2 * Copyright (c) 1989, 1993, 1995
3 * The Regents of the University of California. All rights reserved.
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * @(#)nfs_vfsops.c 8.12 (Berkeley) 5/20/95
33 * $FreeBSD: src/sys/nfs/nfs_vfsops.c,v 1.91.2.7 2003/01/27 20:04:08 dillon Exp $
36 #include "opt_bootp.h"
37 #include "opt_nfsroot.h"
39 #include <sys/param.h>
40 #include <sys/sockio.h>
42 #include <sys/vnode.h>
43 #include <sys/fcntl.h>
44 #include <sys/kernel.h>
45 #include <sys/sysctl.h>
46 #include <sys/malloc.h>
47 #include <sys/mount.h>
49 #include <sys/socket.h>
50 #include <sys/socketvar.h>
51 #include <sys/systm.h>
52 #include <sys/objcache.h>
55 #include <vm/vm_extern.h>
58 #include <net/route.h>
59 #include <netinet/in.h>
61 #include <sys/thread2.h>
62 #include <sys/mutex2.h>
70 #include "nfsm_subs.h"
71 #include "nfsdiskless.h"
72 #include "nfsmountrpc.h"
74 extern int nfs_mountroot(struct mount *mp);
75 extern void bootpc_init(void);
77 extern struct vop_ops nfsv2_vnode_vops;
78 extern struct vop_ops nfsv2_fifo_vops;
79 extern struct vop_ops nfsv2_spec_vops;
81 MALLOC_DEFINE(M_NFSREQ, "NFS req", "NFS request header");
82 MALLOC_DEFINE(M_NFSBIGFH, "NFSV3 bigfh", "NFS version 3 file handle");
83 MALLOC_DEFINE(M_NFSD, "NFS daemon", "Nfs server daemon structure");
84 MALLOC_DEFINE(M_NFSDIROFF, "NFSV3 diroff", "NFS directory offset data");
85 MALLOC_DEFINE(M_NFSRVDESC, "NFSV3 srvdesc", "NFS server socket descriptor");
86 MALLOC_DEFINE(M_NFSUID, "NFS uid", "Nfs uid mapping structure");
87 MALLOC_DEFINE(M_NFSHASH, "NFS hash", "NFS hash tables");
89 struct objcache *nfsmount_objcache;
91 struct nfsstats nfsstats;
92 SYSCTL_NODE(_vfs, OID_AUTO, nfs, CTLFLAG_RW, 0, "NFS filesystem");
93 SYSCTL_STRUCT(_vfs_nfs, NFS_NFSSTATS, nfsstats, CTLFLAG_RD, &nfsstats, nfsstats,
94 "Nfs stats structure");
95 static int nfs_ip_paranoia = 1;
96 SYSCTL_INT(_vfs_nfs, OID_AUTO, nfs_ip_paranoia, CTLFLAG_RW, &nfs_ip_paranoia, 0,
97 "Enable no-connection mode for protocols that support no-connection mode");
100 SYSCTL_INT(_vfs_nfs, OID_AUTO, debug, CTLFLAG_RW, &nfs_debug, 0, "");
104 * Tunable to determine the Read/Write unit size. Maximum value
105 * is NFS_MAXDATA. We also default to NFS_MAXDATA.
107 static int nfs_io_size = NFS_MAXDATA;
108 SYSCTL_INT(_vfs_nfs, OID_AUTO, nfs_io_size, CTLFLAG_RW,
109 &nfs_io_size, 0, "NFS optimal I/O unit size");
111 static void nfs_decode_args (struct nfsmount *nmp,
112 struct nfs_args *argp);
113 static int mountnfs (struct nfs_args *,struct mount *,
114 struct sockaddr *,char *,char *,struct vnode **);
115 static int nfs_mount ( struct mount *mp, char *path, caddr_t data,
117 static int nfs_unmount ( struct mount *mp, int mntflags);
118 static int nfs_root ( struct mount *mp, struct vnode **vpp);
119 static int nfs_statfs ( struct mount *mp, struct statfs *sbp,
121 static int nfs_statvfs(struct mount *mp, struct statvfs *sbp,
123 static int nfs_sync ( struct mount *mp, int waitfor);
126 * nfs vfs operations.
128 static struct vfsops nfs_vfsops = {
129 .vfs_mount = nfs_mount,
130 .vfs_unmount = nfs_unmount,
131 .vfs_root = nfs_root,
132 .vfs_statfs = nfs_statfs,
133 .vfs_statvfs = nfs_statvfs,
134 .vfs_sync = nfs_sync,
135 .vfs_init = nfs_init,
136 .vfs_uninit = nfs_uninit
138 VFS_SET(nfs_vfsops, nfs, VFCF_NETWORK);
139 MODULE_VERSION(nfs, 1);
142 * This structure must be filled in by a primary bootstrap or bootstrap
143 * server for a diskless/dataless machine. It is initialized below just
144 * to ensure that it is allocated to initialized data (.data not .bss).
146 struct nfs_diskless nfs_diskless = { { { 0 } } };
147 struct nfsv3_diskless nfsv3_diskless = { { { 0 } } };
148 int nfs_diskless_valid = 0;
150 SYSCTL_INT(_vfs_nfs, OID_AUTO, diskless_valid, CTLFLAG_RD,
151 &nfs_diskless_valid, 0,
152 "NFS diskless params were obtained");
154 SYSCTL_STRING(_vfs_nfs, OID_AUTO, diskless_rootpath, CTLFLAG_RD,
155 nfsv3_diskless.root_hostnam, 0,
156 "Host name for mount point");
158 SYSCTL_OPAQUE(_vfs_nfs, OID_AUTO, diskless_rootaddr, CTLFLAG_RD,
159 &nfsv3_diskless.root_saddr, sizeof nfsv3_diskless.root_saddr,
160 "%Ssockaddr_in", "Address of root server");
162 SYSCTL_STRING(_vfs_nfs, OID_AUTO, diskless_swappath, CTLFLAG_RD,
163 nfsv3_diskless.swap_hostnam, 0,
164 "Host name for mount ppoint");
166 SYSCTL_OPAQUE(_vfs_nfs, OID_AUTO, diskless_swapaddr, CTLFLAG_RD,
167 &nfsv3_diskless.swap_saddr, sizeof nfsv3_diskless.swap_saddr,
168 "%Ssockaddr_in", "Address of swap server");
171 void nfsargs_ntoh (struct nfs_args *);
172 static int nfs_mountdiskless (char *, char *, int,
173 struct sockaddr_in *, struct nfs_args *,
174 struct thread *, struct vnode **,
176 static void nfs_convert_diskless (void);
177 static void nfs_convert_oargs (struct nfs_args *args,
178 struct onfs_args *oargs);
181 * Calculate the buffer I/O block size to use. The maximum V2 block size
182 * is typically 8K, the maximum datagram size is typically 16K, and the
183 * maximum V3 block size is typically 32K. The buffer cache tends to work
184 * best with 16K blocks but we allow 32K for TCP connections.
