1 // SPDX-License-Identifier: GPL-2.0
3 * Process version 3 NFS requests.
5 * Copyright (C) 1996, 1997, 1998 Olaf Kirch <okir@monad.swb.de>
9 #include <linux/ext2_fs.h>
10 #include <linux/magic.h>
16 #define NFSDDBG_FACILITY NFSDDBG_PROC
18 #define RETURN_STATUS(st) { resp->status = (st); return (st); }
20 static int nfs3_ftypes[] = {
27 S_IFSOCK, /* NF3SOCK */
28 S_IFIFO, /* NF3FIFO */
35 nfsd3_proc_null(struct svc_rqst *rqstp)
41 * Get a file's attributes
44 nfsd3_proc_getattr(struct svc_rqst *rqstp)
46 struct nfsd_fhandle *argp = rqstp->rq_argp;
47 struct nfsd3_attrstat *resp = rqstp->rq_resp;
50 dprintk("nfsd: GETATTR(3) %s\n",
51 SVCFH_fmt(&argp->fh));
53 fh_copy(&resp->fh, &argp->fh);
54 nfserr = fh_verify(rqstp, &resp->fh, 0,
55 NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
57 RETURN_STATUS(nfserr);
59 nfserr = fh_getattr(&resp->fh, &resp->stat);
61 RETURN_STATUS(nfserr);
65 * Set a file's attributes
68 nfsd3_proc_setattr(struct svc_rqst *rqstp)
70 struct nfsd3_sattrargs *argp = rqstp->rq_argp;
71 struct nfsd3_attrstat *resp = rqstp->rq_resp;
74 dprintk("nfsd: SETATTR(3) %s\n",
75 SVCFH_fmt(&argp->fh));
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);
84 * Look up a path name component
87 nfsd3_proc_lookup(struct svc_rqst *rqstp)
89 struct nfsd3_diropargs *argp = rqstp->rq_argp;
90 struct nfsd3_diropres *resp = rqstp->rq_resp;
93 dprintk("nfsd: LOOKUP(3) %s %.*s\n",
98 fh_copy(&resp->dirfh, &argp->fh);
99 fh_init(&resp->fh, NFS3_FHSIZE);
101 nfserr = nfsd_lookup(rqstp, &resp->dirfh,
105 RETURN_STATUS(nfserr);
112 nfsd3_proc_access(struct svc_rqst *rqstp)
114 struct nfsd3_accessargs *argp = rqstp->rq_argp;
115 struct nfsd3_accessres *resp = rqstp->rq_resp;
118 dprintk("nfsd: ACCESS(3) %s 0x%x\n",
119 SVCFH_fmt(&argp->fh),
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);
132 nfsd3_proc_readlink(struct svc_rqst *rqstp)
134 struct nfsd3_readlinkargs *argp = rqstp->rq_argp;
135 struct nfsd3_readlinkres *resp = rqstp->rq_resp;
138 dprintk("nfsd: READLINK(3) %s\n", SVCFH_fmt(&argp->fh));
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);
148 * Read a portion of a file.
151 nfsd3_proc_read(struct svc_rqst *rqstp)
153 struct nfsd3_readargs *argp = rqstp->rq_argp;
154 struct nfsd3_readres *resp = rqstp->rq_resp;
156 u32 max_blocksize = svc_max_payload(rqstp);
157 unsigned long cnt = min(argp->count, max_blocksize);
159 dprintk("nfsd: READ(3) %s %lu bytes at %Lu\n",
160 SVCFH_fmt(&argp->fh),
161 (unsigned long) argp->count,
162 (unsigned long long) argp->offset);
164 /* Obtain buffer pointer for payload.
