 | * Bare-bones access to getattr: this is for nfs_get_root/nfs_get_sb |
03c21733 BF |
85 | */ |
86 | static int | |
87 | nfs3_proc_get_root(struct nfs_server *server, struct nfs_fh *fhandle, | |
88 | struct nfs_fsinfo *info) | |
89 | { | |
90 | int status; | |
91 | ||
92 | status = do_proc_get_root(server->client, fhandle, info); | |
5006a76c DH |
93 | if (status && server->nfs_client->cl_rpcclient != server->client) |
94 | status = do_proc_get_root(server->nfs_client->cl_rpcclient, fhandle, info); | |
03c21733 BF |
95 | return status; |
96 | } | |
97 | ||
1da177e4 LT |
98 | /* |
99 | * One function for each procedure in the NFS protocol. | |
100 | */ | |
101 | static int | |
102 | nfs3_proc_getattr(struct nfs_server *server, struct nfs_fh *fhandle, | |
a841b54d TM |
103 | struct nfs_fattr *fattr, struct nfs4_label *label, |
104 | struct inode *inode) | |
1da177e4 | 105 | { |
dead28da CL |
106 | struct rpc_message msg = { |
107 | .rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR], | |
108 | .rpc_argp = fhandle, | |
109 | .rpc_resp = fattr, | |
110 | }; | |
1da177e4 | 111 | int status; |
c74dfe97 TM |
112 | unsigned short task_flags = 0; |
113 | ||
114 | /* Is this is an attribute revalidation, subject to softreval? */ | |
115 | if (inode && (server->flags & NFS_MOUNT_SOFTREVAL)) | |
116 | task_flags |= RPC_TASK_TIMEOUT; | |
1da177e4 LT |
117 | |
118 | dprintk("NFS call getattr\n"); | |
0e574af1 | 119 | nfs_fattr_init(fattr); |
c74dfe97 | 120 | status = rpc_call_sync(server->client, &msg, task_flags); |
1da177e4 LT |
121 | dprintk("NFS reply getattr: %d\n", status); |
122 | return status; | |
123 | } | |
124 | ||
125 | static int | |
126 | nfs3_proc_setattr(struct dentry *dentry, struct nfs_fattr *fattr, | |
127 | struct iattr *sattr) | |
128 | { | |
2b0143b5 | 129 | struct inode *inode = d_inode(dentry); |
1da177e4 LT |
130 | struct nfs3_sattrargs arg = { |
131 | .fh = NFS_FH(inode), | |
132 | .sattr = sattr, | |
133 | }; | |
dead28da CL |
134 | struct rpc_message msg = { |
135 | .rpc_proc = &nfs3_procedures[NFS3PROC_SETATTR], | |
136 | .rpc_argp = &arg, | |
137 | .rpc_resp = fattr, | |
138 | }; | |
1da177e4 LT |
139 | int status; |
140 | ||
141 | dprintk("NFS call setattr\n"); | |
659bfcd6 TM |
142 | if (sattr->ia_valid & ATTR_FILE) |
143 | msg.rpc_cred = nfs_file_cred(sattr->ia_file); | |
0e574af1 | 144 | nfs_fattr_init(fattr); |
dead28da | 145 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
dbc898ae | 146 | if (status == 0) { |
fe1e8dbe | 147 | nfs_setattr_update_inode(inode, sattr, fattr); |
dbc898ae | 148 | if (NFS_I(inode)->cache_validity & NFS_INO_INVALID_ACL) |
149 | nfs_zap_acl_cache(inode); | |
dbc898ae | 150 | } |
1da177e4 LT |
151 | dprintk("NFS reply setattr: %d\n", status); |
152 | return status; | |
153 | } | |
154 | ||
155 | static int | |
5f447cb8 TM |
156 | __nfs3_proc_lookup(struct inode *dir, const char *name, size_t len, |
157 | struct nfs_fh *fhandle, struct nfs_fattr *fattr, | |
158 | unsigned short task_flags) | |
1da177e4 | 159 | { |
1da177e4 LT |
160 | struct nfs3_diropargs arg = { |
161 | .fh = NFS_FH(dir), | |
5f447cb8 TM |
162 | .name = name, |
163 | .len = len | |
1da177e4 LT |
164 | }; |
165 | struct nfs3_diropres res = { | |
1da177e4 LT |
166 | .fh = fhandle, |
167 | .fattr = fattr | |
168 | }; | |
dead28da CL |
169 | struct rpc_message msg = { |
170 | .rpc_proc = &nfs3_procedures[NFS3PROC_LOOKUP], | |
171 | .rpc_argp = &arg, | |
172 | .rpc_resp = &res, | |
173 | }; | |
1da177e4 LT |
174 | int status; |
175 | ||
e1fb4d05 TM |
176 | res.dir_attr = nfs_alloc_fattr(); |
177 | if (res.dir_attr == NULL) | |
178 | return -ENOMEM; | |
179 | ||
0e574af1 | 180 | nfs_fattr_init(fattr); |
f7b37b8b | 181 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags); |
e1fb4d05 | 182 | nfs_refresh_inode(dir, res.dir_attr); |
dead28da CL |
183 | if (status >= 0 && !(fattr->valid & NFS_ATTR_FATTR)) { |
184 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_GETATTR]; | |
185 | msg.rpc_argp = fhandle; | |
186 | msg.rpc_resp = fattr; | |
f7b37b8b | 187 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, task_flags); |
dead28da | 188 | } |
e1fb4d05 | 189 | nfs_free_fattr(res.dir_attr); |
1da177e4 | 190 | dprintk("NFS reply lookup: %d\n", status); |
1da177e4 LT |
191 | return status; |
192 | } | |
193 | ||
5f447cb8 TM |
194 | static int |
195 | nfs3_proc_lookup(struct inode *dir, struct dentry *dentry, | |
196 | struct nfs_fh *fhandle, struct nfs_fattr *fattr, | |
197 | struct nfs4_label *label) | |
198 | { | |
199 | unsigned short task_flags = 0; | |
200 | ||
201 | /* Is this is an attribute revalidation, subject to softreval? */ | |
202 | if (nfs_lookup_is_soft_revalidate(dentry)) | |
203 | task_flags |= RPC_TASK_TIMEOUT; | |
