filecore_vfsops.c revision 1.2
1 /* $NetBSD: filecore_vfsops.c,v 1.2 2003/02/01 06:23:41 thorpej 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 1.2 2003/02/01 06:23:41 thorpej 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 size_t size; 163 int error; 164 struct filecore_mnt *fcmp = NULL; 165 166 if (mp->mnt_flag & MNT_GETARGS) { 167 fcmp = VFSTOFILECORE(mp); 168 if (fcmp == NULL) 169 return EIO; 170 args.flags = fcmp->fc_mntflags; 171 args.uid = fcmp->fc_uid; 172 args.gid = fcmp->fc_gid; 173 args.fspec = NULL; 174 vfs_showexport(mp, &args.export, &fcmp->fc_export); 175 return copyout(&args, data, sizeof(args)); 176 } 177 error = copyin(data, (caddr_t)&args, sizeof (struct filecore_args)); 178 if (error) 179 return (error); 180 181 if ((mp->mnt_flag & MNT_RDONLY) == 0) 182 return (EROFS); 183 184 /* 185 * If updating, check whether changing from read-only to 186 * read/write; if there is no device name, that's all we do. 187 */ 188 if (mp->mnt_flag & MNT_UPDATE) { 189 fcmp = VFSTOFILECORE(mp); 190 if (args.fspec == 0) 191 return (vfs_export(mp, &fcmp->fc_export, &args.export)); 192 } 193 /* 194 * Not an update, or updating the name: look up the name 195 * and verify that it refers to a sensible block device. 196 */ 197 NDINIT(ndp, LOOKUP, FOLLOW, UIO_USERSPACE, args.fspec, p); 198 if ((error = namei(ndp)) != 0) 199 return (error); 200 devvp = ndp->ni_vp; 201 202 if (devvp->v_type != VBLK) { 203 vrele(devvp); 204 return ENOTBLK; 205 } 206 if (bdevsw_lookup(devvp->v_rdev) == NULL) { 207 vrele(devvp); 208 return ENXIO; 209 } 210 /* 211 * If mount by non-root, then verify that user has necessary 212 * permissions on the device. 213 */ 214 if (p->p_ucred->cr_uid != 0) { 215 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 216 error = VOP_ACCESS(devvp, VREAD, p->p_ucred, p); 217 VOP_UNLOCK(devvp, 0); 218 if (error) { 219 vrele(devvp); 220 return (error); 221 } 222 } 223 if ((mp->mnt_flag & MNT_UPDATE) == 0) 224 error = filecore_mountfs(devvp, mp, p, &args); 225 else { 226 if (devvp != fcmp->fc_devvp) 227 error = EINVAL; /* needs translation */ 228 else 229 vrele(devvp); 230 } 231 if (error) { 232 vrele(devvp); 233 return error; 234 } 235 fcmp = VFSTOFILECORE(mp); 236 (void) copyinstr(path, mp->mnt_stat.f_mntonname, MNAMELEN - 1, &size); 237 memset(mp->mnt_stat.f_mntonname + size, 0, MNAMELEN - size); 238 (void) copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1, 239 &size); 240 memset(mp->mnt_stat.f_mntfromname + size, 0, MNAMELEN - size); 241 return 0; 242 } 243 244 /* 245 * Common code for mount and mountroot 246 */ 247 static int 248 filecore_mountfs(devvp, mp, p, argp) 249 struct vnode *devvp; 250 struct mount *mp; 251 struct proc *p; 252 struct filecore_args *argp; 253 { 254 struct filecore_mnt *fcmp = (struct filecore_mnt *)0; 255 struct buf *bp = NULL; 256 dev_t dev = devvp->v_rdev; 257 int error = EINVAL; 258 int ronly = (mp->mnt_flag & MNT_RDONLY) != 0; 259 extern struct vnode *rootvp; 260 struct filecore_disc_record *fcdr; 261 unsigned map; 262 unsigned log2secsize; 263 264 if (!ronly) 265 return EROFS; 266 267 /* 268 * Disallow multiple mounts of the same device. 