ext2fs_vnops.c revision 1.112
1 /* $NetBSD: ext2fs_vnops.c,v 1.112 2014/05/25 13:47:22 hannken 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 1.112 2014/05/25 13:47:22 hannken 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/malloc.h> 83 #include <sys/pool.h> 84 #include <sys/signalvar.h> 85 #include <sys/kauth.h> 86 87 #include <miscfs/fifofs/fifo.h> 88 #include <miscfs/genfs/genfs.h> 89 #include <miscfs/specfs/specdev.h> 90 91 #include <ufs/ufs/inode.h> 92 #include <ufs/ufs/ufs_extern.h> 93 #include <ufs/ufs/ufsmount.h> 94 95 #include <ufs/ext2fs/ext2fs.h> 96 #include <ufs/ext2fs/ext2fs_extern.h> 97 #include <ufs/ext2fs/ext2fs_dir.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 *); 104 105 union _qcvt { 106 int64_t qcvt; 107 int32_t val[2]; 108 }; 109 110 #define SETHIGH(q, h) { \ 111 union _qcvt tmp; \ 112 tmp.qcvt = (q); \ 113 tmp.val[_QUAD_HIGHWORD] = (h); \ 114 (q) = tmp.qcvt; \ 115 } 116 #define SETLOW(q, l) { \ 117 union _qcvt tmp; \ 118 tmp.qcvt = (q); \ 119 tmp.val[_QUAD_LOWWORD] = (l); \ 120 (q) = tmp.qcvt; \ 121 } 122 123 /* 124 * Create a regular file 125 */ 126 int 127 ext2fs_create(void *v) 128 { 129 struct vop_create_v3_args /* { 130 struct vnode *a_dvp; 131 struct vnode **a_vpp; 132 struct componentname *a_cnp; 133 struct vattr *a_vap; 134 } */ *ap = v; 135 int error; 136 137 error = 138 ext2fs_makeinode(MAKEIMODE(ap->a_vap->va_type, ap->a_vap->va_mode), 139 ap->a_dvp, ap->a_vpp, ap->a_cnp); 140 141 if (error) 142 return (error); 143 VN_KNOTE(ap->a_dvp, NOTE_WRITE); 144 VOP_UNLOCK(*ap->a_vpp); 145 return (0); 146 } 147 148 /* 149 * Mknod vnode call 150 */ 151 /* ARGSUSED */ 152 int 153 ext2fs_mknod(void *v) 154 { 155 struct vop_mknod_v3_args /* { 156 struct vnode *a_dvp; 157 struct vnode **a_vpp; 158 struct componentname *a_cnp; 159 struct vattr *a_vap; 160 } */ *ap = v; 161 struct vattr *vap = ap->a_vap; 162 struct vnode **vpp = ap->a_vpp; 163 struct inode *ip; 164 int error; 165 struct mount *mp; 166 ino_t ino; 167 168 if ((error = ext2fs_makeinode(MAKEIMODE(vap->va_type, vap->va_mode), 169 ap->a_dvp, vpp, ap->a_cnp)) != 0) 170 return (error); 171 VN_KNOTE(ap->a_dvp, NOTE_WRITE); 172 ip = VTOI(*vpp); 173 mp = (*vpp)->v_mount; 174 ino = ip->i_number; 175 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 176 if (vap->va_rdev != VNOVAL) { 177 /* 178 * Want to be able to use this to make badblock 179 * inodes, so don't truncate the dev number. 180 */ 181 ip->i_din.e2fs_din->e2di_rdev = h2fs32(vap->va_rdev); 182 } 183 /* 184 * Remove inode so that it will be reloaded by vcache_get and 185 * checked to see if it is an alias of an existing entry in 186 * the inode cache. 187 */ 188 (*vpp)->v_type = VNON; 189 VOP_UNLOCK(*vpp); 190 vgone(*vpp); 191 error = vcache_get(mp, &ino, sizeof(ino), vpp); 192 if (error != 0) { 193 *vpp = NULL; 194 return (error); 195 } 196 return (0); 197 } 198 199 /* 200 * Open called. 201 * 202 * Just check the APPEND flag. 203 */ 204 /* ARGSUSED */ 205 int 206 ext2fs_open(void *v) 207 { 208 struct vop_open_args /* { 209 struct vnode *a_vp; 210 int a_mode; 211 kauth_cred_t a_cred; 212 } */ *ap = v; 213 214 /* 215 * Files marked append-only must be opened for appending. 216 */ 217 if ((VTOI(ap->a_vp)->i_e2fs_flags & EXT2_APPEND) && 218 (ap->a_mode & (FWRITE | O_APPEND)) == FWRITE) 219 return (EPERM); 220 return (0); 221 } 222 223 static int 224 ext2fs_check_possible(struct vnode *vp, struct inode *ip, mode_t mode) 225 { 226 227 /* 228 * Disallow write attempts on read-only file systems; 229 * unless the file is a socket, fifo, or a block or 230 * character device resident on the file system. 231 */ 232 if (mode & VWRITE) { 233 switch (vp->v_type) { 234 case VDIR: 235 case VLNK: 236 case VREG: 237 if (vp->v_mount->mnt_flag & MNT_RDONLY) 238 return (EROFS); 239 break; 240 default: 241 break; 242 } 243 } 244 245 /* If immutable bit set, nobody gets to write it. */ 246 if ((mode & VWRITE) && (ip->i_e2fs_flags & EXT2_IMMUTABLE)) 247 return (EPERM); 248 249 return 0; 250 } 251 252 static int 253 ext2fs_check_permitted(struct vnode *vp, struct inode *ip, mode_t mode, 254 kauth_cred_t cred) 255 { 256 257 return kauth_authorize_vnode(cred, KAUTH_ACCESS_ACTION(mode, vp->v_type, 258 ip->i_e2fs_mode & ALLPERMS), vp, NULL, genfs_can_access(vp->v_type, 259 ip->i_e2fs_mode & ALLPERMS, ip->i_uid, ip->i_gid, mode, cred)); 260 } 261 262 int 263 ext2fs_access(void *v) 264 { 265 struct vop_access_args /* { 266 struct vnode *a_vp; 267 int a_mode; 