hfs_vfsops.c revision 1.5
1 /* $NetBSD: hfs_vfsops.c,v 1.5 2007/06/30 09:37:55 pooka 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 1.5 2007/06/30 09:37:55 pooka 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> 130 131 #include <miscfs/specfs/specdev.h> 132 133 #include <fs/hfs/hfs.h> 134 #include <fs/hfs/libhfs.h> 135 136 MALLOC_JUSTDEFINE(M_HFSMNT, "hfs mount", "hfs mount structures"); 137 138 extern struct lock hfs_hashlock; 139 140 const struct vnodeopv_desc * const hfs_vnodeopv_descs[] = { 141 &hfs_vnodeop_opv_desc, 142 &hfs_specop_opv_desc, 143 &hfs_fifoop_opv_desc, 144 NULL, 145 }; 146 147 struct vfsops hfs_vfsops = { 148 MOUNT_HFS, 149 hfs_mount, 150 hfs_start, 151 hfs_unmount, 152 hfs_root, 153 hfs_quotactl, 154 hfs_statvfs, 155 hfs_sync, 156 hfs_vget, 157 hfs_fhtovp, 158 hfs_vptofh, 159 hfs_init, 160 hfs_reinit, 161 hfs_done, 162 NULL, /* vfs_mountroot */ 163 NULL, /* vfs_snapshot */ 164 hfs_extattrctl, 165 NULL, /* vfs_suspendctl */ 166 hfs_vnodeopv_descs, 167 0, 168 { NULL, NULL }, 169 }; 170 VFS_ATTACH(hfs_vfsops); /* XXX Is this needed? */ 171 172 static const struct genfs_ops hfs_genfsops = { 173 .gop_size = genfs_size, 174 }; 175 176 int 177 hfs_mount(struct mount *mp, const char *path, void *data, 178 struct nameidata *ndp, struct lwp *l) 179 { 180 struct hfs_args args; 181 struct vnode *devvp; 182 struct hfsmount *hmp; 183 int error; 184 int update; 185 mode_t accessmode; 186 187 #ifdef HFS_DEBUG 188 printf("vfsop = hfs_mount()\n"); 189 #endif /* HFS_DEBUG */ 190 191 if (mp->mnt_flag & MNT_GETARGS) { 192 hmp = VFSTOHFS(mp); 193 if (hmp == NULL) 194 return EIO; 195 args.fspec = NULL; 196 return copyout(&args, data, sizeof(args)); 197 } 198 199 if (data == NULL) 200 return EINVAL; 201 202 if ((error = copyin(data, &args, sizeof (struct hfs_args))) != 0) 203 return error; 204 205 /* FIXME: For development ONLY - disallow remounting for now */ 206 #if 0 207 update = mp->mnt_flag & MNT_UPDATE; 208 #else 209 update = 0; 210 #endif 211 212 /* Check arguments */ 213 if (args.fspec != NULL) { 214 /* 215 * Look up the name and verify that it's sane. 216 */ 217 NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, l); 218 if ((error = namei(ndp)) != 0) 219 return error; 220 devvp = ndp->ni_vp; 221 222 if (!update) { 223 /* 224 * Be sure this is a valid block device 225 */ 226 if (devvp->v_type != VBLK) 227 error = ENOTBLK; 228 else if (bdevsw_lookup(devvp->v_rdev) == NULL) 229 error = ENXIO; 230 } else { 231 /* 232 * Be sure we're still naming the same device 233 * used for our initial mount 234 */ 235 hmp = VFSTOHFS(mp); 236 if (devvp != hmp->hm_devvp) 237 error = EINVAL; 238 } 239 } else { 240 if (update) { 241 /* Use the extant mount */ 242 hmp = VFSTOHFS(mp); 243 devvp = hmp->hm_devvp; 244 vref(devvp); 245 } else { 246 /* New mounts must have a filename for the device */ 247 return EINVAL; 248 } 249 } 250 251 252 /* 253 * If mount by non-root, then verify that user has necessary 254 * permissions on the device. 