186 * We force the block size to be at least a page for buffer cache efficiency.
189 nfs_iosize(int v3, int sotype)
195 if (sotype == SOCK_STREAM)
198 iomax = NFS_MAXDGRAMDATA;
200 iomax = NFS_V2MAXDATA;
202 if ((iosize = nfs_io_size) > iomax)
204 if (iosize < PAGE_SIZE)
208 * This is an aweful hack but until the buffer cache is rewritten
209 * we need it. The problem is that when you combine write() with
210 * mmap() the vm_page->valid bits can become weird looking
211 * (e.g. 0xfc). This occurs because NFS uses piecemeal buffers
212 * at the file EOF. To solve the problem the BIO system needs to
213 * be guarenteed that the NFS iosize for regular files will be a
214 * multiple of PAGE_SIZE so it can invalidate the whole page
215 * rather then just the piece of it owned by the buffer when
216 * NFS does vinvalbuf() calls.
218 if (iosize & PAGE_MASK)
219 iosize = (iosize & ~PAGE_MASK) + PAGE_SIZE;
224 nfs_convert_oargs(struct nfs_args *args, struct onfs_args *oargs)
226 args->version = NFS_ARGSVERSION;
227 args->addr = oargs->addr;
228 args->addrlen = oargs->addrlen;
229 args->sotype = oargs->sotype;
230 args->proto = oargs->proto;
231 args->fh = oargs->fh;
232 args->fhsize = oargs->fhsize;
233 args->flags = oargs->flags;
234 args->wsize = oargs->wsize;
235 args->rsize = oargs->rsize;
236 args->readdirsize = oargs->readdirsize;
237 args->timeo = oargs->timeo;
238 args->retrans = oargs->retrans;
239 args->maxgrouplist = oargs->maxgrouplist;
240 args->readahead = oargs->readahead;
241 args->deadthresh = oargs->deadthresh;
242 args->hostname = oargs->hostname;
246 nfs_convert_diskless(void)
250 bcopy(&nfs_diskless.myif, &nfsv3_diskless.myif,
251 sizeof(struct ifaliasreq));
252 bcopy(&nfs_diskless.mygateway, &nfsv3_diskless.mygateway,
253 sizeof(struct sockaddr_in));
254 nfs_convert_oargs(&nfsv3_diskless.swap_args, &nfs_diskless.swap_args);
257 * Copy the NFS handle passed from the diskless code.
259 * XXX CURRENTLY DISABLED - bootp passes us a NFSv2 handle which
260 * will fail utterly with HAMMER due to limitations with NFSv2
263 bcopy(nfs_diskless.swap_fh, nfsv3_diskless.swap_fh, NFSX_V2FH);
264 nfsv3_diskless.swap_fhsize = NFSX_V2FH;
265 for (i = NFSX_V2FH - 1; i >= 0; --i) {
266 if (nfs_diskless.swap_fh[i])
270 nfsv3_diskless.swap_fhsize = 0;
271 nfsv3_diskless.swap_fhsize = 0; /* FORCE DISABLE */
273 bcopy(&nfs_diskless.swap_saddr,&nfsv3_diskless.swap_saddr,
274 sizeof(struct sockaddr_in));
275 bcopy(nfs_diskless.swap_hostnam,nfsv3_diskless.swap_hostnam, MNAMELEN);
276 nfsv3_diskless.swap_nblks = nfs_diskless.swap_nblks;
277 bcopy(&nfs_diskless.swap_ucred, &nfsv3_diskless.swap_ucred,
278 sizeof(struct ucred));
279 nfs_convert_oargs(&nfsv3_diskless.root_args, &nfs_diskless.root_args);
282 * Copy the NFS handle passed from the diskless code.