268 kauth_cred_t a_cred; 269 } */ *ap = v; 270 struct vnode *vp = ap->a_vp; 271 struct inode *ip = VTOI(vp); 272 mode_t mode = ap->a_mode; 273 int error; 274 275 error = ext2fs_check_possible(vp, ip, mode); 276 if (error) 277 return error; 278 279 error = ext2fs_check_permitted(vp, ip, mode, ap->a_cred); 280 281 return error; 282 } 283 284 /* ARGSUSED */ 285 int 286 ext2fs_getattr(void *v) 287 { 288 struct vop_getattr_args /* { 289 struct vnode *a_vp; 290 struct vattr *a_vap; 291 kauth_cred_t a_cred; 292 } */ *ap = v; 293 struct vnode *vp = ap->a_vp; 294 struct inode *ip = VTOI(vp); 295 struct vattr *vap = ap->a_vap; 296 297 EXT2FS_ITIMES(ip, NULL, NULL, NULL); 298 /* 299 * Copy from inode table 300 */ 301 vap->va_fsid = ip->i_dev; 302 vap->va_fileid = ip->i_number; 303 vap->va_mode = ip->i_e2fs_mode & ALLPERMS; 304 vap->va_nlink = ip->i_e2fs_nlink; 305 vap->va_uid = ip->i_uid; 306 vap->va_gid = ip->i_gid; 307 vap->va_rdev = (dev_t)fs2h32(ip->i_din.e2fs_din->e2di_rdev); 308 vap->va_size = vp->v_size; 309 vap->va_atime.tv_sec = ip->i_e2fs_atime; 310 vap->va_atime.tv_nsec = 0; 311 vap->va_mtime.tv_sec = ip->i_e2fs_mtime; 312 vap->va_mtime.tv_nsec = 0; 313 vap->va_ctime.tv_sec = ip->i_e2fs_ctime; 314 vap->va_ctime.tv_nsec = 0; 315 #ifdef EXT2FS_SYSTEM_FLAGS 316 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? SF_APPEND : 0; 317 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? SF_IMMUTABLE : 0; 318 #else 319 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? UF_APPEND : 0; 320 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? UF_IMMUTABLE : 0; 321 #endif 322 vap->va_gen = ip->i_e2fs_gen; 323 /* this doesn't belong here */ 324 if (vp->v_type == VBLK) 325 vap->va_blocksize = BLKDEV_IOSIZE; 326 else if (vp->v_type == VCHR) 327 vap->va_blocksize = MAXBSIZE; 328 else 329 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 330 vap->va_bytes = dbtob(ext2fs_nblock(ip)); 331 vap->va_type = vp->v_type; 332 vap->va_filerev = ip->i_modrev; 333 return (0); 334 } 335 336 /* 337 * Set attribute vnode op. called from several syscalls 338 */ 339 int 340 ext2fs_setattr(void *v) 341 { 342 struct vop_setattr_args /* { 343 struct vnode *a_vp; 344 struct vattr *a_vap; 345 kauth_cred_t a_cred; 346 } */ *ap = v; 347 struct vattr *vap = ap->a_vap; 348 struct vnode *vp = ap->a_vp; 349 struct inode *ip = VTOI(vp); 350 kauth_cred_t cred = ap->a_cred; 351 struct lwp *l = curlwp; 352 int error; 353 kauth_action_t action = KAUTH_VNODE_WRITE_FLAGS; 354 bool changing_sysflags = false; 355 356 /* 357 * Check for unsettable attributes. 358 */ 359 if ((vap->va_type != VNON) || (vap->va_nlink != (nlink_t)VNOVAL) || 360 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) || 361 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) || 362 ((int)vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) { 363 return (EINVAL); 364 } 365 if (vap->va_flags != VNOVAL) { 366 if (vp->v_mount->mnt_flag & MNT_RDONLY) 367 return (EROFS); 368 369 /* 370 * Check if we're allowed to change the flags. 371 * If EXT2FS_SYSTEM_FLAGS is set, then the flags are treated 372 * as system flags, otherwise they're considered to be user 373 * flags. 374 */ 375 #ifdef EXT2FS_SYSTEM_FLAGS 376 /* Indicate we're changing system flags if we are. */ 377 if ((vap->va_flags & SF_APPEND) || 378 (vap->va_flags & SF_IMMUTABLE)) { 379 action |= KAUTH_VNODE_WRITE_SYSFLAGS; 380 changing_sysflags = true; 381 } 382 383 /* Indicate the node has system flags if it does. */ 384 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE)) { 385 action |= KAUTH_VNODE_HAS_SYSFLAGS; 386 } 387 #endif /* EXT2FS_SYSTEM_FLAGS */ 388 389 error = kauth_authorize_vnode(cred, action, vp, NULL, 390 genfs_can_chflags(cred, vp->v_type, ip->i_uid, 391 changing_sysflags)); 392 if (error) 393 return (error); 394 395 #ifdef EXT2FS_SYSTEM_FLAGS 396 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 397 ip->i_e2fs_flags |= 398 (vap->va_flags & SF_APPEND) ? EXT2_APPEND : 0 | 399 (vap->va_flags & SF_IMMUTABLE) ? EXT2_IMMUTABLE : 0; 400 #else 401 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 402 ip->i_e2fs_flags |= 403 (vap->va_flags & UF_APPEND) ? EXT2_APPEND : 0 | 404 (vap->va_flags & UF_IMMUTABLE) ? EXT2_IMMUTABLE : 0; 405 #endif 406 ip->i_flag |= IN_CHANGE; 407 if (vap->va_flags & (IMMUTABLE | APPEND)) 408 return (0); 409 } 410 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE)) 411 return (EPERM); 412 /* 413 * Go through the fields and update iff not VNOVAL. 