VFS messaging/interfacing work stage 1/99. This stage replaces the old
[dragonfly.git] / sys / vfs / hpfs / hpfs_vnops.c
CommitLineData
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1/*-
2 * Copyright (c) 1998, 1999 Semen Ustimenko (semenu@FreeBSD.org)
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/fs/hpfs/hpfs_vnops.c,v 1.2.2.2 2002/01/15 18:35:09 semenu Exp $
2d3e977e 27 * $DragonFly: src/sys/vfs/hpfs/hpfs_vnops.c,v 1.15 2004/08/13 17:51:11 dillon Exp $
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28 */
29
30#include <sys/param.h>
31#include <sys/systm.h>
32#include <sys/kernel.h>
33#include <sys/proc.h>
34#include <sys/time.h>
35#include <sys/types.h>
36#include <sys/stat.h>
37#include <sys/vnode.h>
38#include <sys/mount.h>
39#include <sys/namei.h>
40#include <sys/malloc.h>
41#include <sys/buf.h>
42#include <sys/dirent.h>
43
44#include <vm/vm.h>
45#include <vm/vm_param.h>
08c23b99 46#if !defined(__DragonFly__)
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47#include <vm/vm_prot.h>
48#endif
49#include <vm/vm_page.h>
50#include <vm/vm_object.h>
51#include <vm/vm_pager.h>
52#include <vm/vm_zone.h>
08c23b99 53#if defined(__DragonFly__)
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54#include <vm/vnode_pager.h>
55#endif
56#include <vm/vm_extern.h>
7d1b9a3b 57#include <sys/buf2.h>
984263bc 58
08c23b99 59#if !defined(__DragonFly__)
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60#include <miscfs/specfs/specdev.h>
61#include <miscfs/genfs/genfs.h>
62#endif
63
64#include <sys/unistd.h> /* for pathconf(2) constants */
65
1f2de5d4
MD
66#include "hpfs.h"
67#include "hpfsmount.h"
68#include "hpfs_subr.h"
69#include "hpfs_ioctl.h"
984263bc 70
a6ee311a
RG
71static int hpfs_de_uiomove (struct hpfsmount *, struct hpfsdirent *,
72 struct uio *);
73static int hpfs_ioctl (struct vop_ioctl_args *ap);
74static int hpfs_read (struct vop_read_args *);
75static int hpfs_write (struct vop_write_args *ap);
76static int hpfs_getattr (struct vop_getattr_args *ap);
77static int hpfs_setattr (struct vop_setattr_args *ap);
78static int hpfs_inactive (struct vop_inactive_args *ap);
79static int hpfs_print (struct vop_print_args *ap);
80static int hpfs_reclaim (struct vop_reclaim_args *ap);
81static int hpfs_strategy (struct vop_strategy_args *ap);
82static int hpfs_access (struct vop_access_args *ap);
83static int hpfs_open (struct vop_open_args *ap);
84static int hpfs_close (struct vop_close_args *ap);
85static int hpfs_readdir (struct vop_readdir_args *ap);
86static int hpfs_lookup (struct vop_lookup_args *ap);
87static int hpfs_create (struct vop_create_args *);
88static int hpfs_remove (struct vop_remove_args *);
89static int hpfs_bmap (struct vop_bmap_args *ap);
08c23b99 90#if defined(__DragonFly__)
a6ee311a
RG
91static int hpfs_getpages (struct vop_getpages_args *ap);
92static int hpfs_putpages (struct vop_putpages_args *);
93static int hpfs_fsync (struct vop_fsync_args *ap);
984263bc 94#endif
a6ee311a 95static int hpfs_pathconf (struct vop_pathconf_args *ap);
984263bc 96
08c23b99 97#if defined(__DragonFly__)
984263bc 98int
dd3af26c 99hpfs_getpages(struct vop_getpages_args *ap)
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MD
100{
101 return vnode_pager_generic_getpages(ap->a_vp, ap->a_m, ap->a_count,
102 ap->a_reqpage);
103}
104
105int
dd3af26c 106hpfs_putpages(struct vop_putpages_args *ap)
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MD
107{
108 return vnode_pager_generic_putpages(ap->a_vp, ap->a_m, ap->a_count,
109 ap->a_sync, ap->a_rtvals);
110}
111
dd3af26c
CP
112/*
113 * hpfs_fsync(struct vnode *a_vp, struct ucred *a_cred, int a_waitfor,
114 * struct proc *a_td)
115 */
984263bc 116static int
dd3af26c 117hpfs_fsync(struct vop_fsync_args *ap)
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MD
118{
119 struct vnode *vp = ap->a_vp;
120 int s;
121 struct buf *bp, *nbp;
122
123 /*
124 * Flush all dirty buffers associated with a vnode.
125 */
126loop:
127 s = splbio();
128 for (bp = TAILQ_FIRST(&vp->v_dirtyblkhd); bp; bp = nbp) {
129 nbp = TAILQ_NEXT(bp, b_vnbufs);
130 if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_NOWAIT))
131 continue;
132 if ((bp->b_flags & B_DELWRI) == 0)
133 panic("hpfs_fsync: not dirty");
134 bremfree(bp);
135 splx(s);
136 (void) bwrite(bp);
137 goto loop;
138 }
139 while (vp->v_numoutput) {
140 vp->v_flag |= VBWAIT;
377d4740 141 (void) tsleep((caddr_t)&vp->v_numoutput, 0, "hpfsn", 0);
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MD
142 }
143#ifdef DIAGNOSTIC
144 if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) {
145 vprint("hpfs_fsync: dirty", vp);
146 goto loop;
147 }
148#endif
149 splx(s);
150
151 /*
152 * Write out the on-disc version of the vnode.
