Style(9):
[dragonfly.git] / sys / vfs / ntfs / ntfs_vfsops.c
CommitLineData
984263bc
MD
1/* $NetBSD: ntfs_vfsops.c,v 1.23 1999/11/15 19:38:14 jdolecek Exp $ */
2
3/*-
4 * Copyright (c) 1998, 1999 Semen Ustimenko
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: src/sys/ntfs/ntfs_vfsops.c,v 1.20.2.5 2001/12/25 01:44:45 dillon Exp $
5fd012e0 29 * $DragonFly: src/sys/vfs/ntfs/ntfs_vfsops.c,v 1.23 2004/10/12 19:21:02 dillon Exp $
984263bc
MD
30 */
31
32
33#include <sys/param.h>
34#include <sys/systm.h>
984263bc
MD
35#include <sys/conf.h>
36#include <sys/proc.h>
dadab5e9 37#include <sys/namei.h>
984263bc
MD
38#include <sys/kernel.h>
39#include <sys/vnode.h>
40#include <sys/mount.h>
41#include <sys/buf.h>
42#include <sys/fcntl.h>
43#include <sys/malloc.h>
44#include <sys/systm.h>
45#if defined(__NetBSD__)
46#include <sys/device.h>
47#endif
48
49#include <vm/vm.h>
50#include <vm/vm_param.h>
51#if defined(__NetBSD__)
52#include <vm/vm_prot.h>
53#endif
54#include <vm/vm_page.h>
55#include <vm/vm_object.h>
56#include <vm/vm_extern.h>
57#include <vm/vm_zone.h>
58
59#if defined(__NetBSD__)
60#include <miscfs/specfs/specdev.h>
61#endif
62
63/*#define NTFS_DEBUG 1*/
1f2de5d4
MD
64#include "ntfs.h"
65#include "ntfs_inode.h"
66#include "ntfs_subr.h"
67#include "ntfs_vfsops.h"
68#include "ntfs_ihash.h"
69#include "ntfsmount.h"
984263bc 70
0961aa92
MD
71extern struct vnodeopv_entry_desc ntfs_vnodeop_entries[];
72
08c23b99 73#if defined(__DragonFly__)
984263bc
MD
74MALLOC_DEFINE(M_NTFSMNT, "NTFS mount", "NTFS mount structure");
75MALLOC_DEFINE(M_NTFSNTNODE,"NTFS ntnode", "NTFS ntnode information");
76MALLOC_DEFINE(M_NTFSFNODE,"NTFS fnode", "NTFS fnode information");
77MALLOC_DEFINE(M_NTFSDIR,"NTFS dir", "NTFS dir buffer");
78#endif
79
a6ee311a
RG
80static int ntfs_root (struct mount *, struct vnode **);
81static int ntfs_statfs (struct mount *, struct statfs *,
82 struct thread *);
83static int ntfs_unmount (struct mount *, int, struct thread *);
84static int ntfs_vget (struct mount *mp, ino_t ino,
85 struct vnode **vpp);
86static int ntfs_mountfs (struct vnode *, struct mount *,
87 struct ntfs_args *, struct thread *);
88static int ntfs_vptofh (struct vnode *, struct fid *);
89static int ntfs_fhtovp (struct mount *, struct fid *,
90 struct vnode **);
984263bc 91
08c23b99 92#if !defined (__DragonFly__)
a6ee311a
RG
93static int ntfs_quotactl (struct mount *, int, uid_t, caddr_t,
94 struct thread *);
95static int ntfs_start (struct mount *, int, struct thread *);
96static int ntfs_sync (struct mount *, int, struct ucred *,
97 struct thread *);
984263bc
MD
98#endif
99
08c23b99 100#if defined(__DragonFly__)
984263bc 101struct sockaddr;
21739618 102static int ntfs_mount (struct mount *, char *, caddr_t, struct thread *);
a6ee311a
RG
103static int ntfs_init (struct vfsconf *);
104static int ntfs_checkexp (struct mount *, struct sockaddr *,
105 int *, struct ucred **);
984263bc 106#elif defined(__NetBSD__)
a6ee311a
RG
107static int ntfs_mount (struct mount *, const char *, void *,
108 struct nameidata *, struct thread *);
109static void ntfs_init (void);
110static int ntfs_mountroot (void);
111static int ntfs_sysctl (int *, u_int, void *, size_t *, void *,
112 size_t, struct thread *);
113static int ntfs_checkexp (struct mount *, struct mbuf *,
114 int *, struct ucred **);
984263bc
MD
115#endif
116
117/*
118 * Verify a remote client has export rights and return these rights via.
119 * exflagsp and credanonp.
