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#!/sbin/runscript
# Copyright 2007 Roy Marples
# All rights reserved
# 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.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
description="Check the root filesystem according to /etc/fstab for errors \
and optionally repair them."
depend() {
keywords notimeout
}
do_mtab() {
# Don't create mtab if /etc is readonly
if ! echo 2>/dev/null >/etc/mtab; then
ewarn "Skipping /etc/mtab initialization (ro root)"
return 0
fi
ebegin "Updating /etc/mtab"
# With / as tmpfs we cannot umount -at tmpfs in localmount as that
# makes / readonly and dismounts all tmpfs even if in use which is
# not good. Luckily, umount uses /etc/mtab instead of /proc/mounts
# which allows this hack to work.
grep -v "^[^ ]* / tmpfs " /proc/mounts > /etc/mtab
# Remove stale backups
rm -f /etc/mtab~ /etc/mtab~~
eend 0
}
root_rw() {
echo 2>/dev/null >/.test.$$ || return 1
rm -f /.test.$$
}
do_fsck() {
local retval=0 opts= root=
case "${RC_UNAME}" in
FreeBSD) opts="-F";;
Linux) opts="-T -C0";;
esac
# Don't bother doing a fsck on these
if [ -n "${CDBOOT}" ] || is_net_fs / || is_union_fs /; then
return 0
fi
if root_rw; then
einfo "root filesystem is mounted read-write - skipping"
return 0
fi
root=$(fstabinfo --blockdevice /)
[ ! -e "${root}" -a -e /dev/root ] && root=/dev/root
# Obey the fs_passno setting for / (see fstab(5))
local pass=$(fstabinfo --passno /)
if [ ${pass:-0} != "0" ]; then
ebegin "Checking root filesystem"
fsck ${opts} -p "${root}"
retval=$?
else
ebegin "Skipping root filesystem check (fstab's passno == 0)"
retval=0
fi
if [ ${retval} -eq 0 ]; then
eend 0
elif [ ${retval} -eq 1 ]; then
ewend 1 "Filesystem repaired"
retval=0
elif [ ${retval} -eq 8 ]; then
ewend 1 $"Operational error, continuing"
retval=0
elif [ ${retval} -eq 2 -o ${retval} -eq 3 ]; then
ewend 1 "Filesystem repaired, but reboot needed!"
if ! yesno ${rc_force_auto:-${RC_FORCE_AUTO}}; then
printf "\a"; sleep 1; printf "\a"; sleep 1
printf "\a"; sleep 1; printf "\a"; sleep 1
ewarn "Rebooting in 10 seconds ..."
sleep 10
fi
einfo "Rebooting"
reboot -f
else
if yesno ${rc_force_auto:-${RC_FORCE_AUTO}}; then
eend 2 "Rerunning fsck in force mode"
fsck ${opts} -y "${root}"
retval=$?
else
eend 2 "Filesystem couldn't be fixed :("
exec rc-abort || exit 1
fi
if [ ${retval} != "0" ]; then
einfo "Unmounting filesystems"
if [ "${RC_UNAME}" = "Linux" ]; then
mount -a -o remount,ro /
else
mount -u -o ro /
fi
einfo "Rebooting"
reboot -f
fi
fi
}
start() {
do_fsck || return 1
if ! root_rw; then
ebegin "Remounting root filesystem read/write"
if [ "${RC_UNAME}" = "Linux" ]; then
mount -n -o remount,rw /
else
mount -u -o rw /
fi
eend $? "Root filesystem could not be mounted read/write" || return $?
fi
# Only Linux has mtab
[ "${RC_UNAME}" = "Linux" -a -e /proc/mounts ] && do_mtab
# We got here, so return 0
return 0
}
# vim: set ts=4 :
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