1 /* $OpenBSD: ext2fs_vnops.c,v 1.61 2011/07/04 20:35:35 deraadt 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/file.h> 47 #include <sys/stat.h> 48 #include <sys/buf.h> 49 #include <sys/proc.h> 50 #include <sys/conf.h> 51 #include <sys/mount.h> 52 #include <sys/namei.h> 53 #include <sys/vnode.h> 54 #include <sys/lockf.h> 55 #include <sys/malloc.h> 56 #include <sys/pool.h> 57 #include <sys/signalvar.h> 58 #include <sys/specdev.h> 59 60 #include <uvm/uvm_extern.h> 61 62 #include <miscfs/fifofs/fifo.h> 63 64 #include <ufs/ufs/quota.h> 65 #include <ufs/ufs/inode.h> 66 #include <ufs/ufs/ufs_extern.h> 67 #include <ufs/ufs/ufsmount.h> 68 69 #include <ufs/ext2fs/ext2fs.h> 70 #include <ufs/ext2fs/ext2fs_extern.h> 71 #include <ufs/ext2fs/ext2fs_dir.h> 72 73 static int ext2fs_chmod(struct vnode *, mode_t, struct ucred *, struct proc *); 74 static int ext2fs_chown(struct vnode *, uid_t, gid_t, struct ucred *, struct proc *); 75 76 /* 77 * Create a regular file 78 */ 79 int 80 ext2fs_create(void *v) 81 { 82 struct vop_create_args *ap = v; 83 return ext2fs_makeinode(MAKEIMODE(ap->a_vap->va_type, 84 ap->a_vap->va_mode), 85 ap->a_dvp, ap->a_vpp, ap->a_cnp); 86 } 87 88 /* 89 * Mknod vnode call 90 */ 91 /* ARGSUSED */ 92 int 93 ext2fs_mknod(void *v) 94 { 95 struct vop_mknod_args *ap = v; 96 struct vattr *vap = ap->a_vap; 97 struct vnode **vpp = ap->a_vpp; 98 struct inode *ip; 99 int error; 100 101 if ((error = 102 ext2fs_makeinode(MAKEIMODE(vap->va_type, vap->va_mode), 103 ap->a_dvp, vpp, ap->a_cnp)) != 0) 104 return (error); 105 ip = VTOI(*vpp); 106 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 107 if (vap->va_rdev != VNOVAL) { 108 /* 109 * Want to be able to use this to make badblock 110 * inodes, so don't truncate the dev number. 111 */ 112 ip->i_e2din->e2di_rdev = h2fs32(vap->va_rdev); 113 } 114 /* 115 * Remove inode so that it will be reloaded by VFS_VGET and 116 * checked to see if it is an alias of an existing entry in 117 * the inode cache. 118 */ 119 vput(*vpp); 120 (*vpp)->v_type = VNON; 121 vgone(*vpp); 122 *vpp = NULL; 123 return (0); 124 } 125 126 /* 127 * Open called. 128 * 129 * Just check the APPEND flag. 130 */ 131 /* ARGSUSED */ 132 int 133 ext2fs_open(void *v) 134 { 135 struct vop_open_args *ap = v; 136 137 /* 138 * Files marked append-only must be opened for appending. 139 */ 140 if ((VTOI(ap->a_vp)->i_e2fs_flags & EXT2_APPEND) && 141 (ap->a_mode & (FWRITE | O_APPEND)) == FWRITE) 142 return (EPERM); 143 return (0); 144 } 145 146 int 147 ext2fs_access(void *v) 148 { 149 struct vop_access_args *ap = v; 150 struct vnode *vp = ap->a_vp; 151 struct inode *ip = VTOI(vp); 152 mode_t mode = ap->a_mode; 153 154 /* If immutable bit set, nobody gets to write it. */ 155 if ((mode & VWRITE) && (ip->i_e2fs_flags & EXT2_IMMUTABLE)) 156 return (EPERM); 157 158 return (vaccess(vp->v_type, ip->i_e2fs_mode, ip->i_e2fs_uid, 159 ip->i_e2fs_gid, mode, ap->a_cred)); 160 } 161 162 /* ARGSUSED */ 163 int 164 ext2fs_getattr(void *v) 165 { 166 struct vop_getattr_args *ap = v; 167 struct vnode *vp = ap->a_vp; 168 struct inode *ip = VTOI(vp); 169 struct vattr *vap = ap->a_vap; 170 struct timeval tv; 171 172 getmicrotime(&tv); 173 EXT2FS_ITIMES(ip, &tv, &tv); 174 /* 175 * Copy from inode table 176 */ 177 vap->va_fsid = ip->i_dev; 178 vap->va_fileid = ip->i_number; 179 vap->va_mode = ip->i_e2fs_mode & ALLPERMS; 180 vap->va_nlink = ip->i_e2fs_nlink; 181 vap->va_uid = ip->i_e2fs_uid; 182 vap->va_gid = ip->i_e2fs_gid; 183 vap->va_rdev = (dev_t)fs2h32(ip->i_e2din->e2di_rdev); 184 vap->va_size = ext2fs_size(ip); 185 vap->va_atime.tv_sec = ip->i_e2fs_atime; 186 vap->va_atime.tv_nsec = 0; 187 vap->va_mtime.tv_sec = ip->i_e2fs_mtime; 188 vap->va_mtime.tv_nsec = 0; 189 vap->va_ctime.tv_sec = ip->i_e2fs_ctime; 190 vap->va_ctime.tv_nsec = 0; 191 #ifdef EXT2FS_SYSTEM_FLAGS 192 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? SF_APPEND : 0; 193 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? SF_IMMUTABLE : 0; 194 #else 195 vap->va_flags = (ip->i_e2fs_flags & EXT2_APPEND) ? UF_APPEND : 0; 196 vap->va_flags |= (ip->i_e2fs_flags & EXT2_IMMUTABLE) ? UF_IMMUTABLE : 0; 197 #endif 198 vap->va_gen = ip->i_e2fs_gen; 199 /* this doesn't belong here */ 200 if (vp->v_type == VBLK) 201 vap->va_blocksize = BLKDEV_IOSIZE; 202 else if (vp->v_type == VCHR) 203 vap->va_blocksize = MAXBSIZE; 204 else 205 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 206 vap->va_bytes = dbtob((u_quad_t)ip->i_e2fs_nblock); 207 vap->va_type = vp->v_type; 208 vap->va_filerev = ip->i_modrev; 209 return (0); 210 } 211 212 /* 213 * Set attribute vnode op. called from several syscalls 214 */ 215 int 216 ext2fs_setattr(void *v) 217 { 218 struct vop_setattr_args *ap = v; 219 struct vattr *vap = ap->a_vap; 220 struct vnode *vp = ap->a_vp; 221 struct inode *ip = VTOI(vp); 222 struct ucred *cred = ap->a_cred; 223 struct proc *p = ap->a_p; 224 int error; 225 226 /* 227 * Check for unsettable attributes. 