Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
1da177e4 | 2 | /* |
1da177e4 LT |
3 | * Process version 3 NFS requests. |
4 | * | |
5 | * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de> | |
6 | */ | |
7 | ||
1da177e4 LT |
8 | #include <linux/fs.h> |
9 | #include <linux/ext2_fs.h> | |
12214cb7 | 10 | #include <linux/magic.h> |
1da177e4 | 11 | |
9a74af21 BH |
12 | #include "cache.h" |
13 | #include "xdr3.h" | |
0a3adade | 14 | #include "vfs.h" |
1da177e4 LT |
15 | |
16 | #define NFSDDBG_FACILITY NFSDDBG_PROC | |
17 | ||
18 | #define RETURN_STATUS(st) { resp->status = (st); return (st); } | |
19 | ||
20 | static int nfs3_ftypes[] = { | |
21 | 0, /* NF3NON */ | |
22 | S_IFREG, /* NF3REG */ | |
23 | S_IFDIR, /* NF3DIR */ | |
24 | S_IFBLK, /* NF3BLK */ | |
25 | S_IFCHR, /* NF3CHR */ | |
26 | S_IFLNK, /* NF3LNK */ | |
27 | S_IFSOCK, /* NF3SOCK */ | |
28 | S_IFIFO, /* NF3FIFO */ | |
29 | }; | |
30 | ||
31 | /* | |
32 | * NULL call. | |
33 | */ | |
7111c66e | 34 | static __be32 |
a6beb732 | 35 | nfsd3_proc_null(struct svc_rqst *rqstp) |
1da177e4 LT |
36 | { |
37 | return nfs_ok; | |
38 | } | |
39 | ||
40 | /* | |
41 | * Get a file's attributes | |
42 | */ | |
7111c66e | 43 | static __be32 |
a6beb732 | 44 | nfsd3_proc_getattr(struct svc_rqst *rqstp) |
1da177e4 | 45 | { |
a6beb732 CH |
46 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
47 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
c4d987ba | 48 | __be32 nfserr; |
1da177e4 LT |
49 | |
50 | dprintk("nfsd: GETATTR(3) %s\n", | |
a334de28 | 51 | SVCFH_fmt(&argp->fh)); |
1da177e4 LT |
52 | |
53 | fh_copy(&resp->fh, &argp->fh); | |
04716e66 BF |
54 | nfserr = fh_verify(rqstp, &resp->fh, 0, |
55 | NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT); | |
a334de28 DS |
56 | if (nfserr) |
57 | RETURN_STATUS(nfserr); | |
58 | ||
3dadecce | 59 | nfserr = fh_getattr(&resp->fh, &resp->stat); |
a334de28 | 60 | |
1da177e4 LT |
61 | RETURN_STATUS(nfserr); |
62 | } | |
63 | ||
64 | /* | |
65 | * Set a file's attributes | |
66 | */ | |
7111c66e | 67 | static __be32 |
a6beb732 | 68 | nfsd3_proc_setattr(struct svc_rqst *rqstp) |
1da177e4 | 69 | { |
a6beb732 CH |
70 | struct nfsd3_sattrargs *argp = rqstp->rq_argp; |
71 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
c4d987ba | 72 | __be32 nfserr; |
1da177e4 LT |
73 | |
74 | dprintk("nfsd: SETATTR(3) %s\n", | |
75 | SVCFH_fmt(&argp->fh)); | |
76 | ||
77 | fh_copy(&resp->fh, &argp->fh); | |
78 | nfserr = nfsd_setattr(rqstp, &resp->fh, &argp->attrs, | |
79 | argp->check_guard, argp->guardtime); | |
80 | RETURN_STATUS(nfserr); | |
81 | } | |
82 | ||
83 | /* | |
84 | * Look up a path name component | |
85 | */ | |
7111c66e | 86 | static __be32 |
a6beb732 | 87 | nfsd3_proc_lookup(struct svc_rqst *rqstp) |
1da177e4 | 88 | { |
a6beb732 CH |
89 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
90 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
c4d987ba | 91 | __be32 nfserr; |
1da177e4 LT |
92 | |
93 | dprintk("nfsd: LOOKUP(3) %s %.*s\n", | |
94 | SVCFH_fmt(&argp->fh), | |
95 | argp->len, | |
96 | argp->name); | |
97 | ||
98 | fh_copy(&resp->dirfh, &argp->fh); | |
99 | fh_init(&resp->fh, NFS3_FHSIZE); | |
100 | ||
101 | nfserr = nfsd_lookup(rqstp, &resp->dirfh, | |
102 | argp->name, | |
103 | argp->len, | |
104 | &resp->fh); | |
105 | RETURN_STATUS(nfserr); | |
106 | } | |
107 | ||
108 | /* | |
109 | * Check file access | |
110 | */ | |
7111c66e | 111 | static __be32 |
a6beb732 | 112 | nfsd3_proc_access(struct svc_rqst *rqstp) |
1da177e4 | 113 | { |
a6beb732 CH |
114 | struct nfsd3_accessargs *argp = rqstp->rq_argp; |
115 | struct nfsd3_accessres *resp = rqstp->rq_resp; | |
c4d987ba | 116 | __be32 nfserr; |
1da177e4 LT |
117 | |
118 | dprintk("nfsd: ACCESS(3) %s 0x%x\n", | |
119 | SVCFH_fmt(&argp->fh), | |
120 | argp->access); | |
121 | ||
122 | fh_copy(&resp->fh, &argp->fh); | |
123 | resp->access = argp->access; | |
124 | nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL); | |
125 | RETURN_STATUS(nfserr); | |
126 | } | |
127 | ||
128 | /* | |
129 | * Read a symlink. | |
130 | */ | |
7111c66e | 131 | static __be32 |
a6beb732 | 132 | nfsd3_proc_readlink(struct svc_rqst *rqstp) |
1da177e4 | 133 | { |
a6beb732 CH |
134 | struct nfsd3_readlinkargs *argp = rqstp->rq_argp; |
135 | struct nfsd3_readlinkres *resp = rqstp->rq_resp; | |
c4d987ba | 136 | __be32 nfserr; |
1da177e4 LT |
137 | |
138 | dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh)); | |
139 | ||
140 | /* Read the symlink. */ | |
141 | fh_copy(&resp->fh, &argp->fh); | |
142 | resp->len = NFS3_MAXPATHLEN; | |