414 */ 415 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) { 416 if (vp->v_mount->mnt_flag & MNT_RDONLY) 417 return (EROFS); 418 error = ext2fs_chown(vp, vap->va_uid, vap->va_gid, cred, l); 419 if (error) 420 return (error); 421 } 422 if (vap->va_size != VNOVAL) { 423 /* 424 * Disallow write attempts on read-only file systems; 425 * unless the file is a socket, fifo, or a block or 426 * character device resident on the file system. 427 */ 428 switch (vp->v_type) { 429 case VDIR: 430 return (EISDIR); 431 case VLNK: 432 case VREG: 433 if (vp->v_mount->mnt_flag & MNT_RDONLY) 434 return (EROFS); 435 default: 436 break; 437 } 438 error = ext2fs_truncate(vp, vap->va_size, 0, cred); 439 if (error) 440 return (error); 441 } 442 ip = VTOI(vp); 443 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) { 444 if (vp->v_mount->mnt_flag & MNT_RDONLY) 445 return (EROFS); 446 error = kauth_authorize_vnode(cred, KAUTH_VNODE_WRITE_TIMES, vp, 447 NULL, genfs_can_chtimes(vp, vap->va_vaflags, ip->i_uid, 448 cred)); 449 if (error) 450 return (error); 451 if (vap->va_atime.tv_sec != VNOVAL) 452 if (!(vp->v_mount->mnt_flag & MNT_NOATIME)) 453 ip->i_flag |= IN_ACCESS; 454 if (vap->va_mtime.tv_sec != VNOVAL) { 455 ip->i_flag |= IN_CHANGE | IN_UPDATE; 456 if (vp->v_mount->mnt_flag & MNT_RELATIME) 457 ip->i_flag |= IN_ACCESS; 458 } 459 error = ext2fs_update(vp, &vap->va_atime, &vap->va_mtime, 460 UPDATE_WAIT); 461 if (error) 462 return (error); 463 } 464 error = 0; 465 if (vap->va_mode != (mode_t)VNOVAL) { 466 if (vp->v_mount->mnt_flag & MNT_RDONLY) 467 return (EROFS); 468 error = ext2fs_chmod(vp, (int)vap->va_mode, cred, l); 469 } 470 VN_KNOTE(vp, NOTE_ATTRIB); 471 return (error); 472 } 473 474 /* 475 * Change the mode on a file. 476 * Inode must be locked before calling. 477 */ 478 static int 479 ext2fs_chmod(struct vnode *vp, int mode, kauth_cred_t cred, struct lwp *l) 480 { 481 struct inode *ip = VTOI(vp); 482 int error; 483 484 error = kauth_authorize_vnode(cred, KAUTH_VNODE_WRITE_SECURITY, vp, 485 NULL, genfs_can_chmod(vp->v_type, cred, ip->i_uid, ip->i_gid, 486 mode)); 487 if (error) 488 return (error); 489 490 ip->i_e2fs_mode &= ~ALLPERMS; 491 ip->i_e2fs_mode |= (mode & ALLPERMS); 492 ip->i_flag |= IN_CHANGE; 493 return (0); 494 } 495 496 /* 497 * Perform chown operation on inode ip; 498 * inode must be locked prior to call. 499 */ 500 static int 501 ext2fs_chown(struct vnode *vp, uid_t uid, gid_t gid, kauth_cred_t cred, 502 struct lwp *l) 503 { 504 struct inode *ip = VTOI(vp); 505 uid_t ouid; 506 gid_t ogid; 507 int error; 508 509 if (uid == (uid_t)VNOVAL) 510 uid = ip->i_uid; 511 if (gid == (gid_t)VNOVAL) 512 gid = ip->i_gid; 513 514 error = kauth_authorize_vnode(cred, KAUTH_VNODE_CHANGE_OWNERSHIP, vp, 515 NULL, genfs_can_chown(cred, ip->i_uid, ip->i_gid, uid, gid)); 516 if (error) 517 return (error); 518 519 ogid = ip->i_gid; 520 ouid = ip->i_uid; 521 522 ip->i_e2fs_gid = gid & 0xffff; 523 ip->i_e2fs_uid = uid & 0xffff; 524 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0) { 525 ip->i_e2fs_gid_high = (gid >> 16) & 0xffff; 526 ip->i_e2fs_uid_high = (uid >> 16) & 0xffff; 527 } else { 528 ip->i_e2fs_gid_high = 0; 529 ip->i_e2fs_uid_high = 0; 530 } 531 if (ouid != uid || ogid != gid) { 532 ext2fs_set_inode_guid(ip); 533 ip->i_flag |= IN_CHANGE; 534 } 535 if (ouid != uid && (ip->i_e2fs_mode & ISUID) && 536 kauth_authorize_vnode(cred, KAUTH_VNODE_RETAIN_SUID, 537 vp, NULL, EPERM) != 0) 538 ip->i_e2fs_mode &= ~ISUID; 539 if (ogid != gid && (ip->i_e2fs_mode & ISGID) && 540 kauth_authorize_vnode(cred, KAUTH_VNODE_RETAIN_SGID, 541 vp, NULL, EPERM) != 0) 542 ip->i_e2fs_mode &= ~ISGID; 543 return (0); 544 } 545 546 int 547 ext2fs_remove(void *v) 548 { 549 struct vop_remove_args /* { 550 struct vnode *a_dvp; 551 struct vnode *a_vp; 552 struct componentname *a_cnp; 553 } */ *ap = v; 554 struct inode *ip; 555 struct vnode *vp = ap->a_vp; 556 struct vnode *dvp = ap->a_dvp; 557 struct ufs_lookup_results *ulr; 558 int error; 559 560 /* XXX should handle this material another way */ 561 ulr = &VTOI(dvp)->i_crap; 562 UFS_CHECK_CRAPCOUNTER(VTOI(dvp)); 563 564 ip = VTOI(vp); 565 if (vp->v_type == VDIR || 566 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 567 (VTOI(dvp)->i_e2fs_flags & EXT2_APPEND)) { 568 error = EPERM; 569 } else { 570 error = ext2fs_dirremove(dvp, ulr, ap->a_cnp); 571 if (error == 0) { 572 ip->i_e2fs_nlink--; 573 ip->i_flag |= IN_CHANGE; 574 } 575 } 576 577 VN_KNOTE(vp, NOTE_DELETE); 