269 * Disallow mounting of a device that is currently in use 270 * (except for root, which might share swap device for miniroot). 271 * Flush out any old buffers remaining from a previous use. 272 */ 273 if ((error = vfs_mountedon(devvp)) != 0) 274 return error; 275 if (vcount(devvp) > 1 && devvp != rootvp) 276 return EBUSY; 277 if ((error = vinvalbuf(devvp, V_SAVE, p->p_ucred, p, 0, 0)) != 0) 278 return (error); 279 280 error = VOP_OPEN(devvp, ronly ? FREAD : FREAD|FWRITE, FSCRED, p); 281 if (error) 282 return error; 283 284 /* Read the filecore boot block to check FS validity and to find the map */ 285 error = bread(devvp, FILECORE_BOOTBLOCK_BLKN, 286 FILECORE_BOOTBLOCK_SIZE, NOCRED, &bp); 287 #ifdef FILECORE_DEBUG_BR 288 printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp, 289 FILECORE_BOOTBLOCK_BLKN, FILECORE_BOOTBLOCK_SIZE, 290 bp, error); 291 #endif 292 if (error != 0) 293 goto out; 294 if (filecore_bbchecksum(bp->b_data) != 0) { 295 error = EINVAL; 296 goto out; 297 } 298 fcdr = (struct filecore_disc_record *)(bp->b_data+FILECORE_BB_DISCREC); 299 map = ((((8 << fcdr->log2secsize) - fcdr->zone_spare) 300 * (fcdr->nzones / 2) - 8 * FILECORE_DISCREC_SIZE) 301 << fcdr->log2bpmb) >> fcdr->log2secsize; 302 log2secsize = fcdr->log2secsize; 303 bp->b_flags |= B_AGE; 304 #ifdef FILECORE_DEBUG_BR 305 printf("brelse(%p) vf1\n", bp); 306 #endif 307 brelse(bp); 308 bp = NULL; 309 310 /* Read the bootblock in the map */ 311 error = bread(devvp, map, 1 << log2secsize, NOCRED, &bp); 312 #ifdef FILECORE_DEBUG_BR 313 printf("bread(%p, %x, %d, CRED, %p)=%d\n", devvp, 314 map, 1 << log2secsize, bp, error); 315 #endif 316 if (error != 0) 317 goto out; 318 fcdr = (struct filecore_disc_record *)(bp->b_data + 4); 319 fcmp = malloc(sizeof *fcmp, M_FILECOREMNT, M_WAITOK); 320 memset((caddr_t)fcmp, 0, sizeof *fcmp); 321 if (fcdr->log2bpmb > fcdr->log2secsize) 322 fcmp->log2bsize = fcdr->log2bpmb; 323 else fcmp->log2bsize = fcdr->log2secsize; 324 fcmp->blksize = 1 << fcmp->log2bsize; 325 memcpy((caddr_t)&fcmp->drec, (caddr_t)fcdr, sizeof(*fcdr)); 326 fcmp->map = map; 327 fcmp->idspz = ((8 << fcdr->log2secsize) - fcdr->zone_spare) 328 / (fcdr->idlen + 1); 329 fcmp->mask = (1 << fcdr->idlen) - 1; 330 if (fcdr->big_flag & 1) { 331 fcmp->nblks = ((((u_int64_t)fcdr->disc_size_2) << 32) 332 + fcdr->disc_size) / fcmp->blksize; 333 } else { 334 fcmp->nblks=fcdr->disc_size / fcmp->blksize; 335 } 336 337 bp->b_flags |= B_AGE; 338 #ifdef FILECORE_DEBUG_BR 339 printf("brelse(%p) vf2\n", bp); 340 #endif 341 brelse(bp); 342 bp = NULL; 343 344 mp->mnt_data = fcmp; 345 mp->mnt_stat.f_fsid.val[0] = (long)dev; 346 mp->mnt_stat.f_fsid.val[1] = makefstype(MOUNT_FILECORE); 347 