/* $NetBSD: cd9660_vfsops.c,v 1.70.4.1 2010/07/03 01:19:49 rmind Exp $ */ /*- * Copyright (c) 1994 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley * by Pace Willisson (pace@blitz.com). The Rock Ridge Extension * Support code is derived from software contributed to Berkeley * by Atsushi Murai (amurai@spec.co.jp). * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)cd9660_vfsops.c 8.18 (Berkeley) 5/22/95 */ #include __KERNEL_RCSID(0, "$NetBSD: cd9660_vfsops.c,v 1.70.4.1 2010/07/03 01:19:49 rmind Exp $"); #if defined(_KERNEL_OPT) #include "opt_compat_netbsd.h" #endif #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include MODULE(MODULE_CLASS_VFS, cd9660, NULL); MALLOC_JUSTDEFINE(M_ISOFSMNT, "ISOFS mount", "ISOFS mount structure"); static struct sysctllog *cd9660_sysctl_log; extern const struct vnodeopv_desc cd9660_vnodeop_opv_desc; extern const struct vnodeopv_desc cd9660_specop_opv_desc; extern const struct vnodeopv_desc cd9660_fifoop_opv_desc; const struct vnodeopv_desc * const cd9660_vnodeopv_descs[] = { &cd9660_vnodeop_opv_desc, &cd9660_specop_opv_desc, &cd9660_fifoop_opv_desc, NULL, }; struct vfsops cd9660_vfsops = { MOUNT_CD9660, sizeof (struct iso_args), cd9660_mount, cd9660_start, cd9660_unmount, cd9660_root, (void *)eopnotsupp, cd9660_statvfs, cd9660_sync, cd9660_vget, cd9660_fhtovp, cd9660_vptofh, cd9660_init, cd9660_reinit, cd9660_done, cd9660_mountroot, (int (*)(struct mount *, struct vnode *, struct timespec *)) eopnotsupp, vfs_stdextattrctl, (void *)eopnotsupp, /* vfs_suspendctl */ genfs_renamelock_enter, genfs_renamelock_exit, (void *)eopnotsupp, cd9660_vnodeopv_descs, 0, /* refcount */ { NULL, NULL } /* list */ }; static const struct genfs_ops cd9660_genfsops = { .gop_size = genfs_size, }; /* * Called by vfs_mountroot when iso is going to be mounted as root. * * Name is updated by mount(8) after booting. */ #define ROOTNAME "root_device" static int iso_makemp(struct iso_mnt *isomp, struct buf *bp, int *ea_len); static int iso_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, struct iso_args *argp); static int cd9660_modcmd(modcmd_t cmd, void *arg) { int error; switch (cmd) { case MODULE_CMD_INIT: error = vfs_attach(&cd9660_vfsops); if (error != 0) break; sysctl_createv(&cd9660_sysctl_log, 0, NULL, NULL, CTLFLAG_PERMANENT, CTLTYPE_NODE, "vfs", NULL, NULL, 0, NULL, 0, CTL_VFS, CTL_EOL); sysctl_createv(&cd9660_sysctl_log, 0, NULL, NULL, CTLFLAG_PERMANENT, CTLTYPE_NODE, "cd9660", SYSCTL_DESCR("ISO-9660 file system"), NULL, 0, NULL, 0, CTL_VFS, 14, CTL_EOL); sysctl_createv(&cd9660_sysctl_log, 0, NULL, NULL, CTLFLAG_PERMANENT|CTLFLAG_READWRITE, CTLTYPE_INT, "utf8_joliet", SYSCTL_DESCR("Encode Joliet filenames to UTF-8"), NULL, 0, &cd9660_utf8_joliet, 0, CTL_VFS, 14, CD9660_UTF8_JOLIET, CTL_EOL); /* * XXX the "14" above could be dynamic, thereby eliminating * one more instance of the "number to vfs" mapping problem, * but "14" is the order as taken from sys/mount.h */ break; case MODULE_CMD_FINI: error = vfs_detach(&cd9660_vfsops); if (error != 0) break; sysctl_teardown(&cd9660_sysctl_log); break; default: error = ENOTTY; break; } return (error); } int