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Fix gcc 4.5.1 miscompiling drivers/char/i8k.c (again)
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / fs / nfsd / nfs3proc.c
blob3d68f45a37b931027ef1e5e729305a4f7645fcf5
1 /*
2 * Process version 3 NFS requests.
3 *
4 * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de>
5 */
6
7 #include <linux/fs.h>
8 #include <linux/ext2_fs.h>
9 #include <linux/magic.h>
10
11 #include "cache.h"
12 #include "xdr3.h"
13 #include "vfs.h"
14
15 #define NFSDDBG_FACILITY NFSDDBG_PROC
16
17 #define RETURN_STATUS(st) { resp->status = (st); return (st); }
18
19 static int nfs3_ftypes[] = {
20 0, /* NF3NON */
21 S_IFREG, /* NF3REG */
22 S_IFDIR, /* NF3DIR */
23 S_IFBLK, /* NF3BLK */
24 S_IFCHR, /* NF3CHR */
25 S_IFLNK, /* NF3LNK */
26 S_IFSOCK, /* NF3SOCK */
27 S_IFIFO, /* NF3FIFO */
28 };
29
30 /*
31 * NULL call.
32 */
33 static __be32
34 nfsd3_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
35 {
36 return nfs_ok;
37 }
38
39 /*
40 * Get a file's attributes
41 */
42 static __be32
43 nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp,
44 struct nfsd3_attrstat *resp)
45 {
46 int err;
47 __be32 nfserr;
48
49 dprintk("nfsd: GETATTR(3) %s\n",
50 SVCFH_fmt(&argp->fh));
51
52 fh_copy(&resp->fh, &argp->fh);
53 nfserr = fh_verify(rqstp, &resp->fh, 0,
54 NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
55 if (nfserr)
56 RETURN_STATUS(nfserr);
57
58 err = vfs_getattr(resp->fh.fh_export->ex_path.mnt,
59 resp->fh.fh_dentry, &resp->stat);
60 nfserr = nfserrno(err);
61
62 RETURN_STATUS(nfserr);
63 }
64
65 /*
66 * Set a file's attributes
67 */
68 static __be32
69 nfsd3_proc_setattr(struct svc_rqst *rqstp, struct nfsd3_sattrargs *argp,
70 struct nfsd3_attrstat *resp)
71 {
72 __be32 nfserr;
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 */
86 static __be32
87 nfsd3_proc_lookup(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
88 struct nfsd3_diropres *resp)
89 {
90 __be32 nfserr;
91
92 dprintk("nfsd: LOOKUP(3) %s %.*s\n",
93 SVCFH_fmt(&argp->fh),
94 argp->len,
95 argp->name);
96
97 fh_copy(&resp->dirfh, &argp->fh);
98 fh_init(&resp->fh, NFS3_FHSIZE);
99
100 nfserr = nfsd_lookup(rqstp, &resp->dirfh,
101 argp->name,
102 argp->len,
103 &resp->fh);
104 RETURN_STATUS(nfserr);
105 }
106
107 /*
108 * Check file access
109 */
110 static __be32
111 nfsd3_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
112 struct nfsd3_accessres *resp)
113 {
114 __be32 nfserr;
115
116 dprintk("nfsd: ACCESS(3) %s 0x%x\n",
117 SVCFH_fmt(&argp->fh),
118 argp->access);
119
120 fh_copy(&resp->fh, &argp->fh);
121 resp->access = argp->access;
122 nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
123 RETURN_STATUS(nfserr);
124 }
125
126 /*
127 * Read a symlink.
128 */
129 static __be32
130 nfsd3_proc_readlink(struct svc_rqst *rqstp, struct nfsd3_readlinkargs *argp,
131 struct nfsd3_readlinkres *resp)
132 {
133 __be32 nfserr;
134
135 dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh));
136
137 /* Read the symlink. */
138 fh_copy(&resp->fh, &argp->fh);
139 resp->len = NFS3_MAXPATHLEN;
140 nfserr = nfsd_readlink(rqstp, &resp->fh, argp->buffer, &resp->len);
141 RETURN_STATUS(nfserr);
142 }
143
144 /*
145 * Read a portion of a file.