143 | nfserr = nfsd_readlink(rqstp, &resp->fh, argp->buffer, &resp->len); | |
144 | RETURN_STATUS(nfserr); | |
145 | } | |
146 | ||
147 | /* | |
148 | * Read a portion of a file. | |
149 | */ | |
7111c66e | 150 | static __be32 |
a6beb732 | 151 | nfsd3_proc_read(struct svc_rqst *rqstp) |
1da177e4 | 152 | { |
a6beb732 CH |
153 | struct nfsd3_readargs *argp = rqstp->rq_argp; |
154 | struct nfsd3_readres *resp = rqstp->rq_resp; | |
c4d987ba | 155 | __be32 nfserr; |
7adae489 | 156 | u32 max_blocksize = svc_max_payload(rqstp); |
ac503e4a | 157 | unsigned long cnt = min(argp->count, max_blocksize); |
1da177e4 | 158 | |
18b631f8 | 159 | dprintk("nfsd: READ(3) %s %lu bytes at %Lu\n", |
1da177e4 LT |
160 | SVCFH_fmt(&argp->fh), |
161 | (unsigned long) argp->count, | |
18b631f8 | 162 | (unsigned long long) argp->offset); |
1da177e4 LT |
163 | |
164 | /* Obtain buffer pointer for payload. | |
165 | * 1 (status) + 22 (post_op_attr) + 1 (count) + 1 (eof) | |
166 | * + 1 (xdr opaque byte count) = 26 | |
167 | */ | |
ac503e4a | 168 | resp->count = cnt; |
cd123012 | 169 | svc_reserve_auth(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4); |
1da177e4 LT |
170 | |
171 | fh_copy(&resp->fh, &argp->fh); | |
039a87ca | 172 | nfserr = nfsd_read(rqstp, &resp->fh, |
1da177e4 | 173 | argp->offset, |
3cc03b16 | 174 | rqstp->rq_vec, argp->vlen, |
83a63072 TM |
175 | &resp->count, |
176 | &resp->eof); | |
1da177e4 LT |
177 | RETURN_STATUS(nfserr); |
178 | } | |
179 | ||
180 | /* | |
181 | * Write data to a file | |
182 | */ | |
7111c66e | 183 | static __be32 |
a6beb732 | 184 | nfsd3_proc_write(struct svc_rqst *rqstp) |
1da177e4 | 185 | { |
a6beb732 CH |
186 | struct nfsd3_writeargs *argp = rqstp->rq_argp; |
187 | struct nfsd3_writeres *resp = rqstp->rq_resp; | |
c4d987ba | 188 | __be32 nfserr; |
31dec253 | 189 | unsigned long cnt = argp->len; |
8154ef27 | 190 | unsigned int nvecs; |
1da177e4 | 191 | |
18b631f8 | 192 | dprintk("nfsd: WRITE(3) %s %d bytes at %Lu%s\n", |
1da177e4 LT |
193 | SVCFH_fmt(&argp->fh), |
194 | argp->len, | |
18b631f8 | 195 | (unsigned long long) argp->offset, |
1da177e4 LT |
196 | argp->stable? " stable" : ""); |
197 | ||
198 | fh_copy(&resp->fh, &argp->fh); | |
199 | resp->committed = argp->stable; | |
3fd9557a CL |
200 | nvecs = svc_fill_write_vector(rqstp, rqstp->rq_arg.pages, |
201 | &argp->first, cnt); | |
8154ef27 CL |
202 | if (!nvecs) |
203 | RETURN_STATUS(nfserr_io); | |
52e380e0 | 204 | nfserr = nfsd_write(rqstp, &resp->fh, argp->offset, |
8154ef27 | 205 | rqstp->rq_vec, nvecs, &cnt, |
19e0663f | 206 | resp->committed, resp->verf); |
31dec253 | 207 | resp->count = cnt; |
1da177e4 LT |
208 | RETURN_STATUS(nfserr); |
209 | } | |
210 | ||
211 | /* | |
212 | * With NFSv3, CREATE processing is a lot easier than with NFSv2. | |
213 | * At least in theory; we'll see how it fares in practice when the | |
214 | * first reports about SunOS compatibility problems start to pour in... | |
215 | */ | |
7111c66e | 216 | static __be32 |
a6beb732 | 217 | nfsd3_proc_create(struct svc_rqst *rqstp) |
1da177e4 | 218 | { |
a6beb732 CH |
219 | struct nfsd3_createargs *argp = rqstp->rq_argp; |
220 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
1da177e4 LT |
221 | svc_fh *dirfhp, *newfhp = NULL; |
222 | struct iattr *attr; | |
c4d987ba | 223 | __be32 nfserr; |
1da177e4 LT |
224 | |
225 | dprintk("nfsd: CREATE(3) %s %.*s\n", | |
226 | SVCFH_fmt(&argp->fh), | |
227 | argp->len, | |
228 | argp->name); | |
229 | ||
230 | dirfhp = fh_copy(&resp->dirfh, &argp->fh); | |
231 | newfhp = fh_init(&resp->fh, NFS3_FHSIZE); | |
232 | attr = &argp->attrs; | |
233 | ||
1da177e4 LT |
234 | /* Unfudge the mode bits */ |
235 | attr->ia_mode &= ~S_IFMT; | |
236 | if (!(attr->ia_valid & ATTR_MODE)) { | |
237 | attr->ia_valid |= ATTR_MODE; | |
238 | attr->ia_mode = S_IFREG; | |
239 | } else { | |
240 | attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG; | |
241 | } | |
242 | ||
243 | /* Now create the file and set attributes */ | |
ac6721a1 | 244 | nfserr = do_nfsd_create(rqstp, dirfhp, argp->name, argp->len, |
1da177e4 | 245 | attr, newfhp, |
95c7a20a | 246 | argp->createmode, (u32 *)argp->verf, NULL, NULL); |
1da177e4 LT |
247 | |
248 | RETURN_STATUS(nfserr); | |
249 | } | |
250 | ||
251 | /* | |
252 | * Make directory. This operation is not idempotent. | |
253 | */ | |
7111c66e | 254 | static __be32 |
a6beb732 | 255 | nfsd3_proc_mkdir(struct svc_rqst *rqstp) |
1da177e4 | 256 | { |
a6beb732 CH |
257 | struct nfsd3_createargs *argp = rqstp->rq_argp; |
258 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
