syscall messaging 2: Change the standard return value storage for system
[dragonfly.git] / sys / vfs / hpfs / hpfs_vfsops.c
CommitLineData
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1/*-
2 * Copyright (c) 1998, 1999 Semen Ustimenko (semenu@FreeBSD.org)
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/fs/hpfs/hpfs_vfsops.c,v 1.3.2.2 2001/12/25 01:44:45 dillon Exp $
377d4740 27 * $DragonFly: src/sys/vfs/hpfs/hpfs_vfsops.c,v 1.5 2003/07/19 21:14:31 dillon Exp $
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28 */
29
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/namei.h>
34#include <sys/conf.h>
35#include <sys/proc.h>
36#include <sys/kernel.h>
37#include <sys/vnode.h>
38#include <sys/mount.h>
39#include <sys/buf.h>
40#include <sys/fcntl.h>
41#include <sys/malloc.h>
42
43#include <vm/vm.h>
44#include <vm/vm_param.h>
45#if defined(__NetBSD__)
46#include <vm/vm_prot.h>
47#endif
48#include <vm/vm_page.h>
49#include <vm/vm_object.h>
50#include <vm/vm_extern.h>
51
52#if defined(__NetBSD__)
53#include <miscfs/specfs/specdev.h>
54#endif
55
56#include <fs/hpfs/hpfs.h>
57#include <fs/hpfs/hpfsmount.h>
58#include <fs/hpfs/hpfs_subr.h>
59
60#if defined(__FreeBSD__)
61MALLOC_DEFINE(M_HPFSMNT, "HPFS mount", "HPFS mount structure");
62MALLOC_DEFINE(M_HPFSNO, "HPFS node", "HPFS node structure");
63#endif
64
65static int hpfs_root __P((struct mount *, struct vnode **));
66static int hpfs_statfs __P((struct mount *, struct statfs *,
67 struct proc *));
68static int hpfs_unmount __P((struct mount *, int, struct proc *));
69static int hpfs_vget __P((struct mount *mp, ino_t ino,
70 struct vnode **vpp));
71static int hpfs_mountfs __P((register struct vnode *, struct mount *,
72 struct hpfs_args *, struct proc *));
73static int hpfs_vptofh __P((struct vnode *, struct fid *));
74static int hpfs_fhtovp __P((struct mount *, struct fid *,
75 struct vnode **));
76
77#if !defined(__FreeBSD__)
78static int hpfs_quotactl __P((struct mount *, int, uid_t, caddr_t,
79 struct proc *));
80static int hpfs_start __P((struct mount *, int, struct proc *));
81static int hpfs_sync __P((struct mount *, int, struct ucred *,
82 struct proc *));
83#endif
84
85#if defined(__FreeBSD__)
86struct sockaddr;
87static int hpfs_mount __P((struct mount *, char *, caddr_t,
88 struct nameidata *, struct proc *));
89static int hpfs_init __P((struct vfsconf *));
90static int hpfs_checkexp __P((struct mount *, struct sockaddr *,
91 int *, struct ucred **));
92#else /* defined(__NetBSD__) */
93static int hpfs_mount __P((struct mount *, const char *, void *,
94 struct nameidata *, struct proc *));
95static void hpfs_init __P((void));
96static int hpfs_mountroot __P((void));
97static int hpfs_sysctl __P((int *, u_int, void *, size_t *, void *,
98 size_t, struct proc *));
99static int hpfs_checkexp __P((struct mount *, struct mbuf *,
100 int *, struct ucred **));
101#endif
102
103/*ARGSUSED*/
104static int
105hpfs_checkexp(mp, nam, exflagsp, credanonp)
106#if defined(__FreeBSD__)
107 register struct mount *mp;
108 struct sockaddr *nam;
109 int *exflagsp;
110 struct ucred **credanonp;
111#else /* defined(__NetBSD__) */
112 register struct mount *mp;
113 struct mbuf *nam;
114 int *exflagsp;
115 struct ucred **credanonp;
116#endif
117{
118 register struct netcred *np;
119 register struct hpfsmount *hpm = VFSTOHPFS(mp);
120
121 /*
122 * Get the export permission structure for this <mp, client> tuple.
