projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
[PATCH] knfsd: Prepare knfsd for support of rsize/wsize of up to 1MB, over TCP
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / fs / nfsd / nfs3proc.c
1 /*
2 * linux/fs/nfsd/nfs3proc.c
3 *
4 * Process version 3 NFS requests.
5 *
6 * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de>
7 */
8
9 #include <linux/linkage.h>
10 #include <linux/time.h>
11 #include <linux/errno.h>
12 #include <linux/fs.h>
13 #include <linux/ext2_fs.h>
14 #include <linux/stat.h>
15 #include <linux/fcntl.h>
16 #include <linux/net.h>
17 #include <linux/in.h>
18 #include <linux/unistd.h>
19 #include <linux/slab.h>
20 #include <linux/major.h>
21
22 #include <linux/sunrpc/svc.h>
23 #include <linux/nfsd/nfsd.h>
24 #include <linux/nfsd/cache.h>
25 #include <linux/nfsd/xdr3.h>
26 #include <linux/nfs3.h>
27
28 #define NFSDDBG_FACILITY NFSDDBG_PROC
29
30 #define RETURN_STATUS(st) { resp->status = (st); return (st); }
31
32 static int nfs3_ftypes[] = {
33 0, /* NF3NON */
34 S_IFREG, /* NF3REG */
35 S_IFDIR, /* NF3DIR */
36 S_IFBLK, /* NF3BLK */
37 S_IFCHR, /* NF3CHR */
38 S_IFLNK, /* NF3LNK */
39 S_IFSOCK, /* NF3SOCK */
40 S_IFIFO, /* NF3FIFO */
41 };
42
43 /*
44 * NULL call.
45 */
46 static int
47 nfsd3_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
48 {
49 return nfs_ok;
50 }
51
52 /*
53 * Get a file's attributes
54 */
55 static int
56 nfsd3_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp,
57 struct nfsd3_attrstat *resp)
58 {
59 int err, nfserr;
60
61 dprintk("nfsd: GETATTR(3) %s\n",
62 SVCFH_fmt(&argp->fh));
63
64 fh_copy(&resp->fh, &argp->fh);
65 nfserr = fh_verify(rqstp, &resp->fh, 0, MAY_NOP);
66 if (nfserr)
67 RETURN_STATUS(nfserr);
68
69 err = vfs_getattr(resp->fh.fh_export->ex_mnt,
70 resp->fh.fh_dentry, &resp->stat);
71 nfserr = nfserrno(err);
72
73 RETURN_STATUS(nfserr);
74 }
75
76 /*
77 * Set a file's attributes
78 */
79 static int
80 nfsd3_proc_setattr(struct svc_rqst *rqstp, struct nfsd3_sattrargs *argp,
81 struct nfsd3_attrstat *resp)
82 {
83 int nfserr;
84
85 dprintk("nfsd: SETATTR(3) %s\n",
86 SVCFH_fmt(&argp->fh));
87
88 fh_copy(&resp->fh, &argp->fh);
89 nfserr = nfsd_setattr(rqstp, &resp->fh, &argp->attrs,
90 argp->check_guard, argp->guardtime);
91 RETURN_STATUS(nfserr);
92 }
93
94 /*
95 * Look up a path name component
96 */
97 static int
98 nfsd3_proc_lookup(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
99 struct nfsd3_diropres *resp)
100 {
101 int nfserr;
102
103 dprintk("nfsd: LOOKUP(3) %s %.*s\n",
104 SVCFH_fmt(&argp->fh),
105 argp->len,
106 argp->name);
107
108 fh_copy(&resp->dirfh, &argp->fh);
109 fh_init(&resp->fh, NFS3_FHSIZE);
110
111 nfserr = nfsd_lookup(rqstp, &resp->dirfh,
112 argp->name,
113 argp->len,
114 &resp->fh);
115 RETURN_STATUS(nfserr);
116 }
117
118 /*
119 * Check file access
120 */
121 static int
122 nfsd3_proc_access(struct svc_rqst *rqstp, struct nfsd3_accessargs *argp,
123 struct nfsd3_accessres *resp)
124 {
125 int nfserr;
126
127 dprintk("nfsd: ACCESS(3) %s 0x%x\n",
128 SVCFH_fmt(&argp->fh),
129 argp->access);
130
131 fh_copy(&resp->fh, &argp->fh);
132 resp->access = argp->access;
133 nfserr = nfsd_access(rqstp, &resp->fh, &resp->access, NULL);
134 RETURN_STATUS(nfserr);
135 }
136
137 /*
138 * Read a symlink.