cd9660_mountroot(void) { struct mount *mp; struct lwp *l = curlwp; int error; struct iso_args args; if (device_class(root_device) != DV_DISK) return (ENODEV); if ((error = vfs_rootmountalloc(MOUNT_CD9660, "root_device", &mp)) != 0) { vrele(rootvp); return (error); } args.flags = ISOFSMNT_ROOT; if ((error = iso_mountfs(rootvp, mp, l, &args)) != 0) { vfs_unbusy(mp, false, NULL); vfs_destroy(mp); return (error); } mutex_enter(&mountlist_lock); CIRCLEQ_INSERT_TAIL(&mountlist, mp, mnt_list); mutex_exit(&mountlist_lock); (void)cd9660_statvfs(mp, &mp->mnt_stat); vfs_unbusy(mp, false, NULL); return (0); } /* * VFS Operations. * * mount system call */ int cd9660_mount(struct mount *mp, const char *path, void *data, size_t *data_len) { struct lwp *l = curlwp; struct vnode *devvp; struct iso_args *args = data; int error; struct iso_mnt *imp = VFSTOISOFS(mp); if (*data_len < sizeof *args) return EINVAL; if (mp->mnt_flag & MNT_GETARGS) { if (imp == NULL) return EIO; args->fspec = NULL; args->flags = imp->im_flags; *data_len = sizeof (*args); return 0; } if ((mp->mnt_flag & MNT_RDONLY) == 0) return (EROFS); if ((mp->mnt_flag & MNT_UPDATE) && args->fspec == NULL) return EINVAL; /* * Not an update, or updating the name: look up the name * and verify that it refers to a sensible block device. */ error = namei_simple_user(args->fspec, NSM_FOLLOW_NOEMULROOT, &devvp); if (error != 0) return (error); if (devvp->v_type != VBLK) { vrele(devvp); return ENOTBLK; } if (bdevsw_lookup(devvp->v_rdev) == NULL) { vrele(devvp); return ENXIO; } /* * If mount by non-root, then verify that user has necessary * permissions on the device. */ vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); error = genfs_can_mount(devvp, VREAD, l->l_cred); VOP_UNLOCK(devvp); if (error) { vrele(devvp); return (error); } if ((mp->mnt_flag & MNT_UPDATE) == 0) { error = VOP_OPEN(devvp, FREAD, FSCRED); if (error) goto fail; error = iso_mountfs(devvp, mp, l, args); if (error) { vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); (void)VOP_CLOSE(devvp, FREAD, NOCRED); VOP_UNLOCK(devvp); goto fail; } } else { vrele(devvp); if (devvp != imp->im_devvp && devvp->v_rdev != imp->im_devvp->v_rdev) return (EINVAL); /* needs translation */ } return set_statvfs_info(path, UIO_USERSPACE, args->fspec, UIO_USERSPACE, mp->mnt_op->vfs_name, mp, l); fail: vrele(devvp); return (error); } /* * Make a mount point from a volume descriptor */ static int iso_makemp(struct iso_mnt *isomp, struct buf *bp, int *ea_len) { struct iso_primary_descriptor *pri; int logical_block_size; struct iso_directory_record *rootp; pri = (struct iso_primary_descriptor *)bp->b_data; logical_block_size = isonum_723 (pri->logical_block_size); if (logical_block_size < DEV_BSIZE || logical_block_size > MAXBSIZE || (logical_block_size & (logical_block_size - 1)) != 0) return -1; rootp = (struct iso_directory_record *)pri->root_directory_record; isomp->logical_block_size = logical_block_size; isomp->volume_space_size = isonum_733 (pri->volume_space_size); memcpy(isomp->root, rootp, sizeof(isomp->root)); isomp->root_extent = isonum_733 (rootp->extent); isomp->root_size = isonum_733 (rootp->size); isomp->im_joliet_level = 0; isomp->im_bmask = logical_block_size - 1; isomp->im_bshift = 0; while ((1 << isomp->im_bshift) < isomp->logical_block_size) isomp->im_bshift++; if (ea_len != NULL) *ea_len = isonum_711(rootp->ext_attr_length); return 0; } /* * Common code for mount and mountroot */ static int iso_mountfs(struct vnode *devvp, struct mount *mp, struct lwp *l, struct iso_args *argp) { struct iso_mnt *isomp = (struct iso_mnt *)0; struct buf *bp = NULL, *pribp = NULL, *supbp = NULL; dev_t dev = devvp->v_rdev; int error = EINVAL; int ronly = (mp->mnt_flag & MNT_RDONLY) != 0; int iso_bsize; int iso_blknum; int joliet_level; struct iso_volume_descriptor *vdp; struct iso_supplementary_descriptor *sup; int sess = 0; int ext_attr_length; struct disklabel label; if (!ronly) return EROFS; /* Flush out any old buffers remaining from a previous use. */ if ((error = vinvalbuf(devvp, V_SAVE, l->l_cred, l, 0, 0)) != 0) return (error); /* This is the "logical sector size". The standard says this * should be 2048 or the physical sector size on the device, * whichever is greater. For now, we'll just use a constant. */ iso_bsize = ISO_DEFAULT_BLOCK_SIZE; error = VOP_IOCTL(devvp, DIOCGDINFO, &label, FREAD, FSCRED); if (!error) { /* XXX more sanity checks? */ sess = label.d_partitions[DISKPART(dev)].p_cdsession; } else { /* fallback to old method */ error = VOP_IOCTL(devvp, CDIOREADMSADDR, &sess, 0, FSCRED); if (error) sess = 0; /* never mind */ } #ifdef ISO_DEBUG printf("isofs: session offset (part %"PRId32") %d\n", DISKPART(dev), sess); #endif for (iso_blknum = 16; iso_blknum < 100; iso_blknum++) { if ((error = bread(devvp, (iso_blknum+sess) * btodb(iso_bsize), iso_bsize, NOCRED, 0, &bp)) != 0) goto out; vdp = (struct iso_volume_descriptor *)bp->b_data; if (memcmp(vdp->id, ISO_STANDARD_ID, sizeof(vdp->id)) != 0) { error = EINVAL; goto out; } switch (isonum_711(vdp->type)) { case ISO_VD_PRIMARY: if (pribp == NULL) { pribp = bp; bp = NULL; } break; case ISO_VD_SUPPLEMENTARY: if (supbp == NULL) { supbp = bp; bp = NULL; } break; default: break; } if (isonum_711 (vdp->type) == ISO_VD_END) { brelse(bp, 0); bp = NULL; break; } if (bp != NULL) { brelse(bp, 0); bp = NULL; } } if (pribp == NULL) { error = EINVAL; goto out; } isomp = malloc(sizeof *isomp, M_ISOFSMNT, M_WAITOK); memset(isomp, 0, sizeof *isomp); if (iso_makemp(isomp, pribp, &ext_attr_length) == -1) { error = EINVAL; goto out; } isomp->volume_space_size += sess; brelse(pribp, BC_AGE); pribp = NULL; mp->mnt_data = isomp; mp->mnt_stat.f_fsidx.__fsid_val[0] = (long)dev; mp->mnt_stat.f_fsidx.__fsid_val[1] = makefstype(MOUNT_CD9660); mp->mnt_stat.f_fsid = mp->mnt_stat.f_fsidx.__fsid_val[0]; mp->mnt_stat.f_namemax = MAXNAMLEN; mp->mnt_flag |= MNT_LOCAL; mp->mnt_iflag |= IMNT_MPSAFE; mp->mnt_dev_bshift = iso_bsize; mp->mnt_fs_bshift = isomp->im_bshift; isomp->im_mountp = mp; isomp->im_dev = dev; isomp->im_devvp = devvp; /* Check the Rock Ridge Extension support */ if (!