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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, |
1da177e4 LT |
175 | &resp->count); |
176 | if (nfserr == 0) { | |
2b0143b5 | 177 | struct inode *inode = d_inode(resp->fh.fh_dentry); |
ac503e4a BC |
178 | resp->eof = nfsd_eof_on_read(cnt, resp->count, argp->offset, |
179 | inode->i_size); | |
1da177e4 LT |
180 | } |
181 | ||
182 | RETURN_STATUS(nfserr); | |
183 | } | |
184 | ||
185 | /* | |
186 | * Write data to a file | |
187 | */ | |
7111c66e | 188 | static __be32 |
a6beb732 | 189 | nfsd3_proc_write(struct svc_rqst *rqstp) |
1da177e4 | 190 | { |
a6beb732 CH |
191 | struct nfsd3_writeargs *argp = rqstp->rq_argp; |
192 | struct nfsd3_writeres *resp = rqstp->rq_resp; | |
c4d987ba | 193 | __be32 nfserr; |
31dec253 | 194 | unsigned long cnt = argp->len; |
8154ef27 | 195 | unsigned int nvecs; |
1da177e4 | 196 | |
18b631f8 | 197 | dprintk("nfsd: WRITE(3) %s %d bytes at %Lu%s\n", |
1da177e4 LT |
198 | SVCFH_fmt(&argp->fh), |
199 | argp->len, | |
18b631f8 | 200 | (unsigned long long) argp->offset, |
1da177e4 LT |
201 | argp->stable? " stable" : ""); |
202 | ||
203 | fh_copy(&resp->fh, &argp->fh); | |
204 | resp->committed = argp->stable; | |
3fd9557a CL |
205 | nvecs = svc_fill_write_vector(rqstp, rqstp->rq_arg.pages, |
206 | &argp->first, cnt); | |
8154ef27 CL |
207 | if (!nvecs) |
208 | RETURN_STATUS(nfserr_io); | |
52e380e0 | 209 | nfserr = nfsd_write(rqstp, &resp->fh, argp->offset, |
8154ef27 CL |
210 | rqstp->rq_vec, nvecs, &cnt, |
211 | resp->committed); | |
31dec253 | 212 | resp->count = cnt; |
1da177e4 LT |
213 | RETURN_STATUS(nfserr); |
214 | } | |
215 | ||
216 | /* | |
217 | * With NFSv3, CREATE processing is a lot easier than with NFSv2. | |
218 | * At least in theory; we'll see how it fares in practice when the | |
219 | * first reports about SunOS compatibility problems start to pour in... | |
220 | */ | |
7111c66e | 221 | static __be32 |
a6beb732 | 222 | nfsd3_proc_create(struct svc_rqst *rqstp) |
1da177e4 | 223 | { |
a6beb732 CH |
224 | struct nfsd3_createargs *argp = rqstp->rq_argp; |
225 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
1da177e4 LT |
226 | svc_fh *dirfhp, *newfhp = NULL; |
227 | struct iattr *attr; | |
c4d987ba | 228 | __be32 nfserr; |
1da177e4 LT |
229 | |
230 | dprintk("nfsd: CREATE(3) %s %.*s\n", | |
231 | SVCFH_fmt(&argp->fh), | |
232 | argp->len, | |
233 | argp->name); | |
234 | ||
235 | dirfhp = fh_copy(&resp->dirfh, &argp->fh); | |
236 | newfhp = fh_init(&resp->fh, NFS3_FHSIZE); | |
237 | attr = &argp->attrs; | |
238 | ||
1da177e4 LT |
239 | /* Unfudge the mode bits */ |
240 | attr->ia_mode &= ~S_IFMT; | |
241 | if (!(attr->ia_valid & ATTR_MODE)) { | |
242 | attr->ia_valid |= ATTR_MODE; | |
243 | attr->ia_mode = S_IFREG; | |
244 | } else { | |
245 | attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG; | |
246 | } | |
247 | ||
248 | /* Now create the file and set attributes */ | |
ac6721a1 | 249 | nfserr = do_nfsd_create(rqstp, dirfhp, argp->name, argp->len, |
1da177e4 | 250 | attr, newfhp, |
95c7a20a | 251 | argp->createmode, (u32 *)argp->verf, NULL, NULL); |
1da177e4 LT |
252 | |
253 | RETURN_STATUS(nfserr); | |
254 | } | |
255 | ||
256 | /* | |
257 | * Make directory. This operation is not idempotent. | |
258 | */ | |
7111c66e | 259 | static __be32 |
a6beb732 | 260 | nfsd3_proc_mkdir(struct svc_rqst *rqstp) |
1da177e4 | 261 | { |
a6beb732 CH |
262 | struct nfsd3_createargs *argp = rqstp->rq_argp; |
263 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
c4d987ba | 264 | __be32 nfserr; |
1da177e4 LT |
265 | |
266 | dprintk("nfsd: MKDIR(3) %s %.*s\n", | |
267 | SVCFH_fmt(&argp->fh), | |
268 | argp->len, | |
269 | argp->name); | |
270 | ||
271 | argp->attrs.ia_valid &= ~ATTR_SIZE; | |
272 | fh_copy(&resp->dirfh, &argp->fh); | |
273 | fh_init(&resp->fh, NFS3_FHSIZE); | |