578 VN_KNOTE(dvp, NOTE_WRITE); 579 if (dvp == vp) 580 vrele(vp); 581 else 582 vput(vp); 583 vput(dvp); 584 return (error); 585 } 586 587 /* 588 * ext2fs_link: create hard link. 589 */ 590 int 591 ext2fs_link(void *v) 592 { 593 struct vop_link_args /* { 594 struct vnode *a_dvp; 595 struct vnode *a_vp; 596 struct componentname *a_cnp; 597 } */ *ap = v; 598 struct vnode *dvp = ap->a_dvp; 599 struct vnode *vp = ap->a_vp; 600 struct componentname *cnp = ap->a_cnp; 601 struct inode *ip; 602 int error; 603 struct ufs_lookup_results *ulr; 604 605 KASSERT(dvp != vp); 606 KASSERT(vp->v_type != VDIR); 607 KASSERT(dvp->v_mount == vp->v_mount); 608 609 /* XXX should handle this material another way */ 610 ulr = &VTOI(dvp)->i_crap; 611 UFS_CHECK_CRAPCOUNTER(VTOI(dvp)); 612 613 error = vn_lock(vp, LK_EXCLUSIVE); 614 if (error) { 615 VOP_ABORTOP(dvp, cnp); 616 goto out2; 617 } 618 ip = VTOI(vp); 619 if ((nlink_t)ip->i_e2fs_nlink >= LINK_MAX) { 620 VOP_ABORTOP(dvp, cnp); 621 error = EMLINK; 622 goto out1; 623 } 624 if (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) { 625 VOP_ABORTOP(dvp, cnp); 626 error = EPERM; 627 goto out1; 628 } 629 ip->i_e2fs_nlink++; 630 ip->i_flag |= IN_CHANGE; 631 error = ext2fs_update(vp, NULL, NULL, UPDATE_WAIT); 632 if (!error) 633 error = ext2fs_direnter(ip, dvp, ulr, cnp); 634 if (error) { 635 ip->i_e2fs_nlink--; 636 ip->i_flag |= IN_CHANGE; 637 } 638 out1: 639 VOP_UNLOCK(vp); 640 out2: 641 VN_KNOTE(vp, NOTE_LINK); 642 VN_KNOTE(dvp, NOTE_WRITE); 643 vput(dvp); 644 return (error); 645 } 646 647 /* 648 * Mkdir system call 649 */ 650 int 651 ext2fs_mkdir(void *v) 652 { 653 struct vop_mkdir_v3_args /* { 654 struct vnode *a_dvp; 655 struct vnode **a_vpp; 656 struct componentname *a_cnp; 657 struct vattr *a_vap; 658 } */ *ap = v; 659 struct vnode *dvp = ap->a_dvp; 660 struct vattr *vap = ap->a_vap; 661 struct componentname *cnp = ap->a_cnp; 662 struct inode *ip, *dp = VTOI(dvp); 663 struct vnode *tvp; 664 struct ext2fs_dirtemplate dirtemplate; 665 int error, dmode; 666 struct ufs_lookup_results *ulr; 667 668 /* XXX should handle this material another way */ 669 ulr = &VTOI(dvp)->i_crap; 670 UFS_CHECK_CRAPCOUNTER(VTOI(dvp)); 671 672 if ((nlink_t)dp->i_e2fs_nlink >= LINK_MAX) { 673 error = EMLINK; 674 goto out; 675 } 676 dmode = vap->va_mode & ACCESSPERMS; 677 dmode |= IFDIR; 678 /* 679 * Must simulate part of ext2fs_makeinode here to acquire the inode, 680 * but not have it entered in the parent directory. The entry is 681 * made later after writing "." and ".." entries. 682 */ 683 if ((error = ext2fs_valloc(dvp, dmode, cnp->cn_cred, &tvp)) != 0) 684 goto out; 685 ip = VTOI(tvp); 686 ip->i_uid = kauth_cred_geteuid(cnp->cn_cred); 687 ip->i_e2fs_uid = ip->i_uid & 0xffff; 688 ip->i_e2fs_gid = dp->i_e2fs_gid; 689 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0) { 690 ip->i_e2fs_uid_high = (ip->i_uid >> 16) & 0xffff; 691 ip->i_e2fs_gid_high = dp->i_e2fs_gid_high; 692 } else { 693 ip->i_e2fs_uid_high = 0; 694 ip->i_e2fs_gid_high = 0; 695 } 696 ip->i_gid = ip->i_e2fs_gid | (ip->i_e2fs_gid_high << 16); 697 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 698 ip->i_e2fs_mode = dmode; 699 tvp->v_type = VDIR; /* Rest init'd in getnewvnode(). */ 700 ip->i_e2fs_nlink = 2; 701 702 /* 703 * Bump link count in parent directory 704 * to reflect work done below. Should 705 * be done before reference is created 706 * so reparation is possible if we crash. 707 */ 708 dp->i_e2fs_nlink++; 709 dp->i_flag |= IN_CHANGE; 710 if ((error = ext2fs_update(dvp, NULL, NULL, UPDATE_DIROP)) != 0) 711 goto bad; 712 713 /* Initialize directory with "." and ".." from static template. */ 714 memset(&dirtemplate, 0, sizeof(dirtemplate)); 715 dirtemplate.dot_ino = h2fs32(ip->i_number); 716 dirtemplate.dot_reclen = h2fs16(12); 717 dirtemplate.dot_namlen = 1; 718 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 719 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 720 dirtemplate.dot_type = EXT2_FT_DIR; 721 } 722 dirtemplate.dot_name[0] = '.'; 723 dirtemplate.dotdot_ino = h2fs32(dp->i_number); 724 dirtemplate.dotdot_reclen = h2fs16(VTOI(dvp)->i_e2fs->e2fs_bsize - 12); 725 dirtemplate.dotdot_namlen = 2; 726 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 727 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 728 dirtemplate.dotdot_type = EXT2_FT_DIR; 729 } 730 dirtemplate.dotdot_name[0] = dirtemplate.dotdot_name[1] = '.'; 731 error = vn_rdwr(UIO_WRITE, tvp, (void *)&dirtemplate, 