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[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 $
5fd012e0 27 * $DragonFly: src/sys/vfs/hpfs/hpfs_vfsops.c,v 1.22 2004/10/12 19:20:56 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>
7d1b9a3b 51#include <sys/buf2.h>
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52
53#if defined(__NetBSD__)
54#include <miscfs/specfs/specdev.h>
55#endif
56
1f2de5d4
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57#include "hpfs.h"
58#include "hpfsmount.h"
59#include "hpfs_subr.h"
984263bc 60
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61extern struct vnodeopv_entry_desc hpfs_vnodeop_entries[];
62
08c23b99 63#if defined(__DragonFly__)
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64MALLOC_DEFINE(M_HPFSMNT, "HPFS mount", "HPFS mount structure");
65MALLOC_DEFINE(M_HPFSNO, "HPFS node", "HPFS node structure");
66#endif
67
a6ee311a
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68static int hpfs_root (struct mount *, struct vnode **);
69static int hpfs_statfs (struct mount *, struct statfs *,
70 struct thread *);
71static int hpfs_unmount (struct mount *, int, struct thread *);
72static int hpfs_vget (struct mount *mp, ino_t ino,
73 struct vnode **vpp);
74static int hpfs_mountfs (struct vnode *, struct mount *,
75 struct hpfs_args *, struct thread *);
76static int hpfs_vptofh (struct vnode *, struct fid *);
77static int hpfs_fhtovp (struct mount *, struct fid *,
78 struct vnode **);
984263bc 79
08c23b99 80#if !defined(__DragonFly__)
a6ee311a
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81static int hpfs_quotactl (struct mount *, int, uid_t, caddr_t,
82 struct proc *);
83static int hpfs_start (struct mount *, int, struct proc *);
84static int hpfs_sync (struct mount *, int, struct ucred *,
85 struct proc *);
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86#endif
87
08c23b99 88#if defined(__DragonFly__)
984263bc 89struct sockaddr;
21739618 90static int hpfs_mount (struct mount *, char *, caddr_t, struct thread *);
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91static int hpfs_init (struct vfsconf *);
92static int hpfs_checkexp (struct mount *, struct sockaddr *,
93 int *, struct ucred **);
984263bc 94#else /* defined(__NetBSD__) */
a6ee311a
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95static int hpfs_mount (struct mount *, const char *, void *,
96 struct nameidata *, struct proc *);
97static void hpfs_init (void);
98static int hpfs_mountroot (void);
99static int hpfs_sysctl (int *, u_int, void *, size_t *, void *,
100 size_t, struct proc *);
101static int hpfs_checkexp (struct mount *, struct mbuf *,
102 int *, struct ucred **);
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103#endif
104
105/*ARGSUSED*/
106static int
dd3af26c 107hpfs_checkexp(struct mount *mp,
08c23b99 108#if defined(__DragonFly__)
dd3af26c 109 struct sockaddr *nam,
984263bc 110#else /* defined(__NetBSD__) */
dd3af26c 111 struct mbuf *nam,
984263bc 112#endif
dd3af26c 113 int *exflagsp, struct ucred **credanonp)
984263bc 114{
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115 struct netcred *np;
116 struct hpfsmount *hpm = VFSTOHPFS(mp);
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117
118 /*
119 * Get the export permission structure for this <mp, client> tuple.
