Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/fs/hpfs/hpfs_vfsops.c
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1 /*- 2 * Copyright (c) 1998, 1999 Semen Ustimenko (semenu@FreeBSD.org) 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 30 #include <sys/param.h> 31 #include <sys/systm.h> 32 #include <sys/namei.h> 33 #include <sys/conf.h> 34 #include <sys/proc.h> 35 #include <sys/kernel.h> 36 #include <sys/vnode.h> 37 #include <sys/mount.h> 38 #include <sys/buf.h> 39 #include <sys/fcntl.h> 40 #include <sys/malloc.h> 41 42 #include <vm/vm.h> 43 #include <vm/vm_param.h> 44 #if defined(__NetBSD__) 45 #include <vm/vm_prot.h> 46 #endif 47 #include <vm/vm_page.h> 48 #include <vm/vm_object.h> 49 #include <vm/vm_extern.h> 50 51 #if defined(__NetBSD__) 52 #include <miscfs/specfs/specdev.h> 53 #endif 54 55 #include <fs/hpfs/hpfs.h> 56 #include <fs/hpfs/hpfsmount.h> 57 #include <fs/hpfs/hpfs_subr.h> 58 59 #if defined(__FreeBSD__) 60 MALLOC_DEFINE(M_HPFSMNT, "HPFS mount", "HPFS mount structure"); 61 MALLOC_DEFINE(M_HPFSNO, "HPFS node", "HPFS node structure"); 62 #endif 63 64 static int hpfs_root __P((struct mount *, struct vnode **)); 65 static int hpfs_statfs __P((struct mount *, struct statfs *, 66 struct proc *)); 67 static int hpfs_unmount __P((struct mount *, int, struct proc *)); 68 static int hpfs_vget __P((struct mount *mp, ino_t ino, 69 struct vnode **vpp)); 70 static int hpfs_mountfs __P((register struct vnode *, struct mount *, 71 struct hpfs_args *, struct proc *)); 72 static int hpfs_vptofh __P((struct vnode *, struct fid *)); 73 static int hpfs_fhtovp __P((struct mount *, struct fid *, 74 struct vnode **)); 75 76 #if !defined(__FreeBSD__) 77 static int hpfs_quotactl __P((struct mount *, int, uid_t, caddr_t, 78 struct proc *)); 79 static int hpfs_start __P((struct mount *, int, struct proc *)); 80 static int hpfs_sync __P((struct mount *, int, struct ucred *, 81 struct proc *)); 82 #endif 83 84 #if defined(__FreeBSD__) 85 struct sockaddr; 86 static int hpfs_mount __P((struct mount *, char *, caddr_t, 87 struct nameidata *, struct proc *)); 88 static int hpfs_init __P((struct vfsconf *)); 89 static int hpfs_checkexp __P((struct mount *, struct sockaddr *, 90 int *, struct ucred **)); 91 #else /* defined(__NetBSD__) */ 92 static int hpfs_mount __P((struct mount *, const char *, void *, 93 struct nameidata *, struct proc *)); 94 static void hpfs_init __P((void)); 95 static int hpfs_mountroot __P((void)); 96 static int hpfs_sysctl __P((int *, u_int, void *, size_t *, void *, 97 size_t, struct proc *)); 98 static int hpfs_checkexp __P((struct mount *, struct mbuf *, 99 int *, struct ucred **)); 100 #endif 101 102 /*ARGSUSED*/ 103 static int 104 hpfs_checkexp(mp, nam, exflagsp, credanonp) 105 #if defined(__FreeBSD__) 106 register struct mount *mp; 107 struct sockaddr *nam; 108 int *exflagsp; 109 struct ucred **credanonp; 110 #else /* defined(__NetBSD__) */ 111 register struct mount *mp; 112 struct mbuf *nam; 113 int *exflagsp; 114 struct ucred **credanonp; 115 #endif 116 { 117 register struct netcred *np; 118 register struct hpfsmount *hpm = VFSTOHPFS(mp); 119 120 /* 121 * Get the export permission structure for this <mp, client> tuple. 