255 */ 256 if (error == 0 && kauth_authorize_generic(l->l_cred, 257 KAUTH_GENERIC_ISSUSER, NULL) != 0) { 258 accessmode = VREAD; 259 if (update ? 260 (mp->mnt_iflag & IMNT_WANTRDWR) != 0 : 261 (mp->mnt_flag & MNT_RDONLY) == 0) 262 accessmode |= VWRITE; 263 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 264 error = VOP_ACCESS(devvp, accessmode, l->l_cred, l); 265 VOP_UNLOCK(devvp, 0); 266 } 267 268 if (error != 0) 269 goto error; 270 271 if (update) { 272 printf("HFS: live remounting not yet supported!\n"); 273 error = EINVAL; 274 goto error; 275 } 276 277 /* 278 * Disallow multiple mounts of the same device. 279 * Disallow mounting of a device that is currently in use 280 * (except for root, which might share swap device for miniroot). 281 * Flush out any old buffers remaining from a previous use. 282 */ 283 if ((error = vfs_mountedon(devvp)) != 0) 284 goto error; 285 if (vcount(devvp) > 1 && devvp != rootvp) { 286 error = EBUSY; 287 goto error; 288 } 289 290 if ((error = hfs_mountfs(devvp, mp, l, args.fspec)) != 0) 291 goto error; 292 293 error = set_statvfs_info(path, UIO_USERSPACE, args.fspec, UIO_USERSPACE, 294 mp, l); 295 296 #ifdef HFS_DEBUG 297 if(!update) { 298 char* volname; 299 300 hmp = VFSTOHFS(mp); 301 volname = malloc(hmp->hm_vol.name.length + 1, M_TEMP, M_WAITOK); 302 if (volname == NULL) 303 printf("could not allocate volname; ignored\n"); 304 else { 305 if (hfs_unicode_to_ascii(hmp->hm_vol.name.unicode, 306 hmp->hm_vol.name.length, volname) == NULL) 307 printf("could not convert volume name to ascii; ignored\n"); 308 else 309 printf("mounted volume \"%s\"\n", volname); 310 free(volname, M_TEMP); 311 } 312 } 313 #endif /* HFS_DEBUG */ 314 315 return error; 316 317 error: 318 vrele(devvp); 319 return error; 320 } 321 322 int 323 hfs_start(struct mount *mp, int flags, struct lwp *l) 324 { 325 326 #ifdef HFS_DEBUG 327 printf("vfsop = hfs_start()\n"); 328 #endif /* HFS_DEBUG */ 329 330 return 0; 331 } 332 333 int 334 hfs_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, 335 const char *devpath) 336 { 337 hfs_callback_args cbargs; 338 hfs_libcb_argsopen argsopen; 339 hfs_libcb_argsread argsread; 340 struct hfsmount *hmp; 341 kauth_cred_t cred; 342 int error; 343 344 cred = l ? l->l_cred : NOCRED; 345 error = 0; 346 hmp = NULL; 347 348 /* Create mounted volume structure. */ 349 hmp = (struct hfsmount*)malloc(sizeof(struct hfsmount), 350 M_HFSMNT, M_WAITOK); 351 if (hmp == NULL) { 352 error = ENOMEM; 353 goto error; 354 } 355 memset(hmp, 0, sizeof(struct hfsmount)); 356 357 mp->mnt_data = hmp; 358 mp->mnt_flag |= MNT_LOCAL; 359 vfs_getnewfsid(mp); 360 361 hmp->hm_mountp = mp; 362 hmp->hm_dev = devvp->v_rdev; 363 hmp->hm_devvp = devvp; 364 365 /* 366 * Use libhfs to open the volume and read the volume header and other 367 * useful information. 