hfs_vfsops.c revision 1.1
1 /* $NetBSD: hfs_vfsops.c,v 1.1 2007/03/06 00:22:04 dillo 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 1.1 2007/03/06 00:22:04 dillo 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/hfsp/hfsp.h> 134 #include <fs/hfsp/libhfsp.h> 135 136 MALLOC_DEFINE(M_HFSPMNT, "hfsp mount", "hfsp mount structures"); 137 138 extern struct lock hfsp_hashlock; 139 140 const struct vnodeopv_desc * const hfsp_vnodeopv_descs[] = { 141 &hfsp_vnodeop_opv_desc, 142 &hfsp_specop_opv_desc, 143 &hfsp_fifoop_opv_desc, 144 NULL, 145 }; 146 147 struct vfsops hfsp_vfsops = { 148 MOUNT_HFSP, 149 hfsp_mount, 150 hfsp_start, 151 hfsp_unmount, 152 hfsp_root, 153 hfsp_quotactl, 154 hfsp_statvfs, 155 hfsp_sync, 156 hfsp_vget, 157 hfsp_fhtovp, 158 hfsp_vptofh, 159 hfsp_init, 160 hfsp_reinit, 161 hfsp_done, 162 NULL, /* vfs_mountroot */ 163 NULL, /* vfs_snapshot */ 164 hfsp_extattrctl, 165 NULL, /* vfs_suspendctl */ 166 hfsp_vnodeopv_descs, 167 0, 168 { NULL, NULL }, 169 }; 170 VFS_ATTACH(hfsp_vfsops); /* XXX Is this needed? */ 171 172 static const struct genfs_ops hfsp_genfsops = { 173 .gop_size = genfs_size, 174 }; 175 176 int 177 hfsp_mount(struct mount *mp, const char *path, void *data, 178 struct nameidata *ndp, struct lwp *l) 179 { 180 struct hfsp_args args; 181 struct vnode *devvp; 182 struct hfspmount *hmp; 183 int error; 184 int update; 185 mode_t accessmode; 186 187 #ifdef HFSP_DEBUG 188 printf("vfsop = hfsp_mount()\n"); 189 #endif /* HFSP_DEBUG */ 190 191 if (mp->mnt_flag & MNT_GETARGS) { 192 hmp = VFSTOHFSP(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 hfsp_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 = VFSTOHFSP(mp); 236 if (devvp != hmp->hm_devvp) 237 error = EINVAL; 238 } 239 } else { 240 if (update) { 241 /* Use the extant mount */ 242 hmp = VFSTOHFSP(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("HFSP: 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 = hfsp_mountfs(devvp, mp, l, args.fspec, args.offset)) != 0) 291 goto error; 292 293 error = set_statvfs_info(path, UIO_USERSPACE, args.fspec, UIO_SYSSPACE, 294 mp, l); 295 296 #ifdef HFSP_DEBUG 297 if(!update) { 298 char* volname; 299 300 hmp = VFSTOHFSP(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 (hfsp_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 /* HFSP_DEBUG */ 314 315 return error; 316 317 error: 318 vrele(devvp); 319 return error; 320 } 321 322 int 323 hfsp_start(struct mount *mp, int flags, struct lwp *l) 324 { 325 326 #ifdef HFSP_DEBUG 327 printf("vfsop = hfsp_start()\n"); 328 #endif /* HFSP_DEBUG */ 329 330 return 0; 331 } 332 333 int 334 hfsp_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, 335 const char *devpath, uint64_t offset) 336 { 337 hfsp_callback_args cbargs; 338 hfsp_libcb_argsopen argsopen; 339 hfsp_libcb_argsread argsread; 340 struct hfspmount *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 hfspmount*)malloc(sizeof(struct hfspmount), 350 M_HFSPMNT, M_WAITOK); 351 if (hmp == NULL) { 352 error = ENOMEM; 353 goto error; 354 } 355 memset(hmp, 0, sizeof(struct hfspmount)); 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 libhfsp to open the volume and read the volume header and other 367 * useful information. 