228 */ 229 if ((vap->va_type != VNON) || (vap->va_nlink != VNOVAL) || 230 (vap->va_fsid != VNOVAL) || (vap->va_fileid != VNOVAL) || 231 (vap->va_blocksize != VNOVAL) || (vap->va_rdev != VNOVAL) || 232 ((int)vap->va_bytes != VNOVAL) || (vap->va_gen != VNOVAL)) { 233 return (EINVAL); 234 } 235 if (vap->va_flags != VNOVAL) { 236 if (vp->v_mount->mnt_flag & MNT_RDONLY) 237 return (EROFS); 238 if (cred->cr_uid != ip->i_e2fs_uid && 239 (error = suser_ucred(cred))) 240 return (error); 241 #ifdef EXT2FS_SYSTEM_FLAGS 242 if (cred->cr_uid == 0) { 243 if ((ip->i_e2fs_flags & 244 (EXT2_APPEND | EXT2_IMMUTABLE)) && securelevel > 0) 245 return (EPERM); 246 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 247 ip->i_e2fs_flags |= 248 (vap->va_flags & SF_APPEND) ? EXT2_APPEND : 0 | 249 (vap->va_flags & SF_IMMUTABLE) ? EXT2_IMMUTABLE: 0; 250 } else { 251 return (EPERM); 252 } 253 #else 254 ip->i_e2fs_flags &= ~(EXT2_APPEND | EXT2_IMMUTABLE); 255 ip->i_e2fs_flags |= 256 (vap->va_flags & UF_APPEND) ? EXT2_APPEND : 0 | 257 (vap->va_flags & UF_IMMUTABLE) ? EXT2_IMMUTABLE: 0; 258 #endif 259 ip->i_flag |= IN_CHANGE; 260 if (vap->va_flags & (IMMUTABLE | APPEND)) 261 return (0); 262 } 263 if (ip->i_e2fs_flags & (EXT2_APPEND | EXT2_IMMUTABLE)) 264 return (EPERM); 265 /* 266 * Go through the fields and update iff not VNOVAL. 267 */ 268 if (vap->va_uid != (uid_t)VNOVAL || vap->va_gid != (gid_t)VNOVAL) { 269 if (vp->v_mount->mnt_flag & MNT_RDONLY) 270 return (EROFS); 271 error = ext2fs_chown(vp, vap->va_uid, vap->va_gid, cred, p); 272 if (error) 273 return (error); 274 } 275 if (vap->va_size != VNOVAL) { 276 /* 277 * Disallow write attempts on read-only file systems; 278 * unless the file is a socket, fifo, or a block or 279 * character device resident on the file system. 280 */ 281 switch (vp->v_type) { 282 case VDIR: 283 return (EISDIR); 284 case VLNK: 285 case VREG: 286 if (vp->v_mount->mnt_flag & MNT_RDONLY) 287 return (EROFS); 288 default: 289 break; 290 } 291 error = ext2fs_truncate(ip, vap->va_size, 0, cred); 292 if (error) 293 return (error); 294 } 295 if (vap->va_atime.tv_sec != VNOVAL || vap->va_mtime.tv_sec != VNOVAL) { 296 if (vp->v_mount->mnt_flag & MNT_RDONLY) 297 return (EROFS); 298 if (cred->cr_uid != ip->i_e2fs_uid && 299 (error = suser_ucred(cred)) && 300 ((vap->va_vaflags & VA_UTIMES_NULL) == 0 || 301 (error = VOP_ACCESS(vp, VWRITE, cred, p)))) 302 return (error); 303 if (vap->va_mtime.tv_sec != VNOVAL) 304 ip->i_flag |= IN_CHANGE | IN_UPDATE; 305 if (vap->va_atime.tv_sec != VNOVAL) { 306 if (!(vp->v_mount->mnt_flag & MNT_NOATIME) || 307 (ip->i_flag & (IN_CHANGE | IN_UPDATE))) 308 ip->i_flag |= IN_ACCESS; 309 } 310 error = ext2fs_update(ip, &vap->va_atime, &vap->va_mtime, 1); 311 if (error) 312 return (error); 313 } 314 error = 0; 315 if (vap->va_mode != (mode_t)VNOVAL) { 316 if (vp->v_mount->mnt_flag & MNT_RDONLY) 317 return (EROFS); 318 error = ext2fs_chmod(vp, (int)vap->va_mode, cred, p); 319 } 320 return (error); 321 } 322 323 /* 324 * Change the mode on a file. 325 * Inode must be locked before calling. 326 */ 327 static int 328 ext2fs_chmod(struct vnode *vp, mode_t mode, struct ucred *cred, struct proc *p) 329 { 330 struct inode *ip = VTOI(vp); 331 int error; 332 333 if (cred->cr_uid != ip->i_e2fs_uid && (error = suser_ucred(cred))) 334 return (error); 335 if (cred->cr_uid) { 336 if (vp->v_type != VDIR && (mode & S_ISTXT)) 337 return (EFTYPE); 338 if (!groupmember(ip->i_e2fs_gid, cred) && (mode & ISGID)) 339 return (EPERM); 340 } 341 ip->i_e2fs_mode &= ~ALLPERMS; 342 ip->i_e2fs_mode |= (mode & ALLPERMS); 343 ip->i_flag |= IN_CHANGE; 344 if ((vp->v_flag & VTEXT) && (ip->i_e2fs_mode & S_ISTXT) == 0) 345 (void) uvm_vnp_uncache(vp); 346 return (0); 347 } 348 349 /* 350 * Perform chown operation on inode ip; 351 * inode must be locked prior to call. 352 */ 353 static int 354 ext2fs_chown(struct vnode *vp, uid_t uid, gid_t gid, struct ucred *cred, struct proc *p) 355 { 356 struct inode *ip = VTOI(vp); 357 uid_t ouid; 358 gid_t ogid; 359 int error = 0; 360 361 if (uid == (uid_t)VNOVAL) 362 uid = ip->i_e2fs_uid; 363 if (gid == (gid_t)VNOVAL) 364 gid = ip->i_e2fs_gid; 365 /* 366 * If we don't own the file, are trying to change the owner 367 * of the file, or are not a member of the target group, 368 * the caller must be superuser or the call fails. 