120 */
121static int
cd0a65a2 122ntfs_checkexp(struct mount *mp,
08c23b99 123#if defined(__DragonFly__)
cd0a65a2 124 struct sockaddr *nam,
984263bc 125#else /* defined(__NetBSD__) */
cd0a65a2 126 struct mbuf *nam,
984263bc 127#endif
cd0a65a2 128 int *exflagsp, struct ucred **credanonp)
984263bc 129{
34ee9825
RG
130 struct netcred *np;
131 struct ntfsmount *ntm = VFSTONTFS(mp);
984263bc
MD
132
133 /*
134 * Get the export permission structure for this <mp, client> tuple.
135 */
136 np = vfs_export_lookup(mp, &ntm->ntm_export, nam);
137 if (np == NULL)
138 return (EACCES);
139
140 *exflagsp = np->netc_exflags;
141 *credanonp = &np->netc_anon;
142 return (0);
143}
144
145#if defined(__NetBSD__)
146/*ARGSUSED*/
147static int
cd0a65a2
CP
148ntfs_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
149 size_t newlen, struct thread *td)
984263bc
MD
150{
151 return (EINVAL);
152}
153
154static int
cd0a65a2 155ntfs_mountroot(void)
984263bc
MD
156{
157 struct mount *mp;
21739618 158 struct vnode *rootvp;
dadab5e9 159 struct thread *td = curthread; /* XXX */
984263bc 160 struct ntfs_args args;
41a01a4d
MD
161 lwkt_tokref ilock;
162 int error;
984263bc
MD
163
164 if (root_device->dv_class != DV_DISK)
165 return (ENODEV);
166
167 /*
168 * Get vnodes for rootdev.
169 */
170 if (bdevvp(rootdev, &rootvp))
171 panic("ntfs_mountroot: can't setup rootvp");
172
173 if ((error = vfs_rootmountalloc(MOUNT_NTFS, "root_device", &mp))) {
174 vrele(rootvp);
175 return (error);
176 }
177
178 args.flag = 0;
179 args.uid = 0;
180 args.gid = 0;
181 args.mode = 0777;
182
dadab5e9 183 if ((error = ntfs_mountfs(rootvp, mp, &args, td)) != 0) {
984263bc
MD
184 mp->mnt_op->vfs_refcount--;
185 vfs_unbusy(mp);
186 free(mp, M_MOUNT);
187 vrele(rootvp);
188 return (error);
189 }
190
41a01a4d 191 lwkt_gettoken(&ilock, &mountlist_token);
984263bc 192 CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list);
41a01a4d 193 lwkt_reltoken(&ilock);
dadab5e9 194 (void)ntfs_statfs(mp, &mp->mnt_stat, td);
984263bc
MD
195 vfs_unbusy(mp);
196 return (0);
197}
198
199static void
cd0a65a2 200ntfs_init(void)
984263bc
MD
201{
202 ntfs_nthashinit();
203 ntfs_toupper_init();
204}
205
08c23b99 206#elif defined(__DragonFly__)
984263bc
MD
207
208static int
cd0a65a2 209ntfs_init(struct vfsconf *vcp)
984263bc
MD
210{
211 ntfs_nthashinit();
212 ntfs_toupper_init();
213 return 0;
214}
215
216#endif /* NetBSD */
217
218static int
cd0a65a2 219ntfs_mount(struct mount *mp,
08c23b99 220#if defined(__DragonFly__)
cd0a65a2 221 char *path, caddr_t data,
984263bc 222#else
cd0a65a2 223 const char *path, void *data,
984263bc 224#endif
21739618 225 struct thread *td)
cd0a65a2 226{
984263bc
MD
227 size_t size;
228 int err = 0;
229 struct vnode *devvp;
230 struct ntfs_args args;
21739618
MD
231 struct nameidata nd;
232 struct vnode *rootvp;
984263bc 233
08c23b99 234#ifdef __DragonFly__
984263bc
MD
235 /*
236 * Use NULL path to flag a root mount
237 */
238 if( path == NULL) {
239 /*
240 ***
241 * Mounting root file system
242 ***
243 */
244
245 /* Get vnode for root device*/
246 if( bdevvp( rootdev, &rootvp))
247 panic("ffs_mountroot: can't setup bdevvp for root");
248
249 /*
250 * FS specific handling
251 */
252 mp->mnt_flag |= MNT_RDONLY; /* XXX globally applicable?*/
253
254 /*
255 * Attempt mount
256 */
dadab5e9 257 if( ( err = ntfs_mountfs(rootvp, mp, &args, td)) != 0) {
984263bc
MD
258 /* fs specific cleanup (if any)*/
259 goto error_1;
260 }
261
262 goto dostatfs; /* success*/
263
264 }
265#endif /* FreeBSD */
266
267 /*
268 ***
269 * Mounting non-root file system or updating a file system
270 ***
271 */
272
273 /* copy in user arguments*/
274 err = copyin(data, (caddr_t)&args, sizeof (struct ntfs_args));
275 if (err)
276 goto error_1; /* can't get arguments*/
277
278 /*
279 * If updating, check whether changing from read-only to
280 * read/write; if there is no device name, that's all we do.