284 * XXX CURRENTLY DISABLED - bootp passes us a NFSv2 handle which
285 * will fail utterly with HAMMER due to limitations with NFSv2
288 bcopy(nfs_diskless.root_fh, nfsv3_diskless.root_fh, NFSX_V2FH);
289 nfsv3_diskless.root_fhsize = NFSX_V2FH;
290 for (i = NFSX_V2FH - 1; i >= 0; --i) {
291 if (nfs_diskless.root_fh[i])
295 nfsv3_diskless.root_fhsize = 0;
296 nfsv3_diskless.root_fhsize = 0; /* FORCE DISABLE */
298 bcopy(&nfs_diskless.root_saddr,&nfsv3_diskless.root_saddr,
299 sizeof(struct sockaddr_in));
300 bcopy(nfs_diskless.root_hostnam,nfsv3_diskless.root_hostnam, MNAMELEN);
301 nfsv3_diskless.root_time = nfs_diskless.root_time;
302 bcopy(nfs_diskless.my_hostnam,nfsv3_diskless.my_hostnam,
304 nfs_diskless_valid = 3;
311 nfs_statfs(struct mount *mp, struct statfs *sbp, struct ucred *cred)
314 struct nfs_statfs *sfp;
315 struct nfsmount *nmp = VFSTONFS(mp);
316 thread_t td = curthread;
317 int error = 0, retattr;
320 struct nfsm_info info;
323 info.v3 = (nmp->nm_flag & NFSMNT_NFSV3);
325 lwkt_gettoken(&nmp->nm_token);
330 error = nfs_nget(mp, (nfsfh_t *)nmp->nm_fh, nmp->nm_fhsize, &np, NULL);
332 lwkt_reltoken(&nmp->nm_token);
336 /* ignore the passed cred */
338 cred->cr_ngroups = 1;
339 if (info.v3 && (nmp->nm_state & NFSSTA_GOTFSINFO) == 0)
340 (void)nfs_fsinfo(nmp, vp, td);
341 nfsstats.rpccnt[NFSPROC_FSSTAT]++;
342 nfsm_reqhead(&info, vp, NFSPROC_FSSTAT, NFSX_FH(info.v3));
343 ERROROUT(nfsm_fhtom(&info, vp));
344 NEGKEEPOUT(nfsm_request(&info, vp, NFSPROC_FSSTAT, td, cred, &error));
346 ERROROUT(nfsm_postop_attr(&info, vp, &retattr,
347 NFS_LATTR_NOSHRINK));
350 if (info.mrep != NULL)
354 NULLOUT(sfp = nfsm_dissect(&info, NFSX_STATFS(info.v3)));
355 sbp->f_flags = nmp->nm_flag;
358 sbp->f_bsize = NFS_FABLKSIZE;
359 tquad = fxdr_hyper(&sfp->sf_tbytes);
360 sbp->f_blocks = (long)(tquad / ((u_quad_t)NFS_FABLKSIZE));
361 tquad = fxdr_hyper(&sfp->sf_fbytes);
362 sbp->f_bfree = (long)(tquad / ((u_quad_t)NFS_FABLKSIZE));
363 tquad = fxdr_hyper(&sfp->sf_abytes);
364 sbp->f_bavail = (long)(tquad / ((u_quad_t)NFS_FABLKSIZE));
365 sbp->f_files = (fxdr_unsigned(int32_t,
366 sfp->sf_tfiles.nfsuquad[1]) & 0x7fffffff);
367 sbp->f_ffree = (fxdr_unsigned(int32_t,
368 sfp->sf_ffiles.nfsuquad[1]) & 0x7fffffff);
370 sbp->f_bsize = fxdr_unsigned(int32_t, sfp->sf_bsize);
371 sbp->f_blocks = fxdr_unsigned(int32_t, sfp->sf_blocks);
372 sbp->f_bfree = fxdr_unsigned(int32_t, sfp->sf_bfree);
373 sbp->f_bavail = fxdr_unsigned(int32_t, sfp->sf_bavail);
379 * Some values are pre-set in mnt_stat. Note in particular f_iosize
380 * cannot be changed once the filesystem is mounted as it is used
381 * as the basis for BIOs.
383 if (sbp != &mp->mnt_stat) {
384 sbp->f_type = mp->mnt_vfc->vfc_typenum;
385 bcopy(mp->mnt_stat.f_mntfromname, sbp->f_mntfromname, MNAMELEN);
386 sbp->f_iosize = mp->mnt_stat.f_iosize;
393 lwkt_reltoken(&nmp->nm_token);
398 nfs_statvfs(struct mount *mp, struct statvfs *sbp, struct ucred *cred)
401 struct nfs_statfs *sfp;
402 struct nfsmount *nmp = VFSTONFS(mp);
403 thread_t td = curthread;
404 int error = 0, retattr;
406 struct nfsm_info info;
409 info.v3 = (nmp->nm_flag & NFSMNT_NFSV3);
410 lwkt_gettoken(&nmp->nm_token);
415 error = nfs_nget(mp, (nfsfh_t *)nmp->nm_fh, nmp->nm_fhsize, &np, NULL);
417 lwkt_reltoken(&nmp->nm_token);
421 /* ignore the passed cred */
423 cred->cr_ngroups = 1;
424 if (info.v3 && (nmp->nm_state & NFSSTA_GOTFSINFO) == 0)
425 (void)nfs_fsinfo(nmp, vp, td);
426 nfsstats.rpccnt[NFSPROC_FSSTAT]++;
427 nfsm_reqhead(&info, vp, NFSPROC_FSSTAT, NFSX_FH(info.v3));
428 ERROROUT(nfsm_fhtom(&info, vp));
429 NEGKEEPOUT(nfsm_request(&info, vp, NFSPROC_FSSTAT, td, cred, &error));
431 ERROROUT(nfsm_postop_attr(&info, vp, &retattr,
432 NFS_LATTR_NOSHRINK));
435 if (info.mrep != NULL)
439 NULLOUT(sfp = nfsm_dissect(&info, NFSX_STATFS(info.v3)));
440 sbp->f_flag = nmp->nm_flag;
441 sbp->f_owner = nmp->nm_cred->cr_ruid;
444 sbp->f_bsize = NFS_FABLKSIZE;
445 sbp->f_frsize = NFS_FABLKSIZE;
446 sbp->f_blocks = (fxdr_hyper(&sfp->sf_tbytes) /
447 ((u_quad_t)NFS_FABLKSIZE));
448 sbp->f_bfree = (fxdr_hyper(&sfp->sf_fbytes) /
449 ((u_quad_t)NFS_FABLKSIZE));
450 sbp->f_bavail = (fxdr_hyper(&sfp->sf_abytes) /
451 ((u_quad_t)NFS_FABLKSIZE));
452 sbp->f_files = fxdr_hyper(&sfp->sf_tfiles);
453 sbp->f_ffree = fxdr_hyper(&sfp->sf_ffiles);
454 sbp->f_favail = fxdr_hyper(&sfp->sf_afiles);
456 sbp->f_bsize = fxdr_unsigned(int32_t, sfp->sf_bsize);
457 sbp->f_blocks = fxdr_unsigned(int32_t, sfp->sf_blocks);
