ntfs_vfsops.c revision 1.35 1 1.35 christos /* $NetBSD: ntfs_vfsops.c,v 1.35 2005/10/23 04:28:53 christos Exp $ */
2 1.1 jdolecek
3 1.1 jdolecek /*-
4 1.1 jdolecek * Copyright (c) 1998, 1999 Semen Ustimenko
5 1.1 jdolecek * All rights reserved.
6 1.1 jdolecek *
7 1.1 jdolecek * Redistribution and use in source and binary forms, with or without
8 1.1 jdolecek * modification, are permitted provided that the following conditions
9 1.1 jdolecek * are met:
10 1.1 jdolecek * 1. Redistributions of source code must retain the above copyright
11 1.1 jdolecek * notice, this list of conditions and the following disclaimer.
12 1.1 jdolecek * 2. Redistributions in binary form must reproduce the above copyright
13 1.1 jdolecek * notice, this list of conditions and the following disclaimer in the
14 1.1 jdolecek * documentation and/or other materials provided with the distribution.
15 1.1 jdolecek *
16 1.1 jdolecek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 1.1 jdolecek * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 1.1 jdolecek * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 1.1 jdolecek * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 1.1 jdolecek * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 1.1 jdolecek * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 1.1 jdolecek * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 1.1 jdolecek * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 1.1 jdolecek * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 1.1 jdolecek * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 1.1 jdolecek * SUCH DAMAGE.
27 1.1 jdolecek *
28 1.1 jdolecek * Id: ntfs_vfsops.c,v 1.7 1999/05/31 11:28:30 phk Exp
29 1.1 jdolecek */
30 1.1 jdolecek
31 1.1 jdolecek #include <sys/cdefs.h>
32 1.35 christos __KERNEL_RCSID(0, "$NetBSD: ntfs_vfsops.c,v 1.35 2005/10/23 04:28:53 christos Exp $");
33 1.1 jdolecek
34 1.1 jdolecek #include <sys/param.h>
35 1.1 jdolecek #include <sys/systm.h>
36 1.1 jdolecek #include <sys/namei.h>
37 1.1 jdolecek #include <sys/proc.h>
38 1.1 jdolecek #include <sys/kernel.h>
39 1.1 jdolecek #include <sys/vnode.h>
40 1.1 jdolecek #include <sys/mount.h>
41 1.1 jdolecek #include <sys/buf.h>
42 1.1 jdolecek #include <sys/fcntl.h>
43 1.1 jdolecek #include <sys/malloc.h>
44 1.15 atatat #include <sys/sysctl.h>
45 1.1 jdolecek #include <sys/device.h>
46 1.1 jdolecek #include <sys/conf.h>
47 1.1 jdolecek
48 1.1 jdolecek #if defined(__NetBSD__)
49 1.1 jdolecek #include <uvm/uvm_extern.h>
50 1.1 jdolecek #else
51 1.1 jdolecek #include <vm/vm.h>
52 1.1 jdolecek #endif
53 1.1 jdolecek
54 1.1 jdolecek #include <miscfs/specfs/specdev.h>
55 1.1 jdolecek
56 1.1 jdolecek #include <fs/ntfs/ntfs.h>
57 1.1 jdolecek #include <fs/ntfs/ntfs_inode.h>
58 1.1 jdolecek #include <fs/ntfs/ntfs_subr.h>
59 1.1 jdolecek #include <fs/ntfs/ntfs_vfsops.h>
60 1.1 jdolecek #include <fs/ntfs/ntfs_ihash.h>
61 1.1 jdolecek #include <fs/ntfs/ntfsmount.h>
62 1.1 jdolecek
63 1.1 jdolecek MALLOC_DEFINE(M_NTFSMNT, "NTFS mount", "NTFS mount structure");
64 1.1 jdolecek MALLOC_DEFINE(M_NTFSNTNODE,"NTFS ntnode", "NTFS ntnode information");
65 1.1 jdolecek MALLOC_DEFINE(M_NTFSFNODE,"NTFS fnode", "NTFS fnode information");
66 1.1 jdolecek MALLOC_DEFINE(M_NTFSDIR,"NTFS dir", "NTFS dir buffer");
67 1.1 jdolecek
68 1.1 jdolecek #if defined(__FreeBSD__)
69 1.33 xtraeme static int ntfs_mount(struct mount *, char *, caddr_t,
70 1.33 xtraeme struct nameidata *, struct proc *);
71 1.1 jdolecek #else
72 1.33 xtraeme static int ntfs_mount(struct mount *, const char *, void *,
73 1.33 xtraeme struct nameidata *, struct proc *);
74 1.1 jdolecek #endif
75 1.33 xtraeme static int ntfs_quotactl(struct mount *, int, uid_t, void *,
76 1.33 xtraeme struct proc *);
77 1.33 xtraeme static int ntfs_root(struct mount *, struct vnode **);
78 1.33 xtraeme static int ntfs_start(struct mount *, int, struct proc *);
79 1.33 xtraeme static int ntfs_statvfs(struct mount *, struct statvfs *,
80 1.33 xtraeme struct proc *);
81 1.33 xtraeme static int ntfs_sync(struct mount *, int, struct ucred *,
82 1.33 xtraeme struct proc *);
83 1.33 xtraeme static int ntfs_unmount(struct mount *, int, struct proc *);
84 1.33 xtraeme static int ntfs_vget(struct mount *mp, ino_t ino,
85 1.33 xtraeme struct vnode **vpp);
86 1.33 xtraeme static int ntfs_mountfs(struct vnode *, struct mount *,
87 1.33 xtraeme struct ntfs_args *, struct proc *);
88 1.33 xtraeme static int ntfs_vptofh(struct vnode *, struct fid *);
89 1.1 jdolecek
90 1.1 jdolecek #if defined(__FreeBSD__)
91 1.33 xtraeme static int ntfs_init(struct vfsconf *);
92 1.33 xtraeme static int ntfs_fhtovp(struct mount *, struct fid *,
93 1.1 jdolecek struct sockaddr *, struct vnode **,
94 1.33 xtraeme int *, struct ucred **);
95 1.1 jdolecek #elif defined(__NetBSD__)
96 1.33 xtraeme static void ntfs_init(void);
97 1.33 xtraeme static void ntfs_reinit(void);
98 1.33 xtraeme static void ntfs_done(void);
99 1.33 xtraeme static int ntfs_fhtovp(struct mount *, struct fid *,
100 1.33 xtraeme struct vnode **);
101 1.33 xtraeme static int ntfs_mountroot(void);
102 1.1 jdolecek #else
103 1.33 xtraeme static int ntfs_init(void);
104 1.33 xtraeme static int ntfs_fhtovp(struct mount *, struct fid *,
105 1.1 jdolecek struct mbuf *, struct vnode **,
106 1.33 xtraeme int *, struct ucred **);
107 1.1 jdolecek #endif
108 1.1 jdolecek
109 1.31 yamt static const struct genfs_ops ntfs_genfsops = {
110 1.31 yamt .gop_write = genfs_compat_gop_write,
111 1.1 jdolecek };
112 1.1 jdolecek
113 1.1 jdolecek #ifdef __NetBSD__
114 1.1 jdolecek