204 | ||
205 | dprintk("NFS call lookup %pd2\n", dentry); | |
206 | return __nfs3_proc_lookup(dir, dentry->d_name.name, | |
207 | dentry->d_name.len, fhandle, fattr, | |
208 | task_flags); | |
209 | } | |
210 | ||
3c5e9a59 TM |
211 | static int nfs3_proc_lookupp(struct inode *inode, struct nfs_fh *fhandle, |
212 | struct nfs_fattr *fattr, struct nfs4_label *label) | |
213 | { | |
214 | const char dotdot[] = ".."; | |
215 | const size_t len = strlen(dotdot); | |
216 | unsigned short task_flags = 0; | |
217 | ||
218 | if (NFS_SERVER(inode)->flags & NFS_MOUNT_SOFTREVAL) | |
219 | task_flags |= RPC_TASK_TIMEOUT; | |
220 | ||
221 | return __nfs3_proc_lookup(inode, dotdot, len, fhandle, fattr, | |
222 | task_flags); | |
223 | } | |
224 | ||
1da177e4 LT |
225 | static int nfs3_proc_access(struct inode *inode, struct nfs_access_entry *entry) |
226 | { | |
1da177e4 LT |
227 | struct nfs3_accessargs arg = { |
228 | .fh = NFS_FH(inode), | |
1750d929 | 229 | .access = entry->mask, |
1da177e4 | 230 | }; |
c407d41a | 231 | struct nfs3_accessres res; |
1da177e4 LT |
232 | struct rpc_message msg = { |
233 | .rpc_proc = &nfs3_procedures[NFS3PROC_ACCESS], | |
234 | .rpc_argp = &arg, | |
235 | .rpc_resp = &res, | |
a52458b4 | 236 | .rpc_cred = entry->cred, |
1da177e4 | 237 | }; |
c407d41a | 238 | int status = -ENOMEM; |
1da177e4 LT |
239 | |
240 | dprintk("NFS call access\n"); | |
c407d41a TM |
241 | res.fattr = nfs_alloc_fattr(); |
242 | if (res.fattr == NULL) | |
243 | goto out; | |
244 | ||
1da177e4 | 245 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
c407d41a | 246 | nfs_refresh_inode(inode, res.fattr); |
eda3e208 TM |
247 | if (status == 0) |
248 | nfs_access_set_mask(entry, res.access); | |
c407d41a TM |
249 | nfs_free_fattr(res.fattr); |
250 | out: | |
1da177e4 LT |
251 | dprintk("NFS reply access: %d\n", status); |
252 | return status; | |
253 | } | |
254 | ||
255 | static int nfs3_proc_readlink(struct inode *inode, struct page *page, | |
256 | unsigned int pgbase, unsigned int pglen) | |
257 | { | |
3b14d654 | 258 | struct nfs_fattr *fattr; |
1da177e4 LT |
259 | struct nfs3_readlinkargs args = { |
260 | .fh = NFS_FH(inode), | |
261 | .pgbase = pgbase, | |
262 | .pglen = pglen, | |
263 | .pages = &page | |
264 | }; | |
dead28da CL |
265 | struct rpc_message msg = { |
266 | .rpc_proc = &nfs3_procedures[NFS3PROC_READLINK], | |
267 | .rpc_argp = &args, | |
dead28da | 268 | }; |
3b14d654 | 269 | int status = -ENOMEM; |
1da177e4 LT |
270 | |
271 | dprintk("NFS call readlink\n"); | |
3b14d654 TM |
272 | fattr = nfs_alloc_fattr(); |
273 | if (fattr == NULL) | |
274 | goto out; | |
275 | msg.rpc_resp = fattr; | |
276 | ||
dead28da | 277 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
3b14d654 TM |
278 | nfs_refresh_inode(inode, fattr); |
279 | nfs_free_fattr(fattr); | |
280 | out: | |
1da177e4 LT |
281 | dprintk("NFS reply readlink: %d\n", status); |
282 | return status; | |
283 | } | |
284 | ||
0b4aae7a TM |
285 | struct nfs3_createdata { |
286 | struct rpc_message msg; | |
287 | union { | |
288 | struct nfs3_createargs create; | |
289 | struct nfs3_mkdirargs mkdir; | |
290 | struct nfs3_symlinkargs symlink; | |
291 | struct nfs3_mknodargs mknod; | |
292 | } arg; | |
293 | struct nfs3_diropres res; | |
294 | struct nfs_fh fh; | |
295 | struct nfs_fattr fattr; | |
296 | struct nfs_fattr dir_attr; | |
297 | }; | |
298 | ||
299 | static struct nfs3_createdata *nfs3_alloc_createdata(void) | |
300 | { | |
301 | struct nfs3_createdata *data; | |
302 | ||
303 | data = kzalloc(sizeof(*data), GFP_KERNEL); | |
304 | if (data != NULL) { | |
305 | data->msg.rpc_argp = &data->arg; | |
306 | data->msg.rpc_resp = &data->res; | |
307 | data->res.fh = &data->fh; | |
308 | data->res.fattr = &data->fattr; | |
309 | data->res.dir_attr = &data->dir_attr; | |
310 | nfs_fattr_init(data->res.fattr); | |
311 | nfs_fattr_init(data->res.dir_attr); | |
312 | } | |
313 | return data; | |
314 | } | |
315 | ||
17fd6e45 BC |
316 | static struct dentry * |
317 | nfs3_do_create(struct inode *dir, struct dentry *dentry, struct nfs3_createdata *data) | |
0b4aae7a TM |
318 | { |
319 | int status; | |
320 | ||
321 | status = rpc_call_sync(NFS_CLIENT(dir), &data->msg, 0); | |
322 | nfs_post_op_update_inode(dir, data->res.dir_attr); | |
17fd6e45 BC |
323 | if (status != 0) |
324 | return ERR_PTR(status); | |
325 | ||
326 | return nfs_add_or_obtain(dentry, data->res.fh, data->res.fattr, NULL); | |
0b4aae7a TM |
327 | } |
328 | ||
329 | static void nfs3_free_createdata(struct nfs3_createdata *data) | |
330 | { | |
331 | kfree(data); | |
332 | } | |
333 | ||
1da177e4 LT |
334 | /* |
335 | * Create a regular file. | |
1da177e4 LT |
336 | */ |
337 | static int | |
338 | nfs3_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr, | |
