1 /* $OpenBSD: ext2fs_vnops.c,v 1.91 2023/03/08 04:43:09 guenther Exp $ */ 2 /* $NetBSD: ext2fs_vnops.c,v 1.1 1997/06/11 09:34:09 bouyer Exp $ */ 3 4 /* 5 * Copyright (c) 1997 Manuel Bouyer. 6 * Copyright (c) 1982, 1986, 1989, 1993 7 * The Regents of the University of California. All rights reserved. 8 * (c) UNIX System Laboratories, Inc. 9 * All or some portions of this file are derived from material licensed 10 * to the University of California by American Telephone and Telegraph 11 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 12 * the permission of UNIX System Laboratories, Inc. 13 * 14 * Redistribution and use in source and binary forms, with or without 15 * modification, are permitted provided that the following conditions 16 * are met: 17 * 1. Redistributions of source code must retain the above copyright 18 * notice, this list of conditions and the following disclaimer. 19 * 2. Redistributions in binary form must reproduce the above copyright 20 * notice, this list of conditions and the following disclaimer in the 21 * documentation and/or other materials provided with the distribution. 22 * 3. Neither the name of the University nor the names of its contributors 23 * may be used to endorse or promote products derived from this software 24 * without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36 * SUCH DAMAGE. 37 * 38 * @(#)ufs_vnops.c 8.14 (Berkeley) 10/26/94 39 * Modified for ext2fs by Manuel Bouyer. 40 */ 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/resourcevar.h> 45 #include <sys/kernel.h> 46 #include <sys/fcntl.h> 47 #include <sys/stat.h> 48 #include <sys/proc.h> 49 #include <sys/conf.h> 50 #include <sys/mount.h> 51 #include <sys/namei.h> 52 #include <sys/vnode.h> 53 #include <sys/lockf.h> 54 #include <sys/malloc.h> 55 #include <sys/pool.h> 56 #include <sys/signalvar.h> 57 #include <sys/specdev.h> 58 #include <sys/unistd.h> 59 60 #include <miscfs/fifofs/fifo.h> 61 62 #include <ufs/ufs/quota.h> 63 #include <ufs/ufs/inode.h> 64 #include <ufs/ufs/ufs_extern.h> 65 #include <ufs/ufs/ufsmount.h> 66 67 #include <ufs/ext2fs/ext2fs.h> 68 #include <ufs/ext2fs/ext2fs_extern.h> 69 #include <ufs/ext2fs/ext2fs_dir.h> 70 71 #include <uvm/uvm_extern.h> 72 73 static int ext2fs_chmod(struct vnode *, mode_t, struct ucred *); 74 static int ext2fs_chown(struct vnode *, uid_t, gid_t, struct ucred *); 75 76 /* 77 * Create a regular file 78 */ 79 int 80 ext2fs_create(void *v) 81 { 82 struct vop_create_args *ap = v; 83 84 return (ext2fs_makeinode(MAKEIMODE(ap->a_vap->va_type, 85 ap->a_vap->va_mode), ap->a_dvp, ap->a_vpp, ap->a_cnp)); 86 } 87 88 /* 89 * Mknod vnode call 90 */ 91 int 92 ext2fs_mknod(void *v) 93 { 94 struct vop_mknod_args *ap = v; 95 struct vattr *vap = ap->a_vap; 96 struct vnode **vpp = ap->a_vpp; 97 struct inode *ip; 98 int error; 99 100 error = ext2fs_makeinode(MAKEIMODE(vap->va_type, vap->va_mode), 101 ap->a_dvp, vpp, ap->a_cnp); 102 if (error != 0) 103 return (error); 104 ip = VTOI(*vpp); 105 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 106 if (vap->va_rdev != VNOVAL) { 107 /* 108 * Want to be able to use this to make badblock 109 * inodes, so don't truncate the dev number. 110 */ 111 ip->i_e2din->e2di_rdev = htole32(vap->va_rdev); 112 } 113 /* 114 * Remove inode so that it will be reloaded by VFS_VGET and 115 * checked to see if it is an alias of an existing entry in 116 * the inode cache. 117 */ 118 vput(*vpp); 119 (*vpp)->v_type = VNON; 120 vgone(*vpp); 121 *vpp = NULL; 122 return (0); 123 } 124 125 /* 126 * Open called. 127 * 128 * Just check the APPEND flag. 129 */ 130 int 131 ext2fs_open(void *v) 132 { 133 struct vop_open_args *ap = v; 134 135 /* 136 * Files marked append-only must be opened for appending. 137 */ 138 if ((VTOI(ap->a_vp)->i_e2fs_flags & EXT2_APPEND) && 139 (ap->a_mode & (FWRITE | O_APPEND)) == FWRITE) 140 return (EPERM); 141 return (0); 142 } 143 144 int 145 ext2fs_access(void *v) 146 { 147 struct vop_access_args *ap = v; 148 struct vnode *vp = ap->a_vp; 149 struct inode *ip = VTOI(vp); 150 mode_t mode = ap->a_mode; 151 152 /* If immutable bit set, nobody gets to write it. */ 153 if ((mode & VWRITE) && (ip->i_e2fs_flags & EXT2_IMMUTABLE)) 154 return (EPERM); 155 156 return (vaccess(vp->v_type, ip->i_e2fs_mode, ip->i_e2fs_uid, 157 ip->i_e2fs_gid, mode, ap->a_cred)); 158 } 159 160 int 161 ext2fs_getattr(void *v) 162 { 163 struct vop_getattr_args *ap = v; 164 struct vnode *vp = ap->a_vp; 165 struct inode *ip = VTOI(vp); 166 struct vattr *vap = ap->a_vap; 167 168 EXT2FS_ITIMES(ip); 169 /* 170 * Copy from inode table 171 */ 172 vap->va_fsid = ip->i_dev; 173 vap->va_fileid = ip->i_number; 174 vap->va_mode = ip->i_e2fs_mode & ALLPERMS; 175 vap->va_nlink = ip->i_e2fs_nlink; 176 vap->va_uid = ip->i_e2fs_uid; 177 vap->va_gid = ip->i_e2fs_gid; 178 vap->va_rdev = (dev_t) letoh32(ip->i_e2din->e2di_rdev); 179 vap->va_size = ext2fs_size(ip); 180 vap->va_atime.tv_sec = ip->i_e2fs_atime; 181 vap->va_atime.tv_nsec = 0; 182 vap->va_mtime.tv_sec = ip->i_e2fs_mtime; 183 vap->va_mtime.tv_nsec = 0; 184 vap->va_ctime.tv_sec = ip->i_e2fs_ctime; 185 vap->va_ctime.tv_nsec = 0; 186 #ifdef EXT2FS_SYSTEM_FLAGS 187 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? SF_APPEND : 0; 188 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? SF_IMMUTABLE : 0; 189 #else 190 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? UF_APPEND : 0; 191 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? UF_IMMUTABLE : 0; 192 #endif 193 vap->va_gen = ip->i_e2fs_gen; 194 /* this doesn't belong here */ 195 if (vp->v_type == VBLK) 196 vap->va_blocksize = BLKDEV_IOSIZE; 197 else if (vp->v_type == VCHR) 198 vap->va_blocksize = MAXBSIZE; 199 else 200 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 201 vap->va_bytes = dbtob((u_quad_t)ip->i_e2fs_nblock); 202 vap->va_type = vp->v_type; 203 vap->va_filerev = ip->i_modrev; 204 return (0); 205 } 206 207 /* 208 * Set attribute vnode op. called from several syscalls 209 */ 210 int 211 ext2fs_setattr(void *v) 212 { 213 struct vop_setattr_args *ap = v; 214 struct vattr *vap = ap->a_vap; 215 struct vnode *vp = ap->a_vp; 216 struct inode *ip = VTOI(vp); 217 struct ucred *cred = ap->a_cred; 218 int error; 219 220 /* 221 * Check for unsettable attributes. 222 */ 223 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) || 224 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) || 225 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) || 226 ((int)vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) { 227 return (EINVAL); 228 } 229 if (vap->va_flags != VNOVAL) { 230 if (vp->v_mount->mnt_flag & MNT_RDONLY) 231 return (EROFS); 232 if (cred->cr_uid != ip->i_e2fs_uid && 233 (error = suser_ucred(cred))) 234 return (error); 235 #ifdef EXT2FS_SYSTEM_FLAGS 236 if (cred->cr_uid == 0) { 237 if ((ip->i_e2fs_flags & 238 (EXT2_APPEND | EXT2_IMMUTABLE)) && securelevel > 0) 239 return (EPERM); 240 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 241 ip->i_e2fs_flags |= 242 (vap->va_flags & SF_APPEND) ? EXT2_APPEND : 0 | 243 (vap->va_flags & SF_IMMUTABLE) ? EXT2_IMMUTABLE: 0; 244 } else { 245 return (EPERM); 246 } 247 #else 248 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 249 ip->i_e2fs_flags |= 250 (vap->va_flags & UF_APPEND) ? EXT2_APPEND : 0 | 251 (vap->va_flags & UF_IMMUTABLE) ? EXT2_IMMUTABLE: 0; 252 #endif 253 ip->i_flag |= IN_CHANGE; 254 if (vap->va_flags & (IMMUTABLE | APPEND)) 255 return (0); 256 } 257 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE)) 258 return (EPERM); 259 /* 260 * Go through the fields and update iff not VNOVAL. 261 */ 262 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) { 263 if (vp->v_mount->mnt_flag & MNT_RDONLY) 264 return (EROFS); 265 error = ext2fs_chown(vp, vap->va_uid, vap->va_gid, cred); 266 if (error) 267 return (error); 268 } 269 if (vap->va_size != VNOVAL) { 270 /* 271 * Disallow write attempts on read-only file systems; 272 * unless the file is a socket, fifo, or a block or 273 * character device resident on the file system. 274 */ 275 switch (vp->v_type) { 276 case VDIR: 277 return (EISDIR); 278 case VLNK: 279 case VREG: 280 if (vp->v_mount->mnt_flag & MNT_RDONLY) 281 return (EROFS); 282 default: 283 break; 284 } 285 error = ext2fs_truncate(ip, vap->va_size, 0, cred); 286 if (error) 287 return (error); 288 } 289 if ((vap->va_vaflags & VA_UTIMES_CHANGE) || 290 vap->va_atime.tv_nsec != VNOVAL || 291 vap->va_mtime.tv_nsec != VNOVAL) { 292 if (vp->v_mount->mnt_flag & MNT_RDONLY) 293 return (EROFS); 294 if (cred->cr_uid != ip->i_e2fs_uid && 295 (error = suser_ucred(cred)) && 296 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 || 297 (error = VOP_ACCESS(vp, VWRITE, cred, ap->a_p)))) 298 return (error); 299 if (vap->va_mtime.tv_nsec != VNOVAL) 300 ip->i_flag |= IN_CHANGE | IN_UPDATE; 301 else if (vap->va_vaflags & VA_UTIMES_CHANGE) 302 ip->i_flag |= IN_CHANGE; 303 if (vap->va_atime.tv_nsec != VNOVAL) { 304 if (!(vp->v_mount->mnt_flag & MNT_NOATIME) || 305 (ip->i_flag & (IN_CHANGE | IN_UPDATE))) 306 ip->i_flag |= IN_ACCESS; 307 } 308 EXT2FS_ITIMES(ip); 309 if (vap->va_mtime.tv_nsec != VNOVAL) 310 ip->i_e2fs_mtime = vap->va_mtime.tv_sec; 311 if (vap->va_atime.tv_nsec != VNOVAL) 312 ip->i_e2fs_atime = vap->va_atime.tv_sec; 313 error = ext2fs_update(ip, 1); 314 if (error) 315 return (error); 316 } 317 error = 0; 318 if (vap->va_mode != (mode_t)VNOVAL) { 319 if (vp->v_mount->mnt_flag & MNT_RDONLY) 320 return (EROFS); 321 error = ext2fs_chmod(vp, vap->va_mode, cred); 322 } 323 return (error); 324 } 325 326 /* 327 * Change the mode on a file. 328 * Inode must be locked before calling. 