filecore_vfsops.c revision 1.5
1 /* $NetBSD: filecore_vfsops.c,v 1.5 2003/06/29 22:31:09 fvdl 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 2003/06/29 22:31:09 fvdl 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, p) 154 struct mount *mp; 155 const char *path; 156 void *data; 157 struct nameidata *ndp; 158 struct proc *p; 159 { 160 struct vnode *devvp; 161 struct filecore_args args; 162 int error; 163 struct filecore_mnt *fcmp = NULL; 164 165 if (mp->mnt_flag & MNT_GETARGS) { 166 fcmp = VFSTOFILECORE(mp); 167 if (fcmp == NULL) 168 return EIO; 169 args.flags = fcmp->fc_mntflags; 170 args.uid = fcmp->fc_uid; 171 args.gid = fcmp->fc_gid; 172 args.fspec = NULL; 173 vfs_showexport(mp, &args.export, &fcmp->fc_export); 174 return copyout(&args, data, sizeof(args)); 175 } 176 error = copyin(data, (caddr_t)&args, sizeof (struct filecore_args)); 177 if (error) 178 return (error); 179 180 if ((mp->mnt_flag & MNT_RDONLY) == 0) 181 return (EROFS); 182 183 /* 184 * If updating, check whether changing from read-only to 185 * read/write; if there is no device name, that's all we do. 186 */ 187 if (mp->mnt_flag & MNT_UPDATE) { 188 fcmp = VFSTOFILECORE(mp); 189 if (args.fspec == 0) 190 return (vfs_export(mp, &fcmp->fc_export, &args.export)); 191 } 192 /* 193 * Not an update, or updating the name: look up the name 194 * and verify that it refers to a sensible block device. 195 */ 196 NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p); 197 if ((error = namei(ndp)) != 0) 198 return (error); 199 devvp = ndp->ni_vp; 200 201 if (devvp->v_type != VBLK) { 202 vrele(devvp); 203 return ENOTBLK; 204 } 205 if (bdevsw_lookup(devvp->v_rdev) == NULL) { 206 vrele(devvp); 207 return ENXIO; 208 } 209 /* 210 * If mount by non-root, then verify that user has necessary 211 * permissions on the device. 212 */ 213 if (p->p_ucred->cr_uid != 0) { 214 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 215 error = VOP_ACCESS(devvp, VREAD, p->p_ucred, p); 216 VOP_UNLOCK(devvp, 0); 217 if (error) { 218 vrele(devvp); 219 return (error); 220 } 221 } 222 if ((mp->mnt_flag & MNT_UPDATE) == 0) 223 error = filecore_mountfs(devvp, mp, p, &args); 224 else { 225 if (devvp != fcmp->fc_devvp) 226 error = EINVAL; /* needs translation */ 227 else 228 vrele(devvp); 229 } 230 if (error) { 231 vrele(devvp); 232 return error; 233 } 234 fcmp = VFSTOFILECORE(mp); 235 return set_statfs_info(path, UIO_USERSPACE, args.fspec, UIO_USERSPACE, 236 mp, p); 237 } 238 239 /* 240 * Common code for mount and mountroot 241 */ 242 static int 243 filecore_mountfs(devvp, mp, p, argp) 244 struct vnode *devvp; 245 struct mount *mp; 246 struct proc *p; 247 struct filecore_args *argp; 248 { 249 struct filecore_mnt *fcmp = (struct filecore_mnt *)0; 250 struct buf *bp = NULL; 251 dev_t dev = devvp->v_rdev; 252 int error = EINVAL; 253 int ronly = (mp->mnt_flag & MNT_RDONLY) != 0; 254 extern struct vnode *rootvp; 255 struct filecore_disc_record *fcdr; 256 unsigned map; 257 unsigned log2secsize; 258 259 if (!ronly) 260 return EROFS; 261 262 /* 263 * Disallow multiple mounts of the same device. 