8867fe58 | 339 | int flags) |
1da177e4 | 340 | { |
013cdf10 | 341 | struct posix_acl *default_acl, *acl; |
0b4aae7a | 342 | struct nfs3_createdata *data; |
17fd6e45 | 343 | struct dentry *d_alias; |
0b4aae7a | 344 | int status = -ENOMEM; |
1da177e4 | 345 | |
6de1472f | 346 | dprintk("NFS call create %pd\n", dentry); |
0b4aae7a TM |
347 | |
348 | data = nfs3_alloc_createdata(); | |
349 | if (data == NULL) | |
350 | goto out; | |
351 | ||
352 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_CREATE]; | |
353 | data->arg.create.fh = NFS_FH(dir); | |
354 | data->arg.create.name = dentry->d_name.name; | |
355 | data->arg.create.len = dentry->d_name.len; | |
356 | data->arg.create.sattr = sattr; | |
357 | ||
358 | data->arg.create.createmode = NFS3_CREATE_UNCHECKED; | |
1da177e4 | 359 | if (flags & O_EXCL) { |
0b4aae7a | 360 | data->arg.create.createmode = NFS3_CREATE_EXCLUSIVE; |
a9943d11 TM |
361 | data->arg.create.verifier[0] = cpu_to_be32(jiffies); |
362 | data->arg.create.verifier[1] = cpu_to_be32(current->pid); | |
1da177e4 LT |
363 | } |
364 | ||
013cdf10 CH |
365 | status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); |
366 | if (status) | |
367 | goto out; | |
055ffbea | 368 | |
0b4aae7a | 369 | for (;;) { |
17fd6e45 BC |
370 | d_alias = nfs3_do_create(dir, dentry, data); |
371 | status = PTR_ERR_OR_ZERO(d_alias); | |
1da177e4 | 372 | |
0b4aae7a TM |
373 | if (status != -ENOTSUPP) |
374 | break; | |
375 | /* If the server doesn't support the exclusive creation | |
376 | * semantics, try again with simple 'guarded' mode. */ | |
377 | switch (data->arg.create.createmode) { | |
1da177e4 | 378 | case NFS3_CREATE_EXCLUSIVE: |
0b4aae7a | 379 | data->arg.create.createmode = NFS3_CREATE_GUARDED; |
1da177e4 LT |
380 | break; |
381 | ||
382 | case NFS3_CREATE_GUARDED: | |
0b4aae7a | 383 | data->arg.create.createmode = NFS3_CREATE_UNCHECKED; |
1da177e4 LT |
384 | break; |
385 | ||
386 | case NFS3_CREATE_UNCHECKED: | |
1fcb6fcd | 387 | goto out_release_acls; |
1da177e4 | 388 | } |
0b4aae7a TM |
389 | nfs_fattr_init(data->res.dir_attr); |
390 | nfs_fattr_init(data->res.fattr); | |
1da177e4 LT |
391 | } |
392 | ||
1da177e4 | 393 | if (status != 0) |
013cdf10 | 394 | goto out_release_acls; |
1da177e4 | 395 | |
17fd6e45 BC |
396 | if (d_alias) |
397 | dentry = d_alias; | |
398 | ||
1da177e4 LT |
399 | /* When we created the file with exclusive semantics, make |
400 | * sure we set the attributes afterwards. */ | |
0b4aae7a | 401 | if (data->arg.create.createmode == NFS3_CREATE_EXCLUSIVE) { |
1da177e4 LT |
402 | dprintk("NFS call setattr (post-create)\n"); |
403 | ||
404 | if (!(sattr->ia_valid & ATTR_ATIME_SET)) | |
405 | sattr->ia_valid |= ATTR_ATIME; | |
406 | if (!(sattr->ia_valid & ATTR_MTIME_SET)) | |
407 | sattr->ia_valid |= ATTR_MTIME; | |
408 | ||
409 | /* Note: we could use a guarded setattr here, but I'm | |
410 | * not sure this buys us anything (and I'd have | |
411 | * to revamp the NFSv3 XDR code) */ | |
0b4aae7a | 412 | status = nfs3_proc_setattr(dentry, data->res.fattr, sattr); |
2b0143b5 | 413 | nfs_post_op_update_inode(d_inode(dentry), data->res.fattr); |
1da177e4 | 414 | dprintk("NFS reply setattr (post-create): %d\n", status); |
0b4aae7a | 415 | if (status != 0) |
17fd6e45 | 416 | goto out_dput; |
1da177e4 | 417 | } |
013cdf10 | 418 | |
2b0143b5 | 419 | status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl); |
013cdf10 | 420 | |
17fd6e45 BC |
421 | out_dput: |
422 | dput(d_alias); | |
013cdf10 CH |
423 | out_release_acls: |
424 | posix_acl_release(acl); | |
425 | posix_acl_release(default_acl); | |
1da177e4 | 426 | out: |
0b4aae7a | 427 | nfs3_free_createdata(data); |
1da177e4 LT |
428 | dprintk("NFS reply create: %d\n", status); |
429 | return status; | |
430 | } | |
431 | ||
432 | static int | |
912678db | 433 | nfs3_proc_remove(struct inode *dir, struct dentry *dentry) |
1da177e4 | 434 | { |
4fdc17b2 TM |
435 | struct nfs_removeargs arg = { |
436 | .fh = NFS_FH(dir), | |
912678db | 437 | .name = dentry->d_name, |
1da177e4 | 438 | }; |
4fdc17b2 TM |
439 | struct nfs_removeres res; |
440 | struct rpc_message msg = { | |
441 | .rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE], | |
442 | .rpc_argp = &arg, | |
443 | .rpc_resp = &res, | |
1da177e4 | 444 | }; |
d346890b | 445 | int status = -ENOMEM; |
1da177e4 | 446 | |
912678db | 447 | dprintk("NFS call remove %pd2\n", dentry); |
d346890b TM |
448 | res.dir_attr = nfs_alloc_fattr(); |
449 | if (res.dir_attr == NULL) | |
450 | goto out; | |
451 | ||
1da177e4 | 452 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
d346890b TM |
453 | nfs_post_op_update_inode(dir, res.dir_attr); |
454 | nfs_free_fattr(res.dir_attr); | |
455 | out: | |