153 */
154 return hpfs_update(VTOHP(vp));
155}
156
157#endif
158
dd3af26c
CP
159/*
160 * hpfs_ioctl(struct vnode *a_vp, u_long a_command, caddr_t a_data,
161 * int a_fflag, struct ucred *a_cred, struct proc *a_td)
162 */
984263bc 163static int
dd3af26c 164hpfs_ioctl(struct vop_ioctl_args *ap)
984263bc 165{
f7aae92f
RG
166 struct vnode *vp = ap->a_vp;
167 struct hpfsnode *hp = VTOHP(vp);
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168 int error;
169
170 printf("hpfs_ioctl(0x%x, 0x%lx, 0x%p, 0x%x): ",
171 hp->h_no, ap->a_command, ap->a_data, ap->a_fflag);
172
173 switch (ap->a_command) {
174 case HPFSIOCGEANUM: {
175 u_long eanum;
176 u_long passed;
177 struct ea *eap;
178
179 eanum = 0;
180
181 if (hp->h_fn.fn_ealen > 0) {
182 eap = (struct ea *)&(hp->h_fn.fn_int);
183 passed = 0;
184
185 while (passed < hp->h_fn.fn_ealen) {
186
187 printf("EAname: %s\n", EA_NAME(eap));
188
189 eanum++;
190 passed += sizeof(struct ea) +
191 eap->ea_namelen + 1 + eap->ea_vallen;
192 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
193 passed);
194 }
195 error = 0;
196 } else {
197 error = ENOENT;
198 }
199
200 printf("%lu eas\n", eanum);
201
202 *(u_long *)ap->a_data = eanum;
203
204 break;
205 }
206 case HPFSIOCGEASZ: {
207 u_long eanum;
208 u_long passed;
209 struct ea *eap;
210
211 printf("EA%ld\n", *(u_long *)ap->a_data);
212
213 eanum = 0;
214 if (hp->h_fn.fn_ealen > 0) {
215 eap = (struct ea *)&(hp->h_fn.fn_int);
216 passed = 0;
217
218 error = ENOENT;
219 while (passed < hp->h_fn.fn_ealen) {
220 printf("EAname: %s\n", EA_NAME(eap));
221
222 if (eanum == *(u_long *)ap->a_data) {
223 *(u_long *)ap->a_data =
224 eap->ea_namelen + 1 +
225 eap->ea_vallen;
226
227 error = 0;
228 break;
229 }
230
231 eanum++;
232 passed += sizeof(struct ea) +
233 eap->ea_namelen + 1 + eap->ea_vallen;
234 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
235 passed);
236 }
237 } else {
238 error = ENOENT;
239 }
240
241 break;
242 }
243 case HPFSIOCRDEA: {
244 u_long eanum;
245 u_long passed;
246 struct hpfs_rdea *rdeap;
247 struct ea *eap;
248
249 rdeap = (struct hpfs_rdea *)ap->a_data;
250 printf("EA%ld\n", rdeap->ea_no);
251
252 eanum = 0;
253 if (hp->h_fn.fn_ealen > 0) {
254 eap = (struct ea *)&(hp->h_fn.fn_int);
255 passed = 0;
256
257 error = ENOENT;
258 while (passed < hp->h_fn.fn_ealen) {
259 printf("EAname: %s\n", EA_NAME(eap));
260
261 if (eanum == rdeap->ea_no) {
262 rdeap->ea_sz = eap->ea_namelen + 1 +
263 eap->ea_vallen;
264 copyout(EA_NAME(eap),rdeap->ea_data,
265 rdeap->ea_sz);
266 error = 0;
267 break;
268 }
269
270 eanum++;
271 passed += sizeof(struct ea) +
272 eap->ea_namelen + 1 + eap->ea_vallen;
273 eap = (struct ea *)((caddr_t)hp->h_fn.fn_int +
274 passed);
275 }
276 } else {
277 error = ENOENT;
278 }
279
280 break;
281 }
282 default:
283 error = EOPNOTSUPP;
284 break;
285 }
286 return (error);
287}
288
289/*
290 * Map file offset to disk offset.
dd3af26c
CP
291 *
292 * hpfs_bmap(struct vnode *a_vp, daddr_t a_bn, struct vnode **a_vpp,
293 * daddr_t *a_bnp, int *a_runp, int *a_runb)
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MD
294 */
295int
dd3af26c 296hpfs_bmap(struct vop_bmap_args *ap)
984263bc 297{
f7aae92f 298 struct hpfsnode *hp = VTOHP(ap->a_vp);
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MD
299 int error;
300
301 if (ap->a_vpp != NULL)
302 *ap->a_vpp = hp->h_devvp;
08c23b99 303#if defined(__DragonFly__)
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MD
304 if (ap->a_runb != NULL)
305 *ap->a_runb = 0;
306#endif
307 if (ap->a_bnp == NULL)
308 return (0);
309
310 dprintf(("hpfs_bmap(0x%x, 0x%x): ",hp->h_no, ap->a_bn));
311
312 error = hpfs_hpbmap (hp, ap->a_bn, ap->a_bnp, ap->a_runp);
313
314 return (error);
315}
316
dd3af26c
CP
317/*
318 * hpfs_read(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
319 * struct ucred *a_cred)
320 */
984263bc 321static int
dd3af26c 322hpfs_read(struct vop_read_args *ap)
984263bc 323{
f7aae92f
RG
324 struct vnode *vp = ap->a_vp;
325 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
326 struct uio *uio = ap->a_uio;
327 struct buf *bp;
328 u_int xfersz, toread;
329 u_int off;
330 daddr_t lbn, bn;
331 int resid;
332 int runl;
333 int error = 0;
334
335 resid = min (uio->uio_resid, hp->h_fn.fn_size - uio->uio_offset);
336
337 dprintf(("hpfs_read(0x%x, off: %d resid: %d, segflg: %d): [resid: 0x%x]\n",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg, resid));
338
339 while (resid) {
340 lbn = uio->uio_offset >> DEV_BSHIFT;
341 off = uio->uio_offset & (DEV_BSIZE - 1);
342 dprintf(("hpfs_read: resid: 0x%x lbn: 0x%x off: 0x%x\n",
343 uio->uio_resid, lbn, off));
344 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
345 if (error)
346 return (error);
347
348 toread = min(off + resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
349 xfersz = (toread + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
350 dprintf(("hpfs_read: bn: 0x%x (0x%x) toread: 0x%x (0x%x)\n",
351 bn, runl, toread, xfersz));
352
353 if (toread == 0)
354 break;
355
7d1b9a3b 356 error = bread(hp->h_devvp, bn, xfersz, &bp);
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MD
357 if (error) {
358 brelse(bp);
359 break;
360 }
361
362 error = uiomove(bp->b_data + off, toread - off, uio);
363 if(error) {
364 brelse(bp);
365 break;
366 }
367 brelse(bp);
368 resid -= toread;
369 }
370 dprintf(("hpfs_read: successful\n"));
371 return (error);
372}
373
dd3af26c
CP
374/*
375 * hpfs_write(struct vnode *a_vp, struct uio *a_uio, int a_ioflag,
376 * struct ucred *a_cred)
377 */
984263bc 378static int
dd3af26c 379hpfs_write(struct vop_write_args *ap)
984263bc 380{
f7aae92f
RG
381 struct vnode *vp = ap->a_vp;
382 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
383 struct uio *uio = ap->a_uio;
384 struct buf *bp;
385 u_int xfersz, towrite;
386 u_int off;
387 daddr_t lbn, bn;
388 int runl;
389 int error = 0;
390
391 dprintf(("hpfs_write(0x%x, off: %d resid: %d, segflg: %d):\n",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid,uio->uio_segflg));
392
393 if (ap->a_ioflag & IO_APPEND) {
394 dprintf(("hpfs_write: APPEND mode\n"));
395 uio->uio_offset = hp->h_fn.fn_size;
396 }
397 if (uio->uio_offset + uio->uio_resid > hp->h_fn.fn_size) {
398 error = hpfs_extend (hp, uio->uio_offset + uio->uio_resid);
399 if (error) {
400 printf("hpfs_write: hpfs_extend FAILED %d\n", error);
401 return (error);
402 }
403 }
404
405 while (uio->uio_resid) {
406 lbn = uio->uio_offset >> DEV_BSHIFT;
407 off = uio->uio_offset & (DEV_BSIZE - 1);
408 dprintf(("hpfs_write: resid: 0x%x lbn: 0x%x off: 0x%x\n",
409 uio->uio_resid, lbn, off));
410 error = hpfs_hpbmap(hp, lbn, &bn, &runl);
411 if (error)
412 return (error);
413
414 towrite = min(off + uio->uio_resid, min(DFLTPHYS, (runl+1)*DEV_BSIZE));
415 xfersz = (towrite + DEV_BSIZE - 1) & ~(DEV_BSIZE - 1);
416 dprintf(("hpfs_write: bn: 0x%x (0x%x) towrite: 0x%x (0x%x)\n",
417 bn, runl, towrite, xfersz));
418
419 if ((off == 0) && (towrite == xfersz)) {
420 bp = getblk(hp->h_devvp, bn, xfersz, 0, 0);
421 clrbuf(bp);
422 } else {
7d1b9a3b 423 error = bread(hp->h_devvp, bn, xfersz, &bp);
984263bc
MD
424 if (error) {
425 brelse(bp);
426 return (error);
427 }
428 }
429
430 error = uiomove(bp->b_data + off, towrite - off, uio);
431 if(error) {
432 brelse(bp);
433 return (error);
434 }
435
436 if (ap->a_ioflag & IO_SYNC)
437 bwrite(bp);
438 else
439 bawrite(bp);
440 }
441
442 dprintf(("hpfs_write: successful\n"));
443 return (0);
444}
445
446/*
447 * XXXXX do we need hpfsnode locking inside?