281 */
282 if (mp->mnt_flag & MNT_UPDATE) {
283 /* if not updating name...*/
284 if (args.fspec == 0) {
285 /*
286 * Process export requests. Jumping to "success"
287 * will return the vfs_export() error code.
288 */
289 struct ntfsmount *ntm = VFSTONTFS(mp);
290 err = vfs_export(mp, &ntm->ntm_export, &args.export);
291 goto success;
292 }
293
294 printf("ntfs_mount(): MNT_UPDATE not supported\n");
295 err = EINVAL;
296 goto error_1;
297 }
298
299 /*
300 * Not an update, or updating the name: look up the name
301 * and verify that it refers to a sensible block device.
302 */
21739618
MD
303 NDINIT(&nd, NAMEI_LOOKUP, CNP_FOLLOW, UIO_USERSPACE, args.fspec, td);
304 err = namei(&nd);
984263bc
MD
305 if (err) {
306 /* can't get devvp!*/
307 goto error_1;
308 }
21739618
MD
309 NDFREE(&nd, NDF_ONLY_PNBUF);
310 devvp = nd.ni_vp;
984263bc 311
08c23b99 312#if defined(__DragonFly__)
984263bc
MD
313 if (!vn_isdisk(devvp, &err))
314 goto error_2;
315#else
316 if (devvp->v_type != VBLK) {
317 err = ENOTBLK;
318 goto error_2;
319 }
e4c9c0c8 320 if (umajor(devvp->v_udev) >= nblkdev) {
984263bc
MD
321 err = ENXIO;
322 goto error_2;
323 }
324#endif
325 if (mp->mnt_flag & MNT_UPDATE) {
326#if 0
327 /*
328 ********************
329 * UPDATE
330 ********************
331 */
332
333 if (devvp != ntmp->um_devvp)
334 err = EINVAL; /* needs translation */
335 else
336 vrele(devvp);
337 /*
338 * Update device name only on success
339 */
340 if( !err) {
341 /* Save "mounted from" info for mount point (NULL pad)*/
342 copyinstr( args.fspec,
343 mp->mnt_stat.f_mntfromname,
344 MNAMELEN - 1,
345 &size);
346 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
347 }
348#endif
349 } else {
350 /*
351 ********************
352 * NEW MOUNT
353 ********************
354 */
355
356 /*
357 * Since this is a new mount, we want the names for
358 * the device and the mount point copied in. If an
359 * error occurs, the mountpoint is discarded by the
360 * upper level code.
361 */
362 /* Save "last mounted on" info for mount point (NULL pad)*/
363 copyinstr( path, /* mount point*/
364 mp->mnt_stat.f_mntonname, /* save area*/
365 MNAMELEN - 1, /* max size*/
366 &size); /* real size*/
367 bzero( mp->mnt_stat.f_mntonname + size, MNAMELEN - size);
368
369 /* Save "mounted from" info for mount point (NULL pad)*/
370 copyinstr( args.fspec, /* device name*/
371 mp->mnt_stat.f_mntfromname, /* save area*/
372 MNAMELEN - 1, /* max size*/
373 &size); /* real size*/
374 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
375
dadab5e9 376 err = ntfs_mountfs(devvp, mp, &args, td);
984263bc
MD
377 }
378 if (err) {
379 goto error_2;
380 }
381
08c23b99 382#ifdef __DragonFly__
984263bc
MD
383dostatfs:
384#endif
385 /*
386 * Initialize FS stat information in mount struct; uses both
387 * mp->mnt_stat.f_mntonname and mp->mnt_stat.f_mntfromname
388 *
389 * This code is common to root and non-root mounts
390 */
dadab5e9 391 (void)VFS_STATFS(mp, &mp->mnt_stat, td);
984263bc
MD
392
393 goto success;
394
395
396error_2: /* error with devvp held*/
397
398 /* release devvp before failing*/
399 vrele(devvp);
400
401error_1: /* no state to back out*/
402
403success:
404 return(err);
405}
406
407/*
408 * Common code for mount and mountroot
409 */
410int
cd0a65a2
CP
411ntfs_mountfs(struct vnode *devvp, struct mount *mp, struct ntfs_args *argsp,
412 struct thread *td)
984263bc
MD
413{
414 struct buf *bp;
415 struct ntfsmount *ntmp;
e4c9c0c8 416 dev_t dev;
984263bc
MD
417 int error, ronly, ncount, i;
418 struct vnode *vp;
dadab5e9
MD
419 struct ucred *cred;
420
421 KKASSERT(td->td_proc);
422 cred = td->td_proc->p_ucred;
984263bc
MD
423
424 /*
425 * Disallow multiple mounts of the same device.
