1 /* $NetBSD: ext2fs_vnops.c,v 1.139 2024/01/29 18:27:09 christos Exp $ */
2
3 /*
4 * Copyright (c) 1982, 1986, 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 * (c) UNIX System Laboratories, Inc.
7 * All or some portions of this file are derived from material licensed
8 * to the University of California by American Telephone and Telegraph
9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
10 * the permission of UNIX System Laboratories, Inc.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)ufs_vnops.c 8.14 (Berkeley) 10/26/94
37 * Modified for ext2fs by Manuel Bouyer.
38 */
39
40 /*
41 * Copyright (c) 1997 Manuel Bouyer.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 *
52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
53 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
54 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
55 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
56 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
57 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
61 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
62 *
63 * @(#)ufs_vnops.c 8.14 (Berkeley) 10/26/94
64 * Modified for ext2fs by Manuel Bouyer.
65 */
66
67 #include <sys/cdefs.h>
68 __KERNEL_RCSID(0, "$NetBSD: ext2fs_vnops.c,v 1.139 2024/01/29 18:27:09 christos Exp $");
69
70 #include <sys/param.h>
71 #include <sys/systm.h>
72 #include <sys/resourcevar.h>
73 #include <sys/kernel.h>
74 #include <sys/file.h>
75 #include <sys/stat.h>
76 #include <sys/buf.h>
77 #include <sys/proc.h>
78 #include <sys/mount.h>
79 #include <sys/namei.h>
80 #include <sys/vnode.h>
81 #include <sys/lockf.h>
82 #include <sys/pool.h>
83 #include <sys/signalvar.h>
84 #include <sys/kauth.h>
85
86 #include <miscfs/fifofs/fifo.h>
87 #include <miscfs/genfs/genfs.h>
88 #include <miscfs/specfs/specdev.h>
89
90 #include <ufs/ufs/inode.h>
91 #include <ufs/ufs/ufs_extern.h>
92 #include <ufs/ufs/ufsmount.h>
93
94 #include <ufs/ext2fs/ext2fs.h>
95 #include <ufs/ext2fs/ext2fs_extern.h>
96 #include <ufs/ext2fs/ext2fs_dir.h>
97 #include <ufs/ext2fs/ext2fs_xattr.h>
98
99 extern int prtactive;
100
101 static int ext2fs_chmod(struct vnode *, int, kauth_cred_t, struct lwp *);
102 static int ext2fs_chown(struct vnode *, uid_t, gid_t, kauth_cred_t,
103 struct lwp *);
104 static int ext2fs_makeinode(struct vattr *, struct vnode *, struct vnode **,
105 struct componentname *, int);
106
107 union _qcvt {
108 int64_t qcvt;
109 int32_t val[2];
110 };
111
112 #define SETHIGH(q, h) { \
113 union _qcvt tmp; \
114 tmp.qcvt = (q); \
115 tmp.val[_QUAD_HIGHWORD] = (h); \
116 (q) = tmp.qcvt; \
117 }
118 #define SETLOW(q, l) { \
119 union _qcvt tmp; \
120 tmp.qcvt = (q); \
121 tmp.val[_QUAD_LOWWORD] = (l); \
122 (q) = tmp.qcvt; \
123 }
124
125 /*
126 * Create a regular file
127 */
128 int
ext2fs_create(void * v)129 ext2fs_create(void *v)
130 {
131 struct vop_create_v3_args /* {
132 struct vnode *a_dvp;
133 struct vnode **a_vpp;
134 struct componentname *a_cnp;
135 struct vattr *a_vap;
136 } */ *ap = v;
137 int error;
138
139 error = ext2fs_makeinode(ap->a_vap, ap->a_dvp, ap->a_vpp, ap->a_cnp, 1);
140
141 if (error)
142 return error;
143 VOP_UNLOCK(*ap->a_vpp);
144 return 0;
145 }
146
147 /*
148 * Mknod vnode call
149 */
150 /* ARGSUSED */
151 int
ext2fs_mknod(void * v)152 ext2fs_mknod(void *v)
153 {
154 struct vop_mknod_v3_args /* {
155 struct vnode *a_dvp;
156 struct vnode **a_vpp;
157 struct componentname *a_cnp;
158 struct vattr *a_vap;
159 } */ *ap = v;
160 struct vattr *vap = ap->a_vap;
161 struct vnode **vpp = ap->a_vpp;
162 struct inode *ip;
163 int error;
164
165 if ((error = ext2fs_makeinode(vap, ap->a_dvp, vpp, ap->a_cnp, 1)) != 0)
166 return error;
167 ip = VTOI(*vpp);
168 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE;
169 VOP_UNLOCK(*vpp);
170 return 0;
171 }
172
173 /*
174 * Open called.
175 *
176 * Just check the APPEND flag.
177 */
178 /* ARGSUSED */
179 int
ext2fs_open(void * v)180 ext2fs_open(void *v)
181 {
182 struct vop_open_args /* {
183 struct vnode *a_vp;
184 int a_mode;
185 kauth_cred_t a_cred;
186 } */ *ap = v;
187
188 /*
189 * Files marked append-only must be opened for appending.
190 */
191 if ((VTOI(ap->a_vp)->i_e2fs_flags & EXT2_APPEND) &&
192 (ap->a_mode & (FWRITE | O_APPEND)) == FWRITE)
193 return EPERM;
194 return 0;
195 }
196
197 static int
ext2fs_check_possible(struct vnode * vp,struct inode * ip,mode_t mode)198 ext2fs_check_possible(struct vnode *vp, struct inode *ip, mode_t mode)
199 {
200
201 /*
202 * Disallow write attempts on read-only file systems;
203 * unless the file is a socket, fifo, or a block or
204 * character device resident on the file system.