146 */
147 static __be32
148 nfsd3_proc_read(struct svc_rqst *rqstp, struct nfsd3_readargs *argp,
149 struct nfsd3_readres *resp)
150 {
151 __be32 nfserr;
152 u32 max_blocksize = svc_max_payload(rqstp);
153
154 dprintk("nfsd: READ(3) %s %lu bytes at %lu\n",
155 SVCFH_fmt(&argp->fh),
156 (unsigned long) argp->count,
157 (unsigned long) argp->offset);
158
159 /* Obtain buffer pointer for payload.
160 * 1 (status) + 22 (post_op_attr) + 1 (count) + 1 (eof)
161 * + 1 (xdr opaque byte count) = 26
162 */
163
164 resp->count = argp->count;
165 if (max_blocksize < resp->count)
166 resp->count = max_blocksize;
167
168 svc_reserve_auth(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4);
169
170 fh_copy(&resp->fh, &argp->fh);
171 nfserr = nfsd_read(rqstp, &resp->fh, NULL,
172 argp->offset,
173 rqstp->rq_vec, argp->vlen,
174 &resp->count);
175 if (nfserr == 0) {
176 struct inode *inode = resp->fh.fh_dentry->d_inode;
177
178 resp->eof = (argp->offset + resp->count) >= inode->i_size;
179 }
180
181 RETURN_STATUS(nfserr);
182 }
183
184 /*
185 * Write data to a file
186 */
187 static __be32
188 nfsd3_proc_write(struct svc_rqst *rqstp, struct nfsd3_writeargs *argp,
189 struct nfsd3_writeres *resp)
190 {
191 __be32 nfserr;
192 unsigned long cnt = argp->len;
193
194 dprintk("nfsd: WRITE(3) %s %d bytes at %ld%s\n",
195 SVCFH_fmt(&argp->fh),
196 argp->len,
197 (unsigned long) argp->offset,
198 argp->stable? " stable" : "");
199
200 fh_copy(&resp->fh, &argp->fh);
201 resp->committed = argp->stable;
202 nfserr = nfsd_write(rqstp, &resp->fh, NULL,
203 argp->offset,
204 rqstp->rq_vec, argp->vlen,
205 &cnt,
206 &resp->committed);
207 resp->count = cnt;
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 */
216 static __be32
217 nfsd3_proc_create(struct svc_rqst *rqstp, struct nfsd3_createargs *argp,
218 struct nfsd3_diropres *resp)
219 {
220 svc_fh *dirfhp, *newfhp = NULL;
221 struct iattr *attr;
222 __be32 nfserr;
223
224 dprintk("nfsd: CREATE(3) %s %.*s\n",
225 SVCFH_fmt(&argp->fh),
226 argp->len,
227 argp->name);
228
229 dirfhp = fh_copy(&resp->dirfh, &argp->fh);
230 newfhp = fh_init(&resp->fh, NFS3_FHSIZE);
231 attr = &argp->attrs;
232
233 /* Get the directory inode */
234 nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, NFSD_MAY_CREATE);
235 if (nfserr)
236 RETURN_STATUS(nfserr);
237
238 /* Unfudge the mode bits */
239 attr->ia_mode &= ~S_IFMT;
240 if (!(attr->ia_valid & ATTR_MODE)) {
241 attr->ia_valid |= ATTR_MODE;
242 attr->ia_mode = S_IFREG;
243 } else {
244 attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG;
245 }
246
247 /* Now create the file and set attributes */
248 nfserr = nfsd_create_v3(rqstp, dirfhp, argp->name, argp->len,
249 attr, newfhp,
250 argp->createmode, argp->verf, NULL, NULL);
251
252 RETURN_STATUS(nfserr);
253 }
254
255 /*
256 * Make directory. This operation is not idempotent.
257 */
258 static __be32
259 nfsd3_proc_mkdir(struct svc_rqst *rqstp, struct nfsd3_createargs *argp,
260 struct nfsd3_diropres *resp)
261 {
262 __be32 nfserr;
263
264 dprintk("nfsd: MKDIR(3) %s %.*s\n",
265 SVCFH_fmt(&argp->fh),
266 argp->len,
267 argp->name);
268
269 argp->attrs.ia_valid &= ~ATTR_SIZE;
270 fh_copy(&resp->dirfh, &argp->fh);
271 fh_init(&resp->fh, NFS3_FHSIZE);
272 nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
273 &argp->attrs, S_IFDIR, 0, &resp->fh);
274
275 RETURN_STATUS(nfserr);
276 }
277
278 static __be32
279 nfsd3_proc_symlink(struct svc_rqst *rqstp, struct nfsd3_symlinkargs *argp,
280 struct nfsd3_diropres *resp)
281 {
282 __be32 nfserr;
283
284 dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n",
285 SVCFH_fmt(&argp->ffh),
286 argp->flen, argp->fname,
287 argp->tlen, argp->tname);
288
289 fh_copy(&resp->dirfh, &argp->ffh);
290 fh_init(&resp->fh, NFS3_FHSIZE);
291 nfserr = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, argp->flen,
292 argp->tname, argp->tlen,
293 &resp->fh, &argp->attrs);
294 RETURN_STATUS(nfserr);
295 }
296
297 /*
298 * Make socket/fifo/device.