274 | nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, | |
275 | &argp->attrs, S_IFDIR, 0, &resp->fh); | |
43a9aa64 | 276 | fh_unlock(&resp->dirfh); |
1da177e4 LT |
277 | RETURN_STATUS(nfserr); |
278 | } | |
279 | ||
7111c66e | 280 | static __be32 |
a6beb732 | 281 | nfsd3_proc_symlink(struct svc_rqst *rqstp) |
1da177e4 | 282 | { |
a6beb732 CH |
283 | struct nfsd3_symlinkargs *argp = rqstp->rq_argp; |
284 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
c4d987ba | 285 | __be32 nfserr; |
1da177e4 | 286 | |
38a70315 CL |
287 | if (argp->tlen == 0) |
288 | RETURN_STATUS(nfserr_inval); | |
289 | if (argp->tlen > NFS3_MAXPATHLEN) | |
290 | RETURN_STATUS(nfserr_nametoolong); | |
291 | ||
292 | argp->tname = svc_fill_symlink_pathname(rqstp, &argp->first, | |
11b4d66e | 293 | page_address(rqstp->rq_arg.pages[0]), |
38a70315 CL |
294 | argp->tlen); |
295 | if (IS_ERR(argp->tname)) | |
296 | RETURN_STATUS(nfserrno(PTR_ERR(argp->tname))); | |
297 | ||
1da177e4 LT |
298 | dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n", |
299 | SVCFH_fmt(&argp->ffh), | |
300 | argp->flen, argp->fname, | |
301 | argp->tlen, argp->tname); | |
302 | ||
303 | fh_copy(&resp->dirfh, &argp->ffh); | |
304 | fh_init(&resp->fh, NFS3_FHSIZE); | |
305 | nfserr = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, argp->flen, | |
1e444f5b | 306 | argp->tname, &resp->fh); |
11b4d66e | 307 | kfree(argp->tname); |
1da177e4 LT |
308 | RETURN_STATUS(nfserr); |
309 | } | |
310 | ||
311 | /* | |
312 | * Make socket/fifo/device. | |
313 | */ | |
7111c66e | 314 | static __be32 |
a6beb732 | 315 | nfsd3_proc_mknod(struct svc_rqst *rqstp) |
1da177e4 | 316 | { |
a6beb732 CH |
317 | struct nfsd3_mknodargs *argp = rqstp->rq_argp; |
318 | struct nfsd3_diropres *resp = rqstp->rq_resp; | |
c4d987ba AV |
319 | __be32 nfserr; |
320 | int type; | |
1da177e4 LT |
321 | dev_t rdev = 0; |
322 | ||
323 | dprintk("nfsd: MKNOD(3) %s %.*s\n", | |
324 | SVCFH_fmt(&argp->fh), | |
325 | argp->len, | |
326 | argp->name); | |
327 | ||
328 | fh_copy(&resp->dirfh, &argp->fh); | |
329 | fh_init(&resp->fh, NFS3_FHSIZE); | |
330 | ||
331 | if (argp->ftype == 0 || argp->ftype >= NF3BAD) | |
332 | RETURN_STATUS(nfserr_inval); | |
333 | if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) { | |
334 | rdev = MKDEV(argp->major, argp->minor); | |
335 | if (MAJOR(rdev) != argp->major || | |
336 | MINOR(rdev) != argp->minor) | |
337 | RETURN_STATUS(nfserr_inval); | |
338 | } else | |
339 | if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO) | |
340 | RETURN_STATUS(nfserr_inval); | |
341 | ||
342 | type = nfs3_ftypes[argp->ftype]; | |
343 | nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len, | |
344 | &argp->attrs, type, rdev, &resp->fh); | |
43a9aa64 | 345 | fh_unlock(&resp->dirfh); |
1da177e4 LT |
346 | RETURN_STATUS(nfserr); |
347 | } | |
348 | ||
349 | /* | |
350 | * Remove file/fifo/socket etc. | |
351 | */ | |
7111c66e | 352 | static __be32 |
a6beb732 | 353 | nfsd3_proc_remove(struct svc_rqst *rqstp) |
1da177e4 | 354 | { |
a6beb732 CH |
355 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
356 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
c4d987ba | 357 | __be32 nfserr; |
1da177e4 LT |
358 | |
359 | dprintk("nfsd: REMOVE(3) %s %.*s\n", | |
360 | SVCFH_fmt(&argp->fh), | |
361 | argp->len, | |
362 | argp->name); | |
363 | ||
364 | /* Unlink. -S_IFDIR means file must not be a directory */ | |
365 | fh_copy(&resp->fh, &argp->fh); | |
366 | nfserr = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, argp->name, argp->len); | |
43a9aa64 | 367 | fh_unlock(&resp->fh); |
1da177e4 LT |
368 | RETURN_STATUS(nfserr); |
369 | } | |
370 | ||
371 | /* | |
372 | * Remove a directory | |
373 | */ | |
7111c66e | 374 | static __be32 |
a6beb732 | 375 | nfsd3_proc_rmdir(struct svc_rqst *rqstp) |
1da177e4 | 376 | { |
a6beb732 CH |