329 */ 330 static int 331 ext2fs_chmod(struct vnode *vp, mode_t mode, struct ucred *cred) 332 { 333 struct inode *ip = VTOI(vp); 334 int error; 335 336 if (cred->cr_uid != ip->i_e2fs_uid && (error = suser_ucred(cred))) 337 return (error); 338 if (cred->cr_uid) { 339 if (vp->v_type != VDIR && (mode & S_ISTXT)) 340 return (EFTYPE); 341 if (!groupmember(ip->i_e2fs_gid, cred) && (mode & ISGID)) 342 return (EPERM); 343 } 344 ip->i_e2fs_mode &= ~ALLPERMS; 345 ip->i_e2fs_mode |= (mode & ALLPERMS); 346 ip->i_flag |= IN_CHANGE; 347 if ((vp->v_flag & VTEXT) && (ip->i_e2fs_mode & S_ISTXT) == 0) 348 (void) uvm_vnp_uncache(vp); 349 return (0); 350 } 351 352 /* 353 * Perform chown operation on inode ip; 354 * inode must be locked prior to call. 355 */ 356 static int 357 ext2fs_chown(struct vnode *vp, uid_t uid, gid_t gid, struct ucred *cred) 358 { 359 struct inode *ip = VTOI(vp); 360 uid_t ouid; 361 gid_t ogid; 362 int error = 0; 363 364 if (uid == (uid_t)VNOVAL) 365 uid = ip->i_e2fs_uid; 366 if (gid == (gid_t)VNOVAL) 367 gid = ip->i_e2fs_gid; 368 /* 369 * If we don't own the file, are trying to change the owner 370 * of the file, or are not a member of the target group, 371 * the caller must be superuser or the call fails. 372 */ 373 if ((cred->cr_uid != ip->i_e2fs_uid || uid != ip->i_e2fs_uid || 374 (gid != ip->i_e2fs_gid && !groupmember(gid, cred))) && 375 (error = suser_ucred(cred))) 376 return (error); 377 ogid = ip->i_e2fs_gid; 378 ouid = ip->i_e2fs_uid; 379 380 ip->i_e2fs_gid = gid; 381 ip->i_e2fs_uid = uid; 382 if (ouid != uid || ogid != gid) 383 ip->i_flag |= IN_CHANGE; 384 if (ouid != uid && cred->cr_uid != 0) 385 ip->i_e2fs_mode &= ~ISUID; 386 if (ogid != gid && cred->cr_uid != 0) 387 ip->i_e2fs_mode &= ~ISGID; 388 return (0); 389 } 390 391 int 392 ext2fs_remove(void *v) 393 { 394 struct vop_remove_args *ap = v; 395 struct inode *ip; 396 struct vnode *vp = ap->a_vp; 397 struct vnode *dvp = ap->a_dvp; 398 int error; 399 400 ip = VTOI(vp); 401 if (vp->v_type == VDIR || 402 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 403 (VTOI(dvp)->i_e2fs_flags & EXT2_APPEND)) { 404 error = EPERM; 405 goto out; 406 } 407 error = ext2fs_dirremove(dvp, ap->a_cnp); 408 if (error == 0) { 409 ip->i_e2fs_nlink--; 410 ip->i_flag |= IN_CHANGE; 411 } 412 out: 413 if (dvp == vp) 414 vrele(vp); 415 else 416 vput(vp); 417 vput(dvp); 418 return (error); 419 } 420 421 /* 422 * link vnode call 423 */ 424 int 425 ext2fs_link(void *v) 426 { 427 struct vop_link_args *ap = v; 428 struct vnode *dvp = ap->a_dvp; 429 struct vnode *vp = ap->a_vp; 430 struct componentname *cnp = ap->a_cnp; 431 struct inode *ip; 432 int error; 433 434 #ifdef DIAGNOSTIC 435 if ((cnp->cn_flags & HASBUF) == 0) 436 panic("ext2fs_link: no name"); 437 #endif 438 if (vp->v_type == VDIR) { 439 VOP_ABORTOP(dvp, cnp); 440 error = EISDIR; 441 goto out2; 442 } 443 if (dvp->v_mount != vp->v_mount) { 444 VOP_ABORTOP(dvp, cnp); 445 error = EXDEV; 446 goto out2; 447 } 448 if (dvp != vp && (error = vn_lock(vp, LK_EXCLUSIVE))) { 449 VOP_ABORTOP(dvp, cnp); 450 goto out2; 451 } 452 ip = VTOI(vp); 453 if ((nlink_t)ip->i_e2fs_nlink >= LINK_MAX) { 454 VOP_ABORTOP(dvp, cnp); 455 error = EMLINK; 456 goto out1; 457 } 458 if (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) { 459 VOP_ABORTOP(dvp, cnp); 460 error = EPERM; 461 goto out1; 462 } 463 ip->i_e2fs_nlink++; 464 ip->i_flag |= IN_CHANGE; 465 error = ext2fs_update(ip, 1); 466 if (!error) 467 error = ext2fs_direnter(ip, dvp, cnp); 468 if (error) { 469 ip->i_e2fs_nlink--; 470 ip->i_flag |= IN_CHANGE; 471 } 472 pool_put(&namei_pool, cnp->cn_pnbuf); 473 out1: 474 if (dvp != vp) 475 VOP_UNLOCK(vp); 476 out2: 477 vput(dvp); 478 return (error); 479 } 480 481 /* 482 * Rename system call. 483 * rename("foo", "bar"); 484 * is essentially 485 * unlink("bar"); 486 * link("foo", "bar"); 487 * unlink("foo"); 488 * but ``atomically''. Can't do full commit without saving state in the 489 * inode on disk which isn't feasible at this time. Best we can do is 490 * always guarantee the target exists. 491 * 492 * Basic algorithm is: 493 * 494 * 1) Bump link count on source while we're linking it to the 495 * target. This also ensure the inode won't be deleted out 496 * from underneath us while we work (it may be truncated by 497 * a concurrent `trunc' or `open' for creation). 498 * 2) Link source to destination. If destination already exists, 499 * delete it first. 500 * 3) Unlink source reference to inode if still around. If a 501 * directory was moved and the parent of the destination 502 * is different from the source, patch the ".." entry in the 503 * directory. 504 */ 505 int 506 ext2fs_rename(void *v) 507 { 508 struct vop_rename_args *ap = v; 509 struct vnode *tvp = ap->a_tvp; 510 struct vnode *tdvp = ap->a_tdvp; 511 struct vnode *fvp = ap->a_fvp; 512 struct vnode *fdvp = ap->a_fdvp; 513 struct componentname *tcnp = ap->a_tcnp; 514 struct componentname *fcnp = ap->a_fcnp; 515 struct inode *ip, *xp, *dp; 516 struct ext2fs_dirtemplate dirbuf; 517 /* struct timespec ts; */ 518 int doingdirectory = 0, oldparent = 0, newparent = 0; 519 int error = 0; 520 u_char namlen; 521 522 #ifdef DIAGNOSTIC 523 if ((tcnp->cn_flags & HASBUF) == 0 || 524 (fcnp->cn_flags & HASBUF) == 0) 525 panic("ext2fs_rename: no name"); 526 #endif 527 /* 528 * Check for cross-device rename. 