139 */
140 static int
141 nfsd3_proc_readlink(struct svc_rqst *rqstp, struct nfsd3_readlinkargs *argp,
142 struct nfsd3_readlinkres *resp)
143 {
144 int nfserr;
145
146 dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh));
147
148 /* Read the symlink. */
149 fh_copy(&resp->fh, &argp->fh);
150 resp->len = NFS3_MAXPATHLEN;
151 nfserr = nfsd_readlink(rqstp, &resp->fh, argp->buffer, &resp->len);
152 RETURN_STATUS(nfserr);
153 }
154
155 /*
156 * Read a portion of a file.
157 */
158 static int
159 nfsd3_proc_read(struct svc_rqst *rqstp, struct nfsd3_readargs *argp,
160 struct nfsd3_readres *resp)
161 {
162 int nfserr;
163 u32 max_blocksize = svc_max_payload(rqstp);
164
165 dprintk("nfsd: READ(3) %s %lu bytes at %lu\n",
166 SVCFH_fmt(&argp->fh),
167 (unsigned long) argp->count,
168 (unsigned long) argp->offset);
169
170 /* Obtain buffer pointer for payload.
171 * 1 (status) + 22 (post_op_attr) + 1 (count) + 1 (eof)
172 * + 1 (xdr opaque byte count) = 26
173 */
174
175 resp->count = argp->count;
176 if (max_blocksize < resp->count)
177 resp->count = max_blocksize;
178
179 svc_reserve(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4);
180
181 fh_copy(&resp->fh, &argp->fh);
182 nfserr = nfsd_read(rqstp, &resp->fh, NULL,
183 argp->offset,
184 rqstp->rq_vec, argp->vlen,
185 &resp->count);
186 if (nfserr == 0) {
187 struct inode *inode = resp->fh.fh_dentry->d_inode;
188
189 resp->eof = (argp->offset + resp->count) >= inode->i_size;
190 }
191
192 RETURN_STATUS(nfserr);
193 }
194
195 /*
196 * Write data to a file
197 */
198 static int
199 nfsd3_proc_write(struct svc_rqst *rqstp, struct nfsd3_writeargs *argp,
200 struct nfsd3_writeres *resp)
201 {
202 int nfserr;
203
204 dprintk("nfsd: WRITE(3) %s %d bytes at %ld%s\n",
205 SVCFH_fmt(&argp->fh),
206 argp->len,
207 (unsigned long) argp->offset,
208 argp->stable? " stable" : "");
209
210 fh_copy(&resp->fh, &argp->fh);
211 resp->committed = argp->stable;
212 nfserr = nfsd_write(rqstp, &resp->fh, NULL,
213 argp->offset,
214 rqstp->rq_vec, argp->vlen,
215 argp->len,
216 &resp->committed);
217 resp->count = argp->count;
218 RETURN_STATUS(nfserr);
219 }
220
221 /*
222 * With NFSv3, CREATE processing is a lot easier than with NFSv2.
223 * At least in theory; we'll see how it fares in practice when the
224 * first reports about SunOS compatibility problems start to pour in...
225 */
226 static int
227 nfsd3_proc_create(struct svc_rqst *rqstp, struct nfsd3_createargs *argp,
228 struct nfsd3_diropres *resp)
229 {
230 svc_fh *dirfhp, *newfhp = NULL;
231 struct iattr *attr;
232 u32 nfserr;
233
234 dprintk("nfsd: CREATE(3) %s %.*s\n",
235 SVCFH_fmt(&argp->fh),
236 argp->len,
237 argp->name);
238
239 dirfhp = fh_copy(&resp->dirfh, &argp->fh);
240 newfhp = fh_init(&resp->fh, NFS3_FHSIZE);
241 attr = &argp->attrs;
242
243 /* Get the directory inode */
244 nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, MAY_CREATE);
245 if (nfserr)
246 RETURN_STATUS(nfserr);
247
248 /* Unfudge the mode bits */
249 attr->ia_mode &= ~S_IFMT;
250 if (!(attr->ia_valid & ATTR_MODE)) {
251 attr->ia_valid |= ATTR_MODE;
252 attr->ia_mode = S_IFREG;
253 } else {
254 attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG;
255 }
256
257 /* Now create the file and set attributes */
258 nfserr = nfsd_create_v3(rqstp, dirfhp, argp->name, argp->len,
259 attr, newfhp,
260 argp->createmode, argp->verf, NULL);
261
262 RETURN_STATUS(nfserr);
263 }
264
265 /*
266 * Make directory. This operation is not idempotent.
