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-rwxr-xr-xmeta/recipes-core/initscripts/initscripts-1.0/checkroot.sh137
1 files changed, 137 insertions, 0 deletions
diff --git a/meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh b/meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh
new file mode 100755
index 0000000000..02697ce9bf
--- /dev/null
+++ b/meta/recipes-core/initscripts/initscripts-1.0/checkroot.sh
@@ -0,0 +1,137 @@
+### 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 $CONSOLE
+
+#
+# Read /etc/fstab.
+#
+exec 9< /etc/fstab
+rootmode=rw
+rootopts=rw
+rootcheck=no
+swap_on_md=no
+devfs=
+while read fs mnt type opts dump pass junk <&9
+do
+ case "$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 "$opts" in
+ ro|ro,*|*,ro|*,ro,*)
+ rootmode=ro
+ ;;
+ esac
+done
+exec 0>&9 9>&-
+
+#
+# Activate the swap device(s) in /etc/fstab. This needs to be done
+# before fsck, since fsck can be quite memory-hungry.
+#
+test "$VERBOSE" != no && echo "Activating swap"
+swapon -a 2> /dev/null
+
+#
+# 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