120 */
121 np = vfs_export_lookup(mp, &hpm->hpm_export, nam);
122 if (np == NULL)
123 return (EACCES);
124
125 *exflagsp = np->netc_exflags;
126 *credanonp = &np->netc_anon;
127 return (0);
128}
129
08c23b99 130#if !defined(__DragonFly__)
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131/*ARGSUSED*/
132static int
dd3af26c
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133hpfs_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
134 size_t newlen, struct thread *td)
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135{
136 return (EINVAL);
137}
138
139static int
dd3af26c 140hpfs_mountroot(void)
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141{
142 return (EINVAL);
143}
144#endif
145
08c23b99 146#if defined(__DragonFly__)
984263bc 147static int
dd3af26c 148hpfs_init(struct vfsconf *vcp)
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149#else /* defined(__NetBSD__) */
150static void
dd3af26c 151hpfs_init(void)
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152#endif
153{
154 dprintf(("hpfs_init():\n"));
155
156 hpfs_hphashinit();
08c23b99 157#if defined(__DragonFly__)
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158 return 0;
159#endif
160}
161
162static int
dd3af26c 163hpfs_mount(struct mount *mp,
08c23b99 164#if defined(__DragonFly__)
dd3af26c 165 char *path, caddr_t data,
984263bc 166#else /* defined(__NetBSD__) */
dd3af26c 167 const char *path, void *data,
984263bc 168#endif
21739618 169 struct thread *td)
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170{
171 u_int size;
172 int err = 0;
173 struct vnode *devvp;
174 struct hpfs_args args;
175 struct hpfsmount *hpmp = 0;
21739618 176 struct nameidata nd;
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177
178 dprintf(("hpfs_mount():\n"));
179 /*
180 ***
181 * Mounting non-root file system or updating a file system
182 ***
183 */
184
185 /* copy in user arguments*/
186 err = copyin(data, (caddr_t)&args, sizeof (struct hpfs_args));
187 if (err)
188 goto error_1; /* can't get arguments*/
189
190 /*
191 * If updating, check whether changing from read-only to
192 * read/write; if there is no device name, that's all we do.
193 */
194 if (mp->mnt_flag & MNT_UPDATE) {
195 dprintf(("hpfs_mount: MNT_UPDATE: "));
196
197 hpmp = VFSTOHPFS(mp);
198
199 if (args.fspec == 0) {
200 dprintf(("export 0x%x\n",args.export.ex_flags));
201 err = vfs_export(mp, &hpmp->hpm_export, &args.export);
202 if (err) {
203 printf("hpfs_mount: vfs_export failed %d\n",
204 err);
205 }
206 goto success;
207 } else {
208 dprintf(("name [FAILED]\n"));
209 err = EINVAL;
210 goto success;
211 }
212 dprintf(("\n"));
213 }
214
215 /*
216 * Not an update, or updating the name: look up the name
217 * and verify that it refers to a sensible block device.
218 */
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219 NDINIT(&nd, NAMEI_LOOKUP, CNP_FOLLOW, UIO_USERSPACE, args.fspec, td);
220 err = namei(&nd);
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221 if (err) {
222 /* can't get devvp!*/
223 goto error_1;
224 }
225
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226 devvp = nd.ni_vp;
227 /* XXX NDFREE */
984263bc 228
08c23b99 229#if defined(__DragonFly__)
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230 if (!vn_isdisk(devvp, &err))
231 goto error_2;
232#else /* defined(__NetBSD__) */
233 if (devvp->v_type != VBLK) {
234 err = ENOTBLK;
235 goto error_2;
236 }
e4c9c0c8 237 if (umajor(devvp->v_udev) >= nblkdev) {
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238 err = ENXIO;
239 goto error_2;
240 }
241#endif
242
243 /*
244 ********************
245 * NEW MOUNT
246 ********************
247 */
248
249 /*
250 * Since this is a new mount, we want the names for
251 * the device and the mount point copied in. If an
252 * error occurs, the mountpoint is discarded by the
253 * upper level code.
254 */
255 /* Save "last mounted on" info for mount point (NULL pad)*/
256 copyinstr( path, /* mount point*/
257 mp->mnt_stat.f_mntonname, /* save area*/
258 MNAMELEN - 1, /* max size*/
259 &size); /* real size*/
260 bzero( mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
261
262 /* Save "mounted from" info for mount point (NULL pad)*/
263 copyinstr( args.fspec, /* device name*/
264 mp->mnt_stat.f_mntfromname, /* save area*/
265 MNAMELEN - 1, /* max size*/
266 &size); /* real size*/
267 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
268
7d1b9a3b 269 err = hpfs_mountfs(devvp, mp, &args, td);
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270 if (err)
271 goto error_2;
272
273 /*
274 * Initialize FS stat information in mount struct; uses both
275 * mp->mnt_stat.f_mntonname and mp->mnt_stat.f_mntfromname
276 *
277 * This code is common to root and non-root mounts
278 */
7d1b9a3b 279 (void)VFS_STATFS(mp, &mp->mnt_stat, td);
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280
281 goto success;
282
283
284error_2: /* error with devvp held*/
285
286 /* release devvp before failing*/
287 vrele(devvp);
288
289error_1: /* no state to back out*/
290
291success:
292 return( err);
293}
294
295/*
296 * Common code for mount and mountroot
297 */
298int
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299hpfs_mountfs(struct vnode *devvp, struct mount *mp, struct hpfs_args *argsp,
300 struct thread *td)
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301{
302 int error, ncount, ronly;
303 struct sublock *sup;
304 struct spblock *spp;
305 struct hpfsmount *hpmp;
306 struct buf *bp = NULL;
307 struct vnode *vp;
e4c9c0c8 308 dev_t dev;
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309
310 dprintf(("hpfs_mountfs():\n"));
311 /*
312 * Disallow multiple mounts of the same device.