123 */
124 np = vfs_export_lookup(mp, &hpm->hpm_export, nam);
125 if (np == NULL)
126 return (EACCES);
127
128 *exflagsp = np->netc_exflags;
129 *credanonp = &np->netc_anon;
130 return (0);
131}
132
133#if !defined(__FreeBSD__)
134/*ARGSUSED*/
135static int
136hpfs_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p)
137 int *name;
138 u_int namelen;
139 void *oldp;
140 size_t *oldlenp;
141 void *newp;
142 size_t newlen;
143 struct proc *p;
144{
145 return (EINVAL);
146}
147
148static int
149hpfs_mountroot()
150{
151 return (EINVAL);
152}
153#endif
154
155#if defined(__FreeBSD__)
156static int
157hpfs_init (
158 struct vfsconf *vcp )
159#else /* defined(__NetBSD__) */
160static void
161hpfs_init ()
162#endif
163{
164 dprintf(("hpfs_init():\n"));
165
166 hpfs_hphashinit();
167#if defined(__FreeBSD__)
168 return 0;
169#endif
170}
171
172static int
173hpfs_mount (
174 struct mount *mp,
175#if defined(__FreeBSD__)
176 char *path,
177 caddr_t data,
178#else /* defined(__NetBSD__) */
179 const char *path,
180 void *data,
181#endif
182 struct nameidata *ndp,
183 struct proc *p )
184{
185 u_int size;
186 int err = 0;
187 struct vnode *devvp;
188 struct hpfs_args args;
189 struct hpfsmount *hpmp = 0;
190
191 dprintf(("hpfs_mount():\n"));
192 /*
193 ***
194 * Mounting non-root file system or updating a file system
195 ***
196 */
197
198 /* copy in user arguments*/
199 err = copyin(data, (caddr_t)&args, sizeof (struct hpfs_args));
200 if (err)
201 goto error_1; /* can't get arguments*/
202
203 /*
204 * If updating, check whether changing from read-only to
205 * read/write; if there is no device name, that's all we do.
206 */
207 if (mp->mnt_flag & MNT_UPDATE) {
208 dprintf(("hpfs_mount: MNT_UPDATE: "));
209
210 hpmp = VFSTOHPFS(mp);
211
212 if (args.fspec == 0) {
213 dprintf(("export 0x%x\n",args.export.ex_flags));
214 err = vfs_export(mp, &hpmp->hpm_export, &args.export);
215 if (err) {
216 printf("hpfs_mount: vfs_export failed %d\n",
217 err);
218 }
219 goto success;
220 } else {
221 dprintf(("name [FAILED]\n"));
222 err = EINVAL;
223 goto success;
224 }
225 dprintf(("\n"));
226 }
227
228 /*
229 * Not an update, or updating the name: look up the name
230 * and verify that it refers to a sensible block device.
231 */
232 NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p);
233 err = namei(ndp);
234 if (err) {
235 /* can't get devvp!*/
236 goto error_1;
237 }
238
239 devvp = ndp->ni_vp;
240
241#if defined(__FreeBSD__)
242 if (!vn_isdisk(devvp, &err))
243 goto error_2;
244#else /* defined(__NetBSD__) */
245 if (devvp->v_type != VBLK) {
246 err = ENOTBLK;
247 goto error_2;
248 }
249 if (major(devvp->v_rdev) >= nblkdev) {
250 err = ENXIO;
251 goto error_2;
252 }
253#endif
254
255 /*
256 ********************
257 * NEW MOUNT
258 ********************
259 */
260
261 /*
262 * Since this is a new mount, we want the names for
263 * the device and the mount point copied in. If an
264 * error occurs, the mountpoint is discarded by the
265 * upper level code.
