hfs_vfsops.c revision 1.28
1 /* $NetBSD: hfs_vfsops.c,v 1.28 2012/03/13 18:40:37 elad 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 1.28 2012/03/13 18:40:37 elad 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 = kauth_authorize_system(l->l_cred, KAUTH_SYSTEM_MOUNT, 290 KAUTH_REQ_SYSTEM_MOUNT_DEVICE, mp, devvp, 291 KAUTH_ARG(accessmode)); 292 VOP_UNLOCK(devvp); 293 } 294 295 if (error != 0) 296 goto error; 297 298 if (update) { 299 printf("HFS: live remounting not yet supported!\n"); 300 error = EINVAL; 301 goto error; 302 } 303 304 if ((error = hfs_mountfs(devvp, mp, l, args->fspec)) != 0) 305 goto error; 306 307 error = set_statvfs_info(path, UIO_USERSPACE, args->fspec, UIO_USERSPACE, 308 mp->mnt_op->vfs_name, mp, l); 309 310 #ifdef HFS_DEBUG 311 if(!update) { 312 char* volname; 313 314 hmp = VFSTOHFS(mp); 315 volname = malloc(hmp->hm_vol.name.length + 1, M_TEMP, M_WAITOK); 316 if (volname == NULL) 317 printf("could not allocate volname; ignored\n"); 318 else { 319 if (hfs_unicode_to_ascii(hmp->hm_vol.name.unicode, 320 hmp->hm_vol.name.length, volname) == NULL) 321 printf("could not convert volume name to ascii; ignored\n"); 322 else 323 printf("mounted volume \"%s\"\n", volname); 324 free(volname, M_TEMP); 325 } 326 } 327 #endif /* HFS_DEBUG */ 328 329 return error; 330 331 error: 332 vrele(devvp); 333 return error; 334 } 335 336 int 337 hfs_start(struct mount *mp, int flags) 338 { 339 340 #ifdef HFS_DEBUG 341 printf("vfsop = hfs_start()\n"); 342 #endif /* HFS_DEBUG */ 343 344 return 0; 345 } 346 347 int 348 hfs_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, 349 const char *devpath) 350 { 351 hfs_callback_args cbargs; 352 hfs_libcb_argsopen argsopen; 353 hfs_libcb_argsread argsread; 354 struct hfsmount *hmp; 355 kauth_cred_t cred; 356 int error; 357 358 cred = l ? l->l_cred : NOCRED; 359 error = 0; 360 hmp = NULL; 361 362 /* Create mounted volume structure. */ 363 hmp = (struct hfsmount*)malloc(sizeof(struct hfsmount), 364 M_HFSMNT, M_WAITOK); 365 if (hmp == NULL) { 366 error = ENOMEM; 367 goto error; 368 } 369 memset(hmp, 0, sizeof(struct hfsmount)); 370 371 mp->mnt_data = hmp; 372 mp->mnt_flag |= MNT_LOCAL; 373 vfs_getnewfsid(mp); 374 375 hmp->hm_mountp = mp; 376 hmp->hm_dev = devvp->v_rdev; 377 hmp->hm_devvp = devvp; 378 379 /* 380 * Use libhfs to open the volume and read the volume header and other 381 * useful information. 382 */ 383 384 hfslib_init_cbargs(&cbargs); 385 argsopen.cred = argsread.cred = cred; 386 argsopen.l = argsread.l = l; 387 argsopen.devvp = devvp; 388 cbargs.read = (void*)&argsread; 389 cbargs.openvol = (void*)&argsopen; 390 391 if ((error = hfslib_open_volume(devpath, mp->mnt_flag & MNT_RDONLY, 392 &hmp->hm_vol, &cbargs)) != 0) 393 goto error; 394 395 /* Make sure this is not a journaled volume whose journal is dirty. */ 396 if (!hfslib_is_journal_clean(&hmp->hm_vol)) { 397 printf("volume journal is dirty; not mounting\n"); 398 error = EIO; 399 goto error; 400 } 401 402 mp->mnt_fs_bshift = 0; 403 while ((1 << mp->mnt_fs_bshift) < hmp->hm_vol.vh.block_size) 404 mp->mnt_fs_bshift++; 405 mp->mnt_dev_bshift = DEV_BSHIFT; 406 407 return 0; 408 409 error: 410 if (hmp != NULL) 411 free(hmp, M_HFSMNT); 412 413 return error; 414 } 415 416 int 417 hfs_unmount(struct mount *mp, int mntflags) 418 { 419 hfs_callback_args cbargs; 420 hfs_libcb_argsread argsclose; 421 struct hfsmount* hmp; 422 int error; 423 int flags; 424 425 #ifdef HFS_DEBUG 426 printf("vfsop = hfs_unmount()\n"); 427 #endif /* HFS_DEBUG */ 428 429 hmp = VFSTOHFS(mp); 430 431 flags = 0; 432 if (mntflags & MNT_FORCE) 433 flags |= FORCECLOSE; 434 435 if ((error = vflush(mp, NULLVP, flags)) != 0) 436 return error; 437 438 hfslib_init_cbargs(&cbargs); 439 argsclose.l = curlwp; 440 cbargs.closevol = (void*)&argsclose; 441 hfslib_close_volume(&hmp->hm_vol, &cbargs); 442 443 vrele(hmp->hm_devvp); 444 445 free(hmp, M_HFSMNT); 446 mp->mnt_data = NULL; 447 mp->mnt_flag &= ~MNT_LOCAL; 448 449 return error; 450 } 451 452 int 453 hfs_root(struct mount *mp, struct vnode **vpp) 454 { 455 struct vnode *nvp; 456 int error; 457 458 #ifdef HFS_DEBUG 459 printf("vfsop = hfs_root()\n"); 460 #endif /* HFS_DEBUG */ 461 462 if ((error = VFS_VGET(mp, HFS_CNID_ROOT_FOLDER, &nvp)) != 0) 463 return error; 464 *vpp = nvp; 465 466 return 0; 467 } 468 469 int 470 hfs_statvfs(struct mount *mp, struct statvfs *sbp) 471 { 472 hfs_volume_header_t *vh; 473 474 #ifdef HFS_DEBUG 475 printf("vfsop = hfs_statvfs()\n"); 476 #endif /* HFS_DEBUG */ 477 478 vh = &VFSTOHFS(mp)->hm_vol.vh; 479 480 sbp->f_bsize = vh->block_size; 481 sbp->f_frsize = sbp->f_bsize; 482 sbp->f_iosize = 4096;/* mac os x uses a 4 kb io size, so do the same */ 483 sbp->f_blocks = vh->total_blocks; 484 sbp->f_bfree = vh->free_blocks; /* total free blocks */ 485 sbp->f_bavail = vh->free_blocks; /* blocks free for non superuser */ 486 sbp->f_bresvd = 0; 487 sbp->f_files = vh->file_count; /* total files */ 488 sbp->f_ffree = (1<<31) - vh->file_count; /* free file nodes */ 489 copy_statvfs_info(sbp, mp); 490 491 return 0; 492 } 493 494 int 495 hfs_sync(struct mount *mp, int waitfor, kauth_cred_t cred) 496 { 497 498 #ifdef HFS_DEBUG 499 printf("vfsop = hfs_sync()\n"); 500 #endif /* HFS_DEBUG */ 501 502 return 0; 503 } 504 505 /* 506 * an ino_t corresponds directly to a CNID in our particular case, 507 * since both are conveniently 32-bit numbers 508 */ 509 int 510 hfs_vget(struct mount *mp, ino_t ino, struct vnode **vpp) 511 { 512 return hfs_vget_internal(mp, ino, HFS_DATAFORK, vpp); 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 hfsmount *hmp; 523 struct hfsnode *hnode; 524 struct vnode *vp; 525 hfs_callback_args cbargs; 526 hfs_cnid_t cnid; 527 hfs_catalog_keyed_record_t rec; 528 hfs_catalog_key_t key; /* the search key used to find this file on disk */ 529 dev_t dev; 530 int error; 531 532 #ifdef HFS_DEBUG 533 printf("vfsop = hfs_vget()\n"); 534 #endif /* HFS_DEBUG */ 535 536 hnode = NULL; 537 vp = NULL; 538 hmp = VFSTOHFS(mp); 539 dev = hmp->hm_dev; 540 cnid = (hfs_cnid_t)ino; 541 542 if (fork != HFS_RSRCFORK) 543 fork = HFS_DATAFORK; 544 545 retry: 546 /* Check if this vnode has already been allocated. If so, just return it. */ 547 if ((*vpp = hfs_nhashget(dev, cnid, fork, LK_EXCLUSIVE)) != NULL) 548 return 0; 549 550 /* Allocate a new vnode/inode. */ 551 error = getnewvnode(VT_HFS, mp, hfs_vnodeop_p, NULL, &vp); 552 if (error) { 553 goto error; 554 } 555 hnode = malloc(sizeof(struct hfsnode), M_TEMP, 556 M_WAITOK | M_ZERO); 557 558 /* 559 * If someone beat us to it while sleeping in getnewvnode(), 560 * push back the freshly allocated vnode we don't need, and return. 