1da177e4 LT |
456 | dprintk("NFS reply remove: %d\n", status); |
457 | return status; | |
458 | } | |
459 | ||
e4eff1a6 | 460 | static void |
ed7e9ad0 TM |
461 | nfs3_proc_unlink_setup(struct rpc_message *msg, |
462 | struct dentry *dentry, | |
463 | struct inode *inode) | |
1da177e4 | 464 | { |
1da177e4 | 465 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_REMOVE]; |
1da177e4 LT |
466 | } |
467 | ||
34e137cc BS |
468 | static void nfs3_proc_unlink_rpc_prepare(struct rpc_task *task, struct nfs_unlinkdata *data) |
469 | { | |
470 | rpc_call_start(task); | |
471 | } | |
472 | ||
1da177e4 | 473 | static int |
e4eff1a6 | 474 | nfs3_proc_unlink_done(struct rpc_task *task, struct inode *dir) |
1da177e4 | 475 | { |
e4eff1a6 TM |
476 | struct nfs_removeres *res; |
477 | if (nfs3_async_handle_jukebox(task, dir)) | |
478 | return 0; | |
479 | res = task->tk_msg.rpc_resp; | |
d346890b | 480 | nfs_post_op_update_inode(dir, res->dir_attr); |
e4eff1a6 | 481 | return 1; |
1da177e4 LT |
482 | } |
483 | ||
d3d4152a | 484 | static void |
f2c2c552 TM |
485 | nfs3_proc_rename_setup(struct rpc_message *msg, |
486 | struct dentry *old_dentry, | |
487 | struct dentry *new_dentry) | |
d3d4152a JL |
488 | { |
489 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_RENAME]; | |
490 | } | |
491 | ||
c6bfa1a1 BS |
492 | static void nfs3_proc_rename_rpc_prepare(struct rpc_task *task, struct nfs_renamedata *data) |
493 | { | |
494 | rpc_call_start(task); | |
495 | } | |
496 | ||
d3d4152a JL |
497 | static int |
498 | nfs3_proc_rename_done(struct rpc_task *task, struct inode *old_dir, | |
499 | struct inode *new_dir) | |
500 | { | |
501 | struct nfs_renameres *res; | |
502 | ||
503 | if (nfs3_async_handle_jukebox(task, old_dir)) | |
504 | return 0; | |
505 | res = task->tk_msg.rpc_resp; | |
506 | ||
507 | nfs_post_op_update_inode(old_dir, res->old_fattr); | |
508 | nfs_post_op_update_inode(new_dir, res->new_fattr); | |
509 | return 1; | |
510 | } | |
511 | ||
1da177e4 | 512 | static int |
beffb8fe | 513 | nfs3_proc_link(struct inode *inode, struct inode *dir, const struct qstr *name) |
1da177e4 | 514 | { |
1da177e4 LT |
515 | struct nfs3_linkargs arg = { |
516 | .fromfh = NFS_FH(inode), | |
517 | .tofh = NFS_FH(dir), | |
518 | .toname = name->name, | |
519 | .tolen = name->len | |
520 | }; | |
136f2627 | 521 | struct nfs3_linkres res; |
dead28da CL |
522 | struct rpc_message msg = { |
523 | .rpc_proc = &nfs3_procedures[NFS3PROC_LINK], | |
524 | .rpc_argp = &arg, | |
525 | .rpc_resp = &res, | |
526 | }; | |
136f2627 | 527 | int status = -ENOMEM; |
1da177e4 LT |
528 | |
529 | dprintk("NFS call link %s\n", name->name); | |
136f2627 TM |
530 | res.fattr = nfs_alloc_fattr(); |
531 | res.dir_attr = nfs_alloc_fattr(); | |
532 | if (res.fattr == NULL || res.dir_attr == NULL) | |
533 | goto out; | |
534 | ||
dead28da | 535 | status = rpc_call_sync(NFS_CLIENT(inode), &msg, 0); |
136f2627 TM |
536 | nfs_post_op_update_inode(dir, res.dir_attr); |
537 | nfs_post_op_update_inode(inode, res.fattr); | |
538 | out: | |
539 | nfs_free_fattr(res.dir_attr); | |
540 | nfs_free_fattr(res.fattr); | |
1da177e4 LT |
541 | dprintk("NFS reply link: %d\n", status); |
542 | return status; | |
543 | } | |
544 | ||
545 | static int | |
94a6d753 CL |
546 | nfs3_proc_symlink(struct inode *dir, struct dentry *dentry, struct page *page, |
547 | unsigned int len, struct iattr *sattr) | |
1da177e4 | 548 | { |
0b4aae7a | 549 | struct nfs3_createdata *data; |
17fd6e45 | 550 | struct dentry *d_alias; |
0b4aae7a | 551 | int status = -ENOMEM; |
1da177e4 | 552 | |
94a6d753 | 553 | if (len > NFS3_MAXPATHLEN) |
1da177e4 | 554 | return -ENAMETOOLONG; |
4f390c15 | 555 | |
6de1472f | 556 | dprintk("NFS call symlink %pd\n", dentry); |
94a6d753 | 557 | |
0b4aae7a TM |
558 | data = nfs3_alloc_createdata(); |
559 | if (data == NULL) | |
4f390c15 | 560 | goto out; |
0b4aae7a TM |
561 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_SYMLINK]; |
562 | data->arg.symlink.fromfh = NFS_FH(dir); | |
563 | data->arg.symlink.fromname = dentry->d_name.name; | |
564 | data->arg.symlink.fromlen = dentry->d_name.len; | |
565 | data->arg.symlink.pages = &page; | |
566 | data->arg.symlink.pathlen = len; | |
567 | data->arg.symlink.sattr = sattr; | |
568 | ||
17fd6e45 BC |
569 | d_alias = nfs3_do_create(dir, dentry, data); |
570 | status = PTR_ERR_OR_ZERO(d_alias); | |
571 | ||
572 | if (status == 0) | |
573 | dput(d_alias); | |
0b4aae7a TM |
574 | |
575 | nfs3_free_createdata(data); | |
4f390c15 | 576 | out: |
1da177e4 LT |
577 | dprintk("NFS reply symlink: %d\n", status); |
578 | return status; | |
579 | } | |
580 | ||
581 | static int | |
582 | nfs3_proc_mkdir(struct inode *dir, struct dentry *dentry, struct iattr *sattr) | |
583 | { | |
