filecore_vfsops.c revision 1.5.2.1
1 /* $NetBSD: filecore_vfsops.c,v 1.5.2.1 2003/07/02 15:26:29 darrenr Exp $ */ 2 3 /*- 4 * Copyright (c) 1998 Andrew McMurry 5 * Copyright (c) 1994 The Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * filecore_vfsops.c 1.1 1998/6/26 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: filecore_vfsops.c,v 1.5.2.1 2003/07/02 15:26:29 darrenr Exp $"); 41 42 #if defined(_KERNEL_OPT) 43 #include "opt_compat_netbsd.h" 44 #endif 45 46 #include <sys/param.h> 47 #include <sys/systm.h> 48 #include <sys/namei.h> 49 #include <sys/proc.h> 50 #include <sys/vnode.h> 51 #include <miscfs/specfs/specdev.h> 52 #include <sys/mount.h> 53 #include <sys/buf.h> 54 #include <sys/file.h> 55 #include <sys/device.h> 56 #include <sys/errno.h> 57 #include <sys/malloc.h> 58 #include <sys/pool.h> 59 #include <sys/conf.h> 60 61 #include <fs/filecorefs/filecore.h> 62 #include <fs/filecorefs/filecore_extern.h> 63 #include <fs/filecorefs/filecore_node.h> 64 #include <fs/filecorefs/filecore_mount.h> 65 66 MALLOC_DEFINE(M_FILECOREMNT, "filecore mount", "Filecore FS mount structures"); 67 68 extern const struct vnodeopv_desc filecore_vnodeop_opv_desc; 69 70 const struct vnodeopv_desc * const filecore_vnodeopv_descs[] = { 71 &filecore_vnodeop_opv_desc, 72 NULL, 73 }; 74 75 struct vfsops filecore_vfsops = { 76 MOUNT_FILECORE, 77 filecore_mount, 78 filecore_start, 79 filecore_unmount, 80 filecore_root, 81 filecore_quotactl, 82 filecore_statfs, 83 filecore_sync, 84 filecore_vget, 85 filecore_fhtovp, 86 filecore_vptofh, 87 filecore_init, 88 filecore_reinit, 89 filecore_done, 90 filecore_sysctl, 91 NULL, /* filecore_mountroot */ 92 filecore_checkexp, 93 filecore_vnodeopv_descs, 94 }; 95 96 struct genfs_ops filecore_genfsops = { 97 genfs_size, 98 }; 99 100 /* 101 * Called by vfs_mountroot when iso is going to be mounted as root. 102 * 103 * Name is updated by mount(8) after booting. 104 */ 105 106 static int filecore_mountfs __P((struct vnode *devvp, struct mount *mp, 107 struct proc *p, struct filecore_args *argp)); 108 109 #if 0 110 int 111 filecore_mountroot() 112 { 113 struct mount *mp; 114 extern struct vnode *rootvp; 115 struct proc *p = curproc; /* XXX */ 116 int error; 117 struct filecore_args args; 118 119 if (root_device->dv_class != DV_DISK) 120 return (ENODEV); 121 122 /* 123 * Get vnodes for swapdev and rootdev. 124 */ 125 if (bdevvp(rootdev, &rootvp)) 126 panic("filecore_mountroot: can't setup rootvp"); 127 128 if ((error = vfs_rootmountalloc(MOUNT_FILECORE, "root_device", &mp)) != 0) 129 return (error); 130 131 args.flags = FILECOREMNT_ROOT; 132 if ((error = filecore_mountfs(rootvp, mp, p, &args)) != 0) { 133 mp->mnt_op->vfs_refcount--; 134 vfs_unbusy(mp); 135 free(mp, M_MOUNT); 136 return (error); 137 } 138 simple_lock(&mountlist_slock); 139 CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list); 140 simple_unlock(&mountlist_slock); 141 (void)filecore_statfs(mp, &mp->mnt_stat, p); 142 vfs_unbusy(mp); 143 return (0); 144 } 145 #endif 146 147 /* 148 * VFS Operations. 