426 * Disallow mounting of a device that is currently in use
427 * (except for root, which might share swap device for miniroot).
428 * Flush out any old buffers remaining from a previous use.
429 */
430 error = vfs_mountedon(devvp);
431 if (error)
432 return (error);
715f92b6 433 ncount = count_udev(devvp->v_udev);
08c23b99 434#if defined(__DragonFly__)
984263bc
MD
435 if (devvp->v_object)
436 ncount -= 1;
437#endif
21739618 438 if (ncount > 1)
984263bc 439 return (EBUSY);
08c23b99 440#if defined(__DragonFly__)
dadab5e9 441 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, td);
3b568787 442 error = vinvalbuf(devvp, V_SAVE, td, 0, 0);
dadab5e9 443 VOP__UNLOCK(devvp, 0, td);
984263bc 444#else
3b568787 445 error = vinvalbuf(devvp, V_SAVE, td, 0, 0);
984263bc
MD
446#endif
447 if (error)
448 return (error);
449
450 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
dadab5e9
MD
451 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, td);
452 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, td);
453 VOP__UNLOCK(devvp, 0, td);
984263bc
MD
454 if (error)
455 return (error);
e4c9c0c8 456 dev = devvp->v_rdev;
984263bc
MD
457
458 bp = NULL;
459
3b568787 460 error = bread(devvp, BBLOCK, BBSIZE, &bp);
984263bc
MD
461 if (error)
462 goto out;
463 ntmp = malloc( sizeof *ntmp, M_NTFSMNT, M_WAITOK );
464 bzero( ntmp, sizeof *ntmp );
465 bcopy( bp->b_data, &ntmp->ntm_bootfile, sizeof(struct bootfile) );
466 brelse( bp );
467 bp = NULL;
468
469 if (strncmp(ntmp->ntm_bootfile.bf_sysid, NTFS_BBID, NTFS_BBIDLEN)) {
470 error = EINVAL;
471 dprintf(("ntfs_mountfs: invalid boot block\n"));
472 goto out;
473 }
474
475 {
476 int8_t cpr = ntmp->ntm_mftrecsz;
477 if( cpr > 0 )
478 ntmp->ntm_bpmftrec = ntmp->ntm_spc * cpr;
479 else
480 ntmp->ntm_bpmftrec = (1 << (-cpr)) / ntmp->ntm_bps;
481 }
482 dprintf(("ntfs_mountfs(): bps: %d, spc: %d, media: %x, mftrecsz: %d (%d sects)\n",
483 ntmp->ntm_bps,ntmp->ntm_spc,ntmp->ntm_bootfile.bf_media,
484 ntmp->ntm_mftrecsz,ntmp->ntm_bpmftrec));
485 dprintf(("ntfs_mountfs(): mftcn: 0x%x|0x%x\n",
486 (u_int32_t)ntmp->ntm_mftcn,(u_int32_t)ntmp->ntm_mftmirrcn));
487
488 ntmp->ntm_mountp = mp;
489 ntmp->ntm_dev = dev;
490 ntmp->ntm_devvp = devvp;
491 ntmp->ntm_uid = argsp->uid;
492 ntmp->ntm_gid = argsp->gid;
493 ntmp->ntm_mode = argsp->mode;
494 ntmp->ntm_flag = argsp->flag;
495
496 /* Copy in the 8-bit to Unicode conversion table */
497 if (argsp->flag & NTFSMNT_U2WTABLE) {
498 ntfs_82u_init(ntmp, argsp->u2w);
499 } else {
500 ntfs_82u_init(ntmp, NULL);
501 }
502
503 /* Initialize Unicode to 8-bit table from 8toU table */
504 ntfs_u28_init(ntmp, ntmp->ntm_82u);
505
506 mp->mnt_data = (qaddr_t)ntmp;
507
508 dprintf(("ntfs_mountfs(): case-%s,%s uid: %d, gid: %d, mode: %o\n",
509 (ntmp->ntm_flag & NTFS_MFLAG_CASEINS)?"insens.":"sens.",
510 (ntmp->ntm_flag & NTFS_MFLAG_ALLNAMES)?" allnames,":"",
511 ntmp->ntm_uid, ntmp->ntm_gid, ntmp->ntm_mode));
512
320bc044
MD
513 vfs_add_vnodeops(&mp->mnt_vn_ops, ntfs_vnodeop_entries);
514
984263bc
MD
515 /*
516 * We read in some system nodes to do not allow
517 * reclaim them and to have everytime access to them.
