>Number: 182362
>Category: bin
>Synopsis: bsdpatch fails to apply patch when you say yes
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Wed Sep 25 00:00:00 UTC 2013
>Closed-Date:
>Last-Modified:
>Originator: John-Mark Gurney
>Release: FreeBSD 10.0-ALPHA3
>Organization:
>Environment:
FreeBSD carbon.funkthat.com 10.0-ALPHA3 FreeBSD 10.0-ALPHA3 #1 r255861M: Tue
Sep 24 13:36:04 PDT 2013
[email protected]:/usr/src/sys/amd64/compile/lockprof amd64
>Description:
Extract attached shar archive and do:
[jmg@carbon /tmp/wo]$ patch < cd9660.patch
Hmm... Looks like a unified diff to me...
The text leading up to this was:
--------------------------
|Index: cd9660_vfsops.c
|===================================================================
|--- cd9660_vfsops.c (revision 255707)
|+++ cd9660_vfsops.c (working copy)
--------------------------
Patching file cd9660_vfsops.c using Plan A...
Reversed (or previously applied) patch detected! Assume -R? [y] n
Apply anyway? [n] y
Reversed (or previously applied) patch detected! Assume -R? [y] n
Apply anyway? [n] y
Reversed (or previously applied) patch detected! Assume -R? [y] n
Apply anyway? [n] y
Hunk #1 failed at 214.
Hunk #2 succeeded at 369.
Hunk #3 succeeded at 393 (offset -1 lines).
Hunk #4 succeeded at 414 (offset -1 lines).
Hunk #5 succeeded at 469 (offset -1 lines).
1 out of 5 hunks failed--saving rejects to cd9660_vfsops.c.rej
done
Do I really need to answer the question three times that Yes, I really do want
to apply the patch? I have verified that gnupatch does not do this.
>How-To-Repeat:
see above.
>Fix:
Patch attached with submission follows:
# This is a shell archive. Save it in a file, remove anything before
# this line, and then unpack it by entering "sh file". Note, it may
# create directories; files and directories will be owned by you and
# have default permissions.
#
# This archive contains:
#
# cd9660.patch
# cd9660_vfsops.c
#
echo x - cd9660.patch
sed 's/^X//' >cd9660.patch << '4af2b3683126871a553b80884bd87b50'
XIndex: cd9660_vfsops.c
X===================================================================
X--- cd9660_vfsops.c (revision 255707)
X+++ cd9660_vfsops.c (working copy)
X@@ -214,7 +214,7 @@
X int iso_bsize;
X int iso_blknum;
X int joliet_level;
X- struct iso_volume_descriptor *vdp = 0;
X+ struct iso_volume_descriptor *vdp = NULL;
X struct iso_primary_descriptor *pri = NULL;
X struct iso_sierra_primary_descriptor *pri_sierra = NULL;
X struct iso_supplementary_descriptor *sup = NULL;
X@@ -369,6 +369,9 @@
X pribp->b_flags |= B_AGE;
X brelse(pribp);
X pribp = NULL;
X+ rootp = NULL;
X+ pri = NULL;
X+ pri_sierra = NULL;
X
X mp->mnt_data = isomp;
X mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);
X@@ -391,11 +394,11 @@
X
X /* Check the Rock Ridge Extension support */
X if (!(isomp->im_flags & ISOFSMNT_NORRIP)) {
X- if ((error = bread(isomp->im_devvp,
X- (isomp->root_extent +
isonum_711(rootp->ext_attr_length)) <<
X- (isomp->im_bshift - DEV_BSHIFT),
X- isomp->logical_block_size, NOCRED, &bp)) != 0)
X- goto out;
X+ if ((error = bread(isomp->im_devvp, (isomp->root_extent +
X+ isonum_711(((struct iso_directory_record *)isomp->root)->
X+ ext_attr_length)) << (isomp->im_bshift - DEV_BSHIFT),
X+ isomp->logical_block_size, NOCRED, &bp)) != 0)
X+ goto out;
X
X rootp = (struct iso_directory_record *)bp->b_data;
X
X@@ -412,6 +415,7 @@
X bp->b_flags |= B_AGE;
X brelse(bp);
X bp = NULL;
X+ rootp = NULL;
X }
X
X if (isomp->im_flags & ISOFSMNT_KICONV && cd9660_iconv) {
X@@ -466,6 +470,7 @@
X if (supbp) {
X brelse(supbp);
X supbp = NULL;
X+ sup = NULL;
X }
X
X return 0;
4af2b3683126871a553b80884bd87b50
echo x - cd9660_vfsops.c
sed 's/^X//' >cd9660_vfsops.c << '6e65c262c71a183b9a224cc8a47ecdb1'
X/*-
X * Copyright (c) 1994
X * The Regents of the University of California. All rights reserved.