369 */ 370 if ((cred->cr_uid != ip->i_e2fs_uid || uid != ip->i_e2fs_uid || 371 (gid != ip->i_e2fs_gid && !groupmember((gid_t)gid, cred))) && 372 (error = suser_ucred(cred))) 373 return (error); 374 ogid = ip->i_e2fs_gid; 375 ouid = ip->i_e2fs_uid; 376 377 ip->i_e2fs_gid = gid; 378 ip->i_e2fs_uid = uid; 379 if (ouid != uid || ogid != gid) 380 ip->i_flag |= IN_CHANGE; 381 if (ouid != uid && cred->cr_uid != 0) 382 ip->i_e2fs_mode &= ~ISUID; 383 if (ogid != gid && cred->cr_uid != 0) 384 ip->i_e2fs_mode &= ~ISGID; 385 return (0); 386 } 387 388 int 389 ext2fs_remove(void *v) 390 { 391 struct vop_remove_args *ap = v; 392 struct inode *ip; 393 struct vnode *vp = ap->a_vp; 394 struct vnode *dvp = ap->a_dvp; 395 int error; 396 397 ip = VTOI(vp); 398 if (vp->v_type == VDIR || 399 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 400 (VTOI(dvp)->i_e2fs_flags & EXT2_APPEND)) { 401 error = EPERM; 402 goto out; 403 } 404 error = ext2fs_dirremove(dvp, ap->a_cnp); 405 if (error == 0) { 406 ip->i_e2fs_nlink--; 407 ip->i_flag |= IN_CHANGE; 408 } 409 out: 410 if (dvp == vp) 411 vrele(vp); 412 else 413 vput(vp); 414 vput(dvp); 415 return (error); 416 } 417 418 /* 419 * link vnode call 420 */ 421 int 422 ext2fs_link(void *v) 423 { 424 struct vop_link_args *ap = v; 425 struct vnode *dvp = ap->a_dvp; 426 struct vnode *vp = ap->a_vp; 427 struct componentname *cnp = ap->a_cnp; 428 struct proc *p = cnp->cn_proc; 429 struct inode *ip; 430 int error; 431 432 #ifdef DIAGNOSTIC 433 if ((cnp->cn_flags & HASBUF) == 0) 434 panic("ext2fs_link: no name"); 435 #endif 436 if (vp->v_type == VDIR) { 437 VOP_ABORTOP(dvp, cnp); 438 error = EISDIR; 439 goto out2; 440 } 441 if (dvp->v_mount != vp->v_mount) { 442 VOP_ABORTOP(dvp, cnp); 443 error = EXDEV; 444 goto out2; 445 } 446 if (dvp != vp && (error = vn_lock(vp, LK_EXCLUSIVE, p))) { 447 VOP_ABORTOP(dvp, cnp); 448 goto out2; 449 } 450 ip = VTOI(vp); 451 if ((nlink_t)ip->i_e2fs_nlink >= LINK_MAX) { 452 VOP_ABORTOP(dvp, cnp); 453 error = EMLINK; 454 goto out1; 455 } 456 if (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) { 457 VOP_ABORTOP(dvp, cnp); 458 error = EPERM; 459 goto out1; 460 } 461 ip->i_e2fs_nlink++; 462 ip->i_flag |= IN_CHANGE; 463 error = ext2fs_update(ip, NULL, NULL, 1); 464 if (!error) 465 error = ext2fs_direnter(ip, dvp, cnp); 466 if (error) { 467 ip->i_e2fs_nlink--; 468 ip->i_flag |= IN_CHANGE; 469 } 470 pool_put(&namei_pool, cnp->cn_pnbuf); 471 out1: 472 if (dvp != vp) 473 VOP_UNLOCK(vp, 0, p); 474 out2: 475 vput(dvp); 476 return (error); 477 } 478 479 /* 480 * Rename system call. 481 * rename("foo", "bar"); 482 * is essentially 483 * unlink("bar"); 484 * link("foo", "bar"); 485 * unlink("foo"); 486 * but ``atomically''. Can't do full commit without saving state in the 487 * inode on disk which isn't feasible at this time. Best we can do is 488 * always guarantee the target exists. 489 * 490 * Basic algorithm is: 491 * 492 * 1) Bump link count on source while we're linking it to the 493 * target. This also ensure the inode won't be deleted out 494 * from underneath us while we work (it may be truncated by 495 * a concurrent `trunc' or `open' for creation). 496 * 2) Link source to destination. If destination already exists, 497 * delete it first. 498 * 3) Unlink source reference to inode if still around. If a 499 * directory was moved and the parent of the destination 500 * is different from the source, patch the ".." entry in the 501 * directory. 502 */ 503 int 504 ext2fs_rename(void *v) 505 { 506 struct vop_rename_args *ap = v; 507 struct vnode *tvp = ap->a_tvp; 508 struct vnode *tdvp = ap->a_tdvp; 509 struct vnode *fvp = ap->a_fvp; 510 struct vnode *fdvp = ap->a_fdvp; 511 struct componentname *tcnp = ap->a_tcnp; 512 struct componentname *fcnp = ap->a_fcnp; 513 struct inode *ip, *xp, *dp; 514 struct proc *p = fcnp->cn_proc; 515 struct ext2fs_dirtemplate dirbuf; 516 /* struct timespec ts; */ 517 int doingdirectory = 0, oldparent = 0, newparent = 0; 518 int error = 0; 519 u_char namlen; 520 521 #ifdef DIAGNOSTIC 522 if ((tcnp->cn_flags & HASBUF) == 0 || 523 (fcnp->cn_flags & HASBUF) == 0) 524 panic("ext2fs_rename: no name"); 525 #endif 526 /* 527 * Check for cross-device rename. 