299 */
300 static __be32
301 nfsd3_proc_mknod(struct svc_rqst *rqstp, struct nfsd3_mknodargs *argp,
302 struct nfsd3_diropres *resp)
303 {
304 __be32 nfserr;
305 int type;
306 dev_t rdev = 0;
307
308 dprintk("nfsd: MKNOD(3) %s %.*s\n",
309 SVCFH_fmt(&argp->fh),
310 argp->len,
311 argp->name);
312
313 fh_copy(&resp->dirfh, &argp->fh);
314 fh_init(&resp->fh, NFS3_FHSIZE);
315
316 if (argp->ftype == 0 || argp->ftype >= NF3BAD)
317 RETURN_STATUS(nfserr_inval);
318 if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) {
319 rdev = MKDEV(argp->major, argp->minor);
320 if (MAJOR(rdev) != argp->major ||
321 MINOR(rdev) != argp->minor)
322 RETURN_STATUS(nfserr_inval);
323 } else
324 if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO)
325 RETURN_STATUS(nfserr_inval);
326
327 type = nfs3_ftypes[argp->ftype];
328 nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
329 &argp->attrs, type, rdev, &resp->fh);
330
331 RETURN_STATUS(nfserr);
332 }
333
334 /*
335 * Remove file/fifo/socket etc.
336 */
337 static __be32
338 nfsd3_proc_remove(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
339 struct nfsd3_attrstat *resp)
340 {
341 __be32 nfserr;
342
343 dprintk("nfsd: REMOVE(3) %s %.*s\n",
344 SVCFH_fmt(&argp->fh),
345 argp->len,
346 argp->name);
347
348 /* Unlink. -S_IFDIR means file must not be a directory */
349 fh_copy(&resp->fh, &argp->fh);
350 nfserr = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, argp->name, argp->len);
351 RETURN_STATUS(nfserr);
352 }
353
354 /*
355 * Remove a directory
356 */
357 static __be32
358 nfsd3_proc_rmdir(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
359 struct nfsd3_attrstat *resp)
360 {
361 __be32 nfserr;
362
363 dprintk("nfsd: RMDIR(3) %s %.*s\n",
364 SVCFH_fmt(&argp->fh),
365 argp->len,
366 argp->name);
367
368 fh_copy(&resp->fh, &argp->fh);
369 nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len);
370 RETURN_STATUS(nfserr);
371 }
372
373 static __be32
374 nfsd3_proc_rename(struct svc_rqst *rqstp, struct nfsd3_renameargs *argp,
375 struct nfsd3_renameres *resp)
376 {
377 __be32 nfserr;
378
379 dprintk("nfsd: RENAME(3) %s %.*s ->\n",
380 SVCFH_fmt(&argp->ffh),
381 argp->flen,
382 argp->fname);
383 dprintk("nfsd: -> %s %.*s\n",
384 SVCFH_fmt(&argp->tfh),
385 argp->tlen,
386 argp->tname);
387
388 fh_copy(&resp->ffh, &argp->ffh);
389 fh_copy(&resp->tfh, &argp->tfh);
390 nfserr = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen,
391 &resp->tfh, argp->tname, argp->tlen);
392 RETURN_STATUS(nfserr);
393 }
394
395 static __be32
396 nfsd3_proc_link(struct svc_rqst *rqstp, struct nfsd3_linkargs *argp,
397 struct nfsd3_linkres *resp)
398 {
399 __be32 nfserr;
400
401 dprintk("nfsd: LINK(3) %s ->\n",
402 SVCFH_fmt(&argp->ffh));
403 dprintk("nfsd: -> %s %.*s\n",
404 SVCFH_fmt(&argp->tfh),
405 argp->tlen,
406 argp->tname);
407
408 fh_copy(&resp->fh, &argp->ffh);
409 fh_copy(&resp->tfh, &argp->tfh);
410 nfserr = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen,
411 &resp->fh);
412 RETURN_STATUS(nfserr);
413 }
414
415 /*
416 * Read a portion of a directory.