205 */
206 if (mode & VWRITE) {
207 switch (vp->v_type) {
208 case VDIR:
209 case VLNK:
210 case VREG:
211 if (vp->v_mount->mnt_flag & MNT_RDONLY)
212 return EROFS;
213 break;
214 default:
215 break;
216 }
217 }
218
219 /* If immutable bit set, nobody gets to write it. */
220 if ((mode & VWRITE) && (ip->i_e2fs_flags & EXT2_IMMUTABLE))
221 return EPERM;
222
223 return 0;
224 }
225
226 static int
ext2fs_check_permitted(struct vnode * vp,struct inode * ip,accmode_t accmode,kauth_cred_t cred)227 ext2fs_check_permitted(struct vnode *vp, struct inode *ip, accmode_t accmode,
228 kauth_cred_t cred)
229 {
230
231 return kauth_authorize_vnode(cred, KAUTH_ACCESS_ACTION(accmode,
232 vp->v_type, ip->i_e2fs_mode & ALLPERMS), vp, NULL,
233 genfs_can_access(vp, cred, ip->i_uid, ip->i_gid,
234 ip->i_e2fs_mode & ALLPERMS, NULL, accmode));
235 }
236
237 int
ext2fs_access(void * v)238 ext2fs_access(void *v)
239 {
240 struct vop_access_args /* {
241 struct vnode *a_vp;
242 accmode_t a_accmode;
243 kauth_cred_t a_cred;
244 } */ *ap = v;
245 struct vnode *vp = ap->a_vp;
246 struct inode *ip = VTOI(vp);
247 accmode_t mode = ap->a_accmode;
248 int error;
249
250 error = ext2fs_check_possible(vp, ip, mode);
251 if (error)
252 return error;
253
254 error = ext2fs_check_permitted(vp, ip, mode, ap->a_cred);
255
256 return error;
257 }
258
259 /* ARGSUSED */
260 int
ext2fs_getattr(void * v)261 ext2fs_getattr(void *v)
262 {
263 struct vop_getattr_args /* {
264 struct vnode *a_vp;
265 struct vattr *a_vap;
266 kauth_cred_t a_cred;
267 } */ *ap = v;
268 struct vnode *vp = ap->a_vp;
269 struct inode *ip = VTOI(vp);
270 struct vattr *vap = ap->a_vap;
271
272 EXT2FS_ITIMES(ip, NULL, NULL, NULL);
273 /*
274 * Copy from inode table
275 */
276 vap->va_fsid = ip->i_dev;
277 vap->va_fileid = ip->i_number;
278 vap->va_mode = ip->i_e2fs_mode & ALLPERMS;
279 vap->va_nlink = ip->i_e2fs_nlink;
280 vap->va_uid = ip->i_uid;
281 vap->va_gid = ip->i_gid;
282 vap->va_rdev = (dev_t)fs2h32(ip->i_din.e2fs_din->e2di_rdev);
283 vap->va_size = vp->v_size;
284 EXT2_DINODE_TIME_GET(&vap->va_atime, ip->i_din.e2fs_din, e2di_atime, EXT2_DINODE_SIZE(ip->i_e2fs));
285 EXT2_DINODE_TIME_GET(&vap->va_mtime, ip->i_din.e2fs_din, e2di_mtime, EXT2_DINODE_SIZE(ip->i_e2fs));
286 EXT2_DINODE_TIME_GET(&vap->va_ctime, ip->i_din.e2fs_din, e2di_ctime, EXT2_DINODE_SIZE(ip->i_e2fs));
287 if (EXT2_DINODE_FITS(ip->i_din.e2fs_din, e2di_crtime, EXT2_DINODE_SIZE(ip->i_e2fs))) {
288 EXT2_DINODE_TIME_GET(&vap->va_birthtime, ip->i_din.e2fs_din, e2di_crtime, EXT2_DINODE_SIZE(ip->i_e2fs));
289 }
290
291 vap->va_flags = 0;
292 vap->va_flags |= (ip->i_e2fs_flags & EXT2_NODUMP) ? UF_NODUMP : 0;
293 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? SF_IMMUTABLE : 0;
294 vap->va_flags |= (ip->i_e2fs_flags & EXT2_APPEND) ? SF_APPEND : 0;
295
296 vap->va_gen = ip->i_e2fs_gen;
297 /* this doesn't belong here */
298 if (vp->v_type == VBLK)
299 vap->va_blocksize = BLKDEV_IOSIZE;
300 else if (vp->v_type == VCHR)
301 vap->va_blocksize = MAXBSIZE;
302 else
303 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize;
304 vap->va_bytes = dbtob(ext2fs_nblock(ip));
305 vap->va_type = vp->v_type;
306 vap->va_filerev = ip->i_modrev;
307 return 0;
308 }
309
310 /*
311 * Set attribute vnode op. called from several syscalls
312 */
313 int
ext2fs_setattr(void * v)314 ext2fs_setattr(void *v)
315 {
316 struct vop_setattr_args /* {
317 struct vnode *a_vp;
318 struct vattr *a_vap;
319 kauth_cred_t a_cred;
320 } */ *ap = v;
321 struct vattr *vap = ap->a_vap;
322 struct vnode *vp = ap->a_vp;
323 struct inode *ip = VTOI(vp);
324 kauth_cred_t cred = ap->a_cred;
325 struct lwp *l = curlwp;
326 int error;
327 kauth_action_t action = KAUTH_VNODE_WRITE_FLAGS;
328 bool changing_sysflags = false;
329
330 /*
331 * Check for unsettable attributes.