X *
X * This code is derived from software contributed to Berkeley
X * by Pace Willisson ([email protected]). The Rock Ridge Extension
X * Support code is derived from software contributed to Berkeley
X * by Atsushi Murai ([email protected]).
X *
X * Redistribution and use in source and binary forms, with or without
X * modification, are permitted provided that the following conditions
X * are met:
X * 1. Redistributions of source code must retain the above copyright
X * notice, this list of conditions and the following disclaimer.
X * 2. Redistributions in binary form must reproduce the above copyright
X * notice, this list of conditions and the following disclaimer in the
X * documentation and/or other materials provided with the distribution.
X * 4. Neither the name of the University nor the names of its contributors
X * may be used to endorse or promote products derived from this software
X * without specific prior written permission.
X *
X * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
X * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
X * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
X * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
X * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
X * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
X * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
X * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
X * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
X * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
X * SUCH DAMAGE.
X *
X * @(#)cd9660_vfsops.c 8.18 (Berkeley) 5/22/95
X */
X
X#include <sys/cdefs.h>
X__FBSDID("$FreeBSD: head/sys/fs/cd9660/cd9660_vfsops.c 242833 2012-11-09
18:02:25Z attilio $");
X
X#include <sys/param.h>
X#include <sys/systm.h>
X#include <sys/namei.h>
X#include <sys/priv.h>
X#include <sys/proc.h>
X#include <sys/kernel.h>
X#include <sys/vnode.h>
X#include <sys/mount.h>
X#include <sys/bio.h>
X#include <sys/buf.h>
X#include <sys/cdio.h>
X#include <sys/conf.h>
X#include <sys/fcntl.h>
X#include <sys/malloc.h>
X#include <sys/stat.h>
X#include <sys/syslog.h>
X#include <sys/iconv.h>
X
X#include <fs/cd9660/iso.h>
X#include <fs/cd9660/iso_rrip.h>
X#include <fs/cd9660/cd9660_node.h>
X#include <fs/cd9660/cd9660_mount.h>
X
X#include <geom/geom.h>
X#include <geom/geom_vfs.h>
X
XMALLOC_DEFINE(M_ISOFSMNT, "isofs_mount", "ISOFS mount structure");
XMALLOC_DEFINE(M_ISOFSNODE, "isofs_node", "ISOFS vnode private part");
X
Xstruct iconv_functions *cd9660_iconv = NULL;
X
Xstatic vfs_mount_t cd9660_mount;
Xstatic vfs_cmount_t cd9660_cmount;
Xstatic vfs_unmount_t cd9660_unmount;
Xstatic vfs_root_t cd9660_root;
Xstatic vfs_statfs_t cd9660_statfs;
Xstatic vfs_vget_t cd9660_vget;
Xstatic vfs_fhtovp_t cd9660_fhtovp;
X
Xstatic struct vfsops cd9660_vfsops = {
X .vfs_fhtovp = cd9660_fhtovp,
X .vfs_mount = cd9660_mount,
X .vfs_cmount = cd9660_cmount,
X .vfs_root = cd9660_root,
X .vfs_statfs = cd9660_statfs,
X .vfs_unmount = cd9660_unmount,
X .vfs_vget = cd9660_vget,
X};
XVFS_SET(cd9660_vfsops, cd9660, VFCF_READONLY);
XMODULE_VERSION(cd9660, 1);
X
Xstatic int iso_mountfs(struct vnode *devvp, struct mount *mp);
X
X/*
X * VFS Operations.