417 */
418 static __be32
419 nfsd3_proc_readdir(struct svc_rqst *rqstp, struct nfsd3_readdirargs *argp,
420 struct nfsd3_readdirres *resp)
421 {
422 __be32 nfserr;
423 int count;
424
425 dprintk("nfsd: READDIR(3) %s %d bytes at %d\n",
426 SVCFH_fmt(&argp->fh),
427 argp->count, (u32) argp->cookie);
428
429 /* Make sure we've room for the NULL ptr & eof flag, and shrink to
430 * client read size */
431 count = (argp->count >> 2) - 2;
432
433 /* Read directory and encode entries on the fly */
434 fh_copy(&resp->fh, &argp->fh);
435
436 resp->buflen = count;
437 resp->common.err = nfs_ok;
438 resp->buffer = argp->buffer;
439 resp->rqstp = rqstp;
440 nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie,
441 &resp->common, nfs3svc_encode_entry);
442 memcpy(resp->verf, argp->verf, 8);
443 resp->count = resp->buffer - argp->buffer;
444 if (resp->offset)
445 xdr_encode_hyper(resp->offset, argp->cookie);
446
447 RETURN_STATUS(nfserr);
448 }
449
450 /*
451 * Read a portion of a directory, including file handles and attrs.
452 * For now, we choose to ignore the dircount parameter.
453 */
454 static __be32
455 nfsd3_proc_readdirplus(struct svc_rqst *rqstp, struct nfsd3_readdirargs *argp,
456 struct nfsd3_readdirres *resp)
457 {
458 __be32 nfserr;
459 int count = 0;
460 loff_t offset;
461 int i;
462 caddr_t page_addr = NULL;
463
464 dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n",
465 SVCFH_fmt(&argp->fh),
466 argp->count, (u32) argp->cookie);
467
468 /* Convert byte count to number of words (i.e. >> 2),
469 * and reserve room for the NULL ptr & eof flag (-2 words) */
470 resp->count = (argp->count >> 2) - 2;
471
472 /* Read directory and encode entries on the fly */
473 fh_copy(&resp->fh, &argp->fh);
474
475 resp->common.err = nfs_ok;
476 resp->buffer = argp->buffer;
477 resp->buflen = resp->count;
478 resp->rqstp = rqstp;
479 offset = argp->cookie;
480 nfserr = nfsd_readdir(rqstp, &resp->fh,
481 &offset,
482 &resp->common,
483 nfs3svc_encode_entry_plus);
484 memcpy(resp->verf, argp->verf, 8);
485 for (i=1; i<rqstp->rq_resused ; i++) {
486 page_addr = page_address(rqstp->rq_respages[i]);
487
488 if (((caddr_t)resp->buffer >= page_addr) &&
489 ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) {
490 count += (caddr_t)resp->buffer - page_addr;
491 break;
492 }
493 count += PAGE_SIZE;
494 }
495 resp->count = count >> 2;
496 if (resp->offset) {
497 if (unlikely(resp->offset1)) {
498 /* we ended up with offset on a page boundary */
499 *resp->offset = htonl(offset >> 32);
500 *resp->offset1 = htonl(offset & 0xffffffff);
501 resp->offset1 = NULL;
502 } else {
503 xdr_encode_hyper(resp->offset, offset);
504 }
505 }
506
507 RETURN_STATUS(nfserr);
508 }
509
510 /*
511 * Get file system stats
512 */
513 static __be32
514 nfsd3_proc_fsstat(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
515 struct nfsd3_fsstatres *resp)
516 {
517 __be32 nfserr;
518
519 dprintk("nfsd: FSSTAT(3) %s\n",
520 SVCFH_fmt(&argp->fh));
521
522 nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0);
