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 $
32 #include <sys/param.h>
33 #include <sys/systm.h>
36 #include <sys/nlookup.h>
37 #include <sys/kernel.h>
38 #include <sys/vnode.h>
39 #include <sys/mount.h>
41 #include <sys/fcntl.h>
42 #include <sys/malloc.h>
43 #include <sys/systm.h>
44 #if defined(__NetBSD__)
45 #include <sys/device.h>
48 #include <machine/inttypes.h>
51 #include <vm/vm_param.h>
52 #if defined(__NetBSD__)
53 #include <vm/vm_prot.h>
55 #include <vm/vm_page.h>
56 #include <vm/vm_object.h>
57 #include <vm/vm_extern.h>
58 #include <vm/vm_zone.h>
60 #if defined(__NetBSD__)
61 #include <miscfs/specfs/specdev.h>
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 struct iconv_functions *ntfs_iconv = NULL;
84 static int ntfs_root (struct mount *, struct vnode **);
85 static int ntfs_statfs (struct mount *, struct statfs *,
87 static int ntfs_statvfs (struct mount *, struct statvfs *,
89 static int ntfs_unmount (struct mount *, int);
90 static int ntfs_vget (struct mount *mp, struct vnode *dvp,
91 ino_t ino, struct vnode **vpp);
92 static int ntfs_mountfs (struct vnode *, struct mount *,
93 struct ntfs_args *, struct ucred *);
94 static int ntfs_vptofh (struct vnode *, struct fid *);
95 static int ntfs_fhtovp (struct mount *, struct vnode *rootvp,
96 struct fid *, struct vnode **);
98 #if !defined (__DragonFly__)
99 static int ntfs_quotactl (struct mount *, int, uid_t, caddr_t,
101 static int ntfs_start (struct mount *, int, struct thread *);
102 static int ntfs_sync (struct mount *, int, struct ucred *,
106 #if defined(__DragonFly__)
108 static int ntfs_mount (struct mount *, char *, caddr_t, struct ucred *);
109 static int ntfs_init (struct vfsconf *);
110 static int ntfs_checkexp (struct mount *, struct sockaddr *,
111 int *, struct ucred **);
112 #elif defined(__NetBSD__)
113 static int ntfs_mount (struct mount *, const char *, void *,
114 struct nameidata *, struct thread *);
115 static void ntfs_init (void);
116 static int ntfs_mountroot (void);
117 static int ntfs_sysctl (int *, u_int, void *, size_t *, void *,
118 size_t, struct thread *);
119 static int ntfs_checkexp (struct mount *, struct mbuf *,
120 int *, struct ucred **);
124 * Verify a remote client has export rights and return these rights via.
125 * exflagsp and credanonp.
128 ntfs_checkexp(struct mount *mp,
129 #if defined(__DragonFly__)
130 struct sockaddr *nam,
131 #else /* defined(__NetBSD__) */
134 int *exflagsp, struct ucred **credanonp)
137 struct ntfsmount *ntm = VFSTONTFS(mp);
140 * Get the export permission structure for this <mp, client> tuple.
142 np = vfs_export_lookup(mp, &ntm->ntm_export, nam);
146 *exflagsp = np->netc_exflags;
147 *credanonp = &np->netc_anon;
151 #if defined(__NetBSD__)
154 ntfs_sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp, void *newp,
155 size_t newlen, struct thread *td)
164 struct vnode *rootvp;
165 struct thread *td = curthread; /* XXX */
166 struct ntfs_args args;
169 if (root_device->dv_class != DV_DISK)
173 * Get vnodes for rootdev.
