1 /* $NetBSD: ntfs_vfsops.c,v 1.23 1999/11/15 19:38:14 jdolecek Exp $ */
4 * Copyright (c) 1998, 1999 Semen Ustimenko
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
28 * $FreeBSD: src/sys/ntfs/ntfs_vfsops.c,v 1.20.2.5 2001/12/25 01:44:45 dillon Exp $
29 * $DragonFly: src/sys/vfs/ntfs/ntfs_vfsops.c,v 1.48 2008/09/17 21:44:25 dillon Exp $
33 #include <sys/param.h>
34 #include <sys/systm.h>
37 #include <sys/nlookup.h>
38 #include <sys/kernel.h>
39 #include <sys/vnode.h>
40 #include <sys/mount.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>
49 #include <machine/inttypes.h>
52 #include <vm/vm_param.h>
53 #if defined(__NetBSD__)
54 #include <vm/vm_prot.h>
56 #include <vm/vm_page.h>
57 #include <vm/vm_object.h>
58 #include <vm/vm_extern.h>
59 #include <vm/vm_zone.h>
61 #if defined(__NetBSD__)
62 #include <miscfs/specfs/specdev.h>
65 /*#define NTFS_DEBUG 1*/
67 #include "ntfs_inode.h"
68 #include "ntfs_subr.h"
69 #include "ntfs_vfsops.h"
70 #include "ntfs_ihash.h"
71 #include "ntfsmount.h"
73 extern struct vop_ops ntfs_vnode_vops;
75 #if defined(__DragonFly__)
76 MALLOC_DEFINE(M_NTFSMNT, "NTFS mount", "NTFS mount structure");
77 MALLOC_DEFINE(M_NTFSNTNODE,"NTFS ntnode", "NTFS ntnode information");
78 MALLOC_DEFINE(M_NTFSFNODE,"NTFS fnode", "NTFS fnode information");
79 MALLOC_DEFINE(M_NTFSDIR,"NTFS dir", "NTFS dir buffer");
82 static int ntfs_root (struct mount *, struct vnode **);
83 static int ntfs_statfs (struct mount *, struct statfs *, struct ucred *cred);
84 static int ntfs_unmount (struct mount *, int);
85 static int ntfs_vget (struct mount *mp, ino_t ino, struct vnode **vpp);
86 static int ntfs_mountfs (struct vnode *, struct mount *,
87 struct ntfs_args *, struct ucred *);
88 static int ntfs_vptofh (struct vnode *, struct fid *);
89 static int ntfs_fhtovp (struct mount *, struct vnode *rootvp,
90 struct fid *, struct vnode **);
92 #if !defined (__DragonFly__)
93 static int ntfs_quotactl (struct mount *, int, uid_t, caddr_t,
95 static int ntfs_start (struct mount *, int, struct thread *);
96 static int ntfs_sync (struct mount *, int, struct ucred *,
100 #if defined(__DragonFly__)
102 static int ntfs_mount (struct mount *, char *, caddr_t, struct ucred *);
103 static int ntfs_init (struct vfsconf *);
104 static int ntfs_checkexp (struct mount *, struct sockaddr *,
105 int *, struct ucred **);
106 #elif defined(__NetBSD__)
107 static int ntfs_mount (struct mount *, const char *, void *,
108 struct nameidata *, struct thread *);
109 static void ntfs_init (void);
110 static int ntfs_mountroot (void);
111 static int ntfs_sysctl (int *, u_int, void *, size_t *, void *,
112 size_t, struct thread *);
113 static int ntfs_checkexp (struct mount *, struct mbuf *,
114 int *, struct ucred **);
118 * Verify a remote client has export rights and return these rights via.
119 * exflagsp and credanonp.
122 ntfs_checkexp(struct mount *mp,
123 #if defined(__DragonFly__)
124 struct sockaddr *nam,
125 #else /* defined(__NetBSD__) */
128 int *exflagsp, struct ucred **credanonp)
131 struct ntfsmount *ntm = VFSTONTFS(mp);
134 * Get the export permission structure for this <mp, client> tuple.