mp->mnt_maxsymlinklen = 0; 348 mp->mnt_flag |= MNT_LOCAL; 349 mp->mnt_dev_bshift = fcdr->log2secsize; 350 mp->mnt_fs_bshift = fcmp->log2bsize; 351 352 fcmp->fc_mountp = mp; 353 fcmp->fc_dev = dev; 354 fcmp->fc_devvp = devvp; 355 fcmp->fc_mntflags = argp->flags; 356 if (argp->flags & FILECOREMNT_USEUID) { 357 fcmp->fc_uid = p->p_cred->p_ruid; 358 fcmp->fc_gid = p->p_cred->p_rgid; 359 } else { 360 fcmp->fc_uid = argp->uid; 361 fcmp->fc_gid = argp->gid; 362 } 363 364 return 0; 365 out: 366 if (bp) { 367 #ifdef FILECORE_DEBUG_BR 368 printf("brelse(%p) vf3\n", bp); 369 #endif 370 brelse(bp); 371 } 372 vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); 373 (void)VOP_CLOSE(devvp, ronly ? FREAD : FREAD|FWRITE, NOCRED, p); 374 VOP_UNLOCK(devvp, 0); 375 if (fcmp) { 376 free((caddr_t)fcmp, M_FILECOREMNT); 377 mp->mnt_data = NULL; 378 } 379 return error; 380 } 381 382 /* 383 * Make a filesystem operational. 384 * Nothing to do at the moment. 385 */ 386 /* ARGSUSED */ 387 int 388 filecore_start(mp, flags, p) 389 struct mount *mp; 390 int flags; 391 struct proc *p; 392 { 393 return 0; 394 } 395 396 /* 397 * unmount system call 398 */ 399 int 400 filecore_unmount(mp, mntflags, p) 401 struct mount *mp; 402 int mntflags; 403 struct proc *p; 404 { 405 struct filecore_mnt *fcmp; 406 int error, flags = 0; 407 408 if (mntflags & MNT_FORCE) 409 flags |= FORCECLOSE; 410 #if 0 411 mntflushbuf(mp, 0); 412 if (mntinvalbuf(mp)) 413 return EBUSY; 414 #endif 415 if ((error = vflush(mp, NULLVP, flags)) != 0) 416 return (error); 417 418 fcmp = VFSTOFILECORE(mp); 419 420 if (fcmp->fc_devvp->v_type != VBAD) 421 fcmp->fc_devvp->v_specmountpoint = NULL; 422 vn_lock(fcmp->fc_devvp, LK_EXCLUSIVE | LK_RETRY); 423 error = VOP_CLOSE(fcmp->fc_devvp, FREAD, NOCRED, p); 424 vput(fcmp->fc_devvp); 425 free((caddr_t)fcmp, M_FILECOREMNT); 426 mp->mnt_data = NULL; 427 mp->mnt_flag &= ~MNT_LOCAL; 428 return (error); 429 } 430 431 /* 432 * Return root of a filesystem 433 */ 434 int 435 filecore_root(mp, vpp) 436 struct mount *mp; 437 struct vnode **vpp; 438 { 439 struct vnode *nvp; 440 int error; 441 442 if ((error = VFS_VGET(mp, FILECORE_ROOTINO, &nvp)) != 0) 443 return (error); 444 *vpp = nvp; 445 return (0); 446 } 447 448 /* 449 * Do operations associated with quotas, not supported 450 */ 451 /* ARGSUSED */ 452 int 453 filecore_quotactl(mp, cmd, uid, arg, p) 454 struct mount *mp; 455 int cmd; 456 uid_t uid; 457 caddr_t arg; 458 struct proc *p; 459 { 460 461 return (EOPNOTSUPP); 462 } 463 464 /* 465 * Get file system statistics. 