(argp->flags & ISOFSMNT_NORRIP)) { struct iso_directory_record *rootp; if ((error = bread(isomp->im_devvp, (isomp->root_extent + ext_attr_length) << (isomp->im_bshift - DEV_BSHIFT), isomp->logical_block_size, NOCRED, 0, &bp)) != 0) goto out; rootp = (struct iso_directory_record *)bp->b_data; if ((isomp->rr_skip = cd9660_rrip_offset(rootp,isomp)) < 0) { argp->flags |= ISOFSMNT_NORRIP; } else { argp->flags &= ~ISOFSMNT_GENS; } /* * The contents are valid, * but they will get reread as part of another vnode, so... */ brelse(bp, BC_AGE); bp = NULL; } isomp->im_flags = argp->flags & (ISOFSMNT_NORRIP | ISOFSMNT_GENS | ISOFSMNT_EXTATT | ISOFSMNT_NOJOLIET | ISOFSMNT_RRCASEINS); if (isomp->im_flags & ISOFSMNT_GENS) isomp->iso_ftype = ISO_FTYPE_9660; else if (isomp->im_flags & ISOFSMNT_NORRIP) { isomp->iso_ftype = ISO_FTYPE_DEFAULT; if (argp->flags & ISOFSMNT_NOCASETRANS) isomp->im_flags |= ISOFSMNT_NOCASETRANS; } else isomp->iso_ftype = ISO_FTYPE_RRIP; /* Check the Joliet Extension support */ if ((argp->flags & ISOFSMNT_NORRIP) != 0 && (argp->flags & ISOFSMNT_NOJOLIET) == 0 && supbp != NULL) { joliet_level = 0; sup = (struct iso_supplementary_descriptor *)supbp->b_data; if ((isonum_711(sup->flags) & 1) == 0) { if (memcmp(sup->escape, "%/@", 3) == 0) joliet_level = 1; if (memcmp(sup->escape, "%/C", 3) == 0) joliet_level = 2; if (memcmp(sup->escape, "%/E", 3) == 0) joliet_level = 3; } if (joliet_level != 0) { if (iso_makemp(isomp, supbp, NULL) == -1) { error = EINVAL; goto out; } isomp->im_joliet_level = joliet_level; } } if (supbp != NULL) { brelse(supbp, 0); supbp = NULL; } devvp->v_specmountpoint = mp; return 0; out: if (bp) brelse(bp, 0); if (pribp) brelse(pribp, 0); if (supbp) brelse(supbp, 0); if (isomp) { free(isomp, M_ISOFSMNT); mp->mnt_data = NULL; } return error; } /* * Make a filesystem operational. * Nothing to do at the moment. */ /* ARGSUSED */ int cd9660_start(struct mount *mp, int flags) { return 0; } /* * unmount system call */ int cd9660_unmount(struct mount *mp, int mntflags) { struct iso_mnt *isomp; int error, flags = 0; if (mntflags & MNT_FORCE) flags |= FORCECLOSE; if ((error = vflush(mp, NULLVP, flags)) != 0) return (error); isomp = VFSTOISOFS(mp); if (isomp->im_devvp->v_type != VBAD) isomp->im_devvp->v_specmountpoint = NULL; vn_lock(isomp->im_devvp, LK_EXCLUSIVE | LK_RETRY); error = VOP_CLOSE(isomp->im_devvp, FREAD, NOCRED); vput(isomp->im_devvp); free(isomp, M_ISOFSMNT); mp->mnt_data = NULL; mp->mnt_flag &= ~MNT_LOCAL; return (error); } /* * Return root of a filesystem */ int cd9660_root(struct mount *mp, struct vnode **vpp) { struct iso_mnt *imp = VFSTOISOFS(mp); struct iso_directory_record *dp = (struct iso_directory_record *)imp->root; ino_t ino = isodirino(dp, imp); /* * With RRIP we must use the `.' entry of the root directory. * Simply tell vget, that it's a relocated directory. */ return (cd9660_vget_internal(mp, ino, vpp, imp->iso_ftype == ISO_FTYPE_RRIP, dp)); } /* * Get file system statistics. */ int cd9660_statvfs(struct mount *mp, struct statvfs *sbp) { struct iso_mnt *isomp; isomp = VFSTOISOFS(mp); sbp->f_bsize = isomp->logical_block_size; sbp->f_frsize = sbp->f_bsize; sbp->f_iosize = sbp->f_bsize; /* XXX */ sbp->f_blocks = isomp->volume_space_size; sbp->f_bfree = 0; /* total free blocks */ sbp->f_bavail = 0; /* blocks free for non superuser */ sbp->f_bresvd = 0; /* total reserved blocks */ sbp->f_files = 0; /* total files */ sbp->f_ffree = 0; /* free file nodes */ sbp->f_favail = 0; /* free file nodes for non superuser */ sbp->f_fresvd = 0; /* reserved file nodes */ copy_statvfs_info(sbp, mp); /* Use the first spare for flags: */ sbp->f_spare[0] = isomp->im_flags; return 0; } /* ARGSUSED */ int cd9660_sync(struct mount *mp, int waitfor, kauth_cred_t cred) { return 0; } /* * File handle to vnode * * Have to be really careful about stale file handles: * - check that the inode number is in range * - call iget() to get the locked inode * - check for an unallocated inode (i_mode == 0) * - check that the generation number matches */ struct ifid { ushort ifid_len; ushort ifid_pad; int ifid_ino; long ifid_start; }; /* ARGSUSED */ int cd9660_fhtovp(struct mount *mp, struct fid *fhp, struct vnode **vpp) { struct ifid ifh; struct iso_node *ip; struct vnode *nvp; int error; if (fhp->fid_len != sizeof(ifh)) return EINVAL; memcpy(&ifh, fhp, sizeof(ifh)); #ifdef ISOFS_DBG printf("fhtovp: ino %d, start %ld\n", ifh.ifid_ino, ifh.ifid_start); #endif if ((error = VFS_VGET(mp, ifh.ifid_ino, &nvp)) != 0) { *vpp = NULLVP; return (error); } ip = VTOI(nvp); if (ip->inode.iso_mode == 0) { vput(nvp); *vpp = NULLVP; return (ESTALE); } *vpp = nvp; return (0); } int cd9660_vget(struct mount *mp, ino_t ino, struct vnode **vpp) { /* * XXXX * It would be nice if we didn't always set the `relocated' flag * and force the extra read, but I don't want to think about fixing * that right now. */ return (cd9660_vget_internal(mp, ino, vpp, #if 0 VFSTOISOFS(mp)->iso_ftype == ISO_FTYPE_RRIP, #else 0, #endif NULL)); } int cd9660_vget_internal(struct mount *mp, ino_t ino, struct vnode **vpp, int relocated, struct iso_directory_record *isodir) { struct iso_mnt *imp; struct iso_node *ip; struct buf *bp; struct vnode *vp; dev_t dev; int error; imp = VFSTOISOFS(mp); dev = imp->im_dev; retry: if ((*vpp = cd9660_ihashget(dev, ino, LK_EXCLUSIVE)) != NULLVP) return (0); /* Allocate a new vnode/iso_node. */ if ((error = getnewvnode(VT_ISOFS, mp, cd9660_vnodeop_p, &vp)) != 0) { *vpp = NULLVP; return (error); } ip = pool_get(&cd9660_node_pool, PR_WAITOK); /* * If someone beat us to it, put back the freshly allocated * vnode/inode pair and retry. */ mutex_enter(&cd9660_hashlock); if (cd9660_ihashget(dev, ino, 0) != NULL) { mutex_exit(&cd9660_hashlock); ungetnewvnode(vp); pool_put(&cd9660_node_pool, ip); goto retry; } memset(ip, 0, sizeof(struct iso_node)); vp->v_data = ip; ip->i_vnode = vp; ip->i_dev = dev; ip->i_number = ino; ip->i_mnt = imp; ip->i_devvp = imp->im_devvp; genfs_node_init(vp, &cd9660_genfsops); /* * Put it onto its hash chain and lock it so that other requests for * this inode will block if they arrive while we are sleeping waiting * for old data structures to be purged or for the contents of the * disk portion of this inode to be read. */ cd9660_ihashins(ip); mutex_exit(&cd9660_hashlock); if (isodir == 0) { int lbn, off; lbn = lblkno(imp, ino); if (lbn >= imp->volume_space_size) { vput(vp); printf("fhtovp: lbn exceed volume space %d\n", lbn); return (ESTALE); } off = blkoff(imp, ino); if (off + ISO_DIRECTORY_RECORD_SIZE > imp->logical_block_size) { vput(vp); printf("fhtovp: crosses block boundary %d\n", off + ISO_DIRECTORY_RECORD_SIZE); return (ESTALE); } error = bread(imp->im_devvp, lbn << (imp->im_bshift - DEV_BSHIFT), imp->logical_block_size, NOCRED, 0, &bp); if (error) { vput(vp); brelse(bp, 0); printf("fhtovp: bread error %d\n",error); return (error); } isodir = (struct iso_directory_record *)((char *)bp->b_data + off); if (off + isonum_711(isodir->length) > imp->logical_block_size) { vput(vp); if (bp != 0) brelse(bp, 0); printf("fhtovp: directory crosses block boundary %d[off=%d/len=%d]\n", off +isonum_711(isodir->length), off, isonum_711(isodir->length)); return (ESTALE); } #if 0 if (isonum_733(isodir->extent) + isonum_711(isodir->ext_attr_length) != ifhp->ifid_start) { if (bp != 0) brelse(bp, 0); printf("fhtovp: file start miss %d vs %d\n", isonum_733(isodir->extent) + isonum_711(isodir->ext_attr_length), ifhp->ifid_start); return (ESTALE); } #endif } else bp = 0; vref(ip->i_devvp); if (relocated) { /* * On relocated directories we must * read the `.' entry out of a dir. */ ip->iso_start = ino >> imp->im_bshift; if (bp != 0) brelse(bp, 0); if ((error = cd9660_blkatoff(vp, (off_t)0, NULL, &bp)) != 0) { vput(vp); return (error); } isodir = (struct iso_directory_record *)bp->b_data; } ip->iso_extent = isonum_733(isodir->extent); ip->i_size = isonum_733(isodir->size); ip->iso_start = isonum_711(isodir->ext_attr_length) + ip->iso_extent; /* * Setup time stamp, attribute */ vp->v_type = VNON; switch (imp->iso_ftype) { default: /* ISO_FTYPE_9660 */ { struct buf *bp2; int off; if ((imp->im_flags & ISOFSMNT_EXTATT) && (off = isonum_711(isodir->ext_attr_length))) cd9660_blkatoff(vp, (off_t)-(off << imp->im_bshift), NULL, &bp2); else bp2 = NULL; cd9660_defattr(isodir, ip, bp2); cd9660_deftstamp(isodir, ip, bp2); if (bp2) brelse(bp2, 0); break; } case ISO_FTYPE_RRIP: cd9660_rrip_analyze(isodir, ip, imp); break; } if (bp != 0) brelse(bp, 0); /* * Initialize the associated vnode */ switch (vp->v_type = IFTOVT(ip->inode.iso_mode)) { case VFIFO: vp->v_op = cd9660_fifoop_p; break; case VCHR: case VBLK: /* * if device, look at device number table for translation */ vp->v_op = cd9660_specop_p; spec_node_init(vp, ip->inode.iso_rdev); break; case VLNK: case VNON: case VSOCK: case VDIR: case VBAD: break; case VREG: uvm_vnp_setsize(vp, ip->i_size); break; } if (vp->v_type != VREG) uvm_vnp_setsize(vp, 0); if (ip->iso_extent == imp->root_extent) vp->v_vflag |= VV_ROOT; /* * XXX need generation number? */ *vpp = vp; return (0); } /* * Vnode pointer to File handle */ /* ARGSUSED */ int cd9660_vptofh(struct vnode *vp, struct fid *fhp, size_t *fh_size) { struct iso_node *ip = VTOI(vp); struct ifid ifh; if (*fh_size < sizeof(struct ifid)) { *fh_size = sizeof(struct ifid); return E2BIG; } *fh_size = sizeof(struct ifid); memset(&ifh, 0, sizeof(ifh)); ifh.ifid_len = sizeof(struct ifid); ifh.ifid_ino = ip->i_number; ifh.ifid_start = ip->iso_start; memcpy(fhp, &ifh, sizeof(ifh)); #ifdef ISOFS_DBG printf("vptofh: ino %d, start %ld\n", ifh.ifid_ino,ifh.ifid_start); #endif return 0; }