149 * 150 * mount system call 151 */ 152 int 153 filecore_mount(mp, path, data, ndp, l) 154 struct mount *mp; 155 const char *path; 156 void *data; 157 struct nameidata *ndp; 158 struct lwp *l; 159 { 160 struct vnode *devvp; 161 struct filecore_args args; 162 struct proc *p; 163 int error; 164 struct filecore_mnt *fcmp = NULL; 165 166 p = l->l_proc; 167 if (mp->mnt_flag & MNT_GETARGS) { 168 fcmp = VFSTOFILECORE(mp); 169 if (fcmp == NULL) 170 return EIO; 171 args.flags = fcmp->fc_mntflags; 172 args.uid = fcmp->fc_uid; 173 args.gid = fcmp->fc_gid; 174 args.fspec = NULL; 175 vfs_showexport(mp, &args.export, &fcmp->fc_export); 176 return copyout(&args, data, sizeof(args)); 177 } 178 error = copyin(data, (caddr_t)&args, sizeof (struct filecore_args)); 179 if (error) 180 return (error); 181 182 if ((mp->mnt_flag & MNT_RDONLY) == 0) 183 return (EROFS); 184 185 /* 186 * If updating, check whether changing from read-only to 187 * read/write; if there is no device name, that's all we do. 188 */ 189 if (mp->mnt_flag & MNT_UPDATE) { 190 fcmp = VFSTOFILECORE(mp); 191 if (args.fspec == 0) 192 return (vfs_export(mp, &fcmp->fc_export, &args.export)); 193 } 194 /* 195 * Not an update, or updating the name: look up the name 196 * and verify that it refers to a sensible block device. 197 */ 198 NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, l); 199 if ((error = namei(ndp)) != 0) 200 return (error); 201 devvp = ndp->ni_vp; 202 203 if (devvp->v_type != VBLK) { 204 vrele(devvp); 205 return ENOTBLK; 206 } 207 if (bdevsw_lookup(devvp->v_rdev) == NULL) { 208 vrele(devvp); 209 return ENXIO; 210 } 211 /* 212 * If mount by non-root, then verify that user has necessary 213 * permissions on the device. 214 */ 215 if (p->p_ucred->cr_uid != 0) { 216 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 217 error = VOP_ACCESS(devvp, VREAD, p->p_ucred, p); 218 VOP_UNLOCK(devvp, 0); 219 if (error) { 220 vrele(devvp); 221 return (error); 222 } 223 } 224 if ((mp->mnt_flag & MNT_UPDATE) == 0) 225 error = filecore_mountfs(devvp, mp, p, &args); 226 else { 227 if (devvp != fcmp->fc_devvp) 228 error = EINVAL; /* needs translation */ 229 else 230 vrele(devvp); 231 } 232 if (error) { 233 vrele(devvp); 234 return error; 235 } 236 fcmp = VFSTOFILECORE(mp); 237 return set_statfs_info(path, UIO_USERSPACE, args.fspec, UIO_USERSPACE, 238 mp, p); 239 } 240 241 /* 242 * Common code for mount and mountroot 243 */ 244 static int 245 filecore_mountfs(devvp, mp, p, argp) 246 struct vnode *devvp; 247 struct mount *mp; 248 struct proc *p; 249 struct filecore_args *argp; 250 { 251 struct filecore_mnt *fcmp = (struct filecore_mnt *)0; 252 struct buf *bp = NULL; 253 dev_t dev = devvp->v_rdev; 254 int error = EINVAL; 255 int ronly = (mp->mnt_flag & MNT_RDONLY) != 0; 256 extern struct vnode *rootvp; 257 struct filecore_disc_record *fcdr; 258 unsigned map; 259 unsigned log2secsize; 260 261 if (!ronly) 262 return EROFS; 263 264 /* 265 * Disallow multiple mounts of the same device. 