267 */
268 static int
269 nfsd3_proc_mkdir(struct svc_rqst *rqstp, struct nfsd3_createargs *argp,
270 struct nfsd3_diropres *resp)
271 {
272 int nfserr;
273
274 dprintk("nfsd: MKDIR(3) %s %.*s\n",
275 SVCFH_fmt(&argp->fh),
276 argp->len,
277 argp->name);
278
279 argp->attrs.ia_valid &= ~ATTR_SIZE;
280 fh_copy(&resp->dirfh, &argp->fh);
281 fh_init(&resp->fh, NFS3_FHSIZE);
282 nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
283 &argp->attrs, S_IFDIR, 0, &resp->fh);
284
285 RETURN_STATUS(nfserr);
286 }
287
288 static int
289 nfsd3_proc_symlink(struct svc_rqst *rqstp, struct nfsd3_symlinkargs *argp,
290 struct nfsd3_diropres *resp)
291 {
292 int nfserr;
293
294 dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n",
295 SVCFH_fmt(&argp->ffh),
296 argp->flen, argp->fname,
297 argp->tlen, argp->tname);
298
299 fh_copy(&resp->dirfh, &argp->ffh);
300 fh_init(&resp->fh, NFS3_FHSIZE);
301 nfserr = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, argp->flen,
302 argp->tname, argp->tlen,
303 &resp->fh, &argp->attrs);
304 RETURN_STATUS(nfserr);
305 }
306
307 /*
308 * Make socket/fifo/device.
309 */
310 static int
311 nfsd3_proc_mknod(struct svc_rqst *rqstp, struct nfsd3_mknodargs *argp,
312 struct nfsd3_diropres *resp)
313 {
314 int nfserr, type;
315 dev_t rdev = 0;
316
317 dprintk("nfsd: MKNOD(3) %s %.*s\n",
318 SVCFH_fmt(&argp->fh),
319 argp->len,
320 argp->name);
321
322 fh_copy(&resp->dirfh, &argp->fh);
323 fh_init(&resp->fh, NFS3_FHSIZE);
324
325 if (argp->ftype == 0 || argp->ftype >= NF3BAD)
326 RETURN_STATUS(nfserr_inval);
327 if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) {
328 rdev = MKDEV(argp->major, argp->minor);
329 if (MAJOR(rdev) != argp->major ||
330 MINOR(rdev) != argp->minor)
331 RETURN_STATUS(nfserr_inval);
332 } else
333 if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO)
334 RETURN_STATUS(nfserr_inval);
335
336 type = nfs3_ftypes[argp->ftype];
337 nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
338 &argp->attrs, type, rdev, &resp->fh);
339
340 RETURN_STATUS(nfserr);
341 }
342
343 /*
344 * Remove file/fifo/socket etc.
345 */
346 static int
347 nfsd3_proc_remove(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
348 struct nfsd3_attrstat *resp)
349 {
350 int nfserr;
351
352 dprintk("nfsd: REMOVE(3) %s %.*s\n",
353 SVCFH_fmt(&argp->fh),
354 argp->len,
355 argp->name);
356
357 /* Unlink. -S_IFDIR means file must not be a directory */
358 fh_copy(&resp->fh, &argp->fh);
359 nfserr = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, argp->name, argp->len);
360 RETURN_STATUS(nfserr);
361 }
362
363 /*
364 * Remove a directory
365 */
366 static int
367 nfsd3_proc_rmdir(struct svc_rqst *rqstp, struct nfsd3_diropargs *argp,
368 struct nfsd3_attrstat *resp)
369 {
370 int nfserr;
371
372 dprintk("nfsd: RMDIR(3) %s %.*s\n",
373 SVCFH_fmt(&argp->fh),
374 argp->len,
375 argp->name);
376
377 fh_copy(&resp->fh, &argp->fh);
378 nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len);
379 RETURN_STATUS(nfserr);
380 }
381
382 static int
383 nfsd3_proc_rename(struct svc_rqst *rqstp, struct nfsd3_renameargs *argp,
384 struct nfsd3_renameres *resp)
385 {
386 int nfserr;
387
388 dprintk("nfsd: RENAME(3) %s %.*s ->\n",
389 SVCFH_fmt(&argp->ffh),
390 argp->flen,
391 argp->fname);
392 dprintk("nfsd: -> %s %.*s\n",
393 SVCFH_fmt(&argp->tfh),
394 argp->tlen,
395 argp->tname);
396
397 fh_copy(&resp->ffh, &argp->ffh);
398 fh_copy(&resp->tfh, &argp->tfh);
399 nfserr = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen,
400 &resp->tfh, argp->tname, argp->tlen);
401 RETURN_STATUS(nfserr);
402 }
403
404 static int
405 nfsd3_proc_link(struct svc_rqst *rqstp, struct nfsd3_linkargs *argp,
406 struct nfsd3_linkres *resp)
407 {
408 int nfserr;
409
410 dprintk("nfsd: LINK(3) %s ->\n",
411 SVCFH_fmt(&argp->ffh));
412 dprintk("nfsd: -> %s %.*s\n",
413 SVCFH_fmt(&argp->tfh),
414 argp->tlen,
415 argp->tname);
416
417 fh_copy(&resp->fh, &argp->ffh);
418 fh_copy(&resp->tfh, &argp->tfh);
419 nfserr = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen,
420 &resp->fh);
421 RETURN_STATUS(nfserr);
422 }
423
424 /*
425 * Read a portion of a directory.