528 */ 529 if ((fvp->v_mount != tdvp->v_mount) || 530 (tvp && (fvp->v_mount != tvp->v_mount))) { 531 error = EXDEV; 532 abortit: 533 VOP_ABORTOP(tdvp, tcnp); /* XXX, why not in NFS? */ 534 if (tdvp == tvp) 535 vrele(tdvp); 536 else 537 vput(tdvp); 538 if (tvp) 539 vput(tvp); 540 VOP_ABORTOP(fdvp, fcnp); /* XXX, why not in NFS? */ 541 vrele(fdvp); 542 vrele(fvp); 543 return (error); 544 } 545 546 /* 547 * Check if just deleting a link name. 548 */ 549 if (tvp && ((VTOI(tvp)->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 550 (VTOI(tdvp)->i_e2fs_flags & EXT2_APPEND))) { 551 error = EPERM; 552 goto abortit; 553 } 554 if (fvp == tvp) { 555 if (fvp->v_type == VDIR) { 556 error = EINVAL; 557 goto abortit; 558 } 559 560 /* Release destination completely. */ 561 VOP_ABORTOP(tdvp, tcnp); 562 vput(tdvp); 563 vput(tvp); 564 565 /* Delete source. */ 566 vrele(fdvp); 567 vrele(fvp); 568 fcnp->cn_flags &= ~MODMASK; 569 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF; 570 if ((fcnp->cn_flags & SAVESTART) == 0) 571 panic("ext2fs_rename: lost from startdir"); 572 fcnp->cn_nameiop = DELETE; 573 (void) vfs_relookup(fdvp, &fvp, fcnp); 574 return (VOP_REMOVE(fdvp, fvp, fcnp)); 575 } 576 if ((error = vn_lock(fvp, LK_EXCLUSIVE, p)) != 0) 577 goto abortit; 578 dp = VTOI(fdvp); 579 ip = VTOI(fvp); 580 if ((nlink_t)ip->i_e2fs_nlink >= LINK_MAX) { 581 VOP_UNLOCK(fvp, 0, p); 582 error = EMLINK; 583 goto abortit; 584 } 585 if ((ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND)) || 586 (dp->i_e2fs_flags & EXT2_APPEND)) { 587 VOP_UNLOCK(fvp, 0, p); 588 error = EPERM; 589 goto abortit; 590 } 591 if ((ip->i_e2fs_mode & IFMT) == IFDIR) { 592 error = VOP_ACCESS(fvp, VWRITE, tcnp->cn_cred, tcnp->cn_proc); 593 if (!error && tvp) 594 error = VOP_ACCESS(tvp, VWRITE, tcnp->cn_cred, 595 tcnp->cn_proc); 596 if (error) { 597 VOP_UNLOCK(fvp, 0, p); 598 error = EACCES; 599 goto abortit; 600 } 601 /* 602 * Avoid ".", "..", and aliases of "." for obvious reasons. 603 */ 604 if ((fcnp->cn_namelen == 1 && fcnp->cn_nameptr[0] == '.') || 605 dp == ip || 606 (fcnp->cn_flags&ISDOTDOT) || 607 (tcnp->cn_flags & ISDOTDOT) || 608 (ip->i_flag & IN_RENAME)) { 609 VOP_UNLOCK(fvp, 0, p); 610 error = EINVAL; 611 goto abortit; 612 } 613 ip->i_flag |= IN_RENAME; 614 oldparent = dp->i_number; 615 doingdirectory++; 616 } 617 vrele(fdvp); 618 619 /* 620 * When the target exists, both the directory 621 * and target vnodes are returned locked. 622 */ 623 dp = VTOI(tdvp); 624 xp = NULL; 625 if (tvp) 626 xp = VTOI(tvp); 627 628 /* 629 * 1) Bump link count while we're moving stuff 630 * around. If we crash somewhere before 631 * completing our work, the link count 632 * may be wrong, but correctable. 633 */ 634 ip->i_e2fs_nlink++; 635 ip->i_flag |= IN_CHANGE; 636 if ((error = ext2fs_update(ip, NULL, NULL, 1)) != 0) { 637 VOP_UNLOCK(fvp, 0, p); 638 goto bad; 639 } 640 641 /* 642 * If ".." must be changed (ie the directory gets a new 643 * parent) then the source directory must not be in the 644 * directory hierarchy above the target, as this would 645 * orphan everything below the source directory. Also 646 * the user must have write permission in the source so 647 * as to be able to change "..". We must repeat the call 648 * to namei, as the parent directory is unlocked by the 649 * call to checkpath(). 650 */ 651 error = VOP_ACCESS(fvp, VWRITE, tcnp->cn_cred, tcnp->cn_proc); 652 VOP_UNLOCK(fvp, 0, p); 653 if (oldparent != dp->i_number) 654 newparent = dp->i_number; 655 if (doingdirectory && newparent) { 656 if (error) /* write access check above */ 657 goto bad; 658 if (xp != NULL) 659 vput(tvp); 660 error = ext2fs_checkpath(ip, dp, tcnp->cn_cred); 661 if (error != 0) 662 goto out; 663 if ((tcnp->cn_flags & SAVESTART) == 0) 664 panic("ext2fs_rename: lost to startdir"); 665 if ((error = vfs_relookup(tdvp, &tvp, tcnp)) != 0) 666 goto out; 667 dp = VTOI(tdvp); 668 xp = NULL; 669 if (tvp) 670 xp = VTOI(tvp); 671 } 672 /* 673 * 2) If target doesn't exist, link the target 674 * to the source and unlink the source. 675 * Otherwise, rewrite the target directory 676 * entry to reference the source inode and 677 * expunge the original entry's existence. 678 */ 679 if (xp == NULL) { 680 if (dp->i_dev != ip->i_dev) 681 panic("rename: EXDEV"); 682 /* 683 * Account for ".." in new directory. 684 * When source and destination have the same 685 * parent we don't fool with the link count. 686 */ 687 if (doingdirectory && newparent) { 688 if ((nlink_t)dp->i_e2fs_nlink >= LINK_MAX) { 689 error = EMLINK; 690 goto bad; 691 } 692 dp->i_e2fs_nlink++; 693 dp->i_flag |= IN_CHANGE; 694 if ((error = ext2fs_update(dp, NULL, NULL, 1)) != 0) 695 goto bad; 696 } 697 error = ext2fs_direnter(ip, tdvp, tcnp); 698 if (error != 0) { 699 if (doingdirectory && newparent) { 700 dp->i_e2fs_nlink--; 701 dp->i_flag |= IN_CHANGE; 702 (void)ext2fs_update(dp, NULL, NULL, 1); 703 } 704 goto bad; 705 } 706 vput(tdvp); 707 } else { 708 if (xp->i_dev != dp->i_dev || xp->i_dev != ip->i_dev) 709 panic("rename: EXDEV"); 710 /* 711 * Short circuit rename(foo, foo). 