264 * Disallow mounting of a device that is currently in use 265 * (except for root, which might share swap device for miniroot). 266 * Flush out any old buffers remaining from a previous use. 267 */ 268 if ((error = vfs_mountedon(devvp)) != 0) 269 return error; 270 if (vcount(devvp) > 1 && devvp != rootvp) 271 return EBUSY; 272 if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)) != 0) 273 return (error); 274 275 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, p); 276 if (error) 277 return error; 278 279 /* Read the filecore boot block to check FS validity and to find the map */ 280 error = bread(devvp, FILECORE_BOOTBLOCK_BLKN, 281 FILECORE_BOOTBLOCK_SIZE, NOCRED, &bp); 282 #ifdef FILECORE_DEBUG_BR 283 printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp, 284 FILECORE_BOOTBLOCK_BLKN, FILECORE_BOOTBLOCK_SIZE, 285 bp, error); 286 #endif 287 if (error != 0) 288 goto out; 289 if (filecore_bbchecksum(bp->b_data) != 0) { 290 error = EINVAL; 291 goto out; 292 } 293 fcdr = (struct filecore_disc_record *)(bp->b_data+FILECORE_BB_DISCREC); 294 map = ((((8 << fcdr->log2secsize) - fcdr->zone_spare) 295 * (fcdr->nzones / 2) - 8 * FILECORE_DISCREC_SIZE) 296 << fcdr->log2bpmb) >> fcdr->log2secsize; 297 log2secsize = fcdr->log2secsize; 298 bp->b_flags |= B_AGE; 299 #ifdef FILECORE_DEBUG_BR 300 printf("brelse(%p) vf1\n", bp); 301 #endif 302 brelse(bp); 303 bp = NULL; 304 305 /* Read the bootblock in the map */ 306 error = bread(devvp, map, 1 << log2secsize, NOCRED, &bp); 307 #ifdef FILECORE_DEBUG_BR 308 printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp, 309 map, 1 << log2secsize, bp, error); 310 #endif 311 if (error != 0) 312 goto out; 313 fcdr = (struct filecore_disc_record *)(bp->b_data + 4); 314 fcmp = malloc(sizeof *fcmp, M_FILECOREMNT, M_WAITOK); 315 memset((caddr_t)fcmp, 0, sizeof *fcmp); 316 if (fcdr->log2bpmb > fcdr->log2secsize) 317 fcmp->log2bsize = fcdr->log2bpmb; 318 else fcmp->log2bsize = fcdr->log2secsize; 319 fcmp->blksize = 1 << fcmp->log2bsize; 320 memcpy((caddr_t)&fcmp->drec, (caddr_t)fcdr, sizeof(*fcdr)); 321 fcmp->map = map; 322 fcmp->idspz = ((8 << fcdr->log2secsize) - fcdr->zone_spare) 323 / (fcdr->idlen + 1); 324 fcmp->mask = (1 << fcdr->idlen) - 1; 325 if (fcdr->big_flag & 1) { 326 fcmp->nblks = ((((u_int64_t)fcdr->disc_size_2) << 32) 327 + fcdr->disc_size) / fcmp->blksize; 328 } else { 329 fcmp->nblks=fcdr->disc_size / fcmp->blksize; 330 } 331 332 bp->b_flags |= B_AGE; 333 #ifdef FILECORE_DEBUG_BR 334 printf("brelse(%p) vf2\n", bp); 335 #endif 336 brelse(bp); 337 bp = NULL; 338 339 mp->mnt_data = fcmp; 340 mp->mnt_stat.f_fsid.val[0] = (long)dev; 341 