1 /* $NetBSD: hfs_vfsops.c,v 1.34 2017/02/17 08:31:24 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 1.34 2017/02/17 08:31:24 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 struct pool hfs_node_pool; 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 .vfs_name = MOUNT_HFS, 153 .vfs_min_mount_data = sizeof (struct hfs_args), 154 .vfs_mount = hfs_mount, 155 .vfs_start = hfs_start, 156 .vfs_unmount = hfs_unmount, 157 .vfs_root = hfs_root, 158 .vfs_quotactl = (void *)eopnotsupp, 159 .vfs_statvfs = hfs_statvfs, 160 .vfs_sync = hfs_sync, 161 .vfs_vget = hfs_vget, 162 .vfs_loadvnode = hfs_loadvnode, 163 .vfs_fhtovp = hfs_fhtovp, 164 .vfs_vptofh = hfs_vptofh, 165 .vfs_init = hfs_init, 166 .vfs_reinit = hfs_reinit, 167 .vfs_done = hfs_done, 168 .vfs_extattrctl = vfs_stdextattrctl, 169 .vfs_suspendctl = genfs_suspendctl, 170 .vfs_renamelock_enter = genfs_renamelock_enter, 171 .vfs_renamelock_exit = genfs_renamelock_exit, 172 .vfs_fsync = (void *)eopnotsupp, 173 .vfs_opv_descs = hfs_vnodeopv_descs 174 }; 175 176 static const struct genfs_ops hfs_genfsops = { 177 .gop_size = genfs_size, 178 }; 179 180 static int 181 hfs_modcmd(modcmd_t cmd, void *arg) 182 { 183 switch (cmd) { 184 case MODULE_CMD_INIT: 185 return vfs_attach(&hfs_vfsops); 186 case MODULE_CMD_FINI: 187 return vfs_detach(&hfs_vfsops); 188 default: 189 return ENOTTY; 190 } 191 } 192 193 int 194 hfs_mount(struct mount *mp, const char *path, void *data, size_t *data_len) 195 { 196 struct lwp *l = curlwp; 197 struct hfs_args *args = data; 198 struct vnode *devvp; 199 struct hfsmount *hmp; 200 int error = 0; 201 int update; 202 mode_t accessmode; 203 204 if (args == NULL) 205 return EINVAL; 206 if (*data_len < sizeof *args) 207 return EINVAL; 208 209 #ifdef HFS_DEBUG 210 printf("vfsop = hfs_mount()\n"); 211 #endif /* HFS_DEBUG */ 212 213 if (mp->mnt_flag & MNT_GETARGS) { 214 hmp = VFSTOHFS(mp); 215 if (hmp == NULL) 216 return EIO; 217 args->fspec = NULL; 218 *data_len = sizeof *args; 219 return 0; 220 } 221 222 /* FIXME: For development ONLY - disallow remounting for now */ 223 #if 0 224 update = mp->mnt_flag & MNT_UPDATE; 225 #else 226 update = 0; 227 #endif 228 229 /* Check arguments */ 230 if (args->fspec != NULL) { 231 /* 232 * Look up the name and verify that it's sane. 233 */ 234 error = namei_simple_user(args->fspec, 235 NSM_FOLLOW_NOEMULROOT, &devvp); 236 if (error != 0) 237 return error; 238 239 if (!update) { 240 /* 241 * Be sure this is a valid block device 242 */ 243 if (devvp->v_type != VBLK) 244 error = ENOTBLK; 245 else if (bdevsw_lookup(devvp->v_rdev) == NULL) 246 error = ENXIO; 247 } else { 248 /* 249 * Be sure we're still naming the same device 250 * used for our initial mount 251 */ 252 hmp = VFSTOHFS(mp); 253 if (devvp != hmp->hm_devvp) 254 error = EINVAL; 255 } 256 } else { 257 if (update) { 258 /* Use the extant mount */ 259 hmp = VFSTOHFS(mp); 260 devvp = hmp->hm_devvp; 261 vref(devvp); 262 } else { 263 /* New mounts must have a filename for the device */ 264 return EINVAL; 265 } 266 } 267 268 /* 269 * If mount by non-root, then verify that user has necessary 270 * permissions on the device. 271 * 272 * Permission to update a mount is checked higher, so here we presume 273 * updating the mount is okay (for example, as far as securelevel goes) 274 * which leaves us with the normal check. 