136 np = vfs_export_lookup(mp, &ntm->ntm_export, nam);
140 *exflagsp = np->netc_exflags;
141 *credanonp = &np->netc_anon;
145 #if defined(__NetBSD__)
148 ntfs_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
149 size_t newlen, struct thread *td)
158 struct vnode *rootvp;
159 struct thread *td = curthread; /* XXX */
160 struct ntfs_args args;
164 if (root_device->dv_class != DV_DISK)
168 * Get vnodes for rootdev.
170 if (bdevvp(rootdev, &rootvp))
171 panic("ntfs_mountroot: can't setup rootvp");
173 if ((error = vfs_rootmountalloc(MOUNT_NTFS, "root_device", &mp))) {
183 if ((error = ntfs_mountfs(rootvp, mp, &args, proc0.p_ucred)) != 0) {
184 mp->mnt_op->vfs_refcount--;
190 mountlist_insert(mp, MNTINS_LAST);
191 (void)ntfs_statfs(mp, &mp->mnt_stat, proc0.p_ucred);
203 #elif defined(__DragonFly__)
206 ntfs_init(struct vfsconf *vcp)
216 ntfs_mount(struct mount *mp, char *path, caddr_t data, struct ucred *cred)
221 struct ntfs_args args;
222 struct nlookupdata nd;
223 struct vnode *rootvp;
228 * Use NULL path to flag a root mount
233 * Mounting root file system
237 /* Get vnode for root device*/
238 if( bdevvp( rootdev, &rootvp))
239 panic("ffs_mountroot: can't setup bdevvp for root");
242 * FS specific handling
244 mp->mnt_flag |= MNT_RDONLY; /* XXX globally applicable?*/
249 if( ( error = ntfs_mountfs(rootvp, mp, &args, cred)) != 0) {
250 /* fs specific cleanup (if any)*/
254 goto dostatfs; /* success*/
261 * Mounting non-root file system or updating a file system
265 /* copy in user arguments*/
266 error = copyin(data, (caddr_t)&args, sizeof (struct ntfs_args));
268 goto error_1; /* can't get arguments*/
271 * If updating, check whether changing from read-only to
272 * read/write; if there is no device name, that's all we do.
274 if (mp->mnt_flag & MNT_UPDATE) {
275 /* if not updating name...*/
276 if (args.fspec == 0) {
278 * Process export requests. Jumping to "success"
279 * will return the vfs_export() error code.
281 struct ntfsmount *ntm = VFSTONTFS(mp);
282 error = vfs_export(mp, &ntm->ntm_export, &args.export);
286 kprintf("ntfs_mount(): MNT_UPDATE not supported\n");
292 * Not an update, or updating the name: look up the name
293 * and verify that it refers to a sensible block device.
296 error = nlookup_init(&nd, args.fspec, UIO_USERSPACE, NLC_FOLLOW);
298 error = nlookup(&nd);
300 error = cache_vref(&nd.nl_nch, nd.nl_cred, &devvp);
305 #if defined(__DragonFly__)
306 if (!vn_isdisk(devvp, &error))
309 if (devvp->v_type != VBLK) {
313 if (devvp->v_umajor >= nblkdev) {
318 if (mp->mnt_flag & MNT_UPDATE) {
326 if (devvp != ntmp->um_devvp)
327 error = EINVAL; /* needs translation */
331 * Update device name only on success
334 /* Save "mounted from" info for mount point (NULL pad)*/
335 copyinstr( args.fspec,
336 mp->mnt_stat.f_mntfromname,
339 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
349 /* Save "mounted from" info for mount point (NULL pad)*/
350 copyinstr( args.fspec, /* device name*/
351 mp->mnt_stat.f_mntfromname, /* save area*/
352 MNAMELEN - 1, /* max size*/
353 &size); /* real size*/
354 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
356 error = ntfs_mountfs(devvp, mp, &args, cred);
366 * Initialize FS stat information in mount struct; uses
367 * mp->mnt_stat.f_mntfromname.