X */
X
Xstatic int
Xcd9660_cmount(struct mntarg *ma, void *data, uint64_t flags)
X{
X struct iso_args args;
X struct export_args exp;
X int error;
X
X error = copyin(data, &args, sizeof args);
X if (error)
X return (error);
X vfs_oexport_conv(&args.export, &exp);
X
X ma = mount_argsu(ma, "from", args.fspec, MAXPATHLEN);
X ma = mount_arg(ma, "export", &exp, sizeof(exp));
X ma = mount_argsu(ma, "cs_disk", args.cs_disk, 64);
X ma = mount_argsu(ma, "cs_local", args.cs_local, 64);
X ma = mount_argf(ma, "ssector", "%u", args.ssector);
X ma = mount_argb(ma, !(args.flags & ISOFSMNT_NORRIP), "norrip");
X ma = mount_argb(ma, args.flags & ISOFSMNT_GENS, "nogens");
X ma = mount_argb(ma, args.flags & ISOFSMNT_EXTATT, "noextatt");
X ma = mount_argb(ma, !(args.flags & ISOFSMNT_NOJOLIET), "nojoliet");
X ma = mount_argb(ma,
X args.flags & ISOFSMNT_BROKENJOLIET, "nobrokenjoliet");
X ma = mount_argb(ma, args.flags & ISOFSMNT_KICONV, "nokiconv");
X
X error = kernel_mount(ma, flags);
X
X return (error);
X}
X
Xstatic int
Xcd9660_mount(struct mount *mp)
X{
X struct vnode *devvp;
X struct thread *td;
X char *fspec;
X int error;
X accmode_t accmode;
X struct nameidata ndp;
X struct iso_mnt *imp = NULL;
X
X td = curthread;
X
X /*
X * Unconditionally mount as read-only.
X */
X MNT_ILOCK(mp);
X mp->mnt_flag |= MNT_RDONLY;
X MNT_IUNLOCK(mp);
X
X fspec = vfs_getopts(mp->mnt_optnew, "from", &error);
X if (error)
X return (error);
X
X imp = VFSTOISOFS(mp);
X
X if (mp->mnt_flag & MNT_UPDATE) {
X if (vfs_flagopt(mp->mnt_optnew, "export", NULL, 0))
X return (0);
X }
X /*
X * Not an update, or updating the name: look up the name
X * and verify that it refers to a sensible block device.
X */
X NDINIT(&ndp, LOOKUP, FOLLOW | LOCKLEAF, UIO_SYSSPACE, fspec, td);
X if ((error = namei(&ndp)))
X return (error);
X NDFREE(&ndp, NDF_ONLY_PNBUF);
X devvp = ndp.ni_vp;
X
X if (!vn_isdisk(devvp, &error)) {
X vput(devvp);
X return (error);
X }
X
X /*
X * Verify that user has necessary permissions on the device,
X * or has superuser abilities
X */
X accmode = VREAD;
X error = VOP_ACCESS(devvp, accmode, td->td_ucred, td);
X if (error)
X error = priv_check(td, PRIV_VFS_MOUNT_PERM);
X if (error) {
X vput(devvp);
X return (error);
X }
X
X if ((mp->mnt_flag & MNT_UPDATE) == 0) {
X error = iso_mountfs(devvp, mp);
X if (error)
X vrele(devvp);
X } else {
X if (devvp != imp->im_devvp)
X error = EINVAL; /* needs translation */
X vput(devvp);
X }
X if (error)
X return (error);
X vfs_mountedfrom(mp, fspec);
X return (0);
X}
X
X/*
X * Common code for mount and mountroot
X */
Xstatic int
Xiso_mountfs(devvp, mp)
X struct vnode *devvp;
X struct mount *mp;
X{
X struct iso_mnt *isomp = NULL;
X struct buf *bp = NULL;
X struct buf *pribp = NULL, *supbp = NULL;
X struct cdev *dev;
X int error = EINVAL;
X int high_sierra = 0;
X int iso_bsize;
X int iso_blknum;
X int joliet_level;
X struct iso_volume_descriptor *vdp = NULL;
X struct iso_primary_descriptor *pri = NULL;
X struct iso_sierra_primary_descriptor *pri_sierra = NULL;
X struct iso_supplementary_descriptor *sup = NULL;
X struct iso_directory_record *rootp;
X int logical_block_size, ssector;
X struct g_consumer *cp;
X struct bufobj *bo;
X char *cs_local, *cs_disk;
X
X dev = devvp->v_rdev;
X dev_ref(dev);
X DROP_GIANT();
X g_topology_lock();
X error = g_vfs_open(devvp, &cp, "cd9660", 0);
X g_topology_unlock();
X PICKUP_GIANT();
X VOP_UNLOCK(devvp, 0);
X if (error)
X goto out;
X if (devvp->v_rdev->si_iosize_max != 0)
X mp->mnt_iosize_max = devvp->v_rdev->si_iosize_max;
X if (mp->mnt_iosize_max > MAXPHYS)
X mp->mnt_iosize_max = MAXPHYS;
X
X bo = &devvp->v_bufobj;
X
X /* This is the "logical sector size". The standard says this
X * should be 2048 or the physical sector size on the device,
X * whichever is greater.