518 */
519 {
520 int pi[3] = { NTFS_MFTINO, NTFS_ROOTINO, NTFS_BITMAPINO };
521 for (i=0; i<3; i++) {
522 error = VFS_VGET(mp, pi[i], &(ntmp->ntm_sysvn[pi[i]]));
523 if(error)
524 goto out1;
525 ntmp->ntm_sysvn[pi[i]]->v_flag |= VSYSTEM;
597aea93 526 vref(ntmp->ntm_sysvn[pi[i]]);
984263bc
MD
527 vput(ntmp->ntm_sysvn[pi[i]]);
528 }
529 }
530
531 /* read the Unicode lowercase --> uppercase translation table,
532 * if necessary */
533 if ((error = ntfs_toupper_use(mp, ntmp)))
534 goto out1;
535
536 /*
537 * Scan $BitMap and count free clusters
538 */
539 error = ntfs_calccfree(ntmp, &ntmp->ntm_cfree);
540 if(error)
541 goto out1;
542
543 /*
544 * Read and translate to internal format attribute
545 * definition file.
546 */
547 {
548 int num,j;
549 struct attrdef ad;
550
551 /* Open $AttrDef */
552 error = VFS_VGET(mp, NTFS_ATTRDEFINO, &vp );
553 if(error)
554 goto out1;
555
556 /* Count valid entries */
557 for(num=0;;num++) {
558 error = ntfs_readattr(ntmp, VTONT(vp),
559 NTFS_A_DATA, NULL,
560 num * sizeof(ad), sizeof(ad),
561 &ad, NULL);
562 if (error)
563 goto out1;
564 if (ad.ad_name[0] == 0)
565 break;
566 }
567
568 /* Alloc memory for attribute definitions */
569 MALLOC(ntmp->ntm_ad, struct ntvattrdef *,
570 num * sizeof(struct ntvattrdef),
571 M_NTFSMNT, M_WAITOK);
572
573 ntmp->ntm_adnum = num;
574
575 /* Read them and translate */
576 for(i=0;i<num;i++){
577 error = ntfs_readattr(ntmp, VTONT(vp),
578 NTFS_A_DATA, NULL,
579 i * sizeof(ad), sizeof(ad),
580 &ad, NULL);
581 if (error)
582 goto out1;
583 j = 0;
584 do {
585 ntmp->ntm_ad[i].ad_name[j] = ad.ad_name[j];
586 } while(ad.ad_name[j++]);
587 ntmp->ntm_ad[i].ad_namelen = j - 1;
588 ntmp->ntm_ad[i].ad_type = ad.ad_type;
589 }
590
591 vput(vp);
592 }
593
08c23b99 594#if defined(__DragonFly__)
984263bc
MD
595 mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);
596 mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
597#else
598 mp->mnt_stat.f_fsid.val[0] = dev;
599 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_NTFS);
600#endif
601 mp->mnt_maxsymlinklen = 0;
602 mp->mnt_flag |= MNT_LOCAL;
e4c9c0c8 603 dev->si_mountpoint = mp;
0961aa92 604
984263bc
MD
605 return (0);
606
607out1:
608 for(i=0;i<NTFS_SYSNODESNUM;i++)
609 if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
610
611 if (vflush(mp, 0, 0))
612 dprintf(("ntfs_mountfs: vflush failed\n"));
613
614out:
e4c9c0c8 615 dev->si_mountpoint = NULL;
984263bc
MD
616 if (bp)
617 brelse(bp);
618
619#if defined __NetBSD__
620 /* lock the device vnode before calling VOP_CLOSE() */
dadab5e9 621 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, td);
3b568787 622 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, td);
dadab5e9 623 VOP__UNLOCK(devvp, 0, td);
984263bc 624#else
3b568787 625 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, td);
984263bc
MD
626#endif
627
628 return (error);
629}
630
08c23b99 631#if !defined(__DragonFly__)
984263bc 632static int
cd0a65a2 633ntfs_start(struct mount *mp, int flags, struct thread *td)
984263bc
MD
634{
635 return (0);
636}
637#endif
638
639static int
cd0a65a2 640ntfs_unmount(struct mount *mp, int mntflags, struct thread *td)
984263bc 641{
34ee9825 642 struct ntfsmount *ntmp;
984263bc
MD
643 int error, ronly = 0, flags, i;
644
645 dprintf(("ntfs_unmount: unmounting...\n"));
646 ntmp = VFSTONTFS(mp);
647
648 flags = 0;
649 if(mntflags & MNT_FORCE)
650 flags |= FORCECLOSE;
651
652 dprintf(("ntfs_unmount: vflushing...\n"));
653 error = vflush(mp, 0, flags | SKIPSYSTEM);
654 if (error) {
655 printf("ntfs_unmount: vflush failed: %d\n",error);
656 return (error);
657 }
658
659 /* Check if only system vnodes are rest */
660 for(i=0;i<NTFS_SYSNODESNUM;i++)
661 if((ntmp->ntm_sysvn[i]) &&
662 (ntmp->ntm_sysvn[i]->v_usecount > 1)) return (EBUSY);
663
664 /* Dereference all system vnodes */
665 for(i=0;i<NTFS_SYSNODESNUM;i++)
666 if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
667
668 /* vflush system vnodes */
669 error = vflush(mp, 0, flags);
670 if (error)
671 printf("ntfs_unmount: vflush failed(sysnodes): %d\n",error);
672
673 /* Check if the type of device node isn't VBAD before
674 * touching v_specinfo. If the device vnode is revoked, the
675 * field is NULL and touching it causes null pointer derefercence.