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_FILECORE); 342 mp->mnt_maxsymlinklen = 0; 343 mp->mnt_flag |= MNT_LOCAL; 344 mp->mnt_dev_bshift = fcdr->log2secsize; 345 mp->mnt_fs_bshift = fcmp->log2bsize; 346 347 fcmp->fc_mountp = mp; 348 fcmp->fc_dev = dev; 349 fcmp->fc_devvp = devvp; 350 fcmp->fc_mntflags = argp->flags; 351 if (argp->flags & FILECOREMNT_USEUID) { 352 fcmp->fc_uid = p->p_cred->p_ruid; 353 fcmp->fc_gid = p->p_cred->p_rgid; 354 } else { 355 fcmp->fc_uid = argp->uid; 356 fcmp->fc_gid = argp->gid; 357 } 358 359 return 0; 360 out: 361 if (bp) { 362 #ifdef FILECORE_DEBUG_BR 363 printf("brelse(%p) vf3\n", bp); 364 #endif 365 brelse(bp); 366 } 367 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 368 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p); 369 VOP_UNLOCK(devvp, 0); 370 if (fcmp) { 371 free((caddr_t)fcmp, M_FILECOREMNT); 372 mp->mnt_data = NULL; 373 } 374 return error; 375 } 376 377 /* 378 * Make a filesystem operational. 379 * Nothing to do at the moment. 380 */ 381 /* ARGSUSED */ 382 int 383 filecore_start(mp, flags, p) 384 struct mount *mp; 385 int flags; 386 struct proc *p; 387 { 388 return 0; 389 } 390 391 /* 392 * unmount system call 393 */ 394 int 395 filecore_unmount(mp, mntflags, p) 396 struct mount *mp; 397 int mntflags; 398 struct proc *p; 399 { 400 struct filecore_mnt *fcmp; 401 int error, flags = 0; 402 403 if (mntflags & MNT_FORCE) 404 flags |= FORCECLOSE; 405 #if 0 406 mntflushbuf(mp, 0); 407 if (mntinvalbuf(mp)) 408 return EBUSY; 409 #endif 410 if ((error = vflush(mp, NULLVP, flags)) != 0) 411 return (error); 412 413 fcmp = VFSTOFILECORE(mp); 414 415 if (fcmp->fc_devvp->v_type != VBAD) 416 fcmp->fc_devvp->v_specmountpoint = NULL; 417 vn_lock(fcmp->fc_devvp, LK_EXCLUSIVE | LK_RETRY); 418 error = VOP_CLOSE(fcmp->fc_devvp, FREAD, NOCRED, p); 419 vput(fcmp->fc_devvp); 420 free((caddr_t)fcmp, M_FILECOREMNT); 421 mp->mnt_data = NULL; 422 mp->mnt_flag &= ~MNT_LOCAL; 423 return (error); 424 } 425 426 /* 427 * Return root of a filesystem 428 */ 429 int 430 filecore_root(mp, vpp) 431 struct mount *mp; 432 struct vnode **vpp; 433 { 434 struct vnode *nvp; 435 int error; 436 437 if ((error = VFS_VGET(mp, FILECORE_ROOTINO, &nvp)) != 0) 438 return (error); 439 *vpp = nvp; 440 return (0); 441 } 442 443 /* 444 * Do operations associated with quotas, not supported 445 */ 446 /* ARGSUSED */ 447 int 448 filecore_quotactl(mp, cmd, uid, arg, p) 449 struct mount *mp; 450 int cmd; 451 uid_t uid; 452 caddr_t arg; 453 struct proc *p; 454 { 455 456 return (EOPNOTSUPP); 457 } 458 459 /* 460 * Get file system statistics. 