ext2fs_vnops.c revision 1.107
1 /* $NetBSD: ext2fs_vnops.c,v 1.107 2013/03/18 19:35:47 plunky 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 1.107 2013/03/18 19:35:47 plunky 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_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 return (0); 145 } 146 147 /* 148 * Mknod vnode call 149 */ 150 /* ARGSUSED */ 151 int 152 ext2fs_mknod(void *v) 153 { 154 struct vop_mknod_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 struct mount *mp; 165 ino_t ino; 166 167 if ((error = ext2fs_makeinode(MAKEIMODE(vap->va_type, vap->va_mode), 168 ap->a_dvp, vpp, ap->a_cnp)) != 0) 169 return (error); 170 VN_KNOTE(ap->a_dvp, NOTE_WRITE); 171 ip = VTOI(*vpp); 172 mp = (*vpp)->v_mount; 173 ino = ip->i_number; 174 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 175 if (vap->va_rdev != VNOVAL) { 176 /* 177 * Want to be able to use this to make badblock 178 * inodes, so don't truncate the dev number. 179 */ 180 ip->i_din.e2fs_din->e2di_rdev = h2fs32(vap->va_rdev); 181 } 182 /* 183 * Remove inode so that it will be reloaded by VFS_VGET and 184 * checked to see if it is an alias of an existing entry in 185 * the inode cache. 186 */ 187 VOP_UNLOCK(*vpp); 188 (*vpp)->v_type = VNON; 189 vgone(*vpp); 190 error = VFS_VGET(mp, ino, vpp); 191 if (error != 0) { 192 *vpp = NULL; 193 return (error); 194 } 195 return (0); 196 } 197 198 /* 199 * Open called. 200 * 201 * Just check the APPEND flag. 202 */ 203 /* ARGSUSED */ 204 int 205 ext2fs_open(void *v) 206 { 207 struct vop_open_args /* { 208 struct vnode *a_vp; 209 int a_mode; 210 kauth_cred_t a_cred; 211 } */ *ap = v; 212 213 /* 214 * Files marked append-only must be opened for appending. 215 */ 216 if ((VTOI(ap->a_vp)->i_e2fs_flags & EXT2_APPEND) && 217 (ap->a_mode & (FWRITE | O_APPEND)) == FWRITE) 218 return (EPERM); 219 return (0); 220 } 221 222 static int 223 ext2fs_check_possible(struct vnode *vp, struct inode *ip, mode_t mode) 224 { 225 226 /* 227 * Disallow write attempts on read-only file systems; 228 * unless the file is a socket, fifo, or a block or 229 * character device resident on the file system. 230 */ 231 if (mode & VWRITE) { 232 switch (vp->v_type) { 233 case VDIR: 234 case VLNK: 235 case VREG: 236 if (vp->v_mount->mnt_flag & MNT_RDONLY) 237 return (EROFS); 238 break; 239 default: 240 break; 241 } 242 } 243 244 /* If immutable bit set, nobody gets to write it. */ 245 if ((mode & VWRITE) && (ip->i_e2fs_flags & EXT2_IMMUTABLE)) 246 return (EPERM); 247 248 return 0; 249 } 250 251 static int 252 ext2fs_check_permitted(struct vnode *vp, struct inode *ip, mode_t mode, 253 kauth_cred_t cred) 254 { 255 256 return kauth_authorize_vnode(cred, KAUTH_ACCESS_ACTION(mode, vp->v_type, 257 ip->i_e2fs_mode & ALLPERMS), vp, NULL, genfs_can_access(vp->v_type, 258 ip->i_e2fs_mode & ALLPERMS, ip->i_uid, ip->i_gid, mode, cred)); 259 } 260 261 int 262 ext2fs_access(void *v) 263 { 264 struct vop_access_args /* { 265 struct vnode *a_vp; 266 int a_mode; 267 kauth_cred_t a_cred; 268 } */ *ap = v; 269 struct vnode *vp = ap->a_vp; 270 struct inode *ip = VTOI(vp); 271 mode_t mode = ap->a_mode; 272 int error; 273 274 error = ext2fs_check_possible(vp, ip, mode); 275 if (error) 276 return error; 277 278 error = ext2fs_check_permitted(vp, ip, mode, ap->a_cred); 279 280 return error; 281 } 282 283 /* ARGSUSED */ 284 int 285 ext2fs_getattr(void *v) 286 { 287 struct vop_getattr_args /* { 288 struct vnode *a_vp; 289 struct vattr *a_vap; 290 kauth_cred_t a_cred; 291 } */ *ap = v; 292 struct vnode *vp = ap->a_vp; 293 struct inode *ip = VTOI(vp); 294 struct vattr *vap = ap->a_vap; 295 296 EXT2FS_ITIMES(ip, NULL, NULL, NULL); 297 /* 298 * Copy from inode table 299 */ 300 vap->va_fsid = ip->i_dev; 301 vap->va_fileid = ip->i_number; 302 vap->va_mode = ip->i_e2fs_mode & ALLPERMS; 303 vap->va_nlink = ip->i_e2fs_nlink; 304 vap->va_uid = ip->i_uid; 305 vap->va_gid = ip->i_gid; 306 vap->va_rdev = (dev_t)fs2h32(ip->i_din.e2fs_din->e2di_rdev); 307 vap->va_size = vp->v_size; 308 vap->va_atime.tv_sec = ip->i_e2fs_atime; 309 vap->va_atime.tv_nsec = 0; 310 vap->va_mtime.tv_sec = ip->i_e2fs_mtime; 311 vap->va_mtime.tv_nsec = 0; 312 vap->va_ctime.tv_sec = ip->i_e2fs_ctime; 313 vap->va_ctime.tv_nsec = 0; 314 #ifdef