c4d987ba | 259 | __be32 nfserr; |
1da177e4 LT |
260 | |
261 | dprintk("nfsd: MKDIR(3) %s %.*s\n", | |
262 | SVCFH_fmt(&argp->fh), | |
263 | argp->len, | |
264 | argp->name); | |
265 | ||
266 | argp->attrs.ia_valid &= ~ATTR_SIZE; | |
267 | fh_copy(&resp->dirfh, &argp->fh); | |
268 | fh_init(&resp->fh, NFS3_FHSIZE); | |
269 | nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, | |
270 | &argp->attrs, S_IFDIR, 0, &resp->fh); | |
43a9aa64 | 271 | fh_unlock(&resp->dirfh); |
1da177e4 LT |
272 | RETURN_STATUS(nfserr); |
273 | } | |
274 | ||
7111c66e | 275 | static __be32 |
a6beb732 | 276 | nfsd3_proc_symlink(struct svc_rqst *rqstp) |
1da177e4 | 277 | { |
a6beb732 CH |
278 | struct nfsd3_symlinkargs *argp = rqstp->rq_argp; |
279 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
c4d987ba | 280 | __be32 nfserr; |
1da177e4 | 281 | |
38a70315 CL |
282 | if (argp->tlen == 0) |
283 | RETURN_STATUS(nfserr_inval); | |
284 | if (argp->tlen > NFS3_MAXPATHLEN) | |
285 | RETURN_STATUS(nfserr_nametoolong); | |
286 | ||
287 | argp->tname = svc_fill_symlink_pathname(rqstp, &argp->first, | |
11b4d66e | 288 | page_address(rqstp->rq_arg.pages[0]), |
38a70315 CL |
289 | argp->tlen); |
290 | if (IS_ERR(argp->tname)) | |
291 | RETURN_STATUS(nfserrno(PTR_ERR(argp->tname))); | |
292 | ||
1da177e4 LT |
293 | dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n", |
294 | SVCFH_fmt(&argp->ffh), | |
295 | argp->flen, argp->fname, | |
296 | argp->tlen, argp->tname); | |
297 | ||
298 | fh_copy(&resp->dirfh, &argp->ffh); | |
299 | fh_init(&resp->fh, NFS3_FHSIZE); | |
300 | nfserr = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, argp->flen, | |
1e444f5b | 301 | argp->tname, &resp->fh); |
11b4d66e | 302 | kfree(argp->tname); |
1da177e4 LT |
303 | RETURN_STATUS(nfserr); |
304 | } | |
305 | ||
306 | /* | |
307 | * Make socket/fifo/device. | |
308 | */ | |
7111c66e | 309 | static __be32 |
a6beb732 | 310 | nfsd3_proc_mknod(struct svc_rqst *rqstp) |
1da177e4 | 311 | { |
a6beb732 CH |
312 | struct nfsd3_mknodargs *argp = rqstp->rq_argp; |
313 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
c4d987ba AV |
314 | __be32 nfserr; |
315 | int type; | |
1da177e4 LT |
316 | dev_t rdev = 0; |
317 | ||
318 | dprintk("nfsd: MKNOD(3) %s %.*s\n", | |
319 | SVCFH_fmt(&argp->fh), | |
320 | argp->len, | |
321 | argp->name); | |
322 | ||
323 | fh_copy(&resp->dirfh, &argp->fh); | |
324 | fh_init(&resp->fh, NFS3_FHSIZE); | |
325 | ||
326 | if (argp->ftype == 0 || argp->ftype >= NF3BAD) | |
327 | RETURN_STATUS(nfserr_inval); | |
328 | if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) { | |
329 | rdev = MKDEV(argp->major, argp->minor); | |
330 | if (MAJOR(rdev) != argp->major || | |
331 | MINOR(rdev) != argp->minor) | |
332 | RETURN_STATUS(nfserr_inval); | |
333 | } else | |
334 | if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO) | |
335 | RETURN_STATUS(nfserr_inval); | |
336 | ||
337 | type = nfs3_ftypes[argp->ftype]; | |
338 | nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, | |
339 | &argp->attrs, type, rdev, &resp->fh); | |
43a9aa64 | 340 | fh_unlock(&resp->dirfh); |
1da177e4 LT |
341 | RETURN_STATUS(nfserr); |
342 | } | |
343 | ||
344 | /* | |
345 | * Remove file/fifo/socket etc. | |
346 | */ | |
7111c66e | 347 | static __be32 |
a6beb732 | 348 | nfsd3_proc_remove(struct svc_rqst *rqstp) |
1da177e4 | 349 | { |
a6beb732 CH |
350 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
351 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
c4d987ba | 352 | __be32 nfserr; |
1da177e4 LT |
353 | |
354 | dprintk("nfsd: REMOVE(3) %s %.*s\n", | |
355 | SVCFH_fmt(&argp->fh), | |
356 | argp->len, | |
357 | argp->name); | |
358 | ||
359 | /* Unlink. -S_IFDIR means file must not be a directory */ | |
360 | fh_copy(&resp->fh, &argp->fh); | |
361 | nfserr = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, argp->name, argp->len); | |
43a9aa64 | 362 | fh_unlock(&resp->fh); |
1da177e4 LT |
363 | RETURN_STATUS(nfserr); |
364 | } | |
365 | ||
366 | /* | |
367 | * Remove a directory | |
368 | */ | |
7111c66e | 369 | static __be32 |
a6beb732 | 370 | nfsd3_proc_rmdir(struct svc_rqst *rqstp) |
1da177e4 | 371 | { |
a6beb732 CH |
372 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
373 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
c4d987ba | 374 | __be32 nfserr; |
1da177e4 LT |
375 | |
376 | dprintk("nfsd: RMDIR(3) %s %.*s\n", | |
377 | SVCFH_fmt(&argp->fh), | |
378 | argp->len, | |
379 | argp->name); | |
380 | ||
381 | fh_copy(&resp->fh, &argp->fh); | |