368 */ 369 370 hfslib_init_cbargs(&cbargs); 371 argsopen.cred = argsread.cred = cred; 372 argsopen.l = argsread.l = l; 373 argsopen.devvp = devvp; 374 cbargs.read = (void*)&argsread; 375 cbargs.openvol = (void*)&argsopen; 376 377 if ((error = hfslib_open_volume(devpath, mp->mnt_flag & MNT_RDONLY, 378 &hmp->hm_vol, &cbargs)) != 0) 379 goto error; 380 381 /* Make sure this is not a journaled volume whose journal is dirty. */ 382 if (!hfslib_is_journal_clean(&hmp->hm_vol)) { 383 printf("volume journal is dirty; not mounting\n"); 384 error = EIO; 385 goto error; 386 } 387 388 mp->mnt_fs_bshift = 0; 389 while ((1 << mp->mnt_fs_bshift) < hmp->hm_vol.vh.block_size) 390 mp->mnt_fs_bshift++; 391 mp->mnt_dev_bshift = DEV_BSHIFT; 392 393 return 0; 394 395 error: 396 if (hmp != NULL) 397 free(hmp, M_HFSMNT); 398 399 return error; 400 } 401 402 int 403 hfs_unmount(struct mount *mp, int mntflags, struct lwp *l) 404 { 405 hfs_callback_args cbargs; 406 hfs_libcb_argsread argsclose; 407 struct hfsmount* hmp; 408 int error; 409 int flags; 410 411 #ifdef HFS_DEBUG 412 printf("vfsop = hfs_unmount()\n"); 413 #endif /* HFS_DEBUG */ 414 415 hmp = VFSTOHFS(mp); 416 417 flags = 0; 418 if (mntflags & MNT_FORCE) 419 flags |= FORCECLOSE; 420 421 if ((error = vflush(mp, NULLVP, flags)) != 0) 422 return error; 423 424 hfslib_init_cbargs(&cbargs); 425 argsclose.l = l; 426 cbargs.closevol = (void*)&argsclose; 427 hfslib_close_volume(&hmp->hm_vol, &cbargs); 428 429 vput(hmp->hm_devvp); 430 431 free(hmp, M_HFSMNT); 432 mp->mnt_data = NULL; 433 mp->mnt_flag &= ~MNT_LOCAL; 434 435 return error; 436 } 437 438 int 439 hfs_root(struct mount *mp, struct vnode **vpp) 440 { 441 struct vnode *nvp; 442 int error; 443 444 #ifdef HFS_DEBUG 445 printf("vfsop = hfs_root()\n"); 446 #endif /* HFS_DEBUG */ 447 448 if ((error = VFS_VGET(mp, HFS_CNID_ROOT_FOLDER, &nvp)) != 0) 449 return error; 450 *vpp = nvp; 451 452 return 0; 453 } 454 455 int 456 hfs_quotactl(struct mount *mp, int cmds, uid_t uid, void *arg, 457 struct lwp *l) 458 { 459 460 #ifdef HFS_DEBUG 461 printf("vfsop = hfs_quotactl()\n"); 462 #endif /* HFS_DEBUG */ 463 464 return EOPNOTSUPP; 465 } 466 467 int 468 hfs_statvfs(struct mount *mp, struct statvfs *sbp, struct lwp *l) 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, struct lwp *l) 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 /* Check if this vnode has already been allocated. If so, just return it. */ 544 if ((*vpp = hfs_nhashget(dev, cnid, fork, LK_EXCLUSIVE)) != NULL) 545 return 0; 546 547 /* Allocate a new vnode/inode. */ 548 if ((error = getnewvnode(VT_HFS, mp, hfs_vnodeop_p, &vp)) != 0) 549 goto error; 550 551 /* 552 * If someone beat us to it while sleeping in getnewvnode(), 553 * push back the freshly allocated vnode we don't need, and return. 