466 */ 467 int 468 filecore_statfs(mp, sbp, p) 469 struct mount *mp; 470 struct statfs *sbp; 471 struct proc *p; 472 { 473 struct filecore_mnt *fcmp = VFSTOFILECORE(mp); 474 475 #ifdef COMPAT_09 476 sbp->f_type = 255; 477 #else 478 sbp->f_type = 0; 479 #endif 480 sbp->f_bsize = fcmp->blksize; 481 sbp->f_iosize = sbp->f_bsize; /* XXX */ 482 sbp->f_blocks = fcmp->nblks; 483 sbp->f_bfree = 0; /* total free blocks */ 484 sbp->f_bavail = 0; /* blocks free for non superuser */ 485 sbp->f_files = 0; /* total files */ 486 sbp->f_ffree = 0; /* free file nodes */ 487 if (sbp != &mp->mnt_stat) { 488 memcpy(sbp->f_mntonname, mp->mnt_stat.f_mntonname, MNAMELEN); 489 memcpy(sbp->f_mntfromname, mp->mnt_stat.f_mntfromname, MNAMELEN); 490 } 491 strncpy(sbp->f_fstypename, mp->mnt_op->vfs_name, MFSNAMELEN); 492 return 0; 493 } 494 495 /* ARGSUSED */ 496 int 497 filecore_sync(mp, waitfor, cred, p) 498 struct mount *mp; 499 int waitfor; 500 struct ucred *cred; 501 struct proc *p; 502 { 503 return (0); 504 } 505 506 /* 507 * File handle to vnode 508 * 509 * Have to be really careful about stale file handles: 510 * - check that the inode number is in range 511 * - call iget() to get the locked inode 512 * - check for an unallocated inode (i_mode == 0) 513 * - check that the generation number matches 514 */ 515 516 struct ifid { 517 ushort ifid_len; 518 ushort ifid_pad; 519 u_int32_t ifid_ino; 520 }; 521 522 /* ARGSUSED */ 523 int 524 filecore_fhtovp(mp, fhp, vpp) 525 struct mount *mp; 526 struct fid *fhp; 527 struct vnode **vpp; 528 { 529 struct ifid *ifhp = (struct ifid *)fhp; 530 struct vnode *nvp; 531 struct filecore_node *ip; 532 int error; 533 534 if ((error = VFS_VGET(mp, ifhp->ifid_ino, &nvp)) != 0) { 535 *vpp = NULLVP; 536 return (error); 537 } 538 ip = VTOI(nvp); 539 if (filecore_staleinode(ip)) { 540 vput(nvp); 541 *vpp = NULLVP; 542 return (ESTALE); 543 } 544 *vpp = nvp; 545 return (0); 546 } 547 548 /* ARGSUSED */ 549 int 550 filecore_checkexp(mp, nam, exflagsp, credanonp) 551 struct mount *mp; 552 struct mbuf *nam; 553 int *exflagsp; 554 struct ucred **credanonp; 555 { 556 struct filecore_mnt *fcmp = VFSTOFILECORE(mp); 557 struct netcred *np; 558 559 /* 560 * Get the export permission structure for this <mp, client> tuple. 561 */ 562 np = vfs_export_lookup(mp, &fcmp->fc_export, nam); 563 if (np == NULL) 564 return (EACCES); 565 566 *exflagsp = np->netc_exflags; 567 *credanonp = &np->netc_anon; 568 return (0); 569 } 570 571 /* This looks complicated. Look at other vgets as well as the iso9660 one. 572 * 573 * The filecore inode number is made up of 1 byte directory entry index and 574 * 3 bytes of the internal disc address of the directory. On a read-only 575 * filesystem this is unique. For a read-write version we may not be able to 576 * do vget, see msdosfs. 577 */ 578 579 int 580 filecore_vget(mp, ino, vpp) 581 struct mount *mp; 582 ino_t ino; 583 struct vnode **vpp; 584 { 585 struct filecore_mnt *fcmp; 586 struct filecore_node *ip; 587 struct buf *bp; 588 struct vnode *vp; 589 dev_t dev; 590 int error; 591 592 fcmp = VFSTOFILECORE(mp); 593 dev = fcmp->fc_dev; 594 if ((*vpp = filecore_ihashget(dev, ino)) != NULLVP) 595 return (0); 596 597 /* Allocate a new vnode/filecore_node. */ 598 if ((error = getnewvnode(VT_FILECORE, mp, filecore_vnodeop_p, &vp)) 599 != 0) { 