115 1.15 atatat SYSCTL_SETUP(sysctl_vfs_ntfs_setup, "sysctl vfs.ntfs subtree setup")
116 1.1 jdolecek {
117 1.15 atatat
118 1.17 atatat sysctl_createv(clog, 0, NULL, NULL,
119 1.17 atatat CTLFLAG_PERMANENT,
120 1.15 atatat CTLTYPE_NODE, "vfs", NULL,
121 1.15 atatat NULL, 0, NULL, 0,
122 1.15 atatat CTL_VFS, CTL_EOL);
123 1.17 atatat sysctl_createv(clog, 0, NULL, NULL,
124 1.17 atatat CTLFLAG_PERMANENT,
125 1.21 atatat CTLTYPE_NODE, "ntfs",
126 1.21 atatat SYSCTL_DESCR("NTFS file system"),
127 1.15 atatat NULL, 0, NULL, 0,
128 1.15 atatat CTL_VFS, 20, CTL_EOL);
129 1.15 atatat /*
130 1.15 atatat * XXX the "20" above could be dynamic, thereby eliminating
131 1.15 atatat * one more instance of the "number to vfs" mapping problem,
132 1.15 atatat * but "20" is the order as taken from sys/mount.h
133 1.15 atatat */
134 1.1 jdolecek }
135 1.1 jdolecek
136 1.1 jdolecek static int
137 1.1 jdolecek ntfs_mountroot()
138 1.1 jdolecek {
139 1.1 jdolecek struct mount *mp;
140 1.10 fvdl struct proc *p = curproc; /* XXX */
141 1.1 jdolecek int error;
142 1.1 jdolecek struct ntfs_args args;
143 1.1 jdolecek
144 1.1 jdolecek if (root_device->dv_class != DV_DISK)
145 1.1 jdolecek return (ENODEV);
146 1.1 jdolecek
147 1.1 jdolecek if ((error = vfs_rootmountalloc(MOUNT_NTFS, "root_device", &mp))) {
148 1.1 jdolecek vrele(rootvp);
149 1.1 jdolecek return (error);
150 1.1 jdolecek }
151 1.1 jdolecek
152 1.1 jdolecek args.flag = 0;
153 1.1 jdolecek args.uid = 0;
154 1.1 jdolecek args.gid = 0;
155 1.1 jdolecek args.mode = 0777;
156 1.1 jdolecek
157 1.10 fvdl if ((error = ntfs_mountfs(rootvp, mp, &args, p)) != 0) {
158 1.1 jdolecek mp->mnt_op->vfs_refcount--;
159 1.1 jdolecek vfs_unbusy(mp);
160 1.1 jdolecek free(mp, M_MOUNT);
161 1.1 jdolecek return (error);
162 1.1 jdolecek }
163 1.1 jdolecek
164 1.1 jdolecek simple_lock(&mountlist_slock);
165 1.1 jdolecek CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list);
166 1.1 jdolecek simple_unlock(&mountlist_slock);
167 1.18 christos (void)ntfs_statvfs(mp, &mp->mnt_stat, p);
168 1.1 jdolecek vfs_unbusy(mp);
169 1.1 jdolecek return (0);
170 1.1 jdolecek }
171 1.1 jdolecek
172 1.1 jdolecek static void
173 1.1 jdolecek ntfs_init()
174 1.1 jdolecek {
175 1.5 christos #ifdef _LKM
176 1.5 christos malloc_type_attach(M_NTFSMNT);
177 1.5 christos malloc_type_attach(M_NTFSNTNODE);
178 1.5 christos malloc_type_attach(M_NTFSFNODE);
179 1.5 christos malloc_type_attach(M_NTFSDIR);
180 1.5 christos malloc_type_attach(M_NTFSNTHASH);
181 1.6 christos malloc_type_attach(M_NTFSNTVATTR);
182 1.7 christos malloc_type_attach(M_NTFSRDATA);
183 1.7 christos malloc_type_attach(M_NTFSDECOMP);
184 1.7 christos malloc_type_attach(M_NTFSRUN);
185 1.5 christos #endif
186 1.1 jdolecek ntfs_nthashinit();
187 1.1 jdolecek ntfs_toupper_init();
188 1.1 jdolecek }
189 1.1 jdolecek
190 1.1 jdolecek static void
191 1.1 jdolecek ntfs_reinit()
192 1.1 jdolecek {
193 1.1 jdolecek ntfs_nthashreinit();
194 1.1 jdolecek }
195 1.1 jdolecek
196 1.1 jdolecek static void
197 1.1 jdolecek ntfs_done()
198 1.1 jdolecek {
199 1.1 jdolecek ntfs_nthashdone();
200 1.5 christos #ifdef _LKM
201 1.5 christos malloc_type_detach(M_NTFSMNT);
202 1.5 christos malloc_type_detach(M_NTFSNTNODE);
203 1.5 christos malloc_type_detach(M_NTFSFNODE);
204 1.5 christos malloc_type_detach(M_NTFSDIR);
205 1.5 christos malloc_type_detach(M_NTFSNTHASH);
206 1.6 christos malloc_type_detach(M_NTFSNTVATTR);
207 1.7 christos malloc_type_detach(M_NTFSRDATA);
208 1.7 christos malloc_type_detach(M_NTFSDECOMP);
209 1.7 christos malloc_type_detach(M_NTFSRUN);
210 1.5 christos #endif
211 1.1 jdolecek }
212 1.1 jdolecek
213 1.1 jdolecek #elif defined(__FreeBSD__)
214 1.1 jdolecek
215 1.1 jdolecek static int
216 1.1 jdolecek ntfs_init (
217 1.1 jdolecek struct vfsconf *vcp )
218 1.1 jdolecek {
219 1.1 jdolecek ntfs_nthashinit();
220 1.1 jdolecek ntfs_toupper_init();
221 1.1 jdolecek return 0;
222 1.1 jdolecek }
223 1.1 jdolecek
224 1.1 jdolecek #endif /* NetBSD */
225 1.1 jdolecek
226 1.1 jdolecek static int
227 1.29 perry ntfs_mount (
228 1.1 jdolecek struct mount *mp,
229 1.1 jdolecek #if defined(__FreeBSD__)
230 1.1 jdolecek char *path,
231 1.1 jdolecek caddr_t data,
232 1.1 jdolecek #else
233 1.1 jdolecek const char *path,
234 1.1 jdolecek void *data,
235 1.1 jdolecek #endif
236 1.1 jdolecek struct nameidata *ndp,
237 1.1 jdolecek struct proc *p )
238 1.1 jdolecek {
239 1.28 mycroft int err = 0, flags;
240 1.1 jdolecek struct vnode *devvp;
241 1.1 jdolecek struct ntfs_args args;
242 1.1 jdolecek
243 1.1 jdolecek if (mp->mnt_flag & MNT_GETARGS) {
244 1.1 jdolecek struct ntfsmount *ntmp = VFSTONTFS(mp);
245 1.1 jdolecek if (ntmp == NULL)
246 1.1 jdolecek return EIO;
247 1.1 jdolecek args.fspec = NULL;
248 1.1 jdolecek args.uid = ntmp->ntm_uid;
249 1.1 jdolecek args.gid = ntmp->ntm_gid;
250 1.1 jdolecek args.mode = ntmp->ntm_mode;
251 1.1 jdolecek args.flag = ntmp->ntm_flag;
252 1.1 jdolecek return copyout(&args, data, sizeof(args));
253 1.1 jdolecek }
254 1.1 jdolecek /*
255 1.1 jdolecek ***
256 1.1 jdolecek * Mounting non-root file system or updating a file system
257 1.1 jdolecek ***
258 1.1 jdolecek */
259 1.1 jdolecek
260 1.1 jdolecek /* copy in user arguments*/
261 1.20 jrf err = copyin(data, &args, sizeof (struct ntfs_args));
262 1.1 jdolecek if (err)
263 1.28 mycroft return (err); /* can't get arguments*/
264 1.1 jdolecek
265 1.1 jdolecek /*
266 1.1 jdolecek * If updating, check whether changing from read-only to
267 1.1 jdolecek * read/write; if there is no device name, that's all we do.