382 | nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len); | |
43a9aa64 | 383 | fh_unlock(&resp->fh); |
1da177e4 LT |
384 | RETURN_STATUS(nfserr); |
385 | } | |
386 | ||
7111c66e | 387 | static __be32 |
a6beb732 | 388 | nfsd3_proc_rename(struct svc_rqst *rqstp) |
1da177e4 | 389 | { |
a6beb732 CH |
390 | struct nfsd3_renameargs *argp = rqstp->rq_argp; |
391 | struct nfsd3_renameres *resp = rqstp->rq_resp; | |
c4d987ba | 392 | __be32 nfserr; |
1da177e4 LT |
393 | |
394 | dprintk("nfsd: RENAME(3) %s %.*s ->\n", | |
395 | SVCFH_fmt(&argp->ffh), | |
396 | argp->flen, | |
397 | argp->fname); | |
398 | dprintk("nfsd: -> %s %.*s\n", | |
399 | SVCFH_fmt(&argp->tfh), | |
400 | argp->tlen, | |
401 | argp->tname); | |
402 | ||
403 | fh_copy(&resp->ffh, &argp->ffh); | |
404 | fh_copy(&resp->tfh, &argp->tfh); | |
405 | nfserr = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen, | |
406 | &resp->tfh, argp->tname, argp->tlen); | |
407 | RETURN_STATUS(nfserr); | |
408 | } | |
409 | ||
7111c66e | 410 | static __be32 |
a6beb732 | 411 | nfsd3_proc_link(struct svc_rqst *rqstp) |
1da177e4 | 412 | { |
a6beb732 CH |
413 | struct nfsd3_linkargs *argp = rqstp->rq_argp; |
414 | struct nfsd3_linkres *resp = rqstp->rq_resp; | |
c4d987ba | 415 | __be32 nfserr; |
1da177e4 LT |
416 | |
417 | dprintk("nfsd: LINK(3) %s ->\n", | |
418 | SVCFH_fmt(&argp->ffh)); | |
419 | dprintk("nfsd: -> %s %.*s\n", | |
420 | SVCFH_fmt(&argp->tfh), | |
421 | argp->tlen, | |
422 | argp->tname); | |
423 | ||
424 | fh_copy(&resp->fh, &argp->ffh); | |
425 | fh_copy(&resp->tfh, &argp->tfh); | |
426 | nfserr = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen, | |
427 | &resp->fh); | |
428 | RETURN_STATUS(nfserr); | |
429 | } | |
430 | ||
431 | /* | |
432 | * Read a portion of a directory. | |
433 | */ | |
7111c66e | 434 | static __be32 |
a6beb732 | 435 | nfsd3_proc_readdir(struct svc_rqst *rqstp) |
1da177e4 | 436 | { |
a6beb732 CH |
437 | struct nfsd3_readdirargs *argp = rqstp->rq_argp; |
438 | struct nfsd3_readdirres *resp = rqstp->rq_resp; | |
c4d987ba | 439 | __be32 nfserr; |
3c86794a MZ |
440 | int count = 0; |
441 | struct page **p; | |
442 | caddr_t page_addr = NULL; | |
1da177e4 LT |
443 | |
444 | dprintk("nfsd: READDIR(3) %s %d bytes at %d\n", | |
445 | SVCFH_fmt(&argp->fh), | |
446 | argp->count, (u32) argp->cookie); | |
447 | ||
448 | /* Make sure we've room for the NULL ptr & eof flag, and shrink to | |
449 | * client read size */ | |
450 | count = (argp->count >> 2) - 2; | |
451 | ||
452 | /* Read directory and encode entries on the fly */ | |
453 | fh_copy(&resp->fh, &argp->fh); | |
454 | ||
455 | resp->buflen = count; | |
456 | resp->common.err = nfs_ok; | |
457 | resp->buffer = argp->buffer; | |
458 | resp->rqstp = rqstp; | |
459 | nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie, | |
460 | &resp->common, nfs3svc_encode_entry); | |
461 | memcpy(resp->verf, argp->verf, 8); | |
3c86794a MZ |
462 | count = 0; |
463 | for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) { | |
464 | page_addr = page_address(*p); | |
465 | ||
466 | if (((caddr_t)resp->buffer >= page_addr) && | |
467 | ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) { | |
468 | count += (caddr_t)resp->buffer - page_addr; | |
469 | break; | |
470 | } | |
471 | count += PAGE_SIZE; | |
472 | } | |
473 | resp->count = count >> 2; | |
b602345d N |
474 | if (resp->offset) { |
475 | loff_t offset = argp->cookie; | |
476 | ||
477 | if (unlikely(resp->offset1)) { | |
478 | /* we ended up with offset on a page boundary */ | |
479 | *resp->offset = htonl(offset >> 32); | |
480 | *resp->offset1 = htonl(offset & 0xffffffff); | |
481 | resp->offset1 = NULL; | |
482 | } else { | |
483 | xdr_encode_hyper(resp->offset, offset); | |
484 | } | |
485 | resp->offset = NULL; | |
486 | } | |
1da177e4 LT |
487 | |
488 | RETURN_STATUS(nfserr); | |
489 | } | |
490 | ||
491 | /* | |
492 | * Read a portion of a directory, including file handles and attrs. | |
493 | * For now, we choose to ignore the dircount parameter. | |
494 | */ | |
7111c66e | 495 | static __be32 |
a6beb732 | 496 | nfsd3_proc_readdirplus(struct svc_rqst *rqstp) |
1da177e4 | 497 | { |
a6beb732 CH |
498 | struct nfsd3_readdirargs *argp = rqstp->rq_argp; |
499 | struct nfsd3_readdirres *resp = rqstp->rq_resp; | |
c4d987ba AV |
500 | __be32 nfserr; |
501 | int count = 0; | |
1da177e4 | 502 | loff_t offset; |
afc59400 | 503 | struct page **p; |
1da177e4 LT |
504 | caddr_t page_addr = NULL; |
505 | ||
506 | dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n", | |
507 | SVCFH_fmt(&argp->fh), | |