368 */ 369 370 hfsplib_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 = hfsplib_open_volume(devpath, offset, 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 (!hfsplib_is_journal_clean(&hmp->hm_vol)) { 383 printf("volume journal is dirty; not mounting\n"); 384 error = EIO; 385 goto error; 386 } 387 388 hmp->offset = offset >> DEV_BSHIFT; 389 mp->mnt_fs_bshift = 0; 390 while ((1 << mp->mnt_fs_bshift) < hmp->hm_vol.vh.block_size) 391 mp->mnt_fs_bshift++; 392 mp->mnt_dev_bshift = DEV_BSHIFT; 393 394 return 0; 395 396 error: 397 if (hmp != NULL) 398 free(hmp, M_HFSPMNT); 399 400 return error; 401 } 402 403 int 404 hfsp_unmount(struct mount *mp, int mntflags, struct lwp *l) 405 { 406 hfsp_callback_args cbargs; 407 hfsp_libcb_argsread argsclose; 408 struct hfspmount* hmp; 409 int error; 410 int flags; 411 412 #ifdef HFSP_DEBUG 413 printf("vfsop = hfsp_unmount()\n"); 414 #endif /* HFSP_DEBUG */ 415 416 hmp = VFSTOHFSP(mp); 417 418 flags = 0; 419 if (mntflags & MNT_FORCE) 420 flags |= FORCECLOSE; 421 422 if ((error = vflush(mp, NULLVP, flags)) != 0) 423 return error; 424 425 hfsplib_init_cbargs(&cbargs); 426 argsclose.l = l; 427 cbargs.closevol = (void*)&argsclose; 428 hfsplib_close_volume(&hmp->hm_vol, &cbargs); 429 430 vput(hmp->hm_devvp); 431 432 free(hmp, M_HFSPMNT); 433 mp->mnt_data = NULL; 434 mp->mnt_flag &= ~MNT_LOCAL; 435 436 return error; 437 } 438 439 int 440 hfsp_root(struct mount *mp, struct vnode **vpp) 441 { 442 struct vnode *nvp; 443 int error; 444 445 #ifdef HFSP_DEBUG 446 printf("vfsop = hfsp_root()\n"); 447 #endif /* HFSP_DEBUG */ 448 449 if ((error = VFS_VGET(mp, HFSP_CNID_ROOT_FOLDER, &nvp)) != 0) 450 return error; 451 *vpp = nvp; 452 453 return 0; 454 } 455 456 int 457 hfsp_quotactl(struct mount *mp, int cmds, uid_t uid, void *arg, 458 struct lwp *l) 459 { 460 461 #ifdef HFSP_DEBUG 462 printf("vfsop = hfsp_quotactl()\n"); 463 #endif /* HFSP_DEBUG */ 464 465 return EOPNOTSUPP; 466 } 467 468 int 469 hfsp_statvfs(struct mount *mp, struct statvfs *sbp, struct lwp *l) 470 { 471 hfsp_volume_header_t *vh; 472 473 #ifdef HFSP_DEBUG 474 printf("vfsop = hfsp_statvfs()\n"); 475 #endif /* HFSP_DEBUG */ 476 477 vh = &VFSTOHFSP(mp)->hm_vol.vh; 478 479 sbp->f_bsize = vh->block_size; 480 sbp->f_frsize = sbp->f_bsize; 481 sbp->f_iosize = 4096;/* mac os x uses a 4 kb io size, so do the same */ 482 sbp->f_blocks = vh->total_blocks; 483 sbp->f_bfree = vh->free_blocks; /* total free blocks */ 484 sbp->f_bavail = vh->free_blocks; /* blocks free for non superuser */ 485 sbp->f_bresvd = 0; 486 sbp->f_files = vh->file_count; /* total files */ 487 sbp->f_ffree = (1<<31) - vh->file_count; /* free file nodes */ 488 copy_statvfs_info(sbp, mp); 489 490 return 0; 491 } 492 493 int 494 hfsp_sync(struct mount *mp, int waitfor, kauth_cred_t cred, struct lwp *l) 