X */
X if ((ISO_DEFAULT_BLOCK_SIZE % cp->provider->sectorsize) != 0) {
X error = EINVAL;
X goto out;
X }
X
X iso_bsize = cp->provider->sectorsize;
X
X joliet_level = 0;
X if (1 != vfs_scanopt(mp->mnt_optnew, "ssector", "%d", &ssector))
X ssector = 0;
X for (iso_blknum = 16 + ssector;
X iso_blknum < 100 + ssector;
X iso_blknum++) {
X if ((error = bread(devvp, iso_blknum *
btodb(ISO_DEFAULT_BLOCK_SIZE),
X iso_bsize, NOCRED, &bp)) != 0)
X goto out;
X
X vdp = (struct iso_volume_descriptor *)bp->b_data;
X if (bcmp (vdp->id, ISO_STANDARD_ID, sizeof vdp->id) != 0) {
X if (bcmp (vdp->id_sierra, ISO_SIERRA_ID,
X sizeof vdp->id_sierra) != 0) {
X error = EINVAL;
X goto out;
X } else
X high_sierra = 1;
X }
X switch (isonum_711 (high_sierra? vdp->type_sierra: vdp->type)){
X case ISO_VD_PRIMARY:
X if (pribp == NULL) {
X pribp = bp;
X bp = NULL;
X pri = (struct iso_primary_descriptor *)vdp;
X pri_sierra =
X (struct iso_sierra_primary_descriptor *)vdp;
X }
X break;
X
X case ISO_VD_SUPPLEMENTARY:
X if (supbp == NULL) {
X supbp = bp;
X bp = NULL;
X sup = (struct iso_supplementary_descriptor
*)vdp;
X
X if (!vfs_flagopt(mp->mnt_optnew, "nojoliet",
NULL, 0)) {
X if (bcmp(sup->escape, "%/@", 3) == 0)
X joliet_level = 1;
X if (bcmp(sup->escape, "%/C", 3) == 0)
X joliet_level = 2;
X if (bcmp(sup->escape, "%/E", 3) == 0)
X joliet_level = 3;
X
X if ((isonum_711 (sup->flags) & 1) &&
X !vfs_flagopt(mp->mnt_optnew,
"brokenjoliet", NULL, 0))
X joliet_level = 0;
X }
X }
X break;
X
X case ISO_VD_END:
X goto vd_end;
X
X default:
X break;
X }
X if (bp) {
X brelse(bp);
X bp = NULL;
X }
X }
X vd_end:
X if (bp) {
X brelse(bp);
X bp = NULL;
X }
X
X if (pri == NULL) {
X error = EINVAL;
X goto out;
X }
X
X logical_block_size =
X isonum_723 (high_sierra?
X pri_sierra->logical_block_size:
X pri->logical_block_size);
X
X if (logical_block_size < DEV_BSIZE || logical_block_size > MAXBSIZE
X || (logical_block_size & (logical_block_size - 1)) != 0) {
X error = EINVAL;
X goto out;
X }
X
X rootp = (struct iso_directory_record *)
X (high_sierra?