266 */
267 /* Save "last mounted on" info for mount point (NULL pad)*/
268 copyinstr( path, /* mount point*/
269 mp->mnt_stat.f_mntonname, /* save area*/
270 MNAMELEN - 1, /* max size*/
271 &size); /* real size*/
272 bzero( mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
273
274 /* Save "mounted from" info for mount point (NULL pad)*/
275 copyinstr( args.fspec, /* device name*/
276 mp->mnt_stat.f_mntfromname, /* save area*/
277 MNAMELEN - 1, /* max size*/
278 &size); /* real size*/
279 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
280
281 err = hpfs_mountfs(devvp, mp, &args, p);
282 if (err)
283 goto error_2;
284
285 /*
286 * Initialize FS stat information in mount struct; uses both
287 * mp->mnt_stat.f_mntonname and mp->mnt_stat.f_mntfromname
288 *
289 * This code is common to root and non-root mounts
290 */
291 (void)VFS_STATFS(mp, &mp->mnt_stat, p);
292
293 goto success;
294
295
296error_2: /* error with devvp held*/
297
298 /* release devvp before failing*/
299 vrele(devvp);
300
301error_1: /* no state to back out*/
302
303success:
304 return( err);
305}
306
307/*
308 * Common code for mount and mountroot
309 */
310int
311hpfs_mountfs(devvp, mp, argsp, p)
312 register struct vnode *devvp;
313 struct mount *mp;
314 struct hpfs_args *argsp;
315 struct proc *p;
316{
317 int error, ncount, ronly;
318 struct sublock *sup;
319 struct spblock *spp;
320 struct hpfsmount *hpmp;
321 struct buf *bp = NULL;
322 struct vnode *vp;
323 dev_t dev = devvp->v_rdev;
324
325 dprintf(("hpfs_mountfs():\n"));
326 /*
327 * Disallow multiple mounts of the same device.
328 * Disallow mounting of a device that is currently in use
329 * (except for root, which might share swap device for miniroot).
330 * Flush out any old buffers remaining from a previous use.
331 */
332 error = vfs_mountedon(devvp);
333 if (error)
334 return (error);
335 ncount = vcount(devvp);
336#if defined(__FreeBSD__)
337 if (devvp->v_object)
338 ncount -= 1;
339#endif
340 if (ncount > 1 && devvp != rootvp)
341 return (EBUSY);
342
343#if defined(__FreeBSD__)
344 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, p);
3b568787 345 error = vinvalbuf(devvp, V_SAVE, p, 0, 0);
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346 VOP__UNLOCK(devvp, 0, p);
347#else
3b568787 348 error = vinvalbuf(devvp, V_SAVE, p, 0, 0);
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349#endif
350 if (error)
351 return (error);
352
353 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
354 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, p);
355 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, p);
356 VOP__UNLOCK(devvp, 0, p);
357 if (error)
358 return (error);
359
360 /*
361 * Do actual mount
362 */
363 hpmp = malloc(sizeof(struct hpfsmount), M_HPFSMNT, M_WAITOK);
364 bzero(hpmp, sizeof(struct hpfsmount));
365
366 /* Read in SuperBlock */
367 error = bread(devvp, SUBLOCK, SUSIZE, NOCRED, &bp);
368 if (error)
369 goto failed;
370 bcopy(bp->b_data, &hpmp->hpm_su, sizeof(struct sublock));
371 brelse(bp); bp = NULL;
372
373 /* Read in SpareBlock */
374 error = bread(devvp, SPBLOCK, SPSIZE, NOCRED, &bp);
375 if (error)
376 goto failed;