712 */ 713 if (xp->i_number == ip->i_number) 714 panic("rename: same file"); 715 /* 716 * If the parent directory is "sticky", then the user must 717 * own the parent directory, or the destination of the rename, 718 * otherwise the destination may not be changed (except by 719 * root). This implements append-only directories. 720 */ 721 if ((dp->i_e2fs_mode & S_ISTXT) && tcnp->cn_cred->cr_uid != 0 && 722 tcnp->cn_cred->cr_uid != dp->i_e2fs_uid && 723 xp->i_e2fs_uid != tcnp->cn_cred->cr_uid) { 724 error = EPERM; 725 goto bad; 726 } 727 /* 728 * Target must be empty if a directory and have no links 729 * to it. Also, ensure source and target are compatible 730 * (both directories, or both not directories). 731 */ 732 if ((xp->i_e2fs_mode & IFMT) == IFDIR) { 733 if (!ext2fs_dirempty(xp, dp->i_number, tcnp->cn_cred) || 734 xp->i_e2fs_nlink > 2) { 735 error = ENOTEMPTY; 736 goto bad; 737 } 738 if (!doingdirectory) { 739 error = ENOTDIR; 740 goto bad; 741 } 742 cache_purge(tdvp); 743 } else if (doingdirectory) { 744 error = EISDIR; 745 goto bad; 746 } 747 error = ext2fs_dirrewrite(dp, ip, tcnp); 748 if (error != 0) 749 goto bad; 750 /* 751 * If the target directory is in the same 752 * directory as the source directory, 753 * decrement the link count on the parent 754 * of the target directory. 755 */ 756 if (doingdirectory && !newparent) { 757 dp->i_e2fs_nlink--; 758 dp->i_flag |= IN_CHANGE; 759 } 760 vput(tdvp); 761 /* 762 * Adjust the link count of the target to 763 * reflect the dirrewrite above. If this is 764 * a directory it is empty and there are 765 * no links to it, so we can squash the inode and 766 * any space associated with it. We disallowed 767 * renaming over top of a directory with links to 768 * it above, as the remaining link would point to 769 * a directory without "." or ".." entries. 770 */ 771 xp->i_e2fs_nlink--; 772 if (doingdirectory) { 773 if (--xp->i_e2fs_nlink != 0) 774 panic("rename: linked directory"); 775 error = ext2fs_truncate(xp, (off_t)0, IO_SYNC, 776 tcnp->cn_cred); 777 } 778 xp->i_flag |= IN_CHANGE; 779 vput(tvp); 780 xp = NULL; 781 } 782 783 /* 784 * 3) Unlink the source. 785 */ 786 fcnp->cn_flags &= ~MODMASK; 787 fcnp->cn_flags |= LOCKPARENT | LOCKLEAF; 788 if ((fcnp->cn_flags & SAVESTART) == 0) 789 panic("ext2fs_rename: lost from startdir"); 790 (void) vfs_relookup(fdvp, &fvp, fcnp); 791 if (fvp != NULL) { 792 xp = VTOI(fvp); 793 dp = VTOI(fdvp); 794 } else { 795 /* 796 * From name has disappeared. 797 */ 798 if (doingdirectory) 799 panic("ext2fs_rename: lost dir entry"); 800 vrele(ap->a_fvp); 801 return (0); 802 } 803 /* 804 * Ensure that the directory entry still exists and has not 805 * changed while the new name has been entered. If the source is 806 * a file then the entry may have been unlinked or renamed. In 807 * either case there is no further work to be done. If the source 808 * is a directory then it cannot have been rmdir'ed; its link 809 * count of three would cause a rmdir to fail with ENOTEMPTY. 810 * The IRENAME flag ensures that it cannot be moved by another 811 * rename. 812 */ 813 if (xp != ip) { 814 if (doingdirectory) 815 panic("ext2fs_rename: lost dir entry"); 816 } else { 817 /* 818 * If the source is a directory with a 819 * new parent, the link count of the old 820 * parent directory must be decremented 821 * and ".." set to point to the new parent. 822 */ 823 if (doingdirectory && newparent) { 824 dp->i_e2fs_nlink--; 825 dp->i_flag |= IN_CHANGE; 826 error = vn_rdwr(UIO_READ, fvp, (caddr_t)&dirbuf, 827 sizeof (struct ext2fs_dirtemplate), (off_t)0, 828 UIO_SYSSPACE, IO_NODELOCKED, 829 tcnp->cn_cred, NULL, curproc); 830 if (error == 0) { 831 namlen = dirbuf.dotdot_namlen; 832 if (namlen != 2 || 833 dirbuf.dotdot_name[0] != '.' || 834 dirbuf.dotdot_name[1] != '.') { 835 ufs_dirbad(xp, (doff_t)12, 836 "ext2fs_rename: mangled dir"); 837 } else { 838 dirbuf.dotdot_ino = h2fs32(newparent); 839 (void) vn_rdwr(UIO_WRITE, fvp, 840 (caddr_t)&dirbuf, 841 sizeof (struct dirtemplate), 842 (off_t)0, UIO_SYSSPACE, 843 IO_NODELOCKED|IO_SYNC, 844 tcnp->cn_cred, NULL, curproc); 845 cache_purge(fdvp); 846 } 847 } 848 } 849 error = ext2fs_dirremove(fdvp, fcnp); 850 if (!error) { 851 xp->i_e2fs_nlink--; 852 xp->i_flag |= IN_CHANGE; 853 } 854 xp->i_flag &= ~IN_RENAME; 855 } 856 if (dp) 857 vput(fdvp); 858 if (xp) 859 vput(fvp); 860 vrele(ap->a_fvp); 861 return (error); 862 863 bad: 864 if (xp) 865 vput(ITOV(xp)); 866 vput(ITOV(dp)); 867 out: 868 if (doingdirectory) 869 ip->i_flag &= ~IN_RENAME; 870 if (vn_lock(fvp, LK_EXCLUSIVE, p) == 0) { 871 ip->i_e2fs_nlink--; 872 ip->i_flag |= IN_CHANGE; 873 vput(fvp); 874 } else 875 vrele(fvp); 876 return (error); 877 } 878 879 /* 880 * Mkdir system call 881 */ 882 int 883 ext2fs_mkdir(void *v) 