426 */
427 static int
428 nfsd3_proc_readdir(struct svc_rqst *rqstp, struct nfsd3_readdirargs *argp,
429 struct nfsd3_readdirres *resp)
430 {
431 int nfserr, count;
432
433 dprintk("nfsd: READDIR(3) %s %d bytes at %d\n",
434 SVCFH_fmt(&argp->fh),
435 argp->count, (u32) argp->cookie);
436
437 /* Make sure we've room for the NULL ptr & eof flag, and shrink to
438 * client read size */
439 count = (argp->count >> 2) - 2;
440
441 /* Read directory and encode entries on the fly */
442 fh_copy(&resp->fh, &argp->fh);
443
444 resp->buflen = count;
445 resp->common.err = nfs_ok;
446 resp->buffer = argp->buffer;
447 resp->rqstp = rqstp;
448 nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie,
449 &resp->common, nfs3svc_encode_entry);
450 memcpy(resp->verf, argp->verf, 8);
451 resp->count = resp->buffer - argp->buffer;
452 if (resp->offset)
453 xdr_encode_hyper(resp->offset, argp->cookie);
454
455 RETURN_STATUS(nfserr);
456 }
457
458 /*
459 * Read a portion of a directory, including file handles and attrs.
460 * For now, we choose to ignore the dircount parameter.
461 */
462 static int
463 nfsd3_proc_readdirplus(struct svc_rqst *rqstp, struct nfsd3_readdirargs *argp,
464 struct nfsd3_readdirres *resp)
465 {
466 int nfserr, count = 0;
467 loff_t offset;
468 int i;
469 caddr_t page_addr = NULL;
470
471 dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n",
472 SVCFH_fmt(&argp->fh),
473 argp->count, (u32) argp->cookie);
474
475 /* Convert byte count to number of words (i.e. >> 2),
476 * and reserve room for the NULL ptr & eof flag (-2 words) */
477 resp->count = (argp->count >> 2) - 2;
478
479 /* Read directory and encode entries on the fly */
480 fh_copy(&resp->fh, &argp->fh);
481
482 resp->common.err = nfs_ok;
483 resp->buffer = argp->buffer;
484 resp->buflen = resp->count;
485 resp->rqstp = rqstp;
486 offset = argp->cookie;
487 nfserr = nfsd_readdir(rqstp, &resp->fh,
488 &offset,
489 &resp->common,
490 nfs3svc_encode_entry_plus);
491 memcpy(resp->verf, argp->verf, 8);
492 for (i=1; i<rqstp->rq_resused ; i++) {
493 page_addr = page_address(rqstp->rq_respages[i]);
494
495 if (((caddr_t)resp->buffer >= page_addr) &&
496 ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) {
497 count += (caddr_t)resp->buffer - page_addr;
498 break;
499 }
500 count += PAGE_SIZE;
501 }
502 resp->count = count >> 2;
503 if (resp->offset) {
504 if (unlikely(resp->offset1)) {
505 /* we ended up with offset on a page boundary */
506 *resp->offset = htonl(offset >> 32);
507 *resp->offset1 = htonl(offset & 0xffffffff);
508 resp->offset1 = NULL;
509 } else {
510 xdr_encode_hyper(resp->offset, offset);
511 }
512 }
513
514 RETURN_STATUS(nfserr);
515 }
516
517 /*
518 * Get file system stats
519 */
520 static int
521 nfsd3_proc_fsstat(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
522 struct nfsd3_fsstatres *resp)
523 {
524 int nfserr;
525
526 dprintk("nfsd: FSSTAT(3) %s\n",
527 SVCFH_fmt(&argp->fh));
528
529 nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats);