268 1.1 jdolecek */
269 1.1 jdolecek if (mp->mnt_flag & MNT_UPDATE) {
270 1.1 jdolecek printf("ntfs_mount(): MNT_UPDATE not supported\n");
271 1.28 mycroft return (EINVAL);
272 1.1 jdolecek }
273 1.1 jdolecek
274 1.1 jdolecek /*
275 1.1 jdolecek * Not an update, or updating the name: look up the name
276 1.1 jdolecek * and verify that it refers to a sensible block device.
277 1.1 jdolecek */
278 1.1 jdolecek NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p);
279 1.1 jdolecek err = namei(ndp);
280 1.1 jdolecek if (err) {
281 1.1 jdolecek /* can't get devvp!*/
282 1.28 mycroft return (err);
283 1.1 jdolecek }
284 1.1 jdolecek
285 1.1 jdolecek devvp = ndp->ni_vp;
286 1.1 jdolecek
287 1.1 jdolecek if (devvp->v_type != VBLK) {
288 1.1 jdolecek err = ENOTBLK;
289 1.28 mycroft goto fail;
290 1.1 jdolecek }
291 1.1 jdolecek #ifdef __FreeBSD__
292 1.1 jdolecek if (bdevsw(devvp->v_rdev) == NULL) {
293 1.1 jdolecek #else
294 1.1 jdolecek if (bdevsw_lookup(devvp->v_rdev) == NULL) {
295 1.1 jdolecek #endif
296 1.1 jdolecek err = ENXIO;
297 1.28 mycroft goto fail;
298 1.1 jdolecek }
299 1.1 jdolecek if (mp->mnt_flag & MNT_UPDATE) {
300 1.1 jdolecek #if 0
301 1.1 jdolecek /*
302 1.1 jdolecek ********************
303 1.1 jdolecek * UPDATE
304 1.1 jdolecek ********************
305 1.1 jdolecek */
306 1.1 jdolecek
307 1.28 mycroft if (devvp != ntmp->um_devvp) {
308 1.1 jdolecek err = EINVAL; /* needs translation */
309 1.28 mycroft goto fail;
310 1.28 mycroft }
311 1.28 mycroft
312 1.1 jdolecek /*
313 1.1 jdolecek * Update device name only on success
314 1.1 jdolecek */
315 1.28 mycroft err = set_statvfs_info(NULL, UIO_USERSPACE, args.fspec,
316 1.28 mycroft UIO_USERSPACE, mp, p);
317 1.28 mycroft if (err)
318 1.28 mycroft goto fail;
319 1.28 mycroft
320 1.28 mycroft vrele(devvp);
321 1.1 jdolecek #endif
322 1.1 jdolecek } else {
323 1.1 jdolecek /*
324 1.1 jdolecek ********************
325 1.1 jdolecek * NEW MOUNT
326 1.1 jdolecek ********************
327 1.1 jdolecek */
328 1.1 jdolecek
329 1.1 jdolecek /*
330 1.1 jdolecek * Since this is a new mount, we want the names for
331 1.1 jdolecek * the device and the mount point copied in. If an
332 1.1 jdolecek * error occurs, the mountpoint is discarded by the
333 1.1 jdolecek * upper level code.
334 1.1 jdolecek */
335 1.28 mycroft
336 1.1 jdolecek /* Save "last mounted on" info for mount point (NULL pad)*/
337 1.18 christos err = set_statvfs_info(path, UIO_USERSPACE, args.fspec,
338 1.10 fvdl UIO_USERSPACE, mp, p);
339 1.28 mycroft if (err)
340 1.28 mycroft goto fail;
341 1.28 mycroft
342 1.28 mycroft /*
343 1.28 mycroft * Disallow multiple mounts of the same device.
344 1.28 mycroft * Disallow mounting of a device that is currently in use
345 1.28 mycroft * (except for root, which might share swap device for
346 1.28 mycroft * miniroot).
347 1.28 mycroft */
348 1.28 mycroft err = vfs_mountedon(devvp);
349 1.28 mycroft if (err)
350 1.28 mycroft goto fail;
351 1.28 mycroft if (vcount(devvp) > 1 && devvp != rootvp) {
352 1.28 mycroft err = EBUSY;
353 1.28 mycroft goto fail;
354 1.28 mycroft }
355 1.28 mycroft if (mp->mnt_flag & MNT_RDONLY)
356 1.28 mycroft flags = FREAD;
357 1.28 mycroft else
358 1.28 mycroft flags = FREAD|FWRITE;
359 1.28 mycroft err = VOP_OPEN(devvp, flags, FSCRED, p);
360 1.28 mycroft if (err)
361 1.28 mycroft goto fail;
362 1.28 mycroft err = ntfs_mountfs(devvp, mp, &args, p);
363 1.28 mycroft if (err) {
364 1.28 mycroft vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
365 1.28 mycroft (void)VOP_CLOSE(devvp, flags, NOCRED, p);
366 1.28 mycroft VOP_UNLOCK(devvp, 0);
367 1.28 mycroft goto fail;
368 1.4 christos }
369 1.1 jdolecek }
370 1.1 jdolecek
371 1.1 jdolecek #ifdef __FreeBSD__
372 1.18 christos dostatvfs:
373 1.1 jdolecek #endif
374 1.1 jdolecek /*
375 1.1 jdolecek * Initialize FS stat information in mount struct; uses both
376 1.1 jdolecek * mp->mnt_stat.f_mntonname and mp->mnt_stat.f_mntfromname
377 1.1 jdolecek *
378 1.1 jdolecek * This code is common to root and non-root mounts
379 1.1 jdolecek */
380 1.18 christos (void)VFS_STATVFS(mp, &mp->mnt_stat, p);
381 1.28 mycroft return (err);
382 1.1 jdolecek
383 1.28 mycroft fail:
384 1.1 jdolecek vrele(devvp);
385 1.28 mycroft return (err);
386 1.1 jdolecek }
387 1.1 jdolecek
388 1.1 jdolecek /*
389 1.1 jdolecek * Common code for mount and mountroot
390 1.1 jdolecek */
391 1.1 jdolecek int
392 1.10 fvdl ntfs_mountfs(devvp, mp, argsp, p)
393 1.1 jdolecek struct vnode *devvp;
394 1.1 jdolecek struct mount *mp;
395 1.1 jdolecek struct ntfs_args *argsp;
396 1.10 fvdl struct proc *p;
397 1.1 jdolecek {
398 1.1 jdolecek struct buf *bp;
399 1.1 jdolecek struct ntfsmount *ntmp;
400 1.1 jdolecek dev_t dev = devvp->v_rdev;
401 1.28 mycroft int error, ronly, i;
402 1.1 jdolecek struct vnode *vp;
403 1.1 jdolecek
404 1.1 jdolecek /*
405 1.1 jdolecek * Flush out any old buffers remaining from a previous use.