013cdf10 | 584 | struct posix_acl *default_acl, *acl; |
0b4aae7a | 585 | struct nfs3_createdata *data; |
17fd6e45 | 586 | struct dentry *d_alias; |
0b4aae7a | 587 | int status = -ENOMEM; |
1da177e4 | 588 | |
6de1472f | 589 | dprintk("NFS call mkdir %pd\n", dentry); |
055ffbea | 590 | |
0b4aae7a TM |
591 | data = nfs3_alloc_createdata(); |
592 | if (data == NULL) | |
055ffbea | 593 | goto out; |
0b4aae7a | 594 | |
013cdf10 CH |
595 | status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); |
596 | if (status) | |
597 | goto out; | |
598 | ||
0b4aae7a TM |
599 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKDIR]; |
600 | data->arg.mkdir.fh = NFS_FH(dir); | |
601 | data->arg.mkdir.name = dentry->d_name.name; | |
602 | data->arg.mkdir.len = dentry->d_name.len; | |
603 | data->arg.mkdir.sattr = sattr; | |
604 | ||
17fd6e45 BC |
605 | d_alias = nfs3_do_create(dir, dentry, data); |
606 | status = PTR_ERR_OR_ZERO(d_alias); | |
607 | ||
055ffbea | 608 | if (status != 0) |
013cdf10 | 609 | goto out_release_acls; |
0b4aae7a | 610 | |
17fd6e45 BC |
611 | if (d_alias) |
612 | dentry = d_alias; | |
613 | ||
2b0143b5 | 614 | status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl); |
013cdf10 | 615 | |
17fd6e45 | 616 | dput(d_alias); |
013cdf10 CH |
617 | out_release_acls: |
618 | posix_acl_release(acl); | |
619 | posix_acl_release(default_acl); | |
055ffbea | 620 | out: |
0b4aae7a | 621 | nfs3_free_createdata(data); |
1da177e4 LT |
622 | dprintk("NFS reply mkdir: %d\n", status); |
623 | return status; | |
624 | } | |
625 | ||
626 | static int | |
beffb8fe | 627 | nfs3_proc_rmdir(struct inode *dir, const struct qstr *name) |
1da177e4 | 628 | { |
39967ddf | 629 | struct nfs_fattr *dir_attr; |
1da177e4 LT |
630 | struct nfs3_diropargs arg = { |
631 | .fh = NFS_FH(dir), | |
632 | .name = name->name, | |
633 | .len = name->len | |
634 | }; | |
dead28da CL |
635 | struct rpc_message msg = { |
636 | .rpc_proc = &nfs3_procedures[NFS3PROC_RMDIR], | |
637 | .rpc_argp = &arg, | |
dead28da | 638 | }; |
39967ddf | 639 | int status = -ENOMEM; |
1da177e4 LT |
640 | |
641 | dprintk("NFS call rmdir %s\n", name->name); | |
39967ddf TM |
642 | dir_attr = nfs_alloc_fattr(); |
643 | if (dir_attr == NULL) | |
644 | goto out; | |
645 | ||
646 | msg.rpc_resp = dir_attr; | |
dead28da | 647 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
39967ddf TM |
648 | nfs_post_op_update_inode(dir, dir_attr); |
649 | nfs_free_fattr(dir_attr); | |
650 | out: | |
1da177e4 LT |
651 | dprintk("NFS reply rmdir: %d\n", status); |
652 | return status; | |
653 | } | |
654 | ||
655 | /* | |
656 | * The READDIR implementation is somewhat hackish - we pass the user buffer | |
657 | * to the encode function, which installs it in the receive iovec. | |
658 | * The decode function itself doesn't perform any decoding, it just makes | |
659 | * sure the reply is syntactically correct. | |
660 | * | |
661 | * Also note that this implementation handles both plain readdir and | |
662 | * readdirplus. | |
663 | */ | |
82e22a5e TM |
664 | static int nfs3_proc_readdir(struct nfs_readdir_arg *nr_arg, |
665 | struct nfs_readdir_res *nr_res) | |
1da177e4 | 666 | { |
82e22a5e | 667 | struct inode *dir = d_inode(nr_arg->dentry); |
1da177e4 LT |
668 | struct nfs3_readdirargs arg = { |
669 | .fh = NFS_FH(dir), | |
82e22a5e TM |
670 | .cookie = nr_arg->cookie, |
671 | .plus = nr_arg->plus, | |
672 | .count = nr_arg->page_len, | |
673 | .pages = nr_arg->pages | |
1da177e4 LT |
674 | }; |
675 | struct nfs3_readdirres res = { | |
82e22a5e TM |
676 | .verf = nr_res->verf, |
677 | .plus = nr_arg->plus, | |
1da177e4 LT |
678 | }; |
679 | struct rpc_message msg = { | |
680 | .rpc_proc = &nfs3_procedures[NFS3PROC_READDIR], | |
681 | .rpc_argp = &arg, | |
682 | .rpc_resp = &res, | |
82e22a5e | 683 | .rpc_cred = nr_arg->cred, |
1da177e4 | 684 | }; |
aa49b4cf | 685 | int status = -ENOMEM; |
1da177e4 | 686 | |
82e22a5e | 687 | if (nr_arg->plus) |
1da177e4 | 688 | msg.rpc_proc = &nfs3_procedures[NFS3PROC_READDIRPLUS]; |
82e22a5e TM |
689 | if (arg.cookie) |
690 | memcpy(arg.verf, nr_arg->verf, sizeof(arg.verf)); | |
1da177e4 | 691 | |
82e22a5e TM |
692 | dprintk("NFS call readdir%s %llu\n", nr_arg->plus ? "plus" : "", |
693 | (unsigned long long)nr_arg->cookie); | |
1da177e4 | 694 | |
aa49b4cf TM |
695 | res.dir_attr = nfs_alloc_fattr(); |
696 | if (res.dir_attr == NULL) | |
697 | goto out; | |
698 | ||
1da177e4 | 699 | status = rpc_call_sync(NFS_CLIENT(dir), &msg, 0); |
c4812998 TM |
700 | |
701 | nfs_invalidate_atime(dir); | |
aa49b4cf | 702 | nfs_refresh_inode(dir, res.dir_attr); |
c4812998 | 703 | |
aa49b4cf TM |
704 | nfs_free_fattr(res.dir_attr); |
705 | out: | |
82e22a5e TM |
706 | dprintk("NFS reply readdir%s: %d\n", nr_arg->plus ? "plus" : "", |