175 if (bdevvp(rootdev, &rootvp))
176 panic("ntfs_mountroot: can't setup rootvp");
178 if ((error = vfs_rootmountalloc(MOUNT_NTFS, "root_device", &mp))) {
188 if ((error = ntfs_mountfs(rootvp, mp, &args, proc0.p_ucred)) != 0) {
189 mp->mnt_op->vfs_refcount--;
195 mountlist_insert(mp, MNTINS_LAST);
196 (void)ntfs_statfs(mp, &mp->mnt_stat, proc0.p_ucred);
208 #elif defined(__DragonFly__)
211 ntfs_init(struct vfsconf *vcp)
221 ntfs_mount(struct mount *mp, char *path, caddr_t data, struct ucred *cred)
226 struct ntfs_args args;
227 struct nlookupdata nd;
228 struct vnode *rootvp;
233 * Use NULL path to flag a root mount
238 * Mounting root file system
242 /* Get vnode for root device*/
243 if( bdevvp( rootdev, &rootvp))
244 panic("ffs_mountroot: can't setup bdevvp for root");
247 * FS specific handling
249 mp->mnt_flag |= MNT_RDONLY; /* XXX globally applicable?*/
254 if( ( error = ntfs_mountfs(rootvp, mp, &args, cred)) != 0) {
255 /* fs specific cleanup (if any)*/
259 goto dostatfs; /* success*/
266 * Mounting non-root file system or updating a file system
270 /* copy in user arguments*/
271 error = copyin(data, (caddr_t)&args, sizeof (struct ntfs_args));
273 goto error_1; /* can't get arguments*/
276 * If updating, check whether changing from read-only to
277 * read/write; if there is no device name, that's all we do.
279 if (mp->mnt_flag & MNT_UPDATE) {
280 /* if not updating name...*/
281 if (args.fspec == NULL) {
283 * Process export requests. Jumping to "success"
284 * will return the vfs_export() error code.
286 struct ntfsmount *ntm = VFSTONTFS(mp);
287 error = vfs_export(mp, &ntm->ntm_export, &args.export);
291 kprintf("ntfs_mount(): MNT_UPDATE not supported\n");
297 * Not an update, or updating the name: look up the name
298 * and verify that it refers to a sensible block device.
301 error = nlookup_init(&nd, args.fspec, UIO_USERSPACE, NLC_FOLLOW);
303 error = nlookup(&nd);
305 error = cache_vref(&nd.nl_nch, nd.nl_cred, &devvp);
310 #if defined(__DragonFly__)
311 if (!vn_isdisk(devvp, &error))
314 if (devvp->v_type != VBLK) {
318 if (devvp->v_umajor >= nblkdev) {
323 if (mp->mnt_flag & MNT_UPDATE) {
331 if (devvp != ntmp->um_devvp)
332 error = EINVAL; /* needs translation */
336 * Update device name only on success
339 /* Save "mounted from" info for mount point (NULL pad)*/
340 copyinstr( args.fspec,
341 mp->mnt_stat.f_mntfromname,
344 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
354 /* Save "mounted from" info for mount point (NULL pad)*/
355 copyinstr( args.fspec, /* device name*/
356 mp->mnt_stat.f_mntfromname, /* save area*/
357 MNAMELEN - 1, /* max size*/
358 &size); /* real size*/
359 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size);
361 error = ntfs_mountfs(devvp, mp, &args, cred);
371 * Initialize FS stat information in mount struct; uses
372 * mp->mnt_stat.f_mntfromname.
374 * This code is common to root and non-root mounts
376 (void)VFS_STATFS(mp, &mp->mnt_stat, cred);
381 error_2: /* error with devvp held*/
383 /* release devvp before failing*/
386 error_1: /* no state to back out*/
393 * Common code for mount and mountroot
396 ntfs_mountfs(struct vnode *devvp, struct mount *mp, struct ntfs_args *argsp,
400 struct ntfsmount *ntmp;
402 int error, ronly, ncount, i;
404 char cs_local[ICONV_CSNMAXLEN];
405 char cs_ntfs[ICONV_CSNMAXLEN];
408 * Disallow multiple mounts of the same device.
409 * Disallow mounting of a device that is currently in use
410 * (except for root, which might share swap device for miniroot).
411 * Flush out any old buffers remaining from a previous use.