EXT2FS_SYSTEM_FLAGS 315 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? SF_APPEND : 0; 316 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? SF_IMMUTABLE : 0; 317 #else 318 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? UF_APPEND : 0; 319 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? UF_IMMUTABLE : 0; 320 #endif 321 vap->va_gen = ip->i_e2fs_gen; 322 /* this doesn't belong here */ 323 if (vp->v_type == VBLK) 324 vap->va_blocksize = BLKDEV_IOSIZE; 325 else if (vp->v_type == VCHR) 326 vap->va_blocksize = MAXBSIZE; 327 else 328 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 329 vap->va_bytes = dbtob(ext2fs_nblock(ip)); 330 vap->va_type = vp->v_type; 331 vap->va_filerev = ip->i_modrev; 332 return (0); 333 } 334 335 /* 336 * Set attribute vnode op. called from several syscalls 337 */ 338 int 339 ext2fs_setattr(void *v) 340 { 341 struct vop_setattr_args /* { 342 struct vnode *a_vp; 343 struct vattr *a_vap; 344 kauth_cred_t a_cred; 345 } */ *ap = v; 346 struct vattr *vap = ap->a_vap; 347 struct vnode *vp = ap->a_vp; 348 struct inode *ip = VTOI(vp); 349 kauth_cred_t cred = ap->a_cred; 350 struct lwp *l = curlwp; 351 int error; 352 kauth_action_t action = KAUTH_VNODE_WRITE_FLAGS; 353 bool changing_sysflags = false; 354 355 /* 356 * Check for unsettable attributes. 357 */ 358 if ((vap->va_type != VNON) || (vap->va_nlink != (nlink_t)VNOVAL) || 359 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) || 360 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) || 361 ((int)vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) { 362 return (EINVAL); 363 } 364 if (vap->va_flags != VNOVAL) { 365 if (vp->v_mount->mnt_flag & MNT_RDONLY) 366 return (EROFS); 367 368 /* 369 * Check if we're allowed to change the flags. 370 * If EXT2FS_SYSTEM_FLAGS is set, then the flags are treated 371 * as system flags, otherwise they're considered to be user 372 * flags. 373 */ 374 #ifdef EXT2FS_SYSTEM_FLAGS 375 /* Indicate we're changing system flags if we are. */ 376 if ((vap->va_flags & SF_APPEND) || 377 (vap->va_flags & SF_IMMUTABLE)) { 378 action |= KAUTH_VNODE_WRITE_SYSFLAGS; 379 changing_sysflags = true; 380 } 381 382 /* Indicate the node has system flags if it does. */ 383 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE)) { 384 action |= KAUTH_VNODE_HAS_SYSFLAGS; 385 } 386 #endif /* EXT2FS_SYSTEM_FLAGS */ 387 388 error = kauth_authorize_vnode(cred, action, vp, NULL, 389 genfs_can_chflags(cred, vp->v_type, ip->i_uid, 390 changing_sysflags)); 391 if (error) 392 return (error); 393 394 #ifdef EXT2FS_SYSTEM_FLAGS 395 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 396 ip->i_e2fs_flags |= 397 (vap->va_flags & SF_APPEND) ? EXT2_APPEND : 0 | 398 (vap->va_flags & SF_IMMUTABLE) ? EXT2_IMMUTABLE : 0; 399 #else 400 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 401 ip->i_e2fs_flags |= 402 (vap->va_flags & UF_APPEND) ? EXT2_APPEND : 0 | 403 (vap->va_flags & UF_IMMUTABLE) ? EXT2_IMMUTABLE : 0; 404 #endif 405 ip->i_flag |= IN_CHANGE; 406 if (vap->va_flags & (IMMUTABLE | APPEND)) 407 return (0); 408 } 409 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE)) 410 return (EPERM); 411 /* 412 * Go through the fields and update iff not VNOVAL. 413 */ 414 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) { 415 if (vp->v_mount->mnt_flag & MNT_RDONLY) 416 return (EROFS); 417 error = ext2fs_chown(vp, vap->va_uid, vap->va_gid, cred, l); 418 if (error) 419 return (error); 420 } 421 if (vap->va_size != VNOVAL) { 422 /* 423 * Disallow write attempts on read-only file systems; 424 * unless the file is a socket, fifo, or a block or 425 * character device resident on the file system. 426 */ 427 switch (vp->v_type) { 428 case VDIR: 429 return (EISDIR); 430 case VLNK: 431 case VREG: 432 if (vp->v_mount->mnt_flag & MNT_RDONLY) 433 return (EROFS); 434 default: 435 break; 436 } 437 error = ext2fs_truncate(vp, vap->va_size, 0, cred); 438 if (error) 439 return (error); 440 } 441 ip = VTOI(vp); 442 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) { 443 if (vp->v_mount->mnt_flag & MNT_RDONLY) 444 return (EROFS); 445 error = kauth_authorize_vnode(cred, KAUTH_VNODE_WRITE_TIMES, vp, 446 NULL, genfs_can_chtimes(vp, vap->va_vaflags, ip->i_uid, 447 cred)); 448 if (error) 449 return (error); 450 if (vap->va_atime.tv_sec != VNOVAL) 451 if (!