332 */
333 if ((vap->va_type != VNON) || (vap->va_nlink != (nlink_t)VNOVAL) ||
334 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) ||
335 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) ||
336 ((int)vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) {
337 return EINVAL;
338 }
339 if (vap->va_flags != VNOVAL) {
340 if (vp->v_mount->mnt_flag & MNT_RDONLY)
341 return EROFS;
342
343 /* Indicate we're changing system flags if we are. */
344 if ((vap->va_flags & SF_APPEND) ||
345 (vap->va_flags & SF_IMMUTABLE)) {
346 action |= KAUTH_VNODE_WRITE_SYSFLAGS;
347 changing_sysflags = true;
348 }
349
350 /* Indicate the node has system flags if it does. */
351 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE)) {
352 action |= KAUTH_VNODE_HAS_SYSFLAGS;
353 }
354
355 error = kauth_authorize_vnode(cred, action, vp, NULL,
356 genfs_can_chflags(vp, cred, ip->i_uid, changing_sysflags));
357 if (error)
358 return error;
359
360 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE | EXT2_NODUMP);
361 ip->i_e2fs_flags |=
362 (vap->va_flags & SF_APPEND) ? EXT2_APPEND : 0 |
363 (vap->va_flags & SF_IMMUTABLE) ? EXT2_IMMUTABLE : 0;
364 ip->i_e2fs_flags |=
365 (vap->va_flags & UF_NODUMP) ? EXT2_NODUMP : 0;
366 ip->i_flag |= IN_CHANGE;
367 if (vap->va_flags & (IMMUTABLE | APPEND))
368 return 0;
369 }
370 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE))
371 return EPERM;
372 /*
373 * Go through the fields and update iff not VNOVAL.
374 */
375 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) {
376 if (vp->v_mount->mnt_flag & MNT_RDONLY)
377 return EROFS;
378 error = ext2fs_chown(vp, vap->va_uid, vap->va_gid, cred, l);
379 if (error)
380 return error;
381 }
382 if (vap->va_size != VNOVAL) {
383 /*
384 * Disallow write attempts on read-only file systems;
385 * unless the file is a socket, fifo, or a block or
386 * character device resident on the file system.
387 */
388 switch (vp->v_type) {
389 case VDIR:
390 return EISDIR;
391 case VLNK:
392 case VREG:
393 if (vp->v_mount->mnt_flag & MNT_RDONLY)
394 return EROFS;
395 default:
396 break;
397 }
398 error = ext2fs_truncate(vp, vap->va_size, 0, cred);
399 if (error)
400 return error;
401 }
402 ip = VTOI(vp);
403 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL || vap->va_birthtime.tv_sec != VNOVAL) {
404 if (vp->v_mount->mnt_flag & MNT_RDONLY)
405 return EROFS;
406 error = kauth_authorize_vnode(cred, KAUTH_VNODE_WRITE_TIMES, vp,
407 NULL, genfs_can_chtimes(vp, cred, ip->i_uid,
408 vap->va_vaflags));
409 if (error)
410 return error;
411 if (vap->va_atime.tv_sec != VNOVAL)
412 if (!(vp->v_mount->mnt_flag & MNT_NOATIME))
413 ip->i_flag |= IN_ACCESS;
414 if (vap->va_mtime.tv_sec != VNOVAL) {
415 ip->i_flag |= IN_CHANGE | IN_UPDATE;
416 if (vp->v_mount->mnt_flag & MNT_RELATIME)
417 ip->i_flag |= IN_ACCESS;
418 }
419 if (vap->va_birthtime.tv_sec != VNOVAL &&
420 EXT2_DINODE_FITS(ip->i_din.e2fs_din, e2di_crtime, EXT2_DINODE_SIZE(ip->i_e2fs))) {
421
422 EXT2_DINODE_TIME_SET(&vap->va_birthtime, ip->i_din.e2fs_din, e2di_crtime, EXT2_DINODE_SIZE(ip->i_e2fs));
423 }
424 error = ext2fs_update(vp, &vap->va_atime, &vap->va_mtime,
425 UPDATE_WAIT);
426 if (error)
427 return error;
428 }
429 error = 0;
430 if (vap->va_mode != (mode_t)VNOVAL) {
431 if (vp->v_mount->mnt_flag & MNT_RDONLY)
432 return EROFS;
433 error = ext2fs_chmod(vp, (int)vap->va_mode, cred, l);
434 }
435 return error;
436 }
437
438 /*
439 * Change the mode on a file.
440 * Inode must be locked before calling.
441 */
442 static int
ext2fs_chmod(struct vnode * vp,int mode,kauth_cred_t cred,struct lwp * l)443 ext2fs_chmod(struct vnode *vp, int mode, kauth_cred_t cred, struct lwp *l)
444 {
445 struct inode *ip = VTOI(vp);
446 int error;
447
448 error = kauth_authorize_vnode(cred, KAUTH_VNODE_WRITE_SECURITY, vp,
449 NULL, genfs_can_chmod(vp, cred, ip->i_uid, ip->i_gid, mode));
450 if (error)
451 return error;
452
453 ip->i_e2fs_mode &= ~ALLPERMS;
454 ip->i_e2fs_mode |= (mode & ALLPERMS);
455 ip->i_flag |= IN_CHANGE;
456 return 0;
457 }
458
459 /*
460 * Perform chown operation on inode ip;
461 * inode must be locked prior to call.