369 * This code is common to root and non-root mounts
371 (void)VFS_STATFS(mp, &mp->mnt_stat, cred);
376 error_2: /* error with devvp held*/
378 /* release devvp before failing*/
381 error_1: /* no state to back out*/
388 * Common code for mount and mountroot
391 ntfs_mountfs(struct vnode *devvp, struct mount *mp, struct ntfs_args *argsp,
395 struct ntfsmount *ntmp;
397 int error, ronly, ncount, i;
401 * Disallow multiple mounts of the same device.
402 * Disallow mounting of a device that is currently in use
403 * (except for root, which might share swap device for miniroot).
404 * Flush out any old buffers remaining from a previous use.
406 error = vfs_mountedon(devvp);
409 ncount = count_udev(devvp->v_umajor, devvp->v_uminor);
410 #if defined(__DragonFly__)
416 #if defined(__DragonFly__)
417 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY);
418 error = vinvalbuf(devvp, V_SAVE, 0, 0);
419 VOP__UNLOCK(devvp, 0);
421 error = vinvalbuf(devvp, V_SAVE, 0, 0);
426 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
427 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY);
428 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, NULL);
429 VOP__UNLOCK(devvp, 0);
436 error = bread(devvp, ntfs_bntodoff(BBLOCK), BBSIZE, &bp);
439 ntmp = kmalloc(sizeof *ntmp, M_NTFSMNT, M_WAITOK | M_ZERO);
440 bcopy( bp->b_data, &ntmp->ntm_bootfile, sizeof(struct bootfile) );
444 if (strncmp(ntmp->ntm_bootfile.bf_sysid, NTFS_BBID, NTFS_BBIDLEN)) {
446 dprintf(("ntfs_mountfs: invalid boot block\n"));
451 int8_t cpr = ntmp->ntm_mftrecsz;
453 ntmp->ntm_bpmftrec = ntmp->ntm_spc * cpr;
455 ntmp->ntm_bpmftrec = (1 << (-cpr)) / ntmp->ntm_bps;
457 dprintf(("ntfs_mountfs(): bps: %d, spc: %d, media: %x, mftrecsz: %d (%d sects)\n",
458 ntmp->ntm_bps,ntmp->ntm_spc,ntmp->ntm_bootfile.bf_media,
459 ntmp->ntm_mftrecsz,ntmp->ntm_bpmftrec));
460 dprintf(("ntfs_mountfs(): mftcn: 0x%x|0x%x\n",
461 (u_int32_t)ntmp->ntm_mftcn,(u_int32_t)ntmp->ntm_mftmirrcn));
463 ntmp->ntm_mountp = mp;
465 ntmp->ntm_devvp = devvp;
466 ntmp->ntm_uid = argsp->uid;
467 ntmp->ntm_gid = argsp->gid;
468 ntmp->ntm_mode = argsp->mode;
469 ntmp->ntm_flag = argsp->flag;
471 /* Copy in the 8-bit to Unicode conversion table */
472 if (argsp->flag & NTFSMNT_U2WTABLE) {
473 ntfs_82u_init(ntmp, argsp->u2w);
475 ntfs_82u_init(ntmp, NULL);
478 /* Initialize Unicode to 8-bit table from 8toU table */
479 ntfs_u28_init(ntmp, ntmp->ntm_82u);
481 mp->mnt_data = (qaddr_t)ntmp;
483 dprintf(("ntfs_mountfs(): case-%s,%s uid: %d, gid: %d, mode: %o\n",
484 (ntmp->ntm_flag & NTFS_MFLAG_CASEINS)?"insens.":"sens.",
485 (ntmp->ntm_flag & NTFS_MFLAG_ALLNAMES)?" allnames,":"",
486 ntmp->ntm_uid, ntmp->ntm_gid, ntmp->ntm_mode));
488 vfs_add_vnodeops(mp, &ntfs_vnode_vops, &mp->mnt_vn_norm_ops);
491 * We read in some system nodes to do not allow
492 * reclaim them and to have everytime access to them.