377 | struct nfsd3_diropargs *argp = rqstp->rq_argp; |
378 | struct nfsd3_attrstat *resp = rqstp->rq_resp; | |
c4d987ba | 379 | __be32 nfserr; |
1da177e4 LT |
380 | |
381 | dprintk("nfsd: RMDIR(3) %s %.*s\n", | |
382 | SVCFH_fmt(&argp->fh), | |
383 | argp->len, | |
384 | argp->name); | |
385 | ||
386 | fh_copy(&resp->fh, &argp->fh); | |
387 | nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len); | |
43a9aa64 | 388 | fh_unlock(&resp->fh); |
1da177e4 LT |
389 | RETURN_STATUS(nfserr); |
390 | } | |
391 | ||
7111c66e | 392 | static __be32 |
a6beb732 | 393 | nfsd3_proc_rename(struct svc_rqst *rqstp) |
1da177e4 | 394 | { |
a6beb732 CH |
395 | struct nfsd3_renameargs *argp = rqstp->rq_argp; |
396 | struct nfsd3_renameres *resp = rqstp->rq_resp; | |
c4d987ba | 397 | __be32 nfserr; |
1da177e4 LT |
398 | |
399 | dprintk("nfsd: RENAME(3) %s %.*s ->\n", | |
400 | SVCFH_fmt(&argp->ffh), | |
401 | argp->flen, | |
402 | argp->fname); | |
403 | dprintk("nfsd: -> %s %.*s\n", | |
404 | SVCFH_fmt(&argp->tfh), | |
405 | argp->tlen, | |
406 | argp->tname); | |
407 | ||
408 | fh_copy(&resp->ffh, &argp->ffh); | |
409 | fh_copy(&resp->tfh, &argp->tfh); | |
410 | nfserr = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen, | |
411 | &resp->tfh, argp->tname, argp->tlen); | |
412 | RETURN_STATUS(nfserr); | |
413 | } | |
414 | ||
7111c66e | 415 | static __be32 |
a6beb732 | 416 | nfsd3_proc_link(struct svc_rqst *rqstp) |
1da177e4 | 417 | { |
a6beb732 CH |
418 | struct nfsd3_linkargs *argp = rqstp->rq_argp; |
419 | struct nfsd3_linkres *resp = rqstp->rq_resp; | |
c4d987ba | 420 | __be32 nfserr; |
1da177e4 LT |
421 | |
422 | dprintk("nfsd: LINK(3) %s ->\n", | |
423 | SVCFH_fmt(&argp->ffh)); | |
424 | dprintk("nfsd: -> %s %.*s\n", | |
425 | SVCFH_fmt(&argp->tfh), | |
426 | argp->tlen, | |
427 | argp->tname); | |
428 | ||
429 | fh_copy(&resp->fh, &argp->ffh); | |
430 | fh_copy(&resp->tfh, &argp->tfh); | |
431 | nfserr = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen, | |
432 | &resp->fh); | |
433 | RETURN_STATUS(nfserr); | |
434 | } | |
435 | ||
436 | /* | |
437 | * Read a portion of a directory. | |
438 | */ | |
7111c66e | 439 | static __be32 |
a6beb732 | 440 | nfsd3_proc_readdir(struct svc_rqst *rqstp) |
1da177e4 | 441 | { |
a6beb732 CH |
442 | struct nfsd3_readdirargs *argp = rqstp->rq_argp; |
443 | struct nfsd3_readdirres *resp = rqstp->rq_resp; | |
c4d987ba | 444 | __be32 nfserr; |
3c86794a MZ |
445 | int count = 0; |
446 | struct page **p; | |
447 | caddr_t page_addr = NULL; | |
1da177e4 LT |
448 | |
449 | dprintk("nfsd: READDIR(3) %s %d bytes at %d\n", | |
450 | SVCFH_fmt(&argp->fh), | |
451 | argp->count, (u32) argp->cookie); | |
452 | ||
453 | /* Make sure we've room for the NULL ptr & eof flag, and shrink to | |
454 | * client read size */ | |
455 | count = (argp->count >> 2) - 2; | |
456 | ||
457 | /* Read directory and encode entries on the fly */ | |
458 | fh_copy(&resp->fh, &argp->fh); | |
459 | ||
460 | resp->buflen = count; | |
461 | resp->common.err = nfs_ok; | |
462 | resp->buffer = argp->buffer; | |
463 | resp->rqstp = rqstp; | |
464 | nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie, | |
465 | &resp->common, nfs3svc_encode_entry); | |
466 | memcpy(resp->verf, argp->verf, 8); | |
3c86794a MZ |
467 | count = 0; |
468 | for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) { | |
469 | page_addr = page_address(*p); | |
470 | ||
471 | if (((caddr_t)resp->buffer >= page_addr) && | |
472 | ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) { | |
473 | count += (caddr_t)resp->buffer - page_addr; | |
474 | break; | |
475 | } | |
476 | count += PAGE_SIZE; | |
477 | } | |
478 | resp->count = count >> 2; | |
b602345d N |
479 | if (resp->offset) { |
480 | loff_t offset = argp->cookie; | |
481 | ||
482 | if (unlikely(resp->offset1)) { | |
483 | /* we ended up with offset on a page boundary */ | |