266 * Disallow mounting of a device that is currently in use 267 * (except for root, which might share swap device for miniroot). 268 * Flush out any old buffers remaining from a previous use. 269 */ 270 if ((error = vfs_mountedon(devvp)) != 0) 271 return error; 272 if (vcount(devvp) > 1 && devvp != rootvp) 273 return EBUSY; 274 if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)) != 0) 275 return (error); 276 277 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, p); 278 if (error) 279 return error; 280 281 /* Read the filecore boot block to check FS validity and to find the map */ 282 error = bread(devvp, FILECORE_BOOTBLOCK_BLKN, 283 FILECORE_BOOTBLOCK_SIZE, NOCRED, &bp); 284 #ifdef FILECORE_DEBUG_BR 285 printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp, 286 FILECORE_BOOTBLOCK_BLKN, FILECORE_BOOTBLOCK_SIZE, 287 bp, error); 288 #endif 289 if (error != 0) 290 goto out; 291 if (filecore_bbchecksum(bp->b_data) != 0) { 292 error = EINVAL; 293 goto out; 294 } 295 fcdr = (struct filecore_disc_record *)(bp->b_data+FILECORE_BB_DISCREC); 296 map = ((((8 << fcdr->log2secsize) - fcdr->zone_spare) 297 * (fcdr->nzones / 2) - 8 * FILECORE_DISCREC_SIZE) 298 << fcdr->log2bpmb) >> fcdr->log2secsize; 299 log2secsize = fcdr->log2secsize; 300 bp->b_flags |= B_AGE; 301 #ifdef FILECORE_DEBUG_BR 302 printf("brelse(%p) vf1\n", bp); 303 #endif 304 brelse(bp); 305 bp = NULL; 306 307 /* Read the bootblock in the map */ 308 error = bread(devvp, map, 1 << log2secsize, NOCRED, &bp); 309 #ifdef FILECORE_DEBUG_BR 310 printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp, 311 map, 1 << log2secsize, bp, error); 312 #endif 313 if (error != 0) 314 goto out; 315 fcdr = (struct filecore_disc_record *)(bp->b_data + 4); 316 fcmp = malloc(sizeof *fcmp, M_FILECOREMNT, M_WAITOK); 317 memset((caddr_t)fcmp, 0, sizeof *fcmp); 318 if (fcdr->log2bpmb > fcdr->log2secsize) 319 fcmp->log2bsize = fcdr->log2bpmb; 320 else fcmp->log2bsize = fcdr->log2secsize; 321 fcmp->blksize = 1 << fcmp->log2bsize; 322 memcpy((caddr_t)&fcmp->drec, (caddr_t)fcdr, sizeof(*fcdr)); 323 fcmp->map = map; 324 fcmp->idspz = ((8 << fcdr->log2secsize) - fcdr->zone_spare) 325 / (fcdr->idlen + 1); 326 fcmp->mask = (1 << fcdr->idlen) - 1; 327 if (fcdr->big_flag & 1) { 328 fcmp->nblks = ((((u_int64_t)fcdr->disc_size_2) << 32) 329 + fcdr->disc_size) / fcmp->blksize; 330 } else { 331 fcmp->nblks=fcdr->disc_size / fcmp->blksize; 332 } 333 334 bp->b_flags |= B_AGE; 335 #ifdef FILECORE_DEBUG_BR 336 printf("brelse(%p) vf2\n", bp); 337 #endif 338 brelse(bp); 339 bp = NULL; 340 341 mp->mnt_data = fcmp; 342 mp->mnt_stat.f_fsid.val[0] = (long)dev; 