884 { 885 struct vop_mkdir_args *ap = v; 886 struct vnode *dvp = ap->a_dvp; 887 struct vattr *vap = ap->a_vap; 888 struct componentname *cnp = ap->a_cnp; 889 struct inode *ip, *dp; 890 struct vnode *tvp; 891 struct ext2fs_dirtemplate dirtemplate; 892 mode_t dmode; 893 int error; 894 895 #ifdef DIAGNOSTIC 896 if ((cnp->cn_flags & HASBUF) == 0) 897 panic("ext2fs_mkdir: no name"); 898 #endif 899 dp = VTOI(dvp); 900 if ((nlink_t)dp->i_e2fs_nlink >= LINK_MAX) { 901 error = EMLINK; 902 goto out; 903 } 904 dmode = vap->va_mode & ACCESSPERMS; 905 dmode |= IFDIR; 906 /* 907 * Must simulate part of ext2fs_makeinode here to acquire the inode, 908 * but not have it entered in the parent directory. The entry is 909 * made later after writing "." and ".." entries. 910 */ 911 if ((error = ext2fs_inode_alloc(dp, dmode, cnp->cn_cred, &tvp)) != 0) 912 goto out; 913 ip = VTOI(tvp); 914 ip->i_e2fs_uid = cnp->cn_cred->cr_uid; 915 ip->i_e2fs_gid = dp->i_e2fs_gid; 916 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 917 ip->i_e2fs_mode = dmode; 918 tvp->v_type = VDIR; /* Rest init'd in getnewvnode(). */ 919 ip->i_e2fs_nlink = 2; 920 error = ext2fs_update(ip, NULL, NULL, 1); 921 922 /* 923 * Bump link count in parent directory 924 * to reflect work done below. Should 925 * be done before reference is created 926 * so reparation is possible if we crash. 927 */ 928 dp->i_e2fs_nlink++; 929 dp->i_flag |= IN_CHANGE; 930 if ((error = ext2fs_update(dp, NULL, NULL, 1)) != 0) 931 goto bad; 932 933 /* Initialize directory with "." and ".." from static template. */ 934 bzero(&dirtemplate, sizeof(dirtemplate)); 935 dirtemplate.dot_ino = h2fs32(ip->i_number); 936 dirtemplate.dot_reclen = h2fs16(12); 937 dirtemplate.dot_namlen = 1; 938 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 939 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 940 dirtemplate.dot_type = EXT2_FT_DIR; 941 } 942 dirtemplate.dot_name[0] = '.'; 943 dirtemplate.dotdot_ino = h2fs32(dp->i_number); 944 dirtemplate.dotdot_reclen = h2fs16(VTOI(dvp)->i_e2fs->e2fs_bsize - 12); 945 dirtemplate.dotdot_namlen = 2; 946 if (ip->i_e2fs->e2fs.e2fs_rev > E2FS_REV0 && 947 (ip->i_e2fs->e2fs.e2fs_features_incompat & EXT2F_INCOMPAT_FTYPE)) { 948 dirtemplate.dotdot_type = EXT2_FT_DIR; 949 } 950 dirtemplate.dotdot_name[0] = dirtemplate.dotdot_name[1] = '.'; 951 error = vn_rdwr(UIO_WRITE, tvp, (caddr_t)&dirtemplate, 952 sizeof (dirtemplate), (off_t)0, UIO_SYSSPACE, 953 IO_NODELOCKED|IO_SYNC, cnp->cn_cred, NULL, curproc); 954 if (error) { 955 dp->i_e2fs_nlink--; 956 dp->i_flag |= IN_CHANGE; 957 goto bad; 958 } 959 if (VTOI(dvp)->i_e2fs->e2fs_bsize > 960 VFSTOUFS(dvp->v_mount)->um_mountp->mnt_stat.f_bsize) 961 panic("ext2fs_mkdir: blksize"); /* XXX should grow with balloc() */ 962 else { 963 error = ext2fs_setsize(ip, VTOI(dvp)->i_e2fs->e2fs_bsize); 964 if (error) { 965 dp->i_e2fs_nlink--; 966 dp->i_flag |= IN_CHANGE; 967 goto bad; 968 } 969 ip->i_flag |= IN_CHANGE; 970 } 971 972 /* Directory set up, now install its entry in the parent directory. */ 973 error = ext2fs_direnter(ip, dvp, cnp); 974 if (error != 0) { 975 dp->i_e2fs_nlink--; 976 dp->i_flag |= IN_CHANGE; 977 } 978 bad: 979 /* 980 * No need to do an explicit VOP_TRUNCATE here, vrele will do this 981 * for us because we set the link count to 0. 982 */ 983 if (error) { 984 ip->i_e2fs_nlink = 0; 985 ip->i_flag |= IN_CHANGE; 986 vput(tvp); 987 } else 988 *ap->a_vpp = tvp; 989 out: 990 pool_put(&namei_pool, cnp->cn_pnbuf); 991 vput(dvp); 992 return (error); 993 } 994 995 /* 996 * Rmdir system call. 997 */ 998 int 999 ext2fs_rmdir(void *v) 1000 { 1001 struct vop_rmdir_args *ap = v; 1002 struct vnode *vp = ap->a_vp; 1003 struct vnode *dvp = ap->a_dvp; 1004 struct componentname *cnp = ap->a_cnp; 1005 struct inode *ip, *dp; 1006 int error; 1007 1008 ip = VTOI(vp); 1009 dp = VTOI(dvp); 1010 /* 1011 * No rmdir "." please. 1012 */ 1013 if (dp == ip) { 1014 vrele(dvp); 1015 vput(vp); 1016 return (EINVAL); 1017 } 1018 /* 1019 * Verify the directory is empty (and valid). 1020 * (Rmdir ".." won't be valid since 1021 * ".." will contain a reference to 1022 * the current directory and thus be 1023 * non-empty.) 