529 */ 530 if ((fvp->v_mount != tdvp->v_mount) || 531 (tvp && (fvp->v_mount != tvp->v_mount))) { 532 error = EXDEV; 533 abortit: 534 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */ 535 if (tdvp == tvp) 536 vrele(tdvp); 537 else 538 vput(tdvp); 539 if (tvp) 540 vput(tvp); 541 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */ 542 vrele(fdvp); 543 vrele(fvp); 544 return (error); 545 } 546 547 /* 548 * Check if just deleting a link name. 549 */ 550 if (tvp && ((VTOI(tvp)->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 551 (VTOI(tdvp)->i_e2fs_flags & EXT2_APPEND))) { 552 error = EPERM; 553 goto abortit; 554 } 555 if (fvp == tvp) { 556 if (fvp->v_type == VDIR) { 557 error = EINVAL; 558 goto abortit; 559 } 560 561 /* Release destination completely. */ 562 VOP_ABORTOP(tdvp, tcnp); 563 vput(tdvp); 564 vput(tvp); 565 566 /* Delete source. */ 567 vrele(fdvp); 568 vrele(fvp); 569 fcnp->cn_flags &= ~MODMASK; 570 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF; 571 if ((fcnp->cn_flags & SAVESTART) == 0) 572 panic("ext2fs_rename: lost from startdir"); 573 fcnp->cn_nameiop = DELETE; 574 (void) vfs_relookup(fdvp, &fvp, fcnp); 575 return (VOP_REMOVE(fdvp, fvp, fcnp)); 576 } 577 if ((error = vn_lock(fvp, LK_EXCLUSIVE)) != 0) 578 goto abortit; 579 dp = VTOI(fdvp); 580 ip = VTOI(fvp); 581 if ((nlink_t)ip->i_e2fs_nlink >= LINK_MAX) { 582 VOP_UNLOCK(fvp); 583 error = EMLINK; 584 goto abortit; 585 } 586 if ((ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 587 (dp->i_e2fs_flags & EXT2_APPEND)) { 588 VOP_UNLOCK(fvp); 589 error = EPERM; 590 goto abortit; 591 } 592 if ((ip->i_e2fs_mode & IFMT) == IFDIR) { 593 error = VOP_ACCESS(fvp, VWRITE, tcnp->cn_cred, tcnp->cn_proc); 594 if (!error && tvp) 595 error = VOP_ACCESS(tvp, VWRITE, tcnp->cn_cred, 596 tcnp->cn_proc); 597 if (error) { 598 VOP_UNLOCK(fvp); 599 error = EACCES; 600 goto abortit; 601 } 602 /* 603 * Avoid ".", "..", and aliases of "." for obvious reasons. 604 */ 605 if ((fcnp->cn_namelen == 1 && fcnp->cn_nameptr[0] == '.') || 606 dp == ip || 607 (fcnp->cn_flags&ISDOTDOT) || 608 (tcnp->cn_flags & ISDOTDOT) || 609 (ip->i_flag & IN_RENAME)) { 610 VOP_UNLOCK(fvp); 611 error = EINVAL; 612 goto abortit; 613 } 614 ip->i_flag |= IN_RENAME; 615 oldparent = dp->i_number; 616 doingdirectory++; 617 } 618 vrele(fdvp); 619 620 /* 621 * When the target exists, both the directory 622 * and target vnodes are returned locked. 623 */ 624 dp = VTOI(tdvp); 625 xp = NULL; 626 if (tvp) 627 xp = VTOI(tvp); 628 629 /* 630 * 1) Bump link count while we're moving stuff 631 * around. If we crash somewhere before 632 * completing our work, the link count 633 * may be wrong, but correctable. 634 */ 635 ip->i_e2fs_nlink++; 636 ip->i_flag |= IN_CHANGE; 637 if ((error = ext2fs_update(ip, 1)) != 0) { 638 VOP_UNLOCK(fvp); 639 goto bad; 640 } 641 642 /* 643 * If ".." must be changed (ie the directory gets a new 644 * parent) then the source directory must not be in the 645 * directory hierarchy above the target, as this would 646 * orphan everything below the source directory. Also 647 * the user must have write permission in the source so 648 * as to be able to change "..". We must repeat the call 649 * to namei, as the parent directory is unlocked by the 650 * call to checkpath(). 651 */ 652 error = VOP_ACCESS(fvp, VWRITE, tcnp->cn_cred, tcnp->cn_proc); 653 VOP_UNLOCK(fvp); 654 if (oldparent != dp->i_number) 655 newparent = dp->i_number; 656 if (doingdirectory && newparent) { 657 if (error) /* write access check above */ 658 goto bad; 659 if (xp != NULL) 660 vput(tvp); 661 error = ext2fs_checkpath(ip, dp, tcnp->cn_cred); 662 if (error != 0) 663 goto out; 664 if ((tcnp->cn_flags & SAVESTART) == 0) 665 panic("ext2fs_rename: lost to startdir"); 666 if ((error = vfs_relookup(tdvp, &tvp, tcnp)) != 0) 667 goto out; 668 dp = VTOI(tdvp); 669 xp = NULL; 670 if (tvp) 671 xp = VTOI(tvp); 672 } 673 /* 674 * 2) If target doesn't exist, link the target 675 * to the source and unlink the source. 676 * Otherwise, rewrite the target directory 677 * entry to reference the source inode and 678 * expunge the original entry's existence. 679 */ 680 if (xp == NULL) { 681 if (dp->i_dev != ip->i_dev) 682 panic("rename: EXDEV"); 683 /* 684 * Account for ".." in new directory. 685 * When source and destination have the same 686 * parent we don't fool with the link count. 