458 sbp->f_bfree = fxdr_unsigned(int32_t, sfp->sf_bfree);
459 sbp->f_bavail = fxdr_unsigned(int32_t, sfp->sf_bavail);
464 sbp->f_syncreads = 0;
465 sbp->f_syncwrites = 0;
466 sbp->f_asyncreads = 0;
467 sbp->f_asyncwrites = 0;
468 sbp->f_type = mp->mnt_vfc->vfc_typenum;
475 lwkt_reltoken(&nmp->nm_token);
480 * nfs version 3 fsinfo rpc call
483 nfs_fsinfo(struct nfsmount *nmp, struct vnode *vp, struct thread *td)
485 struct nfsv3_fsinfo *fsp;
487 int error = 0, retattr;
489 struct nfsm_info info;
492 nfsstats.rpccnt[NFSPROC_FSINFO]++;
493 nfsm_reqhead(&info, vp, NFSPROC_FSINFO, NFSX_FH(1));
494 ERROROUT(nfsm_fhtom(&info, vp));
495 NEGKEEPOUT(nfsm_request(&info, vp, NFSPROC_FSINFO, td,
496 nfs_vpcred(vp, ND_READ), &error));
497 ERROROUT(nfsm_postop_attr(&info, vp, &retattr, NFS_LATTR_NOSHRINK));
499 NULLOUT(fsp = nfsm_dissect(&info, NFSX_V3FSINFO));
500 pref = fxdr_unsigned(u_int32_t, fsp->fs_wtpref);
501 if (pref < nmp->nm_wsize && pref >= NFS_FABLKSIZE)
502 nmp->nm_wsize = roundup2(pref, NFS_FABLKSIZE);
503 max = fxdr_unsigned(u_int32_t, fsp->fs_wtmax);
504 if (max < nmp->nm_wsize && max > 0) {
505 nmp->nm_wsize = max & ~(NFS_FABLKSIZE - 1);
506 if (nmp->nm_wsize == 0)
509 pref = fxdr_unsigned(u_int32_t, fsp->fs_rtpref);
510 if (pref < nmp->nm_rsize && pref >= NFS_FABLKSIZE)
511 nmp->nm_rsize = roundup2(pref, NFS_FABLKSIZE);
512 max = fxdr_unsigned(u_int32_t, fsp->fs_rtmax);
513 if (max < nmp->nm_rsize && max > 0) {
514 nmp->nm_rsize = max & ~(NFS_FABLKSIZE - 1);
515 if (nmp->nm_rsize == 0)
518 pref = fxdr_unsigned(u_int32_t, fsp->fs_dtpref);
519 if (pref < nmp->nm_readdirsize && pref >= NFS_DIRBLKSIZ)
520 nmp->nm_readdirsize = roundup2(pref, NFS_DIRBLKSIZ);
521 if (max < nmp->nm_readdirsize && max > 0) {
522 nmp->nm_readdirsize = max & ~(NFS_DIRBLKSIZ - 1);
523 if (nmp->nm_readdirsize == 0)
524 nmp->nm_readdirsize = max;
526 maxfsize = fxdr_hyper(&fsp->fs_maxfilesize);
527 if (maxfsize > 0 && maxfsize < nmp->nm_maxfilesize)
528 nmp->nm_maxfilesize = maxfsize;
529 nmp->nm_state |= NFSSTA_GOTFSINFO;
532 * Use the smaller of rsize/wsize for the biosize.
534 if (nmp->nm_rsize < nmp->nm_wsize)
535 nmp->nm_mountp->mnt_stat.f_iosize = nmp->nm_rsize;
537 nmp->nm_mountp->mnt_stat.f_iosize = nmp->nm_wsize;
546 * Mount a remote root fs via. nfs. This depends on the info in the
547 * nfs_diskless structure that has been filled in properly by some primary
549 * It goes something like this:
550 * - do enough of "ifconfig" by calling ifioctl() so that the system
551 * can talk to the server
552 * - If nfs_diskless.mygateway is filled in, use that address as
554 * - build the rootfs mount point and call mountnfs() to do the rest.
557 nfs_mountroot(struct mount *mp)
559 struct mount *swap_mp;
560 struct nfsv3_diskless *nd = &nfsv3_diskless;
563 struct thread *td = curthread; /* XXX */
568 #if defined(BOOTP_NFSROOT) && defined(BOOTP)
569 bootpc_init(); /* use bootp to get nfs_diskless filled in */
573 * XXX time must be non-zero when we init the interface or else
574 * the arp code will wedge...
576 while (mycpu->gd_time_seconds == 0)
577 tsleep(mycpu, 0, "arpkludge", 10);
580 * The boot code may have passed us a diskless structure.
582 kprintf("DISKLESS %d\n", nfs_diskless_valid);
583 if (nfs_diskless_valid == 1)
584 nfs_convert_diskless();
589 nd->root_args.flags |= NFSMNT_NFSV3 | NFSMNT_RDIRPLUS;
590 nd->swap_args.flags |= NFSMNT_NFSV3;
592 #define SINP(sockaddr) ((struct sockaddr_in *)(sockaddr))
593 kprintf("nfs_mountroot: interface %s ip %s",
595 inet_ntoa(SINP(&nd->myif.ifra_addr)->sin_addr));
597 inet_ntoa(SINP(&nd->myif.ifra_broadaddr)->sin_addr));
598 kprintf(" mask %s\n",
599 inet_ntoa(SINP(&nd->myif.ifra_mask)->sin_addr));
603 * XXX splnet, so networks will receive...
608 * BOOTP does not necessarily have to be compiled into the kernel
609 * for an NFS root to work. If we inherited the network
610 * configuration for PXEBOOT then pxe_setup_nfsdiskless() has figured
611 * out our interface for us and all we need to do is ifconfig the
612 * interface. We only do this if the interface has not already been
613 * ifconfig'd by e.g. BOOTP.
615 error = socreate(nd->myif.ifra_addr.sa_family, &so, SOCK_DGRAM, 0, td);
617 panic("nfs_mountroot: socreate(%04x): %d",
618 nd->myif.ifra_addr.sa_family, error);
621 error = ifioctl(so, SIOCAIFADDR, (caddr_t)&nd->myif, proc0.p_ucred);
623 panic("nfs_mountroot: SIOCAIFADDR: %d", error);
625 soclose(so, FNONBLOCK);
628 * If the gateway field is filled in, set it as the default route.