406 1.1 jdolecek */
407 1.28 mycroft vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY);
408 1.10 fvdl error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0);
409 1.28 mycroft VOP_UNLOCK(devvp, 0);
410 1.1 jdolecek if (error)
411 1.1 jdolecek return (error);
412 1.1 jdolecek
413 1.1 jdolecek ronly = (mp->mnt_flag & MNT_RDONLY) != 0;
414 1.1 jdolecek
415 1.1 jdolecek bp = NULL;
416 1.1 jdolecek
417 1.1 jdolecek error = bread(devvp, BBLOCK, BBSIZE, NOCRED, &bp);
418 1.1 jdolecek if (error)
419 1.1 jdolecek goto out;
420 1.1 jdolecek ntmp = malloc( sizeof *ntmp, M_NTFSMNT, M_WAITOK );
421 1.1 jdolecek bzero( ntmp, sizeof *ntmp );
422 1.1 jdolecek bcopy( bp->b_data, &ntmp->ntm_bootfile, sizeof(struct bootfile) );
423 1.1 jdolecek brelse( bp );
424 1.1 jdolecek bp = NULL;
425 1.1 jdolecek
426 1.1 jdolecek if (strncmp(ntmp->ntm_bootfile.bf_sysid, NTFS_BBID, NTFS_BBIDLEN)) {
427 1.1 jdolecek error = EINVAL;
428 1.1 jdolecek dprintf(("ntfs_mountfs: invalid boot block\n"));
429 1.1 jdolecek goto out;
430 1.1 jdolecek }
431 1.1 jdolecek
432 1.1 jdolecek {
433 1.1 jdolecek int8_t cpr = ntmp->ntm_mftrecsz;
434 1.1 jdolecek if( cpr > 0 )
435 1.1 jdolecek ntmp->ntm_bpmftrec = ntmp->ntm_spc * cpr;
436 1.1 jdolecek else
437 1.1 jdolecek ntmp->ntm_bpmftrec = (1 << (-cpr)) / ntmp->ntm_bps;
438 1.1 jdolecek }
439 1.1 jdolecek dprintf(("ntfs_mountfs(): bps: %d, spc: %d, media: %x, mftrecsz: %d (%d sects)\n",
440 1.1 jdolecek ntmp->ntm_bps,ntmp->ntm_spc,ntmp->ntm_bootfile.bf_media,
441 1.1 jdolecek ntmp->ntm_mftrecsz,ntmp->ntm_bpmftrec));
442 1.1 jdolecek dprintf(("ntfs_mountfs(): mftcn: 0x%x|0x%x\n",
443 1.1 jdolecek (u_int32_t)ntmp->ntm_mftcn,(u_int32_t)ntmp->ntm_mftmirrcn));
444 1.1 jdolecek
445 1.1 jdolecek ntmp->ntm_mountp = mp;
446 1.1 jdolecek ntmp->ntm_dev = dev;
447 1.1 jdolecek ntmp->ntm_devvp = devvp;
448 1.1 jdolecek ntmp->ntm_uid = argsp->uid;
449 1.1 jdolecek ntmp->ntm_gid = argsp->gid;
450 1.1 jdolecek ntmp->ntm_mode = argsp->mode;
451 1.1 jdolecek ntmp->ntm_flag = argsp->flag;
452 1.1 jdolecek mp->mnt_data = ntmp;
453 1.1 jdolecek
454 1.1 jdolecek /* set file name encode/decode hooks XXX utf-8 only for now */
455 1.1 jdolecek ntmp->ntm_wget = ntfs_utf8_wget;
456 1.1 jdolecek ntmp->ntm_wput = ntfs_utf8_wput;
457 1.1 jdolecek ntmp->ntm_wcmp = ntfs_utf8_wcmp;
458 1.1 jdolecek
459 1.1 jdolecek dprintf(("ntfs_mountfs(): case-%s,%s uid: %d, gid: %d, mode: %o\n",
460 1.1 jdolecek (ntmp->ntm_flag & NTFS_MFLAG_CASEINS)?"insens.":"sens.",
461 1.1 jdolecek (ntmp->ntm_flag & NTFS_MFLAG_ALLNAMES)?" allnames,":"",
462 1.1 jdolecek ntmp->ntm_uid, ntmp->ntm_gid, ntmp->ntm_mode));
463 1.1 jdolecek
464 1.1 jdolecek /*
465 1.29 perry * We read in some system nodes to do not allow
466 1.1 jdolecek * reclaim them and to have everytime access to them.
467 1.29 perry */
468 1.1 jdolecek {
469 1.1 jdolecek int pi[3] = { NTFS_MFTINO, NTFS_ROOTINO, NTFS_BITMAPINO };
470 1.1 jdolecek for (i=0; i<3; i++) {
471 1.9 thorpej error = VFS_VGET(mp, pi[i], &(ntmp->ntm_sysvn[pi[i]]));
472 1.1 jdolecek if(error)
473 1.1 jdolecek goto out1;
474 1.1 jdolecek ntmp->ntm_sysvn[pi[i]]->v_flag |= VSYSTEM;
475 1.1 jdolecek VREF(ntmp->ntm_sysvn[pi[i]]);
476 1.1 jdolecek vput(ntmp->ntm_sysvn[pi[i]]);
477 1.1 jdolecek }
478 1.1 jdolecek }
479 1.1 jdolecek
480 1.1 jdolecek /* read the Unicode lowercase --> uppercase translation table,
481 1.1 jdolecek * if necessary */
482 1.1 jdolecek if ((error = ntfs_toupper_use(mp, ntmp)))
483 1.1 jdolecek goto out1;
484 1.1 jdolecek
485 1.1 jdolecek /*
486 1.1 jdolecek * Scan $BitMap and count free clusters
487 1.1 jdolecek */
488 1.1 jdolecek error = ntfs_calccfree(ntmp, &ntmp->ntm_cfree);
489 1.1 jdolecek if(error)
490 1.1 jdolecek goto out1;
491 1.1 jdolecek
492 1.1 jdolecek /*
493 1.1 jdolecek * Read and translate to internal format attribute
494 1.29 perry * definition file.