413 error = vfs_mountedon(devvp);
416 ncount = vcount(devvp);
417 #if defined(__DragonFly__)
423 #if defined(__DragonFly__)
424 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY);
425 error = vinvalbuf(devvp, V_SAVE, 0, 0);
426 VOP__UNLOCK(devvp, 0);
428 error = vinvalbuf(devvp, V_SAVE, 0, 0);
433 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
434 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY);
435 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, NULL);
436 VOP__UNLOCK(devvp, 0);
443 error = bread(devvp, BBLOCK, BBSIZE, &bp);
446 ntmp = kmalloc(sizeof *ntmp, M_NTFSMNT, M_WAITOK | M_ZERO);
447 bcopy( bp->b_data, &ntmp->ntm_bootfile, sizeof(struct bootfile) );
451 if (strncmp(ntmp->ntm_bootfile.bf_sysid, NTFS_BBID, NTFS_BBIDLEN)) {
453 dprintf(("ntfs_mountfs: invalid boot block\n"));
458 int8_t cpr = ntmp->ntm_mftrecsz;
460 ntmp->ntm_bpmftrec = ntmp->ntm_spc * cpr;
462 ntmp->ntm_bpmftrec = (1 << (-cpr)) / ntmp->ntm_bps;
464 dprintf(("ntfs_mountfs(): bps: %d, spc: %d, media: %x, mftrecsz: %d (%d sects)\n",
465 ntmp->ntm_bps,ntmp->ntm_spc,ntmp->ntm_bootfile.bf_media,
466 ntmp->ntm_mftrecsz,ntmp->ntm_bpmftrec));
467 dprintf(("ntfs_mountfs(): mftcn: 0x%x|0x%x\n",
468 (u_int32_t)ntmp->ntm_mftcn,(u_int32_t)ntmp->ntm_mftmirrcn));
470 ntmp->ntm_mountp = mp;
472 ntmp->ntm_devvp = devvp;
473 ntmp->ntm_uid = argsp->uid;
474 ntmp->ntm_gid = argsp->gid;
475 ntmp->ntm_mode = argsp->mode;
476 ntmp->ntm_flag = argsp->flag;
478 if (argsp->flag & NTFS_MFLAG_KICONV && ntfs_iconv) {
479 bcopy(argsp->cs_local, cs_local, sizeof(cs_local));
480 bcopy(argsp->cs_ntfs, cs_ntfs, sizeof(cs_ntfs));
481 ntfs_82u_init(ntmp, cs_local, cs_ntfs);
482 ntfs_u28_init(ntmp, NULL, cs_local, cs_ntfs);
484 ntfs_82u_init(ntmp, NULL, NULL);
485 ntfs_u28_init(ntmp, ntmp->ntm_82u, NULL, NULL);
488 mp->mnt_data = (qaddr_t)ntmp;
490 dprintf(("ntfs_mountfs(): case-%s,%s uid: %d, gid: %d, mode: %o\n",
491 (ntmp->ntm_flag & NTFS_MFLAG_CASEINS)?"insens.":"sens.",
492 (ntmp->ntm_flag & NTFS_MFLAG_ALLNAMES)?" allnames,":"",
493 ntmp->ntm_uid, ntmp->ntm_gid, ntmp->ntm_mode));
495 vfs_add_vnodeops(mp, &ntfs_vnode_vops, &mp->mnt_vn_norm_ops);
498 * We read in some system nodes to do not allow
499 * reclaim them and to have everytime access to them.