630 if (nd->mygateway.sin_len != 0) {
631 struct sockaddr_in mask, sin;
633 bzero((caddr_t)&mask, sizeof(mask));
635 sin.sin_family = AF_INET;
636 sin.sin_len = sizeof(sin);
637 kprintf("nfs_mountroot: gateway %s\n",
638 inet_ntoa(nd->mygateway.sin_addr));
639 error = rtrequest_global(RTM_ADD, (struct sockaddr *)&sin,
640 (struct sockaddr *)&nd->mygateway,
641 (struct sockaddr *)&mask,
642 RTF_UP | RTF_GATEWAY);
644 kprintf("nfs_mountroot: unable to set gateway, error %d, continuing anyway\n", error);
648 * Create the rootfs mount point.
650 nd->root_args.fh = nd->root_fh;
651 nd->root_args.fhsize = nd->root_fhsize;
652 l = ntohl(nd->root_saddr.sin_addr.s_addr);
653 ksnprintf(buf, sizeof(buf), "%ld.%ld.%ld.%ld:%s",
654 (l >> 24) & 0xff, (l >> 16) & 0xff,
655 (l >> 8) & 0xff, (l >> 0) & 0xff,nd->root_hostnam);
656 kprintf("NFS_ROOT: %s\n",buf);
657 error = nfs_mountdiskless(buf, "/", MNT_RDONLY, &nd->root_saddr,
658 &nd->root_args, td, &vp, &mp);
660 mp->mnt_vfc->vfc_refcount--;
666 if (nd->swap_nblks) {
668 /* Convert to DEV_BSIZE instead of Kilobyte */
672 * Create a fake mount point just for the swap vnode so that the
673 * swap file can be on a different server from the rootfs.
675 nd->swap_args.fh = nd->swap_fh;
676 nd->swap_args.fhsize = nd->swap_fhsize;
677 l = ntohl(nd->swap_saddr.sin_addr.s_addr);
678 ksnprintf(buf, sizeof(buf), "%ld.%ld.%ld.%ld:%s",
679 (l >> 24) & 0xff, (l >> 16) & 0xff,
680 (l >> 8) & 0xff, (l >> 0) & 0xff,nd->swap_hostnam);
681 kprintf("NFS SWAP: %s\n",buf);
682 error = nfs_mountdiskless(buf, "/swap", 0, &nd->swap_saddr,
683 &nd->swap_args, td, &vp, &swap_mp);
690 VTONFS(vp)->n_size = VTONFS(vp)->n_vattr.va_size =
691 nd->swap_nblks * DEV_BSIZE ;
694 * Since the swap file is not the root dir of a file system,
695 * hack it to a regular file.
697 vclrflags(vp, VROOT);
699 nfs_setvtype(vp, VREG);
700 swaponvp(td, vp, nd->swap_nblks);
703 mp->mnt_flag |= MNT_ROOTFS;
706 * This is not really an nfs issue, but it is much easier to
707 * set hostname here and then let the "/etc/rc.xxx" files
708 * mount the right /var based upon its preset value.
710 bcopy(nd->my_hostnam, hostname, MAXHOSTNAMELEN);
711 hostname[MAXHOSTNAMELEN - 1] = '\0';
712 for (i = 0; i < MAXHOSTNAMELEN; i++)
713 if (hostname[i] == '\0')
715 inittodr(ntohl(nd->root_time));
721 * Internal version of mount system call for diskless setup.
724 nfs_mountdiskless(char *path, char *which, int mountflag,
725 struct sockaddr_in *sin, struct nfs_args *args, struct thread *td,
726 struct vnode **vpp, struct mount **mpp)
729 struct sockaddr *nam;
736 if ((error = vfs_rootmountalloc("nfs", path, &mp)) != 0) {
737 kprintf("nfs_mountroot: NFS not configured");
742 mp->mnt_kern_flag = 0;
743 mp->mnt_flag = mountflag;
744 nam = dup_sockaddr((struct sockaddr *)sin);
746 #if defined(BOOTP) || defined(NFS_ROOT)
747 if (args->fhsize == 0) {
750 kprintf("NFS_ROOT: No FH passed from loader, attempting "
752 while (*xpath && *xpath != ':')
757 error = md_mount(sin, xpath, args->fh, &args->fhsize, args, td);
759 kprintf("failed error %d.\n", error);
762 kprintf("success!\n");
766 if ((error = mountnfs(args, mp, nam, which, path, vpp)) != 0) {
767 #if defined(BOOTP) || defined(NFS_ROOT)
770 kprintf("nfs_mountroot: mount %s on %s: %d", path, which, error);
771 mp->mnt_vfc->vfc_refcount--;
774 kfree(nam, M_SONAME);
782 nfs_decode_args(struct nfsmount *nmp, struct nfs_args *argp)
789 * Silently clear NFSMNT_NOCONN if it's a TCP mount, it makes
790 * no sense in that context.
792 if (nmp->nm_sotype == SOCK_STREAM) {
793 nmp->nm_flag &= ~NFSMNT_NOCONN;
794 argp->flags &= ~NFSMNT_NOCONN;
798 * readdirplus is NFSv3 only.
800 if ((argp->flags & NFSMNT_NFSV3) == 0) {
801 nmp->nm_flag &= ~NFSMNT_RDIRPLUS;
802 argp->flags &= ~NFSMNT_RDIRPLUS;
806 * Re-bind if rsrvd port flag has changed
808 adjsock = (nmp->nm_flag & NFSMNT_RESVPORT) !=
809 (argp->flags & NFSMNT_RESVPORT);
811 /* Update flags atomically. Don't change the lock bits. */
812 nmp->nm_flag = argp->flags | nmp->nm_flag;
815 if ((argp->flags & NFSMNT_TIMEO) && argp->timeo > 0) {
816 nmp->nm_timeo = (argp->timeo * NFS_HZ + 5) / 10;
817 if (nmp->nm_timeo < NFS_MINTIMEO)
818 nmp->nm_timeo = NFS_MINTIMEO;
819 else if (nmp->nm_timeo > NFS_MAXTIMEO)
820 nmp->nm_timeo = NFS_MAXTIMEO;
823 if ((argp->flags & NFSMNT_RETRANS) && argp->retrans > 1) {
824 nmp->nm_retry = argp->retrans;
825 if (nmp->nm_retry > NFS_MAXREXMIT)
826 nmp->nm_retry = NFS_MAXREXMIT;
830 * These parameters effect the buffer cache and cannot be changed
831 * once we've successfully mounted.