676 */
677 if (ntmp->ntm_devvp->v_type != VBAD)
e4c9c0c8 678 ntmp->ntm_devvp->v_rdev->si_mountpoint = NULL;
984263bc 679
3b568787 680 vinvalbuf(ntmp->ntm_devvp, V_SAVE, td, 0, 0);
984263bc
MD
681
682#if defined(__NetBSD__)
683 /* lock the device vnode before calling VOP_CLOSE() */
684 VOP_LOCK(ntmp->ntm_devvp, LK_EXCLUSIVE | LK_RETRY);
3b568787 685 error = VOP_CLOSE(ntmp->ntm_devvp, ronly ? FREAD : FREAD|FWRITE, td);
dadab5e9 686 VOP__UNLOCK(ntmp->ntm_devvp, 0, td);
984263bc 687#else
3b568787 688 error = VOP_CLOSE(ntmp->ntm_devvp, ronly ? FREAD : FREAD|FWRITE, td);
984263bc
MD
689#endif
690
691 vrele(ntmp->ntm_devvp);
692
693 /* free the toupper table, if this has been last mounted ntfs volume */
694 ntfs_toupper_unuse();
695
696 dprintf(("ntfs_umount: freeing memory...\n"));
697 ntfs_u28_uninit(ntmp);
698 ntfs_82u_uninit(ntmp);
699 mp->mnt_data = (qaddr_t)0;
700 mp->mnt_flag &= ~MNT_LOCAL;
701 FREE(ntmp->ntm_ad, M_NTFSMNT);
702 FREE(ntmp, M_NTFSMNT);
703 return (error);
704}
705
706static int
cd0a65a2 707ntfs_root(struct mount *mp, struct vnode **vpp)
984263bc
MD
708{
709 struct vnode *nvp;
710 int error = 0;
711
712 dprintf(("ntfs_root(): sysvn: %p\n",
713 VFSTONTFS(mp)->ntm_sysvn[NTFS_ROOTINO]));
714 error = VFS_VGET(mp, (ino_t)NTFS_ROOTINO, &nvp);
715 if(error) {
716 printf("ntfs_root: VFS_VGET failed: %d\n",error);
717 return (error);
718 }
719
720 *vpp = nvp;
721 return (0);
722}
723
08c23b99 724#if !defined(__DragonFly__)
984263bc 725static int
cd0a65a2
CP
726ntfs_quotactl(struct mount *mp, int cmds, uid_t uid, caddr_t arg,
727 struct thread *td)
984263bc
MD
728{
729 printf("\nntfs_quotactl():\n");
730 return EOPNOTSUPP;
731}
732#endif
733
734int
cd0a65a2 735ntfs_calccfree(struct ntfsmount *ntmp, cn_t *cfreep)
984263bc
MD
736{
737 struct vnode *vp;
738 u_int8_t *tmp;
739 int j, error;
740 long cfree = 0;
741 size_t bmsize, i;
742
743 vp = ntmp->ntm_sysvn[NTFS_BITMAPINO];
744
745 bmsize = VTOF(vp)->f_size;
746
747 MALLOC(tmp, u_int8_t *, bmsize, M_TEMP, M_WAITOK);
748
749 error = ntfs_readattr(ntmp, VTONT(vp), NTFS_A_DATA, NULL,
750 0, bmsize, tmp, NULL);
751 if (error)
752 goto out;
753
754 for(i=0;i<bmsize;i++)
755 for(j=0;j<8;j++)
756 if(~tmp[i] & (1 << j)) cfree++;
757 *cfreep = cfree;
758
759 out:
760 FREE(tmp, M_TEMP);
761 return(error);
762}
763
764static int
cd0a65a2 765ntfs_statfs(struct mount *mp, struct statfs *sbp, struct thread *td)
984263bc
MD
766{
767 struct ntfsmount *ntmp = VFSTONTFS(mp);
768 u_int64_t mftsize,mftallocated;
769
770 dprintf(("ntfs_statfs():\n"));
771
772 mftsize = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_size;
773 mftallocated = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_allocated;
774
08c23b99 775#if defined(__DragonFly__)
984263bc
MD
776 sbp->f_type = mp->mnt_vfc->vfc_typenum;
777#elif defined(__NetBSD__)
778 sbp->f_type = 0;
779#else
780 sbp->f_type = MOUNT_NTFS;
781#endif
782 sbp->f_bsize = ntmp->ntm_bps;
783 sbp->f_iosize = ntmp->ntm_bps * ntmp->ntm_spc;