122 */ 123 np = vfs_export_lookup(mp, &hpm->hpm_export, nam); 124 if (np == NULL) 125 return (EACCES); 126 127 *exflagsp = np->netc_exflags; 128 *credanonp = &np->netc_anon; 129 return (0); 130 } 131 132 #if !defined(__FreeBSD__) 133 /*ARGSUSED*/ 134 static int 135 hpfs_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 136 int *name; 137 u_int namelen; 138 void *oldp; 139 size_t *oldlenp; 140 void *newp; 141 size_t newlen; 142 struct proc *p; 143 { 144 return (EINVAL); 145 } 146 147 static int 148 hpfs_mountroot() 149 { 150 return (EINVAL); 151 } 152 #endif 153 154 #if defined(__FreeBSD__) 155 static int 156 hpfs_init ( 157 struct vfsconf *vcp ) 158 #else /* defined(__NetBSD__) */ 159 static void 160 hpfs_init () 161 #endif 162 { 163 dprintf(("hpfs_init():\n")); 164 165 hpfs_hphashinit(); 166 #if defined(__FreeBSD__) 167 return 0; 168 #endif 169 } 170 171 static int 172 hpfs_mount ( 173 struct mount *mp, 174 #if defined(__FreeBSD__) 175 char *path, 176 caddr_t data, 177 #else /* defined(__NetBSD__) */ 178 const char *path, 179 void *data, 180 #endif 181 struct nameidata *ndp, 182 struct proc *p ) 183 { 184 u_int size; 185 int err = 0; 186 struct vnode *devvp; 187 struct hpfs_args args; 188 struct hpfsmount *hpmp = 0; 189 190 dprintf(("hpfs_mount():\n")); 191 /* 192 *** 193 * Mounting non-root file system or updating a file system 194 *** 195 */ 196 197 /* copy in user arguments*/ 198 err = copyin(data, (caddr_t)&args, sizeof (struct hpfs_args)); 199 if (err) 200 goto error_1; /* can't get arguments*/ 201 202 /* 203 * If updating, check whether changing from read-only to 204 * read/write; if there is no device name, that's all we do. 205 */ 206 if (mp->mnt_flag & MNT_UPDATE) { 207 dprintf(("hpfs_mount: MNT_UPDATE: ")); 208 209 hpmp = VFSTOHPFS(mp); 210 211 if (args.fspec == 0) { 212 dprintf(("export 0x%x\n",args.export.ex_flags)); 213 err = vfs_export(mp, &hpmp->hpm_export, &args.export); 214 if (err) { 215 printf("hpfs_mount: vfs_export failed %d\n", 216 err); 217 } 218 goto success; 219 } else { 220 dprintf(("name [FAILED]\n")); 221 err = EINVAL; 222 goto success; 223 } 224 dprintf(("\n")); 225 } 226 227 /* 228 * Not an update, or updating the name: look up the name 229 * and verify that it refers to a sensible block device. 230 */ 231 NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p); 232 err = namei(ndp); 233 if (err) { 234 /* can't get devvp!*/ 235 goto error_1; 236 } 237 238 devvp = ndp->ni_vp; 239 240 #if defined(__FreeBSD__) 241 if (!vn_isdisk(devvp, &err)) 242 goto error_2; 243 #else /* defined(__NetBSD__) */ 244 if (devvp->v_type != VBLK) { 245 err = ENOTBLK; 246 goto error_2; 247 } 248 if (major(devvp->v_rdev) >= nblkdev) { 249 err = ENXIO; 250 goto error_2; 251 } 252 #endif 253 254 /* 255 ******************** 256 * NEW MOUNT 257 ******************** 258 */ 259 260 /* 261 * Since this is a new mount, we want the names for 262 * the device and the mount point copied in. If an 263 * error occurs, the mountpoint is discarded by the 264 * upper level code. 265 */ 266 /* Save "last mounted on" info for mount point (NULL pad)*/ 267 copyinstr( path, /* mount point*/ 268 mp->mnt_stat.f_mntonname, /* save area*/ 269 MNAMELEN - 1, /* max size*/ 270 &size); /* real size*/ 271 bzero( mp->mnt_stat.f_mntonname + size, MNAMELEN - size); 272 273 /* Save "mounted from" info for mount point (NULL pad)*/ 274 copyinstr( args.fspec, /* device name*/ 275 mp->mnt_stat.f_mntfromname, /* save area*/ 276 MNAMELEN - 1, /* max size*/ 277 &size); /* real size*/ 278 bzero( mp->mnt_stat.f_mntfromname + size, MNAMELEN - size); 279 280 err = hpfs_mountfs(devvp, mp, &args, p); 281 if (err) 282 goto error_2; 283 284 /* 285 * Initialize FS stat information in mount struct; uses both 286 * mp->mnt_stat.f_mntonname and mp->mnt_stat.f_mntfromname 287 * 288 * This code is common to root and non-root mounts 289 */ 290 (void)VFS_STATFS(mp, &mp->mnt_stat, p); 291 292 goto success; 293 294 295 error_2: /* error with devvp held*/ 296 297 /* release devvp before failing*/ 298 vrele(devvp); 299 300 error_1: /* no state to back out*/ 301 302 success: 303 return( err); 304 } 305 306 /* 307 * Common code for mount and mountroot 308 */ 309 int 310 hpfs_mountfs(devvp, mp, argsp, p) 311 register struct vnode *devvp; 312 struct mount *mp; 313 struct hpfs_args *argsp; 314 struct proc *p; 315 { 316 int error, ncount, ronly; 317 struct sublock *sup; 318 struct spblock *spp; 319 struct hpfsmount *hpmp; 320 struct buf *bp = NULL; 321 struct vnode *vp; 322 dev_t dev = devvp->v_rdev; 323 324 dprintf(("hpfs_mountfs():\n")); 325 /* 326 * Disallow multiple mounts of the same device. 327 * Disallow mounting of a device that is currently in use 328 * (except for root, which might share swap device for miniroot). 329 * Flush out any old buffers remaining from a previous use. 330 */ 331 error = vfs_mountedon(devvp); 332 if (error) 333 return (error); 334 ncount = vcount(devvp); 335 #if defined(__FreeBSD__) 336 if (devvp->v_object) 337 ncount -= 1; 338 #endif 339 if (ncount > 1 && devvp != rootvp) 340 return (EBUSY); 341 342 #if defined(__FreeBSD__) 343 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, p); 344 error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0); 345 VOP__UNLOCK(devvp, 0, p); 346 #else 347 error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0); 348 #endif 349 if (error) 350 return (error); 351 352 ronly = (mp->mnt_flag & MNT_RDONLY) != 0; 353 VN_LOCK(devvp, LK_EXCLUSIVE | LK_RETRY, p); 354 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, p); 355 VOP__UNLOCK(devvp, 0, p); 356 if (error) 357 return (error); 358 359 /* 360 * Do actual mount 361 */ 362 hpmp = malloc(sizeof(struct hpfsmount), M_HPFSMNT, M_WAITOK); 363 bzero(hpmp, sizeof(struct hpfsmount)); 364 365 /* Read in SuperBlock */ 366 error = bread(devvp, SUBLOCK, SUSIZE, NOCRED, &bp); 367 if (error) 368 goto failed; 369 bcopy(bp->b_data, &hpmp->hpm_su, sizeof(struct sublock)); 370 brelse(bp); bp = NULL; 371 372 /* Read in SpareBlock */ 373 error = bread(devvp, SPBLOCK, SPSIZE, NOCRED, &bp); 374 if (error) 375 goto failed; 376 bcopy(bp->b_data, &hpmp->hpm_sp, sizeof(struct spblock)); 377 brelse(bp); bp = NULL; 378 379 sup = &hpmp->hpm_su; 380 spp = &hpmp->hpm_sp; 381 382 /* Check magic */ 383 if (sup->su_magic != SU_MAGIC) { 384 printf("hpfs_mountfs: SuperBlock MAGIC DOESN'T MATCH\n"); 385 error = EINVAL; 386 goto failed; 387 } 388 if (spp->sp_magic != SP_MAGIC) { 389 printf("hpfs_mountfs: SpareBlock MAGIC DOESN'T MATCH\n"); 390 error = EINVAL; 391 goto failed; 392 } 393 394 mp->mnt_data = (qaddr_t)hpmp; 395 hpmp->hpm_devvp = devvp; 396 hpmp->hpm_dev = devvp->v_rdev; 397 hpmp->hpm_mp = mp; 398 hpmp->hpm_uid = argsp->uid; 399 hpmp->hpm_gid = argsp->gid; 400 hpmp->hpm_mode = argsp->mode; 401 402 error = hpfs_bminit(hpmp); 403 if (error) 404 goto failed; 405 406 error = hpfs_cpinit(hpmp, argsp); 407 if (error) { 408 hpfs_bmdeinit(hpmp); 409 goto failed; 410 } 411 412 error = hpfs_root(mp, &vp); 413 if (error) { 414 hpfs_cpdeinit(hpmp); 415 hpfs_bmdeinit(hpmp); 416 goto failed; 417 } 418 419 vput(vp); 420 421 #if defined(__FreeBSD__) 422 mp->mnt_stat.f_fsid.val[0] = (long)dev2udev(dev); 423 mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum; 424 #else 425 mp->mnt_stat.f_fsid.val[0] = (long)dev; 426 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_HPFS); 427 #endif 428 mp->mnt_maxsymlinklen = 0; 429 mp->mnt_flag |= MNT_LOCAL; 430 devvp->v_specmountpoint = mp; 431 return (0); 432 433 failed: 434 if (bp) 435 brelse (bp); 436 mp->mnt_data = (qaddr_t)NULL; 437 #if defined(__FreeBSD__) 438 devvp->v_specmountpoint = NULL; 439 #else 440 devvp->v_specflags &= ~SI_MOUNTEDON; 441 #endif 442 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p); 443 return (error); 444 } 445 446 #if !defined(__FreeBSD__) 447 static int 448 hpfs_start ( 449 struct mount *mp, 450 int flags, 451 struct proc *p ) 452 { 453 return (0); 454 } 455 #endif 456 457 static int 458 hpfs_unmount( 459 struct mount *mp, 460 int mntflags, 461 struct proc *p) 462 { 463 int error, flags, ronly; 464 register struct hpfsmount *hpmp = VFSTOHPFS(mp); 465 466 dprintf(("hpfs_unmount():\n")); 467 468 ronly = (mp->mnt_flag & MNT_RDONLY) != 0; 469 470 flags = 0; 471 if(mntflags & MNT_FORCE) 472 flags |= FORCECLOSE; 473 474 dprintf(("hpfs_unmount: vflushing...\n")); 475 476 error = vflush(mp, 0, flags); 477 if (error) { 478 printf("hpfs_unmount: vflush failed: %d\n",error); 479 return (error); 480 } 481 482 #if defined(__FreeBSD__) 483 hpmp->hpm_devvp->v_specmountpoint = NULL; 484 #else 485 hpmp->hpm_devvp->v_specflags &= ~SI_MOUNTEDON; 486 #endif 487 488 vinvalbuf(hpmp->hpm_devvp, V_SAVE, NOCRED, p, 0, 0); 489 error = VOP_CLOSE(hpmp->hpm_devvp, ronly ? FREAD : FREAD|FWRITE, 490 NOCRED, p); 491 492 vrele(hpmp->hpm_devvp); 493 494 dprintf(("hpfs_umount: freeing memory...