2 * nfsproc2.c Process version 2 NFS requests.
3 * linux/fs/nfsd/nfs2proc.c
5 * Process version 2 NFS requests.
7 * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de>
10 #include <linux/linkage.h>
11 #include <linux/time.h>
12 #include <linux/errno.h>
14 #include <linux/stat.h>
15 #include <linux/fcntl.h>
16 #include <linux/net.h>
18 #include <linux/namei.h>
19 #include <linux/unistd.h>
20 #include <linux/slab.h>
22 #include <linux/sunrpc/clnt.h>
23 #include <linux/sunrpc/svc.h>
24 #include <linux/nfsd/nfsd.h>
25 #include <linux/nfsd/cache.h>
26 #include <linux/nfsd/xdr.h>
29 typedef struct svc_rqst svc_rqst;
30 typedef struct svc_buf svc_buf;
32 #define NFSDDBG_FACILITY NFSDDBG_PROC
36 nfsd_proc_null(struct svc_rqst *rqstp, void *argp, void *resp)
42 nfsd_return_attrs(__be32 err, struct nfsd_attrstat *resp)
45 return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
50 nfsd_return_dirop(__be32 err, struct nfsd_diropres *resp)
53 return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
58 * Get a file's attributes
59 * N.B. After this call resp->fh needs an fh_put
62 nfsd_proc_getattr(struct svc_rqst *rqstp, struct nfsd_fhandle *argp,
63 struct nfsd_attrstat *resp)
66 dprintk("nfsd: GETATTR %s\n", SVCFH_fmt(&argp->fh));
68 fh_copy(&resp->fh, &argp->fh);
69 nfserr = fh_verify(rqstp, &resp->fh, 0,
70 NFSD_MAY_NOP | NFSD_MAY_BYPASS_GSS_ON_ROOT);
71 return nfsd_return_attrs(nfserr, resp);
75 * Set a file's attributes
76 * N.B. After this call resp->fh needs an fh_put
79 nfsd_proc_setattr(struct svc_rqst *rqstp, struct nfsd_sattrargs *argp,
80 struct nfsd_attrstat *resp)
83 dprintk("nfsd: SETATTR %s, valid=%x, size=%ld\n",
85 argp->attrs.ia_valid, (long) argp->attrs.ia_size);
87 fh_copy(&resp->fh, &argp->fh);
88 nfserr = nfsd_setattr(rqstp, &resp->fh, &argp->attrs,0, (time_t)0);
89 return nfsd_return_attrs(nfserr, resp);
93 * Look up a path name component
94 * Note: the dentry in the resp->fh may be negative if the file
96 * N.B. After this call resp->fh needs an fh_put
99 nfsd_proc_lookup(struct svc_rqst *rqstp, struct nfsd_diropargs *argp,
100 struct nfsd_diropres *resp)
104 dprintk("nfsd: LOOKUP %s %.*s\n",
105 SVCFH_fmt(&argp->fh), argp->len, argp->name);
107 fh_init(&resp->fh, NFS_FHSIZE);
108 nfserr = nfsd_lookup(rqstp, &argp->fh, argp->name, argp->len,
112 return nfsd_return_dirop(nfserr, resp);
119 nfsd_proc_readlink(struct svc_rqst *rqstp, struct nfsd_readlinkargs *argp,
120 struct nfsd_readlinkres *resp)
124 dprintk("nfsd: READLINK %s\n", SVCFH_fmt(&argp->fh));
126 /* Read the symlink. */
127 resp->len = NFS_MAXPATHLEN;
128 nfserr = nfsd_readlink(rqstp, &argp->fh, argp->buffer, &resp->len);
135 * Read a portion of a file.
136 * N.B. After this call resp->fh needs an fh_put
139 nfsd_proc_read(struct svc_rqst *rqstp, struct nfsd_readargs *argp,
140 struct nfsd_readres *resp)
144 dprintk("nfsd: READ %s %d bytes at %d\n",
145 SVCFH_fmt(&argp->fh),
146 argp->count, argp->offset);
148 /* Obtain buffer pointer for payload. 19 is 1 word for
149 * status, 17 words for fattr, and 1 word for the byte count.