343 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_FILECORE); 344 mp->mnt_maxsymlinklen = 0; 345 mp->mnt_flag |= MNT_LOCAL; 346 mp->mnt_dev_bshift = fcdr->log2secsize; 347 mp->mnt_fs_bshift = fcmp->log2bsize; 348 349 fcmp->fc_mountp = mp; 350 fcmp->fc_dev = dev; 351 fcmp->fc_devvp = devvp; 352 fcmp->fc_mntflags = argp->flags; 353 if (argp->flags & FILECOREMNT_USEUID) { 354 fcmp->fc_uid = p->p_cred->p_ruid; 355 fcmp->fc_gid = p->p_cred->p_rgid; 356 } else { 357 fcmp->fc_uid = argp->uid; 358 fcmp->fc_gid = argp->gid; 359 } 360 361 return 0; 362 out: 363 if (bp) { 364 #ifdef FILECORE_DEBUG_BR 365 printf("brelse(%p) vf3\n", bp); 366 #endif 367 brelse(bp); 368 } 369 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 370 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p); 371 VOP_UNLOCK(devvp, 0); 372 if (fcmp) { 373 free((caddr_t)fcmp, M_FILECOREMNT); 374 mp->mnt_data = NULL; 375 } 376 return error; 377 } 378 379 /* 380 * Make a filesystem operational. 381 * Nothing to do at the moment. 382 */ 383 /* ARGSUSED */ 384 int 385 filecore_start(mp, flags, p) 386 struct mount *mp; 387 int flags; 388 struct proc *p; 389 { 390 return 0; 391 } 392 393 /* 394 * unmount system call 395 */ 396 int 397 filecore_unmount(mp, mntflags, p) 398 struct mount *mp; 399 int mntflags; 400 struct proc *p; 401 { 402 struct filecore_mnt *fcmp; 403 int error, flags = 0; 404 405 if (mntflags & MNT_FORCE) 406 flags |= FORCECLOSE; 407 #if 0 408 mntflushbuf(mp, 0); 409 if (mntinvalbuf(mp)) 410 return EBUSY; 411 #endif 412 if ((error = vflush(mp, NULLVP, flags)) != 0) 413 return (error); 414 415 fcmp = VFSTOFILECORE(mp); 416 417 if (fcmp->fc_devvp->v_type != VBAD) 418 fcmp->fc_devvp->v_specmountpoint = NULL; 419 vn_lock(fcmp->fc_devvp, LK_EXCLUSIVE | LK_RETRY); 420 error = VOP_CLOSE(fcmp->fc_devvp, FREAD, NOCRED, p); 421 vput(fcmp->fc_devvp); 422 free((caddr_t)fcmp, M_FILECOREMNT); 423 mp->mnt_data = NULL; 424 mp->mnt_flag &= ~MNT_LOCAL; 425 return (error); 426 } 427 428 /* 429 * Return root of a filesystem 430 */ 431 int 432 filecore_root(mp, vpp) 433 struct mount *mp; 434 struct vnode **vpp; 435 { 436 struct vnode *nvp; 437 int error; 438 439 if ((error = VFS_VGET(mp, FILECORE_ROOTINO, &nvp)) != 0) 440 return (error); 441 *vpp = nvp; 442 return (0); 443 } 444 445 /* 446 * Do operations associated with quotas, not supported 447 */ 448 /* ARGSUSED */ 449 int 450 filecore_quotactl(mp, cmd, uid, arg, .) 451 struct mount *mp; 452 int cmd; 453 uid_t uid; 454 caddr_t arg; 455 struct lwp *.; 456 { 457 458 return (EOPNOTSUPP); 459 } 460 461 /* 462 * Get file system statistics. 