523 fh_put(&argp->fh);
524 RETURN_STATUS(nfserr);
525 }
526
527 /*
528 * Get file system info
529 */
530 static __be32
531 nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
532 struct nfsd3_fsinfores *resp)
533 {
534 __be32 nfserr;
535 u32 max_blocksize = svc_max_payload(rqstp);
536
537 dprintk("nfsd: FSINFO(3) %s\n",
538 SVCFH_fmt(&argp->fh));
539
540 resp->f_rtmax = max_blocksize;
541 resp->f_rtpref = max_blocksize;
542 resp->f_rtmult = PAGE_SIZE;
543 resp->f_wtmax = max_blocksize;
544 resp->f_wtpref = max_blocksize;
545 resp->f_wtmult = PAGE_SIZE;
546 resp->f_dtpref = PAGE_SIZE;
547 resp->f_maxfilesize = ~(u32) 0;
548 resp->f_properties = NFS3_FSF_DEFAULT;
549
550 nfserr = fh_verify(rqstp, &argp->fh, 0,
551 NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
552
553 /* Check special features of the file system. May request
554 * different read/write sizes for file systems known to have
555 * problems with large blocks */
556 if (nfserr == 0) {
557 struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb;
558
559 /* Note that we don't care for remote fs's here */
560 if (sb->s_magic == MSDOS_SUPER_MAGIC) {
561 resp->f_properties = NFS3_FSF_BILLYBOY;
562 }
563 resp->f_maxfilesize = sb->s_maxbytes;
564 }
565
566 fh_put(&argp->fh);
567 RETURN_STATUS(nfserr);
568 }
569
570 /*
571 * Get pathconf info for the specified file
572 */
573 static __be32
574 nfsd3_proc_pathconf(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
575 struct nfsd3_pathconfres *resp)
576 {
577 __be32 nfserr;
578
579 dprintk("nfsd: PATHCONF(3) %s\n",
580 SVCFH_fmt(&argp->fh));
581
582 /* Set default pathconf */
583 resp->p_link_max = 255; /* at least */
584 resp->p_name_max = 255; /* at least */
585 resp->p_no_trunc = 0;
586 resp->p_chown_restricted = 1;
587 resp->p_case_insensitive = 0;
588 resp->p_case_preserving = 1;
589
590 nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP);
591
592 if (nfserr == 0) {
593 struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb;
594
595 /* Note that we don't care for remote fs's here */
596 switch (sb->s_magic) {
597 case EXT2_SUPER_MAGIC:
598 resp->p_link_max = EXT2_LINK_MAX;
599 resp->p_name_max = EXT2_NAME_LEN;
600 break;
601 case MSDOS_SUPER_MAGIC:
602 resp->p_case_insensitive = 1;
603 resp->p_case_preserving = 0;
604 break;
605 }
606 }
607
608 fh_put(&argp->fh);
609 RETURN_STATUS(nfserr);
610 }
611
612
613 /*
614 * Commit a file (range) to stable storage.
615 */
616 static __be32
617 nfsd3_proc_commit(struct svc_rqst * rqstp, struct nfsd3_commitargs *argp,
618 struct nfsd3_commitres *resp)
619 {
620 __be32 nfserr;
621
622 dprintk("nfsd: COMMIT(3) %s %u@%Lu\n",
623 SVCFH_fmt(&argp->fh),
624 argp->count,
625 (unsigned long long) argp->offset);
626
627 if (argp->offset > NFS_OFFSET_MAX)
628 RETURN_STATUS(nfserr_inval);
629
630 fh_copy(&resp->fh, &argp->fh);
631 nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count);
632
633 RETURN_STATUS(nfserr);
634 }
635
636
637 /*
638 * NFSv3 Server procedures.
639 * Only the results of non-idempotent operations are cached.