152 if (NFSSVC_MAXBLKSIZE_V2 < argp->count) {
153 char buf[RPC_MAX_ADDRBUFLEN];
155 "oversized read request from %s (%d bytes)\n",
156 svc_print_addr(rqstp, buf, sizeof(buf)),
158 argp->count = NFSSVC_MAXBLKSIZE_V2;
160 svc_reserve_auth(rqstp, (19<<2) + argp->count + 4);
162 resp->count = argp->count;
163 nfserr = nfsd_read(rqstp, fh_copy(&resp->fh, &argp->fh), NULL,
165 rqstp->rq_vec, argp->vlen,
168 if (nfserr) return nfserr;
169 return nfserrno(vfs_getattr(resp->fh.fh_export->ex_path.mnt,
175 * Write data to a file
176 * N.B. After this call resp->fh needs an fh_put
179 nfsd_proc_write(struct svc_rqst *rqstp, struct nfsd_writeargs *argp,
180 struct nfsd_attrstat *resp)
184 unsigned long cnt = argp->len;
186 dprintk("nfsd: WRITE %s %d bytes at %d\n",
187 SVCFH_fmt(&argp->fh),
188 argp->len, argp->offset);
190 nfserr = nfsd_write(rqstp, fh_copy(&resp->fh, &argp->fh), NULL,
192 rqstp->rq_vec, argp->vlen,
195 return nfsd_return_attrs(nfserr, resp);
199 * CREATE processing is complicated. The keyword here is `overloaded.'
200 * The parent directory is kept locked between the check for existence
201 * and the actual create() call in compliance with VFS protocols.
202 * N.B. After this call _both_ argp->fh and resp->fh need an fh_put
205 nfsd_proc_create(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
206 struct nfsd_diropres *resp)
208 svc_fh *dirfhp = &argp->fh;
209 svc_fh *newfhp = &resp->fh;
210 struct iattr *attr = &argp->attrs;
212 struct dentry *dchild;
215 dev_t rdev = 0, wanted = new_decode_dev(attr->ia_size);
217 dprintk("nfsd: CREATE %s %.*s\n",
218 SVCFH_fmt(dirfhp), argp->len, argp->name);
220 /* First verify the parent file handle */
221 nfserr = fh_verify(rqstp, dirfhp, S_IFDIR, NFSD_MAY_EXEC);
223 goto done; /* must fh_put dirfhp even on error */
225 /* Check for NFSD_MAY_WRITE in nfsd_create if necessary */
227 nfserr = nfserr_acces;
230 nfserr = nfserr_exist;
231 if (isdotent(argp->name, argp->len))
233 fh_lock_nested(dirfhp, I_MUTEX_PARENT);
234 dchild = lookup_one_len(argp->name, dirfhp->fh_dentry, argp->len);
235 if (IS_ERR(dchild)) {
236 nfserr = nfserrno(PTR_ERR(dchild));
239 fh_init(newfhp, NFS_FHSIZE);
240 nfserr = fh_compose(newfhp, dirfhp->fh_export, dchild, dirfhp);
241 if (!nfserr && !dchild->d_inode)
242 nfserr = nfserr_noent;
245 if (nfserr != nfserr_noent)
248 * If the new file handle wasn't verified, we can't tell
249 * whether the file exists or not. Time to bail ...
251 nfserr = nfserr_acces;
252 if (!newfhp->fh_dentry) {
254 "nfsd_proc_create: file handle not verified\n");
259 inode = newfhp->fh_dentry->d_inode;
261 /* Unfudge the mode bits */
262 if (attr->ia_valid & ATTR_MODE) {
263 type = attr->ia_mode & S_IFMT;
264 mode = attr->ia_mode & ~S_IFMT;
266 /* no type, so if target exists, assume same as that,
267 * else assume a file */
269 type = inode->i_mode & S_IFMT;
273 /* reserve rdev for later checking */
274 rdev = inode->i_rdev;
275 attr->ia_valid |= ATTR_SIZE;
279 /* this is probably a permission check..
