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|
#!/bin/sh
### BEGIN INIT INFO
# Provides: checkroot
# Required-Start: udev
# Required-Stop:
# Default-Start: S
# Default-Stop:
# Short-Description: Check to root file system.
### END INIT INFO
. /etc/default/rcS
#
# Set SULOGIN in /etc/default/rcS to yes if you want a sulogin to be spawned
# from this script *before anything else* with a timeout, like SCO does.
#
test "$SULOGIN" = yes && sulogin -t 30 $CONSOLE
#
# Read /etc/fstab.
#
exec 9< /etc/fstab
rootmode=rw
rootopts=rw
rootcheck=$ENABLE_ROOTFS_FSCK
swap_on_md=no
devfs=
while read fs mnt type opts dump pass junk <&9
do
case "$fs" in
""|\#*)
continue;
;;
/dev/md*)
# Swap on md device.
test "$type" = swap && swap_on_md=yes
;;
/dev/*)
;;
*)
# Might be a swapfile.
test "$type" = swap && swap_on_md=yes
;;
esac
test "$type" = devfs && devfs="$fs"
test "$mnt" != / && continue
rootopts="$opts"
test "$pass" = 0 -o "$pass" = "" && rootcheck=no
case "$opts" in
ro|ro,*|*,ro|*,ro,*)
rootmode=ro
;;
esac
done
exec 0>&9 9>&-
# Check for conflicting configurations
if [ "$rootmode" = "ro" -a "$ROOTFS_READ_ONLY" = "no" ] || \
[ "$rootmode" = "rw" -a "$ROOTFS_READ_ONLY" = "yes" ]; then
echo ""
echo "WARN: conflicting configurations in /etc/fstab and /etc/default/rcS"
echo " regarding the writability of rootfs. Please fix one of them."
echo ""
fi
#
# Activate the swap device(s) in /etc/fstab. This needs to be done
# before fsck, since fsck can be quite memory-hungry.
#
test "$VERBOSE" != no && echo "Activating swap"
[ -x /sbin/swapon ] && swapon -a
#
# Check the root filesystem.
#
if test -f /fastboot || test $rootcheck = no
then
test $rootcheck = yes && echo "Fast boot, no filesystem check"
else
#
# Ensure that root is quiescent and read-only before fsck'ing.
#
mount -n -o remount,ro /
if test $? = 0
then
if test -f /forcefsck
then
force="-f"
else
force=""
fi
if test "$FSCKFIX" = yes
then
fix="-y"
else
fix="-a"
fi
spinner="-C"
case "$TERM" in
dumb|network|unknown|"") spinner="" ;;
esac
test `uname -m` = s390 && spinner="" # This should go away
test "$VERBOSE" != no && echo "Checking root filesystem..."
fsck $spinner $force $fix /
#
# If there was a failure, drop into single-user mode.
#
# NOTE: "failure" is defined as exiting with a return code of
# 2 or larger. A return code of 1 indicates that filesystem
# errors were corrected but that the boot may proceed.
#
if test "$?" -gt 1
then
# Surprise! Re-directing from a HERE document (as in
# "cat << EOF") won't work, because the root is read-only.
echo
echo "fsck failed. Please repair manually and reboot. Please note"
echo "that the root filesystem is currently mounted read-only. To"
echo "remount it read-write:"
echo
echo " # mount -n -o remount,rw /"
echo
echo "CONTROL-D will exit from this shell and REBOOT the system."
echo
# Start a single user shell on the console
/sbin/sulogin $CONSOLE
reboot -f
fi
else
echo "*** ERROR! Cannot fsck root fs because it is not mounted read-only!"
echo
fi
fi
#
# If the root filesystem was not marked as read-only in /etc/fstab,
# remount the rootfs rw but do not try to change mtab because it
# is on a ro fs until the remount succeeded. Then clean up old mtabs
# and finally write the new mtab.
#
mount -n -o remount,$rootmode /
if test "$rootmode" = rw
then
ln -sf /proc/mounts /dev/mtab
fi
: exit 0
|