377 bcopy(bp->b_data, &hpmp->hpm_sp, sizeof(struct spblock));
378 brelse(bp); bp = NULL;
379
380 sup = &hpmp->hpm_su;
381 spp = &hpmp->hpm_sp;
382
383 /* Check magic */
384 if (sup->su_magic != SU_MAGIC) {
385 printf("hpfs_mountfs: SuperBlock MAGIC DOESN'T MATCH\n");
386 error = EINVAL;
387 goto failed;
388 }
389 if (spp->sp_magic != SP_MAGIC) {
390 printf("hpfs_mountfs: SpareBlock MAGIC DOESN'T MATCH\n");
391 error = EINVAL;
392 goto failed;
393 }
394
395 mp->mnt_data = (qaddr_t)hpmp;
396 hpmp->hpm_devvp = devvp;
397 hpmp->hpm_dev = devvp->v_rdev;
398 hpmp->hpm_mp = mp;
399 hpmp->hpm_uid = argsp->uid;
400 hpmp->hpm_gid = argsp->gid;
401 hpmp->hpm_mode = argsp->mode;
402
403 error = hpfs_bminit(hpmp);
404 if (error)
405 goto failed;
406
407 error = hpfs_cpinit(hpmp, argsp);
408 if (error) {
409 hpfs_bmdeinit(hpmp);
410 goto failed;
411 }
412
413 error = hpfs_root(mp, &vp);
414 if (error) {
415 hpfs_cpdeinit(hpmp);
416 hpfs_bmdeinit(hpmp);
417 goto failed;
418 }
419
420 vput(vp);
421
422#if defined(__FreeBSD__)
423 mp->mnt_stat.f_fsid.val[0] = (long)dev2udev(dev);
424 mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
425#else
426 mp->mnt_stat.f_fsid.val[0] = (long)dev;
427 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_HPFS);
428#endif
429 mp->mnt_maxsymlinklen = 0;
430 mp->mnt_flag |= MNT_LOCAL;
431 devvp->v_specmountpoint = mp;
432 return (0);
433
434failed:
435 if (bp)
436 brelse (bp);
437 mp->mnt_data = (qaddr_t)NULL;
438#if defined(__FreeBSD__)
439 devvp->v_specmountpoint = NULL;
440#else
441 devvp->v_specflags &= ~SI_MOUNTEDON;
442#endif
443 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p);
444 return (error);
445}
446
447#if !defined(__FreeBSD__)
448static int
449hpfs_start (
450 struct mount *mp,
451 int flags,
452 struct proc *p )
453{
454 return (0);
455}
456#endif
457
458static int
459hpfs_unmount(
460 struct mount *mp,
461 int mntflags,
462 struct proc *p)
463{
464 int error, flags, ronly;
465 register struct hpfsmount *hpmp = VFSTOHPFS(mp);
466
467 dprintf(("hpfs_unmount():\n"));
468
469 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
470
471 flags = 0;
472 if(mntflags & MNT_FORCE)
473 flags |= FORCECLOSE;
474
475 dprintf(("hpfs_unmount: vflushing...\n"));
476
477 error = vflush(mp, 0, flags);
478 if (error) {
479 printf("hpfs_unmount: vflush failed: %d\n",error);
480 return (error);
481 }
482
483#if defined(__FreeBSD__)
484 hpmp->hpm_devvp->v_specmountpoint = NULL;
485#else
486 hpmp->hpm_devvp->v_specflags &= ~SI_MOUNTEDON;
487#endif
488
3b568787 489 vinvalbuf(hpmp->hpm_devvp, V_SAVE, p, 0, 0);
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490 error = VOP_CLOSE(hpmp->hpm_devvp, ronly ? FREAD : FREAD|FWRITE,
491 NOCRED, p);
492
493 vrele(hpmp->hpm_devvp);
494
495 dprintf(("hpfs_umount: freeing memory...\n"));
496 hpfs_cpdeinit(hpmp);
497 hpfs_bmdeinit(hpmp);
498 mp->mnt_data = (qaddr_t)0;
499 mp->mnt_flag &= ~MNT_LOCAL;
500 FREE(hpmp, M_HPFSMNT);
501
502 return (0);
503}
504
505static int
506hpfs_root(
507 struct mount *mp,
508 struct vnode **vpp )
509{
510 int error = 0;
511 struct hpfsmount *hpmp = VFSTOHPFS(mp);
512
513 dprintf(("hpfs_root():\n"));
514 error = VFS_VGET(mp, (ino_t)hpmp->hpm_su.su_rootfno, vpp);