554 */ 555 556 do { 557 if ((*vpp = hfs_nhashget(dev, cnid, fork, LK_EXCLUSIVE)) 558 != NULL) { 559 ungetnewvnode(vp); 560 return 0; 561 } 562 } while (lockmgr(&hfs_hashlock, LK_EXCLUSIVE|LK_SLEEPFAIL, 0)); 563 564 vp->v_flag |= VLOCKSWORK; 565 566 MALLOC(hnode, struct hfsnode *, sizeof(struct hfsnode), M_TEMP, 567 M_WAITOK + M_ZERO); 568 vp->v_data = hnode; 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.cnid = cnid; 585 hnode->h_fork = fork; 586 587 hfs_nhashinsert(hnode); 588 lockmgr(&hfs_hashlock, LK_RELEASE, 0); 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 have changed. 617 */ 618 619 hfs_vinit(mp, hfs_specop_p, hfs_fifoop_p, &vp); 620 621 genfs_node_init(vp, &hfs_genfsops); 622 hnode->h_devvp = hmp->hm_devvp; 623 VREF(hnode->h_devvp); /* Increment the ref count to the volume's device. */ 624 625 /* Make sure UVM has allocated enough memory. (?) */ 626 if (hnode->h_rec.rec_type == HFS_REC_FILE) { 627 if (hnode->h_fork == HFS_DATAFORK) 628 uvm_vnp_setsize(vp, 629 hnode->h_rec.file.data_fork.logical_size); 630 else 631 uvm_vnp_setsize(vp, 632 hnode->h_rec.file.rsrc_fork.logical_size); 633 } 634 else 635 uvm_vnp_setsize(vp, 0); /* no directly reading directories */ 636 637 *vpp = vp; 638 639 return 0; 640 641 error: 642 *vpp = NULL; 643 return error; 644 } 645 646 int 647 hfs_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp) 648 { 649 650 #ifdef HFS_DEBUG 651 printf("vfsop = hfs_fhtovp()\n"); 652 #endif /* HFS_DEBUG */ 653 654 return EOPNOTSUPP; 655 } 656 657 int 658 hfs_vptofh(struct vnode *vp, struct fid *fhp, size_t *fh_size) 659 { 660 661 #ifdef HFS_DEBUG 662 printf("vfsop = hfs_vptofh()\n"); 663 #endif /* HFS_DEBUG */ 664 665 return EOPNOTSUPP; 666 } 667 668 void 669 hfs_init(void) 670 { 671 hfs_callbacks callbacks; 672 673 #ifdef HFS_DEBUG 674 printf("vfsop = hfs_init()\n"); 675 #endif /* HFS_DEBUG */ 676 677 malloc_type_attach(M_HFSMNT); 678 679 callbacks.error = hfs_libcb_error; 680 callbacks.allocmem = hfs_libcb_malloc; 681 callbacks.reallocmem = hfs_libcb_realloc; 682 callbacks.freemem = hfs_libcb_free; 683 callbacks.openvol = hfs_libcb_opendev; 684 callbacks.closevol = hfs_libcb_closedev; 685 callbacks.read = hfs_libcb_read; 686 687 hfs_nhashinit(); 688 hfslib_init(&callbacks); 689 } 690 691 void 692 hfs_reinit(void) 693 { 694 695 #ifdef HFS_DEBUG 696 printf("vfsop = hfs_reinit()\n"); 697 #endif /* HFS_DEBUG */ 698 699 return; 700 } 701 702 void 703 hfs_done(void) 704 { 705 706 #ifdef HFS_DEBUG 707 printf("vfsop = hfs_done()\n"); 708 #endif /* HFS_DEBUG */ 709 710 malloc_type_detach(M_HFSMNT); 711 712 hfslib_done(); 713 hfs_nhashdone(); 714 } 715 716 int 717 hfs_mountroot(void) 718 { 719 720 #ifdef HFS_DEBUG 721 printf("vfsop = hfs_mountroot()\n"); 722 #endif /* HFS_DEBUG */ 723 724 return EOPNOTSUPP; 725 } 726 727 int hfs_extattrctl(struct mount *mp, int cmd, struct vnode *vp, 728 int attrnamespace, const char *attrname, struct lwp *l) 729 { 730 731 #ifdef HFS_DEBUG 732 printf("vfsop = hfs_checkexp()\n"); 733 #endif /* HFS_DEBUG */ 734 735 return EOPNOTSUPP; 736 } 737
Indexes created Wed Sep 24 05:09:52 GMT 2025