495 int pi[3] = { NTFS_MFTINO, NTFS_ROOTINO, NTFS_BITMAPINO };
496 for (i=0; i<3; i++) {
497 error = VFS_VGET(mp, pi[i], &(ntmp->ntm_sysvn[pi[i]]));
500 ntmp->ntm_sysvn[pi[i]]->v_flag |= VSYSTEM;
501 vref(ntmp->ntm_sysvn[pi[i]]);
502 vput(ntmp->ntm_sysvn[pi[i]]);
506 /* read the Unicode lowercase --> uppercase translation table,
508 if ((error = ntfs_toupper_use(mp, ntmp)))
512 * Scan $BitMap and count free clusters
514 error = ntfs_calccfree(ntmp, &ntmp->ntm_cfree);
519 * Read and translate to internal format attribute
527 error = VFS_VGET(mp, NTFS_ATTRDEFINO, &vp);
531 /* Count valid entries */
533 error = ntfs_readattr(ntmp, VTONT(vp),
535 num * sizeof(ad), sizeof(ad),
539 if (ad.ad_name[0] == 0)
543 /* Alloc memory for attribute definitions */
544 MALLOC(ntmp->ntm_ad, struct ntvattrdef *,
545 num * sizeof(struct ntvattrdef),
546 M_NTFSMNT, M_WAITOK);
548 ntmp->ntm_adnum = num;
550 /* Read them and translate */
552 error = ntfs_readattr(ntmp, VTONT(vp),
554 i * sizeof(ad), sizeof(ad),
560 ntmp->ntm_ad[i].ad_name[j] = ad.ad_name[j];
561 } while(ad.ad_name[j++]);
562 ntmp->ntm_ad[i].ad_namelen = j - 1;
563 ntmp->ntm_ad[i].ad_type = ad.ad_type;
569 #if defined(__DragonFly__)
570 mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);
571 mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
573 mp->mnt_stat.f_fsid.val[0] = dev;
574 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_NTFS);
576 mp->mnt_maxsymlinklen = 0;
577 mp->mnt_flag |= MNT_LOCAL;
578 dev->si_mountpoint = mp;
583 for(i=0;i<NTFS_SYSNODESNUM;i++)
584 if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
586 if (vflush(mp, 0, 0))
587 dprintf(("ntfs_mountfs: vflush failed\n"));
590 dev->si_mountpoint = NULL;
594 #if defined __NetBSD__
595 /* lock the device vnode before calling VOP_CLOSE() */
596 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY);
597 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE);
598 VOP__UNLOCK(devvp, 0);
600 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE);
606 #if !defined(__DragonFly__)
608 ntfs_start(struct mount *mp, int flags, struct thread *td)
615 ntfs_unmount(struct mount *mp, int mntflags)
617 struct ntfsmount *ntmp;
618 int error, ronly, flags, i;
620 dprintf(("ntfs_unmount: unmounting...\n"));
621 ntmp = VFSTONTFS(mp);
623 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
625 if(mntflags & MNT_FORCE)
628 dprintf(("ntfs_unmount: vflushing...\n"));
629 error = vflush(mp, 0, flags | SKIPSYSTEM);
631 kprintf("ntfs_unmount: vflush failed: %d\n",error);
635 /* Check if only system vnodes are rest */
636 for(i=0;i<NTFS_SYSNODESNUM;i++)
637 if((ntmp->ntm_sysvn[i]) &&
638 (ntmp->ntm_sysvn[i]->v_sysref.refcnt > 1)) return (EBUSY);
640 /* Dereference all system vnodes */
641 for(i=0;i<NTFS_SYSNODESNUM;i++)
642 if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
644 /* vflush system vnodes */
645 error = vflush(mp, 0, flags);
647 kprintf("ntfs_unmount: vflush failed(sysnodes): %d\n",error);
649 /* Check if the type of device node isn't VBAD before
650 * touching v_cdevinfo. If the device vnode is revoked, the
651 * field is NULL and touching it causes null pointer derefercence.