508 | argp->count, (u32) argp->cookie); | |
509 | ||
510 | /* Convert byte count to number of words (i.e. >> 2), | |
511 | * and reserve room for the NULL ptr & eof flag (-2 words) */ | |
512 | resp->count = (argp->count >> 2) - 2; | |
513 | ||
514 | /* Read directory and encode entries on the fly */ | |
515 | fh_copy(&resp->fh, &argp->fh); | |
516 | ||
517 | resp->common.err = nfs_ok; | |
518 | resp->buffer = argp->buffer; | |
519 | resp->buflen = resp->count; | |
520 | resp->rqstp = rqstp; | |
521 | offset = argp->cookie; | |
18c01ab3 RG |
522 | |
523 | nfserr = fh_verify(rqstp, &resp->fh, S_IFDIR, NFSD_MAY_NOP); | |
524 | if (nfserr) | |
525 | RETURN_STATUS(nfserr); | |
526 | ||
527 | if (resp->fh.fh_export->ex_flags & NFSEXP_NOREADDIRPLUS) | |
528 | RETURN_STATUS(nfserr_notsupp); | |
529 | ||
1da177e4 LT |
530 | nfserr = nfsd_readdir(rqstp, &resp->fh, |
531 | &offset, | |
532 | &resp->common, | |
533 | nfs3svc_encode_entry_plus); | |
534 | memcpy(resp->verf, argp->verf, 8); | |
afc59400 BF |
535 | for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) { |
536 | page_addr = page_address(*p); | |
1da177e4 LT |
537 | |
538 | if (((caddr_t)resp->buffer >= page_addr) && | |
539 | ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) { | |
540 | count += (caddr_t)resp->buffer - page_addr; | |
541 | break; | |
542 | } | |
543 | count += PAGE_SIZE; | |
544 | } | |
545 | resp->count = count >> 2; | |
546 | if (resp->offset) { | |
547 | if (unlikely(resp->offset1)) { | |
548 | /* we ended up with offset on a page boundary */ | |
549 | *resp->offset = htonl(offset >> 32); | |
550 | *resp->offset1 = htonl(offset & 0xffffffff); | |
551 | resp->offset1 = NULL; | |
552 | } else { | |
553 | xdr_encode_hyper(resp->offset, offset); | |
554 | } | |
b602345d | 555 | resp->offset = NULL; |
1da177e4 LT |
556 | } |
557 | ||
558 | RETURN_STATUS(nfserr); | |
559 | } | |
560 | ||
561 | /* | |
562 | * Get file system stats | |
563 | */ | |
7111c66e | 564 | static __be32 |
a6beb732 | 565 | nfsd3_proc_fsstat(struct svc_rqst *rqstp) |
1da177e4 | 566 | { |
a6beb732 CH |
567 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
568 | struct nfsd3_fsstatres *resp = rqstp->rq_resp; | |
c4d987ba | 569 | __be32 nfserr; |
1da177e4 LT |
570 | |
571 | dprintk("nfsd: FSSTAT(3) %s\n", | |
572 | SVCFH_fmt(&argp->fh)); | |
573 | ||
04716e66 | 574 | nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0); |
1da177e4 LT |
575 | fh_put(&argp->fh); |
576 | RETURN_STATUS(nfserr); | |
577 | } | |
578 | ||
579 | /* | |
580 | * Get file system info | |
581 | */ | |
7111c66e | 582 | static __be32 |
a6beb732 | 583 | nfsd3_proc_fsinfo(struct svc_rqst *rqstp) |
1da177e4 | 584 | { |
a6beb732 CH |
585 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
586 | struct nfsd3_fsinfores *resp = rqstp->rq_resp; | |
c4d987ba | 587 | __be32 nfserr; |
7adae489 | 588 | u32 max_blocksize = svc_max_payload(rqstp); |
1da177e4 LT |
589 | |
590 | dprintk("nfsd: FSINFO(3) %s\n", | |
591 | SVCFH_fmt(&argp->fh)); | |
592 | ||
7adae489 GB |
593 | resp->f_rtmax = max_blocksize; |
594 | resp->f_rtpref = max_blocksize; | |
1da177e4 | 595 | resp->f_rtmult = PAGE_SIZE; |
7adae489 GB |
596 | resp->f_wtmax = max_blocksize; |
597 | resp->f_wtpref = max_blocksize; | |
1da177e4 | 598 | resp->f_wtmult = PAGE_SIZE; |
f875a792 | 599 | resp->f_dtpref = max_blocksize; |
1da177e4 LT |
600 | resp->f_maxfilesize = ~(u32) 0; |
601 | resp->f_properties = NFS3_FSF_DEFAULT; | |
602 | ||
04716e66 BF |
603 | nfserr = fh_verify(rqstp, &argp->fh, 0, |
604 | NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT); | |
1da177e4 LT |
605 | |
606 | /* Check special features of the file system. May request | |
607 | * different read/write sizes for file systems known to have | |
608 | * problems with large blocks */ | |
609 | if (nfserr == 0) { | |
fc64005c | 610 | struct super_block *sb = argp->fh.fh_dentry->d_sb; |
1da177e4 LT |
611 | |
612 | /* Note that we don't care for remote fs's here */ | |
12214cb7 | 613 | if (sb->s_magic == MSDOS_SUPER_MAGIC) { |
1da177e4 LT |
614 | resp->f_properties = NFS3_FSF_BILLYBOY; |
615 | } | |
616 | resp->f_maxfilesize = sb->s_maxbytes; | |
617 | } | |
618 | ||
619 | fh_put(&argp->fh); | |
620 | RETURN_STATUS(nfserr); | |
621 | } | |
622 | ||
623 | /* | |
624 | * Get pathconf info for the specified file | |
625 | */ | |
7111c66e | 626 | static __be32 |
a6beb732 | 627 | nfsd3_proc_pathconf(struct svc_rqst *rqstp) |
1da177e4 | 628 | { |
a6beb732 CH |
629 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
630 | struct nfsd3_pathconfres *resp = rqstp->rq_resp; | |