280 * at least IRIX implements perm checking on
281 * echo thing > device-special-file-or-pipe
282 * by doing a CREATE with type==0
284 nfserr = nfsd_permission(rqstp,
287 NFSD_MAY_WRITE|NFSD_MAY_LOCAL_ACCESS);
288 if (nfserr && nfserr != nfserr_rofs)
295 type = inode->i_mode & S_IFMT;
296 mode = inode->i_mode & ~S_IFMT;
302 attr->ia_valid |= ATTR_MODE;
303 attr->ia_mode = mode;
305 /* Special treatment for non-regular files according to the
306 * gospel of sun micro
308 if (type != S_IFREG) {
310 if (type != S_IFBLK && type != S_IFCHR) {
312 } else if (type == S_IFCHR && !(attr->ia_valid & ATTR_SIZE)) {
313 /* If you think you've seen the worst, grok this. */
316 /* Okay, char or block special */
322 /* we've used the SIZE information, so discard it */
323 attr->ia_valid &= ~ATTR_SIZE;
325 /* Make sure the type and device matches */
326 nfserr = nfserr_exist;
327 if (inode && type != (inode->i_mode & S_IFMT))
333 /* File doesn't exist. Create it and set attrs */
334 nfserr = nfsd_create(rqstp, dirfhp, argp->name, argp->len,
335 attr, type, rdev, newfhp);
336 } else if (type == S_IFREG) {
337 dprintk("nfsd: existing %s, valid=%x, size=%ld\n",
338 argp->name, attr->ia_valid, (long) attr->ia_size);
339 /* File already exists. We ignore all attributes except
340 * size, so that creat() behaves exactly like
341 * open(..., O_CREAT|O_TRUNC|O_WRONLY).
343 attr->ia_valid &= ATTR_SIZE;
345 nfserr = nfsd_setattr(rqstp, newfhp, attr, 0, (time_t)0);
349 /* We don't really need to unlock, as fh_put does it. */
354 return nfsd_return_dirop(nfserr, resp);
358 nfsd_proc_remove(struct svc_rqst *rqstp, struct nfsd_diropargs *argp,
363 dprintk("nfsd: REMOVE %s %.*s\n", SVCFH_fmt(&argp->fh),
364 argp->len, argp->name);
366 /* Unlink. -SIFDIR means file must not be a directory */
367 nfserr = nfsd_unlink(rqstp, &argp->fh, -S_IFDIR, argp->name, argp->len);
373 nfsd_proc_rename(struct svc_rqst *rqstp, struct nfsd_renameargs *argp,
378 dprintk("nfsd: RENAME %s %.*s -> \n",
379 SVCFH_fmt(&argp->ffh), argp->flen, argp->fname);
380 dprintk("nfsd: -> %s %.*s\n",
381 SVCFH_fmt(&argp->tfh), argp->tlen, argp->tname);
383 nfserr = nfsd_rename(rqstp, &argp->ffh, argp->fname, argp->flen,
384 &argp->tfh, argp->tname, argp->tlen);
391 nfsd_proc_link(struct svc_rqst *rqstp, struct nfsd_linkargs *argp,
396 dprintk("nfsd: LINK %s ->\n",
397 SVCFH_fmt(&argp->ffh));
398 dprintk("nfsd: %s %.*s\n",
399 SVCFH_fmt(&argp->tfh),
403 nfserr = nfsd_link(rqstp, &argp->tfh, argp->tname, argp->tlen,
411 nfsd_proc_symlink(struct svc_rqst *rqstp, struct nfsd_symlinkargs *argp,
417 dprintk("nfsd: SYMLINK %s %.*s -> %.*s\n",
418 SVCFH_fmt(&argp->ffh), argp->flen, argp->fname,
419 argp->tlen, argp->tname);
421 fh_init(&newfh, NFS_FHSIZE);
423 * Create the link, look up new file and set attrs.
425 nfserr = nfsd_symlink(rqstp, &argp->ffh, argp->fname, argp->flen,
426 argp->tname, argp->tlen,
427 &newfh, &argp->attrs);
436 * Make directory. This operation is not idempotent.