dd3af26c
CP
448 *
449 * hpfs_getattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
450 * struct proc *a_td)
984263bc
MD
451 */
452static int
dd3af26c 453hpfs_getattr(struct vop_getattr_args *ap)
984263bc 454{
f7aae92f
RG
455 struct vnode *vp = ap->a_vp;
456 struct hpfsnode *hp = VTOHP(vp);
457 struct vattr *vap = ap->a_vap;
984263bc
MD
458 int error;
459
460 dprintf(("hpfs_getattr(0x%x):\n", hp->h_no));
461
08c23b99 462#if defined(__DragonFly__)
984263bc
MD
463 vap->va_fsid = dev2udev(hp->h_dev);
464#else /* defined(__NetBSD__) */
465 vap->va_fsid = ip->i_dev;
466#endif
467 vap->va_fileid = hp->h_no;
468 vap->va_mode = hp->h_mode;
469 vap->va_nlink = 1;
470 vap->va_uid = hp->h_uid;
471 vap->va_gid = hp->h_gid;
472 vap->va_rdev = 0; /* XXX UNODEV ? */
473 vap->va_size = hp->h_fn.fn_size;
474 vap->va_bytes = ((hp->h_fn.fn_size + DEV_BSIZE-1) & ~(DEV_BSIZE-1)) +
475 DEV_BSIZE;
476
477 if (!(hp->h_flag & H_PARVALID)) {
478 error = hpfs_validateparent(hp);
479 if (error)
480 return (error);
481 }
482 vap->va_atime = hpfstimetounix(hp->h_atime);
483 vap->va_mtime = hpfstimetounix(hp->h_mtime);
484 vap->va_ctime = hpfstimetounix(hp->h_ctime);
485
486 vap->va_flags = 0;
487 vap->va_gen = 0;
488 vap->va_blocksize = DEV_BSIZE;
489 vap->va_type = vp->v_type;
490 vap->va_filerev = 0;
491
492 return (0);
493}
494
495/*
496 * XXXXX do we need hpfsnode locking inside?
dd3af26c
CP
497 *
498 * hpfs_setattr(struct vnode *a_vp, struct vattr *a_vap, struct ucred *a_cred,
499 * struct thread *a_td)
984263bc
MD
500 */
501static int
dd3af26c 502hpfs_setattr(struct vop_setattr_args *ap)
984263bc
MD
503{
504 struct vnode *vp = ap->a_vp;
505 struct hpfsnode *hp = VTOHP(vp);
506 struct vattr *vap = ap->a_vap;
507 struct ucred *cred = ap->a_cred;
dadab5e9 508 struct thread *td = ap->a_td;
984263bc
MD
509 int error;
510
511 dprintf(("hpfs_setattr(0x%x):\n", hp->h_no));
512
513 /*
514 * Check for unsettable attributes.
515 */
516 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) ||
517 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
518 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
519 (vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
520 dprintf(("hpfs_setattr: changing nonsettable attr\n"));
521 return (EINVAL);
522 }
523
524 /* Can't change flags XXX Could be implemented */
525 if (vap->va_flags != VNOVAL) {
526 printf("hpfs_setattr: FLAGS CANNOT BE SET\n");
527 return (EINVAL);
528 }
529
530 /* Can't change uid/gid XXX Could be implemented */
531 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
532 printf("hpfs_setattr: UID/GID CANNOT BE SET\n");
533 return (EINVAL);
534 }
535
536 /* Can't change mode XXX Could be implemented */
537 if (vap->va_mode != (mode_t)VNOVAL) {
538 printf("hpfs_setattr: MODE CANNOT BE SET\n");
539 return (EINVAL);
540 }
541
542 /* Update times */
543 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) {
544 if (vp->v_mount->mnt_flag & MNT_RDONLY)
545 return (EROFS);
546 if (cred->cr_uid != hp->h_uid &&
dadab5e9 547 (error = suser_cred(cred, PRISON_ROOT)) &&
984263bc 548 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 ||
7d1b9a3b 549 (error = VOP_ACCESS(vp, VWRITE, cred, td))))
984263bc
MD
550 return (error);
551 if (vap->va_atime.tv_sec != VNOVAL)
552 hp->h_atime = vap->va_atime.tv_sec;
553 if (vap->va_mtime.tv_sec != VNOVAL)
554 hp->h_mtime = vap->va_mtime.tv_sec;
555
556 hp->h_flag |= H_PARCHANGE;
557 }
558
559 if (vap->va_size != VNOVAL) {
560 switch (vp->v_type) {
561 case VDIR:
562 return (EISDIR);
563 case VREG:
564 if (vp->v_mount->mnt_flag & MNT_RDONLY)
565 return (EROFS);
566 break;
567 default:
568 printf("hpfs_setattr: WRONG v_type\n");
569 return (EINVAL);
570 }
571
572 if (vap->va_size < hp->h_fn.fn_size) {
08c23b99 573#if defined(__DragonFly__)
7d1b9a3b 574 error = vtruncbuf(vp, td, vap->va_size, DEV_BSIZE);
984263bc
MD
575 if (error)
576 return (error);
577#else /* defined(__NetBSD__) */
578#error Need alternation for vtruncbuf()
579#endif
580 error = hpfs_truncate(hp, vap->va_size);
581 if (error)
582 return (error);
583
584 } else if (vap->va_size > hp->h_fn.fn_size) {
08c23b99 585#if defined(__DragonFly__)
984263bc
MD
586 vnode_pager_setsize(vp, vap->va_size);
587#endif
588 error = hpfs_extend(hp, vap->va_size);
589 if (error)
590 return (error);
591 }
592 }
593
594 return (0);
595}
596
597/*
598 * Last reference to an node. If necessary, write or delete it.