687 */ 688 if (doingdirectory && newparent) { 689 if ((nlink_t)dp->i_e2fs_nlink >= LINK_MAX) { 690 error = EMLINK; 691 goto bad; 692 } 693 dp->i_e2fs_nlink++; 694 dp->i_flag |= IN_CHANGE; 695 if ((error = ext2fs_update(dp, 1)) != 0) 696 goto bad; 697 } 698 error = ext2fs_direnter(ip, tdvp, tcnp); 699 if (error != 0) { 700 if (doingdirectory && newparent) { 701 dp->i_e2fs_nlink--; 702 dp->i_flag |= IN_CHANGE; 703 (void)ext2fs_update(dp, 1); 704 } 705 goto bad; 706 } 707 vput(tdvp); 708 } else { 709 if (xp->i_dev != dp->i_dev || xp->i_dev != ip->i_dev) 710 panic("rename: EXDEV"); 711 /* 712 * Short circuit rename(foo, foo). 713 */ 714 if (xp->i_number == ip->i_number) 715 panic("rename: same file"); 716 /* 717 * If the parent directory is "sticky", then the user must 718 * own the parent directory, or the destination of the rename, 719 * otherwise the destination may not be changed (except by 720 * root). This implements append-only directories. 721 */ 722 if ((dp->i_e2fs_mode & S_ISTXT) && tcnp->cn_cred->cr_uid != 0 && 723 tcnp->cn_cred->cr_uid != dp->i_e2fs_uid && 724 xp->i_e2fs_uid != tcnp->cn_cred->cr_uid) { 725 error = EPERM; 726 goto bad; 727 } 728 /* 729 * Target must be empty if a directory and have no links 730 * to it. Also, ensure source and target are compatible 731 * (both directories, or both not directories). 732 */ 733 if ((xp->i_e2fs_mode & IFMT) == IFDIR) { 734 if (!ext2fs_dirempty(xp, dp->i_number, tcnp->cn_cred) || 735 xp->i_e2fs_nlink > 2) { 736 error = ENOTEMPTY; 737 goto bad; 738 } 739 if (!doingdirectory) { 740 error = ENOTDIR; 741 goto bad; 742 } 743 cache_purge(tdvp); 744 } else if (doingdirectory) { 745 error = EISDIR; 746 goto bad; 747 } 748 error = ext2fs_dirrewrite(dp, ip, tcnp); 749 if (error != 0) 750 goto bad; 751 /* 752 * If the target directory is in the same 753 * directory as the source directory, 754 * decrement the link count on the parent 755 * of the target directory. 756 */ 757 if (doingdirectory && !newparent) { 758 dp->i_e2fs_nlink--; 759 dp->i_flag |= IN_CHANGE; 760 } 761 vput(tdvp); 762 /* 763 * Adjust the link count of the target to 764 * reflect the dirrewrite above. If this is 765 * a directory it is empty and there are 766 * no links to it, so we can squash the inode and 767 * any space associated with it. We disallowed 768 * renaming over top of a directory with links to 769 * it above, as the remaining link would point to 770 * a directory without "." or ".." entries. 771 */ 772 xp->i_e2fs_nlink--; 773 if (doingdirectory) { 774 if (--xp->i_e2fs_nlink != 0) 775 panic("rename: linked directory"); 776 error = ext2fs_truncate(xp, (off_t)0, IO_SYNC, 777 tcnp->cn_cred); 778 } 779 xp->i_flag |= IN_CHANGE; 780 vput(tvp); 781 xp = NULL; 782 } 783 784 /* 785 * 3) Unlink the source. 786 */ 787 fcnp->cn_flags &= ~MODMASK; 788 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF; 789 if ((fcnp->cn_flags & SAVESTART) == 0) 790 panic("ext2fs_rename: lost from startdir"); 791 (void) vfs_relookup(fdvp, &fvp, fcnp); 792 if (fvp != NULL) { 793 xp = VTOI(fvp); 794 dp = VTOI(fdvp); 795 } else { 796 /* 797 * From name has disappeared. 798 */ 799 if (doingdirectory) 800 panic("ext2fs_rename: lost dir entry"); 801 vrele(ap->a_fvp); 802 return (0); 803 } 804 /* 805 * Ensure that the directory entry still exists and has not 806 * changed while the new name has been entered. If the source is 807 * a file then the entry may have been unlinked or renamed. In 808 * either case there is no further work to be done. If the source 809 * is a directory then it cannot have been rmdir'ed; its link 810 * count of three would cause a rmdir to fail with ENOTEMPTY. 811 * The IRENAME flag ensures that it cannot be moved by another 812 * rename. 813 */ 814 if (xp != ip) { 815 if (doingdirectory) 816 panic("ext2fs_rename: lost dir entry"); 817 } else { 818 /* 819 * If the source is a directory with a 820 * new parent, the link count of the old 821 * parent directory must be decremented 822 * and ".." set to point to the new parent. 823 */ 824 if (doingdirectory && newparent) { 825 dp->i_e2fs_nlink--; 826 dp->i_flag |= IN_CHANGE; 827 error = vn_rdwr(UIO_READ, fvp, (caddr_t)&dirbuf, 828 sizeof (struct ext2fs_dirtemplate), (off_t)0, 829 UIO_SYSSPACE, IO_NODELOCKED, 830 tcnp->cn_cred, NULL, curproc); 831 if (error == 0) { 832 namlen = dirbuf.dotdot_namlen; 833 if (namlen != 2 || 834 dirbuf.dotdot_name[0] != '.' || 835 dirbuf.dotdot_name[1] != '.') { 836 ufs_dirbad(xp, (doff_t)12, 837 "ext2fs_rename: mangled dir"); 838 } else { 839 dirbuf.dotdot_ino = htole32(newparent); 840 (void) vn_rdwr(UIO_WRITE, fvp, 841 (caddr_t)&dirbuf, 842 sizeof (struct dirtemplate), 843 (off_t)0, UIO_SYSSPACE, 844 IO_NODELOCKED|IO_SYNC, 845 tcnp->cn_cred, NULL, curproc); 846 cache_purge(fdvp); 847 } 848 } 849 } 850 error = ext2fs_dirremove(fdvp, fcnp); 851 if (!error) { 852 xp->i_e2fs_nlink--; 853 xp->i_flag |= IN_CHANGE; 854 } 855 xp->i_flag &= ~IN_RENAME; 856 } 857 if (dp) 858 vput(fdvp); 859 if (xp) 860 vput(fvp); 861 vrele(ap->a_fvp); 862 return (error); 863 