1/*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2013 Juniper Networks, Inc. 5 * Copyright (c) 2022-2023 Klara, Inc. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include "opt_tarfs.h" 30 31#include <sys/param.h> 32#include <sys/systm.h> 33#include <sys/bio.h> 34#include <sys/buf.h> 35#include <sys/dirent.h> 36#include <sys/fcntl.h> 37#include <sys/limits.h> 38#include <sys/mount.h> 39#include <sys/namei.h> 40#include <sys/proc.h> 41#include <sys/vnode.h> 42 43#include <fs/tarfs/tarfs.h> 44#include <fs/tarfs/tarfs_dbg.h> 45 46static int 47tarfs_open(struct vop_open_args *ap) 48{ 49 struct tarfs_node *tnp; 50 struct vnode *vp; 51 52 vp = ap->a_vp; 53 MPASS(VOP_ISLOCKED(vp)); 54 tnp = VP_TO_TARFS_NODE(vp); 55 56 TARFS_DPF(VNODE, "%s(%p=%s, %o)\n", __func__, 57 tnp, tnp->name, ap->a_mode); 58 59 if (vp->v_type != VREG && vp->v_type != VDIR) 60 return (EOPNOTSUPP); 61 62 vnode_create_vobject(vp, tnp->size, ap->a_td); 63 return (0); 64} 65 66static int 67tarfs_close(struct vop_close_args *ap) 68{ 69#ifdef TARFS_DEBUG 70 struct tarfs_node *tnp; 71 struct vnode *vp; 72 73 vp = ap->a_vp; 74 75 MPASS(VOP_ISLOCKED(vp)); 76 tnp = VP_TO_TARFS_NODE(vp); 77 78 TARFS_DPF(VNODE, "%s(%p=%s)\n", __func__, 79 tnp, tnp->name); 80#else 81 (void)ap; 82#endif 83 return (0); 84} 85 86static int 87tarfs_access(struct vop_access_args *ap) 88{ 89 struct tarfs_node *tnp; 90 struct vnode *vp; 91 accmode_t accmode; 92 struct ucred *cred; 93 int error; 94 95 vp = ap->a_vp; 96 accmode = ap->a_accmode; 97 cred = ap->a_cred; 98 99 MPASS(VOP_ISLOCKED(vp)); 100 tnp = VP_TO_TARFS_NODE(vp); 101 102 TARFS_DPF(VNODE, "%s(%p=%s, %o)\n", __func__, 103 tnp, tnp->name, accmode); 104 105 switch (vp->v_type) { 106 case VDIR: 107 case VLNK: 108 case VREG: 109 if ((accmode & VWRITE) != 0) 110 return (EROFS); 111 break; 112 case VBLK: 113 case VCHR: 114 case VFIFO: 115 break; 116 default: 117 return (EINVAL); 118 } 119 120 if ((accmode & VWRITE) != 0) 121 return (EPERM); 122 123 error = vaccess(vp->v_type, tnp->mode, tnp->uid, 124 tnp->gid, accmode, cred); 125 return (error); 126} 127 128static int 129tarfs_bmap(struct vop_bmap_args *ap) 130{ 131 struct tarfs_node *tnp; 132 struct vnode *vp; 133 off_t off; 134 uint64_t iosize; 135 int ra, rb, rmax; 136 137 vp = ap->a_vp; 138 iosize = vp->v_mount->mnt_stat.f_iosize; 139 140 if (ap->a_bop != NULL) 141 *ap->a_bop = &vp->v_bufobj; 142 if (ap->a_bnp != NULL) 143 *ap->a_bnp = ap->a_bn * btodb(iosize); 144 if (ap->a_runp == NULL) 145 return (0); 146 147 tnp = VP_TO_TARFS_NODE(vp); 148 off = ap->a_bn * iosize; 149 150 ra = rb = 0; 151 for (u_int i = 0; i < tnp->nblk; i++) { 152 off_t bs, be; 153 154 bs = tnp->blk[i].o; 155 be = tnp->blk[i].o + tnp->blk[i].l; 156 if (off > be) 157 continue; 158 else if (off < bs) { 159 /* We're in a hole. */ 160 ra = bs - off < iosize ? 