dd3af26c
CP
599 *
600 * hpfs_inactive(struct vnode *a_vp)
984263bc
MD
601 */
602int
dd3af26c 603hpfs_inactive(struct vop_inactive_args *ap)
984263bc 604{
f7aae92f
RG
605 struct vnode *vp = ap->a_vp;
606 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
607 int error;
608
609 dprintf(("hpfs_inactive(0x%x): \n", hp->h_no));
610
611 if (hp->h_flag & H_CHANGE) {
612 dprintf(("hpfs_inactive: node changed, update\n"));
613 error = hpfs_update (hp);
614 if (error)
615 return (error);
616 }
617
618 if (hp->h_flag & H_PARCHANGE) {
619 dprintf(("hpfs_inactive: parent node changed, update\n"));
620 error = hpfs_updateparent (hp);
621 if (error)
622 return (error);
623 }
624
625 if (prtactive && vp->v_usecount != 0)
626 vprint("hpfs_inactive: pushing active", vp);
627
628 if (hp->h_flag & H_INVAL) {
7d1b9a3b 629 VOP__UNLOCK(vp,0,ap->a_td);
08c23b99 630#if defined(__DragonFly__)
7d1b9a3b 631 vrecycle(vp, NULL, ap->a_td);
984263bc
MD
632#else /* defined(__NetBSD__) */
633 vgone(vp);
634#endif
635 return (0);
636 }
637
7d1b9a3b 638 VOP__UNLOCK(vp,0,ap->a_td);
984263bc
MD
639 return (0);
640}
641
642/*
643 * Reclaim an inode so that it can be used for other purposes.
dd3af26c
CP
644 *
645 * hpfs_reclaim(struct vnode *a_vp)
984263bc
MD
646 */
647int
dd3af26c 648hpfs_reclaim(struct vop_reclaim_args *ap)
984263bc 649{
f7aae92f
RG
650 struct vnode *vp = ap->a_vp;
651 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
652
653 dprintf(("hpfs_reclaim(0x%x0): \n", hp->h_no));
654
655 hpfs_hphashrem(hp);
656
657 /* Purge old data structures associated with the inode. */
658 cache_purge(vp);
659 if (hp->h_devvp) {
660 vrele(hp->h_devvp);
661 hp->h_devvp = NULL;
662 }
663
664 vp->v_data = NULL;
665
666 FREE(hp, M_HPFSNO);
667
668 return (0);
669}
670
dd3af26c
CP
671/*
672 * hpfs_print(struct vnode *a_vp)
673 */
984263bc 674static int
dd3af26c 675hpfs_print(struct vop_print_args *ap)
984263bc 676{
f7aae92f
RG
677 struct vnode *vp = ap->a_vp;
678 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
679
680 printf("tag VT_HPFS, ino 0x%x",hp->h_no);
681 lockmgr_printinfo(&hp->h_lock);
682 printf("\n");
683 return (0);
684}
685
686/*
687 * Calculate the logical to physical mapping if not done already,
688 * then call the device strategy routine.
689 *
690 * In order to be able to swap to a file, the VOP_BMAP operation may not
691 * deadlock on memory. See hpfs_bmap() for details. XXXXXXX (not impl)
dd3af26c
CP
692 *
693 * hpfs_strategy(struct buf *a_bp)
984263bc
MD
694 */
695int
dd3af26c 696hpfs_strategy(struct vop_strategy_args *ap)
984263bc 697{
f7aae92f
RG
698 struct buf *bp = ap->a_bp;
699 struct vnode *vp = ap->a_vp;
984263bc
MD
700 struct vnode *nvp;
701 int error;
702
703 dprintf(("hpfs_strategy(): \n"));
704
705 if (vp->v_type == VBLK || vp->v_type == VCHR)
706 panic("hpfs_strategy: spec");
707 if (bp->b_blkno == bp->b_lblkno) {
708 error = VOP_BMAP(vp, bp->b_lblkno, &nvp, &bp->b_blkno, NULL, NULL);
709 if (error) {
710 printf("hpfs_strategy: VOP_BMAP FAILED %d\n", error);
711 bp->b_error = error;
712 bp->b_flags |= B_ERROR;
713 biodone(bp);
714 return (error);
715 }
716 if ((long)bp->b_blkno == -1)
717 vfs_bio_clrbuf(bp);
718 }
719 if ((long)bp->b_blkno == -1) {
720 biodone(bp);
721 return (0);
722 }
723 bp->b_dev = nvp->v_rdev;
724 VOP_STRATEGY(nvp, bp);
725 return (0);
726}
727
728/*
729 * XXXXX do we need hpfsnode locking inside?
dd3af26c
CP
730 *
731 * hpfs_access(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
732 * struct proc *a_td)
984263bc
MD
733 */
734int
dd3af26c 735hpfs_access(struct vop_access_args *ap)
984263bc
MD
736{
737 struct vnode *vp = ap->a_vp;
738 struct hpfsnode *hp = VTOHP(vp);
739 struct ucred *cred = ap->a_cred;
740 mode_t mask, mode = ap->a_mode;
f7aae92f 741 gid_t *gp;
984263bc
MD
742 int i;
743
744 dprintf(("hpfs_access(0x%x):\n", hp->h_no));
745
746 /*
747 * Disallow write attempts on read-only file systems;
748 * unless the file is a socket, fifo, or a block or
749 * character device resident on the file system.