c4d987ba | 631 | __be32 nfserr; |
1da177e4 LT |
632 | |
633 | dprintk("nfsd: PATHCONF(3) %s\n", | |
634 | SVCFH_fmt(&argp->fh)); | |
635 | ||
636 | /* Set default pathconf */ | |
637 | resp->p_link_max = 255; /* at least */ | |
638 | resp->p_name_max = 255; /* at least */ | |
639 | resp->p_no_trunc = 0; | |
640 | resp->p_chown_restricted = 1; | |
641 | resp->p_case_insensitive = 0; | |
642 | resp->p_case_preserving = 1; | |
643 | ||
8837abca | 644 | nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP); |
1da177e4 LT |
645 | |
646 | if (nfserr == 0) { | |
fc64005c | 647 | struct super_block *sb = argp->fh.fh_dentry->d_sb; |
1da177e4 LT |
648 | |
649 | /* Note that we don't care for remote fs's here */ | |
650 | switch (sb->s_magic) { | |
651 | case EXT2_SUPER_MAGIC: | |
652 | resp->p_link_max = EXT2_LINK_MAX; | |
653 | resp->p_name_max = EXT2_NAME_LEN; | |
654 | break; | |
12214cb7 | 655 | case MSDOS_SUPER_MAGIC: |
1da177e4 LT |
656 | resp->p_case_insensitive = 1; |
657 | resp->p_case_preserving = 0; | |
658 | break; | |
659 | } | |
660 | } | |
661 | ||
662 | fh_put(&argp->fh); | |
663 | RETURN_STATUS(nfserr); | |
664 | } | |
665 | ||
666 | ||
667 | /* | |
668 | * Commit a file (range) to stable storage. | |
669 | */ | |
7111c66e | 670 | static __be32 |
a6beb732 | 671 | nfsd3_proc_commit(struct svc_rqst *rqstp) |
1da177e4 | 672 | { |
a6beb732 CH |
673 | struct nfsd3_commitargs *argp = rqstp->rq_argp; |
674 | struct nfsd3_commitres *resp = rqstp->rq_resp; | |
c4d987ba | 675 | __be32 nfserr; |
1da177e4 LT |
676 | |
677 | dprintk("nfsd: COMMIT(3) %s %u@%Lu\n", | |
678 | SVCFH_fmt(&argp->fh), | |
679 | argp->count, | |
680 | (unsigned long long) argp->offset); | |
681 | ||
682 | if (argp->offset > NFS_OFFSET_MAX) | |
683 | RETURN_STATUS(nfserr_inval); | |
684 | ||
685 | fh_copy(&resp->fh, &argp->fh); | |
524ff1af TM |
686 | nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count, |
687 | resp->verf); | |
1da177e4 LT |
688 | |
689 | RETURN_STATUS(nfserr); | |
690 | } | |
691 | ||
692 | ||
693 | /* | |
694 | * NFSv3 Server procedures. | |
695 | * Only the results of non-idempotent operations are cached. | |
696 | */ | |
1da177e4 LT |
697 | #define nfs3svc_decode_fhandleargs nfs3svc_decode_fhandle |
698 | #define nfs3svc_encode_attrstatres nfs3svc_encode_attrstat | |
699 | #define nfs3svc_encode_wccstatres nfs3svc_encode_wccstat | |
700 | #define nfsd3_mkdirargs nfsd3_createargs | |
701 | #define nfsd3_readdirplusargs nfsd3_readdirargs | |
702 | #define nfsd3_fhandleargs nfsd_fhandle | |
703 | #define nfsd3_fhandleres nfsd3_attrstat | |
704 | #define nfsd3_attrstatres nfsd3_attrstat | |
705 | #define nfsd3_wccstatres nfsd3_attrstat | |
706 | #define nfsd3_createres nfsd3_diropres | |
707 | #define nfsd3_voidres nfsd3_voidargs | |
708 | struct nfsd3_voidargs { int dummy; }; | |
709 | ||
1da177e4 LT |
710 | #define ST 1 /* status*/ |
711 | #define FH 17 /* filehandle with length */ | |
712 | #define AT 21 /* attributes */ | |
713 | #define pAT (1+AT) /* post attributes - conditional */ | |
714 | #define WC (7+pAT) /* WCC attributes */ | |
715 | ||
860bda29 | 716 | static const struct svc_procedure nfsd_procedures3[22] = { |
b9081d90 | 717 | [NFS3PROC_NULL] = { |
a6beb732 | 718 | .pc_func = nfsd3_proc_null, |
63f8de37 | 719 | .pc_encode = nfs3svc_encode_voidres, |
b9081d90 YZ |
720 | .pc_argsize = sizeof(struct nfsd3_voidargs), |
721 | .pc_ressize = sizeof(struct nfsd3_voidres), | |
722 | .pc_cachetype = RC_NOCACHE, | |
723 | .pc_xdrressize = ST, | |
724 | }, | |
725 | [NFS3PROC_GETATTR] = { | |
a6beb732 | 726 | .pc_func = nfsd3_proc_getattr, |
026fec7e | 727 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 728 | .pc_encode = nfs3svc_encode_attrstatres, |
8537488b | 729 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
730 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
731 | .pc_ressize = sizeof(struct nfsd3_attrstatres), | |
732 | .pc_cachetype = RC_NOCACHE, | |
733 | .pc_xdrressize = ST+AT, | |
734 | }, | |
735 | [NFS3PROC_SETATTR] = { | |
a6beb732 | 736 | .pc_func = nfsd3_proc_setattr, |
026fec7e | 737 | .pc_decode = nfs3svc_decode_sattrargs, |
63f8de37 | 738 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 739 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
740 | .pc_argsize = sizeof(struct nfsd3_sattrargs), |
741 | .pc_ressize = sizeof(struct nfsd3_wccstatres), | |
742 | .pc_cachetype = RC_REPLBUFF, | |
743 | .pc_xdrressize = ST+WC, | |
744 | }, | |
745 | [NFS3PROC_LOOKUP] = { | |
a6beb732 | 746 | .pc_func = nfsd3_proc_lookup, |