313 * Disallow mounting of a device that is currently in use
314 * (except for root, which might share swap device for miniroot).
315 * Flush out any old buffers remaining from a previous use.
316 */
317 error = vfs_mountedon(devvp);
318 if (error)
319 return (error);
715f92b6 320 ncount = count_udev(devvp->v_udev);
08c23b99 321#if defined(__DragonFly__)
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322 if (devvp->v_object)
323 ncount -= 1;
324#endif
21739618 325 if (ncount > 0)
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326 return (EBUSY);
327
08c23b99 328#if defined(__DragonFly__)
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329 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, td);
330 error = vinvalbuf(devvp, V_SAVE, td, 0, 0);
331 VOP__UNLOCK(devvp, 0, td);
984263bc 332#else
7d1b9a3b 333 error = vinvalbuf(devvp, V_SAVE, td, 0, 0);
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334#endif
335 if (error)
336 return (error);
337
338 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
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339 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, td);
340 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, td);
341 VOP__UNLOCK(devvp, 0, td);
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342 if (error)
343 return (error);
e4c9c0c8 344 dev = devvp->v_rdev;
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345
346 /*
347 * Do actual mount
348 */
349 hpmp = malloc(sizeof(struct hpfsmount), M_HPFSMNT, M_WAITOK);
350 bzero(hpmp, sizeof(struct hpfsmount));
351
352 /* Read in SuperBlock */
7d1b9a3b 353 error = bread(devvp, SUBLOCK, SUSIZE, &bp);
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354 if (error)
355 goto failed;
356 bcopy(bp->b_data, &hpmp->hpm_su, sizeof(struct sublock));
357 brelse(bp); bp = NULL;
358
359 /* Read in SpareBlock */
7d1b9a3b 360 error = bread(devvp, SPBLOCK, SPSIZE, &bp);
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MD
361 if (error)
362 goto failed;
363 bcopy(bp->b_data, &hpmp->hpm_sp, sizeof(struct spblock));
364 brelse(bp); bp = NULL;
365
366 sup = &hpmp->hpm_su;
367 spp = &hpmp->hpm_sp;
368
369 /* Check magic */
370 if (sup->su_magic != SU_MAGIC) {
371 printf("hpfs_mountfs: SuperBlock MAGIC DOESN'T MATCH\n");
372 error = EINVAL;
373 goto failed;
374 }
375 if (spp->sp_magic != SP_MAGIC) {
376 printf("hpfs_mountfs: SpareBlock MAGIC DOESN'T MATCH\n");
377 error = EINVAL;
378 goto failed;
379 }
380
381 mp->mnt_data = (qaddr_t)hpmp;
382 hpmp->hpm_devvp = devvp;
e4c9c0c8 383 hpmp->hpm_dev = dev;
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384 hpmp->hpm_mp = mp;
385 hpmp->hpm_uid = argsp->uid;
386 hpmp->hpm_gid = argsp->gid;
387 hpmp->hpm_mode = argsp->mode;
388
389 error = hpfs_bminit(hpmp);
390 if (error)
391 goto failed;
392
393 error = hpfs_cpinit(hpmp, argsp);
394 if (error) {
395 hpfs_bmdeinit(hpmp);
396 goto failed;
397 }
0961aa92 398 vfs_add_vnodeops(&mp->mnt_vn_ops, hpfs_vnodeop_entries);
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399
400 error = hpfs_root(mp, &vp);
401 if (error) {
402 hpfs_cpdeinit(hpmp);
403 hpfs_bmdeinit(hpmp);
404 goto failed;
405 }
406
407 vput(vp);
408
08c23b99 409#if defined(__DragonFly__)