784 sbp->f_blocks = ntmp->ntm_bootfile.bf_spv;
785 sbp->f_bfree = sbp->f_bavail = ntfs_cntobn(ntmp->ntm_cfree);
786 sbp->f_ffree = sbp->f_bfree / ntmp->ntm_bpmftrec;
787 sbp->f_files = mftallocated / ntfs_bntob(ntmp->ntm_bpmftrec) +
788 sbp->f_ffree;
789 if (sbp != &mp->mnt_stat) {
790 bcopy((caddr_t)mp->mnt_stat.f_mntonname,
791 (caddr_t)&sbp->f_mntonname[0], MNAMELEN);
792 bcopy((caddr_t)mp->mnt_stat.f_mntfromname,
793 (caddr_t)&sbp->f_mntfromname[0], MNAMELEN);
794 }
795 sbp->f_flags = mp->mnt_flag;
796#ifdef __NetBSD__
797 strncpy(sbp->f_fstypename, mp->mnt_op->vfs_name, MFSNAMELEN);
798#endif
799
800 return (0);
801}
802
08c23b99 803#if !defined(__DragonFly__)
984263bc 804static int
cd0a65a2 805ntfs_sync(struct mount *mp, int waitfor, struct ucred *cred, struct thread *td)
984263bc
MD
806{
807 /*dprintf(("ntfs_sync():\n"));*/
808 return (0);
809}
810#endif
811
812/*ARGSUSED*/
813static int
cd0a65a2 814ntfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp)
984263bc
MD
815{
816 struct vnode *nvp;
817 struct ntfid *ntfhp = (struct ntfid *)fhp;
818 int error;
819
820 ddprintf(("ntfs_fhtovp(): %d\n", ntfhp->ntfid_ino));
821
822 if ((error = VFS_VGET(mp, ntfhp->ntfid_ino, &nvp)) != 0) {
823 *vpp = NULLVP;
824 return (error);
825 }
826 /* XXX as unlink/rmdir/mkdir/creat are not currently possible
827 * with NTFS, we don't need to check anything else for now */
828 *vpp = nvp;
829
830 return (0);
831}
832
833static int
cd0a65a2 834ntfs_vptofh(struct vnode *vp, struct fid *fhp)
984263bc 835{
34ee9825
RG
836 struct ntnode *ntp;
837 struct ntfid *ntfhp;
984263bc
MD
838
839 ddprintf(("ntfs_fhtovp(): %p\n", vp));
840
841 ntp = VTONT(vp);
842 ntfhp = (struct ntfid *)fhp;
843 ntfhp->ntfid_len = sizeof(struct ntfid);
844 ntfhp->ntfid_ino = ntp->i_number;
845 /* ntfhp->ntfid_gen = ntp->i_gen; */
846 return (0);
847}
848
849int
cd0a65a2
CP
850ntfs_vgetex(struct mount *mp, ino_t ino, u_int32_t attrtype, char *attrname,
851 u_long lkflags, u_long flags, struct thread *td,
852 struct vnode **vpp)
984263bc
MD
853{
854 int error;
34ee9825 855 struct ntfsmount *ntmp;
984263bc
MD
856 struct ntnode *ip;
857 struct fnode *fp;
858 struct vnode *vp;
859 enum vtype f_type;
860
861 dprintf(("ntfs_vgetex: ino: %d, attr: 0x%x:%s, lkf: 0x%lx, f: 0x%lx\n",
862 ino, attrtype, attrname?attrname:"", (u_long)lkflags,
863 (u_long)flags ));
864
865 ntmp = VFSTONTFS(mp);
866 *vpp = NULL;
867
868 /* Get ntnode */
869 error = ntfs_ntlookup(ntmp, ino, &ip);
870 if (error) {
871 printf("ntfs_vget: ntfs_ntget failed\n");
872 return (error);
873 }
874
875 /* It may be not initialized fully, so force load it */
876 if (!(flags & VG_DONTLOADIN) && !(ip->i_flag & IN_LOADED)) {
877 error = ntfs_loadntnode(ntmp, ip);
878 if(error) {
879 printf("ntfs_vget: CAN'T LOAD ATTRIBUTES FOR INO: %d\n",
880 ip->i_number);
881 ntfs_ntput(ip);
882 return (error);
883 }
884 }
885
886 error = ntfs_fget(ntmp, ip, attrtype, attrname, &fp);
