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, &argp->first, cnt);
207 RETURN_STATUS(nfserr_io);
208 nfserr = nfsd_write(rqstp, &resp->fh, argp->offset,
209 rqstp->rq_vec, nvecs, &cnt,
212 RETURN_STATUS(nfserr);
216 * With NFSv3, CREATE processing is a lot easier than with NFSv2.
217 * At least in theory; we'll see how it fares in practice when the
218 * first reports about SunOS compatibility problems start to pour in...
221 nfsd3_proc_create(struct svc_rqst *rqstp)
223 struct nfsd3_createargs *argp = rqstp->rq_argp;
224 struct nfsd3_diropres *resp = rqstp->rq_resp;
225 svc_fh *dirfhp, *newfhp = NULL;
229 dprintk("nfsd: CREATE(3) %s %.*s\n",
230 SVCFH_fmt(&argp->fh),
234 dirfhp = fh_copy(&resp->dirfh, &argp->fh);
235 newfhp = fh_init(&resp->fh, NFS3_FHSIZE);
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;
244 attr->ia_mode = (attr->ia_mode & ~S_IFMT) | S_IFREG;
247 /* Now create the file and set attributes */
248 nfserr = do_nfsd_create(rqstp, dirfhp, argp->name, argp->len,
250 argp->createmode, (u32 *)argp->verf, NULL, NULL);
252 RETURN_STATUS(nfserr);
256 * Make directory. This operation is not idempotent.
259 nfsd3_proc_mkdir(struct svc_rqst *rqstp)
261 struct nfsd3_createargs *argp = rqstp->rq_argp;
262 struct nfsd3_diropres *resp = rqstp->rq_resp;
265 dprintk("nfsd: MKDIR(3) %s %.*s\n",
266 SVCFH_fmt(&argp->fh),
270 argp->attrs.ia_valid &= ~ATTR_SIZE;
271 fh_copy(&resp->dirfh, &argp->fh);
272 fh_init(&resp->fh, NFS3_FHSIZE);
273 nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
274 &argp->attrs, S_IFDIR, 0, &resp->fh);
275 fh_unlock(&resp->dirfh);
276 RETURN_STATUS(nfserr);
280 nfsd3_proc_symlink(struct svc_rqst *rqstp)
282 struct nfsd3_symlinkargs *argp = rqstp->rq_argp;
283 struct nfsd3_diropres *resp = rqstp->rq_resp;
286 dprintk("nfsd: SYMLINK(3) %s %.*s -> %.*s\n",
287 SVCFH_fmt(&argp->ffh),
288 argp->flen, argp->fname,
289 argp->tlen, argp->tname);
291 fh_copy(&resp->dirfh, &argp->ffh);
292 fh_init(&resp->fh, NFS3_FHSIZE);
293 nfserr = nfsd_symlink(rqstp, &resp->dirfh, argp->fname, argp->flen,
294 argp->tname, &resp->fh);
295 RETURN_STATUS(nfserr);
299 * Make socket/fifo/device.
302 nfsd3_proc_mknod(struct svc_rqst *rqstp)
304 struct nfsd3_mknodargs *argp = rqstp->rq_argp;
305 struct nfsd3_diropres *resp = rqstp->rq_resp;
310 dprintk("nfsd: MKNOD(3) %s %.*s\n",
311 SVCFH_fmt(&argp->fh),
315 fh_copy(&resp->dirfh, &argp->fh);
316 fh_init(&resp->fh, NFS3_FHSIZE);
318 if (argp->ftype == 0 || argp->ftype >= NF3BAD)
319 RETURN_STATUS(nfserr_inval);
320 if (argp->ftype == NF3CHR || argp->ftype == NF3BLK) {
321 rdev = MKDEV(argp->major, argp->minor);
322 if (MAJOR(rdev) != argp->major ||
323 MINOR(rdev) != argp->minor)
324 RETURN_STATUS(nfserr_inval);
326 if (argp->ftype != NF3SOCK && argp->ftype != NF3FIFO)
327 RETURN_STATUS(nfserr_inval);
329 type = nfs3_ftypes[argp->ftype];
330 nfserr = nfsd_create(rqstp, &resp->dirfh, argp->name, argp->len,
331 &argp->attrs, type, rdev, &resp->fh);
332 fh_unlock(&resp->dirfh);
333 RETURN_STATUS(nfserr);
337 * Remove file/fifo/socket etc.