484 | *resp->offset = htonl(offset >> 32); | |
485 | *resp->offset1 = htonl(offset & 0xffffffff); | |
486 | resp->offset1 = NULL; | |
487 | } else { | |
488 | xdr_encode_hyper(resp->offset, offset); | |
489 | } | |
490 | resp->offset = NULL; | |
491 | } | |
1da177e4 LT |
492 | |
493 | RETURN_STATUS(nfserr); | |
494 | } | |
495 | ||
496 | /* | |
497 | * Read a portion of a directory, including file handles and attrs. | |
498 | * For now, we choose to ignore the dircount parameter. | |
499 | */ | |
7111c66e | 500 | static __be32 |
a6beb732 | 501 | nfsd3_proc_readdirplus(struct svc_rqst *rqstp) |
1da177e4 | 502 | { |
a6beb732 CH |
503 | struct nfsd3_readdirargs *argp = rqstp->rq_argp; |
504 | struct nfsd3_readdirres *resp = rqstp->rq_resp; | |
c4d987ba AV |
505 | __be32 nfserr; |
506 | int count = 0; | |
1da177e4 | 507 | loff_t offset; |
afc59400 | 508 | struct page **p; |
1da177e4 LT |
509 | caddr_t page_addr = NULL; |
510 | ||
511 | dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n", | |
512 | SVCFH_fmt(&argp->fh), | |
513 | argp->count, (u32) argp->cookie); | |
514 | ||
515 | /* Convert byte count to number of words (i.e. >> 2), | |
516 | * and reserve room for the NULL ptr & eof flag (-2 words) */ | |
517 | resp->count = (argp->count >> 2) - 2; | |
518 | ||
519 | /* Read directory and encode entries on the fly */ | |
520 | fh_copy(&resp->fh, &argp->fh); | |
521 | ||
522 | resp->common.err = nfs_ok; | |
523 | resp->buffer = argp->buffer; | |
524 | resp->buflen = resp->count; | |
525 | resp->rqstp = rqstp; | |
526 | offset = argp->cookie; | |
18c01ab3 RG |
527 | |
528 | nfserr = fh_verify(rqstp, &resp->fh, S_IFDIR, NFSD_MAY_NOP); | |
529 | if (nfserr) | |
530 | RETURN_STATUS(nfserr); | |
531 | ||
532 | if (resp->fh.fh_export->ex_flags & NFSEXP_NOREADDIRPLUS) | |
533 | RETURN_STATUS(nfserr_notsupp); | |
534 | ||
1da177e4 LT |
535 | nfserr = nfsd_readdir(rqstp, &resp->fh, |
536 | &offset, | |
537 | &resp->common, | |
538 | nfs3svc_encode_entry_plus); | |
539 | memcpy(resp->verf, argp->verf, 8); | |
afc59400 BF |
540 | for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) { |
541 | page_addr = page_address(*p); | |
1da177e4 LT |
542 | |
543 | if (((caddr_t)resp->buffer >= page_addr) && | |
544 | ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) { | |
545 | count += (caddr_t)resp->buffer - page_addr; | |
546 | break; | |
547 | } | |
548 | count += PAGE_SIZE; | |
549 | } | |
550 | resp->count = count >> 2; | |
551 | if (resp->offset) { | |
552 | if (unlikely(resp->offset1)) { | |
553 | /* we ended up with offset on a page boundary */ | |
554 | *resp->offset = htonl(offset >> 32); | |
555 | *resp->offset1 = htonl(offset & 0xffffffff); | |
556 | resp->offset1 = NULL; | |
557 | } else { | |
558 | xdr_encode_hyper(resp->offset, offset); | |
559 | } | |
b602345d | 560 | resp->offset = NULL; |
1da177e4 LT |
561 | } |
562 | ||
563 | RETURN_STATUS(nfserr); | |
564 | } | |
565 | ||
566 | /* | |
567 | * Get file system stats | |
568 | */ | |
7111c66e | 569 | static __be32 |
a6beb732 | 570 | nfsd3_proc_fsstat(struct svc_rqst *rqstp) |
1da177e4 | 571 | { |
a6beb732 CH |
572 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
573 | struct nfsd3_fsstatres *resp = rqstp->rq_resp; | |
c4d987ba | 574 | __be32 nfserr; |
1da177e4 LT |
575 | |
576 | dprintk("nfsd: FSSTAT(3) %s\n", | |
577 | SVCFH_fmt(&argp->fh)); | |
578 | ||
04716e66 | 579 | nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0); |
1da177e4 LT |
580 | fh_put(&argp->fh); |
581 | RETURN_STATUS(nfserr); | |
582 | } | |
583 | ||
584 | /* | |
585 | * Get file system info | |
586 | */ | |
7111c66e | 587 | static __be32 |
a6beb732 | 588 | nfsd3_proc_fsinfo(struct svc_rqst *rqstp) |
1da177e4 | 589 | { |
a6beb732 CH |
590 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
591 | struct nfsd3_fsinfores *resp = rqstp->rq_resp; | |