495 { 496 497 #ifdef HFSP_DEBUG 498 printf("vfsop = hfsp_sync()\n"); 499 #endif /* HFSP_DEBUG */ 500 501 return 0; 502 } 503 504 /* 505 * an ino_t corresponds directly to a CNID in our particular case, 506 * since both are conveniently 32-bit numbers 507 */ 508 int 509 hfsp_vget(struct mount *mp, ino_t ino, struct vnode **vpp) 510 { 511 return hfsp_vget_internal(mp, ino, HFSP_DATAFORK, vpp); 512 } 513 514 /* 515 * internal version with extra arguments to allow accessing resource fork 516 */ 517 int 518 hfsp_vget_internal(struct mount *mp, ino_t ino, uint8_t fork, 519 struct vnode **vpp) 520 { 521 struct hfspmount *hmp; 522 struct hfspnode *hnode; 523 struct vnode *vp; 524 hfsp_callback_args cbargs; 525 hfsp_cnid_t cnid; 526 hfsp_catalog_keyed_record_t rec; 527 hfsp_catalog_key_t key; /* the search key used to find this file on disk */ 528 dev_t dev; 529 int error; 530 531 #ifdef HFSP_DEBUG 532 printf("vfsop = hfsp_vget()\n"); 533 #endif /* HFSP_DEBUG */ 534 535 hnode = NULL; 536 vp = NULL; 537 hmp = VFSTOHFSP(mp); 538 dev = hmp->hm_dev; 539 cnid = (hfsp_cnid_t)ino; 540 541 if (fork != HFSP_RSRCFORK) 542 fork = HFSP_DATAFORK; 543 544 /* Check if this vnode has already been allocated. If so, just return it. */ 545 if ((*vpp = hfsp_nhashget(dev, cnid, fork, LK_EXCLUSIVE)) != NULL) 546 return 0; 547 548 /* Allocate a new vnode/inode. */ 549 if ((error = getnewvnode(VT_HFSP, mp, hfsp_vnodeop_p, &vp)) != 0) 550 goto error; 551 552 /* 553 * If someone beat us to it while sleeping in getnewvnode(), 554 * push back the freshly allocated vnode we don't need, and return. 555 */ 556 557 do { 558 if ((*vpp = hfsp_nhashget(dev, cnid, fork, LK_EXCLUSIVE)) 559 != NULL) { 560 ungetnewvnode(vp); 561 return 0; 562 } 563 } while (lockmgr(&hfsp_hashlock, LK_EXCLUSIVE|LK_SLEEPFAIL, 0)); 564 565 vp->v_flag |= VLOCKSWORK; 566 567 MALLOC(hnode, struct hfspnode *, sizeof(struct hfspnode), M_TEMP, 568 M_WAITOK + M_ZERO); 569 vp->v_data = hnode; 570 571 hnode->h_vnode = vp; 572 hnode->h_hmp = hmp; 573 hnode->dummy = 0x1337BABE; 574 575 /* 576 * We need to put this vnode into the hash chain and lock it so that other 577 * requests for this inode will block if they arrive while we are sleeping 578 * waiting for old data structures to be purged or for the contents of the 579 * disk portion of this inode to be read. The hash chain requires the node's 580 * device and cnid to be known. Since this information was passed in the 581 * arguments, fill in the appropriate hfspnode fields without reading having 582 * to read the disk. 583 */ 584 hnode->h_dev = dev; 585 hnode->h_rec.cnid = cnid; 586 hnode->h_fork = fork; 587 588 hfsp_nhashinsert(hnode); 589 lockmgr(&hfsp_hashlock, LK_RELEASE, 0); 590 591 592 /* 593 * Read catalog record from disk. 594 */ 595 hfsplib_init_cbargs(&cbargs); 596 597 if (hfsplib_find_catalog_record_with_cnid(&hmp->hm_vol, cnid, 598 &rec, &key, &cbargs) != 0) { 599 vput(vp); 600 error = EBADF; 601 goto error; 602 } 603 604 memcpy(&hnode->h_rec, &rec, sizeof(hnode->h_rec)); 605 hnode->h_parent = key.parent_cnid; 606 607 /* XXX Eventually need to add an "ignore permissions" mount option */ 608 609 /* 610 * Now convert some of the catalog record's fields into values that make 611 * sense on this system. 