732 sizeof (dirtemplate), (off_t)0, UIO_SYSSPACE, 733 IO_NODELOCKED|IO_SYNC, cnp->cn_cred, (size_t *)0, NULL); 734 if (error) { 735 dp->i_e2fs_nlink--; 736 dp->i_flag |= IN_CHANGE; 737 goto bad; 738 } 739 if (VTOI(dvp)->i_e2fs->e2fs_bsize > dvp->v_mount->mnt_stat.f_bsize) 740 panic("ext2fs_mkdir: blksize"); /* XXX should grow with balloc() */ 741 else { 742 error = ext2fs_setsize(ip, VTOI(dvp)->i_e2fs->e2fs_bsize); 743 if (error) { 744 dp->i_e2fs_nlink--; 745 dp->i_flag |= IN_CHANGE; 746 goto bad; 747 } 748 ip->i_flag |= IN_CHANGE; 749 uvm_vnp_setsize(tvp, ext2fs_size(ip)); 750 } 751 752 /* Directory set up, now install it's entry in the parent directory. */ 753 error = ext2fs_direnter(ip, dvp, ulr, cnp); 754 if (error != 0) { 755 dp->i_e2fs_nlink--; 756 dp->i_flag |= IN_CHANGE; 757 } 758 bad: 759 /* 760 * No need to do an explicit ext2fs_truncate here, vrele will do this 761 * for us because we set the link count to 0. 762 */ 763 if (error) { 764 ip->i_e2fs_nlink = 0; 765 ip->i_flag |= IN_CHANGE; 766 vput(tvp); 767 } else { 768 VN_KNOTE(dvp, NOTE_WRITE | NOTE_LINK); 769 VOP_UNLOCK(tvp); 770 *ap->a_vpp = tvp; 771 } 772 out: 773 return (error); 774 } 775 776 /* 777 * Rmdir system call. 778 */ 779 int 780 ext2fs_rmdir(void *v) 781 { 782 struct vop_rmdir_args /* { 783 struct vnode *a_dvp; 784 struct vnode *a_vp; 785 struct componentname *a_cnp; 786 } */ *ap = v; 787 struct vnode *vp = ap->a_vp; 788 struct vnode *dvp = ap->a_dvp; 789 struct componentname *cnp = ap->a_cnp; 790 struct inode *ip, *dp; 791 int error; 792 struct ufs_lookup_results *ulr; 793 794 ip = VTOI(vp); 795 dp = VTOI(dvp); 796 797 /* XXX should handle this material another way */ 798 ulr = &dp->i_crap; 799 UFS_CHECK_CRAPCOUNTER(dp); 800 801 /* 802 * No rmdir "." please. 803 */ 804 if (dp == ip) { 805 vrele(dvp); 806 vput(vp); 807 return (EINVAL); 808 } 809 /* 810 * Verify the directory is empty (and valid). 811 * (Rmdir ".." won't be valid since 812 * ".." will contain a reference to 813 * the current directory and thus be 814 * non-empty.) 815 */ 816 error = 0; 817 if (ip->i_e2fs_nlink != 2 || 818 !ext2fs_dirempty(ip, dp->i_number, cnp->cn_cred)) { 819 error = ENOTEMPTY; 820 goto out; 821 } 822 if ((dp->i_e2fs_flags & EXT2_APPEND) || 823 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND))) { 824 error = EPERM; 825 goto out; 826 } 827 /* 828 * Delete reference to directory before purging 829 * inode. If we crash in between, the directory 830 * will be reattached to lost+found, 831 */ 832 error = ext2fs_dirremove(dvp, ulr, cnp); 833 if (error != 0) 834 goto out; 835 dp->i_e2fs_nlink--; 836 dp->i_flag |= IN_CHANGE; 837 VN_KNOTE(dvp, NOTE_WRITE | NOTE_LINK); 838 cache_purge(dvp); 839 vput(dvp); 840 dvp = NULL; 841 /* 842 * Truncate inode. The only stuff left 843 * in the directory is "." and "..". The 844 * "." reference is inconsequential since 845 * we're quashing it. The ".." reference 846 * has already been adjusted above. We've 847 * removed the "." reference and the reference 848 * in the parent directory, but there may be 849 * other hard links so decrement by 2 and 850 * worry about them later. 851 */ 852 ip->i_e2fs_nlink -= 2; 853 error = ext2fs_truncate(vp, (off_t)0, IO_SYNC, cnp->cn_cred); 854 cache_purge(ITOV(ip)); 855 out: 856 VN_KNOTE(vp, NOTE_DELETE); 857 if (dvp) 858 vput(dvp); 859 vput(vp); 860 return (error); 861 } 862 863 /* 864 * symlink -- make a symbolic link 865 */ 866 int 867 ext2fs_symlink(void *v) 868 { 869 struct vop_symlink_v3_args /* { 870 struct vnode *a_dvp; 871 struct vnode **a_vpp; 872 struct componentname *a_cnp; 873 struct vattr *a_vap; 874 char *a_target; 875 } */ *ap = v; 876 struct vnode *vp, **vpp; 877 struct inode *ip; 878 int len, error; 879 880 vpp = ap->a_vpp; 881 error = ext2fs_makeinode(IFLNK | ap->a_vap->va_mode, ap->a_dvp, 882 vpp, ap->a_cnp); 883 if (error) 884 return (error); 885 VN_KNOTE(ap->a_dvp, NOTE_WRITE); 886 vp = *vpp; 887 len = strlen(ap->a_target); 888 ip = VTOI(vp); 889 if (len < ip->i_ump->um_maxsymlinklen) { 890 memcpy((char *)ip->i_din.e2fs_din->e2di_shortlink, ap->a_target, len); 891 error = ext2fs_setsize(ip, len); 892 if (error) 893 goto bad; 894 ip->i_flag |= IN_CHANGE | IN_UPDATE; 895 if (vp->v_mount->mnt_flag & MNT_RELATIME) 896 ip->i_flag |= IN_ACCESS; 897 uvm_vnp_setsize(vp, len); 898 } else 899 error = vn_rdwr(UIO_WRITE, vp, ap->a_target, len, (off_t)0, 900 UIO_SYSSPACE, IO_NODELOCKED, ap->a_cnp->cn_cred, 901 (size_t *)0, NULL); 902 bad: 903 