1024 */ 1025 error = 0; 1026 if (ip->i_e2fs_nlink != 2 || 1027 !ext2fs_dirempty(ip, dp->i_number, cnp->cn_cred)) { 1028 error = ENOTEMPTY; 1029 goto out; 1030 } 1031 if ((dp->i_e2fs_flags & EXT2_APPEND) || 1032 (ip->i_e2fs_flags & (EXT2_IMMUTABLE | EXT2_APPEND))) { 1033 error = EPERM; 1034 goto out; 1035 } 1036 /* 1037 * Delete reference to directory before purging 1038 * inode. If we crash in between, the directory 1039 * will be reattached to lost+found, 1040 */ 1041 error = ext2fs_dirremove(dvp, cnp); 1042 if (error != 0) 1043 goto out; 1044 dp->i_e2fs_nlink--; 1045 dp->i_flag |= IN_CHANGE; 1046 cache_purge(dvp); 1047 vput(dvp); 1048 dvp = NULL; 1049 /* 1050 * Truncate inode. The only stuff left 1051 * in the directory is "." and "..". The 1052 * "." reference is inconsequential since 1053 * we're quashing it. The ".." reference 1054 * has already been adjusted above. We've 1055 * removed the "." reference and the reference 1056 * in the parent directory, but there may be 1057 * other hard links so decrement by 2 and 1058 * worry about them later. 1059 */ 1060 ip->i_e2fs_nlink -= 2; 1061 error = ext2fs_truncate(ip, (off_t)0, IO_SYNC, cnp->cn_cred); 1062 cache_purge(ITOV(ip)); 1063 out: 1064 if (dvp) 1065 vput(dvp); 1066 vput(vp); 1067 return (error); 1068 } 1069 1070 /* 1071 * symlink -- make a symbolic link 1072 */ 1073 int 1074 ext2fs_symlink(void *v) 1075 { 1076 struct vop_symlink_args *ap = v; 1077 struct vnode *vp, **vpp = ap->a_vpp; 1078 struct inode *ip; 1079 int len, error; 1080 1081 error = ext2fs_makeinode(IFLNK | ap->a_vap->va_mode, ap->a_dvp, 1082 vpp, ap->a_cnp); 1083 if (error) 1084 return (error); 1085 vp = *vpp; 1086 len = strlen(ap->a_target); 1087 if (len < vp->v_mount->mnt_maxsymlinklen) { 1088 ip = VTOI(vp); 1089 bcopy(ap->a_target, (char *)ip->i_e2din->e2di_shortlink, len); 1090 error = ext2fs_setsize(ip, len); 1091 if (error) 1092 goto bad; 1093 ip->i_flag |= IN_CHANGE | IN_UPDATE; 1094 } else 1095 error = vn_rdwr(UIO_WRITE, vp, ap->a_target, len, (off_t)0, 1096 UIO_SYSSPACE, IO_NODELOCKED, ap->a_cnp->cn_cred, NULL, 1097 curproc); 1098 bad: 1099 vput(vp); 1100 return (error); 1101 } 1102 1103 /* 1104 * Return target name of a symbolic link 1105 */ 1106 int 1107 ext2fs_readlink(void *v) 1108 { 1109 struct vop_readlink_args *ap = v; 1110 struct vnode *vp = ap->a_vp; 1111 struct inode *ip = VTOI(vp); 1112 int isize; 1113 1114 isize = ext2fs_size(ip); 1115 if (isize < vp->v_mount->mnt_maxsymlinklen || 1116 (vp->v_mount->mnt_maxsymlinklen == 0 && ip->i_e2fs_nblock == 0)) { 1117 return (uiomove((char *)ip->i_e2din->e2di_shortlink, isize, 1118 ap->a_uio)); 1119 } 1120 return (VOP_READ(vp, ap->a_uio, 0, ap->a_cred)); 1121 } 1122 1123 /* 1124 * Advisory record locking support 1125 */ 1126 int 1127 ext2fs_advlock(void *v) 1128 { 1129 struct vop_advlock_args *ap = v; 1130 struct inode *ip = VTOI(ap->a_vp); 1131 1132 return (lf_advlock(&ip->i_lockf, ext2fs_size(ip), ap->a_id, ap->a_op, 1133 ap->a_fl, ap->a_flags)); 1134 } 1135 1136 /* 1137 * Allocate a new inode. 1138 */ 1139 int 1140 ext2fs_makeinode(int mode, struct vnode *dvp, struct vnode **vpp, 1141 struct componentname *cnp) 1142 { 1143 struct inode *ip, *pdir; 1144 struct vnode *tvp; 1145 int error; 1146 1147 pdir = VTOI(dvp); 1148 #ifdef DIAGNOSTIC 1149 if ((cnp->cn_flags & HASBUF) == 0) 1150 panic("ext2fs_makeinode: no name"); 1151 #endif 1152 *vpp = NULL; 1153 if ((mode & IFMT) == 0) 1154 mode |= IFREG; 1155 1156 if ((error = ext2fs_inode_alloc(pdir, mode, cnp->cn_cred, &tvp)) 1157 != 0) { 1158 pool_put(&namei_pool, cnp->cn_pnbuf); 1159 vput(dvp); 1160 return (error); 1161 } 1162 ip = VTOI(tvp); 1163 ip->i_e2fs_gid = pdir->i_e2fs_gid; 1164 ip->i_e2fs_uid = cnp->cn_cred->cr_uid; 1165 ip->i_flag |= IN_ACCESS | IN_CHANGE | IN_UPDATE; 1166 ip->i_e2fs_mode = mode; 1167 tvp->v_type = IFTOVT(mode); /* Rest init'd in getnewvnode(). */ 1168 ip->i_e2fs_nlink = 1; 1169 if ((ip->i_e2fs_mode & ISGID) && 1170 !groupmember(ip->i_e2fs_gid, cnp->cn_cred) && 1171 suser_ucred(cnp->cn_cred)) 1172 ip->i_e2fs_mode &= ~ISGID; 1173 1174 /* 1175 * Make sure inode goes to disk before directory entry. 1176 */ 1177 if ((error = ext2fs_update(ip, NULL, NULL, 1)) != 0) 1178 goto bad; 1179 error = ext2fs_direnter(ip, dvp, cnp); 1180 if (error != 0) 1181 goto bad; 1182 if ((cnp->cn_flags & SAVESTART) == 0) 1183 pool_put(&namei_pool, cnp->cn_pnbuf); 1184 vput(dvp); 1185 *vpp = tvp; 1186 return (0); 1187 1188 bad: 1189 /* 1190 * Write error occurred trying to update the inode 1191 * or the directory so must deallocate the inode. 1192 */ 1193 pool_put(&namei_pool, cnp->cn_pnbuf); 1194 vput(dvp); 1195 ip->i_e2fs_nlink = 0; 1196 ip->i_flag |= IN_CHANGE; 1197 tvp->v_type = VNON; 1198 vput(tvp); 1199 return (error); 1200 } 1201 1202 /* 1203 * Synch an open file. 1204 */ 1205 /* ARGSUSED */ 1206 int 1207 ext2fs_fsync(void *v) 1208 { 1209 struct vop_fsync_args *ap = v; 1210 struct vnode *vp = ap->a_vp; 1211 1212 vflushbuf(vp, ap->a_waitfor == MNT_WAIT); 1213 return (ext2fs_update(VTOI(ap->a_vp), NULL, NULL, 1214 ap->a_waitfor == MNT_WAIT)); 1215 } 1216 1217 /* 1218 * Reclaim an inode so that it can be used for other purposes. 