640 */
641 #define nfs3svc_decode_fhandleargs nfs3svc_decode_fhandle
642 #define nfs3svc_encode_attrstatres nfs3svc_encode_attrstat
643 #define nfs3svc_encode_wccstatres nfs3svc_encode_wccstat
644 #define nfsd3_mkdirargs nfsd3_createargs
645 #define nfsd3_readdirplusargs nfsd3_readdirargs
646 #define nfsd3_fhandleargs nfsd_fhandle
647 #define nfsd3_fhandleres nfsd3_attrstat
648 #define nfsd3_attrstatres nfsd3_attrstat
649 #define nfsd3_wccstatres nfsd3_attrstat
650 #define nfsd3_createres nfsd3_diropres
651 #define nfsd3_voidres nfsd3_voidargs
652 struct nfsd3_voidargs { int dummy; };
653
654 #define PROC(name, argt, rest, relt, cache, respsize) \
655 { (svc_procfunc) nfsd3_proc_##name, \
656 (kxdrproc_t) nfs3svc_decode_##argt##args, \
657 (kxdrproc_t) nfs3svc_encode_##rest##res, \
658 (kxdrproc_t) nfs3svc_release_##relt, \
659 sizeof(struct nfsd3_##argt##args), \
660 sizeof(struct nfsd3_##rest##res), \
661 0, \
662 cache, \
663 respsize, \
664 }
665
666 #define ST 1 /* status*/
667 #define FH 17 /* filehandle with length */
668 #define AT 21 /* attributes */
669 #define pAT (1+AT) /* post attributes - conditional */
670 #define WC (7+pAT) /* WCC attributes */
671
672 static struct svc_procedure nfsd_procedures3[22] = {
673 [NFS3PROC_NULL] = {
674 .pc_func = (svc_procfunc) nfsd3_proc_null,
675 .pc_encode = (kxdrproc_t) nfs3svc_encode_voidres,
676 .pc_argsize = sizeof(struct nfsd3_voidargs),
677 .pc_ressize = sizeof(struct nfsd3_voidres),
678 .pc_cachetype = RC_NOCACHE,
679 .pc_xdrressize = ST,
680 },
681 [NFS3PROC_GETATTR] = {
682 .pc_func = (svc_procfunc) nfsd3_proc_getattr,
683 .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs,
684 .pc_encode = (kxdrproc_t) nfs3svc_encode_attrstatres,
685 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
686 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
687 .pc_ressize = sizeof(struct nfsd3_attrstatres),
688 .pc_cachetype = RC_NOCACHE,
689 .pc_xdrressize = ST+AT,
690 },
691 [NFS3PROC_SETATTR] = {
692 .pc_func = (svc_procfunc) nfsd3_proc_setattr,
693 .pc_decode = (kxdrproc_t) nfs3svc_decode_sattrargs,
694 .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres,
695 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
696 .pc_argsize = sizeof(struct nfsd3_sattrargs),
697 .pc_ressize = sizeof(struct nfsd3_wccstatres),
698 .pc_cachetype = RC_REPLBUFF,
699 .pc_xdrressize = ST+WC,
700 },
701 [NFS3PROC_LOOKUP] = {
702 .pc_func = (svc_procfunc) nfsd3_proc_lookup,
703 .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs,
704 .pc_encode = (kxdrproc_t) nfs3svc_encode_diropres,
705 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2,
706 .pc_argsize = sizeof(struct nfsd3_diropargs),
707 .pc_ressize = sizeof(struct nfsd3_diropres),
708 .pc_cachetype = RC_NOCACHE,
709 .pc_xdrressize = ST+FH+pAT+pAT,
710 },
711 [NFS3PROC_ACCESS] = {
712 .pc_func = (svc_procfunc) nfsd3_proc_access,
713 .pc_decode = (kxdrproc_t) nfs3svc_decode_accessargs,
714 .pc_encode = (kxdrproc_t) nfs3svc_encode_accessres,
715 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
716 .pc_argsize = sizeof(struct nfsd3_accessargs),
717 .pc_ressize = sizeof(struct nfsd3_accessres),
718 .pc_cachetype = RC_NOCACHE,
719 .pc_xdrressize = ST+pAT+1,
720 },
721 [NFS3PROC_READLINK] = {
722 .pc_func = (svc_procfunc) nfsd3_proc_readlink,
723 .pc_decode = (kxdrproc_t) nfs3svc_decode_readlinkargs,
724 .pc_encode = (kxdrproc_t) nfs3svc_encode_readlinkres,
725 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