161 0 : howmany(bs - (off + iosize), iosize); 162 rb = howmany(off - (i == 0 ? 163 0 : tnp->blk[i - 1].o + tnp->blk[i - 1].l), 164 iosize); 165 break; 166 } else { 167 /* We'll be reading from the backing file. */ 168 ra = be - off < iosize ? 169 0 : howmany(be - (off + iosize), iosize); 170 rb = howmany(off - bs, iosize); 171 break; 172 } 173 } 174 175 rmax = vp->v_mount->mnt_iosize_max / iosize - 1; 176 *ap->a_runp = imin(ra, rmax); 177 if (ap->a_runb != NULL) 178 *ap->a_runb = imin(rb, rmax); 179 return (0); 180} 181 182static int 183tarfs_getattr(struct vop_getattr_args *ap) 184{ 185 struct tarfs_node *tnp; 186 struct vnode *vp; 187 struct vattr *vap; 188 189 vp = ap->a_vp; 190 vap = ap->a_vap; 191 tnp = VP_TO_TARFS_NODE(vp); 192 193 TARFS_DPF(VNODE, "%s(%p=%s)\n", __func__, 194 tnp, tnp->name); 195 196 vap->va_type = vp->v_type; 197 vap->va_mode = tnp->mode; 198 vap->va_nlink = tnp->nlink; 199 vap->va_gid = tnp->gid; 200 vap->va_uid = tnp->uid; 201 vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0]; 202 vap->va_fileid = tnp->ino; 203 vap->va_size = tnp->size; 204 vap->va_blocksize = vp->v_mount->mnt_stat.f_iosize; 205 vap->va_atime = tnp->atime; 206 vap->va_ctime = tnp->ctime; 207 vap->va_mtime = tnp->mtime; 208 vap->va_birthtime = tnp->birthtime; 209 vap->va_gen = tnp->gen; 210 vap->va_flags = tnp->flags; 211 vap->va_rdev = (vp->v_type == VBLK || vp->v_type == VCHR) ? 212 tnp->rdev : NODEV; 213 vap->va_bytes = round_page(tnp->physize); 214 vap->va_filerev = 0; 215 216 return (0); 217} 218 219static int 220tarfs_lookup(struct vop_cachedlookup_args *ap) 221{ 222 struct tarfs_mount *tmp; 223 struct tarfs_node *dirnode, *parent, *tnp; 224 struct componentname *cnp; 225 struct vnode *dvp, **vpp; 226#ifdef TARFS_DEBUG 227 struct vnode *vp; 228#endif 229 int error; 230 231 dvp = ap->a_dvp; 232 vpp = ap->a_vpp; 233 cnp = ap->a_cnp; 234 235 *vpp = NULLVP; 236 dirnode = VP_TO_TARFS_NODE(dvp); 237 parent = dirnode->parent; 238 tmp = dirnode->tmp; 239 tnp = NULL; 240 241 TARFS_DPF(LOOKUP, "%s(%p=%s, %.*s)\n", __func__, 242 dirnode, dirnode->name, 243 (int)cnp->cn_namelen, cnp->cn_nameptr); 244 245 error = VOP_ACCESS(dvp, VEXEC, cnp->cn_cred, curthread); 246 if (error != 0) 247 return (error); 248 249 if (cnp->cn_flags & ISDOTDOT) { 250 /* Do not allow .. on the root node */ 251 if (parent == NULL || parent == dirnode) 252 return (ENOENT); 253 254 /* Allocate a new vnode on the matching entry */ 255 error = vn_vget_ino(dvp, parent->ino, cnp->cn_lkflags, 256 vpp); 257 if (error != 0) 258 return (error); 259 } else if (cnp->cn_namelen == 1 && cnp->cn_nameptr[0] == '.') { 260 VREF(dvp); 261 *vpp = dvp; 262#ifdef TARFS_DEBUG 263 } else if (dirnode == dirnode->tmp->root && 264 (vp = dirnode->tmp->znode) != NULL && 265 cnp->cn_namelen == TARFS_ZIO_NAMELEN && 266 memcmp(cnp->cn_nameptr, TARFS_ZIO_NAME, TARFS_ZIO_NAMELEN) == 0) { 267 error = vn_lock(vp, cnp->cn_lkflags); 268 if (error != 0) 269 return (error); 270 vref(vp); 271 *vpp = vp; 272 return (0); 273#endif 274 } else { 275 tnp = tarfs_lookup_node(dirnode, NULL, cnp); 276 if (tnp == NULL) { 277 TARFS_DPF(LOOKUP, "%s(%p=%s, %.*s): file not found\n", __func__, 278 dirnode, dirnode->name, 279 (int)cnp->cn_namelen, cnp->cn_nameptr); 280 return (ENOENT); 281 } 282 283 if ((cnp->cn_flags & ISLASTCN) == 0 && 284 (tnp->type != VDIR && tnp->type != VLNK)) 285 return (ENOTDIR); 286 287 error = VFS_VGET(tmp->vfs, tnp->ino, cnp->cn_lkflags, vpp); 288 if (error != 0) 289 return (error); 290 } 291 292#ifdef TARFS_DEBUG 293 if (tnp == NULL) 294 tnp = VP_TO_TARFS_NODE(*vpp); 295 TARFS_DPF(LOOKUP, "%s: found vnode %p, tarfs_node %p\n", __func__, 296 *vpp, tnp); 297#endif /* TARFS_DEBUG */ 298 299 /* Store the result of the cache if MAKEENTRY is specified in flags */ 300 if ((cnp->cn_flags & MAKEENTRY) != 0 && cnp->cn_nameiop != CREATE) 301 cache_enter(dvp, *vpp, cnp); 302 303 return (error); 304} 305 306static int 307tarfs_readdir(struct vop_readdir_args *ap) 308{ 309 struct dirent cde = { }; 310 struct tarfs_node *current, *tnp; 311 struct vnode *vp; 312 struct uio *uio; 313 int *eofflag; 314 uint64_t **cookies; 315 int *ncookies; 316 off_t off; 317 u_int idx, ndirents; 318 int error; 319 320 vp = ap->a_vp; 321 uio = ap->a_uio; 322 eofflag = ap->a_eofflag; 323 cookies = ap->a_cookies; 324 ncookies = ap->a_ncookies; 325 326 if (vp->v_type != VDIR) 327 return (ENOTDIR); 328 329 tnp = VP_TO_TARFS_NODE(vp); 330 off = uio->uio_offset; 331 current = NULL; 332 ndirents = 0; 333 334 TARFS_DPF(VNODE, "%s(%p=%s, %zu, %zd)\n", __func__, 335 tnp, tnp->name, uio->uio_offset, uio->uio_resid); 336 337 if (uio->uio_offset == TARFS_COOKIE_EOF) { 338 TARFS_DPF(VNODE, "%s: EOF\n", __func__); 339 return (0); 340 } 341 342 if (uio->uio_offset == TARFS_COOKIE_DOT) { 343 TARFS_DPF(VNODE, "%s: Generating . entry\n", __func__); 344 /* fake . entry */ 345 cde.d_fileno = tnp->ino; 346 cde.d_type = DT_DIR; 347 cde.d_namlen = 1; 348 cde.d_name[0] = '.'; 349 cde.d_name[1] = '\0'; 350 cde.d_reclen = GENERIC_DIRSIZ(&cde); 351 if (cde.d_reclen > uio->uio_resid) 352 goto full; 353 dirent_terminate(&cde); 354 error = uiomove(&cde, cde.d_reclen, uio); 355 if (error) 356 return (error); 357 /* next is .. */ 358 uio->uio_offset = TARFS_COOKIE_DOTDOT; 359 ndirents++; 360 } 361 362 if (uio->uio_offset == TARFS_COOKIE_DOTDOT) { 363 TARFS_DPF(VNODE, "%s: Generating .. entry\n", __func__); 364 /* fake .. entry */ 365 MPASS(tnp->parent != NULL); 