495 1.1 jdolecek */
496 1.1 jdolecek {
497 1.1 jdolecek int num,j;
498 1.1 jdolecek struct attrdef ad;
499 1.1 jdolecek
500 1.1 jdolecek /* Open $AttrDef */
501 1.10 fvdl error = VFS_VGET(mp, NTFS_ATTRDEFINO, &vp );
502 1.29 perry if(error)
503 1.1 jdolecek goto out1;
504 1.1 jdolecek
505 1.1 jdolecek /* Count valid entries */
506 1.1 jdolecek for(num=0;;num++) {
507 1.1 jdolecek error = ntfs_readattr(ntmp, VTONT(vp),
508 1.1 jdolecek NTFS_A_DATA, NULL,
509 1.1 jdolecek num * sizeof(ad), sizeof(ad),
510 1.1 jdolecek &ad, NULL);
511 1.1 jdolecek if (error)
512 1.1 jdolecek goto out1;
513 1.1 jdolecek if (ad.ad_name[0] == 0)
514 1.1 jdolecek break;
515 1.1 jdolecek }
516 1.1 jdolecek
517 1.1 jdolecek /* Alloc memory for attribute definitions */
518 1.1 jdolecek ntmp->ntm_ad = (struct ntvattrdef *) malloc(
519 1.1 jdolecek num * sizeof(struct ntvattrdef),
520 1.1 jdolecek M_NTFSMNT, M_WAITOK);
521 1.1 jdolecek
522 1.1 jdolecek ntmp->ntm_adnum = num;
523 1.1 jdolecek
524 1.1 jdolecek /* Read them and translate */
525 1.1 jdolecek for(i=0;i<num;i++){
526 1.1 jdolecek error = ntfs_readattr(ntmp, VTONT(vp),
527 1.1 jdolecek NTFS_A_DATA, NULL,
528 1.1 jdolecek i * sizeof(ad), sizeof(ad),
529 1.1 jdolecek &ad, NULL);
530 1.1 jdolecek if (error)
531 1.1 jdolecek goto out1;
532 1.1 jdolecek j = 0;
533 1.1 jdolecek do {
534 1.1 jdolecek ntmp->ntm_ad[i].ad_name[j] = ad.ad_name[j];
535 1.1 jdolecek } while(ad.ad_name[j++]);
536 1.1 jdolecek ntmp->ntm_ad[i].ad_namelen = j - 1;
537 1.1 jdolecek ntmp->ntm_ad[i].ad_type = ad.ad_type;
538 1.1 jdolecek }
539 1.1 jdolecek
540 1.1 jdolecek vput(vp);
541 1.1 jdolecek }
542 1.1 jdolecek
543 1.1 jdolecek #if defined(__FreeBSD__)
544 1.1 jdolecek mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);
545 1.1 jdolecek mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
546 1.1 jdolecek #else
547 1.18 christos mp->mnt_stat.f_fsidx.__fsid_val[0] = dev;
548 1.18 christos mp->mnt_stat.f_fsidx.__fsid_val[1] = makefstype(MOUNT_NTFS);
549 1.18 christos mp->mnt_stat.f_fsid = mp->mnt_stat.f_fsidx.__fsid_val[0];
550 1.25 jdolecek mp->mnt_stat.f_namemax = NTFS_MAXFILENAME;
551 1.1 jdolecek #endif
552 1.1 jdolecek mp->mnt_flag |= MNT_LOCAL;
553 1.1 jdolecek devvp->v_specmountpoint = mp;
554 1.1 jdolecek return (0);
555 1.1 jdolecek
556 1.1 jdolecek out1:
557 1.1 jdolecek for(i=0;i<NTFS_SYSNODESNUM;i++)
558 1.1 jdolecek if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
559 1.1 jdolecek
560 1.1 jdolecek if (vflush(mp,NULLVP,0))
561 1.1 jdolecek dprintf(("ntfs_mountfs: vflush failed\n"));
562 1.1 jdolecek
563 1.1 jdolecek out:
564 1.1 jdolecek devvp->v_specmountpoint = NULL;
565 1.1 jdolecek if (bp)
566 1.1 jdolecek brelse(bp);
567 1.1 jdolecek
568 1.1 jdolecek return (error);
569 1.1 jdolecek }
570 1.1 jdolecek
571 1.1 jdolecek static int
572 1.1 jdolecek ntfs_start (
573 1.1 jdolecek struct mount *mp,
574 1.1 jdolecek int flags,
575 1.10 fvdl struct proc *p )
576 1.1 jdolecek {
577 1.1 jdolecek return (0);
578 1.1 jdolecek }
579 1.1 jdolecek
580 1.1 jdolecek static int
581 1.29 perry ntfs_unmount(
582 1.1 jdolecek struct mount *mp,
583 1.1 jdolecek int mntflags,
584 1.10 fvdl struct proc *p)
585 1.1 jdolecek {
586 1.1 jdolecek struct ntfsmount *ntmp;
587 1.1 jdolecek int error, ronly = 0, flags, i;
588 1.1 jdolecek
589 1.1 jdolecek dprintf(("ntfs_unmount: unmounting...\n"));
590 1.1 jdolecek ntmp = VFSTONTFS(mp);
591 1.1 jdolecek
592 1.1 jdolecek flags = 0;
593 1.1 jdolecek if(mntflags & MNT_FORCE)
594 1.1 jdolecek flags |= FORCECLOSE;
595 1.1 jdolecek
596 1.1 jdolecek dprintf(("ntfs_unmount: vflushing...\n"));
597 1.1 jdolecek error = vflush(mp,NULLVP,flags | SKIPSYSTEM);
598 1.1 jdolecek if (error) {
599 1.1 jdolecek dprintf(("ntfs_unmount: vflush failed: %d\n",error));
600 1.1 jdolecek return (error);
601 1.1 jdolecek }
602 1.1 jdolecek
603 1.1 jdolecek /* Check if only system vnodes are rest */
604 1.1 jdolecek for(i=0;i<NTFS_SYSNODESNUM;i++)
605 1.29 perry if((ntmp->ntm_sysvn[i]) &&
606 1.1 jdolecek (ntmp->ntm_sysvn[i]->v_usecount > 1)) return (EBUSY);
607 1.1 jdolecek
608 1.1 jdolecek /* Dereference all system vnodes */
609 1.1 jdolecek for(i=0;i<NTFS_SYSNODESNUM;i++)
610 1.1 jdolecek if(ntmp->ntm_sysvn[i]) vrele(ntmp->ntm_sysvn[i]);
611 1.1 jdolecek
612 1.1 jdolecek /* vflush system vnodes */
613 1.1 jdolecek error = vflush(mp,NULLVP,flags);
614 1.1 jdolecek if (error) {
615 1.1 jdolecek /* XXX should this be panic() ? */
616 1.1 jdolecek printf("ntfs_unmount: vflush failed(sysnodes): %d\n",error);
617 1.1 jdolecek }
618 1.1 jdolecek
619 1.1 jdolecek /* Check if the type of device node isn't VBAD before
620 1.1 jdolecek * touching v_specinfo. If the device vnode is revoked, the
621 1.1 jdolecek * field is NULL and touching it causes null pointer derefercence.