612 */ 613 /* DATE AND TIME */ 614 615 /* 616 * Initialize the vnode from the hfspnode, check for aliases. 617 * Note that the underlying vnode may have changed. 618 */ 619 620 hfsp_vinit(mp, hfsp_specop_p, hfsp_fifoop_p, &vp); 621 622 genfs_node_init(vp, &hfsp_genfsops); 623 hnode->h_devvp = hmp->hm_devvp; 624 VREF(hnode->h_devvp); /* Increment the ref count to the volume's device. */ 625 626 /* Make sure UVM has allocated enough memory. (?) */ 627 if (hnode->h_rec.rec_type == HFSP_REC_FILE) { 628 if (hnode->h_fork == HFSP_DATAFORK) 629 uvm_vnp_setsize(vp, 630 hnode->h_rec.file.data_fork.logical_size); 631 else 632 uvm_vnp_setsize(vp, 633 hnode->h_rec.file.rsrc_fork.logical_size); 634 } 635 else 636 uvm_vnp_setsize(vp, 0); /* no directly reading directories */ 637 638 *vpp = vp; 639 640 return 0; 641 642 error: 643 *vpp = NULL; 644 return error; 645 } 646 647 int 648 hfsp_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp) 649 { 650 651 #ifdef HFSP_DEBUG 652 printf("vfsop = hfsp_fhtovp()\n"); 653 #endif /* HFSP_DEBUG */ 654 655 return EOPNOTSUPP; 656 } 657 658 int 659 hfsp_vptofh(struct vnode *vp, struct fid *fhp, size_t *fh_size) 660 { 661 662 #ifdef HFSP_DEBUG 663 printf("vfsop = hfsp_vptofh()\n"); 664 #endif /* HFSP_DEBUG */ 665 666 return EOPNOTSUPP; 667 } 668 669 void 670 hfsp_init(void) 671 { 672 hfsp_callbacks callbacks; 673 674 #ifdef HFSP_DEBUG 675 printf("vfsop = hfsp_init()\n"); 676 #endif /* HFSP_DEBUG */ 677 678 #ifdef _LKM 679 malloc_type_attach(M_HFSPMNT); 680 #endif 681 682 callbacks.error = hfsp_libcb_error; 683 callbacks.allocmem = hfsp_libcb_malloc; 684 callbacks.reallocmem = hfsp_libcb_realloc; 685 callbacks.freemem = hfsp_libcb_free; 686 callbacks.openvol = hfsp_libcb_opendev; 687 callbacks.closevol = hfsp_libcb_closedev; 688 callbacks.read = hfsp_libcb_read; 689 690 hfsp_nhashinit(); 691 hfsplib_init(&callbacks); 692 } 693 694 void 695 hfsp_reinit(void) 696 { 697 698 #ifdef HFSP_DEBUG 699 printf("vfsop = hfsp_reinit()\n"); 700 #endif /* HFSP_DEBUG */ 701 702 return; 703 } 704 705 void 706 hfsp_done(void) 707 { 708 709 #ifdef HFSP_DEBUG 710 printf("vfsop = hfsp_done()\n"); 711 #endif /* HFSP_DEBUG */ 712 713 #ifdef _LKM 714 malloc_type_detach(M_HFSPMNT); 715 #endif 716 717 hfsplib_done(); 718 hfsp_nhashdone(); 719 } 720 721 int 722 hfsp_mountroot(void) 723 { 724 725 #ifdef HFSP_DEBUG 726 printf("vfsop = hfsp_mountroot()\n"); 727 #endif /* HFSP_DEBUG */ 728 729 return EOPNOTSUPP; 730 } 731 732 int hfsp_extattrctl(struct mount *mp, int cmd, struct vnode *vp, 733 int attrnamespace, const char *attrname, struct lwp *l) 734 { 735 736 #ifdef HFSP_DEBUG 737 printf("vfsop = hfsp_checkexp()\n"); 738 #endif /* HFSP_DEBUG */ 739 740 return EOPNOTSUPP; 741 } 742
Indexes created Tue Sep 23 23:09:58 GMT 2025