864 bad: 865 if (xp) 866 vput(ITOV(xp)); 867 vput(ITOV(dp)); 868 out: 869 if (doingdirectory) 870 ip->i_flag &= ~IN_RENAME; 871 if (vn_lock(fvp, LK_EXCLUSIVE) == 0) { 872 ip->i_e2fs_nlink--; 873 ip->i_flag |= IN_CHANGE; 874 vput(fvp); 875 } else 876 vrele(fvp); 877 return (error); 878 } 879 880 /* 881 * Mkdir system call 882 */ 883 int 884 ext2fs_mkdir(void *v) 885 { 886 struct vop_mkdir_args *ap = v; 887 struct vnode *dvp = ap->a_dvp; 888 struct vattr *vap = ap->a_vap; 889 struct componentname *cnp = ap->a_cnp; 890 struct inode *ip, *dp; 891 struct vnode *tvp; 892 struct ext2fs_dirtemplate dirtemplate; 893 mode_t dmode; 894 int error; 895 896 #ifdef DIAGNOSTIC 897 if ((cnp->cn_flags & HASBUF) == 0) 898 panic("ext2fs_mkdir: no name"); 899 #endif 900 dp = VTOI(dvp); 901 if ((nlink_t)dp->i_e2fs_nlink >= LINK_MAX) { 902 error = EMLINK; 903 goto out; 904 } 905 dmode = vap->va_mode & ACCESSPERMS; 906 dmode |= IFDIR; 907 /* 908 * Must simulate part of ext2fs_makeinode here to acquire the inode, 909 * but not have it entered in the parent directory. The entry is 910 * made later after writing "." and ".." entries. 911 */ 912 if ((error = ext2fs_inode_alloc(dp, dmode, cnp->cn_cred, &tvp)) != 0) 913 goto out; 914 ip = VTOI(tvp); 915 ip->i_e2fs_uid = cnp->cn_cred->cr_uid; 916 ip->i_e2fs_gid = dp->i_e2fs_gid; 917 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 918 ip->i_e2fs_mode = dmode; 919 tvp->v_type = VDIR; /* Rest init'd in getnewvnode(). */ 920 ip->i_e2fs_nlink = 2; 921 error = ext2fs_update(ip, 1); 922 923 /* 924 * Bump link count in parent directory 925 * to reflect work done below. Should 926 * be done before reference is created 927 * so reparation is possible if we crash. 928 */ 929 dp->i_e2fs_nlink++; 930 dp->i_flag |= IN_CHANGE; 931 if ((error = ext2fs_update(dp, 1)) != 0) 932 goto bad; 933 934 /* Initialize directory with "." and ".." from static template. */ 935 memset(&dirtemplate, 0, sizeof(dirtemplate)); 936 dirtemplate.dot_ino = htole32(ip->i_number); 937 dirtemplate.dot_reclen = htole16(12); 938 dirtemplate.dot_namlen = 1; 939 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 940 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 941 dirtemplate.dot_type = EXT2_FT_DIR; 942 } 943 dirtemplate.dot_name[0] = '.'; 944 dirtemplate.dotdot_ino = htole32(dp->i_number); 945 dirtemplate.dotdot_reclen = htole16(VTOI(dvp)->i_e2fs->e2fs_bsize - 12); 946 dirtemplate.dotdot_namlen = 2; 947 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 948 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 949 dirtemplate.dotdot_type = EXT2_FT_DIR; 950 } 951 dirtemplate.dotdot_name[0] = dirtemplate.dotdot_name[1] = '.'; 952 error = vn_rdwr(UIO_WRITE, tvp, (caddr_t)&dirtemplate, 953 sizeof (dirtemplate), (off_t)0, UIO_SYSSPACE, 954 IO_NODELOCKED|IO_SYNC, cnp->cn_cred, NULL, curproc); 955 if (error) { 956 dp->i_e2fs_nlink--; 957 dp->i_flag |= IN_CHANGE; 958 goto bad; 959 } 960 if (VTOI(dvp)->i_e2fs->e2fs_bsize > 961 VFSTOUFS(dvp->v_mount)->um_mountp->mnt_stat.f_bsize) 962 panic("ext2fs_mkdir: blksize"); /* XXX should grow with balloc() */ 963 else { 964 error = ext2fs_setsize(ip, VTOI(dvp)->i_e2fs->e2fs_bsize); 965 if (error) { 966 dp->i_e2fs_nlink--; 967 dp->i_flag |= IN_CHANGE; 968 goto bad; 969 } 970 ip->i_flag |= IN_CHANGE; 971 } 972 973 /* Directory set up, now install its entry in the parent directory. */ 974 error = ext2fs_direnter(ip, dvp, cnp); 975 if (error != 0) { 976 dp->i_e2fs_nlink--; 977 dp->i_flag |= IN_CHANGE; 978 } 979 bad: 980 /* 981 * No need to do an explicit VOP_TRUNCATE here, vrele will do this 982 * for us because we set the link count to 0. 983 */ 984 if (error) { 985 ip->i_e2fs_nlink = 0; 986 ip->i_flag |= IN_CHANGE; 987 vput(tvp); 988 } else 989 *ap->a_vpp = tvp; 990 out: 991 pool_put(&namei_pool, cnp->cn_pnbuf); 992 vput(dvp); 993 return (error); 994 } 995 996 /* 997 * Rmdir system call. 998 */ 999 int 1000 ext2fs_rmdir(void *v) 1001 { 1002 struct vop_rmdir_args *ap = v; 1003 struct vnode *vp = ap->a_vp; 1004 struct vnode *dvp = ap->a_dvp; 1005 struct componentname *cnp = ap->a_cnp; 1006 struct inode *ip, *dp; 1007 int error; 1008 1009 ip = VTOI(vp); 1010 dp = VTOI(dvp); 1011 /* 1012 * Verify the directory is empty (and valid). 1013 * (Rmdir ".." won't be valid since 1014 * ".." will contain a reference to 1015 * the current directory and thus be 1016 * non-empty.) 