622 1.1 jdolecek */
623 1.1 jdolecek if (ntmp->ntm_devvp->v_type != VBAD)
624 1.1 jdolecek ntmp->ntm_devvp->v_specmountpoint = NULL;
625 1.1 jdolecek
626 1.10 fvdl vinvalbuf(ntmp->ntm_devvp, V_SAVE, NOCRED, p, 0, 0);
627 1.1 jdolecek
628 1.1 jdolecek /* lock the device vnode before calling VOP_CLOSE() */
629 1.23 yamt vn_lock(ntmp->ntm_devvp, LK_EXCLUSIVE | LK_RETRY);
630 1.1 jdolecek error = VOP_CLOSE(ntmp->ntm_devvp, ronly ? FREAD : FREAD|FWRITE,
631 1.10 fvdl NOCRED, p);
632 1.3 jdolecek VOP_UNLOCK(ntmp->ntm_devvp, 0);
633 1.1 jdolecek
634 1.1 jdolecek vrele(ntmp->ntm_devvp);
635 1.1 jdolecek
636 1.1 jdolecek /* free the toupper table, if this has been last mounted ntfs volume */
637 1.1 jdolecek ntfs_toupper_unuse();
638 1.1 jdolecek
639 1.1 jdolecek dprintf(("ntfs_umount: freeing memory...\n"));
640 1.1 jdolecek mp->mnt_data = NULL;
641 1.1 jdolecek mp->mnt_flag &= ~MNT_LOCAL;
642 1.1 jdolecek free(ntmp->ntm_ad, M_NTFSMNT);
643 1.1 jdolecek FREE(ntmp, M_NTFSMNT);
644 1.1 jdolecek return (error);
645 1.1 jdolecek }
646 1.1 jdolecek
647 1.1 jdolecek static int
648 1.1 jdolecek ntfs_root(
649 1.1 jdolecek struct mount *mp,
650 1.10 fvdl struct vnode **vpp )
651 1.1 jdolecek {
652 1.1 jdolecek struct vnode *nvp;
653 1.1 jdolecek int error = 0;
654 1.1 jdolecek
655 1.1 jdolecek dprintf(("ntfs_root(): sysvn: %p\n",
656 1.1 jdolecek VFSTONTFS(mp)->ntm_sysvn[NTFS_ROOTINO]));
657 1.9 thorpej error = VFS_VGET(mp, (ino_t)NTFS_ROOTINO, &nvp);
658 1.1 jdolecek if(error) {
659 1.1 jdolecek printf("ntfs_root: VFS_VGET failed: %d\n",error);
660 1.1 jdolecek return (error);
661 1.1 jdolecek }
662 1.1 jdolecek
663 1.1 jdolecek *vpp = nvp;
664 1.1 jdolecek return (0);
665 1.1 jdolecek }
666 1.1 jdolecek
667 1.11 jdolecek /*
668 1.11 jdolecek * Do operations associated with quotas, not supported
669 1.11 jdolecek */
670 1.11 jdolecek /* ARGSUSED */
671 1.1 jdolecek static int
672 1.29 perry ntfs_quotactl (
673 1.1 jdolecek struct mount *mp,
674 1.1 jdolecek int cmds,
675 1.1 jdolecek uid_t uid,
676 1.19 jrf void *arg,
677 1.10 fvdl struct proc *p)
678 1.1 jdolecek {
679 1.11 jdolecek
680 1.1 jdolecek return EOPNOTSUPP;
681 1.1 jdolecek }
682 1.1 jdolecek
683 1.1 jdolecek int
684 1.1 jdolecek ntfs_calccfree(
685 1.1 jdolecek struct ntfsmount *ntmp,
686 1.1 jdolecek cn_t *cfreep)
687 1.1 jdolecek {
688 1.1 jdolecek struct vnode *vp;
689 1.1 jdolecek u_int8_t *tmp;
690 1.1 jdolecek int j, error;
691 1.16 jdolecek cn_t cfree = 0;
692 1.1 jdolecek size_t bmsize, i;
693 1.1 jdolecek
694 1.1 jdolecek vp = ntmp->ntm_sysvn[NTFS_BITMAPINO];
695 1.1 jdolecek
696 1.1 jdolecek bmsize = VTOF(vp)->f_size;
697 1.1 jdolecek
698 1.1 jdolecek tmp = (u_int8_t *) malloc(bmsize, M_TEMP, M_WAITOK);
699 1.1 jdolecek
700 1.1 jdolecek error = ntfs_readattr(ntmp, VTONT(vp), NTFS_A_DATA, NULL,
701 1.1 jdolecek 0, bmsize, tmp, NULL);
702 1.1 jdolecek if (error)
703 1.1 jdolecek goto out;
704 1.1 jdolecek
705 1.1 jdolecek for(i=0;i<bmsize;i++)
706 1.1 jdolecek for(j=0;j<8;j++)
707 1.1 jdolecek if(~tmp[i] & (1 << j)) cfree++;
708 1.1 jdolecek *cfreep = cfree;
709 1.1 jdolecek
710 1.1 jdolecek out:
711 1.1 jdolecek free(tmp, M_TEMP);
712 1.1 jdolecek return(error);
713 1.1 jdolecek }
714 1.1 jdolecek
715 1.1 jdolecek static int
716 1.18 christos ntfs_statvfs(
717 1.1 jdolecek struct mount *mp,
718 1.18 christos struct statvfs *sbp,
719 1.10 fvdl struct proc *p)
720 1.1 jdolecek {
721 1.1 jdolecek struct ntfsmount *ntmp = VFSTONTFS(mp);
722 1.1 jdolecek u_int64_t mftallocated;
723 1.1 jdolecek
724 1.18 christos dprintf(("ntfs_statvfs():\n"));
725 1.1 jdolecek
726 1.1 jdolecek mftallocated = VTOF(ntmp->ntm_sysvn[NTFS_MFTINO])->f_allocated;
727 1.1 jdolecek
728 1.1 jdolecek #if defined(__FreeBSD__)
729 1.1 jdolecek sbp->f_type = mp->mnt_vfc->vfc_typenum;
730 1.1 jdolecek #endif
731 1.1 jdolecek sbp->f_bsize = ntmp->ntm_bps;
732 1.18 christos sbp->f_frsize = sbp->f_bsize; /* XXX */
733 1.1 jdolecek sbp->f_iosize = ntmp->ntm_bps * ntmp->ntm_spc;
734 1.1 jdolecek sbp->f_blocks = ntmp->ntm_bootfile.bf_spv;
735 1.1 jdolecek sbp->f_bfree = sbp->f_bavail = ntfs_cntobn(ntmp->ntm_cfree);
736 1.18 christos sbp->f_ffree = sbp->f_favail = sbp->f_bfree / ntmp->ntm_bpmftrec;
737 1.1 jdolecek sbp->f_files = mftallocated / ntfs_bntob(ntmp->ntm_bpmftrec) +
738 1.18 christos sbp->f_ffree;
739 1.18 christos sbp->f_fresvd = sbp->f_bresvd = 0; /* XXX */
740 1.18 christos sbp->f_flag = mp->mnt_flag;
741 1.18 christos copy_statvfs_info(sbp, mp);
742 1.1 jdolecek return (0);
743 1.1 jdolecek }
744 1.1 jdolecek
745 1.1 jdolecek static int
746 1.1 jdolecek ntfs_sync (
747 1.1 jdolecek struct mount *mp,
748 1.1 jdolecek int waitfor,
749 1.1 jdolecek struct ucred *cred,
750 1.10 fvdl struct proc *p)
751 1.1 jdolecek {
752 1.1 jdolecek /*dprintf(("ntfs_sync():\n"));*/
753 1.1 jdolecek return (0);
754 1.1 jdolecek }
755 1.1 jdolecek
756 1.1 jdolecek /*ARGSUSED*/
757 1.1 jdolecek static int
758 1.1 jdolecek ntfs_fhtovp(
759 1.1 jdolecek #if defined(__FreeBSD__)
760 1.1 jdolecek struct mount *mp,
761 1.1 jdolecek struct fid *fhp,
762 1.1 jdolecek struct sockaddr *nam,