340 nfsd3_proc_remove(struct svc_rqst *rqstp)
342 struct nfsd3_diropargs *argp = rqstp->rq_argp;
343 struct nfsd3_attrstat *resp = rqstp->rq_resp;
346 dprintk("nfsd: REMOVE(3) %s %.*s\n",
347 SVCFH_fmt(&argp->fh),
351 /* Unlink. -S_IFDIR means file must not be a directory */
352 fh_copy(&resp->fh, &argp->fh);
353 nfserr = nfsd_unlink(rqstp, &resp->fh, -S_IFDIR, argp->name, argp->len);
354 fh_unlock(&resp->fh);
355 RETURN_STATUS(nfserr);
362 nfsd3_proc_rmdir(struct svc_rqst *rqstp)
364 struct nfsd3_diropargs *argp = rqstp->rq_argp;
365 struct nfsd3_attrstat *resp = rqstp->rq_resp;
368 dprintk("nfsd: RMDIR(3) %s %.*s\n",
369 SVCFH_fmt(&argp->fh),
373 fh_copy(&resp->fh, &argp->fh);
374 nfserr = nfsd_unlink(rqstp, &resp->fh, S_IFDIR, argp->name, argp->len);
375 fh_unlock(&resp->fh);
376 RETURN_STATUS(nfserr);
380 nfsd3_proc_rename(struct svc_rqst *rqstp)
382 struct nfsd3_renameargs *argp = rqstp->rq_argp;
383 struct nfsd3_renameres *resp = rqstp->rq_resp;
386 dprintk("nfsd: RENAME(3) %s %.*s ->\n",
387 SVCFH_fmt(&argp->ffh),
390 dprintk("nfsd: -> %s %.*s\n",
391 SVCFH_fmt(&argp->tfh),
395 fh_copy(&resp->ffh, &argp->ffh);
396 fh_copy(&resp->tfh, &argp->tfh);
397 nfserr = nfsd_rename(rqstp, &resp->ffh, argp->fname, argp->flen,
398 &resp->tfh, argp->tname, argp->tlen);
399 RETURN_STATUS(nfserr);
403 nfsd3_proc_link(struct svc_rqst *rqstp)
405 struct nfsd3_linkargs *argp = rqstp->rq_argp;
406 struct nfsd3_linkres *resp = rqstp->rq_resp;
409 dprintk("nfsd: LINK(3) %s ->\n",
410 SVCFH_fmt(&argp->ffh));
411 dprintk("nfsd: -> %s %.*s\n",
412 SVCFH_fmt(&argp->tfh),
416 fh_copy(&resp->fh, &argp->ffh);
417 fh_copy(&resp->tfh, &argp->tfh);
418 nfserr = nfsd_link(rqstp, &resp->tfh, argp->tname, argp->tlen,
420 RETURN_STATUS(nfserr);
424 * Read a portion of a directory.