275 */ 276 if (error == 0) { 277 accessmode = VREAD; 278 if (update ? 279 (mp->mnt_iflag & IMNT_WANTRDWR) != 0 : 280 (mp->mnt_flag & MNT_RDONLY) == 0) 281 accessmode |= VWRITE; 282 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 283 error = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_MOUNT, 284 KAUTH_REQ_SYSTEM_MOUNT_DEVICE, mp, devvp, 285 KAUTH_ARG(accessmode)); 286 VOP_UNLOCK(devvp); 287 } 288 289 if (error != 0) 290 goto error; 291 292 if (update) { 293 printf("HFS: live remounting not yet supported!\n"); 294 error = EINVAL; 295 goto error; 296 } 297 298 if ((error = hfs_mountfs(devvp, mp, l, args->fspec)) != 0) 299 goto error; 300 301 error = set_statvfs_info(path, UIO_USERSPACE, args->fspec, UIO_USERSPACE, 302 mp->mnt_op->vfs_name, mp, l); 303 304 #ifdef HFS_DEBUG 305 if(!update) { 306 char* volname; 307 308 hmp = VFSTOHFS(mp); 309 volname = malloc(hmp->hm_vol.name.length + 1, M_TEMP, M_WAITOK); 310 if (volname == NULL) 311 printf("could not allocate volname; ignored\n"); 312 else { 313 if (hfs_unicode_to_ascii(hmp->hm_vol.name.unicode, 314 hmp->hm_vol.name.length, volname) == NULL) 315 printf("could not convert volume name to ascii; ignored\n"); 316 else 317 printf("mounted volume \"%s\"\n", volname); 318 free(volname, M_TEMP); 319 } 320 } 321 #endif /* HFS_DEBUG */ 322 323 return error; 324 325 error: 326 vrele(devvp); 327 return error; 328 } 329 330 int 331 hfs_start(struct mount *mp, int flags) 332 { 333 #ifdef HFS_DEBUG 334 printf("vfsop = hfs_start()\n"); 335 #endif /* HFS_DEBUG */ 336 337 return 0; 338 } 339 340 int 341 hfs_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, 342 const char *devpath) 343 { 344 hfs_callback_args cbargs; 345 hfs_libcb_argsopen argsopen; 346 hfs_libcb_argsread argsread; 347 struct hfsmount *hmp; 348 kauth_cred_t cred; 349 int error; 350 351 cred = l ? l->l_cred : NOCRED; 352 error = 0; 353 hmp = NULL; 354 355 /* Create mounted volume structure. */ 356 hmp = malloc(sizeof(struct hfsmount), M_HFSMNT, M_WAITOK|M_ZERO); 357 if (hmp == NULL) { 358 error = ENOMEM; 359 goto error; 360 } 361 362 mp->mnt_data = hmp; 363 mp->mnt_flag |= MNT_LOCAL; 364 vfs_getnewfsid(mp); 365 366 hmp->hm_mountp = mp; 367 hmp->hm_dev = devvp->v_rdev; 368 hmp->hm_devvp = devvp; 369 370 /* 371 * Use libhfs to open the volume and read the volume header and other 372 * useful information. 373 */ 374 375 hfslib_init_cbargs(&cbargs); 376 argsopen.cred = argsread.cred = cred; 377 argsopen.l = argsread.l = l; 378 argsopen.devvp = devvp; 379 cbargs.read = (void*)&argsread; 380 cbargs.openvol = (void*)&argsopen; 381 382 if ((error = hfslib_open_volume(devpath, mp->mnt_flag & MNT_RDONLY, 383 &hmp->hm_vol, &cbargs)) != 0) 384 goto error; 385 386 /* Make sure this is not a journaled volume whose journal is dirty. */ 387 if (!hfslib_is_journal_clean(&hmp->hm_vol)) { 388 printf("volume journal is dirty; not mounting\n"); 389 error = EIO; 390 goto error; 391 } 392 393 mp->mnt_fs_bshift = 0; 394 while ((1 << mp->mnt_fs_bshift) < hmp->hm_vol.vh.block_size) 395 mp->mnt_fs_bshift++; 396 mp->mnt_dev_bshift = DEV_BSHIFT; 397 398 return 0; 399 400 error: 401 if (hmp != NULL) 402 free(hmp, M_HFSMNT); 403 return error; 404 } 405 406 int 407 hfs_unmount(struct mount *mp, int mntflags) 408 { 409 hfs_callback_args cbargs; 410 hfs_libcb_argsread argsclose; 411 struct hfsmount* hmp; 