\n")); 495 hpfs_cpdeinit(hpmp); 496 hpfs_bmdeinit(hpmp); 497 mp->mnt_data = (qaddr_t)0; 498 mp->mnt_flag &= ~MNT_LOCAL; 499 FREE(hpmp, M_HPFSMNT); 500 501 return (0); 502 } 503 504 static int 505 hpfs_root( 506 struct mount *mp, 507 struct vnode **vpp ) 508 { 509 int error = 0; 510 struct hpfsmount *hpmp = VFSTOHPFS(mp); 511 512 dprintf(("hpfs_root():\n")); 513 error = VFS_VGET(mp, (ino_t)hpmp->hpm_su.su_rootfno, vpp); 514 if(error) { 515 printf("hpfs_root: VFS_VGET failed: %d\n",error); 516 return (error); 517 } 518 519 return (error); 520 } 521 522 static int 523 hpfs_statfs( 524 struct mount *mp, 525 struct statfs *sbp, 526 struct proc *p) 527 { 528 struct hpfsmount *hpmp = VFSTOHPFS(mp); 529 530 dprintf(("hpfs_statfs(): HPFS%d.%d\n", 531 hpmp->hpm_su.su_hpfsver, hpmp->hpm_su.su_fnctver)); 532 533 #if defined(__FreeBSD__) 534 sbp->f_type = mp->mnt_vfc->vfc_typenum; 535 #else /* defined(__NetBSD__) */ 536 sbp->f_type = 0; 537 #endif 538 sbp->f_bsize = DEV_BSIZE; 539 sbp->f_iosize = DEV_BSIZE; 540 sbp->f_blocks = hpmp->hpm_su.su_btotal; 541 sbp->f_bfree = sbp->f_bavail = hpmp->hpm_bavail; 542 sbp->f_ffree = 0; 543 sbp->f_files = 0; 544 if (sbp != &mp->mnt_stat) { 545 bcopy((caddr_t)mp->mnt_stat.f_mntonname, 546 (caddr_t)&sbp->f_mntonname[0], MNAMELEN); 547 bcopy((caddr_t)mp->mnt_stat.f_mntfromname, 548 (caddr_t)&sbp->f_mntfromname[0], MNAMELEN); 549 } 550 sbp->f_flags = mp->mnt_flag; 551 552 return (0); 553 } 554 555 #if !defined(__FreeBSD__) 556 static int 557 hpfs_sync ( 558 struct mount *mp, 559 int waitfor, 560 struct ucred *cred, 561 struct proc *p) 562 { 563 return (0); 564 } 565 566 static int 567 hpfs_quotactl ( 568 struct mount *mp, 569 int cmds, 570 uid_t uid, 571 caddr_t arg, 572 struct proc *p) 573 { 574 printf("hpfs_quotactl():\n"); 575 return (EOPNOTSUPP); 576 } 577 #endif 578 579 /*ARGSUSED*/ 580 static int 581 hpfs_fhtovp( 582 struct mount *mp, 583 struct fid *fhp, 584 struct vnode **vpp) 585 { 586 struct vnode *nvp; 587 struct hpfid *hpfhp = (struct hpfid *)fhp; 588 int error; 589 590 if ((error = VFS_VGET(mp, hpfhp->hpfid_ino, &nvp)) != 0) { 591 *vpp = NULLVP; 592 return (error); 593 } 594 /* XXX as unlink/rmdir/mkdir/creat are not currently possible 595 * with HPFS, we don't need to check anything else for now */ 596 *vpp = nvp; 597 598 return (0); 599 } 600 601 static int 602 hpfs_vptofh( 603 struct vnode *vp, 604 struct fid *fhp) 605 { 606 register struct hpfsnode *hpp; 607 register struct hpfid *hpfhp; 608 609 hpp = VTOHP(vp); 610 hpfhp = (struct hpfid *)fhp; 611 hpfhp->hpfid_len = sizeof(struct hpfid); 612 hpfhp->hpfid_ino = hpp->h_no; 613 /* hpfhp->hpfid_gen = hpp->h_gen; */ 614 return (0); 615 } 616 617 static int 618 hpfs_vget( 619 struct mount *mp, 620 ino_t ino, 621 struct vnode **vpp) 622 { 623 struct hpfsmount *hpmp = VFSTOHPFS(mp); 624 struct vnode *vp; 625 struct hpfsnode *hp; 626 struct buf *bp; 627 struct proc *p = curproc; /* XXX */ 628 int error; 629 630 dprintf(("hpfs_vget(0x%x): ",ino)); 631 632 *vpp = NULL; 633 hp = NULL; 634 vp = NULL; 635 636 if ((*vpp = hpfs_hphashvget(hpmp->hpm_dev, ino, p)) != NULL) { 637 dprintf(("hashed\n")); 638 return (0); 639 } 640 641 /* 642 * We have to lock node creation for a while, 643 * but then we have to call getnewvnode(), 644 * this may cause hpfs_reclaim() to be called, 645 * this may need to VOP_VGET() parent dir for 646 * update reasons, and if parent is not in 647 * hash, we have to lock node creation... 