1 /* $NetBSD: hfs_vfsops.c,v 1.26 2010/06/24 13:03:09 hannken Exp $ */ 2 3 /*- 4 * Copyright (c) 2005, 2007 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Yevgeny Binder and Dieter Baron. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1991, 1993, 1994 34 * The Regents of the University of California. All rights reserved. 35 * (c) UNIX System Laboratories, Inc. 36 * All or some portions of this file are derived from material licensed 37 * to the University of California by American Telephone and Telegraph 38 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 39 * the permission of UNIX System Laboratories, Inc. 40 * 41 * Redistribution and use in source and binary forms, with or without 42 * modification, are permitted provided that the following conditions 43 * are met: 44 * 1. Redistributions of source code must retain the above copyright 45 * notice, this list of conditions and the following disclaimer. 46 * 2. Redistributions in binary form must reproduce the above copyright 47 * notice, this list of conditions and the following disclaimer in the 48 * documentation and/or other materials provided with the distribution. 49 * 3. Neither the name of the University nor the names of its contributors 50 * may be used to endorse or promote products derived from this software 51 * without specific prior written permission. 52 * 53 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 54 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 55 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 56 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 57 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 58 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 59 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 60 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 61 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 62 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 63 * SUCH DAMAGE. 64 */ 65 66 /* 67 * Copyright (c) 1989, 1991, 1993, 1994 68 * The Regents of the University of California. All rights reserved. 69 * 70 * Redistribution and use in source and binary forms, with or without 71 * modification, are permitted provided that the following conditions 72 * are met: 73 * 1. Redistributions of source code must retain the above copyright 74 * notice, this list of conditions and the following disclaimer. 75 * 2. Redistributions in binary form must reproduce the above copyright 76 * notice, this list of conditions and the following disclaimer in the 77 * documentation and/or other materials provided with the distribution. 78 * 3. Neither the name of the University nor the names of its contributors 79 * may be used to endorse or promote products derived from this software 80 * without specific prior written permission. 81 * 82 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 83 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 84 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 85 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 86 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 87 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 88 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 89 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 90 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 91 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 92 * SUCH DAMAGE. 