427 nfsd3_proc_readdir(struct svc_rqst *rqstp)
429 struct nfsd3_readdirargs *argp = rqstp->rq_argp;
430 struct nfsd3_readdirres *resp = rqstp->rq_resp;
434 dprintk("nfsd: READDIR(3) %s %d bytes at %d\n",
435 SVCFH_fmt(&argp->fh),
436 argp->count, (u32) argp->cookie);
438 /* Make sure we've room for the NULL ptr & eof flag, and shrink to
439 * client read size */
440 count = (argp->count >> 2) - 2;
442 /* Read directory and encode entries on the fly */
443 fh_copy(&resp->fh, &argp->fh);
445 resp->buflen = count;
446 resp->common.err = nfs_ok;
447 resp->buffer = argp->buffer;
449 nfserr = nfsd_readdir(rqstp, &resp->fh, (loff_t*) &argp->cookie,
450 &resp->common, nfs3svc_encode_entry);
451 memcpy(resp->verf, argp->verf, 8);
452 resp->count = resp->buffer - argp->buffer;
454 xdr_encode_hyper(resp->offset, argp->cookie);
456 RETURN_STATUS(nfserr);
460 * Read a portion of a directory, including file handles and attrs.
461 * For now, we choose to ignore the dircount parameter.
464 nfsd3_proc_readdirplus(struct svc_rqst *rqstp)
466 struct nfsd3_readdirargs *argp = rqstp->rq_argp;
467 struct nfsd3_readdirres *resp = rqstp->rq_resp;
472 caddr_t page_addr = NULL;
474 dprintk("nfsd: READDIR+(3) %s %d bytes at %d\n",
475 SVCFH_fmt(&argp->fh),
476 argp->count, (u32) argp->cookie);
478 /* Convert byte count to number of words (i.e. >> 2),
479 * and reserve room for the NULL ptr & eof flag (-2 words) */
480 resp->count = (argp->count >> 2) - 2;
482 /* Read directory and encode entries on the fly */
483 fh_copy(&resp->fh, &argp->fh);
485 resp->common.err = nfs_ok;
486 resp->buffer = argp->buffer;
487 resp->buflen = resp->count;
489 offset = argp->cookie;
491 nfserr = fh_verify(rqstp, &resp->fh, S_IFDIR, NFSD_MAY_NOP);
493 RETURN_STATUS(nfserr);
495 if (resp->fh.fh_export->ex_flags & NFSEXP_NOREADDIRPLUS)
496 RETURN_STATUS(nfserr_notsupp);
498 nfserr = nfsd_readdir(rqstp, &resp->fh,
501 nfs3svc_encode_entry_plus);
502 memcpy(resp->verf, argp->verf, 8);
503 for (p = rqstp->rq_respages + 1; p < rqstp->rq_next_page; p++) {
504 page_addr = page_address(*p);
506 if (((caddr_t)resp->buffer >= page_addr) &&
507 ((caddr_t)resp->buffer < page_addr + PAGE_SIZE)) {
508 count += (caddr_t)resp->buffer - page_addr;
513 resp->count = count >> 2;
515 if (unlikely(resp->offset1)) {
516 /* we ended up with offset on a page boundary */
517 *resp->offset = htonl(offset >> 32);
518 *resp->offset1 = htonl(offset & 0xffffffff);
519 resp->offset1 = NULL;
521 xdr_encode_hyper(resp->offset, offset);
525 RETURN_STATUS(nfserr);
529 * Get file system stats
532 nfsd3_proc_fsstat(struct svc_rqst *rqstp)
534 struct nfsd_fhandle *argp = rqstp->rq_argp;
535 struct nfsd3_fsstatres *resp = rqstp->rq_resp;
538 dprintk("nfsd: FSSTAT(3) %s\n",
539 SVCFH_fmt(&argp->fh));
541 nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats, 0);
543 RETURN_STATUS(nfserr);
547 * Get file system info
550 nfsd3_proc_fsinfo(struct svc_rqst *rqstp)
552 struct nfsd_fhandle *argp = rqstp->rq_argp;
553 struct nfsd3_fsinfores *resp = rqstp->rq_resp;
555 u32 max_blocksize = svc_max_payload(rqstp);
557 dprintk("nfsd: FSINFO(3) %s\n",
558 SVCFH_fmt(&argp->fh));
560 resp->f_rtmax = max_blocksize;
561 resp->f_rtpref = max_blocksize;
562 resp->f_rtmult = PAGE_SIZE;
563 resp->f_wtmax = max_blocksize;
564 resp->f_wtpref = max_blocksize;
565 resp->f_wtmult = PAGE_SIZE;
566 resp->f_dtpref = PAGE_SIZE;
567 resp->f_maxfilesize = ~(u32) 0;
568 resp->f_properties = NFS3_FSF_DEFAULT;
570 nfserr = fh_verify(rqstp, &argp->fh, 0,
571 NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
573 /* Check special features of the file system. May request
574 * different read/write sizes for file systems known to have
575 * problems with large blocks */
577 struct super_block *sb = argp->fh.fh_dentry->d_sb;
579 /* Note that we don't care for remote fs's here */
580 if (sb->s_magic == MSDOS_SUPER_MAGIC) {
581 resp->f_properties = NFS3_FSF_BILLYBOY;
583 resp->f_maxfilesize = sb->s_maxbytes;
587 RETURN_STATUS(nfserr);
591 * Get pathconf info for the specified file
594 nfsd3_proc_pathconf(struct svc_rqst *rqstp)
596 struct nfsd_fhandle *argp = rqstp->rq_argp;
597 struct nfsd3_pathconfres *resp = rqstp->rq_resp;
600 dprintk("nfsd: PATHCONF(3) %s\n",
601 SVCFH_fmt(&argp->fh));
603 /* Set default pathconf */
604 resp->p_link_max = 255; /* at least */
605 resp->p_name_max = 255; /* at least */
606 resp->p_no_trunc = 0;
607 resp->p_chown_restricted = 1;
608 resp->p_case_insensitive = 0;
609 resp->p_case_preserving = 1;
611 nfserr = fh_verify(rqstp, &argp->fh, 0, NFSD_MAY_NOP);
614 struct super_block *sb = argp->fh.fh_dentry->d_sb;
616 /* Note that we don't care for remote fs's here */
617 switch (sb->s_magic) {
618 case EXT2_SUPER_MAGIC:
619 resp->p_link_max = EXT2_LINK_MAX;
620 resp->p_name_max = EXT2_NAME_LEN;
622 case MSDOS_SUPER_MAGIC:
623 resp->p_case_insensitive = 1;
624 resp->p_case_preserving = 0;
630 RETURN_STATUS(nfserr);
635 * Commit a file (range) to stable storage.
638 nfsd3_proc_commit(struct svc_rqst *rqstp)
640 struct nfsd3_commitargs *argp = rqstp->rq_argp;
641 struct nfsd3_commitres *resp = rqstp->rq_resp;
644 dprintk("nfsd: COMMIT(3) %s %u@%Lu\n",
645 SVCFH_fmt(&argp->fh),
647 (unsigned long long) argp->offset);
649 if (argp->offset > NFS_OFFSET_MAX)
650 RETURN_STATUS(nfserr_inval);
652 fh_copy(&resp->fh, &argp->fh);
653 nfserr = nfsd_commit(rqstp, &resp->fh, argp->offset, argp->count);
655 RETURN_STATUS(nfserr);
660 * NFSv3 Server procedures.
661 * Only the results of non-idempotent operations are cached.
663 #define nfs3svc_decode_fhandleargs nfs3svc_decode_fhandle
664 #define nfs3svc_encode_attrstatres nfs3svc_encode_attrstat
665 #define nfs3svc_encode_wccstatres nfs3svc_encode_wccstat
666 #define nfsd3_mkdirargs nfsd3_createargs
667 #define nfsd3_readdirplusargs nfsd3_readdirargs
668 #define nfsd3_fhandleargs nfsd_fhandle
669 #define nfsd3_fhandleres nfsd3_attrstat
670 #define nfsd3_attrstatres nfsd3_attrstat
671 #define nfsd3_wccstatres nfsd3_attrstat
672 #define nfsd3_createres nfsd3_diropres
673 #define nfsd3_voidres nfsd3_voidargs
674 struct nfsd3_voidargs { int dummy; };
676 #define ST 1 /* status*/
677 #define FH 17 /* filehandle with length */
678 #define AT 21 /* attributes */
679 #define pAT (1+AT) /* post attributes - conditional */
680 #define WC (7+pAT) /* WCC attributes */
682 static const struct svc_procedure nfsd_procedures3[22] = {
684 .pc_func = nfsd3_proc_null,
685 .pc_encode = nfs3svc_encode_voidres,
686 .pc_argsize = sizeof(struct nfsd3_voidargs),
687 .pc_ressize = sizeof(struct nfsd3_voidres),
688 .pc_cachetype = RC_NOCACHE,
691 [NFS3PROC_GETATTR] = {
692 .pc_func = nfsd3_proc_getattr,
693 .pc_decode = nfs3svc_decode_fhandleargs,
694 .pc_encode = nfs3svc_encode_attrstatres,
695 .pc_release = nfs3svc_release_fhandle,
696 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
697 .pc_ressize = sizeof(struct nfsd3_attrstatres),
698 .pc_cachetype = RC_NOCACHE,
699 .pc_xdrressize = ST+AT,
701 [NFS3PROC_SETATTR] = {
702 .pc_func = nfsd3_proc_setattr,
703 .pc_decode = nfs3svc_decode_sattrargs,
704 .pc_encode = nfs3svc_encode_wccstatres,
705 .pc_release = nfs3svc_release_fhandle,
706 .pc_argsize = sizeof(struct nfsd3_sattrargs),
707 .pc_ressize = sizeof(struct nfsd3_wccstatres),
708 .pc_cachetype = RC_REPLBUFF,
709 .pc_xdrressize = ST+WC,
711 [NFS3PROC_LOOKUP] = {
712 .pc_func = nfsd3_proc_lookup,
713 .pc_decode = nfs3svc_decode_diropargs,
714 .pc_encode = nfs3svc_encode_diropres,
715 .pc_release = nfs3svc_release_fhandle2,
716 .pc_argsize = sizeof(struct nfsd3_diropargs),
717 .pc_ressize = sizeof(struct nfsd3_diropres),
718 .pc_cachetype = RC_NOCACHE,
719 .pc_xdrressize = ST+FH+pAT+pAT,
721 [NFS3PROC_ACCESS] = {
722 .pc_func = nfsd3_proc_access,
723 .pc_decode = nfs3svc_decode_accessargs,
724 .pc_encode = nfs3svc_encode_accessres,
725 .pc_release = nfs3svc_release_fhandle,
726 .pc_argsize = sizeof(struct nfsd3_accessargs),
727 .pc_ressize = sizeof(struct nfsd3_accessres),
728 .pc_cachetype = RC_NOCACHE,
729 .pc_xdrressize = ST+pAT+1,
731 [NFS3PROC_READLINK] = {
732 .pc_func = nfsd3_proc_readlink,
733 .pc_decode = nfs3svc_decode_readlinkargs,
734 .pc_encode = nfs3svc_encode_readlinkres,
735 .pc_release = nfs3svc_release_fhandle,
736 .pc_argsize = sizeof(struct nfsd3_readlinkargs),
737 .pc_ressize = sizeof(struct nfsd3_readlinkres),
738 .pc_cachetype = RC_NOCACHE,
739 .pc_xdrressize = ST+pAT+1+NFS3_MAXPATHLEN/4,
742 .pc_func = nfsd3_proc_read,
743 .pc_decode = nfs3svc_decode_readargs,
744 .pc_encode = nfs3svc_encode_readres,
745 .pc_release = nfs3svc_release_fhandle,
746 .pc_argsize = sizeof(struct nfsd3_readargs),
747 .pc_ressize = sizeof(struct nfsd3_readres),
748 .pc_cachetype = RC_NOCACHE,
749 .pc_xdrressize = ST+pAT+4+NFSSVC_MAXBLKSIZE/4,
752 .pc_func = nfsd3_proc_write,
753 .pc_decode = nfs3svc_decode_writeargs,
754 .pc_encode = nfs3svc_encode_writeres,
755 .pc_release = nfs3svc_release_fhandle,
756 .pc_argsize = sizeof(struct nfsd3_writeargs),
757 .pc_ressize = sizeof(struct nfsd3_writeres),
758 .pc_cachetype = RC_REPLBUFF,
759 .pc_xdrressize = ST+WC+4,
761 [NFS3PROC_CREATE] = {
762 .pc_func = nfsd3_proc_create,
763 .pc_decode = nfs3svc_decode_createargs,
764 .pc_encode = nfs3svc_encode_createres,
765 .pc_release = nfs3svc_release_fhandle2,
766 .pc_argsize = sizeof(struct nfsd3_createargs),
767 .pc_ressize = sizeof(struct nfsd3_createres),
768 .pc_cachetype = RC_REPLBUFF,
769 .pc_xdrressize = ST+(1+FH+pAT)+WC,
772 .pc_func = nfsd3_proc_mkdir,
773 .pc_decode = nfs3svc_decode_mkdirargs,
774 .pc_encode = nfs3svc_encode_createres,
775 .pc_release = nfs3svc_release_fhandle2,
776 .pc_argsize = sizeof(struct nfsd3_mkdirargs),
777 .pc_ressize = sizeof(struct nfsd3_createres),
778 .pc_cachetype = RC_REPLBUFF,
779 .pc_xdrressize = ST+(1+FH+pAT)+WC,
781 [NFS3PROC_SYMLINK] = {
782 .pc_func = nfsd3_proc_symlink,
783 .pc_decode = nfs3svc_decode_symlinkargs,
784 .pc_encode = nfs3svc_encode_createres,
785 .pc_release = nfs3svc_release_fhandle2,
786 .pc_argsize = sizeof(struct nfsd3_symlinkargs),
787 .pc_ressize = sizeof(struct nfsd3_createres),
788 .pc_cachetype = RC_REPLBUFF,
789 .pc_xdrressize = ST+(1+FH+pAT)+WC,
792 .pc_func = nfsd3_proc_mknod,
793 .pc_decode = nfs3svc_decode_mknodargs,
794 .pc_encode = nfs3svc_encode_createres,
795 .pc_release = nfs3svc_release_fhandle2,
796 .pc_argsize = sizeof(struct nfsd3_mknodargs),
797 .pc_ressize = sizeof(struct nfsd3_createres),
798 .pc_cachetype = RC_REPLBUFF,
799 .pc_xdrressize = ST+(1+FH+pAT)+WC,
801 [NFS3PROC_REMOVE] = {
802 .pc_func = nfsd3_proc_remove,
803 .pc_decode = nfs3svc_decode_diropargs,
804 .pc_encode = nfs3svc_encode_wccstatres,
805 .pc_release = 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,
812 .pc_func = nfsd3_proc_rmdir,
813 .pc_decode = nfs3svc_decode_diropargs,
814 .pc_encode = nfs3svc_encode_wccstatres,
815 .pc_release = nfs3svc_release_fhandle,
816 .pc_argsize = sizeof(struct nfsd3_diropargs),
817 .pc_ressize = sizeof(struct nfsd3_wccstatres),
818 .pc_cachetype = RC_REPLBUFF,
819 .pc_xdrressize = ST+WC,
821 [NFS3PROC_RENAME] = {
822 .pc_func = nfsd3_proc_rename,
823 .pc_decode = nfs3svc_decode_renameargs,
824 .pc_encode = nfs3svc_encode_renameres,
825 .pc_release = nfs3svc_release_fhandle2,
826 .pc_argsize = sizeof(struct nfsd3_renameargs),
827 .pc_ressize = sizeof(struct nfsd3_renameres),
828 .pc_cachetype = RC_REPLBUFF,
829 .pc_xdrressize = ST+WC+WC,
832 .pc_func = nfsd3_proc_link,
833 .pc_decode = nfs3svc_decode_linkargs,
834 .pc_encode = nfs3svc_encode_linkres,
835 .pc_release = nfs3svc_release_fhandle2,
836 .pc_argsize = sizeof(struct nfsd3_linkargs),
837 .pc_ressize = sizeof(struct nfsd3_linkres),
838 .pc_cachetype = RC_REPLBUFF,
839 .pc_xdrressize = ST+pAT+WC,
841 [NFS3PROC_READDIR] = {
842 .pc_func = nfsd3_proc_readdir,
843 .pc_decode = nfs3svc_decode_readdirargs,
844 .pc_encode = nfs3svc_encode_readdirres,
845 .pc_release = nfs3svc_release_fhandle,
846 .pc_argsize = sizeof(struct nfsd3_readdirargs),
847 .pc_ressize = sizeof(struct nfsd3_readdirres),
848 .pc_cachetype = RC_NOCACHE,
850 [NFS3PROC_READDIRPLUS] = {
851 .pc_func = nfsd3_proc_readdirplus,
852 .pc_decode = nfs3svc_decode_readdirplusargs,
853 .pc_encode = nfs3svc_encode_readdirres,
854 .pc_release = nfs3svc_release_fhandle,
855 .pc_argsize = sizeof(struct nfsd3_readdirplusargs),
856 .pc_ressize = sizeof(struct nfsd3_readdirres),
857 .pc_cachetype = RC_NOCACHE,
859 [NFS3PROC_FSSTAT] = {
860 .pc_func = nfsd3_proc_fsstat,
861 .pc_decode = nfs3svc_decode_fhandleargs,
862 .pc_encode = nfs3svc_encode_fsstatres,
863 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
864 .pc_ressize = sizeof(struct nfsd3_fsstatres),
865 .pc_cachetype = RC_NOCACHE,
866 .pc_xdrressize = ST+pAT+2*6+1,
868 [NFS3PROC_FSINFO] = {
869 .pc_func = nfsd3_proc_fsinfo,
870 .pc_decode = nfs3svc_decode_fhandleargs,
871 .pc_encode = nfs3svc_encode_fsinfores,
872 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
873 .pc_ressize = sizeof(struct nfsd3_fsinfores),
874 .pc_cachetype = RC_NOCACHE,
875 .pc_xdrressize = ST+pAT+12,
877 [NFS3PROC_PATHCONF] = {
878 .pc_func = nfsd3_proc_pathconf,
879 .pc_decode = nfs3svc_decode_fhandleargs,
880 .pc_encode = nfs3svc_encode_pathconfres,
881 .pc_argsize = sizeof(struct nfsd3_fhandleargs),
882 .pc_ressize = sizeof(struct nfsd3_pathconfres),
883 .pc_cachetype = RC_NOCACHE,
884 .pc_xdrressize = ST+pAT+6,
886 [NFS3PROC_COMMIT] = {
887 .pc_func = nfsd3_proc_commit,
888 .pc_decode = nfs3svc_decode_commitargs,
889 .pc_encode = nfs3svc_encode_commitres,
890 .pc_release = nfs3svc_release_fhandle,
891 .pc_argsize = sizeof(struct nfsd3_commitargs),
892 .pc_ressize = sizeof(struct nfsd3_commitres),
893 .pc_cachetype = RC_NOCACHE,
894 .pc_xdrressize = ST+WC+2,
898 static unsigned int nfsd_count3[ARRAY_SIZE(nfsd_procedures3)];
899 const struct svc_version nfsd_version3 = {
902 .vs_proc = nfsd_procedures3,
903 .vs_dispatch = nfsd_dispatch,
904 .vs_count = nfsd_count3,
905 .vs_xdrsize = NFS3_SVC_XDRSIZE,