c4d987ba | 592 | __be32 nfserr; |
7adae489 | 593 | u32 max_blocksize = svc_max_payload(rqstp); |
1da177e4 LT |
594 | |
595 | dprintk("nfsd: FSINFO(3) %s\n", | |
596 | SVCFH_fmt(&argp->fh)); | |
597 | ||
7adae489 GB |
598 | resp->f_rtmax = max_blocksize; |
599 | resp->f_rtpref = max_blocksize; | |
1da177e4 | 600 | resp->f_rtmult = PAGE_SIZE; |
7adae489 GB |
601 | resp->f_wtmax = max_blocksize; |
602 | resp->f_wtpref = max_blocksize; | |
1da177e4 | 603 | resp->f_wtmult = PAGE_SIZE; |
f875a792 | 604 | resp->f_dtpref = max_blocksize; |
1da177e4 LT |
605 | resp->f_maxfilesize = ~(u32) 0; |
606 | resp->f_properties = NFS3_FSF_DEFAULT; | |
607 | ||
04716e66 BF |
608 | nfserr = fh_verify(rqstp, &argp->fh, 0, |
609 | NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT); | |
1da177e4 LT |
610 | |
611 | /* Check special features of the file system. May request | |
612 | * different read/write sizes for file systems known to have | |
613 | * problems with large blocks */ | |
614 | if (nfserr == 0) { | |
fc64005c | 615 | struct super_block *sb = argp->fh.fh_dentry->d_sb; |
1da177e4 LT |
616 | |
617 | /* Note that we don't care for remote fs's here */ | |
12214cb7 | 618 | if (sb->s_magic == MSDOS_SUPER_MAGIC) { |
1da177e4 LT |
619 | resp->f_properties = NFS3_FSF_BILLYBOY; |
620 | } | |
621 | resp->f_maxfilesize = sb->s_maxbytes; | |
622 | } | |
623 | ||
624 | fh_put(&argp->fh); | |
625 | RETURN_STATUS(nfserr); | |
626 | } | |
627 | ||
628 | /* | |
629 | * Get pathconf info for the specified file | |
630 | */ | |
7111c66e | 631 | static __be32 |
a6beb732 | 632 | nfsd3_proc_pathconf(struct svc_rqst *rqstp) |
1da177e4 | 633 | { |
a6beb732 CH |
634 | struct nfsd_fhandle *argp = rqstp->rq_argp; |
635 | struct nfsd3_pathconfres *resp = rqstp->rq_resp; | |
c4d987ba | 636 | __be32 nfserr; |
1da177e4 LT |
637 | |
638 | dprintk("nfsd: PATHCONF(3) %s\n", | |
639 | SVCFH_fmt(&argp->fh)); | |
640 | ||
641 | /* Set default pathconf */ | |
642 | resp->p_link_max = 255; /* at least */ | |
643 | resp->p_name_max = 255; /* at least */ | |
644 | resp->p_no_trunc = 0; | |
645 | resp->p_chown_restricted = 1; | |
646 | resp->p_case_insensitive = 0; | |
647 | resp->p_case_preserving = 1; | |
648 | ||
8837abca | 649 | nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP); |
1da177e4 LT |
650 | |
651 | if (nfserr == 0) { | |
fc64005c | 652 | struct super_block *sb = argp->fh.fh_dentry->d_sb; |
1da177e4 LT |
653 | |
654 | /* Note that we don't care for remote fs's here */ | |
655 | switch (sb->s_magic) { | |
656 | case EXT2_SUPER_MAGIC: | |
657 | resp->p_link_max = EXT2_LINK_MAX; | |
658 | resp->p_name_max = EXT2_NAME_LEN; | |
659 | break; | |
12214cb7 | 660 | case MSDOS_SUPER_MAGIC: |
1da177e4 LT |
661 | resp->p_case_insensitive = 1; |
662 | resp->p_case_preserving = 0; | |
663 | break; | |
664 | } | |
665 | } | |
666 | ||
667 | fh_put(&argp->fh); | |
668 | RETURN_STATUS(nfserr); | |
669 | } | |
670 | ||
671 | ||
672 | /* | |
673 | * Commit a file (range) to stable storage. | |
674 | */ | |
7111c66e | 675 | static __be32 |
a6beb732 | 676 | nfsd3_proc_commit(struct svc_rqst *rqstp) |
1da177e4 | 677 | { |
a6beb732 CH |
678 | struct nfsd3_commitargs *argp = rqstp->rq_argp; |
679 | struct nfsd3_commitres *resp = rqstp->rq_resp; | |
c4d987ba | 680 | __be32 nfserr; |
1da177e4 LT |
681 | |
682 | dprintk("nfsd: COMMIT(3) %s %u@%Lu\n", | |
683 | SVCFH_fmt(&argp->fh), | |
684 | argp->count, | |
685 | (unsigned long long) argp->offset); | |
686 | ||
687 | if (argp->offset > NFS_OFFSET_MAX) | |
688 | RETURN_STATUS(nfserr_inval); | |
689 | ||
690 | fh_copy(&resp->fh, &argp->fh); | |
691 | nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count); | |
692 | ||
693 | RETURN_STATUS(nfserr); | |
694 | } | |
695 | ||
696 | ||
697 | /* | |
698 | * NFSv3 Server procedures. | |