530 fh_put(&argp->fh);
531 RETURN_STATUS(nfserr);
532 }
533
534 /*
535 * Get file system info
536 */
537 static int
538 nfsd3_proc_fsinfo(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
539 struct nfsd3_fsinfores *resp)
540 {
541 int nfserr;
542 u32 max_blocksize = svc_max_payload(rqstp);
543
544 dprintk("nfsd: FSINFO(3) %s\n",
545 SVCFH_fmt(&argp->fh));
546
547 resp->f_rtmax = max_blocksize;
548 resp->f_rtpref = max_blocksize;
549 resp->f_rtmult = PAGE_SIZE;
550 resp->f_wtmax = max_blocksize;
551 resp->f_wtpref = max_blocksize;
552 resp->f_wtmult = PAGE_SIZE;
553 resp->f_dtpref = PAGE_SIZE;
554 resp->f_maxfilesize = ~(u32) 0;
555 resp->f_properties = NFS3_FSF_DEFAULT;
556
557 nfserr = fh_verify(rqstp, &argp->fh, 0, MAY_NOP);
558
559 /* Check special features of the file system. May request
560 * different read/write sizes for file systems known to have
561 * problems with large blocks */
562 if (nfserr == 0) {
563 struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb;
564
565 /* Note that we don't care for remote fs's here */
566 if (sb->s_magic == 0x4d44 /* MSDOS_SUPER_MAGIC */) {
567 resp->f_properties = NFS3_FSF_BILLYBOY;
568 }
569 resp->f_maxfilesize = sb->s_maxbytes;
570 }
571
572 fh_put(&argp->fh);
573 RETURN_STATUS(nfserr);
574 }
575
576 /*
577 * Get pathconf info for the specified file
578 */
579 static int
580 nfsd3_proc_pathconf(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
581 struct nfsd3_pathconfres *resp)
582 {
583 int nfserr;
584
585 dprintk("nfsd: PATHCONF(3) %s\n",
586 SVCFH_fmt(&argp->fh));
587
588 /* Set default pathconf */
589 resp->p_link_max = 255; /* at least */
590 resp->p_name_max = 255; /* at least */
591 resp->p_no_trunc = 0;
592 resp->p_chown_restricted = 1;
593 resp->p_case_insensitive = 0;
594 resp->p_case_preserving = 1;
595
596 nfserr = fh_verify(rqstp, &argp->fh, 0, MAY_NOP);
597
598 if (nfserr == 0) {
599 struct super_block *sb = argp->fh.fh_dentry->d_inode->i_sb;
600
601 /* Note that we don't care for remote fs's here */
602 switch (sb->s_magic) {
603 case EXT2_SUPER_MAGIC:
604 resp->p_link_max = EXT2_LINK_MAX;
605 resp->p_name_max = EXT2_NAME_LEN;
606 break;
607 case 0x4d44: /* MSDOS_SUPER_MAGIC */
608 resp->p_case_insensitive = 1;
609 resp->p_case_preserving = 0;
610 break;
611 }
612 }
613
614 fh_put(&argp->fh);
615 RETURN_STATUS(nfserr);
616 }
617
618
619 /*
620 * Commit a file (range) to stable storage.
621 */
622 static int
623 nfsd3_proc_commit(struct svc_rqst * rqstp, struct nfsd3_commitargs *argp,
624 struct nfsd3_commitres *resp)
625 {
626 int nfserr;
627
628 dprintk("nfsd: COMMIT(3) %s %u@%Lu\n",
629 SVCFH_fmt(&argp->fh),
630 argp->count,
631 (unsigned long long) argp->offset);
632
633 if (argp->offset > NFS_OFFSET_MAX)
634 RETURN_STATUS(nfserr_inval);
635
636 fh_copy(&resp->fh, &argp->fh);
637 nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count);
638
639 RETURN_STATUS(nfserr);
640 }
641
642
643 /*
644 * NFSv3 Server procedures.