X pri_sierra->root_directory_record:
X pri->root_directory_record);
X
X isomp = malloc(sizeof *isomp, M_ISOFSMNT, M_WAITOK | M_ZERO);
X isomp->im_cp = cp;
X isomp->im_bo = bo;
X isomp->logical_block_size = logical_block_size;
X isomp->volume_space_size =
X isonum_733 (high_sierra?
X pri_sierra->volume_space_size:
X pri->volume_space_size);
X isomp->joliet_level = 0;
X /*
X * Since an ISO9660 multi-session CD can also access previous
X * sessions, we have to include them into the space consider-
X * ations. This doesn't yield a very accurate number since
X * parts of the old sessions might be inaccessible now, but we
X * can't do much better. This is also important for the NFS
X * filehandle validation.
X */
X isomp->volume_space_size += ssector;
X bcopy (rootp, isomp->root, sizeof isomp->root);
X isomp->root_extent = isonum_733 (rootp->extent);
X isomp->root_size = isonum_733 (rootp->size);
X
X isomp->im_bmask = logical_block_size - 1;
X isomp->im_bshift = ffs(logical_block_size) - 1;
X
X pribp->b_flags |= B_AGE;
X brelse(pribp);
X pribp = NULL;
X
X mp->mnt_data = isomp;
X mp->mnt_stat.f_fsid.val[0] = dev2udev(dev);
X mp->mnt_stat.f_fsid.val[1] = mp->mnt_vfc->vfc_typenum;
X mp->mnt_maxsymlinklen = 0;
X MNT_ILOCK(mp);
X mp->mnt_flag |= MNT_LOCAL;
X mp->mnt_kern_flag |= MNTK_LOOKUP_SHARED | MNTK_EXTENDED_SHARED;
X MNT_IUNLOCK(mp);
X isomp->im_mountp = mp;
X isomp->im_dev = dev;
X isomp->im_devvp = devvp;
X
X vfs_flagopt(mp->mnt_optnew, "norrip", &isomp->im_flags,
ISOFSMNT_NORRIP);
X vfs_flagopt(mp->mnt_optnew, "gens", &isomp->im_flags, ISOFSMNT_GENS);
X vfs_flagopt(mp->mnt_optnew, "extatt", &isomp->im_flags,
ISOFSMNT_EXTATT);
X vfs_flagopt(mp->mnt_optnew, "nojoliet", &isomp->im_flags,
ISOFSMNT_NOJOLIET);
X vfs_flagopt(mp->mnt_optnew, "kiconv", &isomp->im_flags,
ISOFSMNT_KICONV);
X
X /* Check the Rock Ridge Extension support */
X if (!(isomp->im_flags & ISOFSMNT_NORRIP)) {
X if ((error = bread(isomp->im_devvp,
X (isomp->root_extent +
isonum_711(rootp->ext_attr_length)) <<
X (isomp->im_bshift - DEV_BSHIFT),
X isomp->logical_block_size, NOCRED, &bp)) != 0)
X goto out;
X
X rootp = (struct iso_directory_record *)bp->b_data;
X
X if ((isomp->rr_skip = cd9660_rrip_offset(rootp,isomp)) < 0) {
X isomp->im_flags |= ISOFSMNT_NORRIP;
X } else {
X isomp->im_flags &= ~ISOFSMNT_GENS;
X }
X
X /*
X * The contents are valid,
X * but they will get reread as part of another vnode, so...