763 1.1 jdolecek struct vnode **vpp,
764 1.1 jdolecek int *exflagsp,
765 1.1 jdolecek struct ucred **credanonp)
766 1.1 jdolecek #elif defined(__NetBSD__)
767 1.1 jdolecek struct mount *mp,
768 1.1 jdolecek struct fid *fhp,
769 1.9 thorpej struct vnode **vpp)
770 1.1 jdolecek #else
771 1.1 jdolecek struct mount *mp,
772 1.1 jdolecek struct fid *fhp,
773 1.1 jdolecek struct mbuf *nam,
774 1.1 jdolecek struct vnode **vpp,
775 1.1 jdolecek int *exflagsp,
776 1.1 jdolecek struct ucred **credanonp)
777 1.1 jdolecek #endif
778 1.1 jdolecek {
779 1.1 jdolecek struct ntfid *ntfhp = (struct ntfid *)fhp;
780 1.1 jdolecek int error;
781 1.1 jdolecek
782 1.35 christos ddprintf(("ntfs_fhtovp(): %s: %llu\n", mp->mnt_stat.f_mntonname,
783 1.35 christos (unsigned long long)ntfhp->ntfid_ino));
784 1.1 jdolecek
785 1.1 jdolecek error = ntfs_vgetex(mp, ntfhp->ntfid_ino, ntfhp->ntfid_attr, NULL,
786 1.10 fvdl LK_EXCLUSIVE | LK_RETRY, 0, curproc, vpp); /* XXX */
787 1.1 jdolecek if (error != 0) {
788 1.1 jdolecek *vpp = NULLVP;
789 1.1 jdolecek return (error);
790 1.1 jdolecek }
791 1.1 jdolecek
792 1.1 jdolecek /* XXX as unlink/rmdir/mkdir/creat are not currently possible
793 1.1 jdolecek * with NTFS, we don't need to check anything else for now */
794 1.1 jdolecek return (0);
795 1.1 jdolecek }
796 1.1 jdolecek
797 1.1 jdolecek static int
798 1.1 jdolecek ntfs_vptofh(
799 1.1 jdolecek struct vnode *vp,
800 1.1 jdolecek struct fid *fhp)
801 1.1 jdolecek {
802 1.1 jdolecek struct ntnode *ntp;
803 1.1 jdolecek struct ntfid *ntfhp;
804 1.1 jdolecek struct fnode *fn;
805 1.1 jdolecek
806 1.1 jdolecek ddprintf(("ntfs_fhtovp(): %s: %p\n", vp->v_mount->mnt_stat.f_mntonname,
807 1.1 jdolecek vp));
808 1.1 jdolecek
809 1.1 jdolecek fn = VTOF(vp);
810 1.1 jdolecek ntp = VTONT(vp);
811 1.1 jdolecek ntfhp = (struct ntfid *)fhp;
812 1.1 jdolecek ntfhp->ntfid_len = sizeof(struct ntfid);
813 1.1 jdolecek ntfhp->ntfid_ino = ntp->i_number;
814 1.1 jdolecek ntfhp->ntfid_attr = fn->f_attrtype;
815 1.1 jdolecek #ifdef notyet
816 1.1 jdolecek ntfhp->ntfid_gen = ntp->i_gen;
817 1.1 jdolecek #endif
818 1.1 jdolecek return (0);
819 1.1 jdolecek }
820 1.1 jdolecek
821 1.1 jdolecek int
822 1.1 jdolecek ntfs_vgetex(
823 1.1 jdolecek struct mount *mp,
824 1.1 jdolecek ino_t ino,
825 1.1 jdolecek u_int32_t attrtype,
826 1.1 jdolecek char *attrname,
827 1.1 jdolecek u_long lkflags,
828 1.1 jdolecek u_long flags,
829 1.10 fvdl struct proc *p,
830 1.29 perry struct vnode **vpp)
831 1.1 jdolecek {
832 1.1 jdolecek int error;
833 1.1 jdolecek struct ntfsmount *ntmp;
834 1.1 jdolecek struct ntnode *ip;
835 1.1 jdolecek struct fnode *fp;
836 1.1 jdolecek struct vnode *vp;
837 1.13 christos enum vtype f_type = VBAD;
838 1.1 jdolecek
839 1.35 christos dprintf(("ntfs_vgetex: ino: %llu, attr: 0x%x:%s, lkf: 0x%lx, f:"
840 1.35 christos " 0x%lx\n", (unsigned long long)ino, attrtype,
841 1.35 christos attrname ? attrname : "", (u_long)lkflags, (u_long)flags));
842 1.1 jdolecek
843 1.1 jdolecek ntmp = VFSTONTFS(mp);
844 1.1 jdolecek *vpp = NULL;
845 1.1 jdolecek
846 1.1 jdolecek /* Get ntnode */
847 1.1 jdolecek error = ntfs_ntlookup(ntmp, ino, &ip);
848 1.1 jdolecek if (error) {
849 1.1 jdolecek printf("ntfs_vget: ntfs_ntget failed\n");
850 1.1 jdolecek return (error);
851 1.1 jdolecek }
852 1.1 jdolecek
853 1.1 jdolecek /* It may be not initialized fully, so force load it */
854 1.1 jdolecek if (!(flags & VG_DONTLOADIN) && !(ip->i_flag & IN_LOADED)) {
855 1.1 jdolecek error = ntfs_loadntnode(ntmp, ip);
856 1.1 jdolecek if(error) {
857 1.32 christos printf("ntfs_vget: CAN'T LOAD ATTRIBUTES FOR INO:"
858 1.32 christos " %llu\n", (unsigned long long)ip->i_number);
859 1.1 jdolecek ntfs_ntput(ip);
860 1.1 jdolecek return (error);
861 1.1 jdolecek }
862 1.1 jdolecek }
863 1.1 jdolecek
864 1.1 jdolecek error = ntfs_fget(ntmp, ip, attrtype, attrname, &fp);
865 1.1 jdolecek if (error) {
866 1.1 jdolecek printf("ntfs_vget: ntfs_fget failed\n");
867 1.1 jdolecek ntfs_ntput(ip);
868 1.1 jdolecek return (error);
869 1.1 jdolecek }
870 1.1 jdolecek
871 1.1 jdolecek if (!(flags & VG_DONTVALIDFN) && !(fp->f_flag & FN_VALID)) {
872 1.1 jdolecek if ((ip->i_frflag & NTFS_FRFLAG_DIR) &&
873 1.1 jdolecek (fp->f_attrtype == NTFS_A_DATA && fp->f_attrname == NULL)) {
874 1.1 jdolecek f_type = VDIR;
875 1.1 jdolecek } else if (flags & VG_EXT) {
876 1.1 jdolecek f_type = VNON;
877 1.1 jdolecek fp->f_size = fp->f_allocated = 0;
878 1.1 jdolecek } else {
879 1.29 perry f_type = VREG;
880 1.1 jdolecek
881 1.29 perry error = ntfs_filesize(ntmp, fp,
882 1.1 jdolecek &fp->f_size, &fp->f_allocated);
883 1.1 jdolecek if (error) {
884 1.1 jdolecek ntfs_ntput(ip);
885 1.1 jdolecek return (error);
886 1.1 jdolecek }
887 1.1 jdolecek }
888 1.1 jdolecek
889 1.1 jdolecek fp->f_flag |= FN_VALID;
890 1.1 jdolecek }
891 1.1 jdolecek
892 1.1 jdolecek /*
893 1.1 jdolecek * We may be calling vget() now. To avoid potential deadlock, we need
894 1.1 jdolecek * to release ntnode lock, since due to locking order vnode
895 1.1 jdolecek * lock has to be acquired first.