750 */
751 if (mode & VWRITE) {
752 switch ((int)vp->v_type) {
753 case VDIR:
754 case VLNK:
755 case VREG:
756 if (vp->v_mount->mnt_flag & MNT_RDONLY)
757 return (EROFS);
758 break;
759 }
760 }
761
762 /* Otherwise, user id 0 always gets access. */
763 if (cred->cr_uid == 0)
764 return (0);
765
766 mask = 0;
767
768 /* Otherwise, check the owner. */
769 if (cred->cr_uid == hp->h_uid) {
770 if (mode & VEXEC)
771 mask |= S_IXUSR;
772 if (mode & VREAD)
773 mask |= S_IRUSR;
774 if (mode & VWRITE)
775 mask |= S_IWUSR;
776 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
777 }
778
779 /* Otherwise, check the groups. */
780 for (i = 0, gp = cred->cr_groups; i < cred->cr_ngroups; i++, gp++)
781 if (hp->h_gid == *gp) {
782 if (mode & VEXEC)
783 mask |= S_IXGRP;
784 if (mode & VREAD)
785 mask |= S_IRGRP;
786 if (mode & VWRITE)
787 mask |= S_IWGRP;
788 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
789 }
790
791 /* Otherwise, check everyone else. */
792 if (mode & VEXEC)
793 mask |= S_IXOTH;
794 if (mode & VREAD)
795 mask |= S_IROTH;
796 if (mode & VWRITE)
797 mask |= S_IWOTH;
798 return ((hp->h_mode & mask) == mask ? 0 : EACCES);
799}
800
801/*
802 * Open called.
803 *
804 * Nothing to do.
dd3af26c
CP
805 *
806 * hpfs_open(struct vnode *a_vp, int a_mode, struct ucred *a_cred,
807 * struct proc *a_td)
984263bc
MD
808 */
809/* ARGSUSED */
810static int
dd3af26c 811hpfs_open(struct vop_open_args *ap)
984263bc
MD
812{
813#if HPFS_DEBUG
f7aae92f
RG
814 struct vnode *vp = ap->a_vp;
815 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
816
817 printf("hpfs_open(0x%x):\n",hp->h_no);
818#endif
819
820 /*
821 * Files marked append-only must be opened for appending.
822 */
823
824 return (0);
825}
826
827/*
828 * Close called.
829 *
830 * Update the times on the inode.
dd3af26c
CP
831 *
832 * hpfs_close(struct vnode *a_vp, int a_fflag, struct ucred *a_cred,
833 * struct proc *a_td)
984263bc
MD
834 */
835/* ARGSUSED */
836static int
dd3af26c 837hpfs_close(struct vop_close_args *ap)
984263bc
MD
838{
839#if HPFS_DEBUG
f7aae92f
RG
840 struct vnode *vp = ap->a_vp;
841 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
842
843 printf("hpfs_close: %d\n",hp->h_no);
844#endif
845
846 return (0);
847}
848
849static int
dd3af26c
CP
850hpfs_de_uiomove(struct hpfsmount *hpmp, struct hpfsdirent *dep,
851 struct uio *uio)
984263bc
MD
852{
853 struct dirent cde;
854 int i, error;
855
856 dprintf(("[no: 0x%x, size: %d, name: %2d:%.*s, flag: 0x%x] ",
857 dep->de_fnode, dep->de_size, dep->de_namelen,
858 dep->de_namelen, dep->de_name, dep->de_flag));
859
860 /*strncpy(cde.d_name, dep->de_name, dep->de_namelen);*/
861 for (i=0; i<dep->de_namelen; i++)
862 cde.d_name[i] = hpfs_d2u(hpmp, dep->de_name[i]);
863
864 cde.d_name[dep->de_namelen] = '\0';
865 cde.d_namlen = dep->de_namelen;
866 cde.d_fileno = dep->de_fnode;
867 cde.d_type = (dep->de_flag & DE_DIR) ? DT_DIR : DT_REG;
868 cde.d_reclen = sizeof(struct dirent);
869
870 error = uiomove((char *)&cde, sizeof(struct dirent), uio);
871 if (error)
872 return (error);
873
874 dprintf(("[0x%x] ", uio->uio_resid));
875 return (error);
876}
877
878
879static struct dirent hpfs_de_dot =
880 { 0, sizeof(struct dirent), DT_DIR, 1, "." };
881static struct dirent hpfs_de_dotdot =
882 { 0, sizeof(struct dirent), DT_DIR, 2, ".." };
dd3af26c
CP
883
884/*
885 * hpfs_readdir(struct vnode *a_vp, struct uio *a_uio, struct ucred *a_cred,
886 * int *a_ncookies, u_int **cookies)
887 */
984263bc 888int
dd3af26c 889hpfs_readdir(struct vop_readdir_args *ap)
984263bc 890{
f7aae92f
RG
891 struct vnode *vp = ap->a_vp;
892 struct hpfsnode *hp = VTOHP(vp);
984263bc
MD
893 struct hpfsmount *hpmp = hp->h_hpmp;
894 struct uio *uio = ap->a_uio;
895 int ncookies = 0, i, num, cnum;
896 int error = 0;
897 off_t off;
898 struct buf *bp;
899 struct dirblk *dp;
900 struct hpfsdirent *dep;
901 lsn_t olsn;
902 lsn_t lsn;
903 int level;
904
905 dprintf(("hpfs_readdir(0x%x, 0x%x, 0x%x): ",hp->h_no,(u_int32_t)uio->uio_offset,uio->uio_resid));
906
907 off = uio->uio_offset;
908
909 if( uio->uio_offset < sizeof(struct dirent) ) {
910 dprintf((". faked, "));
911 hpfs_de_dot.d_fileno = hp->h_no;
912 error = uiomove((char *)&hpfs_de_dot,sizeof(struct dirent),uio);
913 if(error) {
914 return (error);
915 }
916
917 ncookies ++;
918 }
919
920 if( uio->uio_offset < 2 * sizeof(struct dirent) ) {
921 dprintf((".. faked, "));
922 hpfs_de_dotdot.d_fileno = hp->h_fn.fn_parent;
923
924 error = uiomove((char *)&hpfs_de_dotdot, sizeof(struct dirent),
925 uio);
926 if(error) {
927 return (error);
928 }
929
930 ncookies ++;
931 }
932
933 num = uio->uio_offset / sizeof(struct dirent) - 2;
934 cnum = 0;
935
936 lsn = ((alleaf_t *)hp->h_fn.fn_abd)->al_lsn;
937
938 olsn = 0;
939 level = 1;
940
941dive:
942 dprintf(("[dive 0x%x] ", lsn));
7d1b9a3b 943 error = bread(hp->h_devvp, lsn, D_BSIZE, &bp);
984263bc
MD
944 if (error) {
945 brelse(bp);
946 return (error);
947 }
948
949 dp = (struct dirblk *) bp->b_data;
950 if (dp->d_magic != D_MAGIC) {
951 printf("hpfs_readdir: MAGIC DOESN'T MATCH\n");