726 .pc_argsize = sizeof(struct nfsd3_readlinkargs),
727 .pc_ressize = sizeof(struct nfsd3_readlinkres),
728 .pc_cachetype = RC_NOCACHE,
729 .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4,
730 },
731 [NFS3PROC_READ] = {
732 .pc_func = (svc_procfunc) nfsd3_proc_read,
733 .pc_decode = (kxdrproc_t) nfs3svc_decode_readargs,
734 .pc_encode = (kxdrproc_t) nfs3svc_encode_readres,
735 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
736 .pc_argsize = sizeof(struct nfsd3_readargs),
737 .pc_ressize = sizeof(struct nfsd3_readres),
738 .pc_cachetype = RC_NOCACHE,
739 .pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4,
740 },
741 [NFS3PROC_WRITE] = {
742 .pc_func = (svc_procfunc) nfsd3_proc_write,
743 .pc_decode = (kxdrproc_t) nfs3svc_decode_writeargs,
744 .pc_encode = (kxdrproc_t) nfs3svc_encode_writeres,
745 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
746 .pc_argsize = sizeof(struct nfsd3_writeargs),
747 .pc_ressize = sizeof(struct nfsd3_writeres),
748 .pc_cachetype = RC_REPLBUFF,
749 .pc_xdrressize = ST+WC+4,
750 },
751 [NFS3PROC_CREATE] = {
752 .pc_func = (svc_procfunc) nfsd3_proc_create,
753 .pc_decode = (kxdrproc_t) nfs3svc_decode_createargs,
754 .pc_encode = (kxdrproc_t) nfs3svc_encode_createres,
755 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2,
756 .pc_argsize = sizeof(struct nfsd3_createargs),
757 .pc_ressize = sizeof(struct nfsd3_createres),
758 .pc_cachetype = RC_REPLBUFF,
759 .pc_xdrressize = ST+(1+FH+pAT)+WC,
760 },
761 [NFS3PROC_MKDIR] = {
762 .pc_func = (svc_procfunc) nfsd3_proc_mkdir,
763 .pc_decode = (kxdrproc_t) nfs3svc_decode_mkdirargs,
764 .pc_encode = (kxdrproc_t) nfs3svc_encode_createres,
765 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2,
766 .pc_argsize = sizeof(struct nfsd3_mkdirargs),
767 .pc_ressize = sizeof(struct nfsd3_createres),
768 .pc_cachetype = RC_REPLBUFF,
769 .pc_xdrressize = ST+(1+FH+pAT)+WC,
770 },
771 [NFS3PROC_SYMLINK] = {
772 .pc_func = (svc_procfunc) nfsd3_proc_symlink,
773 .pc_decode = (kxdrproc_t) nfs3svc_decode_symlinkargs,
774 .pc_encode = (kxdrproc_t) nfs3svc_encode_createres,
775 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2,
776 .pc_argsize = sizeof(struct nfsd3_symlinkargs),
777 .pc_ressize = sizeof(struct nfsd3_createres),
778 .pc_cachetype = RC_REPLBUFF,
779 .pc_xdrressize = ST+(1+FH+pAT)+WC,
780 },
781 [NFS3PROC_MKNOD] = {
782 .pc_func = (svc_procfunc) nfsd3_proc_mknod,
783 .pc_decode = (kxdrproc_t) nfs3svc_decode_mknodargs,
784 .pc_encode = (kxdrproc_t) nfs3svc_encode_createres,
785 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2,
786 .pc_argsize = sizeof(struct nfsd3_mknodargs),
787 .pc_ressize = sizeof(struct nfsd3_createres),
788 .pc_cachetype = RC_REPLBUFF,
789 .pc_xdrressize = ST+(1+FH+pAT)+WC,
790 },
791 [NFS3PROC_REMOVE] = {
792 .pc_func = (svc_procfunc) nfsd3_proc_remove,
793 .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs,
794 .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres,
795 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
796 .pc_argsize = sizeof(struct nfsd3_diropargs),
797 .pc_ressize = sizeof(struct nfsd3_wccstatres),
798 .pc_cachetype = RC_REPLBUFF,
799 .pc_xdrressize = ST+WC,
800 },
801 [NFS3PROC_RMDIR] = {
802 .pc_func = (svc_procfunc) nfsd3_proc_rmdir,
803 .pc_decode = (kxdrproc_t) nfs3svc_decode_diropargs,
804 .pc_encode = (kxdrproc_t) nfs3svc_encode_wccstatres,
805 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
806 .pc_argsize = sizeof(struct nfsd3_diropargs),
807 .pc_ressize = sizeof(struct nfsd3_wccstatres),