462 */
463 static int
ext2fs_chown(struct vnode * vp,uid_t uid,gid_t gid,kauth_cred_t cred,struct lwp * l)464 ext2fs_chown(struct vnode *vp, uid_t uid, gid_t gid, kauth_cred_t cred,
465 struct lwp *l)
466 {
467 struct inode *ip = VTOI(vp);
468 uid_t ouid;
469 gid_t ogid;
470 int error;
471
472 if (uid == (uid_t)VNOVAL)
473 uid = ip->i_uid;
474 if (gid == (gid_t)VNOVAL)
475 gid = ip->i_gid;
476
477 error = kauth_authorize_vnode(cred, KAUTH_VNODE_CHANGE_OWNERSHIP, vp,
478 NULL, genfs_can_chown(vp, cred, ip->i_uid, ip->i_gid, uid, gid));
479 if (error)
480 return error;
481
482 ogid = ip->i_gid;
483 ouid = ip->i_uid;
484
485 ip->i_e2fs_gid = gid & 0xffff;
486 ip->i_e2fs_uid = uid & 0xffff;
487 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0) {
488 ip->i_e2fs_gid_high = (gid >> 16) & 0xffff;
489 ip->i_e2fs_uid_high = (uid >> 16) & 0xffff;
490 } else {
491 ip->i_e2fs_gid_high = 0;
492 ip->i_e2fs_uid_high = 0;
493 }
494 if (ouid != uid || ogid != gid) {
495 ext2fs_set_inode_guid(ip);
496 ip->i_flag |= IN_CHANGE;
497 }
498 if (ouid != uid && (ip->i_e2fs_mode & ISUID) &&
499 kauth_authorize_vnode(cred, KAUTH_VNODE_RETAIN_SUID,
500 vp, NULL, EPERM) != 0)
501 ip->i_e2fs_mode &= ~ISUID;
502 if (ogid != gid && (ip->i_e2fs_mode & ISGID) &&
503 kauth_authorize_vnode(cred, KAUTH_VNODE_RETAIN_SGID,
504 vp, NULL, EPERM) != 0)
505 ip->i_e2fs_mode &= ~ISGID;
506 return 0;
507 }
508
509 int
ext2fs_remove(void * v)510 ext2fs_remove(void *v)
511 {
512 struct vop_remove_v3_args /* {
513 struct vnode *a_dvp;
514 struct vnode *a_vp;
515 struct componentname *a_cnp;
516 nlink_t ctx_vp_new_nlink;
517 } */ *ap = v;
518 struct inode *ip;
519 struct vnode *vp = ap->a_vp;
520 struct vnode *dvp = ap->a_dvp;
521 struct ufs_lookup_results *ulr;
522 int error;
523
524 /* XXX should handle this material another way */
525 ulr = &VTOI(dvp)->i_crap;
526 UFS_CHECK_CRAPCOUNTER(VTOI(dvp));
527
528 ip = VTOI(vp);
529 if (vp->v_type == VDIR ||
530 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) ||
531 (VTOI(dvp)->i_e2fs_flags & EXT2_APPEND)) {
532 error = EPERM;
533 } else {
534 error = ext2fs_dirremove(dvp, ulr, ap->a_cnp);
535 if (error == 0) {
536 ip->i_e2fs_nlink--;
537 ip->i_flag |= IN_CHANGE;
538 ap->ctx_vp_new_nlink = ip->i_e2fs_nlink;
539 }
540 }
541
542 if (dvp == vp)
543 vrele(vp);
544 else
545 vput(vp);
546 return error;
547 }
548
549 /*
550 * ext2fs_link: create hard link.
551 */
552 int
ext2fs_link(void * v)553 ext2fs_link(void *v)
554 {
555 struct vop_link_v2_args /* {
556 struct vnode *a_dvp;
557 struct vnode *a_vp;
558 struct componentname *a_cnp;
559 } */ *ap = v;
560 struct vnode *dvp = ap->a_dvp;
561 struct vnode *vp = ap->a_vp;
562 struct componentname *cnp = ap->a_cnp;
563 struct inode *ip;
564 int error, abrt = 1;
565 struct ufs_lookup_results *ulr;
566
567 KASSERT(dvp != vp);
568 KASSERT(vp->v_type != VDIR);
569 KASSERT(dvp->v_mount == vp->v_mount);
570
571 /* XXX should handle this material another way */
572 ulr = &VTOI(dvp)->i_crap;
573 UFS_CHECK_CRAPCOUNTER(VTOI(dvp));
574
575 error = vn_lock(vp, LK_EXCLUSIVE);
576 if (error)
577 goto out2;
578 error = kauth_authorize_vnode(cnp->cn_cred, KAUTH_VNODE_ADD_LINK, vp,
579 dvp, 0);
580 if (error)
581 goto out1;
582 ip = VTOI(vp);
583 if ((nlink_t)ip->i_e2fs_nlink >= EXT2FS_LINK_MAX) {
584 error = EMLINK;
585 goto out1;
586 }
587 if (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) {
588 error = EPERM;
589 goto out1;
590 }
591 ip->i_e2fs_nlink++;
592 ip->i_flag |= IN_CHANGE;
593 abrt = 0;
594 error = ext2fs_update(vp, NULL, NULL, UPDATE_WAIT);
595 if (!error)
596 error = ext2fs_direnter(ip, dvp, ulr, cnp);
597 if (error) {
598 ip->i_e2fs_nlink--;
599 ip->i_flag |= IN_CHANGE;
600 }
601 out1:
602 VOP_UNLOCK(vp);
603 out2:
604 if (abrt)
605 VOP_ABORTOP(dvp, cnp);
606 return error;
607 }
608
609 /*
610 * Mkdir system call
611 */
612 int
ext2fs_mkdir(void * v)613 ext2fs_mkdir(void *v)
614 {
615 struct vop_mkdir_v3_args /* {
616 struct vnode *a_dvp;
617 struct vnode **a_vpp;
618 struct componentname *a_cnp;
619 struct vattr *a_vap;
620 } */ *ap = v;
621 struct vnode *dvp = ap->a_dvp;
622 struct componentname *cnp = ap->a_cnp;
623 struct inode *ip, *dp = VTOI(dvp);
624 struct vnode *tvp;
625 struct ext2fs_dirtemplate dirtemplate;
626 int error;
627 struct ufs_lookup_results *ulr;
628
629 /* XXX should handle this material another way */
630 ulr = &VTOI(dvp)->i_crap;
631 UFS_CHECK_CRAPCOUNTER(VTOI(dvp));
632
633 KASSERT(ap->a_vap->va_type == VDIR);
634
635 /*
636 * Acquire the inode, but don't sync/direnter it just yet
637 */
638 error = ext2fs_makeinode(ap->a_vap, ap->a_dvp, &tvp, ap->a_cnp, 0);
639 if (error)
640 goto out;
641
642 /* the link count is going to be 2 when all is done */
643 ip = VTOI(tvp);
644 ip->i_e2fs_nlink = 2;
645
646 /*
647 * Bump link count in parent directory
648 * to reflect work done below. Should
649 * be done before reference is created
650 * so reparation is possible if we crash.
