154 lines
4.4 KiB
Plaintext
Executable File
154 lines
4.4 KiB
Plaintext
Executable File
#!/sbin/runscript
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# Copyright 1999-2007 Gentoo Foundation
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# Copyright 2007 Roy Marples
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# All rights reserved
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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description="Check the root filesystem according to /etc/fstab for errors \
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and optionally repair them."
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do_mtab() {
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# Don't create mtab if /etc is readonly
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if ! printf "" 2>/dev/null >/etc/mtab; then
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ewarn "Skipping /etc/mtab initialization (ro root?)"
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return 0
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fi
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ebegin "Updating /etc/mtab"
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# With / as tmpfs we cannot umount -at tmpfs in localmount as that
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# makes / readonly and dismounts all tmpfs even if in use which is
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# not good. Luckily, umount uses /etc/mtab instead of /proc/mounts
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# which allows this hack to work.
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grep -v "^[^ ]* / tmpfs " /proc/mounts > /etc/mtab
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# Remove stale backups
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rm -f /etc/mtab~ /etc/mtab~~
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eend 0
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}
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root_rw() {
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echo 2>/dev/null >/.test.$$ || return 1
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rm -f /.test.$$
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}
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do_fsck() {
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local retval=0 opts= root=
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case "${RC_UNAME}" in
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FreeBSD) opts="-F";;
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Linux) opts="-T -C0";;
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esac
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# Don't bother doing a fsck on these
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if [ -n "${CDBOOT}" ] || is_net_fs / || is_union_fs /; then
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return 0
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fi
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if root_rw; then
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einfo "root filesystem is mounted read-write - skipping"
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return 0
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fi
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root=$(fstabinfo --blockdevice /)
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[ ! -e "${root}" -a -e /dev/root ] && root=/dev/root
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if [ -e /forcefsck ] || get_bootparam "forcefsck"; then
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ebegin "Checking root filesystem (full fsck forced)"
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fsck ${opts} -f -n "${root}"
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# /forcefsck isn't deleted because checkfs needs it.
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# it'll be deleted in that script.
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retval=$?
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else
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# Obey the fs_passno setting for / (see fstab(5))
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local pass=$(fstabinfo --passno /)
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if [ ${pass:-0} != "0" ]; then
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ebegin "Checking root filesystem"
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fsck ${opts} -p "${root}"
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retval=$?
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else
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ebegin "Skipping root filesystem check" "(fstab's passno == 0)"
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retval=0
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fi
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fi
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if [ ${retval} -eq 0 ]; then
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eend 0
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elif [ ${retval} -eq 1 ]; then
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ewend 1 "Filesystem repaired"
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retval=0
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elif [ ${retval} -eq 8 ]; then
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ewend 1 $"Operational error, continuing"
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retval=0
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elif [ ${retval} -eq 2 -o ${retval} -eq 3 ]; then
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ewend 1 "Filesystem repaired, but reboot needed!"
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if ! yesno ${rc_force_auto:-${RC_FORCE_AUTO}}; then
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printf "\a"; sleep 1; printf "\a"; sleep 1
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printf "\a"; sleep 1; printf "\a"; sleep 1
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ewarn "Rebooting in 10 seconds ..."
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sleep 10
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fi
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einfo "Rebooting"
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reboot -f
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else
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if yesno ${rc_force_auto:-${RC_FORCE_AUTO}}; then
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eend 2 "Rerunning fsck in force mode"
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fsck ${opts} -y "${root}"
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retval=$?
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else
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eend 2 "Filesystem couldn't be fixed :("
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exec rc-abort || exit 1
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fi
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if [ ${retval} != "0" ]; then
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einfo "Unmounting filesystems"
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if [ "${RC_UNAME}" = "Linux" ]; then
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mount -a -o remount,ro /
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else
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mount -u -o ro /
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fi
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einfo "Rebooting"
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reboot -f
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fi
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fi
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}
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start() {
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do_fsck || return 1
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if ! root_rw; then
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ebegin "Remounting root filesystem read/write"
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if [ "${RC_UNAME}" = "Linux" ]; then
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mount -n -o remount,rw /
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else
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mount -u -o rw /
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fi
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eend $? "Root filesystem could not be mounted read/write" || return $?
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fi
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# Only Linux has mtab
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[ "${RC_UNAME}" = "Linux" -a -e /proc/mounts ] && do_mtab
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# We got here, so return 0
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return 0
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}
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# vim: set ts=4 :
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