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410 mp->mnt_stat.f_fsid.val[0] = (long)dev2udev(dev);
411 mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
412#else
413 mp->mnt_stat.f_fsid.val[0] = (long)dev;
414 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_HPFS);
415#endif
416 mp->mnt_maxsymlinklen = 0;
417 mp->mnt_flag |= MNT_LOCAL;
e4c9c0c8 418 dev->si_mountpoint = mp;
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MD
419 return (0);
420
421failed:
422 if (bp)
423 brelse (bp);
424 mp->mnt_data = (qaddr_t)NULL;
08c23b99 425#if defined(__DragonFly__)
e4c9c0c8 426 dev->si_mountpoint = NULL;
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427#else
428 devvp->v_specflags &= ~SI_MOUNTEDON;
429#endif
7d1b9a3b 430 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, td);
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431 return (error);
432}
433
08c23b99 434#if !defined(__DragonFly__)
984263bc 435static int
dd3af26c 436hpfs_start(struct mount *mp, int flags, struct thread *td)
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MD
437{
438 return (0);
439}
440#endif
441
442static int
dd3af26c 443hpfs_unmount(struct mount *mp, int mntflags, struct thread *td)
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444{
445 int error, flags, ronly;
f7aae92f 446 struct hpfsmount *hpmp = VFSTOHPFS(mp);
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447
448 dprintf(("hpfs_unmount():\n"));
449
450 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
451
452 flags = 0;
453 if(mntflags & MNT_FORCE)
454 flags |= FORCECLOSE;
455
456 dprintf(("hpfs_unmount: vflushing...\n"));
457
458 error = vflush(mp, 0, flags);
459 if (error) {
460 printf("hpfs_unmount: vflush failed: %d\n",error);
461 return (error);
462 }
463
08c23b99 464#if defined(__DragonFly__)
e4c9c0c8 465 hpmp->hpm_devvp->v_rdev->si_mountpoint = NULL;
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466#else
467 hpmp->hpm_devvp->v_specflags &= ~SI_MOUNTEDON;
468#endif
469
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MD
470 vinvalbuf(hpmp->hpm_devvp, V_SAVE, td, 0, 0);
471 error = VOP_CLOSE(hpmp->hpm_devvp, ronly ? FREAD : FREAD|FWRITE, td);
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472
473 vrele(hpmp->hpm_devvp);
474
475 dprintf(("hpfs_umount: freeing memory...\n"));
476 hpfs_cpdeinit(hpmp);
477 hpfs_bmdeinit(hpmp);
478 mp->mnt_data = (qaddr_t)0;
479 mp->mnt_flag &= ~MNT_LOCAL;
480 FREE(hpmp, M_HPFSMNT);
481
482 return (0);
483}
484
485static int
dd3af26c 486hpfs_root(struct mount *mp, struct vnode **vpp)
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487{
488 int error = 0;
489 struct hpfsmount *hpmp = VFSTOHPFS(mp);
490
491 dprintf(("hpfs_root():\n"));
492 error = VFS_VGET(mp, (ino_t)hpmp->hpm_su.su_rootfno, vpp);
493 if(error) {
494 printf("hpfs_root: VFS_VGET failed: %d\n",error);
495 return (error);
496 }
497
498 return (error);
499}
500
501static int
dd3af26c 502hpfs_statfs(struct mount *mp, struct statfs *sbp, struct thread *td)
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503{
504 struct hpfsmount *hpmp = VFSTOHPFS(mp);
505
506 dprintf(("hpfs_statfs(): HPFS%d.%d\n",
507 hpmp->hpm_su.su_hpfsver, hpmp->hpm_su.su_fnctver));
508
08c23b99 509#if defined(__DragonFly__)