707 | status); | |
1da177e4 LT |
708 | return status; |
709 | } | |
710 | ||
711 | static int | |
712 | nfs3_proc_mknod(struct inode *dir, struct dentry *dentry, struct iattr *sattr, | |
713 | dev_t rdev) | |
714 | { | |
013cdf10 | 715 | struct posix_acl *default_acl, *acl; |
0b4aae7a | 716 | struct nfs3_createdata *data; |
17fd6e45 | 717 | struct dentry *d_alias; |
0b4aae7a | 718 | int status = -ENOMEM; |
1da177e4 | 719 | |
6de1472f | 720 | dprintk("NFS call mknod %pd %u:%u\n", dentry, |
1da177e4 | 721 | MAJOR(rdev), MINOR(rdev)); |
055ffbea | 722 | |
0b4aae7a TM |
723 | data = nfs3_alloc_createdata(); |
724 | if (data == NULL) | |
055ffbea | 725 | goto out; |
0b4aae7a | 726 | |
013cdf10 CH |
727 | status = posix_acl_create(dir, &sattr->ia_mode, &default_acl, &acl); |
728 | if (status) | |
729 | goto out; | |
730 | ||
0b4aae7a TM |
731 | data->msg.rpc_proc = &nfs3_procedures[NFS3PROC_MKNOD]; |
732 | data->arg.mknod.fh = NFS_FH(dir); | |
733 | data->arg.mknod.name = dentry->d_name.name; | |
734 | data->arg.mknod.len = dentry->d_name.len; | |
735 | data->arg.mknod.sattr = sattr; | |
736 | data->arg.mknod.rdev = rdev; | |
737 | ||
738 | switch (sattr->ia_mode & S_IFMT) { | |
739 | case S_IFBLK: | |
740 | data->arg.mknod.type = NF3BLK; | |
741 | break; | |
742 | case S_IFCHR: | |
743 | data->arg.mknod.type = NF3CHR; | |
744 | break; | |
745 | case S_IFIFO: | |
746 | data->arg.mknod.type = NF3FIFO; | |
747 | break; | |
748 | case S_IFSOCK: | |
749 | data->arg.mknod.type = NF3SOCK; | |
750 | break; | |
751 | default: | |
752 | status = -EINVAL; | |
1fcb6fcd | 753 | goto out_release_acls; |
0b4aae7a TM |
754 | } |
755 | ||
17fd6e45 BC |
756 | d_alias = nfs3_do_create(dir, dentry, data); |
757 | status = PTR_ERR_OR_ZERO(d_alias); | |
055ffbea | 758 | if (status != 0) |
013cdf10 CH |
759 | goto out_release_acls; |
760 | ||
17fd6e45 BC |
761 | if (d_alias) |
762 | dentry = d_alias; | |
763 | ||
2b0143b5 | 764 | status = nfs3_proc_setacls(d_inode(dentry), acl, default_acl); |
013cdf10 | 765 | |
17fd6e45 | 766 | dput(d_alias); |
013cdf10 CH |
767 | out_release_acls: |
768 | posix_acl_release(acl); | |
769 | posix_acl_release(default_acl); | |
055ffbea | 770 | out: |
0b4aae7a | 771 | nfs3_free_createdata(data); |
1da177e4 LT |
772 | dprintk("NFS reply mknod: %d\n", status); |
773 | return status; | |
774 | } | |
775 | ||
776 | static int | |
777 | nfs3_proc_statfs(struct nfs_server *server, struct nfs_fh *fhandle, | |
778 | struct nfs_fsstat *stat) | |
779 | { | |
dead28da CL |
780 | struct rpc_message msg = { |
781 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSSTAT], | |
782 | .rpc_argp = fhandle, | |
783 | .rpc_resp = stat, | |
784 | }; | |
1da177e4 LT |
785 | int status; |
786 | ||
787 | dprintk("NFS call fsstat\n"); | |
0e574af1 | 788 | nfs_fattr_init(stat->fattr); |
dead28da | 789 | status = rpc_call_sync(server->client, &msg, 0); |
d141d974 | 790 | dprintk("NFS reply fsstat: %d\n", status); |
1da177e4 LT |
791 | return status; |
792 | } | |
793 | ||
794 | static int | |
37ca8f5c | 795 | do_proc_fsinfo(struct rpc_clnt *client, struct nfs_fh *fhandle, |
1da177e4 LT |
796 | struct nfs_fsinfo *info) |
797 | { | |
dead28da CL |
798 | struct rpc_message msg = { |
799 | .rpc_proc = &nfs3_procedures[NFS3PROC_FSINFO], | |
800 | .rpc_argp = fhandle, | |
801 | .rpc_resp = info, | |
802 | }; | |
1da177e4 LT |
803 | int status; |
804 | ||
805 | dprintk("NFS call fsinfo\n"); | |
0e574af1 | 806 | nfs_fattr_init(info->fattr); |
37ca8f5c | 807 | status = rpc_call_sync(client, &msg, 0); |
1da177e4 LT |
808 | dprintk("NFS reply fsinfo: %d\n", status); |
809 | return status; | |
810 | } | |
811 | ||
37ca8f5c EK |
812 | /* |
813 | * Bare-bones access to fsinfo: this is for nfs_get_root/nfs_get_sb via | |
814 | * nfs_create_server | |
815 | */ | |
816 | static int | |
817 | nfs3_proc_fsinfo(struct nfs_server *server, struct nfs_fh *fhandle, | |
818 | struct nfs_fsinfo *info) | |
819 | { | |
820 | int status; | |
821 | ||
822 | status = do_proc_fsinfo(server->client, fhandle, info); | |
823 | if (status && server->nfs_client->cl_rpcclient != server->client) | |
824 | status = do_proc_fsinfo(server->nfs_client->cl_rpcclient, fhandle, info); | |
825 | return status; | |
826 | } | |
827 | ||
1da177e4 LT |
828 | static int |
829 | nfs3_proc_pathconf(struct nfs_server *server, struct nfs_fh *fhandle, | |
830 | struct nfs_pathconf *info) | |
831 | { | |
dead28da CL |
832 | struct rpc_message msg = { |
833 | .rpc_proc = &nfs3_procedures[NFS3PROC_PATHCONF], | |
834 | .rpc_argp = fhandle, | |
835 | .rpc_resp = info, | |
836 | }; | |
1da177e4 LT |
837 | int status; |
838 | ||
839 | dprintk("NFS call pathconf\n"); | |
0e574af1 | 840 | nfs_fattr_init(info->fattr); |