93 */ 94 95 96 97 /* 98 * Apple HFS+ filesystem 99 */ 100 101 #include <sys/cdefs.h> 102 __KERNEL_RCSID(0, "$NetBSD: hfs_vfsops.c,v 1.26 2010/06/24 13:03:09 hannken Exp $"); 103 104 #ifdef _KERNEL_OPT 105 #include "opt_compat_netbsd.h" 106 #endif 107 108 #include <sys/param.h> 109 #include <sys/systm.h> 110 #include <sys/namei.h> 111 #include <sys/proc.h> 112 #include <sys/kernel.h> 113 #include <sys/vnode.h> 114 #include <sys/socket.h> 115 #include <sys/mount.h> 116 #include <sys/buf.h> 117 #include <sys/device.h> 118 #include <sys/mbuf.h> 119 #include <sys/file.h> 120 #include <sys/disklabel.h> 121 #include <sys/ioctl.h> 122 #include <sys/errno.h> 123 #include <sys/malloc.h> 124 #include <sys/pool.h> 125 #include <sys/lock.h> 126 #include <sys/sysctl.h> 127 #include <sys/conf.h> 128 #include <sys/kauth.h> 129 #include <sys/stat.h> 130 #include <sys/module.h> 131 132 #include <miscfs/genfs/genfs.h> 133 #include <miscfs/specfs/specdev.h> 134 135 #include <fs/hfs/hfs.h> 136 #include <fs/hfs/libhfs.h> 137 138 MODULE(MODULE_CLASS_VFS, hfs, NULL); 139 140 MALLOC_JUSTDEFINE(M_HFSMNT, "hfs mount", "hfs mount structures"); 141 142 extern kmutex_t hfs_hashlock; 143 144 const struct vnodeopv_desc * const hfs_vnodeopv_descs[] = { 145 &hfs_vnodeop_opv_desc, 146 &hfs_specop_opv_desc, 147 &hfs_fifoop_opv_desc, 148 NULL, 149 }; 150 151 struct vfsops hfs_vfsops = { 152 MOUNT_HFS, 153 sizeof (struct hfs_args), 154 hfs_mount, 155 hfs_start, 156 hfs_unmount, 157 hfs_root, 158 (void *)eopnotsupp, /* vfs_quotactl */ 159 hfs_statvfs, 160 hfs_sync, 161 hfs_vget, 162 hfs_fhtovp, 163 hfs_vptofh, 164 hfs_init, 165 hfs_reinit, 166 hfs_done, 167 NULL, /* vfs_mountroot */ 168 NULL, /* vfs_snapshot */ 169 vfs_stdextattrctl, 170 (void *)eopnotsupp, /* vfs_suspendctl */ 171 genfs_renamelock_enter, 172 genfs_renamelock_exit, 173 (void *)eopnotsupp, 174 hfs_vnodeopv_descs, 175 0, 176 { NULL, NULL }, 177 }; 178 179 static const struct genfs_ops hfs_genfsops = { 180 .gop_size = genfs_size, 181 }; 182 183 static int 184 hfs_modcmd(modcmd_t cmd, void *arg) 185 { 186 187 switch (cmd) { 188 case MODULE_CMD_INIT: 189 return vfs_attach(&hfs_vfsops); 190 case MODULE_CMD_FINI: 191 return vfs_detach(&hfs_vfsops); 192 default: 193 return ENOTTY; 194 } 195 } 196 197 int 198 hfs_mount(struct mount *mp, const char *path, void *data, size_t *data_len) 199 { 200 struct lwp *l = curlwp; 201 struct hfs_args *args = data; 202 struct vnode *devvp; 203 struct hfsmount *hmp; 204 int error; 205 int update; 206 mode_t accessmode; 207 208 if (*data_len < sizeof *args) 209 return EINVAL; 210 211 #ifdef HFS_DEBUG 212 printf("vfsop = hfs_mount()\n"); 213 #endif /* HFS_DEBUG */ 214 215 if (mp->mnt_flag & MNT_GETARGS) { 216 hmp = VFSTOHFS(mp); 217 if (hmp == NULL) 218 return EIO; 219 args->fspec = NULL; 220 *data_len = sizeof *args; 221 return 0; 222 } 223 224 if (data == NULL) 225 return EINVAL; 226 227 /* FIXME: For development ONLY - disallow remounting for now */ 228 #if 0 229 update = mp->mnt_flag & MNT_UPDATE; 230 #else 231 update = 0; 232 #endif 233 234 /* Check arguments */ 235 if (args->fspec != NULL) { 236 /* 237 * Look up the name and verify that it's sane. 238 */ 239 error = namei_simple_user(args->fspec, 240 NSM_FOLLOW_NOEMULROOT, &devvp); 241 if (error != 0) 242 return error; 243 244 if (!update) { 245 /* 246 * Be sure this is a valid block device 247 */ 248 if (devvp->v_type != VBLK) 249 error = ENOTBLK; 250 else if (bdevsw_lookup(devvp->v_rdev) == NULL) 251 error = ENXIO; 252 } else { 253 /* 254 * Be sure we're still naming the same device 255 * used for our initial mount 256 */ 257 hmp = VFSTOHFS(mp); 258 if (devvp != hmp->hm_devvp) 259 error = EINVAL; 260 } 261 } else { 262 if (update) { 263 /* Use the extant mount */ 264 hmp = VFSTOHFS(mp); 265 devvp = hmp->hm_devvp; 266 vref(devvp); 267 } else { 268 /* New mounts must have a filename for the device */ 269 return EINVAL; 270 } 271 } 272 273 274 /* 275 * If mount by non-root, then verify that user has necessary 276 * permissions on the device. 