952 brelse(bp);
953 return (EINVAL);
954 }
955
956 dep = D_DIRENT(dp);
957
958 if (olsn) {
959 dprintf(("[restore 0x%x] ", olsn));
960
961 while(!(dep->de_flag & DE_END) ) {
962 if((dep->de_flag & DE_DOWN) &&
963 (olsn == DE_DOWNLSN(dep)))
964 break;
965 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
966 }
967
968 if((dep->de_flag & DE_DOWN) && (olsn == DE_DOWNLSN(dep))) {
969 if (dep->de_flag & DE_END)
970 goto blockdone;
971
972 if (!(dep->de_flag & DE_SPECIAL)) {
973 if (num <= cnum) {
974 if (uio->uio_resid < sizeof(struct dirent)) {
975 brelse(bp);
976 dprintf(("[resid] "));
977 goto readdone;
978 }
979
980 error = hpfs_de_uiomove(hpmp, dep, uio);
981 if (error) {
982 brelse (bp);
983 return (error);
984 }
985 ncookies++;
986
987 if (uio->uio_resid < sizeof(struct dirent)) {
988 brelse(bp);
989 dprintf(("[resid] "));
990 goto readdone;
991 }
992 }
993 cnum++;
994 }
995
996 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
997 } else {
998 printf("hpfs_readdir: ERROR! oLSN not found\n");
999 brelse(bp);
1000 return (EINVAL);
1001 }
1002 }
1003
1004 olsn = 0;
1005
1006 while(!(dep->de_flag & DE_END)) {
1007 if(dep->de_flag & DE_DOWN) {
1008 lsn = DE_DOWNLSN(dep);
1009 brelse(bp);
1010 level++;
1011 goto dive;
1012 }
1013
1014 if (!(dep->de_flag & DE_SPECIAL)) {
1015 if (num <= cnum) {
1016 if (uio->uio_resid < sizeof(struct dirent)) {
1017 brelse(bp);
1018 dprintf(("[resid] "));
1019 goto readdone;
1020 }
1021
1022 error = hpfs_de_uiomove(hpmp, dep, uio);
1023 if (error) {
1024 brelse (bp);
1025 return (error);
1026 }
1027 ncookies++;
1028
1029 if (uio->uio_resid < sizeof(struct dirent)) {
1030 brelse(bp);
1031 dprintf(("[resid] "));
1032 goto readdone;
1033 }
1034 }
1035 cnum++;
1036 }
1037
1038 dep = (hpfsdirent_t *)((caddr_t)dep + dep->de_reclen);
1039 }
1040
1041 if(dep->de_flag & DE_DOWN) {
1042 dprintf(("[enddive] "));
1043 lsn = DE_DOWNLSN(dep);
1044 brelse(bp);
1045 level++;
1046 goto dive;
1047 }
1048
1049blockdone:
1050 dprintf(("[EOB] "));
1051 olsn = lsn;
1052 lsn = dp->d_parent;
1053 brelse(bp);
1054 level--;
1055
1056 dprintf(("[level %d] ", level));
1057
1058 if (level > 0)
1059 goto dive; /* undive really */
1060
1061 if (ap->a_eofflag) {
1062 dprintf(("[EOF] "));
1063 *ap->a_eofflag = 1;
1064 }
1065
1066readdone:
1067 dprintf(("[readdone]\n"));
1068 if (!error && ap->a_ncookies != NULL) {
1069 struct dirent* dpStart;
1070 struct dirent* dp;
08c23b99 1071#if defined(__DragonFly__)
984263bc
MD
1072 u_long *cookies;
1073 u_long *cookiep;
1074#else /* defined(__NetBSD__) */
1075 off_t *cookies;
1076 off_t *cookiep;
1077#endif
1078
1079 dprintf(("%d cookies, ",ncookies));
1080 if (uio->uio_segflg != UIO_SYSSPACE || uio->uio_iovcnt != 1)
1081 panic("hpfs_readdir: unexpected uio from NFS server");
1082 dpStart = (struct dirent *)
1083 ((caddr_t)uio->uio_iov->iov_base -
1084 (uio->uio_offset - off));
08c23b99 1085#if defined(__DragonFly__)
984263bc
MD
1086 MALLOC(cookies, u_long *, ncookies * sizeof(u_long),
1087 M_TEMP, M_WAITOK);
1088#else /* defined(__NetBSD__) */
1089 MALLOC(cookies, off_t *, ncookies * sizeof(off_t),
1090 M_TEMP, M_WAITOK);
1091#endif
1092 for (dp = dpStart, cookiep = cookies, i=0;
1093 i < ncookies;
1094 dp = (struct dirent *)((caddr_t) dp + dp->d_reclen), i++) {
1095 off += dp->d_reclen;
1096 *cookiep++ = (u_int) off;
1097 }
1098 *ap->a_ncookies = ncookies;
1099 *ap->a_cookies = cookies;
1100 }
1101
1102 return (0);
1103}
1104
dd3af26c
CP
1105/*
1106 * hpfs_lookup(struct vnode *a_dvp, struct vnode **a_vpp,
1107 * struct componentname *a_cnp)
1108 */
984263bc 1109int
dd3af26c 1110hpfs_lookup(struct vop_lookup_args *ap)
984263bc 1111{
f7aae92f
RG
1112 struct vnode *dvp = ap->a_dvp;
1113 struct hpfsnode *dhp = VTOHP(dvp);
984263bc
MD
1114 struct hpfsmount *hpmp = dhp->h_hpmp;
1115 struct componentname *cnp = ap->a_cnp;
1116 struct ucred *cred = cnp->cn_cred;
1117 int error;
1118 int nameiop = cnp->cn_nameiop;
1119 int flags = cnp->cn_flags;
2b69e610 1120 int lockparent = flags & CNP_LOCKPARENT;
984263bc 1121#if HPFS_DEBUG
2b69e610 1122 int wantparent = flags & (CNP_LOCKPARENT | CNP_WANTPARENT);
984263bc
MD
1123#endif
1124 dprintf(("hpfs_lookup(0x%x, %s, %ld, %d, %d): \n",
1125 dhp->h_no, cnp->cn_nameptr, cnp->cn_namelen,
1126 lockparent, wantparent));
1127
2b69e610 1128 if (nameiop != NAMEI_CREATE && nameiop != NAMEI_DELETE && nameiop != NAMEI_LOOKUP) {
984263bc
MD
1129 printf("hpfs_lookup: LOOKUP, DELETE and CREATE are only supported\n");
1130 return (EOPNOTSUPP);
1131 }
1132
7d1b9a3b 1133 error = VOP_ACCESS(dvp, VEXEC, cred, cnp->cn_td);
984263bc
MD
1134 if(error)
1135 return (error);
1136
1137 if( (cnp->cn_namelen == 1) &&
1138 !strncmp(cnp->cn_nameptr,".",1) ) {
1139 dprintf(("hpfs_lookup(0x%x,...): . faked\n",dhp->h_no));
1140
597aea93 1141 vref(dvp);
984263bc
MD
1142 *ap->a_vpp = dvp;
1143
1144 return (0);
1145 } else if( (cnp->cn_namelen == 2) &&
2b69e610 1146 !strncmp(cnp->cn_nameptr,"..",2) && (flags & CNP_ISDOTDOT) ) {
984263bc
MD
1147 dprintf(("hpfs_lookup(0x%x,...): .. faked (0x%x)\n",