651 */
652 if (dp->i_e2fs_nlink != EXT2FS_LINK_INF)
653 dp->i_e2fs_nlink++;
654
655 /*
656 * If we hit the link limit, for directories just set the nlink
657 * to special value 1, which means the link count is bigger
658 * than EXT2FS_LINK_MAX.
659 */
660 if ((nlink_t)dp->i_e2fs_nlink >= EXT2FS_LINK_MAX) {
661 dp->i_e2fs_nlink = EXT2FS_LINK_INF;
662
663 /* set the feature flag DIR_NLINK if not set already */
664 if (!EXT2F_HAS_ROCOMPAT_FEATURE(dp->i_e2fs, EXT2F_ROCOMPAT_DIR_NLINK)) {
665 dp->i_e2fs->e2fs.e2fs_features_rocompat |= EXT2F_ROCOMPAT_DIR_NLINK;
666 dp->i_e2fs->e2fs_fmod = 1;
667 }
668 }
669
670 dp->i_flag |= IN_CHANGE;
671 if ((error = ext2fs_update(dvp, NULL, NULL, UPDATE_DIROP)) != 0)
672 goto bad;
673
674 /* Initialize directory with "." and ".." from static template. */
675 memset(&dirtemplate, 0, sizeof(dirtemplate));
676 dirtemplate.dot_ino = h2fs32(ip->i_number);
677 dirtemplate.dot_reclen = h2fs16(12);
678 dirtemplate.dot_namlen = 1;
679 if (EXT2F_HAS_INCOMPAT_FEATURE(dp->i_e2fs, EXT2F_INCOMPAT_FTYPE)) {
680 dirtemplate.dot_type = EXT2_FT_DIR;
681 }
682 dirtemplate.dot_name[0] = '.';
683 dirtemplate.dotdot_ino = h2fs32(dp->i_number);
684 dirtemplate.dotdot_reclen = h2fs16(VTOI(dvp)->i_e2fs->e2fs_bsize - 12);
685 dirtemplate.dotdot_namlen = 2;
686 if (EXT2F_HAS_INCOMPAT_FEATURE(dp->i_e2fs, EXT2F_INCOMPAT_FTYPE)) {
687 dirtemplate.dotdot_type = EXT2_FT_DIR;
688 }
689 dirtemplate.dotdot_name[0] = dirtemplate.dotdot_name[1] = '.';
690 error = ufs_bufio(UIO_WRITE, tvp, (void *)&dirtemplate,
691 sizeof (dirtemplate), (off_t)0, IO_NODELOCKED|IO_SYNC,
692 cnp->cn_cred, (size_t *)0, NULL);
693 if (error) {
694 if (dp->i_e2fs_nlink != EXT2FS_LINK_INF)
695 dp->i_e2fs_nlink--;
696 dp->i_flag |= IN_CHANGE;
697 goto bad;
698 }
699 if (VTOI(dvp)->i_e2fs->e2fs_bsize > dvp->v_mount->mnt_stat.f_bsize)
700 panic("ext2fs_mkdir: blksize"); /* XXX should grow with balloc() */
701 else {
702 error = ext2fs_setsize(ip, VTOI(dvp)->i_e2fs->e2fs_bsize);
703 if (error) {
704 if (dp->i_e2fs_nlink != EXT2FS_LINK_INF)
705 dp->i_e2fs_nlink--;
706 dp->i_flag |= IN_CHANGE;
707 goto bad;
708 }
709 ip->i_flag |= IN_CHANGE;
710 uvm_vnp_setsize(tvp, ext2fs_size(ip));
711 }
712
713 /* Directory set up, now install its entry in the parent directory. */
714 error = ext2fs_direnter(ip, dvp, ulr, cnp);
715 if (error != 0) {
716 if (dp->i_e2fs_nlink != EXT2FS_LINK_INF)
717 dp->i_e2fs_nlink--;
718 dp->i_flag |= IN_CHANGE;
719 }
720 bad:
721 /*
722 * No need to do an explicit ext2fs_truncate here, vrele will do this
723 * for us because we set the link count to 0.
724 */
725 if (error) {
726 ip->i_e2fs_nlink = 0;
727 ip->i_flag |= IN_CHANGE;
728 vput(tvp);
729 } else {
730 VOP_UNLOCK(tvp);
731 *ap->a_vpp = tvp;
732 }
733 out:
734 return error;
735 }
736
737 /*
738 * Rmdir system call.
739 */
740 int
ext2fs_rmdir(void * v)741 ext2fs_rmdir(void *v)
742 {
743 struct vop_rmdir_v2_args /* {
744 struct vnode *a_dvp;
745 struct vnode *a_vp;
746 struct componentname *a_cnp;
747 } */ *ap = v;
748 struct vnode *vp = ap->a_vp;
749 struct vnode *dvp = ap->a_dvp;
750 struct componentname *cnp = ap->a_cnp;
751 struct inode *ip, *dp;
752 int error;
753 struct ufs_lookup_results *ulr;
754
755 ip = VTOI(vp);
756 dp = VTOI(dvp);
757
758 /* XXX should handle this material another way */
759 ulr = &dp->i_crap;
760 UFS_CHECK_CRAPCOUNTER(dp);
761
762 /*
763 * No rmdir "." please.
764 */
765 if (dp == ip) {
766 vrele(vp);
767 return EINVAL;
768 }
769 /*
770 * Verify the directory is empty (and valid).
771 * (Rmdir ".." won't be valid since
772 * ".." will contain a reference to
773 * the current directory and thus be
774 * non-empty.)