165 * 1 (status) + 22 (post_op_attr) + 1 (count) + 1 (eof)
166 * + 1 (xdr opaque byte count) = 26
169 svc_reserve_auth(rqstp, ((1 + NFS3_POST_OP_ATTR_WORDS + 3)<<2) + resp->count +4);
171 fh_copy(&resp->fh, &argp->fh);
172 nfserr = nfsd_read(rqstp, &resp->fh,
174 rqstp->rq_vec, argp->vlen,
177 struct inode *inode = d_inode(resp->fh.fh_dentry);
178 resp->eof = nfsd_eof_on_read(cnt, resp->count, argp->offset,
182 RETURN_STATUS(nfserr);
186 * Write data to a file
189 nfsd3_proc_write(struct svc_rqst *rqstp)
191 struct nfsd3_writeargs *argp = rqstp->rq_argp;
192 struct nfsd3_writeres *resp = rqstp->rq_resp;
194 unsigned long cnt = argp->len;
197 dprintk("nfsd: WRITE(3) %s %d bytes at %Lu%s\n",
198 SVCFH_fmt(&argp->fh),
200 (unsigned long long) argp->offset,
201 argp->stable? " stable" : "");
203 fh_copy(&resp->fh, &argp->fh);
204 resp->committed = argp->stable;
205 nvecs = svc_fill_write_vector(rqstp, rqstp->rq_arg.pages,
208 RETURN_STATUS(nfserr_io);
209 nfserr = nfsd_write(rqstp, &resp->fh, argp->offset,
210 rqstp->rq_vec, nvecs, &cnt,
213 RETURN_STATUS(nfserr);
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...
222 nfsd3_proc_create(struct svc_rqst *rqstp)
224 struct nfsd3_createargs *argp = rqstp->rq_argp;
225 struct nfsd3_diropres *resp = rqstp->rq_resp;
226 svc_fh *dirfhp, *newfhp = NULL;
230 dprintk("nfsd: CREATE(3) %s %.*s\n",
231 SVCFH_fmt(&argp->fh),
235 dirfhp = fh_copy(&resp->dirfh, &argp->fh);
236 newfhp = fh_init(&resp->fh, NFS3_FHSIZE);
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;
245 attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG;
248 /* Now create the file and set attributes */
249 nfserr = do_nfsd_create(rqstp, dirfhp, argp->name, argp->len,
251 argp->createmode, (u32 *)argp->verf, NULL, NULL);
253 RETURN_STATUS(nfserr);
257 * Make directory. This operation is not idempotent.
260 nfsd3_proc_mkdir(struct svc_rqst *rqstp)
262 struct nfsd3_createargs *argp = rqstp->rq_argp;
263 struct nfsd3_diropres *resp = rqstp->rq_resp;
266 dprintk("nfsd: MKDIR(3) %s %.*s\n",
267 SVCFH_fmt(&argp->fh),
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);
276 fh_unlock(&resp->dirfh);
277 RETURN_STATUS(nfserr);
281 nfsd3_proc_symlink(struct svc_rqst *rqstp)
283 struct nfsd3_symlinkargs *argp = rqstp->rq_argp;
284 struct nfsd3_diropres *resp = rqstp->rq_resp;
288 RETURN_STATUS(nfserr_inval);
289 if (argp->tlen > NFS3_MAXPATHLEN)
290 RETURN_STATUS(nfserr_nametoolong);
292 argp->tname = svc_fill_symlink_pathname(rqstp, &argp->first,
293 page_address(rqstp->rq_arg.pages[0]),
295 if (IS_ERR(argp->tname))
296 RETURN_STATUS(nfserrno(PTR_ERR(argp->tname)));
298 dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n",
299 SVCFH_fmt(&argp->ffh),
300 argp->flen, argp->fname,
301 argp->tlen, argp->tname);
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,
306 argp->tname, &resp->fh);
308 RETURN_STATUS(nfserr);
312 * Make socket/fifo/device.
315 nfsd3_proc_mknod(struct svc_rqst *rqstp)
317 struct nfsd3_mknodargs *argp = rqstp->rq_argp;
318 struct nfsd3_diropres *resp = rqstp->rq_resp;
323 dprintk("nfsd: MKNOD(3) %s %.*s\n",
324 SVCFH_fmt(&argp->fh),
328 fh_copy(&resp->dirfh, &argp->fh);
329 fh_init(&resp->fh, NFS3_FHSIZE);
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);
339 if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO)
340 RETURN_STATUS(nfserr_inval);
342 type = nfs3_ftypes[argp->ftype];
343 nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
344 &argp->attrs, type, rdev, &resp->fh);
345 fh_unlock(&resp->dirfh);
346 RETURN_STATUS(nfserr);
350 * Remove file/fifo/socket etc.