833 if ((nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
834 maxio = nfs_iosize(argp->flags & NFSMNT_NFSV3, nmp->nm_sotype);
836 if ((argp->flags & NFSMNT_WSIZE) && argp->wsize > 0) {
837 nmp->nm_wsize = argp->wsize;
838 /* Round down to multiple of blocksize */
839 nmp->nm_wsize &= ~(NFS_FABLKSIZE - 1);
840 if (nmp->nm_wsize <= 0)
841 nmp->nm_wsize = NFS_FABLKSIZE;
843 if (nmp->nm_wsize > maxio)
844 nmp->nm_wsize = maxio;
845 if (nmp->nm_wsize > MAXBSIZE)
846 nmp->nm_wsize = MAXBSIZE;
848 if ((argp->flags & NFSMNT_RSIZE) && argp->rsize > 0) {
849 nmp->nm_rsize = argp->rsize;
850 /* Round down to multiple of blocksize */
851 nmp->nm_rsize &= ~(NFS_FABLKSIZE - 1);
852 if (nmp->nm_rsize <= 0)
853 nmp->nm_rsize = NFS_FABLKSIZE;
855 if (nmp->nm_rsize > maxio)
856 nmp->nm_rsize = maxio;
857 if (nmp->nm_rsize > MAXBSIZE)
858 nmp->nm_rsize = MAXBSIZE;
860 if ((argp->flags & NFSMNT_READDIRSIZE) &&
861 argp->readdirsize > 0) {
862 nmp->nm_readdirsize = argp->readdirsize;
864 if (nmp->nm_readdirsize > maxio)
865 nmp->nm_readdirsize = maxio;
866 if (nmp->nm_readdirsize > nmp->nm_rsize)
867 nmp->nm_readdirsize = nmp->nm_rsize;
870 if ((argp->flags & NFSMNT_ACREGMIN) && argp->acregmin >= 0)
871 nmp->nm_acregmin = argp->acregmin;
873 nmp->nm_acregmin = NFS_MINATTRTIMO;
874 if ((argp->flags & NFSMNT_ACREGMAX) && argp->acregmax >= 0)
875 nmp->nm_acregmax = argp->acregmax;
877 nmp->nm_acregmax = NFS_MAXATTRTIMO;
878 if ((argp->flags & NFSMNT_ACDIRMIN) && argp->acdirmin >= 0)
879 nmp->nm_acdirmin = argp->acdirmin;
881 nmp->nm_acdirmin = NFS_MINDIRATTRTIMO;
882 if ((argp->flags & NFSMNT_ACDIRMAX) && argp->acdirmax >= 0)
883 nmp->nm_acdirmax = argp->acdirmax;
885 nmp->nm_acdirmax = NFS_MAXDIRATTRTIMO;
886 if (nmp->nm_acdirmin > nmp->nm_acdirmax)
887 nmp->nm_acdirmin = nmp->nm_acdirmax;
888 if (nmp->nm_acregmin > nmp->nm_acregmax)
889 nmp->nm_acregmin = nmp->nm_acregmax;
891 if ((argp->flags & NFSMNT_MAXGRPS) && argp->maxgrouplist >= 0) {
892 if (argp->maxgrouplist <= NFS_MAXGRPS)
893 nmp->nm_numgrps = argp->maxgrouplist;
895 nmp->nm_numgrps = NFS_MAXGRPS;
897 if ((argp->flags & NFSMNT_READAHEAD) && argp->readahead >= 0) {
898 if (argp->readahead <= NFS_MAXRAHEAD)
899 nmp->nm_readahead = argp->readahead;
901 nmp->nm_readahead = NFS_MAXRAHEAD;
903 if ((argp->flags & NFSMNT_DEADTHRESH) && argp->deadthresh >= 1) {
904 if (argp->deadthresh <= NFS_NEVERDEAD)
905 nmp->nm_deadthresh = argp->deadthresh;
907 nmp->nm_deadthresh = NFS_NEVERDEAD;
910 if (nmp->nm_so && adjsock) {
911 nfs_safedisconnect(nmp);
912 if (nmp->nm_sotype == SOCK_DGRAM)
913 while (nfs_connect(nmp, NULL)) {
914 kprintf("nfs_args: retrying connect\n");
915 (void) tsleep((caddr_t)&lbolt, 0, "nfscon", 0);
924 * It seems a bit dumb to copyinstr() the host and path here and then
925 * bcopy() them in mountnfs(), but I wanted to detect errors before
926 * doing the sockargs() call because sockargs() allocates an mbuf and
927 * an error after that means that I have to release the mbuf.
931 nfs_mount(struct mount *mp, char *path, caddr_t data, struct ucred *cred)
934 struct nfs_args args;
935 struct sockaddr *nam;
937 char pth[MNAMELEN], hst[MNAMELEN];
939 u_char nfh[NFSX_V3FHMAX];
945 error = copyin(data, (caddr_t)&args, sizeof (struct nfs_args));
948 if (args.version != NFS_ARGSVERSION) {
949 #ifdef COMPAT_PRELITE2
951 * If the argument version is unknown, then assume the
952 * caller is a pre-lite2 4.4BSD client and convert its
955 struct onfs_args oargs;
956 error = copyin(data, (caddr_t)&oargs, sizeof (struct onfs_args));
959 nfs_convert_oargs(&args,&oargs);
960 #else /* !COMPAT_PRELITE2 */
961 return (EPROGMISMATCH);
962 #endif /* COMPAT_PRELITE2 */
964 if (mp->mnt_flag & MNT_UPDATE) {
965 struct nfsmount *nmp = VFSTONFS(mp);
970 * When doing an update, we can't change from or to
971 * v3, or change cookie translation, or rsize or wsize.