648 * To solve this, we MALLOC, getnewvnode and init while 649 * not locked (probability of node appearence 650 * at that time is little, and anyway - we'll 651 * check for it). 652 */ 653 MALLOC(hp, struct hpfsnode *, sizeof(struct hpfsnode), 654 M_HPFSNO, M_WAITOK); 655 656 error = getnewvnode(VT_HPFS, hpmp->hpm_mp, hpfs_vnodeop_p, &vp); 657 if (error) { 658 printf("hpfs_vget: can't get new vnode\n"); 659 FREE(hp, M_HPFSNO); 660 return (error); 661 } 662 663 dprintf(("prenew ")); 664 665 vp->v_data = hp; 666 667 if (ino == (ino_t)hpmp->hpm_su.su_rootfno) 668 vp->v_flag |= VROOT; 669 670 simple_lock_init(&hp->h_interlock); 671 lockinit(&hp->h_lock, PINOD, "hpnode", VLKTIMEOUT, 0); 672 673 hp->h_flag = H_INVAL; 674 hp->h_vp = vp; 675 hp->h_hpmp = hpmp; 676 hp->h_no = ino; 677 hp->h_dev = hpmp->hpm_dev; 678 hp->h_uid = hpmp->hpm_uid; 679 hp->h_gid = hpmp->hpm_uid; 680 hp->h_mode = hpmp->hpm_mode; 681 hp->h_devvp = hpmp->hpm_devvp; 682 VREF(hp->h_devvp); 683 684 error = VN_LOCK(vp, LK_EXCLUSIVE, p); 685 if (error) { 686 vput(vp); 687 return (error); 688 } 689 690 do { 691 if ((*vpp = hpfs_hphashvget(hpmp->hpm_dev, ino, p)) != NULL) { 692 dprintf(("hashed2\n")); 693 vput(vp); 694 return (0); 695 } 696 } while(LOCKMGR(&hpfs_hphash_lock,LK_EXCLUSIVE|LK_SLEEPFAIL,NULL,NULL)); 697 698 hpfs_hphashins(hp); 699 700 LOCKMGR(&hpfs_hphash_lock, LK_RELEASE, NULL, NULL); 701 702 error = bread(hpmp->hpm_devvp, ino, FNODESIZE, NOCRED, &bp); 703 if (error) { 704 printf("hpfs_vget: can't read ino %d\n",ino); 705 vput(vp); 706 return (error); 707 } 708 bcopy(bp->b_data, &hp->h_fn, sizeof(struct fnode)); 709 brelse(bp); 710 711 if (hp->h_fn.fn_magic != FN_MAGIC) { 712 printf("hpfs_vget: MAGIC DOESN'T MATCH\n"); 713 vput(vp); 714 return (EINVAL); 715 } 716 717 vp->v_type = hp->h_fn.fn_flag ? VDIR:VREG; 718 hp->h_flag &= ~H_INVAL; 719 720 *vpp = vp; 721 722 return (0); 723 } 724 725 #if defined(__FreeBSD__) 726 static struct vfsops hpfs_vfsops = { 727 hpfs_mount, 728 vfs_stdstart, 729 hpfs_unmount, 730 hpfs_root, 731 vfs_stdquotactl, 732 hpfs_statfs, 733 vfs_stdsync, 734 hpfs_vget, 735 hpfs_fhtovp, 736 hpfs_checkexp, 737 hpfs_vptofh, 738 hpfs_init, 739 vfs_stduninit, 740 vfs_stdextattrctl, 741 }; 742 VFS_SET(hpfs_vfsops, hpfs, 0); 743 #else /* defined(__NetBSD__) */ 744 extern struct vnodeopv_desc hpfs_vnodeop_opv_desc; 745 746 struct vnodeopv_desc *hpfs_vnodeopv_descs[] = { 747 &hpfs_vnodeop_opv_desc, 748 NULL, 749 }; 750 751 struct vfsops hpfs_vfsops = { 752 MOUNT_HPFS, 753 hpfs_mount, 754 hpfs_start, 755 hpfs_unmount, 756 hpfs_root, 757 hpfs_quotactl, 758 hpfs_statfs, 759 hpfs_sync, 760 hpfs_vget, 761 hpfs_fhtovp, 762 hpfs_vptofh, 763 hpfs_init, 764 hpfs_sysctl, 765 hpfs_mountroot, 766 hpfs_checkexp, 767 hpfs_vnodeopv_descs, 768 }; 769 #endif
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