366 TARFS_NODE_LOCK(tnp->parent); 367 cde.d_fileno = tnp->parent->ino; 368 TARFS_NODE_UNLOCK(tnp->parent); 369 cde.d_type = DT_DIR; 370 cde.d_namlen = 2; 371 cde.d_name[0] = '.'; 372 cde.d_name[1] = '.'; 373 cde.d_name[2] = '\0'; 374 cde.d_reclen = GENERIC_DIRSIZ(&cde); 375 if (cde.d_reclen > uio->uio_resid) 376 goto full; 377 dirent_terminate(&cde); 378 error = uiomove(&cde, cde.d_reclen, uio); 379 if (error) 380 return (error); 381 /* next is first child */ 382 current = TAILQ_FIRST(&tnp->dir.dirhead); 383 if (current == NULL) 384 goto done; 385 uio->uio_offset = current->ino; 386 TARFS_DPF(VNODE, "%s: [%u] setting current node to %p=%s\n", 387 __func__, ndirents, current, current->name); 388 ndirents++; 389 } 390 391 /* resuming previous call */ 392 if (current == NULL) { 393 current = tarfs_lookup_dir(tnp, uio->uio_offset); 394 if (current == NULL) { 395 error = EINVAL; 396 goto done; 397 } 398 uio->uio_offset = current->ino; 399 TARFS_DPF(VNODE, "%s: [%u] setting current node to %p=%s\n", 400 __func__, ndirents, current, current->name); 401 } 402 403 for (;;) { 404 cde.d_fileno = current->ino; 405 switch (current->type) { 406 case VBLK: 407 cde.d_type = DT_BLK; 408 break; 409 case VCHR: 410 cde.d_type = DT_CHR; 411 break; 412 case VDIR: 413 cde.d_type = DT_DIR; 414 break; 415 case VFIFO: 416 cde.d_type = DT_FIFO; 417 break; 418 case VLNK: 419 cde.d_type = DT_LNK; 420 break; 421 case VREG: 422 cde.d_type = DT_REG; 423 break; 424 default: 425 panic("%s: tarfs_node %p, type %d\n", __func__, 426 current, current->type); 427 } 428 cde.d_namlen = current->namelen; 429 MPASS(tnp->namelen < sizeof(cde.d_name)); 430 (void)memcpy(cde.d_name, current->name, current->namelen); 431 cde.d_name[current->namelen] = '\0'; 432 cde.d_reclen = GENERIC_DIRSIZ(&cde); 433 if (cde.d_reclen > uio->uio_resid) 434 goto full; 435 dirent_terminate(&cde); 436 error = uiomove(&cde, cde.d_reclen, uio); 437 if (error != 0) 438 goto done; 439 ndirents++; 440 /* next sibling */ 441 current = TAILQ_NEXT(current, dirents); 442 if (current == NULL) 443 goto done; 444 uio->uio_offset = current->ino; 445 TARFS_DPF(VNODE, "%s: [%u] setting current node to %p=%s\n", 446 __func__, ndirents, current, current->name); 447 } 448full: 449 if (cde.d_reclen > uio->uio_resid) { 450 TARFS_DPF(VNODE, "%s: out of space, returning\n", 451 __func__); 452 error = (ndirents == 0) ? EINVAL : 0; 453 } 454done: 455 TARFS_DPF(VNODE, "%s: %u entries written\n", __func__, ndirents); 456 TARFS_DPF(VNODE, "%s: saving cache information\n", __func__); 457 if (current == NULL) { 458 uio->uio_offset = TARFS_COOKIE_EOF; 459 tnp->dir.lastcookie = 0; 460 tnp->dir.lastnode = NULL; 461 } else { 462 tnp->dir.lastcookie = current->ino; 463 tnp->dir.lastnode = current; 464 } 