699 | * Only the results of non-idempotent operations are cached. | |
700 | */ | |
1da177e4 LT |
701 | #define nfs3svc_decode_fhandleargs nfs3svc_decode_fhandle |
702 | #define nfs3svc_encode_attrstatres nfs3svc_encode_attrstat | |
703 | #define nfs3svc_encode_wccstatres nfs3svc_encode_wccstat | |
704 | #define nfsd3_mkdirargs nfsd3_createargs | |
705 | #define nfsd3_readdirplusargs nfsd3_readdirargs | |
706 | #define nfsd3_fhandleargs nfsd_fhandle | |
707 | #define nfsd3_fhandleres nfsd3_attrstat | |
708 | #define nfsd3_attrstatres nfsd3_attrstat | |
709 | #define nfsd3_wccstatres nfsd3_attrstat | |
710 | #define nfsd3_createres nfsd3_diropres | |
711 | #define nfsd3_voidres nfsd3_voidargs | |
712 | struct nfsd3_voidargs { int dummy; }; | |
713 | ||
1da177e4 LT |
714 | #define ST 1 /* status*/ |
715 | #define FH 17 /* filehandle with length */ | |
716 | #define AT 21 /* attributes */ | |
717 | #define pAT (1+AT) /* post attributes - conditional */ | |
718 | #define WC (7+pAT) /* WCC attributes */ | |
719 | ||
860bda29 | 720 | static const struct svc_procedure nfsd_procedures3[22] = { |
b9081d90 | 721 | [NFS3PROC_NULL] = { |
a6beb732 | 722 | .pc_func = nfsd3_proc_null, |
63f8de37 | 723 | .pc_encode = nfs3svc_encode_voidres, |
b9081d90 YZ |
724 | .pc_argsize = sizeof(struct nfsd3_voidargs), |
725 | .pc_ressize = sizeof(struct nfsd3_voidres), | |
726 | .pc_cachetype = RC_NOCACHE, | |
727 | .pc_xdrressize = ST, | |
728 | }, | |
729 | [NFS3PROC_GETATTR] = { | |
a6beb732 | 730 | .pc_func = nfsd3_proc_getattr, |
026fec7e | 731 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 732 | .pc_encode = nfs3svc_encode_attrstatres, |
8537488b | 733 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
734 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
735 | .pc_ressize = sizeof(struct nfsd3_attrstatres), | |
736 | .pc_cachetype = RC_NOCACHE, | |
737 | .pc_xdrressize = ST+AT, | |
738 | }, | |
739 | [NFS3PROC_SETATTR] = { | |
a6beb732 | 740 | .pc_func = nfsd3_proc_setattr, |
026fec7e | 741 | .pc_decode = nfs3svc_decode_sattrargs, |
63f8de37 | 742 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 743 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
744 | .pc_argsize = sizeof(struct nfsd3_sattrargs), |
745 | .pc_ressize = sizeof(struct nfsd3_wccstatres), | |
746 | .pc_cachetype = RC_REPLBUFF, | |
747 | .pc_xdrressize = ST+WC, | |
748 | }, | |
749 | [NFS3PROC_LOOKUP] = { | |
a6beb732 | 750 | .pc_func = nfsd3_proc_lookup, |
026fec7e | 751 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 752 | .pc_encode = nfs3svc_encode_diropres, |
8537488b | 753 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
754 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
755 | .pc_ressize = sizeof(struct nfsd3_diropres), | |
756 | .pc_cachetype = RC_NOCACHE, | |
757 | .pc_xdrressize = ST+FH+pAT+pAT, | |
758 | }, | |
759 | [NFS3PROC_ACCESS] = { | |
a6beb732 | 760 | .pc_func = nfsd3_proc_access, |
026fec7e | 761 | .pc_decode = nfs3svc_decode_accessargs, |
63f8de37 | 762 | .pc_encode = nfs3svc_encode_accessres, |
8537488b | 763 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
764 | .pc_argsize = sizeof(struct nfsd3_accessargs), |
765 | .pc_ressize = sizeof(struct nfsd3_accessres), | |
766 | .pc_cachetype = RC_NOCACHE, | |
767 | .pc_xdrressize = ST+pAT+1, | |
768 | }, | |
769 | [NFS3PROC_READLINK] = { | |
a6beb732 | 770 | .pc_func = nfsd3_proc_readlink, |
026fec7e | 771 | .pc_decode = nfs3svc_decode_readlinkargs, |
63f8de37 | 772 | .pc_encode = nfs3svc_encode_readlinkres, |
8537488b | 773 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
774 | .pc_argsize = sizeof(struct nfsd3_readlinkargs), |
775 | .pc_ressize = sizeof(struct nfsd3_readlinkres), | |
776 | .pc_cachetype = RC_NOCACHE, | |
777 | .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4, | |
778 | }, | |
779 | [NFS3PROC_READ] = { | |