353 nfsd3_proc_remove(struct svc_rqst *rqstp)
355 struct nfsd3_diropargs *argp = rqstp->rq_argp;
356 struct nfsd3_attrstat *resp = rqstp->rq_resp;
359 dprintk("nfsd: REMOVE(3) %s %.*s\n",
360 SVCFH_fmt(&argp->fh),
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);
367 fh_unlock(&resp->fh);
368 RETURN_STATUS(nfserr);
375 nfsd3_proc_rmdir(struct svc_rqst *rqstp)
377 struct nfsd3_diropargs *argp = rqstp->rq_argp;
378 struct nfsd3_attrstat *resp = rqstp->rq_resp;
381 dprintk("nfsd: RMDIR(3) %s %.*s\n",
382 SVCFH_fmt(&argp->fh),
386 fh_copy(&resp->fh, &argp->fh);
387 nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len);
388 fh_unlock(&resp->fh);
389 RETURN_STATUS(nfserr);
393 nfsd3_proc_rename(struct svc_rqst *rqstp)
395 struct nfsd3_renameargs *argp = rqstp->rq_argp;
396 struct nfsd3_renameres *resp = rqstp->rq_resp;
399 dprintk("nfsd: RENAME(3) %s %.*s ->\n",
400 SVCFH_fmt(&argp->ffh),
403 dprintk("nfsd: -> %s %.*s\n",
404 SVCFH_fmt(&argp->tfh),
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);
416 nfsd3_proc_link(struct svc_rqst *rqstp)
418 struct nfsd3_linkargs *argp = rqstp->rq_argp;
419 struct nfsd3_linkres *resp = rqstp->rq_resp;
422 dprintk("nfsd: LINK(3) %s ->\n",
423 SVCFH_fmt(&argp->ffh));
424 dprintk("nfsd: -> %s %.*s\n",
425 SVCFH_fmt(&argp->tfh),
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,
433 RETURN_STATUS(nfserr);
437 * Read a portion of a directory.
440 nfsd3_proc_readdir(struct svc_rqst *rqstp)
442 struct nfsd3_readdirargs *argp = rqstp->rq_argp;
443 struct nfsd3_readdirres *resp = rqstp->rq_resp;
447 caddr_t page_addr = NULL;
449 dprintk("nfsd: READDIR(3) %s %d bytes at %d\n",
450 SVCFH_fmt(&argp->fh),
451 argp->count, (u32) argp->cookie);
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;
457 /* Read directory and encode entries on the fly */
458 fh_copy(&resp->fh, &argp->fh);
460 resp->buflen = count;
461 resp->common.err = nfs_ok;
462 resp->buffer = argp->buffer;
464 nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie,
465 &resp->common, nfs3svc_encode_entry);
466 memcpy(resp->verf, argp->verf, 8);
468 for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) {
469 page_addr = page_address(*p);
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;
478 resp->count = count >> 2;
480 loff_t offset = argp->cookie;
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;
488 xdr_encode_hyper(resp->offset, offset);
493 RETURN_STATUS(nfserr);
497 * Read a portion of a directory, including file handles and attrs.
498 * For now, we choose to ignore the dircount parameter.