1148 dhp->h_no, dhp->h_fn.fn_parent));
1149
7d1b9a3b 1150 VOP__UNLOCK(dvp,0,cnp->cn_td);
984263bc
MD
1151
1152 error = VFS_VGET(hpmp->hpm_mp,
1153 dhp->h_fn.fn_parent, ap->a_vpp);
1154 if(error) {
7d1b9a3b 1155 VOP__LOCK(dvp, 0, cnp->cn_td);
984263bc
MD
1156 return(error);
1157 }
1158
2b69e610 1159 if( lockparent && (flags & CNP_ISLASTCN) &&
7d1b9a3b 1160 (error = VOP__LOCK(dvp, 0, cnp->cn_td)) ) {
984263bc
MD
1161 vput( *(ap->a_vpp) );
1162 return (error);
1163 }
1164 return (error);
1165 } else {
1166 struct buf *bp;
1167 struct hpfsdirent *dep;
1168 struct hpfsnode *hp;
1169
1170 error = hpfs_genlookupbyname(dhp,
1171 cnp->cn_nameptr, cnp->cn_namelen, &bp, &dep);
1172 if (error) {
2b69e610
MD
1173 if ((error == ENOENT) && (flags & CNP_ISLASTCN) &&
1174 (nameiop == NAMEI_CREATE || nameiop == NAMEI_RENAME)) {
984263bc 1175 if(!lockparent)
7d1b9a3b 1176 VOP__UNLOCK(dvp, 0, cnp->cn_td);
2b69e610 1177 cnp->cn_flags |= CNP_SAVENAME;
984263bc
MD
1178 return (EJUSTRETURN);
1179 }
1180
1181 return (error);
1182 }
1183
1184 dprintf(("hpfs_lookup: fnode: 0x%x, CPID: 0x%x\n",
1185 dep->de_fnode, dep->de_cpid));
1186
2b69e610 1187 if (nameiop == NAMEI_DELETE && (flags & CNP_ISLASTCN)) {
7d1b9a3b 1188 error = VOP_ACCESS(dvp, VWRITE, cred, cnp->cn_td);
984263bc
MD
1189 if (error) {
1190 brelse(bp);
1191 return (error);
1192 }
1193 }
1194
1195 if (dhp->h_no == dep->de_fnode) {
1196 brelse(bp);
597aea93 1197 vref(dvp);
984263bc
MD
1198 *ap->a_vpp = dvp;
1199 return (0);
1200 }
1201
1202 error = VFS_VGET(hpmp->hpm_mp, dep->de_fnode, ap->a_vpp);
1203 if (error) {
1204 printf("hpfs_lookup: VFS_VGET FAILED %d\n", error);
1205 brelse(bp);
1206 return(error);
1207 }
1208
1209 hp = VTOHP(*ap->a_vpp);
1210
1211 hp->h_mtime = dep->de_mtime;
1212 hp->h_ctime = dep->de_ctime;
1213 hp->h_atime = dep->de_atime;
1214 bcopy(dep->de_name, hp->h_name, dep->de_namelen);
1215 hp->h_name[dep->de_namelen] = '\0';
1216 hp->h_namelen = dep->de_namelen;
1217 hp->h_flag |= H_PARVALID;
1218
1219 brelse(bp);
1220
2b69e610 1221 if(!lockparent || !(flags & CNP_ISLASTCN))
7d1b9a3b 1222 VOP__UNLOCK(dvp, 0, cnp->cn_td);
2b69e610
MD
1223 if ((flags & CNP_MAKEENTRY) &&
1224 (!(flags & CNP_ISLASTCN) ||
1225 (nameiop != NAMEI_DELETE && nameiop != NAMEI_CREATE)))
bc0c094e 1226 cache_enter(dvp, NCPNULL, *ap->a_vpp, cnp);
984263bc
MD
1227 }
1228 return (error);
1229}
1230
dd3af26c
CP
1231/*
1232 * hpfs_remove(struct vnode *a_dvp, struct vnode *a_vp,
1233 * struct componentname *a_cnp)
1234 */
984263bc 1235int
dd3af26c 1236hpfs_remove(struct vop_remove_args *ap)
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1237{
1238 int error;
1239
1240 dprintf(("hpfs_remove(0x%x, %s, %ld): \n", VTOHP(ap->a_vp)->h_no,
1241 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1242
1243 if (ap->a_vp->v_type == VDIR)
1244 return (EPERM);
1245
1246 error = hpfs_removefnode (ap->a_dvp, ap->a_vp, ap->a_cnp);
1247 return (error);
1248}
1249
dd3af26c
CP
1250/*
1251 * hpfs_create(struct vnode *a_dvp, struct vnode **a_vpp,
1252 * struct componentname *a_cnp, struct vattr *a_vap)
1253 */
984263bc 1254int
dd3af26c 1255hpfs_create(struct vop_create_args *ap)
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1256{
1257 int error;
1258
1259 dprintf(("hpfs_create(0x%x, %s, %ld): \n", VTOHP(ap->a_dvp)->h_no,
1260 ap->a_cnp->cn_nameptr, ap->a_cnp->cn_namelen));
1261
2b69e610 1262 if (!(ap->a_cnp->cn_flags & CNP_HASBUF))
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1263 panic ("hpfs_create: no name\n");
1264
1265 error = hpfs_makefnode (ap->a_dvp, ap->a_vpp, ap->a_cnp, ap->a_vap);
1266
1267 return (error);
1268}
1269
1270/*
1271 * Return POSIX pathconf information applicable to NTFS filesystem
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CP
1272 *
1273 * hpfs_pathconf(struct vnode *a_vp, int a_name, t *a_retval)
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1274 */
1275int
dd3af26c 1276hpfs_pathconf(struct vop_pathconf_args *ap)
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1277{
1278 switch (ap->a_name) {
1279 case _PC_LINK_MAX:
1280 *ap->a_retval = 1;
1281 return (0);
1282 case _PC_NAME_MAX:
1283 *ap->a_retval = HPFS_MAXFILENAME;
1284 return (0);
1285 case _PC_PATH_MAX:
1286 *ap->a_retval = PATH_MAX;
1287 return (0);
1288 case _PC_CHOWN_RESTRICTED:
1289 *ap->a_retval = 1;
1290 return (0);
1291 case _PC_NO_TRUNC:
1292 *ap->a_retval = 0;
1293 return (0);
1294#if defined(__NetBSD__)
1295 case _PC_SYNC_IO:
1296 *ap->a_retval = 1;
1297 return (0);
1298 case _PC_FILESIZEBITS:
1299 *ap->a_retval = 32;
1300 return (0);
1301#endif
1302 default:
1303 return (EINVAL);
1304 }
1305 /* NOTREACHED */
1306}
1307
1308
1309/*
1310 * Global vfs data structures
1311 */
2d3e977e 1312struct vop_ops *hpfs_vnode_vops;
08c23b99 1313#if defined(__DragonFly__)
984263bc 1314struct vnodeopv_entry_desc hpfs_vnodeop_entries[] = {
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1315 { &vop_default_desc, (void *)vop_defaultop },
1316
1317 { &vop_getattr_desc, (void *)hpfs_getattr },
1318 { &vop_setattr_desc, (void *)hpfs_setattr },