896 1.1 jdolecek * ntfs_fget() bumped ntnode usecount, so ntnode won't be recycled
897 1.1 jdolecek * prematurely.
898 1.1 jdolecek */
899 1.1 jdolecek ntfs_ntput(ip);
900 1.1 jdolecek
901 1.1 jdolecek if (FTOV(fp)) {
902 1.1 jdolecek /* vget() returns error if the vnode has been recycled */
903 1.9 thorpej if (vget(FTOV(fp), lkflags) == 0) {
904 1.1 jdolecek *vpp = FTOV(fp);
905 1.1 jdolecek return (0);
906 1.1 jdolecek }
907 1.1 jdolecek }
908 1.1 jdolecek
909 1.1 jdolecek error = getnewvnode(VT_NTFS, ntmp->ntm_mountp, ntfs_vnodeop_p, &vp);
910 1.1 jdolecek if(error) {
911 1.1 jdolecek ntfs_frele(fp);
912 1.1 jdolecek ntfs_ntput(ip);
913 1.1 jdolecek return (error);
914 1.1 jdolecek }
915 1.35 christos dprintf(("ntfs_vget: vnode: %p for ntnode: %llu\n", vp,
916 1.35 christos (unsigned long long)ino));
917 1.1 jdolecek
918 1.1 jdolecek #ifdef __FreeBSD__
919 1.1 jdolecek lockinit(&fp->f_lock, PINOD, "fnode", 0, 0);
920 1.1 jdolecek #endif
921 1.1 jdolecek fp->f_vp = vp;
922 1.1 jdolecek vp->v_data = fp;
923 1.14 christos if (f_type != VBAD)
924 1.14 christos vp->v_type = f_type;
925 1.1 jdolecek
926 1.1 jdolecek if (ino == NTFS_ROOTINO)
927 1.1 jdolecek vp->v_flag |= VROOT;
928 1.1 jdolecek
929 1.1 jdolecek if (lkflags & LK_TYPE_MASK) {
930 1.3 jdolecek error = vn_lock(vp, lkflags);
931 1.1 jdolecek if (error) {
932 1.1 jdolecek vput(vp);
933 1.1 jdolecek return (error);
934 1.1 jdolecek }
935 1.1 jdolecek }
936 1.1 jdolecek
937 1.1 jdolecek genfs_node_init(vp, &ntfs_genfsops);
938 1.1 jdolecek VREF(ip->i_devvp);
939 1.1 jdolecek *vpp = vp;
940 1.1 jdolecek return (0);
941 1.1 jdolecek }
942 1.1 jdolecek
943 1.1 jdolecek static int
944 1.1 jdolecek ntfs_vget(
945 1.1 jdolecek struct mount *mp,
946 1.1 jdolecek ino_t ino,
947 1.29 perry struct vnode **vpp)
948 1.1 jdolecek {
949 1.1 jdolecek return ntfs_vgetex(mp, ino, NTFS_A_DATA, NULL,
950 1.10 fvdl LK_EXCLUSIVE | LK_RETRY, 0, curproc, vpp); /* XXX */
951 1.1 jdolecek }
952 1.1 jdolecek
953 1.1 jdolecek #if defined(__FreeBSD__)
954 1.1 jdolecek static struct vfsops ntfs_vfsops = {
955 1.1 jdolecek ntfs_mount,
956 1.1 jdolecek ntfs_start,
957 1.1 jdolecek ntfs_unmount,
958 1.1 jdolecek ntfs_root,
959 1.1 jdolecek ntfs_quotactl,
960 1.18 christos ntfs_statvfs,
961 1.1 jdolecek ntfs_sync,
962 1.1 jdolecek ntfs_vget,
963 1.1 jdolecek ntfs_fhtovp,
964 1.1 jdolecek ntfs_vptofh,
965 1.1 jdolecek ntfs_init,
966 1.1 jdolecek NULL
967 1.1 jdolecek };
968 1.1 jdolecek VFS_SET(ntfs_vfsops, ntfs, 0);
969 1.1 jdolecek #elif defined(__NetBSD__)
970 1.1 jdolecek extern const struct vnodeopv_desc ntfs_vnodeop_opv_desc;
971 1.1 jdolecek
972 1.1 jdolecek const struct vnodeopv_desc * const ntfs_vnodeopv_descs[] = {
973 1.1 jdolecek &ntfs_vnodeop_opv_desc,
974 1.1 jdolecek NULL,
975 1.1 jdolecek };
976 1.1 jdolecek
977 1.1 jdolecek struct vfsops ntfs_vfsops = {
978 1.1 jdolecek MOUNT_NTFS,
979 1.1 jdolecek ntfs_mount,
980 1.1 jdolecek ntfs_start,
981 1.1 jdolecek ntfs_unmount,
982 1.1 jdolecek ntfs_root,
983 1.1 jdolecek ntfs_quotactl,
984 1.18 christos ntfs_statvfs,
985 1.1 jdolecek ntfs_sync,
986 1.1 jdolecek ntfs_vget,
987 1.1 jdolecek ntfs_fhtovp,
988 1.1 jdolecek ntfs_vptofh,
989 1.1 jdolecek ntfs_init,
990 1.1 jdolecek ntfs_reinit,
991 1.1 jdolecek ntfs_done,
992 1.1 jdolecek ntfs_mountroot,
993 1.22 hannken (int (*)(struct mount *, struct vnode *, struct timespec *)) eopnotsupp,
994 1.26 thorpej vfs_stdextattrctl,
995 1.1 jdolecek ntfs_vnodeopv_descs,
996 1.1 jdolecek };
997 1.30 thorpej VFS_ATTACH(ntfs_vfsops);
998 1.1 jdolecek #endif
999