1219 */ 1220 int 1221 ext2fs_reclaim(void *v) 1222 { 1223 struct vop_reclaim_args *ap = v; 1224 struct vnode *vp = ap->a_vp; 1225 struct inode *ip; 1226 #ifdef DIAGNOSTIC 1227 extern int prtactive; 1228 1229 if (prtactive && vp->v_usecount != 0) 1230 vprint("ext2fs_reclaim: pushing active", vp); 1231 #endif 1232 1233 /* 1234 * Remove the inode from its hash chain. 1235 */ 1236 ip = VTOI(vp); 1237 ufs_ihashrem(ip); 1238 1239 /* 1240 * Purge old data structures associated with the inode. 1241 */ 1242 cache_purge(vp); 1243 if (ip->i_devvp) 1244 vrele(ip->i_devvp); 1245 1246 if (ip->i_e2din != NULL) 1247 pool_put(&ext2fs_dinode_pool, ip->i_e2din); 1248 1249 pool_put(&ext2fs_inode_pool, ip); 1250 1251 vp->v_data = NULL; 1252 1253 return (0); 1254 } 1255 1256 /* Global vfs data structures for ext2fs. */ 1257 struct vops ext2fs_vops = { 1258 .vop_lookup = ext2fs_lookup, 1259 .vop_create = ext2fs_create, 1260 .vop_mknod = ext2fs_mknod, 1261 .vop_open = ext2fs_open, 1262 .vop_close = ufs_close, 1263 .vop_access = ext2fs_access, 1264 .vop_getattr = ext2fs_getattr, 1265 .vop_setattr = ext2fs_setattr, 1266 .vop_read = ext2fs_read, 1267 .vop_write = ext2fs_write, 1268 .vop_ioctl = ufs_ioctl, 1269 .vop_poll = ufs_poll, 1270 .vop_kqfilter = vop_generic_kqfilter, 1271 .vop_fsync = ext2fs_fsync, 1272 .vop_remove = ext2fs_remove, 1273 .vop_link = ext2fs_link, 1274 .vop_rename = ext2fs_rename, 1275 .vop_mkdir = ext2fs_mkdir, 1276 .vop_rmdir = ext2fs_rmdir, 1277 .vop_symlink = ext2fs_symlink, 1278 .vop_readdir = ext2fs_readdir, 1279 .vop_readlink = ext2fs_readlink, 1280 .vop_abortop = vop_generic_abortop, 1281 .vop_inactive = ext2fs_inactive, 1282 .vop_reclaim = ext2fs_reclaim, 1283 .vop_lock = ufs_lock, 1284 .vop_unlock = ufs_unlock, 1285 .vop_bmap = ext2fs_bmap, 1286 .vop_strategy = ufs_strategy, 1287 .vop_print = ufs_print, 1288 .vop_islocked = ufs_islocked, 1289 .vop_pathconf = ufs_pathconf, 1290 .vop_advlock = ext2fs_advlock, 1291 .vop_bwrite = vop_generic_bwrite 1292 }; 1293 1294 struct vops ext2fs_specvops = { 1295 .vop_close = ufsspec_close, 1296 .vop_access = ext2fs_access, 1297 .vop_getattr = ext2fs_getattr, 1298 .vop_setattr = ext2fs_setattr, 1299 .vop_read = ufsspec_read, 1300 .vop_write = ufsspec_write, 1301 .vop_fsync = ext2fs_fsync, 1302 .vop_inactive = ext2fs_inactive, 1303 .vop_reclaim = ext2fs_reclaim, 1304 .vop_lock = ufs_lock, 1305 .vop_unlock = ufs_unlock, 1306 .vop_print = ufs_print, 1307 .vop_islocked = ufs_islocked, 1308 1309 /* XXX: Keep in sync with spec_vops. */ 1310 .vop_lookup = vop_generic_lookup, 1311 .vop_create = spec_badop, 1312 .vop_mknod = spec_badop, 1313 .vop_open = spec_open, 1314 .vop_ioctl = spec_ioctl, 1315 .vop_poll = spec_poll, 1316 .vop_kqfilter = spec_kqfilter, 1317 .vop_revoke = vop_generic_revoke, 1318 .vop_remove = spec_badop, 1319 .vop_link = spec_badop, 1320 .vop_rename = spec_badop, 1321 .vop_mkdir = spec_badop, 1322 .vop_rmdir = spec_badop, 1323 .vop_symlink = spec_badop, 1324 .vop_readdir = spec_badop, 1325 .vop_readlink = spec_badop, 1326 .vop_abortop = spec_badop, 1327 .vop_bmap = vop_generic_bmap, 1328 .vop_strategy = spec_strategy, 1329 .vop_pathconf = spec_pathconf, 1330 .vop_advlock = spec_advlock, 1331 .vop_bwrite = vop_generic_bwrite, 1332 }; 1333 1334 #ifdef FIFO 1335 struct vops ext2fs_fifovops = { 1336 .vop_close = ufsfifo_close, 1337 .vop_access = ufsfifo_close, 1338 .vop_getattr = ext2fs_getattr, 1339 .vop_setattr = ext2fs_setattr, 1340 .vop_read = ufsfifo_read, 1341 .vop_write = ufsfifo_write, 1342 .vop_fsync = ext2fs_fsync, 1343 .vop_inactive = ext2fs_inactive, 1344 .vop_reclaim = ext2fsfifo_reclaim, 1345 .vop_lock = ufs_lock, 1346 .vop_unlock = ufs_unlock, 1347 .vop_print = ufs_print, 1348 .vop_islocked = ufs_islocked, 1349 .vop_bwrite = vop_generic_bwrite, 1350 1351 /* XXX: Keep in sync with fifo_vops */ 1352 .vop_lookup = vop_generic_lookup, 1353 .vop_create = fifo_badop, 1354 .vop_mknod = fifo_badop, 1355 .vop_open = fifo_open, 1356 .vop_ioctl = fifo_ioctl, 1357 .vop_poll = fifo_poll, 1358 .vop_kqfilter = fifo_kqfilter, 1359 .vop_revoke = vop_generic_revoke, 1360 .vop_remove = fifo_badop, 1361 .vop_link = fifo_badop, 1362 .vop_rename = fifo_badop, 1363 .vop_mkdir = fifo_badop, 1364 .vop_rmdir = fifo_badop, 1365 .vop_symlink = fifo_badop, 1366 .vop_readdir = fifo_badop, 1367 .vop_readlink = fifo_badop, 1368 .vop_abortop = fifo_badop, 1369 .vop_bmap = vop_generic_bmap, 1370 .vop_strategy = fifo_badop, 1371 .vop_pathconf = fifo_pathconf, 1372 .vop_advlock = fifo_advlock, 1373 }; 1374 1375 int 1376 ext2fsfifo_reclaim(void *v) 1377 { 1378 fifo_reclaim(v); 1379 return (ext2fs_reclaim(v)); 1380 } 1381 #endif /* FIFO */ 1382