515 if(error) {
516 printf("hpfs_root: VFS_VGET failed: %d\n",error);
517 return (error);
518 }
519
520 return (error);
521}
522
523static int
524hpfs_statfs(
525 struct mount *mp,
526 struct statfs *sbp,
527 struct proc *p)
528{
529 struct hpfsmount *hpmp = VFSTOHPFS(mp);
530
531 dprintf(("hpfs_statfs(): HPFS%d.%d\n",
532 hpmp->hpm_su.su_hpfsver, hpmp->hpm_su.su_fnctver));
533
534#if defined(__FreeBSD__)
535 sbp->f_type = mp->mnt_vfc->vfc_typenum;
536#else /* defined(__NetBSD__) */
537 sbp->f_type = 0;
538#endif
539 sbp->f_bsize = DEV_BSIZE;
540 sbp->f_iosize = DEV_BSIZE;
541 sbp->f_blocks = hpmp->hpm_su.su_btotal;
542 sbp->f_bfree = sbp->f_bavail = hpmp->hpm_bavail;
543 sbp->f_ffree = 0;
544 sbp->f_files = 0;
545 if (sbp != &mp->mnt_stat) {
546 bcopy((caddr_t)mp->mnt_stat.f_mntonname,
547 (caddr_t)&sbp->f_mntonname[0], MNAMELEN);
548 bcopy((caddr_t)mp->mnt_stat.f_mntfromname,
549 (caddr_t)&sbp->f_mntfromname[0], MNAMELEN);
550 }
551 sbp->f_flags = mp->mnt_flag;
552
553 return (0);
554}
555
556#if !defined(__FreeBSD__)
557static int
558hpfs_sync (
559 struct mount *mp,
560 int waitfor,
561 struct ucred *cred,
562 struct proc *p)
563{
564 return (0);
565}
566
567static int
568hpfs_quotactl (
569 struct mount *mp,
570 int cmds,
571 uid_t uid,
572 caddr_t arg,
573 struct proc *p)
574{
575 printf("hpfs_quotactl():\n");
576 return (EOPNOTSUPP);
577}
578#endif
579
580/*ARGSUSED*/
581static int
582hpfs_fhtovp(
583 struct mount *mp,
584 struct fid *fhp,
585 struct vnode **vpp)
586{
587 struct vnode *nvp;
588 struct hpfid *hpfhp = (struct hpfid *)fhp;
589 int error;
590
591 if ((error = VFS_VGET(mp, hpfhp->hpfid_ino, &nvp)) != 0) {
592 *vpp = NULLVP;
593 return (error);
594 }
595 /* XXX as unlink/rmdir/mkdir/creat are not currently possible
596 * with HPFS, we don't need to check anything else for now */
597 *vpp = nvp;
598
599 return (0);
600}
601
602static int
603hpfs_vptofh(
604 struct vnode *vp,
605 struct fid *fhp)
606{
607 register struct hpfsnode *hpp;
608 register struct hpfid *hpfhp;
609
610 hpp = VTOHP(vp);
611 hpfhp = (struct hpfid *)fhp;
612 hpfhp->hpfid_len = sizeof(struct hpfid);
613 hpfhp->hpfid_ino = hpp->h_no;
614 /* hpfhp->hpfid_gen = hpp->h_gen; */
615 return (0);
616}
617
618static int
619hpfs_vget(
620 struct mount *mp,
621 ino_t ino,
622 struct vnode **vpp)
623{
624 struct hpfsmount *hpmp = VFSTOHPFS(mp);
625 struct vnode *vp;
626 struct hpfsnode *hp;
627 struct buf *bp;
628 struct proc *p = curproc; /* XXX */
629 int error;
630
631 dprintf(("hpfs_vget(0x%x): ",ino));
632
633 *vpp = NULL;
634 hp = NULL;
635 vp = NULL;
636
637 if ((*vpp = hpfs_hphashvget(hpmp->hpm_dev, ino, p)) != NULL) {
638 dprintf(("hashed\n"));
639 return (0);
640 }
641
642 /*
643 * We have to lock node creation for a while,
644 * but then we have to call getnewvnode(),
645 * this may cause hpfs_reclaim() to be called,
646 * this may need to VOP_VGET() parent dir for
647 * update reasons, and if parent is not in
648 * hash, we have to lock node creation...
649 * To solve this, we MALLOC, getnewvnode and init while
650 * not locked (probability of node appearence
651 * at that time is little, and anyway - we'll
652 * check for it).
