/*- * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. 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 * $FreeBSD: src/sys/isofs/cd9660/cd9660_vfsops.c,v 1.74.2.7 2002/04/08 09:39:29 bde Exp $ * $DragonFly: src/sys/vfs/isofs/cd9660/cd9660_vfsops.c,v 1.46 2008/09/17 21:44:23 dillon Exp $ */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "iso.h" #include "iso_rrip.h" #include "cd9660_node.h" #include "cd9660_mount.h" extern struct vop_ops cd9660_vnode_vops; extern struct vop_ops cd9660_spec_vops; extern struct vop_ops cd9660_fifo_vops; MALLOC_DEFINE(M_ISOFSMNT, "ISOFS mount", "ISOFS mount structure"); MALLOC_DEFINE(M_ISOFSNODE, "ISOFS node", "ISOFS vnode private part"); struct iconv_functions *cd9660_iconv = NULL; static int cd9660_mount (struct mount *, char *, caddr_t, struct ucred *); static int cd9660_unmount (struct mount *, int); static int cd9660_root (struct mount *, struct vnode **); static int cd9660_statfs (struct mount *, struct statfs *, struct ucred *); static int cd9660_vget (struct mount *, struct vnode *, ino_t, struct vnode **); static int cd9660_fhtovp (struct mount *, struct vnode *rootvp, struct fid *, struct vnode **); static int cd9660_checkexp (struct mount *, struct sockaddr *, int *, struct ucred **); static int cd9660_vptofh (struct vnode *, struct fid *); static struct vfsops cd9660_vfsops = { .vfs_mount = cd9660_mount, .vfs_unmount = cd9660_unmount, .vfs_root = cd9660_root, .vfs_statfs = cd9660_statfs, .vfs_sync = vfs_stdsync, .vfs_vget = cd9660_vget, .vfs_fhtovp = cd9660_fhtovp, .vfs_checkexp = cd9660_checkexp, .vfs_vptofh = cd9660_vptofh, .vfs_init = cd9660_init, .vfs_uninit = cd9660_uninit, }; VFS_SET(cd9660_vfsops, cd9660, VFCF_READONLY); MODULE_VERSION(cd9660, 1); /* * Called by vfs_mountroot when iso is going to be mounted as root. */ static int iso_get_ssector (cdev_t dev); static int iso_mountfs (struct vnode *devvp, struct mount *mp, struct iso_args *argp); /* * Try to find the start of the last data track on this CD-ROM. This * is used to mount the last session of a multi-session CD. Bail out * and return 0 if we fail, this is always a safe bet. */ static int iso_get_ssector(cdev_t dev) { struct ioc_toc_header h; struct ioc_read_toc_single_entry t; int i; if (dev_dioctl(dev, CDIOREADTOCHEADER, (caddr_t)&h, FREAD, proc0.p_ucred, NULL) != 0) return 0; for (i = h.ending_track; i >= 0; i--) { t.address_format = CD_LBA_FORMAT; t.track = i; if (dev_dioctl(dev, CDIOREADTOCENTRY, (caddr_t)&t, FREAD, proc0.p_ucred, NULL) != 0) { return 0; } if ((t.entry.control & 4) != 0) /* found a data track */ break; } if (i < 0) return 0; return ntohl(t.entry.addr.lba); } static int iso_mountroot(struct mount *mp) { struct iso_args args; struct vnode *rootvp; int error; if ((error = bdevvp(rootdev, &rootvp))) { kprintf("iso_mountroot: can't find rootvp\n"); return (error); } args.flags = ISOFSMNT_ROOT; vn_lock(rootvp, LK_EXCLUSIVE | LK_RETRY); error = VOP_OPEN(rootvp, FREAD, FSCRED, NULL); vn_unlock(rootvp); if (error) return (error); args.ssector = iso_get_ssector(rootdev); VOP_CLOSE(rootvp, FREAD); if (bootverbose) kprintf("iso_mountroot(): using session at block %d\n", args.ssector); if ((error = iso_mountfs(rootvp, mp, &args)) != 0) return (error); cd9660_statfs(mp, &mp->mnt_stat, proc0.p_ucred); return (0); } /* * VFS Operations. * * mount system call */ static int cd9660_mount(struct mount *mp, char *path, caddr_t data, struct ucred *cred) { struct vnode *devvp; struct iso_args args; size_t size; int error; mode_t accessmode; struct iso_mnt *imp = 0; struct nlookupdata nd; if ((mp->mnt_flag & (MNT_ROOTFS|MNT_UPDATE)) == MNT_ROOTFS) { return (iso_mountroot(mp)); } if ((error = copyin(data, (caddr_t)&args, sizeof (struct iso_args)))) return (error); if ((mp->mnt_flag & MNT_RDONLY) == 0) return (EROFS); /* * If updating, check whether changing from read-only to * read/write; if there is no device name, that's all we do. */ if (mp->mnt_flag & MNT_UPDATE) { imp = VFSTOISOFS(mp); if (args.fspec == 0) return (vfs_export(mp, &imp->im_export, &args.export)); } /* * Not an update, or updating the name: look up the name * and verify that it refers to a sensible block device. */ devvp = NULL; error = nlookup_init(&nd, args.fspec, UIO_USERSPACE, NLC_FOLLOW); if (error == 0) error = nlookup(&nd); if (error == 0) error = cache_vref(&nd.nl_nch, nd.nl_cred, &devvp); nlookup_done(&nd); if (error) return (error); if (!vn_isdisk(devvp, &error)) { vrele(devvp); return (error); } /* * Verify that user has necessary permissions on the device, * or has superuser abilities */ accessmode = VREAD; vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); error = VOP_EACCESS(devvp, accessmode, cred); if (error) error = priv_check_cred(cred, PRIV_ROOT, 0); if (error) { vput(devvp); return (error); } vn_unlock(devvp); if ((mp->mnt_flag & MNT_UPDATE) == 0) { error = iso_mountfs(devvp, mp, &args); } else { if (devvp != imp->im_devvp) error = EINVAL; /* needs translation */ else vrele(devvp); } if (error) { vrele(devvp); return error; } imp = VFSTOISOFS(mp); copyinstr(args.fspec, mp->mnt_stat.f_mntfromname, MNAMELEN - 1, &size); bzero(mp->mnt_stat.f_mntfromname + size, MNAMELEN - size); cd9660_statfs(mp, &mp->mnt_stat, cred); return 0; } /* * Common code for mount and mountroot */ static int iso_mountfs(struct vnode *devvp, struct mount *mp, struct iso_args *argp) { struct iso_mnt *isomp = NULL; struct buf *bp = NULL; struct buf *pribp = NULL, *supbp = NULL; cdev_t dev; int error = EINVAL; int needclose = 0; int high_sierra = 0; int iso_bsize; int iso_blknum; int joliet_level; struct iso_volume_descriptor *vdp = 0; struct iso_primary_descriptor *pri = NULL; struct iso_sierra_primary_descriptor *pri_sierra = NULL; struct iso_supplementary_descriptor *sup = NULL; struct iso_directory_record *rootp; int logical_block_size; char cs_local[ICONV_CSNMAXLEN]; char cs_disk[ICONV_CSNMAXLEN]; if (!(mp->mnt_flag & MNT_RDONLY)) return EROFS; /* * Disallow multiple mounts of the same device. * Disallow mounting of a device that is currently in use * Flush out any old buffers remaining from a previous use. */ if ((error = vfs_mountedon(devvp))) return error; if (vcount(devvp) > 0) return EBUSY; if ((error = vinvalbuf(devvp, V_SAVE, 0, 0))) return (error); vn_lock(devvp, LK_EXCLUSIVE | LK_RETRY); error = VOP_OPEN(devvp, FREAD, FSCRED, NULL); vn_unlock(devvp); if (error) return error; dev = devvp->v_rdev; if (dev->si_iosize_max != 0) mp->mnt_iosize_max = dev->si_iosize_max; if (mp->mnt_iosize_max > MAXPHYS) mp->mnt_iosize_max = MAXPHYS; needclose = 1; /* 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; joliet_level = 0; for (iso_blknum = 16 + argp->ssector; iso_blknum < 100 + argp->ssector; iso_blknum++) { if ((error = bread(devvp, (off_t)iso_blknum * iso_bsize, iso_bsize, &bp)) != 0) goto out; vdp = (struct iso_volume_descriptor *)bp->b_data; if (bcmp (vdp->id, ISO_STANDARD_ID, sizeof vdp->id) != 0) { if (bcmp (vdp->id_sierra, ISO_SIERRA_ID, sizeof vdp->id) != 0) { error = EINVAL; goto out; } else high_sierra = 1; } switch (isonum_711 (high_sierra? vdp->type_sierra: vdp->type)){ case ISO_VD_PRIMARY: if (pribp == NULL) { pribp = bp; bp = NULL; pri = (struct iso_primary_descriptor *)vdp; pri_sierra = (struct iso_sierra_primary_descriptor *)vdp; } break; case ISO_VD_SUPPLEMENTARY: if (supbp == NULL) { supbp = bp; bp = NULL; sup = (struct iso_supplementary_descriptor *)vdp; if (!(argp->flags & ISOFSMNT_NOJOLIET)) { if (bcmp(sup->escape, "%/@", 3) == 0) joliet_level = 1; if (bcmp(sup->escape, "%/C", 3) == 0) joliet_level = 2; if (bcmp(sup->escape, "%/E", 3) == 0) joliet_level = 3; if ((isonum_711 (sup->flags) & 1) && (argp->flags & ISOFSMNT_BROKENJOLIET) == 0) joliet_level = 0; } } break; case ISO_VD_END: goto vd_end; default: break; } if (bp) { brelse(bp); bp = NULL; } } vd_end: if (bp) { brelse(bp); bp = NULL; } if (pri == NULL) { error = EINVAL; goto out; } logical_block_size = isonum_723 (high_sierra? pri_sierra->logical_block_size: pri->logical_block_size); if (logical_block_size < DEV_BSIZE || logical_block_size > MAXBSIZE || (logical_block_size & (logical_block_size - 1)) != 0) { error = EINVAL; goto out; } rootp = (struct iso_directory_record *) (high_sierra? pri_sierra->root_directory_record: pri->root_directory_record); isomp = kmalloc(sizeof *isomp, M_ISOFSMNT, M_WAITOK | M_ZERO); isomp->logical_block_size = logical_block_size; isomp->volume_space_size = isonum_733 (high_sierra? pri_sierra->volume_space_size: pri->volume_space_size); isomp->joliet_level = 0; /* * Since an ISO9660 multi-session CD can also access previous * sessions, we have to include them into the space consider- * ations. This doesn't yield a very accurate number since * parts of the old sessions might be inaccessible now, but we * can't do much better. This is also important for the NFS * filehandle validation. */ isomp->volume_space_size += argp->ssector; bcopy (rootp, isomp->root, sizeof isomp->root); isomp->root_extent = isonum_733 (rootp->extent); isomp->root_size = isonum_733 (rootp->size); isomp->im_bmask = logical_block_size - 1; isomp->im_bshift = ffs(logical_block_size) - 1; pribp->b_flags |= B_AGE; brelse(pribp); pribp = NULL; mp->mnt_data = (qaddr_t)isomp; mp->mnt_stat.f_fsid.val[0] = dev2udev(dev); mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum; mp->mnt_maxsymlinklen = 0; mp->mnt_flag |= MNT_LOCAL; isomp->im_mountp = mp; isomp->im_dev = dev; isomp->im_devvp = devvp; dev->si_mountpoint = mp; /* Check the Rock Ridge Extention support */ if (!(argp->flags & ISOFSMNT_NORRIP)) { if ((error = bread(isomp->im_devvp, lblktooff(isomp, isomp->root_extent + isonum_711(rootp->ext_attr_length)), isomp->logical_block_size, &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... */ bp->b_flags |= B_AGE; brelse(bp); bp = NULL; } isomp->im_flags = argp->flags & (ISOFSMNT_NORRIP | ISOFSMNT_GENS | ISOFSMNT_EXTATT | ISOFSMNT_NOJOLIET | ISOFSMNT_KICONV); if (isomp->im_flags & ISOFSMNT_KICONV && cd9660_iconv) { bcopy(argp->cs_local, cs_local, sizeof(cs_local)); bcopy(argp->cs_disk, cs_disk, sizeof(cs_disk)); cd9660_iconv->open(cs_local, cs_disk, &isomp->im_d2l); cd9660_iconv->open(cs_disk, cs_local, &isomp->im_l2d); } else { isomp->im_d2l = NULL; isomp->im_l2d = NULL; } if (high_sierra) { /* this effectively ignores all the mount flags */ log(LOG_INFO, "cd9660: High Sierra Format\n"); isomp->iso_ftype = ISO_FTYPE_HIGH_SIERRA; } else { switch (isomp->im_flags&(ISOFSMNT_NORRIP|ISOFSMNT_GENS)) { default: isomp->iso_ftype = ISO_FTYPE_DEFAULT; break; case ISOFSMNT_GENS|ISOFSMNT_NORRIP: isomp->iso_ftype = ISO_FTYPE_9660; break; case 0: log(LOG_INFO, "cd9660: RockRidge Extension\n"); isomp->iso_ftype = ISO_FTYPE_RRIP; break; } } /* Decide whether to use the Joliet descriptor */ if (isomp->iso_ftype != ISO_FTYPE_RRIP && joliet_level) { log(LOG_INFO, "cd9660: Joliet Extension (Level %d)\n", joliet_level); rootp = (struct iso_directory_record *) sup->root_directory_record; bcopy (rootp, isomp->root, sizeof isomp->root); isomp->root_extent = isonum_733 (rootp->extent); isomp->root_size = isonum_733 (rootp->size); isomp->joliet_level = joliet_level; supbp->b_flags |= B_AGE; } if (supbp) { brelse(supbp); supbp = NULL; } vfs_add_vnodeops(mp, &cd9660_vnode_vops, &mp->mnt_vn_norm_ops); vfs_add_vnodeops(mp, &cd9660_spec_vops, &mp->mnt_vn_spec_ops); vfs_add_vnodeops(mp, &cd9660_fifo_vops, &mp->mnt_vn_fifo_ops); return 0; out: dev->si_mountpoint = NULL; if (bp) brelse(bp); if (pribp) brelse(pribp); if (supbp) brelse(supbp); if (needclose) VOP_CLOSE(devvp, FREAD); if (isomp) { kfree((caddr_t)isomp, M_ISOFSMNT); mp->mnt_data = (qaddr_t)0; } return error; } /* * unmount system call */ static int cd9660_unmount(struct mount *mp, int mntflags) { struct iso_mnt *isomp; int error, flags = 0; if (mntflags & MNT_FORCE) flags |= FORCECLOSE; #if 0 mntflushbuf(mp, 0); if (mntinvalbuf(mp)) return EBUSY; #endif if ((error = vflush(mp, 0, flags))) return (error); isomp = VFSTOISOFS(mp); if (isomp->im_flags & ISOFSMNT_KICONV && cd9660_iconv) { if (isomp->im_d2l) cd9660_iconv->close(isomp->im_d2l); if (isomp->im_l2d) cd9660_iconv->close(isomp->im_l2d); } isomp->im_devvp->v_rdev->si_mountpoint = NULL; error = VOP_CLOSE(isomp->im_devvp, FREAD); vrele(isomp->im_devvp); kfree((caddr_t)isomp, M_ISOFSMNT); mp->mnt_data = (qaddr_t)0; mp->mnt_flag &= ~MNT_LOCAL; return (error); } /* * Return root of a filesystem */ static 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_statfs(struct mount *mp, struct statfs *sbp, struct ucred *cred) { struct iso_mnt *isomp; isomp = VFSTOISOFS(mp); sbp->f_bsize = isomp->logical_block_size; 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_files = 0; /* total files */ sbp->f_ffree = 0; /* free file nodes */ if (sbp != &mp->mnt_stat) { sbp->f_type = mp->mnt_vfc->vfc_typenum; bcopy(mp->mnt_stat.f_mntfromname, sbp->f_mntfromname, MNAMELEN); } 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 vnode *rootvp, struct fid *fhp, struct vnode **vpp) { struct ifid *ifhp = (struct ifid *)fhp; struct iso_node *ip; struct vnode *nvp; int error; #ifdef ISOFS_DBG kprintf("fhtovp: ino %d, start %ld\n", ifhp->ifid_ino, ifhp->ifid_start); #endif if ((error = VFS_VGET(mp, NULL, ifhp->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_checkexp(struct mount *mp, struct sockaddr *nam, int *exflagsp, struct ucred **credanonp) { struct netcred *np; struct iso_mnt *imp; imp = VFSTOISOFS(mp); /* * Get the export permission structure for this tuple. */ np = vfs_export_lookup(mp, &imp->im_export, nam); if (np == NULL) return (EACCES); *exflagsp = np->netc_exflags; *credanonp = &np->netc_anon; return (0); } int cd9660_vget(struct mount *mp, struct vnode *dvp, 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; cdev_t dev; int error; imp = VFSTOISOFS(mp); dev = imp->im_dev; again: if ((*vpp = cd9660_ihashget(dev, ino)) != NULLVP) return (0); /* Allocate a new vnode/iso_node. */ error = getnewvnode(VT_ISOFS, mp, &vp, 0, 0); if (error) { *vpp = NULLVP; return (error); } MALLOC(ip, struct iso_node *, sizeof(struct iso_node), M_ISOFSNODE, M_WAITOK | M_ZERO); ip->i_vnode = vp; ip->i_dev = dev; ip->i_number = ino; /* * Insert it into the inode hash table and check for a collision. * If a collision occurs, throw away the vnode and try again. */ if (cd9660_ihashins(ip) != 0) { kprintf("debug: cd9660 ihashins collision, retrying\n"); vx_put(vp); kfree(ip, M_ISOFSNODE); goto again; } vp->v_data = ip; if (isodir == NULL) { int lbn, off; lbn = lblkno(imp, ino); if (lbn >= imp->volume_space_size) { vx_put(vp); kprintf("fhtovp: lbn exceed volume space %d\n", lbn); return (ESTALE); } off = blkoff(imp, ino); if (off + ISO_DIRECTORY_RECORD_SIZE > imp->logical_block_size) { vx_put(vp); kprintf("fhtovp: crosses block boundary %d\n", off + ISO_DIRECTORY_RECORD_SIZE); return (ESTALE); } error = bread(imp->im_devvp, lblktooff(imp, lbn), imp->logical_block_size, &bp); if (error) { vx_put(vp); brelse(bp); kprintf("fhtovp: bread error %d\n",error); return (error); } isodir = (struct iso_directory_record *)(bp->b_data + off); if (off + isonum_711(isodir->length) > imp->logical_block_size) { vx_put(vp); if (bp != NULL) brelse(bp); kprintf("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 != NULL) brelse(bp); kprintf("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; ip->i_mnt = imp; ip->i_devvp = imp->im_devvp; 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 != NULL) brelse(bp); if ((error = cd9660_devblkatoff(vp, (off_t)0, NULL, &bp)) != 0) { vx_put(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_devblkatoff(vp, (off_t)-(off << imp->im_bshift), NULL, &bp2); else bp2 = NULL; cd9660_defattr(isodir, ip, bp2, ISO_FTYPE_9660); cd9660_deftstamp(isodir, ip, bp2, ISO_FTYPE_9660); if (bp2) brelse(bp2); break; } case ISO_FTYPE_RRIP: cd9660_rrip_analyze(isodir, ip, imp); break; } if (bp != NULL) brelse(bp); /* * Initialize the associated vnode */ vp->v_type = IFTOVT(ip->inode.iso_mode); switch (vp->v_type) { case VFIFO: vp->v_ops = &mp->mnt_vn_fifo_ops; break; case VCHR: case VBLK: vp->v_ops = &mp->mnt_vn_spec_ops; addaliasu(vp, umajor(ip->inode.iso_rdev), uminor(ip->inode.iso_rdev)); break; case VREG: case VDIR: vinitvmio(vp, ip->i_size); break; default: break; } if (ip->iso_extent == imp->root_extent) vp->v_flag |= VROOT; /* * Return the locked and refd vp */ *vpp = vp; return (0); } /* * Vnode pointer to File handle */ /* ARGSUSED */ int cd9660_vptofh(struct vnode *vp, struct fid *fhp) { struct iso_node *ip = VTOI(vp); struct ifid *ifhp; ifhp = (struct ifid *)fhp; ifhp->ifid_len = sizeof(struct ifid); ifhp->ifid_ino = ip->i_number; ifhp->ifid_start = ip->iso_start; #ifdef ISOFS_DBG kprintf("vptofh: ino %d, start %ld\n", ifhp->ifid_ino,ifhp->ifid_start); #endif return 0; }