dead28da | 841 | status = rpc_call_sync(server->client, &msg, 0); |
1da177e4 LT |
842 | dprintk("NFS reply pathconf: %d\n", status); |
843 | return status; | |
844 | } | |
845 | ||
d45f60c6 | 846 | static int nfs3_read_done(struct rpc_task *task, struct nfs_pgio_header *hdr) |
1da177e4 | 847 | { |
d45f60c6 | 848 | struct inode *inode = hdr->inode; |
8d8928d8 | 849 | struct nfs_server *server = NFS_SERVER(inode); |
cd841605 | 850 | |
16cecdf6 TM |
851 | if (hdr->pgio_done_cb != NULL) |
852 | return hdr->pgio_done_cb(task, hdr); | |
853 | ||
cd841605 | 854 | if (nfs3_async_handle_jukebox(task, inode)) |
ec06c096 | 855 | return -EAGAIN; |
8850df99 | 856 | |
8d8928d8 TM |
857 | if (task->tk_status >= 0 && !server->read_hdrsize) |
858 | cmpxchg(&server->read_hdrsize, 0, hdr->res.replen); | |
859 | ||
cd841605 | 860 | nfs_invalidate_atime(inode); |
d45f60c6 | 861 | nfs_refresh_inode(inode, &hdr->fattr); |
ec06c096 | 862 | return 0; |
1da177e4 LT |
863 | } |
864 | ||
d45f60c6 WAA |
865 | static void nfs3_proc_read_setup(struct nfs_pgio_header *hdr, |
866 | struct rpc_message *msg) | |
1da177e4 | 867 | { |
bdc7f021 | 868 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_READ]; |
8d8928d8 | 869 | hdr->args.replen = NFS_SERVER(hdr->inode)->read_hdrsize; |
1da177e4 LT |
870 | } |
871 | ||
d45f60c6 WAA |
872 | static int nfs3_proc_pgio_rpc_prepare(struct rpc_task *task, |
873 | struct nfs_pgio_header *hdr) | |
ea7c3303 BS |
874 | { |
875 | rpc_call_start(task); | |
ef1820f9 | 876 | return 0; |
ea7c3303 BS |
877 | } |
878 | ||
d45f60c6 | 879 | static int nfs3_write_done(struct rpc_task *task, struct nfs_pgio_header *hdr) |
1da177e4 | 880 | { |
d45f60c6 | 881 | struct inode *inode = hdr->inode; |
cd841605 | 882 | |
16cecdf6 TM |
883 | if (hdr->pgio_done_cb != NULL) |
884 | return hdr->pgio_done_cb(task, hdr); | |
885 | ||
cd841605 | 886 | if (nfs3_async_handle_jukebox(task, inode)) |
788e7a89 | 887 | return -EAGAIN; |
1da177e4 | 888 | if (task->tk_status >= 0) |
a08a8cd3 | 889 | nfs_writeback_update_inode(hdr); |
788e7a89 | 890 | return 0; |
1da177e4 LT |
891 | } |
892 | ||
d45f60c6 | 893 | static void nfs3_proc_write_setup(struct nfs_pgio_header *hdr, |
fb91fb0e AS |
894 | struct rpc_message *msg, |
895 | struct rpc_clnt **clnt) | |
1da177e4 | 896 | { |
bdc7f021 | 897 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_WRITE]; |
1da177e4 LT |
898 | } |
899 | ||
0b7c0153 FI |
900 | static void nfs3_proc_commit_rpc_prepare(struct rpc_task *task, struct nfs_commit_data *data) |
901 | { | |
902 | rpc_call_start(task); | |
903 | } | |
904 | ||
905 | static int nfs3_commit_done(struct rpc_task *task, struct nfs_commit_data *data) | |
1da177e4 | 906 | { |
16cecdf6 TM |
907 | if (data->commit_done_cb != NULL) |
908 | return data->commit_done_cb(task, data); | |
909 | ||
006ea73e | 910 | if (nfs3_async_handle_jukebox(task, data->inode)) |
788e7a89 | 911 | return -EAGAIN; |
9e08a3c5 | 912 | nfs_refresh_inode(data->inode, data->res.fattr); |
788e7a89 | 913 | return 0; |
1da177e4 LT |
914 | } |
915 | ||
e9ae1ee2 AS |
916 | static void nfs3_proc_commit_setup(struct nfs_commit_data *data, struct rpc_message *msg, |
917 | struct rpc_clnt **clnt) | |
1da177e4 | 918 | { |
bdc7f021 | 919 | msg->rpc_proc = &nfs3_procedures[NFS3PROC_COMMIT]; |
1da177e4 LT |
920 | } |
921 | ||
bb3393d5 | 922 | static void nfs3_nlm_alloc_call(void *data) |
f30cb757 BC |
923 | { |
924 | struct nfs_lock_context *l_ctx = data; | |
925 | if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags)) { | |
926 | get_nfs_open_context(l_ctx->open_context); | |
927 | nfs_get_lock_context(l_ctx->open_context); | |
928 | } | |
929 | } | |
930 | ||
bb3393d5 | 931 | static bool nfs3_nlm_unlock_prepare(struct rpc_task *task, void *data) |
f30cb757 BC |
932 | { |
933 | struct nfs_lock_context *l_ctx = data; | |
934 | if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags)) | |
935 | return nfs_async_iocounter_wait(task, l_ctx); | |
936 | return false; | |
937 | ||
938 | } | |
939 | ||
bb3393d5 | 940 | static void nfs3_nlm_release_call(void *data) |
f30cb757 BC |
941 | { |
942 | struct nfs_lock_context *l_ctx = data; | |
943 | struct nfs_open_context *ctx; | |
944 | if (l_ctx && test_bit(NFS_CONTEXT_UNLOCK, &l_ctx->open_context->flags)) { | |
945 | ctx = l_ctx->open_context; | |
946 | nfs_put_lock_context(l_ctx); | |
947 | put_nfs_open_context(ctx); | |
948 | } | |
949 | } | |
950 | ||
1b720406 | 951 | static const struct nlmclnt_operations nlmclnt_fl_close_lock_ops = { |
f30cb757 BC |
952 | .nlmclnt_alloc_call = nfs3_nlm_alloc_call, |
953 | .nlmclnt_unlock_prepare = nfs3_nlm_unlock_prepare, | |
954 | .nlmclnt_release_call = nfs3_nlm_release_call, | |
955 | }; | |
956 | ||
1da177e4 LT |
957 | static int |