561 */ 562 mutex_enter(&hfs_hashlock); 563 if (hfs_nhashget(dev, cnid, fork, 0) != NULL) { 564 mutex_exit(&hfs_hashlock); 565 ungetnewvnode(vp); 566 free(hnode, M_TEMP); 567 goto retry; 568 } 569 570 vp->v_vflag |= VV_LOCKSWORK; 571 vp->v_data = hnode; 572 genfs_node_init(vp, &hfs_genfsops); 573 574 hnode->h_vnode = vp; 575 hnode->h_hmp = hmp; 576 hnode->dummy = 0x1337BABE; 577 578 /* 579 * We need to put this vnode into the hash chain and lock it so that other 580 * requests for this inode will block if they arrive while we are sleeping 581 * waiting for old data structures to be purged or for the contents of the 582 * disk portion of this inode to be read. The hash chain requires the node's 583 * device and cnid to be known. Since this information was passed in the 584 * arguments, fill in the appropriate hfsnode fields without reading having 585 * to read the disk. 586 */ 587 hnode->h_dev = dev; 588 hnode->h_rec.u.cnid = cnid; 589 hnode->h_fork = fork; 590 591 hfs_nhashinsert(hnode); 592 mutex_exit(&hfs_hashlock); 593 594 595 /* 596 * Read catalog record from disk. 597 */ 598 hfslib_init_cbargs(&cbargs); 599 600 if (hfslib_find_catalog_record_with_cnid(&hmp->hm_vol, cnid, 601 &rec, &key, &cbargs) != 0) { 602 vput(vp); 603 error = EBADF; 604 goto error; 605 } 606 607 memcpy(&hnode->h_rec, &rec, sizeof(hnode->h_rec)); 608 hnode->h_parent = key.parent_cnid; 609 610 /* XXX Eventually need to add an "ignore permissions" mount option */ 611 612 /* 613 * Now convert some of the catalog record's fields into values that make 614 * sense on this system. 615 */ 616 /* DATE AND TIME */ 617 618 /* 619 * Initialize the vnode from the hfsnode, check for aliases. 620 * Note that the underlying vnode may change. 621 */ 622 hfs_vinit(mp, hfs_specop_p, hfs_fifoop_p, &vp); 623 624 hnode->h_devvp = hmp->hm_devvp; 625 vref(hnode->h_devvp); /* Increment the ref count to the volume's device. */ 626 627 /* Make sure UVM has allocated enough memory. (?) */ 628 if (hnode->h_rec.u.rec_type == HFS_REC_FILE) { 629 if (hnode->h_fork == HFS_DATAFORK) 630 uvm_vnp_setsize(vp, 631 hnode->h_rec.file.data_fork.logical_size); 632 else 633 uvm_vnp_setsize(vp, 634 hnode->h_rec.file.rsrc_fork.logical_size); 635 } 636 else 637 uvm_vnp_setsize(vp, 0); /* no directly reading directories */ 638 639 *vpp = vp; 640 641 return 0; 642 643 error: 644 *vpp = NULL; 645 return error; 646 } 647 648 int 649 hfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp) 650 { 651 652 #ifdef HFS_DEBUG 653 printf("vfsop = hfs_fhtovp()\n"); 654 #endif /* HFS_DEBUG */ 655 656 return EOPNOTSUPP; 657 } 658 659 int 660 hfs_vptofh(struct vnode *vp, struct fid *fhp, size_t *fh_size) 661 { 662 663 #ifdef HFS_DEBUG 664 printf("vfsop = hfs_vptofh()\n"); 665 #endif /* HFS_DEBUG */ 666 667 return EOPNOTSUPP; 668 } 669 670 void 671 hfs_init(void) 672 { 673 hfs_callbacks callbacks; 674 675 #ifdef HFS_DEBUG 676 printf("vfsop = hfs_init()\n"); 677 #endif /* HFS_DEBUG */ 678 679 malloc_type_attach(M_HFSMNT); 680 681 callbacks.error = hfs_libcb_error; 682 callbacks.allocmem = hfs_libcb_malloc; 683 callbacks.reallocmem = hfs_libcb_realloc; 684 callbacks.freemem = hfs_libcb_free; 685 callbacks.openvol = hfs_libcb_opendev; 686 callbacks.closevol = hfs_libcb_closedev; 687 callbacks.read = hfs_libcb_read; 688 689 hfs_nhashinit(); 690 hfslib_init(&callbacks); 691 } 692 693 void 694 hfs_reinit(void) 695 { 696 697 #ifdef HFS_DEBUG 698 printf("vfsop = hfs_reinit()\n"); 699 #endif /* HFS_DEBUG */ 700 701 return; 702 } 703 704 void 705 hfs_done(void) 706 { 707 708 #ifdef HFS_DEBUG 709 printf("vfsop = hfs_done()\n"); 710 #endif /* HFS_DEBUG */ 711 712 malloc_type_detach(M_HFSMNT); 713 714 hfslib_done(); 715 hfs_nhashdone(); 716 } 717 718 int 719 hfs_mountroot(void) 720 { 721 722 #ifdef HFS_DEBUG 723 printf("vfsop = hfs_mountroot()\n"); 724 #endif /* HFS_DEBUG */ 725 726 return EOPNOTSUPP; 727 } 728
Indexes created Fri Sep 26 20:09:58 GMT 2025