463 */ 464 int 465 filecore_statfs(mp, sbp, p) 466 struct mount *mp; 467 struct statfs *sbp; 468 struct proc *p; 469 { 470 struct filecore_mnt *fcmp = VFSTOFILECORE(mp); 471 472 #ifdef COMPAT_09 473 sbp->f_type = 255; 474 #else 475 sbp->f_type = 0; 476 #endif 477 sbp->f_bsize = fcmp->blksize; 478 sbp->f_iosize = sbp->f_bsize; /* XXX */ 479 sbp->f_blocks = fcmp->nblks; 480 sbp->f_bfree = 0; /* total free blocks */ 481 sbp->f_bavail = 0; /* blocks free for non superuser */ 482 sbp->f_files = 0; /* total files */ 483 sbp->f_ffree = 0; /* free file nodes */ 484 copy_statfs_info(sbp, mp); 485 return 0; 486 } 487 488 /* ARGSUSED */ 489 int 490 filecore_sync(mp, waitfor, cred, p) 491 struct mount *mp; 492 int waitfor; 493 struct ucred *cred; 494 struct proc *p; 495 { 496 return (0); 497 } 498 499 /* 500 * File handle to vnode 501 * 502 * Have to be really careful about stale file handles: 503 * - check that the inode number is in range 504 * - call iget() to get the locked inode 505 * - check for an unallocated inode (i_mode == 0) 506 * - check that the generation number matches 507 */ 508 509 struct ifid { 510 ushort ifid_len; 511 ushort ifid_pad; 512 u_int32_t ifid_ino; 513 }; 514 515 /* ARGSUSED */ 516 int 517 filecore_fhtovp(mp, fhp, vpp) 518 struct mount *mp; 519 struct fid *fhp; 520 struct vnode **vpp; 521 { 522 struct ifid *ifhp = (struct ifid *)fhp; 523 struct vnode *nvp; 524 struct filecore_node *ip; 525 int error; 526 527 if ((error = VFS_VGET(mp, ifhp->ifid_ino, &nvp)) != 0) { 528 *vpp = NULLVP; 529 return (error); 530 } 531 ip = VTOI(nvp); 532 if (filecore_staleinode(ip)) { 533 vput(nvp); 534 *vpp = NULLVP; 535 return (ESTALE); 536 } 537 *vpp = nvp; 538 return (0); 539 } 540 541 /* ARGSUSED */ 542 int 543 filecore_checkexp(mp, nam, exflagsp, credanonp) 544 struct mount *mp; 545 struct mbuf *nam; 546 int *exflagsp; 547 struct ucred **credanonp; 548 { 549 struct filecore_mnt *fcmp = VFSTOFILECORE(mp); 550 struct netcred *np; 551 552 /* 553 * Get the export permission structure for this <mp, client> tuple. 554 */ 555 np = vfs_export_lookup(mp, &fcmp->fc_export, nam); 556 if (np == NULL) 557 return (EACCES); 558 559 *exflagsp = np->netc_exflags; 560 *credanonp = &np->netc_anon; 561 return (0); 562 } 563 564 /* This looks complicated. Look at other vgets as well as the iso9660 one. 565 * 566 * The filecore inode number is made up of 1 byte directory entry index and 567 * 3 bytes of the internal disc address of the directory. On a read-only 568 * filesystem this is unique. For a read-write version we may not be able to 569 * do vget, see msdosfs. 570 */ 571 572 int 573 filecore_vget(mp, ino, vpp) 574 struct mount *mp; 575 ino_t ino; 576 struct vnode **vpp; 577 { 578 struct filecore_mnt *fcmp; 579 struct filecore_node *ip; 580 struct buf *bp; 581 struct vnode *vp; 582 dev_t dev; 583 int error; 584 585 fcmp = VFSTOFILECORE(mp); 586 dev = fcmp->fc_dev; 587 if ((*vpp = filecore_ihashget(dev, ino)) != NULLVP) 588 return (0); 589 590 /* Allocate a new vnode/filecore_node. */ 591 if ((error = getnewvnode(VT_FILECORE, mp, filecore_vnodeop_p, &vp)) 592 != 0) { 593 *vpp = NULLVP; 594 return (error); 595 } 