026fec7e | 747 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 748 | .pc_encode = nfs3svc_encode_diropres, |
8537488b | 749 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
750 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
751 | .pc_ressize = sizeof(struct nfsd3_diropres), | |
752 | .pc_cachetype = RC_NOCACHE, | |
753 | .pc_xdrressize = ST+FH+pAT+pAT, | |
754 | }, | |
755 | [NFS3PROC_ACCESS] = { | |
a6beb732 | 756 | .pc_func = nfsd3_proc_access, |
026fec7e | 757 | .pc_decode = nfs3svc_decode_accessargs, |
63f8de37 | 758 | .pc_encode = nfs3svc_encode_accessres, |
8537488b | 759 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
760 | .pc_argsize = sizeof(struct nfsd3_accessargs), |
761 | .pc_ressize = sizeof(struct nfsd3_accessres), | |
762 | .pc_cachetype = RC_NOCACHE, | |
763 | .pc_xdrressize = ST+pAT+1, | |
764 | }, | |
765 | [NFS3PROC_READLINK] = { | |
a6beb732 | 766 | .pc_func = nfsd3_proc_readlink, |
026fec7e | 767 | .pc_decode = nfs3svc_decode_readlinkargs, |
63f8de37 | 768 | .pc_encode = nfs3svc_encode_readlinkres, |
8537488b | 769 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
770 | .pc_argsize = sizeof(struct nfsd3_readlinkargs), |
771 | .pc_ressize = sizeof(struct nfsd3_readlinkres), | |
772 | .pc_cachetype = RC_NOCACHE, | |
773 | .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4, | |
774 | }, | |
775 | [NFS3PROC_READ] = { | |
a6beb732 | 776 | .pc_func = nfsd3_proc_read, |
026fec7e | 777 | .pc_decode = nfs3svc_decode_readargs, |
63f8de37 | 778 | .pc_encode = nfs3svc_encode_readres, |
8537488b | 779 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
780 | .pc_argsize = sizeof(struct nfsd3_readargs), |
781 | .pc_ressize = sizeof(struct nfsd3_readres), | |
782 | .pc_cachetype = RC_NOCACHE, | |
783 | .pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4, | |
784 | }, | |
785 | [NFS3PROC_WRITE] = { | |
a6beb732 | 786 | .pc_func = nfsd3_proc_write, |
026fec7e | 787 | .pc_decode = nfs3svc_decode_writeargs, |
63f8de37 | 788 | .pc_encode = nfs3svc_encode_writeres, |
8537488b | 789 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
790 | .pc_argsize = sizeof(struct nfsd3_writeargs), |
791 | .pc_ressize = sizeof(struct nfsd3_writeres), | |
792 | .pc_cachetype = RC_REPLBUFF, | |
793 | .pc_xdrressize = ST+WC+4, | |
794 | }, | |
795 | [NFS3PROC_CREATE] = { | |
a6beb732 | 796 | .pc_func = nfsd3_proc_create, |
026fec7e | 797 | .pc_decode = nfs3svc_decode_createargs, |
63f8de37 | 798 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 799 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
800 | .pc_argsize = sizeof(struct nfsd3_createargs), |
801 | .pc_ressize = sizeof(struct nfsd3_createres), | |
802 | .pc_cachetype = RC_REPLBUFF, | |
803 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
804 | }, | |
805 | [NFS3PROC_MKDIR] = { | |
a6beb732 | 806 | .pc_func = nfsd3_proc_mkdir, |
026fec7e | 807 | .pc_decode = nfs3svc_decode_mkdirargs, |
63f8de37 | 808 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 809 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
810 | .pc_argsize = sizeof(struct nfsd3_mkdirargs), |
811 | .pc_ressize = sizeof(struct nfsd3_createres), | |
812 | .pc_cachetype = RC_REPLBUFF, | |
813 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
814 | }, | |
815 | [NFS3PROC_SYMLINK] = { | |
a6beb732 | 816 | .pc_func = nfsd3_proc_symlink, |
026fec7e | 817 | .pc_decode = nfs3svc_decode_symlinkargs, |
63f8de37 | 818 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 819 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
820 | .pc_argsize = sizeof(struct nfsd3_symlinkargs), |
821 | .pc_ressize = sizeof(struct nfsd3_createres), | |
822 | .pc_cachetype = RC_REPLBUFF, | |
823 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
824 | }, | |
825 | [NFS3PROC_MKNOD] = { | |
a6beb732 | 826 | .pc_func = nfsd3_proc_mknod, |
026fec7e | 827 | .pc_decode = nfs3svc_decode_mknodargs, |
63f8de37 | 828 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 829 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
830 | .pc_argsize = sizeof(struct nfsd3_mknodargs), |
831 | .pc_ressize = sizeof(struct nfsd3_createres), | |
832 | .pc_cachetype = RC_REPLBUFF, | |
833 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
834 | }, | |
835 | [NFS3PROC_REMOVE] = { | |
a6beb732 | 836 | .pc_func = nfsd3_proc_remove, |
026fec7e | 837 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 838 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 839 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
840 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