(vp->v_mount->mnt_flag & MNT_NOATIME)) 452 ip->i_flag |= IN_ACCESS; 453 if (vap->va_mtime.tv_sec != VNOVAL) { 454 ip->i_flag |= IN_CHANGE | IN_UPDATE; 455 if (vp->v_mount->mnt_flag & MNT_RELATIME) 456 ip->i_flag |= IN_ACCESS; 457 } 458 error = ext2fs_update(vp, &vap->va_atime, &vap->va_mtime, 459 UPDATE_WAIT); 460 if (error) 461 return (error); 462 } 463 error = 0; 464 if (vap->va_mode != (mode_t)VNOVAL) { 465 if (vp->v_mount->mnt_flag & MNT_RDONLY) 466 return (EROFS); 467 error = ext2fs_chmod(vp, (int)vap->va_mode, cred, l); 468 } 469 VN_KNOTE(vp, NOTE_ATTRIB); 470 return (error); 471 } 472 473 /* 474 * Change the mode on a file. 475 * Inode must be locked before calling. 476 */ 477 static int 478 ext2fs_chmod(struct vnode *vp, int mode, kauth_cred_t cred, struct lwp *l) 479 { 480 struct inode *ip = VTOI(vp); 481 int error; 482 483 error = kauth_authorize_vnode(cred, KAUTH_VNODE_WRITE_SECURITY, vp, 484 NULL, genfs_can_chmod(vp->v_type, cred, ip->i_uid, ip->i_gid, 485 mode)); 486 if (error) 487 return (error); 488 489 ip->i_e2fs_mode &= ~ALLPERMS; 490 ip->i_e2fs_mode |= (mode & ALLPERMS); 491 ip->i_flag |= IN_CHANGE; 492 return (0); 493 } 494 495 /* 496 * Perform chown operation on inode ip; 497 * inode must be locked prior to call. 498 */ 499 static int 500 ext2fs_chown(struct vnode *vp, uid_t uid, gid_t gid, kauth_cred_t cred, 501 struct lwp *l) 502 { 503 struct inode *ip = VTOI(vp); 504 uid_t ouid; 505 gid_t ogid; 506 int error; 507 508 if (uid == (uid_t)VNOVAL) 509 uid = ip->i_uid; 510 if (gid == (gid_t)VNOVAL) 511 gid = ip->i_gid; 512 513 error = kauth_authorize_vnode(cred, KAUTH_VNODE_CHANGE_OWNERSHIP, vp, 514 NULL, genfs_can_chown(cred, ip->i_uid, ip->i_gid, uid, gid)); 515 if (error) 516 return (error); 517 518 ogid = ip->i_gid; 519 ouid = ip->i_uid; 520 521 ip->i_e2fs_gid = gid & 0xffff; 522 ip->i_e2fs_uid = uid & 0xffff; 523 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0) { 524 ip->i_e2fs_gid_high = (gid >> 16) & 0xffff; 525 ip->i_e2fs_uid_high = (uid >> 16) & 0xffff; 526 } else { 527 ip->i_e2fs_gid_high = 0; 528 ip->i_e2fs_uid_high = 0; 529 } 530 if (ouid != uid || ogid != gid) { 531 ext2fs_set_inode_guid(ip); 532 ip->i_flag |= IN_CHANGE; 533 } 534 if (ouid != uid && (ip->i_e2fs_mode & ISUID) && 535 kauth_authorize_vnode(cred, KAUTH_VNODE_RETAIN_SUID, 536 vp, NULL, EPERM) != 0) 537 ip->i_e2fs_mode &= ~ISUID; 538 if (ogid != gid && (ip->i_e2fs_mode & ISGID) && 539 kauth_authorize_vnode(cred, KAUTH_VNODE_RETAIN_SGID, 540 vp, NULL, EPERM) != 0) 541 ip->i_e2fs_mode &= ~ISGID; 542 return (0); 543 } 544 545 int 546 ext2fs_remove(void *v) 547 { 548 struct vop_remove_args /* { 549 struct vnode *a_dvp; 550 struct vnode *a_vp; 551 struct componentname *a_cnp; 552 } */ *ap = v; 553 struct inode *ip; 554 struct vnode *vp = ap->a_vp; 555 struct vnode *dvp = ap->a_dvp; 556 struct ufs_lookup_results *ulr; 557 int error; 558 559 /* XXX should handle this material another way */ 560 ulr = &VTOI(dvp)->i_crap; 561 UFS_CHECK_CRAPCOUNTER(VTOI(dvp)); 562 563 ip = VTOI(vp); 564 if (vp->v_type == VDIR || 565 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 566 (VTOI(dvp)->i_e2fs_flags & EXT2_APPEND)) { 567 error = EPERM; 568 } else { 569 error = ext2fs_dirremove(dvp, ulr, ap->a_cnp); 570 if (error == 0) { 571 ip->i_e2fs_nlink--; 572 ip->i_flag |= IN_CHANGE; 573 } 574 } 575 576 VN_KNOTE(vp, NOTE_DELETE); 577 VN_KNOTE(dvp, NOTE_WRITE); 578 if (dvp == vp) 579 vrele(vp); 580 else 581 vput(vp); 582 vput(dvp); 583 return (error); 584 } 585 586 /* 587 * ext2fs_link: create hard link. 588 */ 589 int 590 ext2fs_link(void *v) 591 { 592 struct vop_link_args /* { 593 struct vnode *a_dvp; 594 struct vnode *a_vp; 595 struct componentname *a_cnp; 596 } */ *ap = v; 597 struct vnode *dvp = ap->a_dvp; 598 struct vnode *vp = ap->a_vp; 599 struct componentname *cnp = ap->a_cnp; 600 struct inode *ip; 601 int error; 602 struct ufs_lookup_results *ulr; 603 604 KASSERT(dvp != vp); 605 KASSERT(vp->v_type != VDIR); 606 KASSERT(dvp->v_mount == vp->v_mount); 607 608 /* XXX should handle this material another way */ 609 ulr = &VTOI(dvp)->i_crap; 610 UFS_CHECK_CRAPCOUNTER(VTOI(dvp)); 611 612 error = vn_lock(vp, LK_EXCLUSIVE); 