437 * N.B. After this call resp->fh needs an fh_put
440 nfsd_proc_mkdir(struct svc_rqst *rqstp, struct nfsd_createargs *argp,
441 struct nfsd_diropres *resp)
445 dprintk("nfsd: MKDIR %s %.*s\n", SVCFH_fmt(&argp->fh), argp->len, argp->name);
447 if (resp->fh.fh_dentry) {
449 "nfsd_proc_mkdir: response already verified??\n");
452 argp->attrs.ia_valid &= ~ATTR_SIZE;
453 fh_init(&resp->fh, NFS_FHSIZE);
454 nfserr = nfsd_create(rqstp, &argp->fh, argp->name, argp->len,
455 &argp->attrs, S_IFDIR, 0, &resp->fh);
457 return nfsd_return_dirop(nfserr, resp);
464 nfsd_proc_rmdir(struct svc_rqst *rqstp, struct nfsd_diropargs *argp,
469 dprintk("nfsd: RMDIR %s %.*s\n", SVCFH_fmt(&argp->fh), argp->len, argp->name);
471 nfserr = nfsd_unlink(rqstp, &argp->fh, S_IFDIR, argp->name, argp->len);
477 * Read a portion of a directory.
480 nfsd_proc_readdir(struct svc_rqst *rqstp, struct nfsd_readdirargs *argp,
481 struct nfsd_readdirres *resp)
487 dprintk("nfsd: READDIR %s %d bytes at %d\n",
488 SVCFH_fmt(&argp->fh),
489 argp->count, argp->cookie);
491 /* Shrink to the client read size */
492 count = (argp->count >> 2) - 2;
494 /* Make sure we've room for the NULL ptr & eof flag */
499 resp->buffer = argp->buffer;
501 resp->buflen = count;
502 resp->common.err = nfs_ok;
503 /* Read directory and encode entries on the fly */
504 offset = argp->cookie;
505 nfserr = nfsd_readdir(rqstp, &argp->fh, &offset,
506 &resp->common, nfssvc_encode_entry);
508 resp->count = resp->buffer - argp->buffer;
510 *resp->offset = htonl(offset);
517 * Get file system info
520 nfsd_proc_statfs(struct svc_rqst * rqstp, struct nfsd_fhandle *argp,
521 struct nfsd_statfsres *resp)
525 dprintk("nfsd: STATFS %s\n", SVCFH_fmt(&argp->fh));
527 nfserr = nfsd_statfs(rqstp, &argp->fh, &resp->stats,
528 NFSD_MAY_BYPASS_GSS_ON_ROOT);
534 * NFSv2 Server procedures.
535 * Only the results of non-idempotent operations are cached.
537 struct nfsd_void { int dummy; };
539 #define ST 1 /* status */
540 #define FH 8 /* filehandle */
541 #define AT 18 /* attributes */
543 static struct svc_procedure nfsd_procedures2[18] = {
545 .pc_func = (svc_procfunc) nfsd_proc_null,
546 .pc_decode = (kxdrproc_t) nfssvc_decode_void,
547 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
548 .pc_argsize = sizeof(struct nfsd_void),
549 .pc_ressize = sizeof(struct nfsd_void),
550 .pc_cachetype = RC_NOCACHE,
553 [NFSPROC_GETATTR] = {
554 .pc_func = (svc_procfunc) nfsd_proc_getattr,
555 .pc_decode = (kxdrproc_t) nfssvc_decode_fhandle,
556 .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
557 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
558 .pc_argsize = sizeof(struct nfsd_fhandle),
559 .pc_ressize = sizeof(struct nfsd_attrstat),
560 .pc_cachetype = RC_NOCACHE,
561 .pc_xdrressize = ST+AT,
563 [NFSPROC_SETATTR] = {
564 .pc_func = (svc_procfunc) nfsd_proc_setattr,
565 .pc_decode = (kxdrproc_t) nfssvc_decode_sattrargs,
566 .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
567 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
568 .pc_argsize = sizeof(struct nfsd_sattrargs),
569 .pc_ressize = sizeof(struct nfsd_attrstat),