958 | nfs3_proc_lock(struct file *filp, int cmd, struct file_lock *fl) | |
959 | { | |
496ad9aa | 960 | struct inode *inode = file_inode(filp); |
f30cb757 BC |
961 | struct nfs_lock_context *l_ctx = NULL; |
962 | struct nfs_open_context *ctx = nfs_file_open_context(filp); | |
963 | int status; | |
1093a60e | 964 | |
f30cb757 BC |
965 | if (fl->fl_flags & FL_CLOSE) { |
966 | l_ctx = nfs_get_lock_context(ctx); | |
967 | if (IS_ERR(l_ctx)) | |
968 | l_ctx = NULL; | |
969 | else | |
970 | set_bit(NFS_CONTEXT_UNLOCK, &ctx->flags); | |
971 | } | |
972 | ||
973 | status = nlmclnt_proc(NFS_SERVER(inode)->nlm_host, cmd, fl, l_ctx); | |
974 | ||
975 | if (l_ctx) | |
976 | nfs_put_lock_context(l_ctx); | |
977 | ||
978 | return status; | |
1da177e4 LT |
979 | } |
980 | ||
011e2a7f BS |
981 | static int nfs3_have_delegation(struct inode *inode, fmode_t flags) |
982 | { | |
983 | return 0; | |
984 | } | |
985 | ||
ab96291e BS |
986 | static const struct inode_operations nfs3_dir_inode_operations = { |
987 | .create = nfs_create, | |
988 | .lookup = nfs_lookup, | |
989 | .link = nfs_link, | |
990 | .unlink = nfs_unlink, | |
991 | .symlink = nfs_symlink, | |
992 | .mkdir = nfs_mkdir, | |
993 | .rmdir = nfs_rmdir, | |
994 | .mknod = nfs_mknod, | |
995 | .rename = nfs_rename, | |
996 | .permission = nfs_permission, | |
997 | .getattr = nfs_getattr, | |
998 | .setattr = nfs_setattr, | |
5f13ee9c | 999 | #ifdef CONFIG_NFS_V3_ACL |
74adf83f | 1000 | .listxattr = nfs3_listxattr, |
013cdf10 CH |
1001 | .get_acl = nfs3_get_acl, |
1002 | .set_acl = nfs3_set_acl, | |
1003 | #endif | |
ab96291e BS |
1004 | }; |
1005 | ||
1006 | static const struct inode_operations nfs3_file_inode_operations = { | |
1007 | .permission = nfs_permission, | |
1008 | .getattr = nfs_getattr, | |
1009 | .setattr = nfs_setattr, | |
5f13ee9c | 1010 | #ifdef CONFIG_NFS_V3_ACL |
74adf83f | 1011 | .listxattr = nfs3_listxattr, |
013cdf10 CH |
1012 | .get_acl = nfs3_get_acl, |
1013 | .set_acl = nfs3_set_acl, | |
1014 | #endif | |
ab96291e BS |
1015 | }; |
1016 | ||
509de811 | 1017 | const struct nfs_rpc_ops nfs_v3_clientops = { |
1da177e4 LT |
1018 | .version = 3, /* protocol version */ |
1019 | .dentry_ops = &nfs_dentry_operations, | |
b7fa0554 AG |
1020 | .dir_inode_ops = &nfs3_dir_inode_operations, |
1021 | .file_inode_ops = &nfs3_file_inode_operations, | |
1788ea6e | 1022 | .file_ops = &nfs_file_operations, |
f30cb757 | 1023 | .nlmclnt_ops = &nlmclnt_fl_close_lock_ops, |
1da177e4 | 1024 | .getroot = nfs3_proc_get_root, |
281cad46 | 1025 | .submount = nfs_submount, |
f2aedb71 | 1026 | .try_get_tree = nfs_try_get_tree, |
1da177e4 LT |
1027 | .getattr = nfs3_proc_getattr, |
1028 | .setattr = nfs3_proc_setattr, | |
1029 | .lookup = nfs3_proc_lookup, | |
3c5e9a59 | 1030 | .lookupp = nfs3_proc_lookupp, |
1da177e4 LT |
1031 | .access = nfs3_proc_access, |
1032 | .readlink = nfs3_proc_readlink, | |
1da177e4 LT |
1033 | .create = nfs3_proc_create, |
1034 | .remove = nfs3_proc_remove, | |
1035 | .unlink_setup = nfs3_proc_unlink_setup, | |
34e137cc | 1036 | .unlink_rpc_prepare = nfs3_proc_unlink_rpc_prepare, |
1da177e4 | 1037 | .unlink_done = nfs3_proc_unlink_done, |
d3d4152a | 1038 | .rename_setup = nfs3_proc_rename_setup, |
c6bfa1a1 | 1039 | .rename_rpc_prepare = nfs3_proc_rename_rpc_prepare, |
d3d4152a | 1040 | .rename_done = nfs3_proc_rename_done, |
1da177e4 LT |
1041 | .link = nfs3_proc_link, |
1042 | .symlink = nfs3_proc_symlink, | |
1043 | .mkdir = nfs3_proc_mkdir, | |
1044 | .rmdir = nfs3_proc_rmdir, | |
1045 | .readdir = nfs3_proc_readdir, | |
1046 | .mknod = nfs3_proc_mknod, | |
1047 | .statfs = nfs3_proc_statfs, | |
1048 | .fsinfo = nfs3_proc_fsinfo, | |
1049 | .pathconf = nfs3_proc_pathconf, | |
1050 | .decode_dirent = nfs3_decode_dirent, | |
a4cdda59 | 1051 | .pgio_rpc_prepare = nfs3_proc_pgio_rpc_prepare, |
1da177e4 | 1052 | .read_setup = nfs3_proc_read_setup, |
ec06c096 | 1053 | .read_done = nfs3_read_done, |
1da177e4 | 1054 | .write_setup = nfs3_proc_write_setup, |
788e7a89 | 1055 | .write_done = nfs3_write_done, |
1da177e4 | 1056 | .commit_setup = nfs3_proc_commit_setup, |
0b7c0153 | 1057 | .commit_rpc_prepare = nfs3_proc_commit_rpc_prepare, |
788e7a89 | 1058 | .commit_done = nfs3_commit_done, |
1da177e4 | 1059 | .lock = nfs3_proc_lock, |
013cdf10 | 1060 | .clear_acl_cache = forget_all_cached_acls, |
7fe5c398 | 1061 | .close_context = nfs_close_context, |
011e2a7f | 1062 | .have_delegation = nfs3_have_delegation, |
6663ee7f | 1063 | .alloc_client = nfs_alloc_client, |
45a52a02 | 1064 | .init_client = nfs_init_client, |
cdb7eced | 1065 | .free_client = nfs_free_client, |
1179acc6 BS |
1066 | .create_server = nfs3_create_server, |
1067 | .clone_server = nfs3_clone_server, | |
1da177e4 | 1068 | }; |