775 */
776 error = 0;
777 if ((ip->i_e2fs_nlink != 2 && ip->i_e2fs_nlink != EXT2FS_LINK_INF) ||
778 !ext2fs_dirempty(ip, dp->i_number, cnp->cn_cred)) {
779 error = ENOTEMPTY;
780 goto out;
781 }
782 if ((dp->i_e2fs_flags & EXT2_APPEND) ||
783 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND))) {
784 error = EPERM;
785 goto out;
786 }
787 /*
788 * Delete reference to directory before purging
789 * inode. If we crash in between, the directory
790 * will be reattached to lost+found,
791 */
792 error = ext2fs_dirremove(dvp, ulr, cnp);
793 if (error != 0)
794 goto out;
795 if (dp->i_e2fs_nlink != EXT2FS_LINK_INF)
796 dp->i_e2fs_nlink--;
797 dp->i_flag |= IN_CHANGE;
798 cache_purge(dvp);
799 /*
800 * Truncate inode. The only stuff left
801 * in the directory is "." and "..". The
802 * "." reference is inconsequential since
803 * we're quashing it. The ".." reference
804 * has already been adjusted above. We've
805 * removed the "." reference and the reference
806 * in the parent directory, but there may be
807 * other hard links so decrement by 2 and
808 * worry about them later.
809 */
810 ip->i_e2fs_nlink -= 2;
811 error = ext2fs_truncate(vp, (off_t)0, IO_SYNC, cnp->cn_cred);
812 cache_purge(ITOV(ip));
813 out:
814 vput(vp);
815 return error;
816 }
817
818 /*
819 * symlink -- make a symbolic link
820 */
821 int
ext2fs_symlink(void * v)822 ext2fs_symlink(void *v)
823 {
824 struct vop_symlink_v3_args /* {
825 struct vnode *a_dvp;
826 struct vnode **a_vpp;
827 struct componentname *a_cnp;
828 struct vattr *a_vap;
829 char *a_target;
830 } */ *ap = v;
831 struct vnode *vp, **vpp;
832 struct inode *ip;
833 int len, error;
834
835 vpp = ap->a_vpp;
836 KASSERT(ap->a_vap->va_type == VLNK);
837 error = ext2fs_makeinode(ap->a_vap, ap->a_dvp, vpp, ap->a_cnp, 1);
838 if (error)
839 return error;
840 vp = *vpp;
841 len = strlen(ap->a_target);
842 ip = VTOI(vp);
843 if (len < ip->i_ump->um_maxsymlinklen) {
844 memcpy(ip->i_din.e2fs_din->e2di_shortlink, ap->a_target, len);
845 error = ext2fs_setsize(ip, len);
846 if (error)
847 goto bad;
848 ip->i_flag |= IN_CHANGE | IN_UPDATE;
849 if (vp->v_mount->mnt_flag & MNT_RELATIME)
850 ip->i_flag |= IN_ACCESS;
851 uvm_vnp_setsize(vp, len);
852 } else
853 error = ufs_bufio(UIO_WRITE, vp, ap->a_target, len, (off_t)0,
854 IO_NODELOCKED, ap->a_cnp->cn_cred, (size_t *)0, NULL);
855 bad:
856 VOP_UNLOCK(vp);
857 if (error)
858 vrele(vp);
859 return error;
860 }
861
862 /*
863 * Return target name of a symbolic link
864 */
865 int
ext2fs_readlink(void * v)866 ext2fs_readlink(void *v)
867 {
868 struct vop_readlink_args /* {
869 struct vnode *a_vp;
870 struct uio *a_uio;
871 kauth_cred_t a_cred;
872 } */ *ap = v;
873 struct vnode *vp = ap->a_vp;
874 struct inode *ip = VTOI(vp);
875 struct ufsmount *ump = ip->i_ump;
876 int isize;
877
878 isize = ext2fs_size(ip);
879 if (isize < ump->um_maxsymlinklen ||
880 (ump->um_maxsymlinklen == 0 && ext2fs_nblock(ip) == 0)) {
881 uiomove(ip->i_din.e2fs_din->e2di_shortlink, isize, ap->a_uio);
882 return 0;
883 }
884 return UFS_BUFRD(vp, ap->a_uio, 0, ap->a_cred);
885 }
886
887 /*
888 * Advisory record locking support
889 */
890 int
ext2fs_advlock(void * v)891 ext2fs_advlock(void *v)
892 {
893 struct vop_advlock_args /* {
894 struct vnode *a_vp;
895 void * a_id;
896 int a_op;
897 struct flock *a_fl;
898 int a_flags;
899 } */ *ap = v;
900 struct inode *ip = VTOI(ap->a_vp);
901
902 return lf_advlock(ap, &ip->i_lockf, ext2fs_size(ip));
903 }
904
905 int
ext2fs_fsync(void * v)906 ext2fs_fsync(void *v)
907 {
908 struct vop_fsync_args /* {
909 struct vnode *a_vp;
910 kauth_cred_t a_cred;
911 int a_flags;
912 off_t offlo;
913 off_t offhi;
914 struct proc *a_p;
915 } */ *ap = v;
916 struct vnode *vp = ap->a_vp;
917 int wait;
918 int error;
919
920 wait = (ap->a_flags & FSYNC_WAIT) != 0;
921
922 if (vp->v_type == VBLK)
923 error = spec_fsync(v);
924 else
925 error = vflushbuf(vp, ap->a_flags);
926 if (error == 0 && (ap->a_flags & FSYNC_DATAONLY) == 0)
927 error = ext2fs_update(vp, NULL, NULL, wait ? UPDATE_WAIT : 0);
928
929 if (error == 0 && ap->a_flags & FSYNC_CACHE) {
930 int l = 0;
931 error = VOP_IOCTL(VTOI(vp)->i_devvp, DIOCCACHESYNC, &l, FWRITE,
932 curlwp->l_cred);
933 }
934
935 return error;
936 }
937
938 /*
939 * Initialize the vnode associated with a new inode, handle aliased
940 * vnodes.