613 if (error) { 614 VOP_ABORTOP(dvp, cnp); 615 goto out2; 616 } 617 ip = VTOI(vp); 618 if ((nlink_t)ip->i_e2fs_nlink >= LINK_MAX) { 619 VOP_ABORTOP(dvp, cnp); 620 error = EMLINK; 621 goto out1; 622 } 623 if (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) { 624 VOP_ABORTOP(dvp, cnp); 625 error = EPERM; 626 goto out1; 627 } 628 ip->i_e2fs_nlink++; 629 ip->i_flag |= IN_CHANGE; 630 error = ext2fs_update(vp, NULL, NULL, UPDATE_WAIT); 631 if (!error) 632 error = ext2fs_direnter(ip, dvp, ulr, cnp); 633 if (error) { 634 ip->i_e2fs_nlink--; 635 ip->i_flag |= IN_CHANGE; 636 } 637 out1: 638 VOP_UNLOCK(vp); 639 out2: 640 VN_KNOTE(vp, NOTE_LINK); 641 VN_KNOTE(dvp, NOTE_WRITE); 642 vput(dvp); 643 return (error); 644 } 645 646 /* 647 * Mkdir system call 648 */ 649 int 650 ext2fs_mkdir(void *v) 651 { 652 struct vop_mkdir_args /* { 653 struct vnode *a_dvp; 654 struct vnode **a_vpp; 655 struct componentname *a_cnp; 656 struct vattr *a_vap; 657 } */ *ap = v; 658 struct vnode *dvp = ap->a_dvp; 659 struct vattr *vap = ap->a_vap; 660 struct componentname *cnp = ap->a_cnp; 661 struct inode *ip, *dp = VTOI(dvp); 662 struct vnode *tvp; 663 struct ext2fs_dirtemplate dirtemplate; 664 int error, dmode; 665 struct ufs_lookup_results *ulr; 666 667 /* XXX should handle this material another way */ 668 ulr = &VTOI(dvp)->i_crap; 669 UFS_CHECK_CRAPCOUNTER(VTOI(dvp)); 670 671 if ((nlink_t)dp->i_e2fs_nlink >= LINK_MAX) { 672 error = EMLINK; 673 goto out; 674 } 675 dmode = vap->va_mode & ACCESSPERMS; 676 dmode |= IFDIR; 677 /* 678 * Must simulate part of ext2fs_makeinode here to acquire the inode, 679 * but not have it entered in the parent directory. The entry is 680 * made later after writing "." and ".." entries. 681 */ 682 if ((error = ext2fs_valloc(dvp, dmode, cnp->cn_cred, &tvp)) != 0) 683 goto out; 684 ip = VTOI(tvp); 685 ip->i_uid = kauth_cred_geteuid(cnp->cn_cred); 686 ip->i_e2fs_uid = ip->i_uid & 0xffff; 687 ip->i_e2fs_gid = dp->i_e2fs_gid; 688 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0) { 689 ip->i_e2fs_uid_high = (ip->i_uid >> 16) & 0xffff; 690 ip->i_e2fs_gid_high = dp->i_e2fs_gid_high; 691 } else { 692 ip->i_e2fs_uid_high = 0; 693 ip->i_e2fs_gid_high = 0; 694 } 695 ip->i_gid = ip->i_e2fs_gid | (ip->i_e2fs_gid_high << 16); 696 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 697 ip->i_e2fs_mode = dmode; 698 tvp->v_type = VDIR; /* Rest init'd in getnewvnode(). */ 699 ip->i_e2fs_nlink = 2; 700 701 /* 702 * Bump link count in parent directory 703 * to reflect work done below. Should 704 * be done before reference is created 705 * so reparation is possible if we crash. 706 */ 707 dp->i_e2fs_nlink++; 708 dp->i_flag |= IN_CHANGE; 709 if ((error = ext2fs_update(dvp, NULL, NULL, UPDATE_DIROP)) != 0) 710 goto bad; 711 712 /* Initialize directory with "." and ".." from static template. */ 713 memset(&dirtemplate, 0, sizeof(dirtemplate)); 714 dirtemplate.dot_ino = h2fs32(ip->i_number); 715 dirtemplate.dot_reclen = h2fs16(12); 716 dirtemplate.dot_namlen = 1; 717 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 718 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 719 dirtemplate.dot_type = EXT2_FT_DIR; 720 } 721 dirtemplate.dot_name[0] = '.'; 722 dirtemplate.dotdot_ino = h2fs32(dp->i_number); 723 dirtemplate.dotdot_reclen = h2fs16(VTOI(dvp)->i_e2fs->e2fs_bsize - 12); 724 dirtemplate.dotdot_namlen = 2; 725 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 726 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 727 dirtemplate.dotdot_type = EXT2_FT_DIR; 728 } 729 dirtemplate.dotdot_name[0] = dirtemplate.dotdot_name[1] = '.'; 730 error = vn_rdwr(UIO_WRITE, tvp, (void *)&dirtemplate, 731 sizeof (dirtemplate), (off_t)0, UIO_SYSSPACE, 732 IO_NODELOCKED|IO_SYNC, cnp->cn_cred, (size_t *)0, NULL); 733 if (error) { 734 dp->i_e2fs_nlink--; 735 dp->i_flag |= IN_CHANGE; 736 goto bad; 737 } 738 if (VTOI(dvp)->i_e2fs->e2fs_bsize > dvp->v_mount->mnt_stat.f_bsize) 739 panic("ext2fs_mkdir: blksize"); /* XXX should grow with balloc() */ 740 else { 741 error = ext2fs_setsize(ip, VTOI(dvp)->i_e2fs->e2fs_bsize); 742 if (error) { 743 dp->i_e2fs_nlink--; 744 dp->i_flag |= IN_CHANGE; 745 goto bad; 746 } 747 ip->i_flag |= IN_CHANGE; 748 uvm_vnp_setsize(tvp, ext2fs_size(ip)); 749 } 750 751 /* Directory set up, now install it's entry in the parent directory. */ 752 error = ext2fs_direnter(ip, dvp, ulr, cnp); 753 if (error != 0) { 754 dp->i_e2fs_nlink--; 755 dp->i_flag |= IN_CHANGE; 756 } 757 bad: 758 /* 759 * No need to do an explicit ext2fs_truncate here, vrele will do this 760 * for us because we set the link count to 0. 