277 * 278 * Permission to update a mount is checked higher, so here we presume 279 * updating the mount is okay (for example, as far as securelevel goes) 280 * which leaves us with the normal check. 281 */ 282 if (error == 0) { 283 accessmode = VREAD; 284 if (update ? 285 (mp->mnt_iflag & IMNT_WANTRDWR) != 0 : 286 (mp->mnt_flag & MNT_RDONLY) == 0) 287 accessmode |= VWRITE; 288 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 289 error = genfs_can_mount(devvp, accessmode, l->l_cred); 290 VOP_UNLOCK(devvp); 291 } 292 293 if (error != 0) 294 goto error; 295 296 if (update) { 297 printf("HFS: live remounting not yet supported!\n"); 298 error = EINVAL; 299 goto error; 300 } 301 302 if ((error = hfs_mountfs(devvp, mp, l, args->fspec)) != 0) 303 goto error; 304 305 error = set_statvfs_info(path, UIO_USERSPACE, args->fspec, UIO_USERSPACE, 306 mp->mnt_op->vfs_name, mp, l); 307 308 #ifdef HFS_DEBUG 309 if(!update) { 310 char* volname; 311 312 hmp = VFSTOHFS(mp); 313 volname = malloc(hmp->hm_vol.name.length + 1, M_TEMP, M_WAITOK); 314 if (volname == NULL) 315 printf("could not allocate volname; ignored\n"); 316 else { 317 if (hfs_unicode_to_ascii(hmp->hm_vol.name.unicode, 318 hmp->hm_vol.name.length, volname) == NULL) 319 printf("could not convert volume name to ascii; ignored\n"); 320 else 321 printf("mounted volume \"%s\"\n", volname); 322 free(volname, M_TEMP); 323 } 324 } 325 #endif /* HFS_DEBUG */ 326 327 return error; 328 329 error: 330 vrele(devvp); 331 return error; 332 } 333 334 int 335 hfs_start(struct mount *mp, int flags) 336 { 337 338 #ifdef HFS_DEBUG 339 printf("vfsop = hfs_start()\n"); 340 #endif /* HFS_DEBUG */ 341 342 return 0; 343 } 344 345 int 346 hfs_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, 347 const char *devpath) 348 { 349 hfs_callback_args cbargs; 350 hfs_libcb_argsopen argsopen; 351 hfs_libcb_argsread argsread; 352 struct hfsmount *hmp; 353 kauth_cred_t cred; 354 int error; 355 356 cred = l ? l->l_cred : NOCRED; 357 error = 0; 358 hmp = NULL; 359 360 /* Create mounted volume structure. */ 361 hmp = (struct hfsmount*)malloc(sizeof(struct hfsmount), 362 M_HFSMNT, M_WAITOK); 363 if (hmp == NULL) { 364 error = ENOMEM; 365 goto error; 366 } 367 memset(hmp, 0, sizeof(struct hfsmount)); 368 369 mp->mnt_data = hmp; 370 mp->mnt_flag |= MNT_LOCAL; 371 vfs_getnewfsid(mp); 372 373 hmp->hm_mountp = mp; 374 hmp->hm_dev = devvp->v_rdev; 375 hmp->hm_devvp = devvp; 376 377 /* 378 * Use libhfs to open the volume and read the volume header and other 379 * useful information. 380 */ 381 382 hfslib_init_cbargs(&cbargs); 383 argsopen.cred = argsread.cred = cred; 384 argsopen.l = argsread.l = l; 385 argsopen.devvp = devvp; 386 cbargs.read = (void*)&argsread; 387 cbargs.openvol = (void*)&argsopen; 388 389 if ((error = hfslib_open_volume(devpath, mp->mnt_flag & MNT_RDONLY, 390 &hmp->hm_vol, &cbargs)) != 0) 391 goto error; 392 393 /* Make sure this is not a journaled volume whose journal is dirty. */ 394 if (!hfslib_is_journal_clean(&hmp->hm_vol)) { 395 printf("volume journal is dirty; not mounting\n"); 396 error = EIO; 397 goto error; 398 } 399 400 mp->mnt_fs_bshift = 0; 401 while ((1 << mp->mnt_fs_bshift) < hmp->hm_vol.vh.block_size) 402 mp->mnt_fs_bshift++; 403 mp->mnt_dev_bshift = DEV_BSHIFT; 404 405 return 0; 406 407 error: 408 if (hmp != NULL) 409 free(hmp, M_HFSMNT); 410 411 return error; 412 } 413 414 int 415 hfs_unmount(struct mount *mp, int mntflags) 416 { 417 hfs_callback_args cbargs; 418 hfs_libcb_argsread argsclose; 419 struct