X */
X bp->b_flags |= B_AGE;
X brelse(bp);
X bp = NULL;
X }
X
X if (isomp->im_flags & ISOFSMNT_KICONV && cd9660_iconv) {
X cs_local = vfs_getopts(mp->mnt_optnew, "cs_local", &error);
X if (error)
X goto out;
X cs_disk = vfs_getopts(mp->mnt_optnew, "cs_disk", &error);
X if (error)
X goto out;
X cd9660_iconv->open(cs_local, cs_disk, &isomp->im_d2l);
X cd9660_iconv->open(cs_disk, cs_local, &isomp->im_l2d);
X } else {
X isomp->im_d2l = NULL;
X isomp->im_l2d = NULL;
X }
X
X if (high_sierra) {
X /* this effectively ignores all the mount flags */
X if (bootverbose)
X log(LOG_INFO, "cd9660: High Sierra Format\n");
X isomp->iso_ftype = ISO_FTYPE_HIGH_SIERRA;
X } else
X switch (isomp->im_flags&(ISOFSMNT_NORRIP|ISOFSMNT_GENS)) {
X default:
X isomp->iso_ftype = ISO_FTYPE_DEFAULT;
X break;
X case ISOFSMNT_GENS|ISOFSMNT_NORRIP:
X isomp->iso_ftype = ISO_FTYPE_9660;
X break;
X case 0:
X if (bootverbose)
X log(LOG_INFO, "cd9660: RockRidge
Extension\n");
X isomp->iso_ftype = ISO_FTYPE_RRIP;
X break;
X }
X
X /* Decide whether to use the Joliet descriptor */
X
X if (isomp->iso_ftype != ISO_FTYPE_RRIP && joliet_level) {
X if (bootverbose)
X log(LOG_INFO, "cd9660: Joliet Extension (Level %d)\n",
X joliet_level);
X rootp = (struct iso_directory_record *)
X sup->root_directory_record;
X bcopy (rootp, isomp->root, sizeof isomp->root);
X isomp->root_extent = isonum_733 (rootp->extent);
X isomp->root_size = isonum_733 (rootp->size);
X isomp->joliet_level = joliet_level;
X supbp->b_flags |= B_AGE;
X }
X
X if (supbp) {
X brelse(supbp);
X supbp = NULL;
X }
X
X return 0;
Xout:
X if (bp)
X brelse(bp);
X if (pribp)
X brelse(pribp);
X if (supbp)
X brelse(supbp);
X if (cp != NULL) {
X DROP_GIANT();
X g_topology_lock();
X g_vfs_close(cp);
X g_topology_unlock();
X PICKUP_GIANT();
X }
X if (isomp) {
X free(isomp, M_ISOFSMNT);
X mp->mnt_data = NULL;
X }
X dev_rel(dev);
X return error;
X}
X
X/*
X * unmount system call
X */
Xstatic int
Xcd9660_unmount(mp, mntflags)
X struct mount *mp;
X int mntflags;
X{
X struct iso_mnt *isomp;
X int error, flags = 0;
X
X if (mntflags & MNT_FORCE)
X flags |= FORCECLOSE;
X if ((error = vflush(mp, 0, flags, curthread)))
X return (error);
X
X isomp = VFSTOISOFS(mp);
X
X if (isomp->im_flags & ISOFSMNT_KICONV && cd9660_iconv) {
X if (isomp->im_d2l)
X cd9660_iconv->close(isomp->im_d2l);
X if (isomp->im_l2d)
X cd9660_iconv->close(isomp->im_l2d);
X }
X DROP_GIANT();
X g_topology_lock();
X g_vfs_close(isomp->im_cp);
X g_topology_unlock();
X PICKUP_GIANT();
X vrele(isomp->im_devvp);
X dev_rel(isomp->im_dev);
X free(isomp, M_ISOFSMNT);
X mp->mnt_data = NULL;
X MNT_ILOCK(mp);
X mp->mnt_flag &= ~MNT_LOCAL;
X MNT_IUNLOCK(mp);
X return (error);
X}
X
X/*
X * Return root of a filesystem
X */
Xstatic int
Xcd9660_root(mp, flags, vpp)
X struct mount *mp;
X int flags;
X struct vnode **vpp;
X{
X struct iso_mnt *imp = VFSTOISOFS(mp);
X struct iso_directory_record *dp =
X (struct iso_directory_record *)imp->root;
X ino_t ino = isodirino(dp, imp);
X
X /*
X * With RRIP we must use the `.' entry of the root directory.
X * Simply tell vget, that it's a relocated directory.
X */
X return (cd9660_vget_internal(mp, ino, flags, vpp,
X imp->iso_ftype == ISO_FTYPE_RRIP, dp));
X}
X
X/*
X * Get filesystem statistics.