941 */
942 int
ext2fs_vinit(struct mount * mntp,int (** specops)(void *),int (** fifoops)(void *),struct vnode ** vpp)943 ext2fs_vinit(struct mount *mntp, int (**specops)(void *),
944 int (**fifoops)(void *), struct vnode **vpp)
945 {
946 struct timeval tv;
947 struct inode *ip;
948 struct vnode *vp;
949
950 vp = *vpp;
951 ip = VTOI(vp);
952 switch(vp->v_type = IFTOVT(ip->i_e2fs_mode)) {
953 case VCHR:
954 case VBLK:
955 vp->v_op = specops;
956 spec_node_init(vp, fs2h32(ip->i_din.e2fs_din->e2di_rdev));
957 break;
958 case VFIFO:
959 vp->v_op = fifoops;
960 break;
961 case VNON:
962 case VBAD:
963 case VSOCK:
964 case VLNK:
965 case VDIR:
966 case VREG:
967 break;
968 }
969 if (ip->i_number == UFS_ROOTINO)
970 vp->v_vflag |= VV_ROOT;
971 /*
972 * Initialize modrev times
973 */
974 getmicrouptime(&tv);
975 SETHIGH(ip->i_modrev, tv.tv_sec);
976 SETLOW(ip->i_modrev, tv.tv_usec * 4294U);
977 *vpp = vp;
978 return 0;
979 }
980
981 /*
982 * Allocate a new inode.
983 */
984 static int
ext2fs_makeinode(struct vattr * vap,struct vnode * dvp,struct vnode ** vpp,struct componentname * cnp,int do_direnter)985 ext2fs_makeinode(struct vattr *vap, struct vnode *dvp, struct vnode **vpp,
986 struct componentname *cnp, int do_direnter)
987 {
988 struct inode *ip, *pdir;
989 struct vnode *tvp;
990 int error;
991 struct ufs_lookup_results *ulr;
992
993 pdir = VTOI(dvp);
994
995 /* XXX should handle this material another way */
996 ulr = &pdir->i_crap;
997 UFS_CHECK_CRAPCOUNTER(pdir);
998
999 *vpp = NULL;
1000
1001 error = vcache_new(dvp->v_mount, dvp, vap, cnp->cn_cred, NULL, &tvp);
1002 if (error)
1003 return error;
1004 error = vn_lock(tvp, LK_EXCLUSIVE);
1005 if (error) {
1006 vrele(tvp);
1007 return error;
1008 }
1009 ip = VTOI(tvp);
1010 if (do_direnter) {
1011 /*
1012 * Make sure inode goes to disk before directory entry.
1013 */
1014 if ((error = ext2fs_update(tvp, NULL, NULL, UPDATE_WAIT)) != 0)
1015 goto bad;
1016 error = ext2fs_direnter(ip, dvp, ulr, cnp);
1017 if (error != 0)
1018 goto bad;
1019 }
1020
1021 *vpp = tvp;
1022 cache_enter(dvp, *vpp, cnp->cn_nameptr, cnp->cn_namelen, cnp->cn_flags);
1023 return 0;
1024
1025 bad:
1026 /*
1027 * Write error occurred trying to update the inode
1028 * or the directory so must deallocate the inode.
1029 */
1030 ip->i_e2fs_nlink = 0;
1031 ip->i_flag |= IN_CHANGE;
1032 vput(tvp);
1033 return error;
1034 }
1035
1036 /*
1037 * Reclaim an inode so that it can be used for other purposes.
1038 */
1039 int
ext2fs_reclaim(void * v)1040 ext2fs_reclaim(void *v)
1041 {
1042 struct vop_reclaim_v2_args /* {
1043 struct vnode *a_vp;
1044 } */ *ap = v;
1045 struct vnode *vp = ap->a_vp;
1046 struct inode *ip = VTOI(vp);
1047 int error;
1048
1049 VOP_UNLOCK(vp);
1050
1051 /*
1052 * The inode must be freed and updated before being removed
1053 * from its hash chain. Other threads trying to gain a hold
1054 * or lock on the inode will be stalled.