a6beb732 | 780 | .pc_func = nfsd3_proc_read, |
026fec7e | 781 | .pc_decode = nfs3svc_decode_readargs, |
63f8de37 | 782 | .pc_encode = nfs3svc_encode_readres, |
8537488b | 783 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
784 | .pc_argsize = sizeof(struct nfsd3_readargs), |
785 | .pc_ressize = sizeof(struct nfsd3_readres), | |
786 | .pc_cachetype = RC_NOCACHE, | |
787 | .pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4, | |
788 | }, | |
789 | [NFS3PROC_WRITE] = { | |
a6beb732 | 790 | .pc_func = nfsd3_proc_write, |
026fec7e | 791 | .pc_decode = nfs3svc_decode_writeargs, |
63f8de37 | 792 | .pc_encode = nfs3svc_encode_writeres, |
8537488b | 793 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
794 | .pc_argsize = sizeof(struct nfsd3_writeargs), |
795 | .pc_ressize = sizeof(struct nfsd3_writeres), | |
796 | .pc_cachetype = RC_REPLBUFF, | |
797 | .pc_xdrressize = ST+WC+4, | |
798 | }, | |
799 | [NFS3PROC_CREATE] = { | |
a6beb732 | 800 | .pc_func = nfsd3_proc_create, |
026fec7e | 801 | .pc_decode = nfs3svc_decode_createargs, |
63f8de37 | 802 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 803 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
804 | .pc_argsize = sizeof(struct nfsd3_createargs), |
805 | .pc_ressize = sizeof(struct nfsd3_createres), | |
806 | .pc_cachetype = RC_REPLBUFF, | |
807 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
808 | }, | |
809 | [NFS3PROC_MKDIR] = { | |
a6beb732 | 810 | .pc_func = nfsd3_proc_mkdir, |
026fec7e | 811 | .pc_decode = nfs3svc_decode_mkdirargs, |
63f8de37 | 812 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 813 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
814 | .pc_argsize = sizeof(struct nfsd3_mkdirargs), |
815 | .pc_ressize = sizeof(struct nfsd3_createres), | |
816 | .pc_cachetype = RC_REPLBUFF, | |
817 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
818 | }, | |
819 | [NFS3PROC_SYMLINK] = { | |
a6beb732 | 820 | .pc_func = nfsd3_proc_symlink, |
026fec7e | 821 | .pc_decode = nfs3svc_decode_symlinkargs, |
63f8de37 | 822 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 823 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
824 | .pc_argsize = sizeof(struct nfsd3_symlinkargs), |
825 | .pc_ressize = sizeof(struct nfsd3_createres), | |
826 | .pc_cachetype = RC_REPLBUFF, | |
827 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
828 | }, | |
829 | [NFS3PROC_MKNOD] = { | |
a6beb732 | 830 | .pc_func = nfsd3_proc_mknod, |
026fec7e | 831 | .pc_decode = nfs3svc_decode_mknodargs, |
63f8de37 | 832 | .pc_encode = nfs3svc_encode_createres, |
8537488b | 833 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
834 | .pc_argsize = sizeof(struct nfsd3_mknodargs), |
835 | .pc_ressize = sizeof(struct nfsd3_createres), | |
836 | .pc_cachetype = RC_REPLBUFF, | |
837 | .pc_xdrressize = ST+(1+FH+pAT)+WC, | |
838 | }, | |
839 | [NFS3PROC_REMOVE] = { | |
a6beb732 | 840 | .pc_func = nfsd3_proc_remove, |
026fec7e | 841 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 842 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 843 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
844 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
845 | .pc_ressize = sizeof(struct nfsd3_wccstatres), | |
846 | .pc_cachetype = RC_REPLBUFF, | |
847 | .pc_xdrressize = ST+WC, | |
848 | }, | |
849 | [NFS3PROC_RMDIR] = { | |
a6beb732 | 850 | .pc_func = nfsd3_proc_rmdir, |
026fec7e | 851 | .pc_decode = nfs3svc_decode_diropargs, |
63f8de37 | 852 | .pc_encode = nfs3svc_encode_wccstatres, |
8537488b | 853 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
854 | .pc_argsize = sizeof(struct nfsd3_diropargs), |
855 | .pc_ressize = sizeof(struct nfsd3_wccstatres), | |
856 | .pc_cachetype = RC_REPLBUFF, | |
857 | .pc_xdrressize = ST+WC, | |
858 | }, | |
859 | [NFS3PROC_RENAME] = { | |
a6beb732 | 860 | .pc_func = nfsd3_proc_rename, |
