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authorKoen Kooi <koen@openembedded.org>2005-06-30 08:19:37 (GMT)
committer OpenEmbedded Project <openembedded-devel@lists.openembedded.org>2005-06-30 08:19:37 (GMT)
commitc8e5702127e507e82e6f68a4b8c546803accea9d (patch)
tree00583491f40ecc640f2b28452af995e3a63a09d7 /packages/initscripts/initscripts-1.0/checkroot.sh
parent87ec8ca4d2e2eb4d1c1e1e1a6b46a395d56805b9 (diff)
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import clean BK tree at cset 1.3670
Diffstat (limited to 'packages/initscripts/initscripts-1.0/checkroot.sh')
-rwxr-xr-x[-rw-r--r--]packages/initscripts/initscripts-1.0/checkroot.sh165
1 files changed, 165 insertions, 0 deletions
diff --git a/packages/initscripts/initscripts-1.0/checkroot.sh b/packages/initscripts/initscripts-1.0/checkroot.sh
index e69de29..8255038 100644..100755
--- a/packages/initscripts/initscripts-1.0/checkroot.sh
+++ b/packages/initscripts/initscripts-1.0/checkroot.sh
@@ -0,0 +1,165 @@
+#
+# checkroot.sh Check to root filesystem.
+#
+# Version: @(#)checkroot.sh 2.84 25-Jan-2002 miquels@cistron.nl
+#
+
+. /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 $CONSOLE
+
+#
+# Ensure that bdflush (update) is running before any major I/O is
+# performed (the following fsck is a good example of such activity :).
+#
+test -x /sbin/update && update
+
+#
+# Read /etc/fstab.
+#
+exec 9>&0 </etc/fstab
+rootmode=rw
+rootopts=rw
+rootcheck=no
+swap_on_md=no
+devfs=
+while read fs mnt type opts dump pass junk
+do
+ case "$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.
+#
+doswap=no
+test -d /proc/1 || mount -n /proc
+case "`uname -r`" in
+ 2.[0123].*)
+ if test $swap_on_md = yes && grep -qs resync /proc/mdstat
+ then
+ test "$VERBOSE" != no && echo "Not activating swap - RAID array resyncing"
+ else
+ doswap=yes
+ fi
+ ;;
+ *)
+ doswap=yes
+ ;;
+esac
+if test $doswap = yes
+then
+ test "$VERBOSE" != no && echo "Activating swap"
+ swapon -a 2> /dev/null
+fi
+
+#
+# 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 "$rootmode" = rw
+then
+ if test ! -L /etc/mtab
+ then
+ rm -f /etc/mtab~ /etc/nologin
+ : > /etc/mtab
+ fi
+ mount -f -o remount /
+ mount -f /proc
+ test "$devfs" && grep -q '^devfs /dev' /proc/mounts && mount -f "$devfs"
+fi
+
+: exit 0