465 466 if (eofflag != NULL) { 467 TARFS_DPF(VNODE, "%s: Setting EOF flag\n", __func__); 468 *eofflag = (error == 0 && current == NULL); 469 } 470 471 /* Update for NFS */ 472 if (error == 0 && cookies != NULL && ncookies != NULL) { 473 TARFS_DPF(VNODE, "%s: Updating NFS cookies\n", __func__); 474 current = NULL; 475 *cookies = malloc(ndirents * sizeof(off_t), M_TEMP, M_WAITOK); 476 *ncookies = ndirents; 477 for (idx = 0; idx < ndirents; idx++) { 478 if (off == TARFS_COOKIE_DOT) 479 off = TARFS_COOKIE_DOTDOT; 480 else { 481 if (off == TARFS_COOKIE_DOTDOT) { 482 current = TAILQ_FIRST(&tnp->dir.dirhead); 483 } else if (current != NULL) { 484 current = TAILQ_NEXT(current, dirents); 485 } else { 486 current = tarfs_lookup_dir(tnp, off); 487 current = TAILQ_NEXT(current, dirents); 488 } 489 if (current == NULL) 490 off = TARFS_COOKIE_EOF; 491 else 492 off = current->ino; 493 } 494 495 TARFS_DPF(VNODE, "%s: [%u] offset %zu\n", __func__, 496 idx, off); 497 (*cookies)[idx] = off; 498 } 499 MPASS(uio->uio_offset == off); 500 } 501 502 return (error); 503} 504 505static int 506tarfs_read(struct vop_read_args *ap) 507{ 508 struct tarfs_node *tnp; 509 struct uio *uiop; 510 struct vnode *vp; 511 size_t len; 512 off_t resid; 513 int error; 514 515 uiop = ap->a_uio; 516 vp = ap->a_vp; 517 518 if (vp->v_type == VCHR || vp->v_type == VBLK) 519 return (EOPNOTSUPP); 520 521 if (vp->v_type != VREG) 522 return (EISDIR); 523 524 if (uiop->uio_offset < 0) 525 return (EINVAL); 526 527 tnp = VP_TO_TARFS_NODE(vp); 528 error = 0; 529 530 TARFS_DPF(VNODE, "%s(%p=%s, %zu, %zd)\n", __func__, 531 tnp, tnp->name, uiop->uio_offset, uiop->uio_resid); 532 533 while ((resid = uiop->uio_resid) > 0) { 534 if (tnp->size <= uiop->uio_offset) 535 break; 536 len = MIN(tnp->size - uiop->uio_offset, resid); 537 if (len == 0) 538 break; 539 540 error = tarfs_read_file(tnp, len, uiop); 541 if (error != 0 || resid == uiop->uio_resid) 542 break; 543 } 544 545 return (error); 546} 547 548static int 549tarfs_readlink(struct vop_readlink_args *ap) 550{ 551 struct tarfs_node *tnp; 552 struct uio *uiop; 553 struct vnode *vp; 554 int error; 555 556 uiop = ap->a_uio; 557 vp = ap->a_vp; 558 559 MPASS(uiop->uio_offset == 0); 560 MPASS(vp->v_type == VLNK); 561 562 tnp = VP_TO_TARFS_NODE(vp); 563 564 TARFS_DPF(VNODE, "%s(%p=%s)\n", __func__, 565 tnp, tnp->name); 566 567 error = uiomove(tnp->link.name, 568 MIN(tnp->size, uiop->uio_resid), uiop); 569 570 return (error); 571} 572 573static int 574tarfs_reclaim(struct vop_reclaim_args *ap) 575{ 576 struct tarfs_node *tnp; 577 struct vnode *vp; 578 579 vp = ap->a_vp; 580 tnp = VP_TO_TARFS_NODE(vp); 581 582 vfs_hash_remove(vp); 583 584 TARFS_NODE_LOCK(tnp); 585 tnp->vnode = NULLVP; 586 vp->v_data = NULL; 587 