653 if (ntmp->ntm_devvp->v_type != VBAD)
654 ntmp->ntm_devvp->v_rdev->si_mountpoint = NULL;
656 vinvalbuf(ntmp->ntm_devvp, V_SAVE, 0, 0);
658 error = VOP_CLOSE(ntmp->ntm_devvp, ronly ? FREAD : FREAD|FWRITE);
660 vrele(ntmp->ntm_devvp);
662 /* free the toupper table, if this has been last mounted ntfs volume */
663 ntfs_toupper_unuse();
665 dprintf(("ntfs_umount: freeing memory...\n"));
666 ntfs_u28_uninit(ntmp);
667 ntfs_82u_uninit(ntmp);
668 mp->mnt_data = (qaddr_t)0;
669 mp->mnt_flag &= ~MNT_LOCAL;
670 FREE(ntmp->ntm_ad, M_NTFSMNT);
671 FREE(ntmp, M_NTFSMNT);
676 ntfs_root(struct mount *mp, struct vnode **vpp)
681 dprintf(("ntfs_root(): sysvn: %p\n",
682 VFSTONTFS(mp)->ntm_sysvn[NTFS_ROOTINO]));
683 error = VFS_VGET(mp, (ino_t)NTFS_ROOTINO, &nvp);
685 kprintf("ntfs_root: VFS_VGET failed: %d\n",error);
693 #if !defined(__DragonFly__)
695 ntfs_quotactl(struct mount *mp, int cmds, uid_t uid, caddr_t arg,
698 kprintf("\nntfs_quotactl():\n");
704 ntfs_calccfree(struct ntfsmount *ntmp, cn_t *cfreep)
712 vp = ntmp->ntm_sysvn[NTFS_BITMAPINO];
714 bmsize = VTOF(vp)->f_size;
716 MALLOC(tmp, u_int8_t *, bmsize, M_TEMP, M_WAITOK);
718 error = ntfs_readattr(ntmp, VTONT(vp), NTFS_A_DATA, NULL,
719 0, bmsize, tmp, NULL);
723 for(i=0;i<bmsize;i++)
725 if(~tmp[i] & (1 << j)) cfree++;
734 ntfs_statfs(struct mount *mp, struct statfs *sbp, struct ucred *cred)
736 struct ntfsmount *ntmp = VFSTONTFS(mp);
737 u_int64_t mftsize,mftallocated;
739 dprintf(("ntfs_statfs():\n"));
741 mftsize = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_size;
742 mftallocated = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_allocated;
744 #if defined(__DragonFly__)
745 sbp->f_type = mp->mnt_vfc->vfc_typenum;
746 #elif defined(__NetBSD__)
749 sbp->f_type = MOUNT_NTFS;
751 sbp->f_bsize = ntmp->ntm_bps;
752 sbp->f_iosize = ntmp->ntm_bps * ntmp->ntm_spc;
753 sbp->f_blocks = ntmp->ntm_bootfile.bf_spv;
754 sbp->f_bfree = sbp->f_bavail = ntfs_cntobn(ntmp->ntm_cfree);
755 sbp->f_ffree = sbp->f_bfree / ntmp->ntm_bpmftrec;
756 sbp->f_files = mftallocated / ntfs_bntob(ntmp->ntm_bpmftrec) +
758 if (sbp != &mp->mnt_stat) {
759 bcopy((caddr_t)mp->mnt_stat.f_mntfromname,
760 (caddr_t)&sbp->f_mntfromname[0], MNAMELEN);
762 sbp->f_flags = mp->mnt_flag;
764 strncpy(sbp->f_fstypename, mp->mnt_op->vfs_name, MFSNAMELEN);
770 #if !defined(__DragonFly__)
772 ntfs_sync(struct mount *mp, int waitfor, struct ucred *cred, struct thread *td)
774 /*dprintf(("ntfs_sync():\n"));*/
781 ntfs_fhtovp(struct mount *mp, struct vnode *rootvp,
782 struct fid *fhp, struct vnode **vpp)
785 struct ntfid *ntfhp = (struct ntfid *)fhp;
788 ddprintf(("ntfs_fhtovp(): %d\n", ntfhp->ntfid_ino));
790 if ((error = VFS_VGET(mp, ntfhp->ntfid_ino, &nvp)) != 0) {