412 int error; 413 int flags; 414 415 #ifdef HFS_DEBUG 416 printf("vfsop = hfs_unmount()\n"); 417 #endif /* HFS_DEBUG */ 418 419 hmp = VFSTOHFS(mp); 420 421 flags = 0; 422 if (mntflags & MNT_FORCE) 423 flags |= FORCECLOSE; 424 425 if ((error = vflush(mp, NULLVP, flags)) != 0) 426 return error; 427 428 hfslib_init_cbargs(&cbargs); 429 argsclose.l = curlwp; 430 cbargs.closevol = (void*)&argsclose; 431 hfslib_close_volume(&hmp->hm_vol, &cbargs); 432 433 vrele(hmp->hm_devvp); 434 435 free(hmp, M_HFSMNT); 436 mp->mnt_data = NULL; 437 mp->mnt_flag &= ~MNT_LOCAL; 438 439 return error; 440 } 441 442 int 443 hfs_root(struct mount *mp, struct vnode **vpp) 444 { 445 struct vnode *nvp; 446 int error; 447 448 #ifdef HFS_DEBUG 449 printf("vfsop = hfs_root()\n"); 450 #endif /* HFS_DEBUG */ 451 452 if ((error = VFS_VGET(mp, HFS_CNID_ROOT_FOLDER, &nvp)) != 0) 453 return error; 454 *vpp = nvp; 455 456 return 0; 457 } 458 459 int 460 hfs_statvfs(struct mount *mp, struct statvfs *sbp) 461 { 462 hfs_volume_header_t *vh; 463 464 #ifdef HFS_DEBUG 465 printf("vfsop = hfs_statvfs()\n"); 466 #endif /* HFS_DEBUG */ 467 468 vh = &VFSTOHFS(mp)->hm_vol.vh; 469 470 sbp->f_bsize = vh->block_size; 471 sbp->f_frsize = sbp->f_bsize; 472 sbp->f_iosize = 4096;/* mac os x uses a 4 kb io size, so do the same */ 473 sbp->f_blocks = vh->total_blocks; 474 sbp->f_bfree = vh->free_blocks; /* total free blocks */ 475 sbp->f_bavail = vh->free_blocks; /* blocks free for non superuser */ 476 sbp->f_bresvd = 0; 477 sbp->f_files = vh->file_count; /* total files */ 478 sbp->f_ffree = (1<<31) - vh->file_count; /* free file nodes */ 479 copy_statvfs_info(sbp, mp); 480 481 return 0; 482 } 483 484 int 485 hfs_sync(struct mount *mp, int waitfor, kauth_cred_t cred) 486 { 487 #ifdef HFS_DEBUG 488 printf("vfsop = hfs_sync()\n"); 489 #endif /* HFS_DEBUG */ 490 491 return 0; 492 } 493 494 /* 495 * an ino_t corresponds directly to a CNID in our particular case, 496 * since both are conveniently 32-bit numbers 497 */ 498 int 499 hfs_vget(struct mount *mp, ino_t ino, struct vnode **vpp) 500 { 501 int error; 502 503 error = hfs_vget_internal(mp, ino, HFS_DATAFORK, vpp); 504 if (error) 505 return error; 506 error = vn_lock(*vpp, LK_EXCLUSIVE); 507 if (error) { 508 vrele(*vpp); 509 *vpp = NULL; 510 return error; 511 } 512 return 0; 513 } 514 515 /* 516 * internal version with extra arguments to allow accessing resource fork 517 */ 518 int 519 hfs_vget_internal(struct mount *mp, ino_t ino, uint8_t fork, 520 struct vnode **vpp) 521 { 522 struct hfsnode_key key; 523 524 memset(&key, 0, sizeof(key)); 525 key.hnk_cnid = (hfs_cnid_t)ino; 526 key.hnk_fork = (fork != HFS_RSRCFORK ? HFS_DATAFORK : HFS_RSRCFORK); 527 528 return vcache_get(mp, &key, sizeof(key), vpp); 529 } 530 531 int 532 hfs_loadvnode(struct mount *mp, struct vnode *vp, 533 const void *key, size_t key_len, const void **new_key) 534 { 535 struct hfsmount *hmp; 536 struct hfsnode *hnode; 537 struct hfsnode_key hfskey; 538 hfs_callback_args cbargs; 539 hfs_catalog_keyed_record_t rec; 540 hfs_catalog_key_t cat_key; /* the search key used to find this file on disk */ 541 dev_t dev; 542 543 #ifdef HFS_DEBUG 544 printf("vfsop = hfs_loadvnode()\n"); 545 #endif /* HFS_DEBUG */ 546 547 KASSERT(key_len == sizeof(hfskey)); 548 memcpy(&hfskey, key, key_len); 549 550 hmp = VFSTOHFS(mp); 551 dev = hmp->hm_dev; 552 553 hnode = pool_get(&hfs_node_pool, PR_WAITOK); 554 memset(hnode, 0, sizeof(*hnode)); 555 hnode->h_vnode = vp; 556 hnode->h_hmp = hmp; 557 hnode->dummy = 0x1337BABE; 558 hnode->h_dev = dev; 559 hnode->h_rec.u.cnid = hfskey.hnk_cnid; 560 hnode->h_fork = hfskey.hnk_fork; 561 hnode->h_key = hfskey; 562 563 /* 564 * Read catalog record from disk. 565 */ 566 hfslib_init_cbargs(&cbargs); 567 568 if (hfslib_find_catalog_record_with_cnid(&hmp->hm_vol, hfskey.hnk_cnid, 569 &rec, &cat_key, &cbargs) != 0) { 570 pool_put(&hfs_node_pool, hnode); 571 return EBADF; 572 } 573 574 memcpy(&hnode->h_rec, &rec, sizeof(hnode->h_rec)); 575 hnode->h_parent = cat_key.parent_cnid; 576 577 /* XXX Eventually need to add an "ignore permissions" mount option */ 578 579 /* 580 * Now convert some of the catalog record's fields into values that make 581 * sense on this system. 582 */ 583 /* DATE AND TIME */ 584 585 vp->v_tag = VT_HFS; 586 vp->v_op = hfs_vnodeop_p; 587 vp->v_vflag |= VV_LOCKSWORK; 588 vp->v_data = hnode; 589 genfs_node_init(vp, &hfs_genfsops); 590 591 /* 592 * Initialize the vnode from the hfsnode, check for aliases. 593 */ 594 hfs_vinit(mp, hfs_specop_p, hfs_fifoop_p, &vp); 595 596 hnode->h_devvp = hmp->hm_devvp; 597 vref(hnode->h_devvp); /* Increment the ref count to the volume's device. */ 598 599 /* Make sure UVM has allocated enough memory. (?) */ 600 if (hnode->h_rec.u.rec_type == HFS_REC_FILE) { 601 if (hnode->h_fork == HFS_DATAFORK) 602 uvm_vnp_setsize(vp, 603 hnode->h_rec.file.data_fork.logical_size); 604 else 605 uvm_vnp_setsize(vp, 606 hnode->h_rec.file.rsrc_fork.logical_size); 607 } 608 else 609 uvm_vnp_setsize(vp, 0); /* no directly reading directories */ 610 611 *new_key = &hnode->h_key; 612 return 0; 613 } 614 615 int 616 hfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp) 617 { 618 619 #ifdef HFS_DEBUG 620 printf("vfsop = hfs_fhtovp()\n"); 621 #endif /* HFS_DEBUG */ 622 623 return EOPNOTSUPP; 624 } 625 626 int 627 hfs_vptofh(struct vnode *vp, struct fid *fhp, size_t *fh_size) 628 { 629 #ifdef HFS_DEBUG 630 printf("vfsop = hfs_vptofh()\n"); 631 #endif /* HFS_DEBUG */ 632 633 return EOPNOTSUPP; 634 } 635 636 void 637 hfs_init(void) 638 { 639 hfs_callbacks callbacks; 640 641 #ifdef HFS_DEBUG 642 printf("vfsop = hfs_init()\n"); 643 #endif /* HFS_DEBUG */ 644 645 malloc_type_attach(M_HFSMNT); 646 pool_init(&hfs_node_pool, sizeof(struct hfsnode), 0, 0, 0, "hfsndpl", 647 &pool_allocator_nointr, IPL_NONE); 648 649 callbacks.error = hfs_libcb_error; 650 callbacks.allocmem = hfs_libcb_malloc; 651 callbacks.reallocmem = hfs_libcb_realloc; 652 callbacks.freemem = hfs_libcb_free; 653 callbacks.openvol = hfs_libcb_opendev; 654 callbacks.closevol = hfs_libcb_closedev; 655 callbacks.read = hfs_libcb_read; 656 657 hfslib_init(&callbacks); 658 } 659 660 void 661 hfs_reinit(void) 662 { 663 #ifdef HFS_DEBUG 664 printf("vfsop = hfs_reinit()\n"); 665 #endif /* HFS_DEBUG */ 666 667 return; 668 } 669 670 void 671 hfs_done(void) 672 { 673 #ifdef HFS_DEBUG 674 printf("vfsop = hfs_done()\n"); 675 #endif /* HFS_DEBUG */ 676 677 malloc_type_detach(M_HFSMNT); 678 pool_destroy(&hfs_node_pool); 679 hfslib_done(); 680 } 681 682 int 683 hfs_mountroot(void) 684 { 685 #ifdef HFS_DEBUG 686 printf("vfsop = hfs_mountroot()\n"); 687 #endif /* HFS_DEBUG */ 688 689 return EOPNOTSUPP; 690 } 691