1017 */ 1018 error = 0; 1019 if (ip->i_e2fs_nlink != 2 || 1020 !ext2fs_dirempty(ip, dp->i_number, cnp->cn_cred)) { 1021 error = ENOTEMPTY; 1022 goto out; 1023 } 1024 if ((dp->i_e2fs_flags & EXT2_APPEND) || 1025 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND))) { 1026 error = EPERM; 1027 goto out; 1028 } 1029 /* 1030 * Delete reference to directory before purging 1031 * inode. If we crash in between, the directory 1032 * will be reattached to lost+found, 1033 */ 1034 error = ext2fs_dirremove(dvp, cnp); 1035 if (error != 0) 1036 goto out; 1037 dp->i_e2fs_nlink--; 1038 dp->i_flag |= IN_CHANGE; 1039 cache_purge(dvp); 1040 vput(dvp); 1041 dvp = NULL; 1042 /* 1043 * Truncate inode. The only stuff left 1044 * in the directory is "." and "..". The 1045 * "." reference is inconsequential since 1046 * we're quashing it. The ".." reference 1047 * has already been adjusted above. We've 1048 * removed the "." reference and the reference 1049 * in the parent directory, but there may be 1050 * other hard links so decrement by 2 and 1051 * worry about them later. 1052 */ 1053 ip->i_e2fs_nlink -= 2; 1054 error = ext2fs_truncate(ip, (off_t)0, IO_SYNC, cnp->cn_cred); 1055 cache_purge(ITOV(ip)); 1056 out: 1057 if (dvp) 1058 vput(dvp); 1059 vput(vp); 1060 return (error); 1061 } 1062 1063 /* 1064 * symlink -- make a symbolic link 1065 */ 1066 int 1067 ext2fs_symlink(void *v) 1068 { 1069 struct vop_symlink_args *ap = v; 1070 struct vnode *vp, **vpp = ap->a_vpp; 1071 struct inode *ip; 1072 int len, error; 1073 1074 error = ext2fs_makeinode(IFLNK | ap->a_vap->va_mode, ap->a_dvp, 1075 vpp, ap->a_cnp); 1076 vput(ap->a_dvp); 1077 if (error) 1078 return (error); 1079 vp = *vpp; 1080 len = strlen(ap->a_target); 1081 if (len < EXT2_MAXSYMLINKLEN) { 1082 ip = VTOI(vp); 1083 memcpy(ip->i_e2din->e2di_shortlink, ap->a_target, len); 1084 error = ext2fs_setsize(ip, len); 1085 if (error) 1086 goto bad; 1087 ip->i_flag |= IN_CHANGE | IN_UPDATE; 1088 } else 1089 error = vn_rdwr(UIO_WRITE, vp, ap->a_target, len, (off_t)0, 1090 UIO_SYSSPACE, IO_NODELOCKED, ap->a_cnp->cn_cred, NULL, 1091 curproc); 1092 bad: 1093 vput(vp); 1094 return (error); 1095 } 1096 1097 /* 1098 * Return target name of a symbolic link 1099 */ 1100 int 1101 ext2fs_readlink(void *v) 1102 { 1103 struct vop_readlink_args *ap = v; 1104 struct vnode *vp = ap->a_vp; 1105 struct inode *ip = VTOI(vp); 1106 u_int64_t isize; 1107 1108 isize = ext2fs_size(ip); 1109 if (isize < EXT2_MAXSYMLINKLEN) { 1110 return (uiomove((char *)ip->i_e2din->e2di_shortlink, isize, 1111 ap->a_uio)); 1112 } 1113 return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred)); 1114 } 1115 1116 /* 1117 * Return POSIX pathconf information applicable to ext2 filesystems. 1118 */ 1119 int 1120 ext2fs_pathconf(void *v) 1121 { 1122 struct vop_pathconf_args *ap = v; 1123 int error = 0; 1124 1125 switch (ap->a_name) { 1126 case _PC_TIMESTAMP_RESOLUTION: 1127 *ap->a_retval = 1000000000; /* 1 billion nanoseconds */ 1128 break; 1129 default: 1130 return (ufs_pathconf(v)); 1131 } 1132 1133 return (error); 1134 } 1135 1136 /* 1137 * Advisory record locking support 1138 */ 1139 int 1140 ext2fs_advlock(void *v) 1141 { 1142 struct vop_advlock_args *ap = v; 1143 struct inode *ip = VTOI(ap->a_vp); 1144 1145 return (lf_advlock(&ip->i_lockf, ext2fs_size(ip), ap->a_id, ap->a_op, 1146 ap->a_fl, ap->a_flags)); 1147 } 1148 1149 /* 1150 * Allocate a new inode. 1151 */ 1152 int 1153 ext2fs_makeinode(int mode, struct vnode *dvp, struct vnode **vpp, 1154 struct componentname *cnp) 1155 { 1156 struct inode *ip, *pdir; 1157 struct vnode *tvp; 1158 int error; 1159 1160 pdir = VTOI(dvp); 1161 #ifdef DIAGNOSTIC 1162 if ((cnp->cn_flags & HASBUF) == 0) 1163 panic("ext2fs_makeinode: no name"); 1164 #endif 1165 *vpp = NULL; 1166 if ((mode & IFMT) == 0) 1167 mode |= IFREG; 1168 1169 if ((error = ext2fs_inode_alloc(pdir, mode, cnp->cn_cred, &tvp)) 1170 != 0) { 1171 pool_put(&namei_pool, cnp->cn_pnbuf); 1172 return (error); 1173 } 1174 ip = VTOI(tvp); 1175 ip->i_e2fs_gid = pdir->i_e2fs_gid; 1176 ip->i_e2fs_uid = cnp->cn_cred->cr_uid; 1177 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 1178 ip->i_e2fs_mode = mode; 1179 tvp->v_type = IFTOVT(mode); /* Rest init'd in getnewvnode(). */ 1180 ip->i_e2fs_nlink = 1; 1181 if ((ip->i_e2fs_mode & ISGID) && 1182 !groupmember(ip->i_e2fs_gid, cnp->cn_cred) && 1183 suser_ucred(cnp->cn_cred)) 1184 ip->i_e2fs_mode &= ~ISGID; 1185 1186 /* 1187 * Make sure inode goes to disk before directory entry. 1188 */ 1189 if ((error = ext2fs_update(ip, 1)) != 0) 1190 goto bad; 1191 error = ext2fs_direnter(ip, dvp, cnp); 1192 if (error != 0) 1193 goto bad; 1194 if ((cnp->cn_flags & SAVESTART) == 0) 1195 pool_put(&namei_pool, cnp->cn_pnbuf); 1196 *vpp = tvp; 1197 return (0); 1198 1199 bad: 1200 /* 1201 * Write error occurred trying to update the inode 1202 * or the directory so must deallocate the inode. 1203 */ 1204 pool_put(&namei_pool, cnp->cn_pnbuf); 1205 ip->i_e2fs_nlink = 0; 1206 ip->i_flag |= IN_CHANGE; 1207 tvp->v_type = VNON; 1208 vput(tvp); 1209 return (error); 1210 } 1211 1212 /* 1213 * Synch an open file. 1214 */ 1215 int 1216 ext2fs_fsync(void *v) 1217 { 1218 struct vop_fsync_args *ap = v; 1219 struct vnode *vp = ap->a_vp; 1220 1221 vflushbuf(vp, ap->a_waitfor == MNT_WAIT); 1222 return (ext2fs_update(VTOI(ap->a_vp), ap->a_waitfor == MNT_WAIT)); 1223 } 1224 1225 /* 1226 * Reclaim an inode so that it can be used for other purposes. 