653 */
654 MALLOC(hp, struct hpfsnode *, sizeof(struct hpfsnode),
655 M_HPFSNO, M_WAITOK);
656
657 error = getnewvnode(VT_HPFS, hpmp->hpm_mp, hpfs_vnodeop_p, &vp);
658 if (error) {
659 printf("hpfs_vget: can't get new vnode\n");
660 FREE(hp, M_HPFSNO);
661 return (error);
662 }
663
664 dprintf(("prenew "));
665
666 vp->v_data = hp;
667
668 if (ino == (ino_t)hpmp->hpm_su.su_rootfno)
669 vp->v_flag |= VROOT;
670
8a8d5d85 671 lwkt_inittoken(&hp->h_interlock);
377d4740 672 lockinit(&hp->h_lock, 0, "hpnode", VLKTIMEOUT, 0);
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673
674 hp->h_flag = H_INVAL;
675 hp->h_vp = vp;
676 hp->h_hpmp = hpmp;
677 hp->h_no = ino;
678 hp->h_dev = hpmp->hpm_dev;
679 hp->h_uid = hpmp->hpm_uid;
680 hp->h_gid = hpmp->hpm_uid;
681 hp->h_mode = hpmp->hpm_mode;
682 hp->h_devvp = hpmp->hpm_devvp;
683 VREF(hp->h_devvp);
684
685 error = VN_LOCK(vp, LK_EXCLUSIVE, p);
686 if (error) {
687 vput(vp);
688 return (error);
689 }
690
691 do {
692 if ((*vpp = hpfs_hphashvget(hpmp->hpm_dev, ino, p)) != NULL) {
693 dprintf(("hashed2\n"));
694 vput(vp);
695 return (0);
696 }
697 } while(LOCKMGR(&hpfs_hphash_lock,LK_EXCLUSIVE|LK_SLEEPFAIL,NULL,NULL));
698
699 hpfs_hphashins(hp);
700
701 LOCKMGR(&hpfs_hphash_lock, LK_RELEASE, NULL, NULL);
702
703 error = bread(hpmp->hpm_devvp, ino, FNODESIZE, NOCRED, &bp);
704 if (error) {
705 printf("hpfs_vget: can't read ino %d\n",ino);
706 vput(vp);
707 return (error);
708 }
709 bcopy(bp->b_data, &hp->h_fn, sizeof(struct fnode));
710 brelse(bp);
711
712 if (hp->h_fn.fn_magic != FN_MAGIC) {
713 printf("hpfs_vget: MAGIC DOESN'T MATCH\n");
714 vput(vp);
715 return (EINVAL);
716 }
717
718 vp->v_type = hp->h_fn.fn_flag ? VDIR:VREG;
719 hp->h_flag &= ~H_INVAL;
720
721 *vpp = vp;
722
723 return (0);
724}
725
726#if defined(__FreeBSD__)
727static struct vfsops hpfs_vfsops = {
728 hpfs_mount,
729 vfs_stdstart,
730 hpfs_unmount,
731 hpfs_root,
732 vfs_stdquotactl,
733 hpfs_statfs,
734 vfs_stdsync,
735 hpfs_vget,
736 hpfs_fhtovp,
737 hpfs_checkexp,
738 hpfs_vptofh,
739 hpfs_init,
740 vfs_stduninit,
741 vfs_stdextattrctl,
742};
743VFS_SET(hpfs_vfsops, hpfs, 0);
744#else /* defined(__NetBSD__) */
745extern struct vnodeopv_desc hpfs_vnodeop_opv_desc;
746
747struct vnodeopv_desc *hpfs_vnodeopv_descs[] = {
748 &hpfs_vnodeop_opv_desc,
749 NULL,
750};
751
752struct vfsops hpfs_vfsops = {
753 MOUNT_HPFS,
754 hpfs_mount,
755 hpfs_start,
756 hpfs_unmount,
757 hpfs_root,
758 hpfs_quotactl,
759 hpfs_statfs,
760 hpfs_sync,
761 hpfs_vget,
762 hpfs_fhtovp,
763 hpfs_vptofh,
764 hpfs_init,
765 hpfs_sysctl,
766 hpfs_mountroot,
767 hpfs_checkexp,
768 hpfs_vnodeopv_descs,
769};
770#endif