VOP_UNLOCK(vp); 904 if (error) 905 vrele(vp); 906 return (error); 907 } 908 909 /* 910 * Return target name of a symbolic link 911 */ 912 int 913 ext2fs_readlink(void *v) 914 { 915 struct vop_readlink_args /* { 916 struct vnode *a_vp; 917 struct uio *a_uio; 918 kauth_cred_t a_cred; 919 } */ *ap = v; 920 struct vnode *vp = ap->a_vp; 921 struct inode *ip = VTOI(vp); 922 struct ufsmount *ump = ip->i_ump; 923 int isize; 924 925 isize = ext2fs_size(ip); 926 if (isize < ump->um_maxsymlinklen || 927 (ump->um_maxsymlinklen == 0 && ext2fs_nblock(ip) == 0)) { 928 uiomove((char *)ip->i_din.e2fs_din->e2di_shortlink, isize, ap->a_uio); 929 return (0); 930 } 931 return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred)); 932 } 933 934 /* 935 * Advisory record locking support 936 */ 937 int 938 ext2fs_advlock(void *v) 939 { 940 struct vop_advlock_args /* { 941 struct vnode *a_vp; 942 void * a_id; 943 int a_op; 944 struct flock *a_fl; 945 int a_flags; 946 } */ *ap = v; 947 struct inode *ip = VTOI(ap->a_vp); 948 949 return lf_advlock(ap, &ip->i_lockf, ext2fs_size(ip)); 950 } 951 952 int 953 ext2fs_fsync(void *v) 954 { 955 struct vop_fsync_args /* { 956 struct vnode *a_vp; 957 kauth_cred_t a_cred; 958 int a_flags; 959 off_t offlo; 960 off_t offhi; 961 struct proc *a_p; 962 } */ *ap = v; 963 struct vnode *vp = ap->a_vp; 964 int wait; 965 int error; 966 967 wait = (ap->a_flags & FSYNC_WAIT) != 0; 968 969 if (vp->v_type == VBLK) 970 error = spec_fsync(v); 971 else 972 error = vflushbuf(vp, ap->a_flags); 973 if (error == 0 && (ap->a_flags & FSYNC_DATAONLY) == 0) 974 error = ext2fs_update(vp, NULL, NULL, wait ? UPDATE_WAIT : 0); 975 976 if (error == 0 && ap->a_flags & FSYNC_CACHE) { 977 int l = 0; 978 error = VOP_IOCTL(VTOI(vp)->i_devvp, DIOCCACHESYNC, &l, FWRITE, 979 curlwp->l_cred); 980 } 981 982 return error; 983 } 984 985 /* 986 * Initialize the vnode associated with a new inode, handle aliased 987 * vnodes. 988 */ 989 int 990 ext2fs_vinit(struct mount *mntp, int (**specops)(void *), 991 int (**fifoops)(void *), struct vnode **vpp) 992 { 993 struct timeval tv; 994 struct inode *ip; 995 struct vnode *vp; 996 997 vp = *vpp; 998 ip = VTOI(vp); 999 switch(vp->v_type = IFTOVT(ip->i_e2fs_mode)) { 1000 case VCHR: 1001 case VBLK: 1002 vp->v_op = specops; 1003 spec_node_init(vp, fs2h32(ip->i_din.e2fs_din->e2di_rdev)); 1004 break; 1005 case VFIFO: 1006 vp->v_op = fifoops; 1007 break; 1008 case VNON: 1009 case VBAD: 1010 case VSOCK: 1011 case VLNK: 1012 case VDIR: 1013 case VREG: 1014 break; 1015 } 1016 if (ip->i_number == UFS_ROOTINO) 1017 vp->v_vflag |= VV_ROOT; 1018 /* 1019 * Initialize modrev times 1020 */ 1021 getmicrouptime(&tv); 1022 SETHIGH(ip->i_modrev, tv.tv_sec); 1023 SETLOW(ip->i_modrev, tv.tv_usec * 4294); 1024 *vpp = vp; 1025 return (0); 1026 } 1027 1028 /* 1029 * Allocate a new inode. 1030 */ 1031 int 1032 ext2fs_makeinode(int mode, struct vnode *dvp, struct vnode **vpp, 1033 struct componentname *cnp) 1034 { 1035 struct inode *ip, *pdir; 1036 struct vnode *tvp; 1037 int error; 1038 struct ufs_lookup_results *ulr; 1039 1040 pdir = VTOI(dvp); 1041 1042 /* XXX should handle this material another way */ 1043 ulr = &pdir->i_crap; 1044 UFS_CHECK_CRAPCOUNTER(pdir); 1045 1046 *vpp = NULL; 1047 if ((mode & IFMT) == 0) 1048 mode |= IFREG; 1049 1050 if ((error = ext2fs_valloc(dvp, mode, cnp->cn_cred, &tvp)) != 0) { 1051 return (error); 1052 } 1053 ip = VTOI(tvp); 1054 ip->i_uid = kauth_cred_geteuid(cnp->cn_cred); 1055 ip->i_e2fs_uid = ip->i_uid & 0xffff; 1056 ip->i_e2fs_gid = pdir->i_e2fs_gid; 1057 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0) { 1058 ip->i_e2fs_uid_high = (ip->i_uid >> 16) & 0xffff; 1059 ip->i_e2fs_gid_high = pdir->i_e2fs_gid_high; 1060 } else { 1061 ip->i_e2fs_uid_high = 0; 1062 ip->i_e2fs_gid_high = 0; 1063 } 1064 ip->i_gid = ip->i_e2fs_gid | (ip->i_e2fs_gid_high << 16); 1065 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 1066 ip->i_e2fs_mode = mode; 1067 tvp->v_type = IFTOVT(mode); /* Rest init'd in getnewvnode(). */ 1068 ip->i_e2fs_nlink = 1; 1069 1070 /* Authorize setting SGID if needed. */ 1071 if (ip->i_e2fs_mode & ISGID) { 1072 error = kauth_authorize_vnode(cnp->cn_cred, KAUTH_VNODE_WRITE_SECURITY, 1073 tvp, NULL, genfs_can_chmod(tvp->v_type, cnp->cn_cred, ip->i_uid, 1074 ip->i_gid, mode)); 1075 if (error) 1076 ip->i_e2fs_mode &= ~ISGID; 1077 } 1078 1079 /* 1080 * Make sure inode goes to disk before directory entry. 