887 if (error) {
888 printf("ntfs_vget: ntfs_fget failed\n");
889 ntfs_ntput(ip);
890 return (error);
891 }
892
893 f_type = VNON;
894 if (!(flags & VG_DONTVALIDFN) && !(fp->f_flag & FN_VALID)) {
895 if ((ip->i_frflag & NTFS_FRFLAG_DIR) &&
896 (fp->f_attrtype == NTFS_A_DATA && fp->f_attrname == NULL)) {
897 f_type = VDIR;
898 } else if (flags & VG_EXT) {
899 f_type = VNON;
900 fp->f_size = fp->f_allocated = 0;
901 } else {
902 f_type = VREG;
903
904 error = ntfs_filesize(ntmp, fp,
905 &fp->f_size, &fp->f_allocated);
906 if (error) {
907 ntfs_ntput(ip);
908 return (error);
909 }
910 }
911
912 fp->f_flag |= FN_VALID;
913 }
914
915 if (FTOV(fp)) {
dadab5e9 916 VGET(FTOV(fp), lkflags, td);
984263bc
MD
917 *vpp = FTOV(fp);
918 ntfs_ntput(ip);
919 return (0);
920 }
921
3446c007
MD
922 error = getnewvnode(VT_NTFS, ntmp->ntm_mountp,
923 ntmp->ntm_mountp->mnt_vn_ops, &vp,
924 VLKTIMEOUT, 0);
984263bc
MD
925 if(error) {
926 ntfs_frele(fp);
927 ntfs_ntput(ip);
928 return (error);
929 }
930 dprintf(("ntfs_vget: vnode: %p for ntnode: %d\n", vp,ino));
931
984263bc
MD
932 fp->f_vp = vp;
933 vp->v_data = fp;
934 vp->v_type = f_type;
935
936 if (ino == NTFS_ROOTINO)
937 vp->v_flag |= VROOT;
938
939 ntfs_ntput(ip);
940
5fd012e0
MD
941 KKASSERT(lkflags & LK_TYPE_MASK);
942 KKASSERT((lkflags & LK_INTERLOCK) == 0);
943 /* XXX leave vnode locked exclusively from getnewvnode */
984263bc
MD
944 *vpp = vp;
945 return (0);
946
947}
948
949static int
cd0a65a2 950ntfs_vget(struct mount *mp, ino_t ino, struct vnode **vpp)
984263bc
MD
951{
952 return ntfs_vgetex(mp, ino, NTFS_A_DATA, NULL,
dadab5e9 953 LK_EXCLUSIVE | LK_RETRY, 0, curthread, vpp);
984263bc
MD
954}
955
08c23b99 956#if defined(__DragonFly__)
984263bc
MD
957static struct vfsops ntfs_vfsops = {
958 ntfs_mount,
959 vfs_stdstart,
960 ntfs_unmount,
961 ntfs_root,
962 vfs_stdquotactl,
963 ntfs_statfs,
964 vfs_stdsync,
965 ntfs_vget,
966 ntfs_fhtovp,
967 ntfs_checkexp,
968 ntfs_vptofh,
969 ntfs_init,
6baa4fd6 970 ntfs_nthash_uninit, /* see ntfs_ihash.c */
984263bc
MD
971 vfs_stdextattrctl,
972};
973VFS_SET(ntfs_vfsops, ntfs, 0);
974#elif defined(__NetBSD__)
975extern struct vnodeopv_desc ntfs_vnodeop_opv_desc;
976
977struct vnodeopv_desc *ntfs_vnodeopv_descs[] = {
978 &ntfs_vnodeop_opv_desc,
979 NULL,
980};
981
982struct vfsops ntfs_vfsops = {
983 MOUNT_NTFS,
984 ntfs_mount,
985 ntfs_start,
986 ntfs_unmount,
987 ntfs_root,
988 ntfs_quotactl,
989 ntfs_statfs,
990 ntfs_sync,
991 ntfs_vget,
992 ntfs_fhtovp,
993 ntfs_vptofh,
994 ntfs_init,
995 ntfs_sysctl,
996 ntfs_mountroot,
997 ntfs_checkexp,
998 ntfs_vnodeopv_descs,
999};
1000#else /* !NetBSD && !FreeBSD */
1001static struct vfsops ntfs_vfsops = {
1002 ntfs_mount,
1003 ntfs_start,
1004 ntfs_unmount,
1005 ntfs_root,
1006 ntfs_quotactl,
1007 ntfs_statfs,
1008 ntfs_sync,
1009 ntfs_vget,
1010 ntfs_fhtovp,
1011 ntfs_vptofh,
1012 ntfs_init,
1013};
1014VFS_SET(ntfs_vfsops, ntfs, MOUNT_NTFS, 0);
1015#endif
1016
1017