808 .pc_cachetype = RC_REPLBUFF,
809 .pc_xdrressize = ST+WC,
810 },
811 [NFS3PROC_RENAME] = {
812 .pc_func = (svc_procfunc) nfsd3_proc_rename,
813 .pc_decode = (kxdrproc_t) nfs3svc_decode_renameargs,
814 .pc_encode = (kxdrproc_t) nfs3svc_encode_renameres,
815 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2,
816 .pc_argsize = sizeof(struct nfsd3_renameargs),
817 .pc_ressize = sizeof(struct nfsd3_renameres),
818 .pc_cachetype = RC_REPLBUFF,
819 .pc_xdrressize = ST+WC+WC,
820 },
821 [NFS3PROC_LINK] = {
822 .pc_func = (svc_procfunc) nfsd3_proc_link,
823 .pc_decode = (kxdrproc_t) nfs3svc_decode_linkargs,
824 .pc_encode = (kxdrproc_t) nfs3svc_encode_linkres,
825 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle2,
826 .pc_argsize = sizeof(struct nfsd3_linkargs),
827 .pc_ressize = sizeof(struct nfsd3_linkres),
828 .pc_cachetype = RC_REPLBUFF,
829 .pc_xdrressize = ST+pAT+WC,
830 },
831 [NFS3PROC_READDIR] = {
832 .pc_func = (svc_procfunc) nfsd3_proc_readdir,
833 .pc_decode = (kxdrproc_t) nfs3svc_decode_readdirargs,
834 .pc_encode = (kxdrproc_t) nfs3svc_encode_readdirres,
835 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
836 .pc_argsize = sizeof(struct nfsd3_readdirargs),
837 .pc_ressize = sizeof(struct nfsd3_readdirres),
838 .pc_cachetype = RC_NOCACHE,
839 },
840 [NFS3PROC_READDIRPLUS] = {
841 .pc_func = (svc_procfunc) nfsd3_proc_readdirplus,
842 .pc_decode = (kxdrproc_t) nfs3svc_decode_readdirplusargs,
843 .pc_encode = (kxdrproc_t) nfs3svc_encode_readdirres,
844 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
845 .pc_argsize = sizeof(struct nfsd3_readdirplusargs),
846 .pc_ressize = sizeof(struct nfsd3_readdirres),
847 .pc_cachetype = RC_NOCACHE,
848 },
849 [NFS3PROC_FSSTAT] = {
850 .pc_func = (svc_procfunc) nfsd3_proc_fsstat,
851 .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs,
852 .pc_encode = (kxdrproc_t) nfs3svc_encode_fsstatres,
853 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
854 .pc_ressize = sizeof(struct nfsd3_fsstatres),
855 .pc_cachetype = RC_NOCACHE,
856 .pc_xdrressize = ST+pAT+2*6+1,
857 },
858 [NFS3PROC_FSINFO] = {
859 .pc_func = (svc_procfunc) nfsd3_proc_fsinfo,
860 .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs,
861 .pc_encode = (kxdrproc_t) nfs3svc_encode_fsinfores,
862 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
863 .pc_ressize = sizeof(struct nfsd3_fsinfores),
864 .pc_cachetype = RC_NOCACHE,
865 .pc_xdrressize = ST+pAT+12,
866 },
867 [NFS3PROC_PATHCONF] = {
868 .pc_func = (svc_procfunc) nfsd3_proc_pathconf,
869 .pc_decode = (kxdrproc_t) nfs3svc_decode_fhandleargs,
870 .pc_encode = (kxdrproc_t) nfs3svc_encode_pathconfres,
871 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
872 .pc_ressize = sizeof(struct nfsd3_pathconfres),
873 .pc_cachetype = RC_NOCACHE,
874 .pc_xdrressize = ST+pAT+6,
875 },
876 [NFS3PROC_COMMIT] = {
877 .pc_func = (svc_procfunc) nfsd3_proc_commit,
878 .pc_decode = (kxdrproc_t) nfs3svc_decode_commitargs,
879 .pc_encode = (kxdrproc_t) nfs3svc_encode_commitres,
880 .pc_release = (kxdrproc_t) nfs3svc_release_fhandle,
881 .pc_argsize = sizeof(struct nfsd3_commitargs),
882 .pc_ressize = sizeof(struct nfsd3_commitres),
883 .pc_cachetype = RC_NOCACHE,
884 .pc_xdrressize = ST+WC+2,
885 },
886 };
887
888 struct svc_version nfsd_version3 = {
889 .vs_vers = 3,
890 .vs_nproc = 22,
891 .vs_proc = nfsd_procedures3,
892 .vs_dispatch = nfsd_dispatch,
893 .vs_xdrsize = NFS3_SVC_XDRSIZE,
894 };
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree