2 * Process version 2 NFS requests.
4 * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
7 #include <linux/namei.h>
13 typedef struct svc_rqst svc_rqst;
14 typedef struct svc_buf svc_buf;
16 #define NFSDDBG_FACILITY NFSDDBG_PROC
20 nfsd_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
26 nfsd_return_attrs(__be32 err, struct nfsd_attrstat *resp)
29 return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
34 nfsd_return_dirop(__be32 err, struct nfsd_diropres *resp)
37 return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
42 * Get a file's attributes
43 * N.B. After this call resp->fh needs an fh_put
46 nfsd_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp,
47 struct nfsd_attrstat *resp)
50 dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
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 return nfsd_return_attrs(nfserr, resp);
59 * Set a file's attributes
60 * N.B. After this call resp->fh needs an fh_put
63 nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp,
64 struct nfsd_attrstat *resp)
67 dprintk("nfsd: SETATTR %s, valid=%x, size=%ld\n",
69 argp->attrs.ia_valid, (long) argp->attrs.ia_size);
71 fh_copy(&resp->fh, &argp->fh);
72 nfserr = nfsd_setattr(rqstp, &resp->fh, &argp->attrs,0, (time_t)0);
73 return nfsd_return_attrs(nfserr, resp);
77 * Look up a path name component
78 * Note: the dentry in the resp->fh may be negative if the file
80 * N.B. After this call resp->fh needs an fh_put
83 nfsd_proc_lookup(struct svc_rqst *rqstp, struct nfsd_diropargs *argp,
84 struct nfsd_diropres *resp)
88 dprintk("nfsd: LOOKUP %s %.*s\n",
89 SVCFH_fmt(&argp->fh), argp->len, argp->name);
91 fh_init(&resp->fh, NFS_FHSIZE);
92 nfserr = nfsd_lookup(rqstp, &argp->fh, argp->name, argp->len,
96 return nfsd_return_dirop(nfserr, resp);
103 nfsd_proc_readlink(struct svc_rqst *rqstp, struct nfsd_readlinkargs *argp,
104 struct nfsd_readlinkres *resp)
108 dprintk("nfsd: READLINK %s\n", SVCFH_fmt(&argp->fh));
110 /* Read the symlink. */
111 resp->len = NFS_MAXPATHLEN;
112 nfserr = nfsd_readlink(rqstp, &argp->fh, argp->buffer, &resp->len);
119 * Read a portion of a file.
120 * N.B. After this call resp->fh needs an fh_put
123 nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp,
124 struct nfsd_readres *resp)
128 dprintk("nfsd: READ %s %d bytes at %d\n",
129 SVCFH_fmt(&argp->fh),
130 argp->count, argp->offset);
132 /* Obtain buffer pointer for payload. 19 is 1 word for
133 * status, 17 words for fattr, and 1 word for the byte count.
136 if (NFSSVC_MAXBLKSIZE_V2 < argp->count) {
137 char buf[RPC_MAX_ADDRBUFLEN];
139 "oversized read request from %s (%d bytes)\n",
140 svc_print_addr(rqstp, buf, sizeof(buf)),
142 argp->count = NFSSVC_MAXBLKSIZE_V2;
144 svc_reserve_auth(rqstp, (19<<2) + argp->count + 4);
146 resp->count = argp->count;
147 nfserr = nfsd_read(rqstp, fh_copy(&resp->fh, &argp->fh),
149 rqstp->rq_vec, argp->vlen,
152 if (nfserr) return nfserr;
153 return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
159 * Write data to a file
160 * N.B. After this call resp->fh needs an fh_put
163 nfsd_proc_write(struct svc_rqst *rqstp, struct nfsd_writeargs *argp,
164 struct nfsd_attrstat *resp)
168 unsigned long cnt = argp->len;
170 dprintk("nfsd: WRITE %s %d bytes at %d\n",
171 SVCFH_fmt(&argp->fh),
172 argp->len, argp->offset);
174 nfserr = nfsd_write(rqstp, fh_copy(&resp->fh, &argp->fh), NULL,
176 rqstp->rq_vec, argp->vlen,
179 return nfsd_return_attrs(nfserr, resp);
183 * CREATE processing is complicated. The keyword here is `overloaded.'
184 * The parent directory is kept locked between the check for existence
185 * and the actual create() call in compliance with VFS protocols.
186 * N.B. After this call _both_ argp->fh and resp->fh need an fh_put
189 nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
190 struct nfsd_diropres *resp)
192 svc_fh *dirfhp = &argp->fh;
193 svc_fh *newfhp = &resp->fh;
194 struct iattr *attr = &argp->attrs;
196 struct dentry *dchild;
200 dev_t rdev = 0, wanted = new_decode_dev(attr->ia_size);
202 dprintk("nfsd: CREATE %s %.*s\n",
203 SVCFH_fmt(dirfhp), argp->len, argp->name);
205 /* First verify the parent file handle */
206 nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, NFSD_MAY_EXEC);
208 goto done; /* must fh_put dirfhp even on error */
210 /* Check for NFSD_MAY_WRITE in nfsd_create if necessary */
212 nfserr = nfserr_acces;
215 nfserr = nfserr_exist;
216 if (isdotent(argp->name, argp->len))
218 hosterr = fh_want_write(dirfhp);
220 nfserr = nfserrno(hosterr);
224 fh_lock_nested(dirfhp, I_MUTEX_PARENT);
225 dchild = lookup_one_len(argp->name, dirfhp->fh_dentry, argp->len);
226 if (IS_ERR(dchild)) {
227 nfserr = nfserrno(PTR_ERR(dchild));
230 fh_init(newfhp, NFS_FHSIZE);
231 nfserr = fh_compose(newfhp, dirfhp->fh_export, dchild, dirfhp);
232 if (!nfserr && !dchild->d_inode)
233 nfserr = nfserr_noent;
236 if (nfserr != nfserr_noent)
239 * If the new file handle wasn't verified, we can't tell
240 * whether the file exists or not. Time to bail ...
242 nfserr = nfserr_acces;
243 if (!newfhp->fh_dentry) {
245 "nfsd_proc_create: file handle not verified\n");
250 inode = newfhp->fh_dentry->d_inode;
252 /* Unfudge the mode bits */
253 if (attr->ia_valid & ATTR_MODE) {
254 type = attr->ia_mode & S_IFMT;
255 mode = attr->ia_mode & ~S_IFMT;
257 /* no type, so if target exists, assume same as that,
258 * else assume a file */
260 type = inode->i_mode & S_IFMT;
264 /* reserve rdev for later checking */
265 rdev = inode->i_rdev;
266 attr->ia_valid |= ATTR_SIZE;
270 /* this is probably a permission check..
271 * at least IRIX implements perm checking on
272 * echo thing > device-special-file-or-pipe
273 * by doing a CREATE with type==0
275 nfserr = nfsd_permission(rqstp,
278 NFSD_MAY_WRITE|NFSD_MAY_LOCAL_ACCESS);
279 if (nfserr && nfserr != nfserr_rofs)
286 type = inode->i_mode & S_IFMT;
287 mode = inode->i_mode & ~S_IFMT;
293 attr->ia_valid |= ATTR_MODE;
294 attr->ia_mode = mode;
296 /* Special treatment for non-regular files according to the
297 * gospel of sun micro
299 if (type != S_IFREG) {
300 if (type != S_IFBLK && type != S_IFCHR) {
302 } else if (type == S_IFCHR && !(attr->ia_valid & ATTR_SIZE)) {
303 /* If you think you've seen the worst, grok this. */
306 /* Okay, char or block special */
311 /* we've used the SIZE information, so discard it */
312 attr->ia_valid &= ~ATTR_SIZE;
314 /* Make sure the type and device matches */
315 nfserr = nfserr_exist;
316 if (inode && type != (inode->i_mode & S_IFMT))
322 /* File doesn't exist. Create it and set attrs */
323 nfserr = nfsd_create(rqstp, dirfhp, argp->name, argp->len,
324 attr, type, rdev, newfhp);
325 } else if (type == S_IFREG) {
326 dprintk("nfsd: existing %s, valid=%x, size=%ld\n",
327 argp->name, attr->ia_valid, (long) attr->ia_size);
328 /* File already exists. We ignore all attributes except
329 * size, so that creat() behaves exactly like
330 * open(..., O_CREAT|O_TRUNC|O_WRONLY).
332 attr->ia_valid &= ATTR_SIZE;
334 nfserr = nfsd_setattr(rqstp, newfhp, attr, 0, (time_t)0);
338 /* We don't really need to unlock, as fh_put does it. */
340 fh_drop_write(dirfhp);
343 return nfsd_return_dirop(nfserr, resp);
347 nfsd_proc_remove(struct svc_rqst *rqstp, struct nfsd_diropargs *argp,
352 dprintk("nfsd: REMOVE %s %.*s\n", SVCFH_fmt(&argp->fh),
353 argp->len, argp->name);
355 /* Unlink. -SIFDIR means file must not be a directory */
356 nfserr = nfsd_unlink(rqstp, &argp->fh, -S_IFDIR, argp->name, argp->len);
362 nfsd_proc_rename(struct svc_rqst *rqstp, struct nfsd_renameargs *argp,
367 dprintk("nfsd: RENAME %s %.*s -> \n",
368 SVCFH_fmt(&argp->ffh), argp->flen, argp->fname);
369 dprintk("nfsd: -> %s %.*s\n",
370 SVCFH_fmt(&argp->tfh), argp->tlen, argp->tname);
372 nfserr = nfsd_rename(rqstp, &argp->ffh, argp->fname, argp->flen,
373 &argp->tfh, argp->tname, argp->tlen);
380 nfsd_proc_link(struct svc_rqst *rqstp, struct nfsd_linkargs *argp,
385 dprintk("nfsd: LINK %s ->\n",
386 SVCFH_fmt(&argp->ffh));
387 dprintk("nfsd: %s %.*s\n",
388 SVCFH_fmt(&argp->tfh),
392 nfserr = nfsd_link(rqstp, &argp->tfh, argp->tname, argp->tlen,
400 nfsd_proc_symlink(struct svc_rqst *rqstp, struct nfsd_symlinkargs *argp,
406 dprintk("nfsd: SYMLINK %s %.*s -> %.*s\n",
407 SVCFH_fmt(&argp->ffh), argp->flen, argp->fname,
408 argp->tlen, argp->tname);
410 fh_init(&newfh, NFS_FHSIZE);
412 * Create the link, look up new file and set attrs.
414 nfserr = nfsd_symlink(rqstp, &argp->ffh, argp->fname, argp->flen,
415 argp->tname, argp->tlen,
416 &newfh, &argp->attrs);
425 * Make directory. This operation is not idempotent.
426 * N.B. After this call resp->fh needs an fh_put
429 nfsd_proc_mkdir(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
430 struct nfsd_diropres *resp)
434 dprintk("nfsd: MKDIR %s %.*s\n", SVCFH_fmt(&argp->fh), argp->len, argp->name);
436 if (resp->fh.fh_dentry) {
438 "nfsd_proc_mkdir: response already verified??\n");
441 argp->attrs.ia_valid &= ~ATTR_SIZE;
442 fh_init(&resp->fh, NFS_FHSIZE);
443 nfserr = nfsd_create(rqstp, &argp->fh, argp->name, argp->len,
444 &argp->attrs, S_IFDIR, 0, &resp->fh);
446 return nfsd_return_dirop(nfserr, resp);
453 nfsd_proc_rmdir(struct svc_rqst *rqstp, struct nfsd_diropargs *argp,
458 dprintk("nfsd: RMDIR %s %.*s\n", SVCFH_fmt(&argp->fh), argp->len, argp->name);
460 nfserr = nfsd_unlink(rqstp, &argp->fh, S_IFDIR, argp->name, argp->len);
466 * Read a portion of a directory.
469 nfsd_proc_readdir(struct svc_rqst *rqstp, struct nfsd_readdirargs *argp,
470 struct nfsd_readdirres *resp)
476 dprintk("nfsd: READDIR %s %d bytes at %d\n",
477 SVCFH_fmt(&argp->fh),
478 argp->count, argp->cookie);
480 /* Shrink to the client read size */
481 count = (argp->count >> 2) - 2;
483 /* Make sure we've room for the NULL ptr & eof flag */
488 resp->buffer = argp->buffer;
490 resp->buflen = count;
491 resp->common.err = nfs_ok;
492 /* Read directory and encode entries on the fly */
493 offset = argp->cookie;
494 nfserr = nfsd_readdir(rqstp, &argp->fh, &offset,
495 &resp->common, nfssvc_encode_entry);
497 resp->count = resp->buffer - argp->buffer;
499 *resp->offset = htonl(offset);
506 * Get file system info
509 nfsd_proc_statfs(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
510 struct nfsd_statfsres *resp)
514 dprintk("nfsd: STATFS %s\n", SVCFH_fmt(&argp->fh));
516 nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats,
517 NFSD_MAY_BYPASS_GSS_ON_ROOT);
523 * NFSv2 Server procedures.
524 * Only the results of non-idempotent operations are cached.
526 struct nfsd_void { int dummy; };
528 #define ST 1 /* status */
529 #define FH 8 /* filehandle */
530 #define AT 18 /* attributes */
532 static struct svc_procedure nfsd_procedures2[18] = {
534 .pc_func = (svc_procfunc) nfsd_proc_null,
535 .pc_decode = (kxdrproc_t) nfssvc_decode_void,
536 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
537 .pc_argsize = sizeof(struct nfsd_void),
538 .pc_ressize = sizeof(struct nfsd_void),
539 .pc_cachetype = RC_NOCACHE,
542 [NFSPROC_GETATTR] = {
543 .pc_func = (svc_procfunc) nfsd_proc_getattr,
544 .pc_decode = (kxdrproc_t) nfssvc_decode_fhandle,
545 .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
546 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
547 .pc_argsize = sizeof(struct nfsd_fhandle),
548 .pc_ressize = sizeof(struct nfsd_attrstat),
549 .pc_cachetype = RC_NOCACHE,
550 .pc_xdrressize = ST+AT,
552 [NFSPROC_SETATTR] = {
553 .pc_func = (svc_procfunc) nfsd_proc_setattr,
554 .pc_decode = (kxdrproc_t) nfssvc_decode_sattrargs,
555 .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
556 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
557 .pc_argsize = sizeof(struct nfsd_sattrargs),
558 .pc_ressize = sizeof(struct nfsd_attrstat),
559 .pc_cachetype = RC_REPLBUFF,
560 .pc_xdrressize = ST+AT,
563 .pc_decode = (kxdrproc_t) nfssvc_decode_void,
564 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
565 .pc_argsize = sizeof(struct nfsd_void),
566 .pc_ressize = sizeof(struct nfsd_void),
567 .pc_cachetype = RC_NOCACHE,
571 .pc_func = (svc_procfunc) nfsd_proc_lookup,
572 .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
573 .pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
574 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
575 .pc_argsize = sizeof(struct nfsd_diropargs),
576 .pc_ressize = sizeof(struct nfsd_diropres),
577 .pc_cachetype = RC_NOCACHE,
578 .pc_xdrressize = ST+FH+AT,
580 [NFSPROC_READLINK] = {
581 .pc_func = (svc_procfunc) nfsd_proc_readlink,
582 .pc_decode = (kxdrproc_t) nfssvc_decode_readlinkargs,
583 .pc_encode = (kxdrproc_t) nfssvc_encode_readlinkres,
584 .pc_argsize = sizeof(struct nfsd_readlinkargs),
585 .pc_ressize = sizeof(struct nfsd_readlinkres),
586 .pc_cachetype = RC_NOCACHE,
587 .pc_xdrressize = ST+1+NFS_MAXPATHLEN/4,
590 .pc_func = (svc_procfunc) nfsd_proc_read,
591 .pc_decode = (kxdrproc_t) nfssvc_decode_readargs,
592 .pc_encode = (kxdrproc_t) nfssvc_encode_readres,
593 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
594 .pc_argsize = sizeof(struct nfsd_readargs),
595 .pc_ressize = sizeof(struct nfsd_readres),
596 .pc_cachetype = RC_NOCACHE,
597 .pc_xdrressize = ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4,
599 [NFSPROC_WRITECACHE] = {
600 .pc_decode = (kxdrproc_t) nfssvc_decode_void,
601 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
602 .pc_argsize = sizeof(struct nfsd_void),
603 .pc_ressize = sizeof(struct nfsd_void),
604 .pc_cachetype = RC_NOCACHE,
608 .pc_func = (svc_procfunc) nfsd_proc_write,
609 .pc_decode = (kxdrproc_t) nfssvc_decode_writeargs,
610 .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
611 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
612 .pc_argsize = sizeof(struct nfsd_writeargs),
613 .pc_ressize = sizeof(struct nfsd_attrstat),
614 .pc_cachetype = RC_REPLBUFF,
615 .pc_xdrressize = ST+AT,
618 .pc_func = (svc_procfunc) nfsd_proc_create,
619 .pc_decode = (kxdrproc_t) nfssvc_decode_createargs,
620 .pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
621 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
622 .pc_argsize = sizeof(struct nfsd_createargs),
623 .pc_ressize = sizeof(struct nfsd_diropres),
624 .pc_cachetype = RC_REPLBUFF,
625 .pc_xdrressize = ST+FH+AT,
628 .pc_func = (svc_procfunc) nfsd_proc_remove,
629 .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
630 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
631 .pc_argsize = sizeof(struct nfsd_diropargs),
632 .pc_ressize = sizeof(struct nfsd_void),
633 .pc_cachetype = RC_REPLSTAT,
637 .pc_func = (svc_procfunc) nfsd_proc_rename,
638 .pc_decode = (kxdrproc_t) nfssvc_decode_renameargs,
639 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
640 .pc_argsize = sizeof(struct nfsd_renameargs),
641 .pc_ressize = sizeof(struct nfsd_void),
642 .pc_cachetype = RC_REPLSTAT,
646 .pc_func = (svc_procfunc) nfsd_proc_link,
647 .pc_decode = (kxdrproc_t) nfssvc_decode_linkargs,
648 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
649 .pc_argsize = sizeof(struct nfsd_linkargs),
650 .pc_ressize = sizeof(struct nfsd_void),
651 .pc_cachetype = RC_REPLSTAT,
654 [NFSPROC_SYMLINK] = {
655 .pc_func = (svc_procfunc) nfsd_proc_symlink,
656 .pc_decode = (kxdrproc_t) nfssvc_decode_symlinkargs,
657 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
658 .pc_argsize = sizeof(struct nfsd_symlinkargs),
659 .pc_ressize = sizeof(struct nfsd_void),
660 .pc_cachetype = RC_REPLSTAT,
664 .pc_func = (svc_procfunc) nfsd_proc_mkdir,
665 .pc_decode = (kxdrproc_t) nfssvc_decode_createargs,
666 .pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
667 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
668 .pc_argsize = sizeof(struct nfsd_createargs),
669 .pc_ressize = sizeof(struct nfsd_diropres),
670 .pc_cachetype = RC_REPLBUFF,
671 .pc_xdrressize = ST+FH+AT,
674 .pc_func = (svc_procfunc) nfsd_proc_rmdir,
675 .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
676 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
677 .pc_argsize = sizeof(struct nfsd_diropargs),
678 .pc_ressize = sizeof(struct nfsd_void),
679 .pc_cachetype = RC_REPLSTAT,
682 [NFSPROC_READDIR] = {
683 .pc_func = (svc_procfunc) nfsd_proc_readdir,
684 .pc_decode = (kxdrproc_t) nfssvc_decode_readdirargs,
685 .pc_encode = (kxdrproc_t) nfssvc_encode_readdirres,
686 .pc_argsize = sizeof(struct nfsd_readdirargs),
687 .pc_ressize = sizeof(struct nfsd_readdirres),
688 .pc_cachetype = RC_NOCACHE,
691 .pc_func = (svc_procfunc) nfsd_proc_statfs,
692 .pc_decode = (kxdrproc_t) nfssvc_decode_fhandle,
693 .pc_encode = (kxdrproc_t) nfssvc_encode_statfsres,
694 .pc_argsize = sizeof(struct nfsd_fhandle),
695 .pc_ressize = sizeof(struct nfsd_statfsres),
696 .pc_cachetype = RC_NOCACHE,
697 .pc_xdrressize = ST+5,
702 struct svc_version nfsd_version2 = {
705 .vs_proc = nfsd_procedures2,
706 .vs_dispatch = nfsd_dispatch,
707 .vs_xdrsize = NFS2_SVC_XDRSIZE,
711 * Map errnos to NFS errnos.
721 { nfserr_perm, -EPERM },
722 { nfserr_noent, -ENOENT },
724 { nfserr_nxio, -ENXIO },
725 { nfserr_acces, -EACCES },
726 { nfserr_exist, -EEXIST },
727 { nfserr_xdev, -EXDEV },
728 { nfserr_mlink, -EMLINK },
729 { nfserr_nodev, -ENODEV },
730 { nfserr_notdir, -ENOTDIR },
731 { nfserr_isdir, -EISDIR },
732 { nfserr_inval, -EINVAL },
733 { nfserr_fbig, -EFBIG },
734 { nfserr_nospc, -ENOSPC },
735 { nfserr_rofs, -EROFS },
736 { nfserr_mlink, -EMLINK },
737 { nfserr_nametoolong, -ENAMETOOLONG },
738 { nfserr_notempty, -ENOTEMPTY },
740 { nfserr_dquot, -EDQUOT },
742 { nfserr_stale, -ESTALE },
743 { nfserr_jukebox, -ETIMEDOUT },
744 { nfserr_jukebox, -ERESTARTSYS },
745 { nfserr_jukebox, -EAGAIN },
746 { nfserr_jukebox, -EWOULDBLOCK },
747 { nfserr_jukebox, -ENOMEM },
748 { nfserr_io, -ETXTBSY },
749 { nfserr_notsupp, -EOPNOTSUPP },
750 { nfserr_toosmall, -ETOOSMALL },
751 { nfserr_serverfault, -ESERVERFAULT },
755 for (i = 0; i < ARRAY_SIZE(nfs_errtbl); i++) {
756 if (nfs_errtbl[i].syserr == errno)
757 return nfs_errtbl[i].nfserr;
759 printk (KERN_INFO "nfsd: non-standard errno: %d\n", errno);