X */
Xstatic int
Xcd9660_statfs(mp, sbp)
X struct mount *mp;
X struct statfs *sbp;
X{
X struct iso_mnt *isomp;
X
X isomp = VFSTOISOFS(mp);
X
X sbp->f_bsize = isomp->logical_block_size;
X sbp->f_iosize = sbp->f_bsize; /* XXX */
X sbp->f_blocks = isomp->volume_space_size;
X sbp->f_bfree = 0; /* total free blocks */
X sbp->f_bavail = 0; /* blocks free for non superuser */
X sbp->f_files = 0; /* total files */
X sbp->f_ffree = 0; /* free file nodes */
X return 0;
X}
X
X/*
X * File handle to vnode
X *
X * Have to be really careful about stale file handles:
X * - check that the inode number is in range
X * - call iget() to get the locked inode
X * - check for an unallocated inode (i_mode == 0)
X * - check that the generation number matches
X */
X
X/* ARGSUSED */
Xstatic int
Xcd9660_fhtovp(mp, fhp, flags, vpp)
X struct mount *mp;
X struct fid *fhp;
X int flags;
X struct vnode **vpp;
X{
X struct ifid ifh;
X struct iso_node *ip;
X struct vnode *nvp;
X int error;
X
X memcpy(&ifh, fhp, sizeof(ifh));
X
X#ifdef ISOFS_DBG
X printf("fhtovp: ino %d, start %ld\n",
X ifh.ifid_ino, ifh.ifid_start);
X#endif
X
X if ((error = VFS_VGET(mp, ifh.ifid_ino, LK_EXCLUSIVE, &nvp)) != 0) {
X *vpp = NULLVP;
X return (error);
X }
X ip = VTOI(nvp);
X if (ip->inode.iso_mode == 0) {
X vput(nvp);
X *vpp = NULLVP;
X return (ESTALE);
X }
X *vpp = nvp;
X vnode_create_vobject(*vpp, ip->i_size, curthread);
X return (0);
X}
X
Xstatic int
Xcd9660_vget(mp, ino, flags, vpp)
X struct mount *mp;
X ino_t ino;
X int flags;
X struct vnode **vpp;
X{
X
X /*
X * XXXX
X * It would be nice if we didn't always set the `relocated' flag
X * and force the extra read, but I don't want to think about fixing
X * that right now.
X */
X return (cd9660_vget_internal(mp, ino, flags, vpp,
X#if 0
X VFSTOISOFS(mp)->iso_ftype == ISO_FTYPE_RRIP,
X#else
X 0,
X#endif
X (struct iso_directory_record *)0));
X}
X
Xint
Xcd9660_vget_internal(mp, ino, flags, vpp, relocated, isodir)
X struct mount *mp;
X ino_t ino;
X int flags;
X struct vnode **vpp;
X int relocated;
X struct iso_directory_record *isodir;
X{
X struct iso_mnt *imp;
X struct iso_node *ip;
X struct buf *bp;
X struct vnode *vp;
X struct cdev *dev;
X int error;
X struct thread *td;
X
X td = curthread;
X error = vfs_hash_get(mp, ino, flags, td, vpp, NULL, NULL);
X if (error || *vpp != NULL)
X return (error);
X
X /*
X * We must promote to an exclusive lock for vnode creation. This
X * can happen if lookup is passed LOCKSHARED.
X */
X if ((flags & LK_TYPE_MASK) == LK_SHARED) {
X flags &= ~LK_TYPE_MASK;
X flags |= LK_EXCLUSIVE;
X }
X
X /*
X * We do not lock vnode creation as it is believed to be too
X * expensive for such rare case as simultaneous creation of vnode
X * for same ino by different processes. We just allow them to race
X * and check later to decide who wins. Let the race begin!