501 nfsd3_proc_readdirplus(struct svc_rqst *rqstp)
503 struct nfsd3_readdirargs *argp = rqstp->rq_argp;
504 struct nfsd3_readdirres *resp = rqstp->rq_resp;
509 caddr_t page_addr = NULL;
511 dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n",
512 SVCFH_fmt(&argp->fh),
513 argp->count, (u32) argp->cookie);
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;
519 /* Read directory and encode entries on the fly */
520 fh_copy(&resp->fh, &argp->fh);
522 resp->common.err = nfs_ok;
523 resp->buffer = argp->buffer;
524 resp->buflen = resp->count;
526 offset = argp->cookie;
528 nfserr = fh_verify(rqstp, &resp->fh, S_IFDIR, NFSD_MAY_NOP);
530 RETURN_STATUS(nfserr);
532 if (resp->fh.fh_export->ex_flags & NFSEXP_NOREADDIRPLUS)
533 RETURN_STATUS(nfserr_notsupp);
535 nfserr = nfsd_readdir(rqstp, &resp->fh,
538 nfs3svc_encode_entry_plus);
539 memcpy(resp->verf, argp->verf, 8);
540 for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) {
541 page_addr = page_address(*p);
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;
550 resp->count = count >> 2;
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;
558 xdr_encode_hyper(resp->offset, offset);
563 RETURN_STATUS(nfserr);
567 * Get file system stats
570 nfsd3_proc_fsstat(struct svc_rqst *rqstp)
572 struct nfsd_fhandle *argp = rqstp->rq_argp;
573 struct nfsd3_fsstatres *resp = rqstp->rq_resp;
576 dprintk("nfsd: FSSTAT(3) %s\n",
577 SVCFH_fmt(&argp->fh));
579 nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0);
581 RETURN_STATUS(nfserr);
585 * Get file system info
588 nfsd3_proc_fsinfo(struct svc_rqst *rqstp)
590 struct nfsd_fhandle *argp = rqstp->rq_argp;
591 struct nfsd3_fsinfores *resp = rqstp->rq_resp;
593 u32 max_blocksize = svc_max_payload(rqstp);
595 dprintk("nfsd: FSINFO(3) %s\n",
596 SVCFH_fmt(&argp->fh));
598 resp->f_rtmax = max_blocksize;
599 resp->f_rtpref = max_blocksize;
600 resp->f_rtmult = PAGE_SIZE;
601 resp->f_wtmax = max_blocksize;
602 resp->f_wtpref = max_blocksize;
603 resp->f_wtmult = PAGE_SIZE;
604 resp->f_dtpref = max_blocksize;
605 resp->f_maxfilesize = ~(u32) 0;
606 resp->f_properties = NFS3_FSF_DEFAULT;
608 nfserr = fh_verify(rqstp, &argp->fh, 0,
609 NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
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 */
615 struct super_block *sb = argp->fh.fh_dentry->d_sb;
617 /* Note that we don't care for remote fs's here */
618 if (sb->s_magic == MSDOS_SUPER_MAGIC) {
619 resp->f_properties = NFS3_FSF_BILLYBOY;
621 resp->f_maxfilesize = sb->s_maxbytes;
625 RETURN_STATUS(nfserr);
629 * Get pathconf info for the specified file
632 nfsd3_proc_pathconf(struct svc_rqst *rqstp)
634 struct nfsd_fhandle *argp = rqstp->rq_argp;
635 struct nfsd3_pathconfres *resp = rqstp->rq_resp;
638 dprintk("nfsd: PATHCONF(3) %s\n",
639 SVCFH_fmt(&argp->fh));
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;
649 nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP);
652 struct super_block *sb = argp->fh.fh_dentry->d_sb;
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;
660 case MSDOS_SUPER_MAGIC:
661 resp->p_case_insensitive = 1;
662 resp->p_case_preserving = 0;
668 RETURN_STATUS(nfserr);
673 * Commit a file (range) to stable storage.
676 nfsd3_proc_commit(struct svc_rqst *rqstp)
678 struct nfsd3_commitargs *argp = rqstp->rq_argp;
679 struct nfsd3_commitres *resp = rqstp->rq_resp;
682 dprintk("nfsd: COMMIT(3) %s %u@%Lu\n",
683 SVCFH_fmt(&argp->fh),
685 (unsigned long long) argp->offset);
687 if (argp->offset > NFS_OFFSET_MAX)
688 RETURN_STATUS(nfserr_inval);
690 fh_copy(&resp->fh, &argp->fh);
691 nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count);
693 RETURN_STATUS(nfserr);
698 * NFSv3 Server procedures.