761 */ 762 if (error) { 763 ip->i_e2fs_nlink = 0; 764 ip->i_flag |= IN_CHANGE; 765 vput(tvp); 766 } else { 767 VN_KNOTE(dvp, NOTE_WRITE | NOTE_LINK); 768 *ap->a_vpp = tvp; 769 } 770 out: 771 vput(dvp); 772 return (error); 773 } 774 775 /* 776 * Rmdir system call. 777 */ 778 int 779 ext2fs_rmdir(void *v) 780 { 781 struct vop_rmdir_args /* { 782 struct vnode *a_dvp; 783 struct vnode *a_vp; 784 struct componentname *a_cnp; 785 } */ *ap = v; 786 struct vnode *vp = ap->a_vp; 787 struct vnode *dvp = ap->a_dvp; 788 struct componentname *cnp = ap->a_cnp; 789 struct inode *ip, *dp; 790 int error; 791 struct ufs_lookup_results *ulr; 792 793 ip = VTOI(vp); 794 dp = VTOI(dvp); 795 796 /* XXX should handle this material another way */ 797 ulr = &dp->i_crap; 798 UFS_CHECK_CRAPCOUNTER(dp); 799 800 /* 801 * No rmdir "." please. 802 */ 803 if (dp == ip) { 804 vrele(dvp); 805 vput(vp); 806 return (EINVAL); 807 } 808 /* 809 * Verify the directory is empty (and valid). 810 * (Rmdir ".." won't be valid since 811 * ".." will contain a reference to 812 * the current directory and thus be 813 * non-empty.) 814 */ 815 error = 0; 816 if (ip->i_e2fs_nlink != 2 || 817 !ext2fs_dirempty(ip, dp->i_number, cnp->cn_cred)) { 818 error = ENOTEMPTY; 819 goto out; 820 } 821 if ((dp->i_e2fs_flags & EXT2_APPEND) || 822 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND))) { 823 error = EPERM; 824 goto out; 825 } 826 /* 827 * Delete reference to directory before purging 828 * inode. If we crash in between, the directory 829 * will be reattached to lost+found, 830 */ 831 error = ext2fs_dirremove(dvp, ulr, cnp); 832 if (error != 0) 833 goto out; 834 dp->i_e2fs_nlink--; 835 dp->i_flag |= IN_CHANGE; 836 VN_KNOTE(dvp, NOTE_WRITE | NOTE_LINK); 837 cache_purge(dvp); 838 vput(dvp); 839 dvp = NULL; 840 /* 841 * Truncate inode. The only stuff left 842 * in the directory is "." and "..". The 843 * "." reference is inconsequential since 844 * we're quashing it. The ".." reference 845 * has already been adjusted above. We've 846 * removed the "." reference and the reference 847 * in the parent directory, but there may be 848 * other hard links so decrement by 2 and 849 * worry about them later. 850 */ 851 ip->i_e2fs_nlink -= 2; 852 error = ext2fs_truncate(vp, (off_t)0, IO_SYNC, cnp->cn_cred); 853 cache_purge(ITOV(ip)); 854 out: 855 VN_KNOTE(vp, NOTE_DELETE); 856 if (dvp) 857 vput(dvp); 858 vput(vp); 859 return (error); 860 } 861 862 /* 863 * symlink -- make a symbolic link 864 */ 865 int 866 ext2fs_symlink(void *v) 867 { 868 struct vop_symlink_args /* { 869 struct vnode *a_dvp; 870 struct vnode **a_vpp; 871 struct componentname *a_cnp; 872 struct vattr *a_vap; 873 char *a_target; 874 } */ *ap = v; 875 struct vnode *vp, **vpp; 876 struct inode *ip; 877 int len, error; 878 879 vpp = ap->a_vpp; 880 error = ext2fs_makeinode(IFLNK | ap->a_vap->va_mode, ap->a_dvp, 881 vpp, ap->a_cnp); 882 if (error) 883 return (error); 884 VN_KNOTE(ap->a_dvp, NOTE_WRITE); 885 vp = *vpp; 886 len = strlen(ap->a_target); 887 ip = VTOI(vp); 888 if (len < ip->i_ump->um_maxsymlinklen) { 889 memcpy((char *)ip->i_din.e2fs_din->e2di_shortlink, ap->a_target, len); 890 error = ext2fs_setsize(ip, len); 891 if (error) 892 goto bad; 893 ip->i_flag |= IN_CHANGE | IN_UPDATE; 894 if (vp->v_mount->mnt_flag & MNT_RELATIME) 895 ip->i_flag |= IN_ACCESS; 896 uvm_vnp_setsize(vp, len); 897 } else 898 error = vn_rdwr(UIO_WRITE, vp, ap->a_target, len, (off_t)0, 899 UIO_SYSSPACE, IO_NODELOCKED, ap->a_cnp->cn_cred, 900 (size_t *)0, NULL); 901 bad: 902 if (error) 903 vput(vp); 904 return (error); 905 } 906 907 /* 908 * Return target name of a symbolic link 909 */ 910 int 911 ext2fs_readlink(void *v) 912 { 913 struct vop_readlink_args /* { 914 struct vnode *a_vp; 915 struct uio *a_uio; 916 kauth_cred_t a_cred; 917 } */ *ap = v; 918 struct vnode *vp = ap->a_vp; 919 struct inode *ip = VTOI(vp); 920 struct ufsmount *ump = ip->i_ump; 921 int isize; 922 923 isize = ext2fs_size(ip); 924 if (isize < ump->um_maxsymlinklen || 925 (ump->um_maxsymlinklen == 0 && ext2fs_nblock(ip) == 0)) { 926 uiomove((char *)ip->i_din.e2fs_din->e2di_shortlink, isize, ap->a_uio); 927 return (0); 928 } 929 return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred)); 930 } 931 932 /* 933 * Advisory record locking support 934 */ 935 int 936 ext2fs_advlock(void *v) 937 { 938 struct vop_advlock_args /* { 939 struct vnode *a_vp; 940 void * a_id; 941 int a_op; 942 struct flock *a_fl; 943 int a_flags; 944 } */ *ap = v; 945 struct inode *ip = VTOI(ap->a_vp); 946 947 return lf_advlock(ap, &ip->i_lockf, ext2fs_size(ip)); 948 } 949 950 int 951 ext2fs_fsync(void *v) 952 { 953 struct vop_fsync_args /* { 954 struct vnode *a_vp; 955 kauth_cred_t a_cred; 956 int a_flags; 957 off_t offlo; 958 off_t offhi; 959 struct proc *a_p; 960 } */ *ap = v; 961 struct vnode *vp = ap->a_vp; 962 int wait; 963 int error; 964 965 wait = (ap->a_flags & FSYNC_WAIT) != 0; 966 967 if (vp->v_type == VBLK) 968 error = spec_fsync(v); 969 else 970 error = vflushbuf(vp, ap->a_flags); 971 if (error == 0 && (ap->a_flags & FSYNC_DATAONLY) == 0) 972 error = ext2fs_update(vp, NULL, NULL, wait ? UPDATE_WAIT : 0); 973 974 if (error == 0 && ap->a_flags & FSYNC_CACHE) { 975 int l = 0; 976 error = VOP_IOCTL(VTOI(vp)->i_devvp, DIOCCACHESYNC, &l, FWRITE, 977 curlwp->l_cred); 978 } 979 980 return error; 981 } 982 983 /* 984 * Initialize the vnode associated with a new inode, handle aliased 985 * vnodes. 986 */ 987 int 988 ext2fs_vinit(struct mount *mntp, int (**specops)(void *), 989 int (**fifoops)(void *), struct vnode **vpp) 990 { 991 struct timeval tv; 992 struct inode *ip; 993 struct vnode *vp; 994 995 vp = *vpp; 996 ip = VTOI(vp); 997 switch(vp->v_type = IFTOVT(ip->i_e2fs_mode)) { 998 case VCHR: 999 case VBLK: 1000 vp->v_op = specops; 1001 spec_node_init(vp, fs2h32(ip->i_din.e2fs_din->e2di_rdev)); 1002 break; 1003 case VFIFO: 1004 vp->v_op = fifoops; 1005 break; 1006 case VNON: 1007 case VBAD: 1008 case VSOCK: 1009 case VLNK: 1010 case VDIR: 1011 case VREG: 1012 break; 1013 } 1014 if (ip->i_number == UFS_ROOTINO) 1015 vp->v_vflag |= VV_ROOT; 1016 /* 1017 * Initialize modrev times 1018 */ 1019 getmicrouptime(&tv); 1020 SETHIGH(ip->i_modrev, tv.tv_sec); 1021 SETLOW(ip->i_modrev, tv.tv_usec * 4294); 1022 *vpp = vp; 1023 return (0); 1024 } 1025 1026 /* 1027 * Allocate a new inode. 1028 */ 1029 int 1030 ext2fs_makeinode(int mode, struct vnode *dvp, struct vnode **vpp, 1031 struct componentname *cnp) 1032 { 1033 struct inode *ip, *pdir; 1034 struct vnode *tvp; 1035 int error; 1036 struct ufs_lookup_results *ulr; 1037 1038 pdir = VTOI(dvp); 1039 1040 /* XXX should handle this material another way */ 1041 ulr = &pdir->i_crap; 1042 UFS_CHECK_CRAPCOUNTER(pdir); 1043 1044 *vpp = NULL; 1045 if ((mode & IFMT) == 0) 1046 mode |= IFREG; 1047 1048 if ((error = ext2fs_valloc(dvp, mode, cnp->cn_cred, &tvp)) != 0) { 1049 vput(dvp); 1050 return (error); 1051 } 1052 ip = VTOI(tvp); 1053 ip->i_uid = kauth_cred_geteuid(cnp->cn_cred); 1054 ip->i_e2fs_uid = ip->i_uid & 0xffff; 1055 ip->i_e2fs_gid = pdir->i_e2fs_gid; 1056 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0) { 1057 ip->i_e2fs_uid_high = (ip->i_uid >> 16) & 0xffff; 1058 ip->i_e2fs_gid_high = pdir->i_e2fs_gid_high; 1059 } else { 1060 ip->i_e2fs_uid_high = 0; 1061 ip->i_e2fs_gid_high = 0; 1062 } 1063 ip->i_gid = ip->i_e2fs_gid | (ip->i_e2fs_gid_high << 16); 1064 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 1065 ip->i_e2fs_mode = mode; 1066 tvp->v_type = IFTOVT(mode); /* Rest init'd in getnewvnode(). */ 1067 ip->i_e2fs_nlink = 1; 1068 1069 /* Authorize setting SGID if needed. */ 1070 if (ip->i_e2fs_mode & ISGID) { 1071 error = kauth_authorize_vnode(cnp->cn_cred, KAUTH_VNODE_WRITE_SECURITY, 1072 tvp, NULL, genfs_can_chmod(tvp->v_type, cnp->cn_cred, ip->i_uid, 1073 ip->i_gid, mode)); 1074 if (error) 1075 ip->i_e2fs_mode &= ~ISGID; 1076 } 1077 1078 /* 1079 * Make sure inode goes to disk before directory entry. 1080 */ 1081 if ((error = ext2fs_update(tvp, NULL, NULL, UPDATE_WAIT)) != 0) 1082 goto bad; 1083 error = ext2fs_direnter(ip, dvp, ulr, cnp); 1084 if (error != 0) 1085 goto bad; 1086 vput(dvp); 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 vput(dvp); 1100 return (error); 1101 } 1102 1103 /* 1104 * Reclaim an inode so that it can be used for other purposes. 