600 *vpp = NULLVP; 601 return (error); 602 } 603 ip = pool_get(&filecore_node_pool, PR_WAITOK); 604 memset(ip, 0, sizeof(struct filecore_node)); 605 vp->v_data = ip; 606 ip->i_vnode = vp; 607 ip->i_dev = dev; 608 ip->i_number = ino; 609 ip->i_block = -1; 610 ip->i_parent = -2; 611 612 /* 613 * Put it onto its hash chain and lock it so that other requests for 614 * this inode will block if they arrive while we are sleeping waiting 615 * for old data structures to be purged or for the contents of the 616 * disk portion of this inode to be read. 617 */ 618 filecore_ihashins(ip); 619 620 if (ino == FILECORE_ROOTINO) { 621 /* Here we need to construct a root directory inode */ 622 memcpy((caddr_t)ip->i_dirent.name, (caddr_t)"root", 4); 623 ip->i_dirent.load = 0; 624 ip->i_dirent.exec = 0; 625 ip->i_dirent.len = FILECORE_DIR_SIZE; 626 ip->i_dirent.addr = fcmp->drec.root; 627 ip->i_dirent.attr = FILECORE_ATTR_DIR | FILECORE_ATTR_READ; 628 629 } else { 630 /* Read in Data from Directory Entry */ 631 if ((error = filecore_bread(fcmp, ino & FILECORE_INO_MASK, 632 FILECORE_DIR_SIZE, NOCRED, &bp)) != 0) { 633 vput(vp); 634 #ifdef FILECORE_DEBUG_BR 635 printf("brelse(%p) vf4\n", bp); 636 #endif 637 brelse(bp); 638 *vpp = NULL; 639 return (error); 640 } 641 642 memcpy((caddr_t)&ip->i_dirent, 643 (caddr_t)fcdirentry(bp->b_data, ino >> FILECORE_INO_INDEX), 644 sizeof(struct filecore_direntry)); 645 #ifdef FILECORE_DEBUG_BR 646 printf("brelse(%p) vf5\n", bp); 647 #endif 648 brelse(bp); 649 } 650 651 ip->i_mnt = fcmp; 652 ip->i_devvp = fcmp->fc_devvp; 653 ip->i_diroff = 0; 654 VREF(ip->i_devvp); 655 656 /* 657 * Setup type 658 */ 659 vp->v_type = VREG; 660 if (ip->i_dirent.attr & FILECORE_ATTR_DIR) 661 vp->v_type = VDIR; 662 663 /* 664 * Initialize the associated vnode 665 */ 666 switch (vp->v_type) { 667 case VFIFO: 668 case VCHR: 669 case VBLK: 670 /* 671 * Devices not supported. 672 */ 673 vput(vp); 674 return (EOPNOTSUPP); 675 case VLNK: 676 case VNON: 677 case VSOCK: 678 case VDIR: 679 case VBAD: 680 case VREG: 681 break; 682 } 683 684 if (ino == FILECORE_ROOTINO) 685 vp->v_flag |= VROOT; 686 687 /* 688 * XXX need generation number? 689 */ 690 691 genfs_node_init(vp, &filecore_genfsops); 692 vp->v_size = ip->i_size; 693 *vpp = vp; 694 return (0); 695 } 696 697 /* 698 * Vnode pointer to File handle 699 */ 700 /* ARGSUSED */ 701 int 702 filecore_vptofh(vp, fhp) 703 struct vnode *vp; 704 struct fid *fhp; 705 { 706 struct filecore_node *ip = VTOI(vp); 707 struct ifid *ifhp; 708 709 ifhp = (struct ifid *)fhp; 710 ifhp->ifid_len = sizeof(struct ifid); 711 ifhp->ifid_ino = ip->i_number; 712 return 0; 713 } 714 715 int 716 filecore_sysctl(name, namelen, oldp, oldlenp, newp, newlen, p) 717 int *name; 718 u_int namelen; 719 void *oldp; 720 size_t *oldlenp; 721 void *newp; 722 size_t newlen; 723 struct proc *p; 724 { 725 return (EOPNOTSUPP); 726 } 727
Indexes created Wed Oct 01 12:09:54 GMT 2025