1055 */
1056 if (ip->i_omode == 1 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0)
1057 ext2fs_vfree(vp, ip->i_number, ip->i_e2fs_mode);
1058 if ((error = ufs_reclaim(vp)) != 0)
1059 return error;
1060 if (ip->i_din.e2fs_din != NULL)
1061 kmem_free(ip->i_din.e2fs_din, EXT2_DINODE_SIZE(ip->i_e2fs));
1062 genfs_node_destroy(vp);
1063 pool_put(&ext2fs_inode_pool, vp->v_data);
1064 vp->v_data = NULL;
1065 return 0;
1066 }
1067
1068 /* Global vfs data structures for ext2fs. */
1069 int (**ext2fs_vnodeop_p)(void *);
1070 const struct vnodeopv_entry_desc ext2fs_vnodeop_entries[] = {
1071 { &vop_default_desc, vn_default_error },
1072 { &vop_parsepath_desc, genfs_parsepath }, /* parsepath */
1073 { &vop_lookup_desc, ext2fs_lookup }, /* lookup */
1074 { &vop_create_desc, ext2fs_create }, /* create */
1075 { &vop_mknod_desc, ext2fs_mknod }, /* mknod */
1076 { &vop_open_desc, ext2fs_open }, /* open */
1077 { &vop_close_desc, ufs_close }, /* close */
1078 { &vop_access_desc, ext2fs_access }, /* access */
1079 { &vop_accessx_desc, genfs_accessx }, /* accessx */
1080 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */
1081 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */
1082 { &vop_read_desc, ext2fs_read }, /* read */
1083 { &vop_write_desc, ext2fs_write }, /* write */
1084 { &vop_fallocate_desc, genfs_eopnotsupp }, /* fallocate */
1085 { &vop_fdiscard_desc, genfs_eopnotsupp }, /* fdiscard */
1086 { &vop_ioctl_desc, genfs_enoioctl }, /* ioctl */
1087 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1088 { &vop_poll_desc, genfs_poll }, /* poll */
1089 { &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */
1090 { &vop_revoke_desc, genfs_revoke }, /* revoke */
1091 { &vop_mmap_desc, genfs_mmap }, /* mmap */
1092 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */
1093 { &vop_seek_desc, genfs_seek }, /* seek */
1094 { &vop_remove_desc, ext2fs_remove }, /* remove */
1095 { &vop_link_desc, ext2fs_link }, /* link */
1096 { &vop_rename_desc, ext2fs_rename }, /* rename */
1097 { &vop_mkdir_desc, ext2fs_mkdir }, /* mkdir */
1098 { &vop_rmdir_desc, ext2fs_rmdir }, /* rmdir */
1099 { &vop_symlink_desc, ext2fs_symlink }, /* symlink */
1100 { &vop_readdir_desc, ext2fs_readdir }, /* readdir */
1101 { &vop_readlink_desc, ext2fs_readlink }, /* readlink */
1102 { &vop_abortop_desc, genfs_abortop }, /* abortop */
1103 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */
1104 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */
1105 { &vop_lock_desc, genfs_lock }, /* lock */
1106 { &vop_unlock_desc, genfs_unlock }, /* unlock */
1107 { &vop_bmap_desc, ext2fs_bmap }, /* bmap */
1108 { &vop_strategy_desc, ufs_strategy }, /* strategy */
1109 { &vop_print_desc, ufs_print }, /* print */
1110 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1111 { &vop_pathconf_desc, ufs_pathconf }, /* pathconf */
1112 { &vop_advlock_desc, ext2fs_advlock }, /* advlock */
1113 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */
1114 { &vop_getpages_desc, genfs_getpages }, /* getpages */
1115 { &vop_putpages_desc, genfs_putpages }, /* putpages */
1116 { &vop_getextattr_desc, ext2fs_getextattr }, /* getextattr */
1117 { &vop_setextattr_desc, ext2fs_setextattr }, /* setextattr */
1118 { &vop_listextattr_desc, ext2fs_listextattr }, /* listextattr */
1119 { &vop_deleteextattr_desc, ext2fs_deleteextattr },/* deleteextattr */
1120 { NULL, NULL }
1121 };
1122 const struct vnodeopv_desc ext2fs_vnodeop_opv_desc =
1123 { &ext2fs_vnodeop_p, ext2fs_vnodeop_entries };
1124
1125 int (**ext2fs_specop_p)(void *);
1126 const struct vnodeopv_entry_desc ext2fs_specop_entries[] = {
1127 { &vop_default_desc, vn_default_error },
1128 GENFS_SPECOP_ENTRIES,
1129 { &vop_close_desc, ufsspec_close }, /* close */
1130 { &vop_access_desc, ext2fs_access }, /* access */
1131 { &vop_accessx_desc, genfs_accessx }, /* accessx */
1132 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */
1133 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */
1134 { &vop_read_desc, ufsspec_read }, /* read */
1135 { &vop_write_desc, ufsspec_write }, /* write */
1136 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1137 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */
1138 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */
1139 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */
1140 { &vop_lock_desc, genfs_lock }, /* lock */
1141 { &vop_unlock_desc, genfs_unlock }, /* unlock */
1142 { &vop_print_desc, ufs_print }, /* print */
1143 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1144 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */
1145 { &vop_getextattr_desc, ext2fs_getextattr }, /* getextattr */
1146 { &vop_setextattr_desc, ext2fs_setextattr }, /* setextattr */
1147 { &vop_listextattr_desc, ext2fs_listextattr }, /* listextattr */
1148 { &vop_deleteextattr_desc, ext2fs_deleteextattr },/* deleteextattr */
1149 { NULL, NULL }
1150 };
1151 const struct vnodeopv_desc ext2fs_specop_opv_desc =
1152 { &ext2fs_specop_p, ext2fs_specop_entries };
1153
1154 int (**ext2fs_fifoop_p)(void *);
1155 const struct vnodeopv_entry_desc ext2fs_fifoop_entries[] = {
1156 { &vop_default_desc, vn_default_error },
1157 GENFS_FIFOOP_ENTRIES,
1158 { &vop_close_desc, ufsfifo_close }, /* close */
1159 { &vop_access_desc, ext2fs_access }, /* access */
1160 { &vop_accessx_desc, genfs_accessx }, /* accessx */
1161 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */
1162 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */
1163 { &vop_read_desc, ufsfifo_read }, /* read */
1164 { &vop_write_desc, ufsfifo_write }, /* write */
1165 { &vop_fcntl_desc, genfs_fcntl }, /* fcntl */
1166 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */
1167 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */
1168 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */
1169 { &vop_lock_desc, genfs_lock }, /* lock */
1170 { &vop_unlock_desc, genfs_unlock }, /* unlock */
1171 { &vop_strategy_desc, vn_fifo_bypass }, /* strategy */
1172 { &vop_print_desc, ufs_print }, /* print */
1173 { &vop_islocked_desc, genfs_islocked }, /* islocked */
1174 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */
1175 { &vop_getextattr_desc, ext2fs_getextattr }, /* getextattr */
1176 { &vop_setextattr_desc, ext2fs_setextattr }, /* setextattr */
1177 { &vop_listextattr_desc, ext2fs_listextattr }, /* listextattr */
1178 { &vop_deleteextattr_desc, ext2fs_deleteextattr },/* deleteextattr */
1179 { NULL, NULL }
1180 };
1181 const struct vnodeopv_desc ext2fs_fifoop_opv_desc =
1182 { &ext2fs_fifoop_p, ext2fs_fifoop_entries };
1183