hfsmount* hmp; 420 int error; 421 int flags; 422 423 #ifdef HFS_DEBUG 424 printf("vfsop = hfs_unmount()\n"); 425 #endif /* HFS_DEBUG */ 426 427 hmp = VFSTOHFS(mp); 428 429 flags = 0; 430 if (mntflags & MNT_FORCE) 431 flags |= FORCECLOSE; 432 433 if ((error = vflush(mp, NULLVP, flags)) != 0) 434 return error; 435 436 hfslib_init_cbargs(&cbargs); 437 argsclose.l = curlwp; 438 cbargs.closevol = (void*)&argsclose; 439 hfslib_close_volume(&hmp->hm_vol, &cbargs); 440 441 vrele(hmp->hm_devvp); 442 443 free(hmp, M_HFSMNT); 444 mp->mnt_data = NULL; 445 mp->mnt_flag &= ~MNT_LOCAL; 446 447 return error; 448 } 449 450 int 451 hfs_root(struct mount *mp, struct vnode **vpp) 452 { 453 struct vnode *nvp; 454 int error; 455 456 #ifdef HFS_DEBUG 457 printf("vfsop = hfs_root()\n"); 458 #endif /* HFS_DEBUG */ 459 460 if ((error = VFS_VGET(mp, HFS_CNID_ROOT_FOLDER, &nvp)) != 0) 461 return error; 462 *vpp = nvp; 463 464 return 0; 465 } 466 467 int 468 hfs_statvfs(struct mount *mp, struct statvfs *sbp) 469 { 470 hfs_volume_header_t *vh; 471 472 #ifdef HFS_DEBUG 473 printf("vfsop = hfs_statvfs()\n"); 474 #endif /* HFS_DEBUG */ 475 476 vh = &VFSTOHFS(mp)->hm_vol.vh; 477 478 sbp->f_bsize = vh->block_size; 479 sbp->f_frsize = sbp->f_bsize; 480 sbp->f_iosize = 4096;/* mac os x uses a 4 kb io size, so do the same */ 481 sbp->f_blocks = vh->total_blocks; 482 sbp->f_bfree = vh->free_blocks; /* total free blocks */ 483 sbp->f_bavail = vh->free_blocks; /* blocks free for non superuser */ 484 sbp->f_bresvd = 0; 485 sbp->f_files = vh->file_count; /* total files */ 486 sbp->f_ffree = (1<<31) - vh->file_count; /* free file nodes */ 487 copy_statvfs_info(sbp, mp); 488 489 return 0; 490 } 491 492 int 493 hfs_sync(struct mount *mp, int waitfor, kauth_cred_t cred) 494 { 495 496 #ifdef HFS_DEBUG 497 printf("vfsop = hfs_sync()\n"); 498 #endif /* HFS_DEBUG */ 499 500 return 0; 501 } 502 503 /* 504 * an ino_t corresponds directly to a CNID in our particular case, 505 * since both are conveniently 32-bit numbers 506 */ 507 int 508 hfs_vget(struct mount *mp, ino_t ino, struct vnode **vpp) 509 { 510 return hfs_vget_internal(mp, ino, HFS_DATAFORK, vpp); 511 } 512 513 /* 514 * internal version with extra arguments to allow accessing resource fork 515 */ 516 int 517 hfs_vget_internal(struct mount *mp, ino_t ino, uint8_t fork, 518 struct vnode **vpp) 519 { 520 struct hfsmount *hmp; 521 struct hfsnode *hnode; 522 struct vnode *vp; 523 hfs_callback_args cbargs; 524 hfs_cnid_t cnid; 525 hfs_catalog_keyed_record_t rec; 526 hfs_catalog_key_t key; /* the search key used to find this file on disk */ 527 dev_t dev; 528 int error; 529 530 #ifdef HFS_DEBUG 531 printf("vfsop = hfs_vget()\n"); 532 #endif /* HFS_DEBUG */ 533 534 hnode = NULL; 535 vp = NULL; 536 hmp = VFSTOHFS(mp); 537 dev = hmp->hm_dev; 538 cnid = (hfs_cnid_t)ino; 539 540 if (fork != HFS_RSRCFORK) 541 fork = HFS_DATAFORK; 542 543 retry: 544 /* Check if this vnode has already been allocated. If so, just return it. */ 545 if ((*vpp = hfs_nhashget(dev, cnid, fork, LK_EXCLUSIVE)) != NULL) 546 return 0; 547 548 /* Allocate a new vnode/inode. */ 549 if ((error = getnewvnode(VT_HFS, mp, hfs_vnodeop_p, &vp)) != 0) 550 goto error; 551 hnode = malloc(sizeof(struct hfsnode), M_TEMP, 552 M_WAITOK | M_ZERO); 553 554 /* 555 * If someone beat us to it while sleeping in getnewvnode(), 556 * push back the freshly allocated vnode we don't need, and return. 