X */
X
X imp = VFSTOISOFS(mp);
X dev = imp->im_dev;
X
X /* Allocate a new vnode/iso_node. */
X if ((error = getnewvnode("isofs", mp, &cd9660_vnodeops, &vp)) != 0) {
X *vpp = NULLVP;
X return (error);
X }
X ip = malloc(sizeof(struct iso_node), M_ISOFSNODE,
X M_WAITOK | M_ZERO);
X vp->v_data = ip;
X ip->i_vnode = vp;
X ip->i_number = ino;
X
X lockmgr(vp->v_vnlock, LK_EXCLUSIVE, NULL);
X error = insmntque(vp, mp);
X if (error != 0) {
X free(ip, M_ISOFSNODE);
X *vpp = NULLVP;
X return (error);
X }
X error = vfs_hash_insert(vp, ino, flags, td, vpp, NULL, NULL);
X if (error || *vpp != NULL)
X return (error);
X
X if (isodir == 0) {
X int lbn, off;
X
X lbn = lblkno(imp, ino);
X if (lbn >= imp->volume_space_size) {
X vput(vp);
X printf("fhtovp: lbn exceed volume space %d\n", lbn);
X return (ESTALE);
X }
X
X off = blkoff(imp, ino);
X if (off + ISO_DIRECTORY_RECORD_SIZE > imp->logical_block_size) {
X vput(vp);
X printf("fhtovp: crosses block boundary %d\n",
X off + ISO_DIRECTORY_RECORD_SIZE);
X return (ESTALE);
X }
X
X error = bread(imp->im_devvp,
X lbn << (imp->im_bshift - DEV_BSHIFT),
X imp->logical_block_size, NOCRED, &bp);
X if (error) {
X vput(vp);
X brelse(bp);
X printf("fhtovp: bread error %d\n",error);
X return (error);
X }
X isodir = (struct iso_directory_record *)(bp->b_data + off);
X
X if (off + isonum_711(isodir->length) >
X imp->logical_block_size) {
X vput(vp);
X if (bp != 0)
X brelse(bp);
X printf("fhtovp: directory crosses block boundary
%d[off=%d/len=%d]\n",
X off +isonum_711(isodir->length), off,
X isonum_711(isodir->length));
X return (ESTALE);
X }
X
X#if 0
X if (isonum_733(isodir->extent) +
X isonum_711(isodir->ext_attr_length) != ifhp->ifid_start) {
X if (bp != 0)
X brelse(bp);
X printf("fhtovp: file start miss %d vs %d\n",
X isonum_733(isodir->extent) +
isonum_711(isodir->ext_attr_length),
X ifhp->ifid_start);
X return (ESTALE);
X }
X#endif
X } else
X bp = 0;
X
X ip->i_mnt = imp;
X
X if (relocated) {
X /*
X * On relocated directories we must
X * read the `.' entry out of a dir.
X */
X ip->iso_start = ino >> imp->im_bshift;
X if (bp != 0)
X brelse(bp);
X if ((error = cd9660_blkatoff(vp, (off_t)0, NULL, &bp)) != 0) {
X vput(vp);
X return (error);
X }
X isodir = (struct iso_directory_record *)bp->b_data;
X }
X
X ip->iso_extent = isonum_733(isodir->extent);
X ip->i_size = isonum_733(isodir->size);
X ip->iso_start = isonum_711(isodir->ext_attr_length) + ip->iso_extent;
X
X /*
X * Setup time stamp, attribute
X */
X vp->v_type = VNON;
X switch (imp->iso_ftype) {
X default: /* ISO_FTYPE_9660 */
X {
X struct buf *bp2;
X int off;
X if ((imp->im_flags & ISOFSMNT_EXTATT)
X && (off = isonum_711(isodir->ext_attr_length)))
X cd9660_blkatoff(vp, (off_t)-(off << imp->im_bshift),
NULL,
X &bp2);
X else
X bp2 = NULL;
X cd9660_defattr(isodir, ip, bp2, ISO_FTYPE_9660);
X cd9660_deftstamp(isodir, ip, bp2, ISO_FTYPE_9660);
X if (bp2)
X brelse(bp2);
X break;
X }
X case ISO_FTYPE_RRIP:
X cd9660_rrip_analyze(isodir, ip, imp);
X break;
X }
X
X if (bp != 0)
X brelse(bp);
X
X /*
X * Initialize the associated vnode
X */
X switch (vp->v_type = IFTOVT(ip->inode.iso_mode)) {
X case VFIFO:
X vp->v_op = &cd9660_fifoops;
X break;
X default:
X VN_LOCK_ASHARE(vp);
X break;
X }
X
X if (ip->iso_extent == imp->root_extent)
X vp->v_vflag |= VV_ROOT;
X
X /*
X * XXX need generation number?
X */
X
X *vpp = vp;
X return (0);
X}
6e65c262c71a183b9a224cc8a47ecdb1
exit
>Release-Note:
>Audit-Trail:
>Unformatted:
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