1081 */ 1082 if ((error = ext2fs_update(tvp, NULL, NULL, UPDATE_WAIT)) != 0) 1083 goto bad; 1084 error = ext2fs_direnter(ip, dvp, ulr, cnp); 1085 if (error != 0) 1086 goto bad; 1087 *vpp = tvp; 1088 return (0); 1089 1090 bad: 1091 /* 1092 * Write error occurred trying to update the inode 1093 * or the directory so must deallocate the inode. 1094 */ 1095 tvp->v_type = VNON; /* Stop explosion if VBLK */ 1096 ip->i_e2fs_nlink = 0; 1097 ip->i_flag |= IN_CHANGE; 1098 vput(tvp); 1099 return (error); 1100 } 1101 1102 /* 1103 * Reclaim an inode so that it can be used for other purposes. 1104 */ 1105 int 1106 ext2fs_reclaim(void *v) 1107 { 1108 struct vop_reclaim_args /* { 1109 struct vnode *a_vp; 1110 } */ *ap = v; 1111 struct vnode *vp = ap->a_vp; 1112 struct inode *ip = VTOI(vp); 1113 int error; 1114 1115 /* 1116 * The inode must be freed and updated before being removed 1117 * from its hash chain. Other threads trying to gain a hold 1118 * or lock on the inode will be stalled. 1119 */ 1120 if (ip->i_omode == 1 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) 1121 ext2fs_vfree(vp, ip->i_number, ip->i_e2fs_mode); 1122 if ((error = ufs_reclaim(vp)) != 0) 1123 return (error); 1124 if (ip->i_din.e2fs_din != NULL) 1125 pool_put(&ext2fs_dinode_pool, ip->i_din.e2fs_din); 1126 genfs_node_destroy(vp); 1127 pool_put(&ext2fs_inode_pool, vp->v_data); 1128 vp->v_data = NULL; 1129 return (0); 1130 } 1131 1132 /* Global vfs data structures for ext2fs. */ 1133 int (**ext2fs_vnodeop_p)(void *); 1134 const struct vnodeopv_entry_desc ext2fs_vnodeop_entries[] = { 1135 { &vop_default_desc, vn_default_error }, 1136 { &vop_lookup_desc, ext2fs_lookup }, /* lookup */ 1137 { &vop_create_desc, ext2fs_create }, /* create */ 1138 { &vop_mknod_desc, ext2fs_mknod }, /* mknod */ 1139 { &vop_open_desc, ext2fs_open }, /* open */ 1140 { &vop_close_desc, ufs_close }, /* close */ 1141 { &vop_access_desc, ext2fs_access }, /* access */ 1142 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */ 1143 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */ 1144 { &vop_read_desc, ext2fs_read }, /* read */ 1145 { &vop_write_desc, ext2fs_write }, /* write */ 1146 { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */ 1147 { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 1148 { &vop_poll_desc, ufs_poll }, /* poll */ 1149 { &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */ 1150 { &vop_revoke_desc, ufs_revoke }, /* revoke */ 1151 { &vop_mmap_desc, ufs_mmap }, /* mmap */ 1152 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */ 1153 { &vop_seek_desc, ufs_seek }, /* seek */ 1154 { &vop_remove_desc, ext2fs_remove }, /* remove */ 1155 { &vop_link_desc, ext2fs_link }, /* link */ 1156 { &vop_rename_desc, ext2fs_rename }, /* rename */ 1157 { &vop_mkdir_desc, ext2fs_mkdir }, /* mkdir */ 1158 { &vop_rmdir_desc, ext2fs_rmdir }, /* rmdir */ 1159 { &vop_symlink_desc, ext2fs_symlink }, /* symlink */ 1160 { &vop_readdir_desc, ext2fs_readdir }, /* readdir */ 1161 { &vop_readlink_desc, ext2fs_readlink }, /* readlink */ 1162 { &vop_abortop_desc, ufs_abortop }, /* abortop */ 1163 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */ 1164 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */ 1165 { &vop_lock_desc, ufs_lock }, /* lock */ 1166 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 1167 { &vop_bmap_desc, ext2fs_bmap }, /* bmap */ 1168 { &vop_strategy_desc, ufs_strategy }, /* strategy */ 1169 { &vop_print_desc, ufs_print }, /* print */ 1170 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 1171 { &vop_pathconf_desc, ufs_pathconf }, /* pathconf */ 1172 { &vop_advlock_desc, ext2fs_advlock }, /* advlock */ 1173 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 1174 { &vop_getpages_desc, genfs_getpages }, /* getpages */ 1175 { &vop_putpages_desc, genfs_putpages }, /* putpages */ 1176 { NULL, NULL } 1177 }; 1178 const struct vnodeopv_desc ext2fs_vnodeop_opv_desc = 1179 { &ext2fs_vnodeop_p, ext2fs_vnodeop_entries }; 1180 1181 int (**ext2fs_specop_p)(void *); 1182 const struct vnodeopv_entry_desc ext2fs_specop_entries[] = { 1183 { &vop_default_desc, vn_default_error }, 1184 { &vop_lookup_desc, spec_lookup }, /* lookup */ 1185 { &vop_create_desc, spec_create }, /* create */ 1186 { &vop_mknod_desc, spec_mknod }, /* mknod */ 1187 { &vop_open_desc, spec_open }, /* open */ 1188 { &vop_close_desc, ufsspec_close }, /* close */ 1189 { &vop_access_desc, ext2fs_access }, /* access */ 1190 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */ 1191 