557 */ 558 mutex_enter(&hfs_hashlock); 559 if (hfs_nhashget(dev, cnid, fork, 0) != NULL) { 560 mutex_exit(&hfs_hashlock); 561 ungetnewvnode(vp); 562 free(hnode, M_TEMP); 563 goto retry; 564 } 565 566 vp->v_vflag |= VV_LOCKSWORK; 567 vp->v_data = hnode; 568 genfs_node_init(vp, &hfs_genfsops); 569 570 hnode->h_vnode = vp; 571 hnode->h_hmp = hmp; 572 hnode->dummy = 0x1337BABE; 573 574 /* 575 * We need to put this vnode into the hash chain and lock it so that other 576 * requests for this inode will block if they arrive while we are sleeping 577 * waiting for old data structures to be purged or for the contents of the 578 * disk portion of this inode to be read. The hash chain requires the node's 579 * device and cnid to be known. Since this information was passed in the 580 * arguments, fill in the appropriate hfsnode fields without reading having 581 * to read the disk. 582 */ 583 hnode->h_dev = dev; 584 hnode->h_rec.u.cnid = cnid; 585 hnode->h_fork = fork; 586 587 hfs_nhashinsert(hnode); 588 mutex_exit(&hfs_hashlock); 589 590 591 /* 592 * Read catalog record from disk. 593 */ 594 hfslib_init_cbargs(&cbargs); 595 596 if (hfslib_find_catalog_record_with_cnid(&hmp->hm_vol, cnid, 597 &rec, &key, &cbargs) != 0) { 598 vput(vp); 599 error = EBADF; 600 goto error; 601 } 602 603 memcpy(&hnode->h_rec, &rec, sizeof(hnode->h_rec)); 604 hnode->h_parent = key.parent_cnid; 605 606 /* XXX Eventually need to add an "ignore permissions" mount option */ 607 608 /* 609 * Now convert some of the catalog record's fields into values that make 610 * sense on this system. 611 */ 612 /* DATE AND TIME */ 613 614 /* 615 * Initialize the vnode from the hfsnode, check for aliases. 616 * Note that the underlying vnode may change. 617 */ 618 hfs_vinit(mp, hfs_specop_p, hfs_fifoop_p, &vp); 619 620 hnode->h_devvp = hmp->hm_devvp; 621 vref(hnode->h_devvp); /* Increment the ref count to the volume's device. */ 622 623 /* Make sure UVM has allocated enough memory. (?) */ 624 if (hnode->h_rec.u.rec_type == HFS_REC_FILE) { 625 if (hnode->h_fork == HFS_DATAFORK) 626 uvm_vnp_setsize(vp, 627 hnode->h_rec.file.data_fork.logical_size); 628 else 629 uvm_vnp_setsize(vp, 630 hnode->h_rec.file.rsrc_fork.logical_size); 631 } 632 else 633 uvm_vnp_setsize(vp, 0); /* no directly reading directories */ 634 635 *vpp = vp; 636 637 return 0; 638 639 error: 640 *vpp = NULL; 641 return error; 642 } 643 644 int 645 hfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp) 646 { 647 648 #ifdef HFS_DEBUG 649 printf("vfsop = hfs_fhtovp()\n"); 650 #endif /* HFS_DEBUG */ 651 652 return EOPNOTSUPP; 653 } 654 655 int 656 hfs_vptofh(struct vnode *vp, struct fid *fhp, size_t *fh_size) 657 { 658 659 #ifdef HFS_DEBUG 660 printf("vfsop = hfs_vptofh()\n"); 661 #endif /* HFS_DEBUG */ 662 663 return EOPNOTSUPP; 664 } 665 666 void 667 hfs_init(void) 668 { 669 hfs_callbacks callbacks; 670 671 #ifdef HFS_DEBUG 672 printf("vfsop = hfs_init()\n"); 673 #endif /* HFS_DEBUG */ 674 675 malloc_type_attach(M_HFSMNT); 676 677 callbacks.error = hfs_libcb_error; 678 callbacks.allocmem = hfs_libcb_malloc; 679 callbacks.reallocmem = hfs_libcb_realloc; 680 callbacks.freemem = hfs_libcb_free; 681 callbacks.openvol = hfs_libcb_opendev; 682 callbacks.closevol = hfs_libcb_closedev; 683 callbacks.read = hfs_libcb_read; 684 685 hfs_nhashinit(); 686 hfslib_init(&callbacks); 687 } 688 689 void 690 hfs_reinit(void) 691 { 692 693 #ifdef HFS_DEBUG 694 printf("vfsop = hfs_reinit()\n"); 695 #endif /* HFS_DEBUG */ 696 697 return; 698 } 699 700 void 701 hfs_done(void) 702 { 703 704 #ifdef HFS_DEBUG 705 printf("vfsop = hfs_done()\n"); 706 #endif /* HFS_DEBUG */ 707 708 malloc_type_detach(M_HFSMNT); 709 710 hfslib_done(); 711 hfs_nhashdone(); 712 } 713 714 int 715 hfs_mountroot(void) 716 { 717 718 #ifdef HFS_DEBUG 719 printf("vfsop = hfs_mountroot()\n"); 720 #endif /* HFS_DEBUG */ 721 722 return EOPNOTSUPP; 723 } 724