TARFS_NODE_UNLOCK(tnp); 588 589 return (0); 590} 591 592static int 593tarfs_print(struct vop_print_args *ap) 594{ 595 struct tarfs_node *tnp; 596 struct vnode *vp; 597 598 vp = ap->a_vp; 599 tnp = VP_TO_TARFS_NODE(vp); 600 601 printf("tag tarfs, tarfs_node %p, links %lu\n", 602 tnp, (unsigned long)tnp->nlink); 603 printf("\tmode 0%o, owner %d, group %d, size %zd\n", 604 tnp->mode, tnp->uid, tnp->gid, 605 tnp->size); 606 607 if (vp->v_type == VFIFO) 608 fifo_printinfo(vp); 609 610 printf("\n"); 611 612 return (0); 613} 614 615static int 616tarfs_strategy(struct vop_strategy_args *ap) 617{ 618 struct uio auio; 619 struct iovec iov; 620 struct tarfs_node *tnp; 621 struct buf *bp; 622 off_t off; 623 size_t len; 624 int error; 625 626 tnp = VP_TO_TARFS_NODE(ap->a_vp); 627 bp = ap->a_bp; 628 MPASS(bp->b_iocmd == BIO_READ); 629 MPASS(bp->b_iooffset >= 0); 630 MPASS(bp->b_bcount > 0); 631 MPASS(bp->b_bufsize >= bp->b_bcount); 632 TARFS_DPF(VNODE, "%s(%p=%s, %zu, %ld/%ld)\n", __func__, tnp, 633 tnp->name, (size_t)bp->b_iooffset, bp->b_bcount, bp->b_bufsize); 634 iov.iov_base = bp->b_data; 635 iov.iov_len = bp->b_bcount; 636 off = bp->b_iooffset; 637 len = bp->b_bcount; 638 bp->b_resid = len; 639 if (off > tnp->size) { 640 /* XXX read beyond EOF - figure out correct handling */ 641 error = EIO; 642 goto out; 643 } 644 if (off + len > tnp->size) { 645 /* clip to file length */ 646 len = tnp->size - off; 647 } 648 auio.uio_iov = &iov; 649 auio.uio_iovcnt = 1; 650 auio.uio_offset = off; 651 auio.uio_resid = len; 652 auio.uio_segflg = UIO_SYSSPACE; 653 auio.uio_rw = UIO_READ; 654 auio.uio_td = curthread; 655 error = tarfs_read_file(tnp, len, &auio); 656 bp->b_resid -= len - auio.uio_resid; 657out: 658 if (error != 0) { 659 bp->b_ioflags |= BIO_ERROR; 660 bp->b_error = error; 661 } 662 bp->b_flags |= B_DONE; 663 return (0); 664} 665 666static int 667tarfs_vptofh(struct vop_vptofh_args *ap) 668{ 669 struct tarfs_fid *tfp; 670 struct tarfs_node *tnp; 671 672 tfp = (struct tarfs_fid *)ap->a_fhp; 673 tnp = VP_TO_TARFS_NODE(ap->a_vp); 674 675 tfp->len = sizeof(struct tarfs_fid); 676 tfp->ino = tnp->ino; 677 tfp->gen = tnp->gen; 678 679 return (0); 680} 681 682struct vop_vector tarfs_vnodeops = { 683 .vop_default = &default_vnodeops, 684 685 .vop_access = tarfs_access, 686 .vop_bmap = tarfs_bmap, 687 .vop_cachedlookup = tarfs_lookup, 688 .vop_close = tarfs_close, 689 .vop_getattr = tarfs_getattr, 690 .vop_lookup = vfs_cache_lookup, 691 .vop_open = tarfs_open, 692 .vop_print = tarfs_print, 693 .vop_read = tarfs_read, 694 .vop_readdir = tarfs_readdir, 695 .vop_readlink = tarfs_readlink, 696 .vop_reclaim = tarfs_reclaim, 697 .vop_strategy = tarfs_strategy, 698 .vop_vptofh = tarfs_vptofh, 699}; 700VFS_VOP_VECTOR_REGISTER(tarfs_vnodeops); 701