1227 */ 1228 int 1229 ext2fs_reclaim(void *v) 1230 { 1231 struct vop_reclaim_args *ap = v; 1232 struct vnode *vp = ap->a_vp; 1233 struct inode *ip; 1234 #ifdef DIAGNOSTIC 1235 extern int prtactive; 1236 1237 if (prtactive && vp->v_usecount != 0) 1238 vprint("ext2fs_reclaim: pushing active", vp); 1239 #endif 1240 1241 /* 1242 * Remove the inode from its hash chain. 1243 */ 1244 ip = VTOI(vp); 1245 ufs_ihashrem(ip); 1246 1247 /* 1248 * Purge old data structures associated with the inode. 1249 */ 1250 cache_purge(vp); 1251 if (ip->i_devvp) 1252 vrele(ip->i_devvp); 1253 1254 if (ip->i_e2din != NULL) 1255 pool_put(&ext2fs_dinode_pool, ip->i_e2din); 1256 1257 pool_put(&ext2fs_inode_pool, ip); 1258 1259 vp->v_data = NULL; 1260 1261 return (0); 1262 } 1263 1264 /* Global vfs data structures for ext2fs. */ 1265 const struct vops ext2fs_vops = { 1266 .vop_lookup = ext2fs_lookup, 1267 .vop_create = ext2fs_create, 1268 .vop_mknod = ext2fs_mknod, 1269 .vop_open = ext2fs_open, 1270 .vop_close = ufs_close, 1271 .vop_access = ext2fs_access, 1272 .vop_getattr = ext2fs_getattr, 1273 .vop_setattr = ext2fs_setattr, 1274 .vop_read = ext2fs_read, 1275 .vop_write = ext2fs_write, 1276 .vop_ioctl = ufs_ioctl, 1277 .vop_kqfilter = ufs_kqfilter, 1278 .vop_revoke = NULL, 1279 .vop_fsync = ext2fs_fsync, 1280 .vop_remove = ext2fs_remove, 1281 .vop_link = ext2fs_link, 1282 .vop_rename = ext2fs_rename, 1283 .vop_mkdir = ext2fs_mkdir, 1284 .vop_rmdir = ext2fs_rmdir, 1285 .vop_symlink = ext2fs_symlink, 1286 .vop_readdir = ext2fs_readdir, 1287 .vop_readlink = ext2fs_readlink, 1288 .vop_abortop = vop_generic_abortop, 1289 .vop_inactive = ext2fs_inactive, 1290 .vop_reclaim = ext2fs_reclaim, 1291 .vop_lock = ufs_lock, 1292 .vop_unlock = ufs_unlock, 1293 .vop_bmap = ext2fs_bmap, 1294 .vop_strategy = ufs_strategy, 1295 .vop_print = ufs_print, 1296 .vop_islocked = ufs_islocked, 1297 .vop_pathconf = ext2fs_pathconf, 1298 .vop_advlock = ext2fs_advlock, 1299 .vop_bwrite = vop_generic_bwrite, 1300 }; 1301 1302 const struct vops ext2fs_specvops = { 1303 .vop_close = ufsspec_close, 1304 .vop_access = ext2fs_access, 1305 .vop_getattr = ext2fs_getattr, 1306 .vop_setattr = ext2fs_setattr, 1307 .vop_read = ufsspec_read, 1308 .vop_write = ufsspec_write, 1309 .vop_fsync = ext2fs_fsync, 1310 .vop_inactive = ext2fs_inactive, 1311 .vop_reclaim = ext2fs_reclaim, 1312 .vop_lock = ufs_lock, 1313 .vop_unlock = ufs_unlock, 1314 .vop_print = ufs_print, 1315 .vop_islocked = ufs_islocked, 1316 1317 /* XXX: Keep in sync with spec_vops. */ 1318 .vop_lookup = vop_generic_lookup, 1319 .vop_create = vop_generic_badop, 1320 .vop_mknod = vop_generic_badop, 1321 .vop_open = spec_open, 1322 .vop_ioctl = spec_ioctl, 1323 .vop_kqfilter = spec_kqfilter, 1324 .vop_revoke = vop_generic_revoke, 1325 .vop_remove = vop_generic_badop, 1326 .vop_link = vop_generic_badop, 1327 .vop_rename = vop_generic_badop, 1328 .vop_mkdir = vop_generic_badop, 1329 .vop_rmdir = vop_generic_badop, 1330 .vop_symlink = vop_generic_badop, 1331 .vop_readdir = vop_generic_badop, 1332 .vop_readlink = vop_generic_badop, 1333 .vop_abortop = vop_generic_badop, 1334 .vop_bmap = vop_generic_bmap, 1335 .vop_strategy = spec_strategy, 1336 .vop_pathconf = spec_pathconf, 1337 .vop_advlock = spec_advlock, 1338 .vop_bwrite = vop_generic_bwrite, 1339 }; 1340 1341 #ifdef FIFO 1342 const struct vops ext2fs_fifovops = { 1343 .vop_close = ufsfifo_close, 1344 .vop_access = ufsfifo_close, 1345 .vop_getattr = ext2fs_getattr, 1346 .vop_setattr = ext2fs_setattr, 1347 .vop_read = ufsfifo_read, 1348 .vop_write = ufsfifo_write, 1349 .vop_fsync = ext2fs_fsync, 1350 .vop_inactive = ext2fs_inactive, 1351 .vop_reclaim = ext2fsfifo_reclaim, 1352 .vop_lock = ufs_lock, 1353 .vop_unlock = ufs_unlock, 1354 .vop_print = ufs_print, 1355 .vop_islocked = ufs_islocked, 1356 .vop_bwrite = vop_generic_bwrite, 1357 1358 /* XXX: Keep in sync with fifo_vops */ 1359 .vop_lookup = vop_generic_lookup, 1360 .vop_create = vop_generic_badop, 1361 .vop_mknod = vop_generic_badop, 1362 .vop_open = fifo_open, 1363 .vop_ioctl = fifo_ioctl, 1364 .vop_kqfilter = fifo_kqfilter, 1365 .vop_revoke = vop_generic_revoke, 1366 .vop_remove = vop_generic_badop, 1367 .vop_link = vop_generic_badop, 1368 .vop_rename = vop_generic_badop, 1369 .vop_mkdir = vop_generic_badop, 1370 .vop_rmdir = vop_generic_badop, 1371 .vop_symlink = vop_generic_badop, 1372 .vop_readdir = vop_generic_badop, 1373 .vop_readlink = vop_generic_badop, 1374 .vop_abortop = vop_generic_badop, 1375 .vop_bmap = vop_generic_bmap, 1376 .vop_strategy = vop_generic_badop, 1377 .vop_pathconf = fifo_pathconf, 1378 .vop_advlock = fifo_advlock, 1379 }; 1380 1381 int 1382 ext2fsfifo_reclaim(void *v) 1383 { 1384 fifo_reclaim(v); 1385 return (ext2fs_reclaim(v)); 1386 } 1387 #endif /* FIFO */ 1388