645 * Only the results of non-idempotent operations are cached.
646 */
647 #define nfs3svc_decode_voidargs NULL
648 #define nfs3svc_release_void NULL
649 #define nfs3svc_decode_fhandleargs nfs3svc_decode_fhandle
650 #define nfs3svc_encode_attrstatres nfs3svc_encode_attrstat
651 #define nfs3svc_encode_wccstatres nfs3svc_encode_wccstat
652 #define nfsd3_mkdirargs nfsd3_createargs
653 #define nfsd3_readdirplusargs nfsd3_readdirargs
654 #define nfsd3_fhandleargs nfsd_fhandle
655 #define nfsd3_fhandleres nfsd3_attrstat
656 #define nfsd3_attrstatres nfsd3_attrstat
657 #define nfsd3_wccstatres nfsd3_attrstat
658 #define nfsd3_createres nfsd3_diropres
659 #define nfsd3_voidres nfsd3_voidargs
660 struct nfsd3_voidargs { int dummy; };
661
662 #define PROC(name, argt, rest, relt, cache, respsize) \
663 { (svc_procfunc) nfsd3_proc_##name, \
664 (kxdrproc_t) nfs3svc_decode_##argt##args, \
665 (kxdrproc_t) nfs3svc_encode_##rest##res, \
666 (kxdrproc_t) nfs3svc_release_##relt, \
667 sizeof(struct nfsd3_##argt##args), \
668 sizeof(struct nfsd3_##rest##res), \
669 0, \
670 cache, \
671 respsize, \
672 }
673
674 #define ST 1 /* status*/
675 #define FH 17 /* filehandle with length */
676 #define AT 21 /* attributes */
677 #define pAT (1+AT) /* post attributes - conditional */
678 #define WC (7+pAT) /* WCC attributes */
679
680 static struct svc_procedure nfsd_procedures3[22] = {
681 PROC(null, void, void, void, RC_NOCACHE, ST),
682 PROC(getattr, fhandle, attrstat, fhandle, RC_NOCACHE, ST+AT),
683 PROC(setattr, sattr, wccstat, fhandle, RC_REPLBUFF, ST+WC),
684 PROC(lookup, dirop, dirop, fhandle2, RC_NOCACHE, ST+FH+pAT+pAT),
685 PROC(access, access, access, fhandle, RC_NOCACHE, ST+pAT+1),
686 PROC(readlink, readlink, readlink, fhandle, RC_NOCACHE, ST+pAT+1+NFS3_MAXPATHLEN/4),
687 PROC(read, read, read, fhandle, RC_NOCACHE, ST+pAT+4+NFSSVC_MAXBLKSIZE/4),
688 PROC(write, write, write, fhandle, RC_REPLBUFF, ST+WC+4),
689 PROC(create, create, create, fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
690 PROC(mkdir, mkdir, create, fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
691 PROC(symlink, symlink, create, fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
692 PROC(mknod, mknod, create, fhandle2, RC_REPLBUFF, ST+(1+FH+pAT)+WC),
693 PROC(remove, dirop, wccstat, fhandle, RC_REPLBUFF, ST+WC),
694 PROC(rmdir, dirop, wccstat, fhandle, RC_REPLBUFF, ST+WC),
695 PROC(rename, rename, rename, fhandle2, RC_REPLBUFF, ST+WC+WC),
696 PROC(link, link, link, fhandle2, RC_REPLBUFF, ST+pAT+WC),
697 PROC(readdir, readdir, readdir, fhandle, RC_NOCACHE, 0),
698 PROC(readdirplus,readdirplus, readdir, fhandle, RC_NOCACHE, 0),
699 PROC(fsstat, fhandle, fsstat, void, RC_NOCACHE, ST+pAT+2*6+1),
700 PROC(fsinfo, fhandle, fsinfo, void, RC_NOCACHE, ST+pAT+12),
701 PROC(pathconf, fhandle, pathconf, void, RC_NOCACHE, ST+pAT+6),
702 PROC(commit, commit, commit, fhandle, RC_NOCACHE, ST+WC+2),
703 };
704
705 struct svc_version nfsd_version3 = {
706 .vs_vers = 3,
707 .vs_nproc = 22,
708 .vs_proc = nfsd_procedures3,
709 .vs_dispatch = nfsd_dispatch,
710 .vs_xdrsize = NFS3_SVC_XDRSIZE,
711 };
kernel source for telekom puls (alcatel/mediatek)