699 * Only the results of non-idempotent operations are cached.
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; };
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 */
720 static const struct svc_procedure nfsd_procedures3[22] = {
722 .pc_func = nfsd3_proc_null,
723 .pc_encode = nfs3svc_encode_voidres,
724 .pc_argsize = sizeof(struct nfsd3_voidargs),
725 .pc_ressize = sizeof(struct nfsd3_voidres),
726 .pc_cachetype = RC_NOCACHE,
729 [NFS3PROC_GETATTR] = {
730 .pc_func = nfsd3_proc_getattr,
731 .pc_decode = nfs3svc_decode_fhandleargs,
732 .pc_encode = nfs3svc_encode_attrstatres,
733 .pc_release = nfs3svc_release_fhandle,
734 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
735 .pc_ressize = sizeof(struct nfsd3_attrstatres),
736 .pc_cachetype = RC_NOCACHE,
737 .pc_xdrressize = ST+AT,
739 [NFS3PROC_SETATTR] = {
740 .pc_func = nfsd3_proc_setattr,
741 .pc_decode = nfs3svc_decode_sattrargs,
742 .pc_encode = nfs3svc_encode_wccstatres,
743 .pc_release = nfs3svc_release_fhandle,
744 .pc_argsize = sizeof(struct nfsd3_sattrargs),
745 .pc_ressize = sizeof(struct nfsd3_wccstatres),
746 .pc_cachetype = RC_REPLBUFF,
747 .pc_xdrressize = ST+WC,
749 [NFS3PROC_LOOKUP] = {
750 .pc_func = nfsd3_proc_lookup,
751 .pc_decode = nfs3svc_decode_diropargs,
752 .pc_encode = nfs3svc_encode_diropres,
753 .pc_release = nfs3svc_release_fhandle2,
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,
759 [NFS3PROC_ACCESS] = {
760 .pc_func = nfsd3_proc_access,
761 .pc_decode = nfs3svc_decode_accessargs,
762 .pc_encode = nfs3svc_encode_accessres,
763 .pc_release = nfs3svc_release_fhandle,
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,
769 [NFS3PROC_READLINK] = {
770 .pc_func = nfsd3_proc_readlink,
771 .pc_decode = nfs3svc_decode_readlinkargs,
772 .pc_encode = nfs3svc_encode_readlinkres,
773 .pc_release = nfs3svc_release_fhandle,
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,
780 .pc_func = nfsd3_proc_read,
781 .pc_decode = nfs3svc_decode_readargs,
782 .pc_encode = nfs3svc_encode_readres,
783 .pc_release = nfs3svc_release_fhandle,
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,
790 .pc_func = nfsd3_proc_write,
791 .pc_decode = nfs3svc_decode_writeargs,
792 .pc_encode = nfs3svc_encode_writeres,
793 .pc_release = nfs3svc_release_fhandle,
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,
799 [NFS3PROC_CREATE] = {
800 .pc_func = nfsd3_proc_create,
801 .pc_decode = nfs3svc_decode_createargs,
802 .pc_encode = nfs3svc_encode_createres,
803 .pc_release = nfs3svc_release_fhandle2,
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,
810 .pc_func = nfsd3_proc_mkdir,
811 .pc_decode = nfs3svc_decode_mkdirargs,
812 .pc_encode = nfs3svc_encode_createres,
813 .pc_release = nfs3svc_release_fhandle2,
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,
819 [NFS3PROC_SYMLINK] = {
820 .pc_func = nfsd3_proc_symlink,
821 .pc_decode = nfs3svc_decode_symlinkargs,
822 .pc_encode = nfs3svc_encode_createres,
823 .pc_release = nfs3svc_release_fhandle2,
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,
830 .pc_func = nfsd3_proc_mknod,