570 .pc_cachetype = RC_REPLBUFF,
571 .pc_xdrressize = ST+AT,
574 .pc_decode = (kxdrproc_t) nfssvc_decode_void,
575 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
576 .pc_argsize = sizeof(struct nfsd_void),
577 .pc_ressize = sizeof(struct nfsd_void),
578 .pc_cachetype = RC_NOCACHE,
582 .pc_func = (svc_procfunc) nfsd_proc_lookup,
583 .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
584 .pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
585 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
586 .pc_argsize = sizeof(struct nfsd_diropargs),
587 .pc_ressize = sizeof(struct nfsd_diropres),
588 .pc_cachetype = RC_NOCACHE,
589 .pc_xdrressize = ST+FH+AT,
591 [NFSPROC_READLINK] = {
592 .pc_func = (svc_procfunc) nfsd_proc_readlink,
593 .pc_decode = (kxdrproc_t) nfssvc_decode_readlinkargs,
594 .pc_encode = (kxdrproc_t) nfssvc_encode_readlinkres,
595 .pc_argsize = sizeof(struct nfsd_readlinkargs),
596 .pc_ressize = sizeof(struct nfsd_readlinkres),
597 .pc_cachetype = RC_NOCACHE,
598 .pc_xdrressize = ST+1+NFS_MAXPATHLEN/4,
601 .pc_func = (svc_procfunc) nfsd_proc_read,
602 .pc_decode = (kxdrproc_t) nfssvc_decode_readargs,
603 .pc_encode = (kxdrproc_t) nfssvc_encode_readres,
604 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
605 .pc_argsize = sizeof(struct nfsd_readargs),
606 .pc_ressize = sizeof(struct nfsd_readres),
607 .pc_cachetype = RC_NOCACHE,
608 .pc_xdrressize = ST+AT+1+NFSSVC_MAXBLKSIZE_V2/4,
610 [NFSPROC_WRITECACHE] = {
611 .pc_decode = (kxdrproc_t) nfssvc_decode_void,
612 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
613 .pc_argsize = sizeof(struct nfsd_void),
614 .pc_ressize = sizeof(struct nfsd_void),
615 .pc_cachetype = RC_NOCACHE,
619 .pc_func = (svc_procfunc) nfsd_proc_write,
620 .pc_decode = (kxdrproc_t) nfssvc_decode_writeargs,
621 .pc_encode = (kxdrproc_t) nfssvc_encode_attrstat,
622 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
623 .pc_argsize = sizeof(struct nfsd_writeargs),
624 .pc_ressize = sizeof(struct nfsd_attrstat),
625 .pc_cachetype = RC_REPLBUFF,
626 .pc_xdrressize = ST+AT,
629 .pc_func = (svc_procfunc) nfsd_proc_create,
630 .pc_decode = (kxdrproc_t) nfssvc_decode_createargs,
631 .pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
632 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
633 .pc_argsize = sizeof(struct nfsd_createargs),
634 .pc_ressize = sizeof(struct nfsd_diropres),
635 .pc_cachetype = RC_REPLBUFF,
636 .pc_xdrressize = ST+FH+AT,
639 .pc_func = (svc_procfunc) nfsd_proc_remove,
640 .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
641 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
642 .pc_argsize = sizeof(struct nfsd_diropargs),
643 .pc_ressize = sizeof(struct nfsd_void),
644 .pc_cachetype = RC_REPLSTAT,
648 .pc_func = (svc_procfunc) nfsd_proc_rename,
649 .pc_decode = (kxdrproc_t) nfssvc_decode_renameargs,
650 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
651 .pc_argsize = sizeof(struct nfsd_renameargs),
652 .pc_ressize = sizeof(struct nfsd_void),
653 .pc_cachetype = RC_REPLSTAT,
657 .pc_func = (svc_procfunc) nfsd_proc_link,