461 */ 462 int 463 filecore_statfs(mp, sbp, p) 464 struct mount *mp; 465 struct statfs *sbp; 466 struct proc *p; 467 { 468 struct filecore_mnt *fcmp = VFSTOFILECORE(mp); 469 470 #ifdef COMPAT_09 471 sbp->f_type = 255; 472 #else 473 sbp->f_type = 0; 474 #endif 475 sbp->f_bsize = fcmp->blksize; 476 sbp->f_iosize = sbp->f_bsize; /* XXX */ 477 sbp->f_blocks = fcmp->nblks; 478 sbp->f_bfree = 0; /* total free blocks */ 479 sbp->f_bavail = 0; /* blocks free for non superuser */ 480 sbp->f_files = 0; /* total files */ 481 sbp->f_ffree = 0; /* free file nodes */ 482 copy_statfs_info(sbp, mp); 483 return 0; 484 } 485 486 /* ARGSUSED */ 487 int 488 filecore_sync(mp, waitfor, cred, p) 489 struct mount *mp; 490 int waitfor; 491 struct ucred *cred; 492 struct proc *p; 493 { 494 return (0); 495 } 496 497 /* 498 * File handle to vnode 499 * 500 * Have to be really careful about stale file handles: 501 * - check that the inode number is in range 502 * - call iget() to get the locked inode 503 * - check for an unallocated inode (i_mode == 0) 504 * - check that the generation number matches 505 */ 506 507 struct ifid { 508 ushort ifid_len; 509 ushort ifid_pad; 510 u_int32_t ifid_ino; 511 }; 512 513 /* ARGSUSED */ 514 int 515 filecore_fhtovp(mp, fhp, vpp) 516 struct mount *mp; 517 struct fid *fhp; 518 struct vnode **vpp; 519 { 520 struct ifid *ifhp = (struct ifid *)fhp; 521 struct vnode *nvp; 522 struct filecore_node *ip; 523 int error; 524 525 if ((error = VFS_VGET(mp, ifhp->ifid_ino, &nvp)) != 0) { 526 *vpp = NULLVP; 527 return (error); 528 } 529 ip = VTOI(nvp); 530 if (filecore_staleinode(ip)) { 531 vput(nvp); 532 *vpp = NULLVP; 533 return (ESTALE); 534 } 535 *vpp = nvp; 536 return (0); 537 } 538 539 /* ARGSUSED */ 540 int 541 filecore_checkexp(mp, nam, exflagsp, credanonp) 542 struct mount *mp; 543 struct mbuf *nam; 544 int *exflagsp; 545 struct ucred **credanonp; 546 { 547 struct filecore_mnt *fcmp = VFSTOFILECORE(mp); 548 struct netcred *np; 549 550 /* 551 * Get the export permission structure for this <mp, client> tuple. 552 */ 553 np = vfs_export_lookup(mp, &fcmp->fc_export, nam); 554 if (np == NULL) 555 return (EACCES); 556 557 *exflagsp = np->netc_exflags; 558 *credanonp = &np->netc_anon; 559 return (0); 560 } 561 562 /* This looks complicated. Look at other vgets as well as the iso9660 one. 563 * 564 * The filecore inode number is made up of 1 byte directory entry index and 565 * 3 bytes of the internal disc address of the directory. On a read-only 566 * filesystem this is unique. For a read-write version we may not be able to 567 * do vget, see msdosfs. 568 */ 569 570 int 571 filecore_vget(mp, ino, vpp) 572 struct mount *mp; 573 ino_t ino; 574 struct vnode **vpp; 575 { 576 struct filecore_mnt *fcmp; 577 struct filecore_node *ip; 578 struct buf *bp; 579 struct vnode *vp; 580 dev_t dev; 581 int error; 582 583 fcmp = VFSTOFILECORE(mp); 584 dev = fcmp->fc_dev; 585 if ((*vpp = filecore_ihashget(dev, ino)) != NULLVP) 586 return (0); 587 588 /* Allocate a new vnode/filecore_node. */ 589 if ((error = getnewvnode(VT_FILECORE, mp, filecore_vnodeop_p, &vp)) 590 != 0) { 591 *vpp = NULLVP; 592 return (error); 593 } 594 ip = pool_get(&filecore_node_pool, PR_WAITOK); 595 memset(ip, 0, sizeof(struct filecore_node)); 596 vp->v_data = ip; 597 ip->i_vnode = vp; 598 ip->i_dev = dev; 599 ip->i_number = ino; 600 ip->i_block = -1; 601 ip->i_parent = -2; 602 603 /* 604 * Put it onto its hash chain and lock it so that other requests for 605 * this inode will block if they arrive while we are sleeping waiting 606 * for old data structures to be purged or for the contents of the 607 * disk portion of this inode to be read. 608 */ 609 filecore_ihashins(ip); 610 611 if (ino == FILECORE_ROOTINO) { 612 /* Here we need to construct a root directory inode */ 613 memcpy((caddr_t)ip->i_dirent.name, (caddr_t)"root", 4); 614 ip->i_dirent.load = 0; 615 ip->i_dirent.exec = 0; 616 ip->i_dirent.len = FILECORE_DIR_SIZE; 617 ip->i_dirent.addr = fcmp->drec.root; 618 ip->i_dirent.attr = FILECORE_ATTR_DIR | FILECORE_ATTR_READ; 619 620 } else { 621 /* Read in Data from Directory Entry */ 622 if ((error = filecore_bread(fcmp, ino & FILECORE_INO_MASK, 623 FILECORE_DIR_SIZE, NOCRED, &bp)) != 0) { 624 vput(vp); 625 #ifdef FILECORE_DEBUG_BR 626 printf("brelse(%p) vf4\n", bp); 627 #endif 628 brelse(bp); 629 *vpp = NULL; 630 return (error); 631 } 632 633 memcpy((caddr_t)&ip->i_dirent, 634 (caddr_t)fcdirentry(bp->b_data, ino >> FILECORE_INO_INDEX), 635 sizeof(struct filecore_direntry)); 636 #ifdef FILECORE_DEBUG_BR 637 printf("brelse(%p) vf5\n", bp); 638 #endif 639 brelse(bp); 640 } 641 642 ip->i_mnt = fcmp; 643 ip->i_devvp = fcmp->fc_devvp; 644 ip->i_diroff = 0; 645 VREF(ip->i_devvp); 646 647 /* 648 * Setup type 649 */ 650 vp->v_type = VREG; 651 if (ip->i_dirent.attr & FILECORE_ATTR_DIR) 652 vp->v_type = VDIR; 653 654 /* 655 * Initialize the associated vnode 656 */ 657 switch (vp->v_type) { 658 case VFIFO: 659 case VCHR: 660 case VBLK: 661 /* 662 * Devices not supported. 663 */ 664 vput(vp); 665 return (EOPNOTSUPP); 666 case VLNK: 667 case VNON: 668 case VSOCK: 669 case VDIR: 670 case VBAD: 671 case VREG: 672 break; 673 } 674 675 if (ino == FILECORE_ROOTINO) 676 vp->v_flag |= VROOT; 677 678 /* 679 * XXX need generation number? 680 */ 681 682 genfs_node_init(vp, &filecore_genfsops); 683 vp->v_size = ip->i_size; 684 *vpp = vp; 685 return (0); 686 } 687 688 /* 689 * Vnode pointer to File handle 690 */ 691 /* ARGSUSED */ 692 int 693 filecore_vptofh(vp, fhp) 694 struct vnode *vp; 695 struct fid *fhp; 696 { 697 struct filecore_node *ip = VTOI(vp); 698 struct ifid *ifhp; 699 700 ifhp = (struct ifid *)fhp; 701 ifhp->ifid_len = sizeof(struct ifid); 702 ifhp->ifid_ino = ip->i_number; 703 return 0; 704 } 705 706 int 707 filecore_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 708 int *name; 709 u_int namelen; 710 void *oldp; 711 size_t *oldlenp; 712 void *newp; 713 size_t newlen; 714 struct proc *p; 715 { 716 return (EOPNOTSUPP); 717 } 718
Indexes created Wed Oct 01 12:09:54 GMT 2025