973 args.flags &= ~(NFSMNT_NFSV3 | NFSMNT_RSIZE | NFSMNT_WSIZE);
974 args.flags |= nmp->nm_flag & (NFSMNT_NFSV3);
975 nfs_decode_args(nmp, &args);
980 * Make the nfs_ip_paranoia sysctl serve as the default connection
981 * or no-connection mode for those protocols that support
982 * no-connection mode (the flag will be cleared later for protocols
983 * that do not support no-connection mode). This will allow a client
984 * to receive replies from a different IP then the request was
985 * sent to. Note: default value for nfs_ip_paranoia is 1 (paranoid),
988 if (nfs_ip_paranoia == 0)
989 args.flags |= NFSMNT_NOCONN;
990 if (args.fhsize < 0 || args.fhsize > NFSX_V3FHMAX)
992 error = copyin((caddr_t)args.fh, (caddr_t)nfh, args.fhsize);
995 error = copyinstr(path, pth, MNAMELEN-1, &len);
998 bzero(&pth[len], MNAMELEN - len);
999 error = copyinstr(args.hostname, hst, MNAMELEN-1, &len);
1002 bzero(&hst[len], MNAMELEN - len);
1003 /* sockargs() call must be after above copyin() calls */
1004 error = getsockaddr(&nam, (caddr_t)args.addr, args.addrlen);
1008 error = mountnfs(&args, mp, nam, pth, hst, &vp);
1013 * Common code for mount and mountroot
1016 mountnfs(struct nfs_args *argp, struct mount *mp, struct sockaddr *nam,
1017 char *pth, char *hst, struct vnode **vpp)
1019 struct nfsmount *nmp;
1025 if (mp->mnt_flag & MNT_UPDATE) {
1027 /* update paths, file handles, etc, here XXX */
1028 kfree(nam, M_SONAME);
1031 nmp = objcache_get(nfsmount_objcache, M_WAITOK);
1032 bzero((caddr_t)nmp, sizeof (struct nfsmount));
1033 mtx_init(&nmp->nm_rxlock, "nfsrx");
1034 mtx_init(&nmp->nm_txlock, "nfstx");
1035 TAILQ_INIT(&nmp->nm_uidlruhead);
1036 TAILQ_INIT(&nmp->nm_bioq);
1037 TAILQ_INIT(&nmp->nm_reqq);
1038 TAILQ_INIT(&nmp->nm_reqtxq);
1039 TAILQ_INIT(&nmp->nm_reqrxq);
1040 mp->mnt_data = (qaddr_t)nmp;
1041 lwkt_token_init(&nmp->nm_token, "nfs_token");
1044 nmp->nm_mountp = mp;
1045 mp->mnt_kern_flag |= MNTK_ALL_MPSAFE;
1046 mp->mnt_kern_flag |= MNTK_THR_SYNC; /* new vsyncscan semantics */
1048 lwkt_gettoken(&nmp->nm_token);
1051 * V2 can only handle 32 bit filesizes. A 4GB-1 limit may be too
1052 * high, depending on whether we end up with negative offsets in
1053 * the client or server somewhere. 2GB-1 may be safer.
1055 * For V3, nfs_fsinfo will adjust this as necessary. Assume maximum
1056 * that we can handle until we find out otherwise. Note that seek
1057 * offsets are signed.
1059 if ((argp->flags & NFSMNT_NFSV3) == 0)
1060 nmp->nm_maxfilesize = 0xffffffffLL;
1062 nmp->nm_maxfilesize = 0x7fffffffffffffffLL;
1064 nmp->nm_timeo = NFS_TIMEO;
1065 nmp->nm_retry = NFS_RETRANS;
1066 nmp->nm_wsize = nfs_iosize(argp->flags & NFSMNT_NFSV3, argp->sotype);
1067 nmp->nm_rsize = nmp->nm_wsize;
1068 nmp->nm_readdirsize = NFS_READDIRSIZE;
1069 nmp->nm_numgrps = NFS_MAXGRPS;
1070 nmp->nm_readahead = NFS_DEFRAHEAD;
1071 nmp->nm_deadthresh = NFS_DEADTHRESH;
1072 nmp->nm_fhsize = argp->fhsize;
1073 bcopy((caddr_t)argp->fh, (caddr_t)nmp->nm_fh, argp->fhsize);
1074 bcopy(hst, mp->mnt_stat.f_mntfromname, MNAMELEN);
1076 /* Set up the sockets and per-host congestion */
1077 nmp->nm_sotype = argp->sotype;
1078 nmp->nm_soproto = argp->proto;
1079 nmp->nm_cred = crhold(proc0.p_ucred);
1081 nfs_decode_args(nmp, argp);
1084 * For Connection based sockets (TCP,...) defer the connect until
1085 * the first request, in case the server is not responding.
1087 if (nmp->nm_sotype == SOCK_DGRAM &&
1088 (error = nfs_connect(nmp, NULL)))
1092 * This is silly, but it has to be set so that vinifod() works.
1093 * We do not want to do an nfs_statfs() here since we can get
1094 * stuck on a dead server and we are holding a lock on the mount
1097 mp->mnt_stat.f_iosize =
1098 nfs_iosize(nmp->nm_flag & NFSMNT_NFSV3, nmp->nm_sotype);
1101 * Install vop_ops for our vnops
1103 vfs_add_vnodeops(mp, &nfsv2_vnode_vops, &mp->mnt_vn_norm_ops);
1104 vfs_add_vnodeops(mp, &nfsv2_spec_vops, &mp->mnt_vn_spec_ops);
1105 vfs_add_vnodeops(mp, &nfsv2_fifo_vops, &mp->mnt_vn_fifo_ops);
1108 * A reference count is needed on the nfsnode representing the
1109 * remote root. If this object is not persistent, then backward
1110 * traversals of the mount point (i.e. "..") will not work if
1111 * the nfsnode gets flushed out of the cache. Ufs does not have
1112 * this problem, because one can identify root inodes by their
1113 * number == ROOTINO (2).
1115 error = nfs_nget(mp, (nfsfh_t *)nmp->nm_fh, nmp->nm_fhsize, &np, NULL);
1121 * Retrieval of mountpoint attributes is delayed until nfs_rot
1122 * or nfs_statfs are first called. This will happen either when
1123 * we first traverse the mount point or if somebody does a df(1).
1125 * NFSSTA_GOTFSINFO is used to flag if we have successfully
1126 * retrieved mountpoint attributes. In the case of NFSv3 we
1127 * also flag static fsinfo.