841 | .pc_ressize = sizeof(struct nfsd3_wccstatres), | |
842 | .pc_cachetype = RC_REPLBUFF, | |
843 | .pc_xdrressize = ST+WC, | |
844 | }, | |
845 | [NFS3PROC_RMDIR] = { | |
a6beb732 | 846 | .pc_func = nfsd3_proc_rmdir, |
026fec7e | 847 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 848 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 849 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
850 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
851 | .pc_ressize = sizeof(struct nfsd3_wccstatres), | |
852 | .pc_cachetype = RC_REPLBUFF, | |
853 | .pc_xdrressize = ST+WC, | |
854 | }, | |
855 | [NFS3PROC_RENAME] = { | |
a6beb732 | 856 | .pc_func = nfsd3_proc_rename, |
026fec7e | 857 | .pc_decode = nfs3svc_decode_renameargs, |
63f8de37 | 858 | .pc_encode = nfs3svc_encode_renameres, |
8537488b | 859 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
860 | .pc_argsize = sizeof(struct nfsd3_renameargs), |
861 | .pc_ressize = sizeof(struct nfsd3_renameres), | |
862 | .pc_cachetype = RC_REPLBUFF, | |
863 | .pc_xdrressize = ST+WC+WC, | |
864 | }, | |
865 | [NFS3PROC_LINK] = { | |
a6beb732 | 866 | .pc_func = nfsd3_proc_link, |
026fec7e | 867 | .pc_decode = nfs3svc_decode_linkargs, |
63f8de37 | 868 | .pc_encode = nfs3svc_encode_linkres, |
8537488b | 869 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
870 | .pc_argsize = sizeof(struct nfsd3_linkargs), |
871 | .pc_ressize = sizeof(struct nfsd3_linkres), | |
872 | .pc_cachetype = RC_REPLBUFF, | |
873 | .pc_xdrressize = ST+pAT+WC, | |
874 | }, | |
875 | [NFS3PROC_READDIR] = { | |
a6beb732 | 876 | .pc_func = nfsd3_proc_readdir, |
026fec7e | 877 | .pc_decode = nfs3svc_decode_readdirargs, |
63f8de37 | 878 | .pc_encode = nfs3svc_encode_readdirres, |
8537488b | 879 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
880 | .pc_argsize = sizeof(struct nfsd3_readdirargs), |
881 | .pc_ressize = sizeof(struct nfsd3_readdirres), | |
882 | .pc_cachetype = RC_NOCACHE, | |
883 | }, | |
884 | [NFS3PROC_READDIRPLUS] = { | |
a6beb732 | 885 | .pc_func = nfsd3_proc_readdirplus, |
026fec7e | 886 | .pc_decode = nfs3svc_decode_readdirplusargs, |
63f8de37 | 887 | .pc_encode = nfs3svc_encode_readdirres, |
8537488b | 888 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
889 | .pc_argsize = sizeof(struct nfsd3_readdirplusargs), |
890 | .pc_ressize = sizeof(struct nfsd3_readdirres), | |
891 | .pc_cachetype = RC_NOCACHE, | |
892 | }, | |
893 | [NFS3PROC_FSSTAT] = { | |
a6beb732 | 894 | .pc_func = nfsd3_proc_fsstat, |
026fec7e | 895 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 896 | .pc_encode = nfs3svc_encode_fsstatres, |
b9081d90 YZ |
897 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
898 | .pc_ressize = sizeof(struct nfsd3_fsstatres), | |
899 | .pc_cachetype = RC_NOCACHE, | |
900 | .pc_xdrressize = ST+pAT+2*6+1, | |
901 | }, | |
902 | [NFS3PROC_FSINFO] = { | |
a6beb732 | 903 | .pc_func = nfsd3_proc_fsinfo, |
026fec7e | 904 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 905 | .pc_encode = nfs3svc_encode_fsinfores, |
b9081d90 YZ |
906 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
907 | .pc_ressize = sizeof(struct nfsd3_fsinfores), | |
908 | .pc_cachetype = RC_NOCACHE, | |
909 | .pc_xdrressize = ST+pAT+12, | |
910 | }, | |
911 | [NFS3PROC_PATHCONF] = { | |
a6beb732 | 912 | .pc_func = nfsd3_proc_pathconf, |
026fec7e | 913 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 914 | .pc_encode = nfs3svc_encode_pathconfres, |
b9081d90 YZ |
915 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
916 | .pc_ressize = sizeof(struct nfsd3_pathconfres), | |
917 | .pc_cachetype = RC_NOCACHE, | |
918 | .pc_xdrressize = ST+pAT+6, | |
919 | }, | |
920 | [NFS3PROC_COMMIT] = { | |
a6beb732 | 921 | .pc_func = nfsd3_proc_commit, |
026fec7e | 922 | .pc_decode = nfs3svc_decode_commitargs, |
63f8de37 | 923 | .pc_encode = nfs3svc_encode_commitres, |
8537488b | 924 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
925 | .pc_argsize = sizeof(struct nfsd3_commitargs), |
926 | .pc_ressize = sizeof(struct nfsd3_commitres), | |
927 | .pc_cachetype = RC_NOCACHE, | |
928 | .pc_xdrressize = ST+WC+2, | |
929 | }, | |
1da177e4 LT |
930 | }; |
931 | ||
7fd38af9 | 932 | static unsigned int nfsd_count3[ARRAY_SIZE(nfsd_procedures3)]; |
e9679189 CH |
933 | const struct svc_version nfsd_version3 = { |
934 | .vs_vers = 3, | |
935 | .vs_nproc = 22, | |
936 | .vs_proc = nfsd_procedures3, | |
937 | .vs_dispatch = nfsd_dispatch, | |
938 | .vs_count = nfsd_count3, | |
939 | .vs_xdrsize = NFS3_SVC_XDRSIZE, | |
1da177e4 | 940 | }; |