502 int pi[3] = { NTFS_MFTINO, NTFS_ROOTINO, NTFS_BITMAPINO };
503 for (i=0; i<3; i++) {
504 error = VFS_VGET(mp, NULL,
505 pi[i], &(ntmp->ntm_sysvn[pi[i]]));
508 vsetflags(ntmp->ntm_sysvn[pi[i]], VSYSTEM);
509 vref(ntmp->ntm_sysvn[pi[i]]);
510 vput(ntmp->ntm_sysvn[pi[i]]);
514 /* read the Unicode lowercase --> uppercase translation table,
516 if ((error = ntfs_toupper_use(mp, ntmp)))
520 * Scan $BitMap and count free clusters
522 error = ntfs_calccfree(ntmp, &ntmp->ntm_cfree);
527 * Read and translate to internal format attribute
535 error = VFS_VGET(mp, NULL, NTFS_ATTRDEFINO, &vp);
539 /* Count valid entries */
541 error = ntfs_readattr(ntmp, VTONT(vp),
543 num * sizeof(ad), sizeof(ad),
547 if (ad.ad_name[0] == 0)
551 /* Alloc memory for attribute definitions */
552 ntmp->ntm_ad = kmalloc(num * sizeof(struct ntvattrdef),
553 M_NTFSMNT, M_WAITOK);
555 ntmp->ntm_adnum = num;
557 /* Read them and translate */
559 error = ntfs_readattr(ntmp, VTONT(vp),
561 i * sizeof(ad), sizeof(ad),
567 ntmp->ntm_ad[i].ad_name[j] = ad.ad_name[j];
568 } while(ad.ad_name[j++]);
569 ntmp->ntm_ad[i].ad_namelen = j - 1;
570 ntmp->ntm_ad[i].ad_type = ad.ad_type;
576 #if defined(__DragonFly__)
577 mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);
578 mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
580 mp->mnt_stat.f_fsid.val[0] = dev;
581 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_NTFS);
583 mp->mnt_maxsymlinklen = 0;
584 mp->mnt_flag |= MNT_LOCAL;
585 dev->si_mountpoint = mp;
590 for(i=0;i<NTFS_SYSNODESNUM;i++)
591 if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
593 if (vflush(mp, 0, 0))
594 dprintf(("ntfs_mountfs: vflush failed\n"));
597 dev->si_mountpoint = NULL;
601 #if defined __NetBSD__
602 /* lock the device vnode before calling VOP_CLOSE() */
603 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY);
604 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE);
605 VOP__UNLOCK(devvp, 0);
607 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE);
613 #if !defined(__DragonFly__)
615 ntfs_start(struct mount *mp, int flags, struct thread *td)
622 ntfs_unmount(struct mount *mp, int mntflags)
624 struct ntfsmount *ntmp;
625 int error, ronly, flags, i;
627 dprintf(("ntfs_unmount: unmounting...\n"));
628 ntmp = VFSTONTFS(mp);
630 ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
632 if(mntflags & MNT_FORCE)
635 dprintf(("ntfs_unmount: vflushing...\n"));
636 error = vflush(mp, 0, flags | SKIPSYSTEM);
638 kprintf("ntfs_unmount: vflush failed: %d\n",error);
642 /* Check if only system vnodes are left */
643 for(i=0;i<NTFS_SYSNODESNUM;i++)
644 if((ntmp->ntm_sysvn[i]) &&
645 (ntmp->ntm_sysvn[i]->v_sysref.refcnt > 1)) return (EBUSY);
647 /* Dereference all system vnodes */
648 for(i=0;i<NTFS_SYSNODESNUM;i++)
649 if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
651 /* vflush system vnodes */
652 error = vflush(mp, 0, flags);
654 kprintf("ntfs_unmount: vflush failed(sysnodes): %d\n",error);
656 /* Check if the type of device node isn't VBAD before
657 * touching v_cdevinfo. If the device vnode is revoked, the
658 * field is NULL and touching it causes null pointer derefercence.