1105 */ 1106 int 1107 ext2fs_reclaim(void *v) 1108 { 1109 struct vop_reclaim_args /* { 1110 struct vnode *a_vp; 1111 } */ *ap = v; 1112 struct vnode *vp = ap->a_vp; 1113 struct inode *ip = VTOI(vp); 1114 int error; 1115 1116 /* 1117 * The inode must be freed and updated before being removed 1118 * from its hash chain. Other threads trying to gain a hold 1119 * on the inode will be stalled because it is locked (VI_XLOCK). 1120 */ 1121 if (ip->i_omode == 1 && (vp->v_mount->mnt_flag & MNT_RDONLY) == 0) 1122 ext2fs_vfree(vp, ip->i_number, ip->i_e2fs_mode); 1123 if ((error = ufs_reclaim(vp)) != 0) 1124 return (error); 1125 if (ip->i_din.e2fs_din != NULL) 1126 pool_put(&ext2fs_dinode_pool, ip->i_din.e2fs_din); 1127 genfs_node_destroy(vp); 1128 pool_put(&ext2fs_inode_pool, vp->v_data); 1129 vp->v_data = NULL; 1130 return (0); 1131 } 1132 1133 /* Global vfs data structures for ext2fs. */ 1134 int (**ext2fs_vnodeop_p)(void *); 1135 const struct vnodeopv_entry_desc ext2fs_vnodeop_entries[] = { 1136 { &vop_default_desc, vn_default_error }, 1137 { &vop_lookup_desc, ext2fs_lookup }, /* lookup */ 1138 { &vop_create_desc, ext2fs_create }, /* create */ 1139 { &vop_mknod_desc, ext2fs_mknod }, /* mknod */ 1140 { &vop_open_desc, ext2fs_open }, /* open */ 1141 { &vop_close_desc, ufs_close }, /* close */ 1142 { &vop_access_desc, ext2fs_access }, /* access */ 1143 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */ 1144 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */ 1145 { &vop_read_desc, ext2fs_read }, /* read */ 1146 { &vop_write_desc, ext2fs_write }, /* write */ 1147 { &vop_ioctl_desc, ufs_ioctl }, /* ioctl */ 1148 { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 1149 { &vop_poll_desc, ufs_poll }, /* poll */ 1150 { &vop_kqfilter_desc, genfs_kqfilter }, /* kqfilter */ 1151 { &vop_revoke_desc, ufs_revoke }, /* revoke */ 1152 { &vop_mmap_desc, ufs_mmap }, /* mmap */ 1153 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */ 1154 { &vop_seek_desc, ufs_seek }, /* seek */ 1155 { &vop_remove_desc, ext2fs_remove }, /* remove */ 1156 { &vop_link_desc, ext2fs_link }, /* link */ 1157 { &vop_rename_desc, ext2fs_rename }, /* rename */ 1158 { &vop_mkdir_desc, ext2fs_mkdir }, /* mkdir */ 1159 { &vop_rmdir_desc, ext2fs_rmdir }, /* rmdir */ 1160 { &vop_symlink_desc, ext2fs_symlink }, /* symlink */ 1161 { &vop_readdir_desc, ext2fs_readdir }, /* readdir */ 1162 { &vop_readlink_desc, ext2fs_readlink }, /* readlink */ 1163 { &vop_abortop_desc, ufs_abortop }, /* abortop */ 1164 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */ 1165 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */ 1166 { &vop_lock_desc, ufs_lock }, /* lock */ 1167 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 1168 { &vop_bmap_desc, ext2fs_bmap }, /* bmap */ 1169 { &vop_strategy_desc, ufs_strategy }, /* strategy */ 1170 { &vop_print_desc, ufs_print }, /* print */ 1171 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 1172 { &vop_pathconf_desc, ufs_pathconf }, /* pathconf */ 1173 { &vop_advlock_desc, ext2fs_advlock }, /* advlock */ 1174 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 1175 { &vop_getpages_desc, genfs_getpages }, /* getpages */ 1176 { &vop_putpages_desc, genfs_putpages }, /* putpages */ 1177 { NULL, NULL } 1178 }; 1179 const struct vnodeopv_desc ext2fs_vnodeop_opv_desc = 1180 { &ext2fs_vnodeop_p, ext2fs_vnodeop_entries }; 1181 1182 int (**ext2fs_specop_p)(void *); 1183 const struct vnodeopv_entry_desc ext2fs_specop_entries[] = { 1184 { &vop_default_desc, vn_default_error }, 1185 { &vop_lookup_desc, spec_lookup }, /* lookup */ 1186 { &vop_create_desc, spec_create }, /* create */ 1187 { &vop_mknod_desc, spec_mknod }, /* mknod */ 1188 { &vop_open_desc, spec_open }, /* open */ 1189 { &vop_close_desc, ufsspec_close }, /* close */ 1190 { &vop_access_desc, ext2fs_access }, /* access */ 1191 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */ 1192 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */ 1193 { &vop_read_desc, ufsspec_read }, /* read */ 1194 { &vop_write_desc, ufsspec_write }, /* write */ 1195 { &vop_ioctl_desc, spec_ioctl }, /* ioctl */ 1196 { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 1197 { &vop_poll_desc, spec_poll }, /* poll */ 1198 { &vop_kqfilter_desc, spec_kqfilter }, /* kqfilter */ 1199 { &vop_revoke_desc, spec_revoke }, /* revoke */ 1200 { &vop_mmap_desc, spec_mmap }, /* mmap */ 1201 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */ 1202 { &vop_seek_desc, spec_seek }, /* seek */ 1203 { &vop_remove_desc, spec_remove }, /* remove */ 1204 { &vop_link_desc, spec_link }, /* link */ 1205 { &vop_rename_desc, spec_rename }, /* rename */ 1206 { &vop_mkdir_desc, spec_mkdir }, /* mkdir */ 1207 { &vop_rmdir_desc, spec_rmdir }, /* rmdir */ 1208 { &vop_symlink_desc, spec_symlink }, /* symlink */ 1209 { &vop_readdir_desc, spec_readdir }, /* readdir */ 1210 { &vop_readlink_desc, spec_readlink }, /* readlink */ 1211 { &vop_abortop_desc, spec_abortop }, /* abortop */ 1212 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */ 1213 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */ 1214 { &vop_lock_desc, ufs_lock }, /* lock */ 1215 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 1216 { &vop_bmap_desc, spec_bmap }, /* bmap */ 1217 { &vop_strategy_desc, spec_strategy }, /* strategy */ 1218 { &vop_print_desc, ufs_print }, /* print */ 1219 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 1220 { &vop_pathconf_desc, spec_pathconf }, /* pathconf */ 1221 { &vop_advlock_desc, spec_advlock }, /* advlock */ 1222 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 1223 { &vop_getpages_desc, spec_getpages }, /* getpages */ 1224 { &vop_putpages_desc, spec_putpages }, /* putpages */ 1225 { NULL, NULL } 1226 }; 1227 const struct vnodeopv_desc ext2fs_specop_opv_desc = 1228 { &ext2fs_specop_p, ext2fs_specop_entries }; 1229 1230 int (**ext2fs_fifoop_p)(void *); 1231 const struct vnodeopv_entry_desc ext2fs_fifoop_entries[] = { 1232 { &vop_default_desc, vn_default_error }, 1233 { &vop_lookup_desc, vn_fifo_bypass }, /* lookup */ 1234 { &vop_create_desc, vn_fifo_bypass }, /* create */ 1235 { &vop_mknod_desc, vn_fifo_bypass }, /* mknod */ 1236 { &vop_open_desc, vn_fifo_bypass }, /* open */ 1237 { &vop_close_desc, ufsfifo_close }, /* close */ 1238 { &vop_access_desc, ext2fs_access }, /* access */ 1239 { &vop_getattr_desc, ext2fs_getattr }, /* getattr */ 1240 { &vop_setattr_desc, ext2fs_setattr }, /* setattr */ 1241 { &vop_read_desc, ufsfifo_read }, /* read */ 1242 { &vop_write_desc, ufsfifo_write }, /* write */ 1243 { &vop_ioctl_desc, vn_fifo_bypass }, /* ioctl */ 1244 { &vop_fcntl_desc, ufs_fcntl }, /* fcntl */ 1245 { &vop_poll_desc, vn_fifo_bypass }, /* poll */ 1246 { &vop_kqfilter_desc, vn_fifo_bypass }, /* kqfilter */ 1247 { &vop_revoke_desc, vn_fifo_bypass }, /* revoke */ 1248 { &vop_mmap_desc, vn_fifo_bypass }, /* mmap */ 1249 { &vop_fsync_desc, ext2fs_fsync }, /* fsync */ 1250 { &vop_seek_desc, vn_fifo_bypass }, /* seek */ 1251 { &vop_remove_desc, vn_fifo_bypass }, /* remove */ 1252 { &vop_link_desc, vn_fifo_bypass }, /* link */ 1253 { &vop_rename_desc, vn_fifo_bypass }, /* rename */ 1254 { &vop_mkdir_desc, vn_fifo_bypass }, /* mkdir */ 1255 { &vop_rmdir_desc, vn_fifo_bypass }, /* rmdir */ 1256 { &vop_symlink_desc, vn_fifo_bypass }, /* symlink */ 1257 { &vop_readdir_desc, vn_fifo_bypass }, /* readdir */ 1258 { &vop_readlink_desc, vn_fifo_bypass }, /* readlink */ 1259 { &vop_abortop_desc, vn_fifo_bypass }, /* abortop */ 1260 { &vop_inactive_desc, ext2fs_inactive }, /* inactive */ 1261 { &vop_reclaim_desc, ext2fs_reclaim }, /* reclaim */ 1262 { &vop_lock_desc, ufs_lock }, /* lock */ 1263 { &vop_unlock_desc, ufs_unlock }, /* unlock */ 1264 { &vop_bmap_desc, vn_fifo_bypass }, /* bmap */ 1265 { &vop_strategy_desc, vn_fifo_bypass }, /* strategy */ 1266 { &vop_print_desc, ufs_print }, /* print */ 1267 { &vop_islocked_desc, ufs_islocked }, /* islocked */ 1268 { &vop_pathconf_desc, vn_fifo_bypass }, /* pathconf */ 1269 { &vop_advlock_desc, vn_fifo_bypass }, /* advlock */ 1270 { &vop_bwrite_desc, vn_bwrite }, /* bwrite */ 1271 { &vop_putpages_desc, vn_fifo_bypass }, /* putpages */ 1272 { NULL, NULL } 1273 }; 1274 const struct vnodeopv_desc ext2fs_fifoop_opv_desc = 1275 { &ext2fs_fifoop_p, ext2fs_fifoop_entries }; 1276
Indexes created Thu Sep 25 08:09:54 GMT 2025