794 /* XXX as unlink/rmdir/mkdir/creat are not currently possible
795 * with NTFS, we don't need to check anything else for now */
802 ntfs_vptofh(struct vnode *vp, struct fid *fhp)
807 ddprintf(("ntfs_fhtovp(): %p\n", vp));
810 ntfhp = (struct ntfid *)fhp;
811 ntfhp->ntfid_len = sizeof(struct ntfid);
812 ntfhp->ntfid_ino = ntp->i_number;
813 /* ntfhp->ntfid_gen = ntp->i_gen; */
818 ntfs_vgetex(struct mount *mp, ino_t ino, u_int32_t attrtype, char *attrname,
819 u_long lkflags, u_long flags, struct thread *td,
823 struct ntfsmount *ntmp;
829 dprintf(("ntfs_vgetex: ino: %d, attr: 0x%x:%s, lkf: 0x%lx, f: 0x%lx\n",
830 ino, attrtype, attrname?attrname:"", (u_long)lkflags,
833 ntmp = VFSTONTFS(mp);
837 error = ntfs_ntlookup(ntmp, ino, &ip);
839 kprintf("ntfs_vget: ntfs_ntget failed\n");
843 /* It may be not initialized fully, so force load it */
844 if (!(flags & VG_DONTLOADIN) && !(ip->i_flag & IN_LOADED)) {
845 error = ntfs_loadntnode(ntmp, ip);
847 kprintf("ntfs_vget: CAN'T LOAD ATTRIBUTES FOR INO: %"PRId64"\n",
854 error = ntfs_fget(ntmp, ip, attrtype, attrname, &fp);
856 kprintf("ntfs_vget: ntfs_fget failed\n");
862 if (!(flags & VG_DONTVALIDFN) && !(fp->f_flag & FN_VALID)) {
863 if ((ip->i_frflag & NTFS_FRFLAG_DIR) &&
864 (fp->f_attrtype == NTFS_A_DATA && fp->f_attrname == NULL)) {
866 } else if (flags & VG_EXT) {
868 fp->f_size = fp->f_allocated = 0;
872 error = ntfs_filesize(ntmp, fp,
873 &fp->f_size, &fp->f_allocated);
880 fp->f_flag |= FN_VALID;
884 VGET(FTOV(fp), lkflags);
890 error = getnewvnode(VT_NTFS, ntmp->ntm_mountp, &vp, VLKTIMEOUT, 0);
896 dprintf(("ntfs_vget: vnode: %p for ntnode: %d\n", vp,ino));
902 if (ino == NTFS_ROOTINO)
906 * Normal files use the buffer cache
909 vinitvmio(vp, fp->f_size);
913 KKASSERT(lkflags & LK_TYPE_MASK);
914 /* XXX leave vnode locked exclusively from getnewvnode */
921 ntfs_vget(struct mount *mp, ino_t ino, struct vnode **vpp)
923 return ntfs_vgetex(mp, ino, NTFS_A_DATA, NULL,
924 LK_EXCLUSIVE | LK_RETRY, 0, curthread, vpp);
927 #if defined(__DragonFly__)
928 static struct vfsops ntfs_vfsops = {
929 .vfs_mount = ntfs_mount,
930 .vfs_unmount = ntfs_unmount,
931 .vfs_root = ntfs_root,
932 .vfs_statfs = ntfs_statfs,
933 .vfs_sync = vfs_stdsync,
934 .vfs_vget = ntfs_vget,
935 .vfs_fhtovp = ntfs_fhtovp,
936 .vfs_checkexp = ntfs_checkexp,
937 .vfs_vptofh = ntfs_vptofh,
938 .vfs_init = ntfs_init,
939 .vfs_uninit = ntfs_nthash_uninit /* see ntfs_ihash.c */
941 VFS_SET(ntfs_vfsops, ntfs, 0);
942 #elif defined(__NetBSD__)
943 extern struct vnodeopv_desc ntfs_vnodeop_opv_desc;
945 struct vnodeopv_desc *ntfs_vnodeopv_descs[] = {
946 &ntfs_vnodeop_opv_desc,
950 struct vfsops ntfs_vfsops = {
968 #else /* !NetBSD && !FreeBSD */
969 static struct vfsops ntfs_vfsops = {
982 VFS_SET(ntfs_vfsops, ntfs, MOUNT_NTFS, 0);