660 if (ntmp->ntm_devvp->v_type != VBAD)
661 ntmp->ntm_devvp->v_rdev->si_mountpoint = NULL;
663 vinvalbuf(ntmp->ntm_devvp, V_SAVE, 0, 0);
665 error = VOP_CLOSE(ntmp->ntm_devvp, ronly ? FREAD : FREAD|FWRITE);
667 vrele(ntmp->ntm_devvp);
669 /* free the toupper table, if this has been last mounted ntfs volume */
670 ntfs_toupper_unuse();
672 dprintf(("ntfs_umount: freeing memory...\n"));
673 ntfs_u28_uninit(ntmp);
674 ntfs_82u_uninit(ntmp);
675 mp->mnt_data = (qaddr_t)0;
676 mp->mnt_flag &= ~MNT_LOCAL;
677 kfree(ntmp->ntm_ad, M_NTFSMNT);
678 kfree(ntmp, M_NTFSMNT);
683 ntfs_root(struct mount *mp, struct vnode **vpp)
688 dprintf(("ntfs_root(): sysvn: %p\n",
689 VFSTONTFS(mp)->ntm_sysvn[NTFS_ROOTINO]));
690 error = VFS_VGET(mp, NULL, (ino_t)NTFS_ROOTINO, &nvp);
692 kprintf("ntfs_root: VFS_VGET failed: %d\n",error);
700 #if !defined(__DragonFly__)
702 ntfs_quotactl(struct mount *mp, int cmds, uid_t uid, caddr_t arg,
705 kprintf("\nntfs_quotactl():\n");
711 ntfs_calccfree(struct ntfsmount *ntmp, cn_t *cfreep)
719 vp = ntmp->ntm_sysvn[NTFS_BITMAPINO];
721 bmsize = VTOF(vp)->f_size;
723 tmp = kmalloc(bmsize, M_TEMP, M_WAITOK);
725 error = ntfs_readattr(ntmp, VTONT(vp), NTFS_A_DATA, NULL,
726 0, bmsize, tmp, NULL);
730 for(i=0;i<bmsize;i++)
732 if(~tmp[i] & (1 << j)) cfree++;
741 ntfs_statfs(struct mount *mp, struct statfs *sbp, struct ucred *cred)
743 struct ntfsmount *ntmp = VFSTONTFS(mp);
744 u_int64_t mftsize,mftallocated;
746 dprintf(("ntfs_statfs():\n"));
748 mftsize = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_size;
749 mftallocated = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_allocated;
751 #if defined(__DragonFly__)
752 sbp->f_type = mp->mnt_vfc->vfc_typenum;
753 #elif defined(__NetBSD__)
756 sbp->f_type = MOUNT_NTFS;
758 sbp->f_bsize = ntmp->ntm_bps;
759 sbp->f_iosize = ntmp->ntm_bps * ntmp->ntm_spc;
760 sbp->f_blocks = ntmp->ntm_bootfile.bf_spv;
761 sbp->f_bfree = sbp->f_bavail = ntfs_cntobn(ntmp->ntm_cfree);
762 sbp->f_ffree = sbp->f_bfree / ntmp->ntm_bpmftrec;
763 sbp->f_files = mftallocated / ntfs_bntob(ntmp->ntm_bpmftrec) +
765 if (sbp != &mp->mnt_stat) {
766 bcopy((caddr_t)mp->mnt_stat.f_mntfromname,
767 (caddr_t)&sbp->f_mntfromname[0], MNAMELEN);
769 sbp->f_flags = mp->mnt_flag;
771 strncpy(sbp->f_fstypename, mp->mnt_op->vfs_name, MFSNAMELEN);
778 ntfs_statvfs(struct mount *mp, struct statvfs *sbp, struct ucred *cred)
780 struct ntfsmount *ntmp = VFSTONTFS(mp);
781 u_int64_t mftsize,mftallocated;
783 dprintf(("ntfs_statvfs():\n"));
785 mftsize = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_size;
786 mftallocated = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_allocated;
788 sbp->f_type = mp->mnt_vfc->vfc_typenum;
789 sbp->f_bsize = ntmp->ntm_bps;
790 sbp->f_blocks = ntmp->ntm_bootfile.bf_spv;
791 sbp->f_bfree = sbp->f_bavail = ntmp->ntm_cfree * ntmp->ntm_spc;
792 sbp->f_ffree = sbp->f_bfree / ntmp->ntm_bpmftrec;
793 sbp->f_files = mftallocated / (ntmp->ntm_bpmftrec * ntmp->ntm_bps) +
799 #if !defined(__DragonFly__)
801 ntfs_sync(struct mount *mp, int waitfor, struct ucred *cred, struct thread *td)
803 /*dprintf(("ntfs_sync():\n"));*/
810 ntfs_fhtovp(struct mount *mp, struct vnode *rootvp,