658 .pc_decode = (kxdrproc_t) nfssvc_decode_linkargs,
659 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
660 .pc_argsize = sizeof(struct nfsd_linkargs),
661 .pc_ressize = sizeof(struct nfsd_void),
662 .pc_cachetype = RC_REPLSTAT,
665 [NFSPROC_SYMLINK] = {
666 .pc_func = (svc_procfunc) nfsd_proc_symlink,
667 .pc_decode = (kxdrproc_t) nfssvc_decode_symlinkargs,
668 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
669 .pc_argsize = sizeof(struct nfsd_symlinkargs),
670 .pc_ressize = sizeof(struct nfsd_void),
671 .pc_cachetype = RC_REPLSTAT,
675 .pc_func = (svc_procfunc) nfsd_proc_mkdir,
676 .pc_decode = (kxdrproc_t) nfssvc_decode_createargs,
677 .pc_encode = (kxdrproc_t) nfssvc_encode_diropres,
678 .pc_release = (kxdrproc_t) nfssvc_release_fhandle,
679 .pc_argsize = sizeof(struct nfsd_createargs),
680 .pc_ressize = sizeof(struct nfsd_diropres),
681 .pc_cachetype = RC_REPLBUFF,
682 .pc_xdrressize = ST+FH+AT,
685 .pc_func = (svc_procfunc) nfsd_proc_rmdir,
686 .pc_decode = (kxdrproc_t) nfssvc_decode_diropargs,
687 .pc_encode = (kxdrproc_t) nfssvc_encode_void,
688 .pc_argsize = sizeof(struct nfsd_diropargs),
689 .pc_ressize = sizeof(struct nfsd_void),
690 .pc_cachetype = RC_REPLSTAT,
693 [NFSPROC_READDIR] = {
694 .pc_func = (svc_procfunc) nfsd_proc_readdir,
695 .pc_decode = (kxdrproc_t) nfssvc_decode_readdirargs,
696 .pc_encode = (kxdrproc_t) nfssvc_encode_readdirres,
697 .pc_argsize = sizeof(struct nfsd_readdirargs),
698 .pc_ressize = sizeof(struct nfsd_readdirres),
699 .pc_cachetype = RC_NOCACHE,
702 .pc_func = (svc_procfunc) nfsd_proc_statfs,
703 .pc_decode = (kxdrproc_t) nfssvc_decode_fhandle,
704 .pc_encode = (kxdrproc_t) nfssvc_encode_statfsres,
705 .pc_argsize = sizeof(struct nfsd_fhandle),
706 .pc_ressize = sizeof(struct nfsd_statfsres),
707 .pc_cachetype = RC_NOCACHE,
708 .pc_xdrressize = ST+5,
713 struct svc_version nfsd_version2 = {
716 .vs_proc = nfsd_procedures2,
717 .vs_dispatch = nfsd_dispatch,
718 .vs_xdrsize = NFS2_SVC_XDRSIZE,
722 * Map errnos to NFS errnos.
732 { nfserr_perm, -EPERM },
733 { nfserr_noent, -ENOENT },
735 { nfserr_nxio, -ENXIO },
736 { nfserr_acces, -EACCES },
737 { nfserr_exist, -EEXIST },
738 { nfserr_xdev, -EXDEV },
739 { nfserr_mlink, -EMLINK },
740 { nfserr_nodev, -ENODEV },
741 { nfserr_notdir, -ENOTDIR },
742 { nfserr_isdir, -EISDIR },
743 { nfserr_inval, -EINVAL },
744 { nfserr_fbig, -EFBIG },
745 { nfserr_nospc, -ENOSPC },
746 { nfserr_rofs, -EROFS },
747 { nfserr_mlink, -EMLINK },
748 { nfserr_nametoolong, -ENAMETOOLONG },
749 { nfserr_notempty, -ENOTEMPTY },
751 { nfserr_dquot, -EDQUOT },
753 { nfserr_stale, -ESTALE },
754 { nfserr_jukebox, -ETIMEDOUT },
755 { nfserr_jukebox, -ERESTARTSYS },
756 { nfserr_dropit, -EAGAIN },
757 { nfserr_dropit, -ENOMEM },
758 { nfserr_badname, -ESRCH },
759 { nfserr_io, -ETXTBSY },
760 { nfserr_notsupp, -EOPNOTSUPP },
761 { nfserr_toosmall, -ETOOSMALL },
762 { nfserr_serverfault, -ESERVERFAULT },
766 for (i = 0; i < ARRAY_SIZE(nfs_errtbl); i++) {
767 if (nfs_errtbl[i].syserr == errno)
768 return nfs_errtbl[i].nfserr;
770 printk (KERN_INFO "nfsd: non-standard errno: %d\n", errno);