026fec7e | 861 | .pc_decode = nfs3svc_decode_renameargs, |
63f8de37 | 862 | .pc_encode = nfs3svc_encode_renameres, |
8537488b | 863 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
864 | .pc_argsize = sizeof(struct nfsd3_renameargs), |
865 | .pc_ressize = sizeof(struct nfsd3_renameres), | |
866 | .pc_cachetype = RC_REPLBUFF, | |
867 | .pc_xdrressize = ST+WC+WC, | |
868 | }, | |
869 | [NFS3PROC_LINK] = { | |
a6beb732 | 870 | .pc_func = nfsd3_proc_link, |
026fec7e | 871 | .pc_decode = nfs3svc_decode_linkargs, |
63f8de37 | 872 | .pc_encode = nfs3svc_encode_linkres, |
8537488b | 873 | .pc_release = nfs3svc_release_fhandle2, |
b9081d90 YZ |
874 | .pc_argsize = sizeof(struct nfsd3_linkargs), |
875 | .pc_ressize = sizeof(struct nfsd3_linkres), | |
876 | .pc_cachetype = RC_REPLBUFF, | |
877 | .pc_xdrressize = ST+pAT+WC, | |
878 | }, | |
879 | [NFS3PROC_READDIR] = { | |
a6beb732 | 880 | .pc_func = nfsd3_proc_readdir, |
026fec7e | 881 | .pc_decode = nfs3svc_decode_readdirargs, |
63f8de37 | 882 | .pc_encode = nfs3svc_encode_readdirres, |
8537488b | 883 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
884 | .pc_argsize = sizeof(struct nfsd3_readdirargs), |
885 | .pc_ressize = sizeof(struct nfsd3_readdirres), | |
886 | .pc_cachetype = RC_NOCACHE, | |
887 | }, | |
888 | [NFS3PROC_READDIRPLUS] = { | |
a6beb732 | 889 | .pc_func = nfsd3_proc_readdirplus, |
026fec7e | 890 | .pc_decode = nfs3svc_decode_readdirplusargs, |
63f8de37 | 891 | .pc_encode = nfs3svc_encode_readdirres, |
8537488b | 892 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
893 | .pc_argsize = sizeof(struct nfsd3_readdirplusargs), |
894 | .pc_ressize = sizeof(struct nfsd3_readdirres), | |
895 | .pc_cachetype = RC_NOCACHE, | |
896 | }, | |
897 | [NFS3PROC_FSSTAT] = { | |
a6beb732 | 898 | .pc_func = nfsd3_proc_fsstat, |
026fec7e | 899 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 900 | .pc_encode = nfs3svc_encode_fsstatres, |
b9081d90 YZ |
901 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
902 | .pc_ressize = sizeof(struct nfsd3_fsstatres), | |
903 | .pc_cachetype = RC_NOCACHE, | |
904 | .pc_xdrressize = ST+pAT+2*6+1, | |
905 | }, | |
906 | [NFS3PROC_FSINFO] = { | |
a6beb732 | 907 | .pc_func = nfsd3_proc_fsinfo, |
026fec7e | 908 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 909 | .pc_encode = nfs3svc_encode_fsinfores, |
b9081d90 YZ |
910 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
911 | .pc_ressize = sizeof(struct nfsd3_fsinfores), | |
912 | .pc_cachetype = RC_NOCACHE, | |
913 | .pc_xdrressize = ST+pAT+12, | |
914 | }, | |
915 | [NFS3PROC_PATHCONF] = { | |
a6beb732 | 916 | .pc_func = nfsd3_proc_pathconf, |
026fec7e | 917 | .pc_decode = nfs3svc_decode_fhandleargs, |
63f8de37 | 918 | .pc_encode = nfs3svc_encode_pathconfres, |
b9081d90 YZ |
919 | .pc_argsize = sizeof(struct nfsd3_fhandleargs), |
920 | .pc_ressize = sizeof(struct nfsd3_pathconfres), | |
921 | .pc_cachetype = RC_NOCACHE, | |
922 | .pc_xdrressize = ST+pAT+6, | |
923 | }, | |
924 | [NFS3PROC_COMMIT] = { | |
a6beb732 | 925 | .pc_func = nfsd3_proc_commit, |
026fec7e | 926 | .pc_decode = nfs3svc_decode_commitargs, |
63f8de37 | 927 | .pc_encode = nfs3svc_encode_commitres, |
8537488b | 928 | .pc_release = nfs3svc_release_fhandle, |
b9081d90 YZ |
929 | .pc_argsize = sizeof(struct nfsd3_commitargs), |
930 | .pc_ressize = sizeof(struct nfsd3_commitres), | |
931 | .pc_cachetype = RC_NOCACHE, | |
932 | .pc_xdrressize = ST+WC+2, | |
933 | }, | |
1da177e4 LT |
934 | }; |
935 | ||
7fd38af9 | 936 | static unsigned int nfsd_count3[ARRAY_SIZE(nfsd_procedures3)]; |
e9679189 CH |
937 | const struct svc_version nfsd_version3 = { |
938 | .vs_vers = 3, | |
939 | .vs_nproc = 22, | |
940 | .vs_proc = nfsd_procedures3, | |
941 | .vs_dispatch = nfsd_dispatch, | |
942 | .vs_count = nfsd_count3, | |
943 | .vs_xdrsize = NFS3_SVC_XDRSIZE, | |
1da177e4 | 944 | }; |