811 struct fid *fhp, struct vnode **vpp)
814 struct ntfid *ntfhp = (struct ntfid *)fhp;
817 ddprintf(("ntfs_fhtovp(): %d\n", ntfhp->ntfid_ino));
819 if ((error = VFS_VGET(mp, NULL, ntfhp->ntfid_ino, &nvp)) != 0) {
823 /* XXX as unlink/rmdir/mkdir/creat are not currently possible
824 * with NTFS, we don't need to check anything else for now */
831 ntfs_vptofh(struct vnode *vp, struct fid *fhp)
836 ddprintf(("ntfs_fhtovp(): %p\n", vp));
839 ntfhp = (struct ntfid *)fhp;
840 ntfhp->ntfid_len = sizeof(struct ntfid);
841 ntfhp->ntfid_ino = ntp->i_number;
842 /* ntfhp->ntfid_gen = ntp->i_gen; */
847 ntfs_vgetex(struct mount *mp, ino_t ino, u_int32_t attrtype, char *attrname,
848 u_long lkflags, u_long flags, struct thread *td,
852 struct ntfsmount *ntmp;
858 dprintf(("ntfs_vgetex: ino: %ju, attr: 0x%x:%s, lkf: 0x%lx, f: 0x%lx\n",
859 (uintmax_t) ino, attrtype, attrname?attrname:"", lkflags, flags));
861 ntmp = VFSTONTFS(mp);
865 error = ntfs_ntlookup(ntmp, ino, &ip);
867 kprintf("ntfs_vget: ntfs_ntget failed\n");
871 /* It may be not initialized fully, so force load it */
872 if (!(flags & VG_DONTLOADIN) && !(ip->i_flag & IN_LOADED)) {
873 error = ntfs_loadntnode(ntmp, ip);
875 kprintf("ntfs_vget: CAN'T LOAD ATTRIBUTES FOR INO: %"PRId64"\n",
882 error = ntfs_fget(ntmp, ip, attrtype, attrname, &fp);
884 kprintf("ntfs_vget: ntfs_fget failed\n");
890 if (!(flags & VG_DONTVALIDFN) && !(fp->f_flag & FN_VALID)) {
891 if ((ip->i_frflag & NTFS_FRFLAG_DIR) &&
892 (fp->f_attrtype == NTFS_A_DATA && fp->f_attrname == NULL)) {
894 } else if (flags & VG_EXT) {
896 fp->f_size = fp->f_allocated = 0;
900 error = ntfs_filesize(ntmp, fp,
901 &fp->f_size, &fp->f_allocated);
908 fp->f_flag |= FN_VALID;
912 VGET(FTOV(fp), lkflags);
918 error = getnewvnode(VT_NTFS, ntmp->ntm_mountp, &vp, VLKTIMEOUT, 0);
924 dprintf(("ntfs_vget: vnode: %p for ntnode: %ju\n", vp, (uintmax_t)ino));
930 if (ino == NTFS_ROOTINO)
931 vsetflags(vp, VROOT);
934 * Normal files use the buffer cache
937 vinitvmio(vp, fp->f_size, PAGE_SIZE, -1);
941 KKASSERT(lkflags & LK_TYPE_MASK);
942 /* XXX leave vnode locked exclusively from getnewvnode */
949 ntfs_vget(struct mount *mp, struct vnode *dvp, ino_t ino, struct vnode **vpp)
951 return ntfs_vgetex(mp, ino, NTFS_A_DATA, NULL,
952 LK_EXCLUSIVE | LK_RETRY, 0, curthread, vpp);
955 #if defined(__DragonFly__)
956 static struct vfsops ntfs_vfsops = {
957 .vfs_mount = ntfs_mount,
958 .vfs_unmount = ntfs_unmount,
959 .vfs_root = ntfs_root,
960 .vfs_statfs = ntfs_statfs,
961 .vfs_statvfs = ntfs_statvfs,
962 .vfs_sync = vfs_stdsync,
963 .vfs_vget = ntfs_vget,
964 .vfs_fhtovp = ntfs_fhtovp,
965 .vfs_checkexp = ntfs_checkexp,
966 .vfs_vptofh = ntfs_vptofh,
967 .vfs_init = ntfs_init,
968 .vfs_uninit = ntfs_nthash_uninit /* see ntfs_ihash.c */
970 VFS_SET(ntfs_vfsops, ntfs, 0);
971 MODULE_VERSION(ntfs, 1);
972 #elif defined(__NetBSD__)
973 extern struct vnodeopv_desc ntfs_vnodeop_opv_desc;
975 struct vnodeopv_desc *ntfs_vnodeopv_descs[] = {
976 &ntfs_vnodeop_opv_desc,
980 struct vfsops ntfs_vfsops = {
998 #else /* !NetBSD && !FreeBSD */
999 static struct vfsops ntfs_vfsops = {
1012 VFS_SET(ntfs_vfsops, ntfs, MOUNT_NTFS, 0);