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510 sbp->f_type = mp->mnt_vfc->vfc_typenum;
511#else /* defined(__NetBSD__) */
512 sbp->f_type = 0;
513#endif
514 sbp->f_bsize = DEV_BSIZE;
515 sbp->f_iosize = DEV_BSIZE;
516 sbp->f_blocks = hpmp->hpm_su.su_btotal;
517 sbp->f_bfree = sbp->f_bavail = hpmp->hpm_bavail;
518 sbp->f_ffree = 0;
519 sbp->f_files = 0;
520 if (sbp != &mp->mnt_stat) {
521 bcopy((caddr_t)mp->mnt_stat.f_mntonname,
522 (caddr_t)&sbp->f_mntonname[0], MNAMELEN);
523 bcopy((caddr_t)mp->mnt_stat.f_mntfromname,
524 (caddr_t)&sbp->f_mntfromname[0], MNAMELEN);
525 }
526 sbp->f_flags = mp->mnt_flag;
527
528 return (0);
529}
530
08c23b99 531#if !defined(__DragonFly__)
984263bc 532static int
dd3af26c
CP
533hpfs_sync(struct mount *mp, int waitfor, struct ucred *cred,
534 struct thread *td)
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MD
535{
536 return (0);
537}
538
539static int
dd3af26c
CP
540hpfs_quotactl(struct mount *mp, int cmds, uid_t uid, caddr_t arg,
541 struct thread *td)
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542{
543 printf("hpfs_quotactl():\n");
544 return (EOPNOTSUPP);
545}
546#endif
547
548/*ARGSUSED*/
549static int
dd3af26c 550hpfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp)
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551{
552 struct vnode *nvp;
553 struct hpfid *hpfhp = (struct hpfid *)fhp;
554 int error;
555
556 if ((error = VFS_VGET(mp, hpfhp->hpfid_ino, &nvp)) != 0) {
557 *vpp = NULLVP;
558 return (error);
559 }
560 /* XXX as unlink/rmdir/mkdir/creat are not currently possible
561 * with HPFS, we don't need to check anything else for now */
562 *vpp = nvp;
563
564 return (0);
565}
566
567static int
dd3af26c 568hpfs_vptofh(struct vnode *vp, struct fid *fhp)
984263bc 569{
f7aae92f
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570 struct hpfsnode *hpp;
571 struct hpfid *hpfhp;
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MD
572
573 hpp = VTOHP(vp);
574 hpfhp = (struct hpfid *)fhp;
575 hpfhp->hpfid_len = sizeof(struct hpfid);
576 hpfhp->hpfid_ino = hpp->h_no;
577 /* hpfhp->hpfid_gen = hpp->h_gen; */
578 return (0);
579}
580
581static int
dd3af26c 582hpfs_vget(struct mount *mp, ino_t ino, struct vnode **vpp)
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MD
583{
584 struct hpfsmount *hpmp = VFSTOHPFS(mp);
585 struct vnode *vp;
586 struct hpfsnode *hp;
587 struct buf *bp;
7d1b9a3b 588 struct thread *td = curthread; /* XXX */
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589 int error;
590
591 dprintf(("hpfs_vget(0x%x): ",ino));
592
593 *vpp = NULL;
594 hp = NULL;
595 vp = NULL;
596
7d1b9a3b 597 if ((*vpp = hpfs_hphashvget(hpmp->hpm_dev, ino, td)) != NULL) {
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598 dprintf(("hashed\n"));
599 return (0);
600 }
601
602 /*
603 * We have to lock node creation for a while,
604 * but then we have to call getnewvnode(),
605 * this may cause hpfs_reclaim() to be called,
606 * this may need to VOP_VGET() parent dir for
607 * update reasons, and if parent is not in
608 * hash, we have to lock node creation...
609 * To solve this, we MALLOC, getnewvnode and init while
610 * not locked (probability of node appearence
611 * at that time is little, and anyway - we'll
612 * check for it).