1130 (*vpp)->v_type = VNON;
1133 * Lose the lock but keep the ref.
1136 lwkt_gettoken(&nfs_token);
1137 TAILQ_INSERT_TAIL(&nfs_mountq, nmp, nm_entry);
1138 lwkt_reltoken(&nfs_token);
1157 * Start the reader and writer threads.
1159 lwkt_create(nfssvc_iod_reader, nmp, &nmp->nm_rxthread,
1160 NULL, 0, rxcpu, "nfsiod_rx");
1161 lwkt_create(nfssvc_iod_writer, nmp, &nmp->nm_txthread,
1162 NULL, 0, txcpu, "nfsiod_tx");
1163 lwkt_reltoken(&nmp->nm_token);
1166 nfs_disconnect(nmp);
1167 lwkt_reltoken(&nmp->nm_token);
1168 nfs_free_mount(nmp);
1173 * unmount system call
1176 nfs_unmount(struct mount *mp, int mntflags)
1178 struct nfsmount *nmp;
1179 int error, flags = 0;
1182 lwkt_gettoken(&nmp->nm_token);
1183 if (mntflags & MNT_FORCE) {
1184 flags |= FORCECLOSE;
1185 nmp->nm_flag |= NFSMNT_FORCE;
1189 * Goes something like this..
1190 * - Call vflush() to clear out vnodes for this file system
1191 * - Close the socket
1192 * - Free up the data structures
1194 /* In the forced case, cancel any outstanding requests. */
1195 if (flags & FORCECLOSE) {
1196 error = nfs_nmcancelreqs(nmp);
1198 kprintf("NFS: %s: Unable to cancel all requests\n",
1199 mp->mnt_stat.f_mntfromname);
1200 /* continue anyway */
1205 * Must handshake with nfs_clientd() if it is active. XXX
1207 nmp->nm_state |= NFSSTA_DISMINPROG;
1210 * We hold 1 extra ref on the root vnode; see comment in mountnfs().
1212 * If this doesn't work and we are doing a forced unmount we continue
1215 error = vflush(mp, 1, flags);
1217 nmp->nm_state &= ~NFSSTA_DISMINPROG;
1218 if ((flags & FORCECLOSE) == 0) {
1219 lwkt_reltoken(&nmp->nm_token);
1225 * We are now committed to the unmount.
1226 * For NQNFS, let the server daemon free the nfsmount structure.
1228 if (nmp->nm_flag & NFSMNT_KERB)
1229 nmp->nm_state |= NFSSTA_DISMNT;
1230 nfssvc_iod_stop1(nmp);
1231 nfs_disconnect(nmp);
1232 nfssvc_iod_stop2(nmp);
1234 lwkt_gettoken(&nfs_token);
1235 TAILQ_REMOVE(&nfs_mountq, nmp, nm_entry);
1236 lwkt_reltoken(&nfs_token);
1238 lwkt_reltoken(&nmp->nm_token);
1240 if ((nmp->nm_flag & NFSMNT_KERB) == 0) {
1241 nfs_free_mount(nmp);
1247 nfs_free_mount(struct nfsmount *nmp)
1250 crfree(nmp->nm_cred);
1251 nmp->nm_cred = NULL;
1254 kfree(nmp->nm_nam, M_SONAME);
1257 objcache_put(nfsmount_objcache, nmp);
1261 * Return root of a filesystem
1264 nfs_root(struct mount *mp, struct vnode **vpp)
1267 struct nfsmount *nmp;
1273 lwkt_gettoken(&nmp->nm_token);
1274 error = nfs_nget(mp, (nfsfh_t *)nmp->nm_fh, nmp->nm_fhsize, &np, NULL);
1276 lwkt_reltoken(&nmp->nm_token);
1282 * Get transfer parameters and root vnode attributes
1284 * NOTE: nfs_fsinfo() is expected to override the default
1287 if ((nmp->nm_state & NFSSTA_GOTFSINFO) == 0) {
1288 if (nmp->nm_flag & NFSMNT_NFSV3) {
1289 mp->mnt_stat.f_iosize = nfs_iosize(1, nmp->nm_sotype);
1290 error = nfs_fsinfo(nmp, vp, curthread);
1292 if ((error = VOP_GETATTR(vp, &attrs)) == 0)
1293 nmp->nm_state |= NFSSTA_GOTFSINFO;
1298 * The root vnode is usually cached by the namecache so do not
1299 * try to avoid going over the wire even if we have previous
1300 * information cached. A stale NFS mount can loop
1301 * forever resolving the root vnode if we return no-error when
1302 * there is in fact an error.
1304 np->n_attrstamp = 0;
1305 error = VOP_GETATTR(vp, &attrs);
1307 if (vp->v_type == VNON)
1308 nfs_setvtype(vp, VDIR);
1309 vsetflags(vp, VROOT);
1314 lwkt_reltoken(&nmp->nm_token);
1324 static int nfs_sync_scan2(struct mount *mp, struct vnode *vp, void *data);
1327 * Flush out the buffer cache
1331 nfs_sync(struct mount *mp, int waitfor)
1333 struct nfsmount *nmp = VFSTONFS(mp);
1334 struct scaninfo scaninfo;
1337 scaninfo.rescan = 1;
1338 scaninfo.waitfor = waitfor;
1339 scaninfo.allerror = 0;
1342 * Force stale buffer cache information to be flushed.
1344 lwkt_gettoken(&nmp->nm_token);
1346 if ((waitfor & MNT_LAZY) == 0) {
1347 while (error == 0 && scaninfo.rescan) {
1348 scaninfo.rescan = 0;
1349 error = vsyncscan(mp, VMSC_GETVP,
1350 nfs_sync_scan2, &scaninfo);
1353 lwkt_reltoken(&nmp->nm_token);
1358 nfs_sync_scan2(struct mount *mp, struct vnode *vp, void *data)
1360 struct scaninfo *info = data;
1363 if (vp->v_type == VNON || vp->v_type == VBAD)
1365 error = VOP_FSYNC(vp, info->waitfor, 0);
1367 info->allerror = error;