1319 { &vop_inactive_desc, (void *)hpfs_inactive },
1320 { &vop_reclaim_desc, (void *)hpfs_reclaim },
1321 { &vop_print_desc, (void *)hpfs_print },
1322 { &vop_create_desc, (void *)hpfs_create },
1323 { &vop_remove_desc, (void *)hpfs_remove },
1324 { &vop_islocked_desc, (void *)vop_stdislocked },
1325 { &vop_unlock_desc, (void *)vop_stdunlock },
1326 { &vop_lock_desc, (void *)vop_stdlock },
1327 { &vop_cachedlookup_desc, (void *)hpfs_lookup },
1328 { &vop_lookup_desc, (void *)vfs_cache_lookup },
1329 { &vop_access_desc, (void *)hpfs_access },
1330 { &vop_close_desc, (void *)hpfs_close },
1331 { &vop_open_desc, (void *)hpfs_open },
1332 { &vop_readdir_desc, (void *)hpfs_readdir },
1333 { &vop_fsync_desc, (void *)hpfs_fsync },
1334 { &vop_bmap_desc, (void *)hpfs_bmap },
1335 { &vop_getpages_desc, (void *) hpfs_getpages },
1336 { &vop_putpages_desc, (void *) hpfs_putpages },
1337 { &vop_strategy_desc, (void *)hpfs_strategy },
1338 { &vop_bwrite_desc, (void *)vop_stdbwrite },
1339 { &vop_read_desc, (void *)hpfs_read },
1340 { &vop_write_desc, (void *)hpfs_write },
1341 { &vop_ioctl_desc, (void *)hpfs_ioctl },
1342 { &vop_pathconf_desc, (void *)hpfs_pathconf },
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1343 { NULL, NULL }
1344};
1345
1346static
1347struct vnodeopv_desc hpfs_vnodeop_opv_desc =
2d3e977e 1348 { &hpfs_vnode_vops, hpfs_vnodeop_entries };
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1349
1350VNODEOP_SET(hpfs_vnodeop_opv_desc);
1351#else /* defined(__NetBSD__) */
1352struct vnodeopv_entry_desc ntfs_vnodeop_entries[] = {
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1353 { &vop_default_desc, (void *) genfs_badop }, /* XXX */
1354 { &vop_lookup_desc, (void *) hpfs_lookup }, /* lookup */
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1355 { &vop_create_desc, genfs_eopnotsupp }, /* create */
1356 { &vop_mknod_desc, genfs_eopnotsupp }, /* mknod */
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1357 { &vop_open_desc, (void *) hpfs_open }, /* open */
1358 { &vop_close_desc,(void *) hpfs_close }, /* close */
1359 { &vop_access_desc, (void *) hpfs_access }, /* access */
1360 { &vop_getattr_desc, (void *) hpfs_getattr }, /* getattr */
984263bc 1361 { &vop_setattr_desc, genfs_eopnotsupp }, /* setattr */
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1362 { &vop_read_desc, (void *) hpfs_read }, /* read */
1363 { &vop_write_desc, (void *) hpfs_write }, /* write */
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1364 { &vop_lease_desc, genfs_lease_check }, /* lease */
1365 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1366 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
1367 { &vop_poll_desc, genfs_poll }, /* poll */
1368 { &vop_revoke_desc, genfs_revoke }, /* revoke */
1369 { &vop_mmap_desc, genfs_eopnotsupp }, /* mmap */
1370 { &vop_fsync_desc, genfs_fsync }, /* fsync */
1371 { &vop_seek_desc, genfs_seek }, /* seek */
1372 { &vop_remove_desc, genfs_eopnotsupp }, /* remove */
1373 { &vop_link_desc, genfs_eopnotsupp }, /* link */
1374 { &vop_rename_desc, genfs_eopnotsupp }, /* rename */
1375 { &vop_mkdir_desc, genfs_eopnotsupp }, /* mkdir */
1376 { &vop_rmdir_desc, genfs_eopnotsupp }, /* rmdir */
1377 { &vop_symlink_desc, genfs_eopnotsupp }, /* symlink */
2d3e977e 1378 { &vop_readdir_desc, (void *) hpfs_readdir }, /* readdir */
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1379 { &vop_readlink_desc, genfs_eopnotsupp }, /* readlink */
1380 { &vop_abortop_desc, genfs_abortop }, /* abortop */
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1381 { &vop_inactive_desc, (void *) hpfs_inactive }, /* inactive */
1382 { &vop_reclaim_desc, (void *) hpfs_reclaim }, /* reclaim */
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1383 { &vop_lock_desc, genfs_lock }, /* lock */
1384 { &vop_unlock_desc, genfs_unlock }, /* unlock */
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1385 { &vop_bmap_desc, (void *) hpfs_bmap }, /* bmap */
1386 { &vop_strategy_desc, (void *) hpfs_strategy }, /* strategy */
1387 { &vop_print_desc, (void *) hpfs_print }, /* print */
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1388 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1389 { &vop_pathconf_desc, hpfs_pathconf }, /* pathconf */
1390 { &vop_advlock_desc, genfs_nullop }, /* advlock */
1391 { &vop_blkatoff_desc, genfs_eopnotsupp }, /* blkatoff */
1392 { &vop_valloc_desc, genfs_eopnotsupp }, /* valloc */
1393 { &vop_reallocblks_desc, genfs_eopnotsupp }, /* reallocblks */
1394 { &vop_vfree_desc, genfs_eopnotsupp }, /* vfree */
1395 { &vop_truncate_desc, genfs_eopnotsupp }, /* truncate */
1396 { &vop_update_desc, genfs_eopnotsupp }, /* update */
1397 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */
a6ee311a 1398 { (struct vnodeop_desc *)NULL, (int (*) (void *))NULL }
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1399};
1400struct vnodeopv_desc ntfs_vnodeop_opv_desc =
2d3e977e 1401 { &ntfs_vnode_vops, ntfs_vnodeop_entries };
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1402
1403#endif