613 */
614 MALLOC(hp, struct hpfsnode *, sizeof(struct hpfsnode),
615 M_HPFSNO, M_WAITOK);
616
3446c007
MD
617 error = getnewvnode(VT_HPFS, hpmp->hpm_mp, hpmp->hpm_mp->mnt_vn_ops,
618 &vp, VLKTIMEOUT, 0);
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MD
619 if (error) {
620 printf("hpfs_vget: can't get new vnode\n");
621 FREE(hp, M_HPFSNO);
622 return (error);
623 }
624
625 dprintf(("prenew "));
626
627 vp->v_data = hp;
628
629 if (ino == (ino_t)hpmp->hpm_su.su_rootfno)
630 vp->v_flag |= VROOT;
631
41a01a4d 632 lwkt_token_init(&hp->h_interlock);
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633
634 hp->h_flag = H_INVAL;
635 hp->h_vp = vp;
636 hp->h_hpmp = hpmp;
637 hp->h_no = ino;
638 hp->h_dev = hpmp->hpm_dev;
639 hp->h_uid = hpmp->hpm_uid;
640 hp->h_gid = hpmp->hpm_uid;
641 hp->h_mode = hpmp->hpm_mode;
642 hp->h_devvp = hpmp->hpm_devvp;
597aea93 643 vref(hp->h_devvp);
984263bc 644
984263bc 645 do {
7d1b9a3b 646 if ((*vpp = hpfs_hphashvget(hpmp->hpm_dev, ino, td)) != NULL) {
984263bc 647 dprintf(("hashed2\n"));
5fd012e0 648 vx_put(vp);
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649 return (0);
650 }
651 } while(LOCKMGR(&hpfs_hphash_lock,LK_EXCLUSIVE|LK_SLEEPFAIL,NULL,NULL));
652
653 hpfs_hphashins(hp);
654
655 LOCKMGR(&hpfs_hphash_lock, LK_RELEASE, NULL, NULL);
656
7d1b9a3b 657 error = bread(hpmp->hpm_devvp, ino, FNODESIZE, &bp);
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658 if (error) {
659 printf("hpfs_vget: can't read ino %d\n",ino);
5fd012e0 660 vx_put(vp);
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661 return (error);
662 }
663 bcopy(bp->b_data, &hp->h_fn, sizeof(struct fnode));
664 brelse(bp);
665
666 if (hp->h_fn.fn_magic != FN_MAGIC) {
667 printf("hpfs_vget: MAGIC DOESN'T MATCH\n");
5fd012e0 668 vx_put(vp);
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669 return (EINVAL);
670 }
671
672 vp->v_type = hp->h_fn.fn_flag ? VDIR:VREG;
673 hp->h_flag &= ~H_INVAL;
674
5fd012e0 675 /* Return the locked and refd vnode */
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676 *vpp = vp;
677
678 return (0);
679}
680
08c23b99 681#if defined(__DragonFly__)
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682static struct vfsops hpfs_vfsops = {
683 hpfs_mount,
684 vfs_stdstart,
685 hpfs_unmount,
686 hpfs_root,
687 vfs_stdquotactl,
688 hpfs_statfs,
689 vfs_stdsync,
690 hpfs_vget,
691 hpfs_fhtovp,
692 hpfs_checkexp,
693 hpfs_vptofh,
694 hpfs_init,
ae61ec9d 695 hpfs_hphash_uninit,
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696 vfs_stdextattrctl,
697};
698VFS_SET(hpfs_vfsops, hpfs, 0);
699#else /* defined(__NetBSD__) */
700extern struct vnodeopv_desc hpfs_vnodeop_opv_desc;
701
702struct vnodeopv_desc *hpfs_vnodeopv_descs[] = {
703 &hpfs_vnodeop_opv_desc,
704 NULL,
705};
706
707struct vfsops hpfs_vfsops = {
708 MOUNT_HPFS,
709 hpfs_mount,
710 hpfs_start,
711 hpfs_unmount,
712 hpfs_root,
713 hpfs_quotactl,
714 hpfs_statfs,
715 hpfs_sync,
716 hpfs_vget,
717 hpfs_fhtovp,
718 hpfs_vptofh,
719 hpfs_init,
720 hpfs_sysctl,
721 hpfs_mountroot,
722 hpfs_checkexp,
723 hpfs_vnodeopv_descs,
724};
725#endif