596 ip = pool_get(&filecore_node_pool, PR_WAITOK); 597 memset(ip, 0, sizeof(struct filecore_node)); 598 vp->v_data = ip; 599 ip->i_vnode = vp; 600 ip->i_dev = dev; 601 ip->i_number = ino; 602 ip->i_block = -1; 603 ip->i_parent = -2; 604 605 /* 606 * Put it onto its hash chain and lock it so that other requests for 607 * this inode will block if they arrive while we are sleeping waiting 608 * for old data structures to be purged or for the contents of the 609 * disk portion of this inode to be read. 610 */ 611 filecore_ihashins(ip); 612 613 if (ino == FILECORE_ROOTINO) { 614 /* Here we need to construct a root directory inode */ 615 memcpy((caddr_t)ip->i_dirent.name, (caddr_t)"root", 4); 616 ip->i_dirent.load = 0; 617 ip->i_dirent.exec = 0; 618 ip->i_dirent.len = FILECORE_DIR_SIZE; 619 ip->i_dirent.addr = fcmp->drec.root; 620 ip->i_dirent.attr = FILECORE_ATTR_DIR | FILECORE_ATTR_READ; 621 622 } else { 623 /* Read in Data from Directory Entry */ 624 if ((error = filecore_bread(fcmp, ino & FILECORE_INO_MASK, 625 FILECORE_DIR_SIZE, NOCRED, &bp)) != 0) { 626 vput(vp); 627 #ifdef FILECORE_DEBUG_BR 628 printf("brelse(%p) vf4\n", bp); 629 #endif 630 brelse(bp); 631 *vpp = NULL; 632 return (error); 633 } 634 635 memcpy((caddr_t)&ip->i_dirent, 636 (caddr_t)fcdirentry(bp->b_data, ino >> FILECORE_INO_INDEX), 637 sizeof(struct filecore_direntry)); 638 #ifdef FILECORE_DEBUG_BR 639 printf("brelse(%p) vf5\n", bp); 640 #endif 641 brelse(bp); 642 } 643 644 ip->i_mnt = fcmp; 645 ip->i_devvp = fcmp->fc_devvp; 646 ip->i_diroff = 0; 647 VREF(ip->i_devvp); 648 649 /* 650 * Setup type 651 */ 652 vp->v_type = VREG; 653 if (ip->i_dirent.attr & FILECORE_ATTR_DIR) 654 vp->v_type = VDIR; 655 656 /* 657 * Initialize the associated vnode 658 */ 659 switch (vp->v_type) { 660 case VFIFO: 661 case VCHR: 662 case VBLK: 663 /* 664 * Devices not supported. 665 */ 666 vput(vp); 667 return (EOPNOTSUPP); 668 case VLNK: 669 case VNON: 670 case VSOCK: 671 case VDIR: 672 case VBAD: 673 case VREG: 674 break; 675 } 676 677 if (ino == FILECORE_ROOTINO) 678 vp->v_flag |= VROOT; 679 680 /* 681 * XXX need generation number? 682 */ 683 684 genfs_node_init(vp, &filecore_genfsops); 685 vp->v_size = ip->i_size; 686 *vpp = vp; 687 return (0); 688 } 689 690 /* 691 * Vnode pointer to File handle 692 */ 693 /* ARGSUSED */ 694 int 695 filecore_vptofh(vp, fhp) 696 struct vnode *vp; 697 struct fid *fhp; 698 { 699 struct filecore_node *ip = VTOI(vp); 700 struct ifid *ifhp; 701 702 ifhp = (struct ifid *)fhp; 703 ifhp->ifid_len = sizeof(struct ifid); 704 ifhp->ifid_ino = ip->i_number; 705 return 0; 706 } 707 708 int 709 filecore_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 710 int *name; 711 u_int namelen; 712 void *oldp; 713 size_t *oldlenp; 714 void *newp; 715 size_t newlen; 716 struct proc *p; 717 { 718 return (EOPNOTSUPP); 719 } 720
Indexes created Wed Oct 01 12:09:54 GMT 2025