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */ 1192 { &vop_read_desc, ufsspec_read }, /* read */ 1193 { &vop_write_desc, ufsspec_write }, /* write */ 1194 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ 1195 { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 1196 { &vop_poll_desc, spec_poll }, /* poll */ 1197 { &vop_kqfilter_desc, spec_kqfilter }, /* kqfilter */ 1198 { &vop_revoke_desc, spec_revoke }, /* revoke */ 1199 { &vop_mmap_desc, spec_mmap }, /* mmap */ 1200 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */ 1201 { &vop_seek_desc, spec_seek }, /* seek */ 1202 { &vop_remove_desc, spec_remove }, /* remove */ 1203 { &vop_link_desc, spec_link }, /* link */ 1204 { &vop_rename_desc, spec_rename }, /* rename */ 1205 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ 1206 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ 1207 { &vop_symlink_desc, spec_symlink }, /* symlink */ 1208 { &vop_readdir_desc, spec_readdir }, /* readdir */ 1209 { &vop_readlink_desc, spec_readlink }, /* readlink */ 1210 { &vop_abortop_desc, spec_abortop }, /* abortop */ 1211 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */ 1212 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */ 1213 { &vop_lock_desc, ufs_lock }, /* lock */ 1214 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 1215 { &vop_bmap_desc, spec_bmap }, /* bmap */ 1216 { &vop_strategy_desc, spec_strategy }, /* strategy */ 1217 { &vop_print_desc, ufs_print }, /* print */ 1218 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 1219 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */ 1220 { &vop_advlock_desc, spec_advlock }, /* advlock */ 1221 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 1222 { &vop_getpages_desc, spec_getpages }, /* getpages */ 1223 { &vop_putpages_desc, spec_putpages }, /* putpages */ 1224 { NULL, NULL } 1225 }; 1226 const struct vnodeopv_desc ext2fs_specop_opv_desc = 1227 { &ext2fs_specop_p, ext2fs_specop_entries }; 1228 1229 int (**ext2fs_fifoop_p)(void *); 1230 const struct vnodeopv_entry_desc ext2fs_fifoop_entries[] = { 1231 { &vop_default_desc, vn_default_error }, 1232 { &vop_lookup_desc, vn_fifo_bypass }, /* lookup */ 1233 { &vop_create_desc, vn_fifo_bypass }, /* create */ 1234 { &vop_mknod_desc, vn_fifo_bypass }, /* mknod */ 1235 { &vop_open_desc, vn_fifo_bypass }, /* open */ 1236 { &vop_close_desc, ufsfifo_close }, /* close */ 1237 { &vop_access_desc, ext2fs_access }, /* access */ 1238 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */ 1239 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */ 1240 { &vop_read_desc, ufsfifo_read }, /* read */ 1241 { &vop_write_desc, ufsfifo_write }, /* write */ 1242 { &vop_ioctl_desc, vn_fifo_bypass }, /* ioctl */ 1243 { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 1244 { &vop_poll_desc, vn_fifo_bypass }, /* poll */ 1245 { &vop_kqfilter_desc, vn_fifo_bypass }, /* kqfilter */ 1246 { &vop_revoke_desc, vn_fifo_bypass }, /* revoke */ 1247 { &vop_mmap_desc, vn_fifo_bypass }, /* mmap */ 1248 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */ 1249 { &vop_seek_desc, vn_fifo_bypass }, /* seek */ 1250 { &vop_remove_desc, vn_fifo_bypass }, /* remove */ 1251 { &vop_link_desc, vn_fifo_bypass }, /* link */ 1252 { &vop_rename_desc, vn_fifo_bypass }, /* rename */ 1253 { &vop_mkdir_desc, vn_fifo_bypass }, /* mkdir */ 1254 { &vop_rmdir_desc, vn_fifo_bypass }, /* rmdir */ 1255 { &vop_symlink_desc, vn_fifo_bypass }, /* symlink */ 1256 { &vop_readdir_desc, vn_fifo_bypass }, /* readdir */ 1257 { &vop_readlink_desc, vn_fifo_bypass }, /* readlink */ 1258 { &vop_abortop_desc, vn_fifo_bypass }, /* abortop */ 1259 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */ 1260 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */ 1261 { &vop_lock_desc, ufs_lock }, /* lock */ 1262 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 1263 { &vop_bmap_desc, vn_fifo_bypass }, /* bmap */ 1264 { &vop_strategy_desc, vn_fifo_bypass }, /* strategy */ 1265 { &vop_print_desc, ufs_print }, /* print */ 1266 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 1267 { &vop_pathconf_desc, vn_fifo_bypass }, /* pathconf */ 1268 { &vop_advlock_desc, vn_fifo_bypass }, /* advlock */ 1269 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 1270 { &vop_putpages_desc, vn_fifo_bypass }, /* putpages */ 1271 { NULL, NULL } 1272 }; 1273 const struct vnodeopv_desc ext2fs_fifoop_opv_desc = 1274 { &ext2fs_fifoop_p, ext2fs_fifoop_entries }; 1275
Indexes created Mon Sep 29 03:10:08 GMT 2025