831 .pc_decode = nfs3svc_decode_mknodargs,
832 .pc_encode = nfs3svc_encode_createres,
833 .pc_release = nfs3svc_release_fhandle2,
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,
839 [NFS3PROC_REMOVE] = {
840 .pc_func = nfsd3_proc_remove,
841 .pc_decode = nfs3svc_decode_diropargs,
842 .pc_encode = nfs3svc_encode_wccstatres,
843 .pc_release = nfs3svc_release_fhandle,
844 .pc_argsize = sizeof(struct nfsd3_diropargs),
845 .pc_ressize = sizeof(struct nfsd3_wccstatres),
846 .pc_cachetype = RC_REPLBUFF,
847 .pc_xdrressize = ST+WC,
850 .pc_func = nfsd3_proc_rmdir,
851 .pc_decode = nfs3svc_decode_diropargs,
852 .pc_encode = nfs3svc_encode_wccstatres,
853 .pc_release = nfs3svc_release_fhandle,
854 .pc_argsize = sizeof(struct nfsd3_diropargs),
855 .pc_ressize = sizeof(struct nfsd3_wccstatres),
856 .pc_cachetype = RC_REPLBUFF,
857 .pc_xdrressize = ST+WC,
859 [NFS3PROC_RENAME] = {
860 .pc_func = nfsd3_proc_rename,
861 .pc_decode = nfs3svc_decode_renameargs,
862 .pc_encode = nfs3svc_encode_renameres,
863 .pc_release = nfs3svc_release_fhandle2,
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,
870 .pc_func = nfsd3_proc_link,
871 .pc_decode = nfs3svc_decode_linkargs,
872 .pc_encode = nfs3svc_encode_linkres,
873 .pc_release = nfs3svc_release_fhandle2,
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,
879 [NFS3PROC_READDIR] = {
880 .pc_func = nfsd3_proc_readdir,
881 .pc_decode = nfs3svc_decode_readdirargs,
882 .pc_encode = nfs3svc_encode_readdirres,
883 .pc_release = nfs3svc_release_fhandle,
884 .pc_argsize = sizeof(struct nfsd3_readdirargs),
885 .pc_ressize = sizeof(struct nfsd3_readdirres),
886 .pc_cachetype = RC_NOCACHE,
888 [NFS3PROC_READDIRPLUS] = {
889 .pc_func = nfsd3_proc_readdirplus,
890 .pc_decode = nfs3svc_decode_readdirplusargs,
891 .pc_encode = nfs3svc_encode_readdirres,
892 .pc_release = nfs3svc_release_fhandle,
893 .pc_argsize = sizeof(struct nfsd3_readdirplusargs),
894 .pc_ressize = sizeof(struct nfsd3_readdirres),
895 .pc_cachetype = RC_NOCACHE,
897 [NFS3PROC_FSSTAT] = {
898 .pc_func = nfsd3_proc_fsstat,
899 .pc_decode = nfs3svc_decode_fhandleargs,
900 .pc_encode = nfs3svc_encode_fsstatres,
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,
906 [NFS3PROC_FSINFO] = {
907 .pc_func = nfsd3_proc_fsinfo,
908 .pc_decode = nfs3svc_decode_fhandleargs,
909 .pc_encode = nfs3svc_encode_fsinfores,
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,
915 [NFS3PROC_PATHCONF] = {
916 .pc_func = nfsd3_proc_pathconf,
917 .pc_decode = nfs3svc_decode_fhandleargs,
918 .pc_encode = nfs3svc_encode_pathconfres,
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,
924 [NFS3PROC_COMMIT] = {
925 .pc_func = nfsd3_proc_commit,
926 .pc_decode = nfs3svc_decode_commitargs,
927 .pc_encode = nfs3svc_encode_commitres,
928 .pc_release = nfs3svc_release_fhandle,
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,
936 static unsigned int nfsd_count3[ARRAY_SIZE(nfsd_procedures3)];
937 const struct svc_version nfsd_version3 = {
940 .vs_proc = nfsd_procedures3,
941 .vs_dispatch = nfsd_dispatch,
942 .vs_count = nfsd_count3,
943 .vs_xdrsize = NFS3_SVC_XDRSIZE,