initscripts-openprotium: improved checking for the root filesystem in

checkroot.sh

3 files changed, 214 insertions, 53 deletions

diff --git a/packages/initscripts/initscripts-1.0/openprotium/checkroot.sh b/packages/initscripts/initscripts-1.0/openprotium/checkroot.sh
new file mode 100755
index 0000000000..c69a773482
--- /dev/null
+++ b/packages/initscripts/initscripts-1.0/openprotium/checkroot.sh
@@ -0,0 +1,212 @@
+#
+# 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 $CONSOLE
+
+#
+# Ensure that bdflush (update) is running before any major I/O is
+# performed (the following fsck is a good example of such activity :).
+#
+test -x /sbin/update && update
+
+#
+# Read /etc/fstab.
+#
+exec 9>&0 </etc/fstab
+rootmode=rw
+rootopts=rw
+test "$ENABLE_ROOTFS_FSCK" = yes && rootcheck="yes" || 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="$fs"
+
+	# Currently we do not care about the other entries
+	if test "$mnt" = "/"
+	then
+		#echo "[$fs] [$mnt] [$type] [$opts] [$dump] [$pass] [$junk]"
+
+		rootopts="$opts"		
+		roottype="$type"
+
+		#The "spinner" is broken on busybox sh	
+		TERM=dumb
+			
+		test "$pass" = 0 -o "$pass" = "" && rootcheck=no
+		
+		# Enable fsck for ext2 and ext3 rootfs, disable for everything else				
+		case "$type" in
+		ext2|ext3)	rootcheck=yes;;
+		*)		rootcheck=no;;
+		esac
+		
+		if test "$rootcheck" = yes
+		then
+			if ! test -x "/sbin/fsck.${roottype}"
+			then
+				echo -e "\n * * * WARNING: /sbin/fsck.${roottype} is missing! * * *\n"
+				rootcheck=no
+			fi
+		fi
+		
+		case "$opts" in
+			ro|ro,*|*,ro|*,ro,*)
+				rootmode=ro
+				;;
+		esac
+	fi
+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 $fix /
+    #
+    # If there was a failure, drop into single-user mode.
+    #
+    # NOTE: "failure" is defined as exiting with a return code of
+    # 2 or larger.  A return code of 1 indicates that filesystem
+    # errors were corrected but that the boot may proceed.
+    #
+    
+    echo "RETURNCODE: [$RTC]"
+    
+    if test "$RTC" -gt 3
+    then
+    
+      # Since this script is run very early in the boot-process, it should be safe to assume that the
+      # output is printed to VT1. However, some distributions use a bootsplash to hide the "ugly" boot
+      # messages and having the bootsplash "hang" due to a waiting fsck prompt is less than ideal
+      chvt 1
+    
+      # 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. " 
+      echo "Please note that the root filesystem is currently "
+      echo "mounted read-only.  To remount it read-write:"
+      echo
+      echo "   # mount -n -o remount,rw /"
+      echo
+      echo "CONTROL-D will exit from this shell"
+      echo "and REBOOT the system."
+      echo
+      # Start a single user shell on the console
+      /sbin/sulogin $CONSOLE
+      reboot -f
+    fi
+  else
+    echo "*** ERROR!  Cannot fsck root fs because it is not mounted read-only!"
+    echo
+  fi
+fi
+
+devrootfound=$(grep "/dev/root" /proc/mounts | \
+        awk '{if ($4 = /rw/) print "found";}' )                                 
+
+if [ -n "$devrootfound" -a "$devrootfound" = "found" ]; then
+	echo "Read/write /dev/root found."            
+	exit 0                                                   
+fi
+
+if mount -vf -o remount / 2> /dev/null | \
+	awk '{if ($6 ~ /rw/) exit 0; else exit 1; }' && \
+	! touch -c / 2> /dev/null 
+	then
+		echo " Remounting root filesystem read/write"
+		mount -n -o remount,$rootmode /
+fi
+
+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 "$devfs"
+fi
+
+: exit 0
diff --git a/packages/initscripts/initscripts-1.0/openprotium/devices.patch b/packages/initscripts/initscripts-1.0/openprotium/devices.patch
deleted file mode 100644
index 2583b62f48..0000000000
--- a/packages/initscripts/initscripts-1.0/openprotium/devices.patch
+++ /dev/null
@@ -1,52 +0,0 @@
-#
-# Patch to allow /dev to reside permanently in the file
-# system.
-#
---- old/devices	2005-05-28 21:51:39.012078699 -0700
-+++ new/devices	2005-06-12 00:16:29.222686303 -0700
-@@ -6,7 +6,7 @@
- . /etc/default/rcS
- 
- # exit without doing anything if udev is active
--if test -e /dev/.udev -o -e /dev/.udevdb; then
-+if test -e /dev/.udev -o -e /dev/.udevdb -o -e /dev/.permanent; then
- 	exit 0
- fi
- 
-@@ -37,12 +37,20 @@
- 	mknod /dev/ppp c 108 0
- 	if test "$VERBOSE" != "no"; then echo "done"; fi
- else
--	if test "$VERBOSE" != "no"; then echo -n "Mounting /dev ramdisk: "; fi
--	mount -t ramfs ramfs /dev || mount -t tmpfs ramfs /dev
--	if test $? -ne 0; then
--		if test "$VERBOSE" != "no"; then echo "failed"; fi
-+	if test -e /dev/.noram
-+	then
-+		# There should be no files, any files will damage the
-+		# makedevs script below.
-+		rm $(find /dev -type f -print)
-+		:>/dev/.noram
- 	else
--		if test "$VERBOSE" != "no"; then echo "done"; fi
-+		if test "$VERBOSE" != "no"; then echo -n "Mounting /dev ramdisk: "; fi
-+		mount -t ramfs ramfs /dev || mount -t tmpfs ramfs /dev
-+		if test $? -ne 0; then
-+			if test "$VERBOSE" != "no"; then echo "failed"; fi
-+		else
-+			if test "$VERBOSE" != "no"; then echo "done"; fi
-+		fi
- 	fi
- 	if test "$VERBOSE" != "no"; then echo -n "Populating /dev: "; fi
- 	cd /
-@@ -60,6 +68,10 @@
- 		if test "$VERBOSE" != "no"; then echo "failed"; fi
- 	else
- 		if test "$VERBOSE" != "no"; then echo "done"; fi
-+		if test -e /dev/.noram
-+		then
-+			:>/dev/.permanent
-+		fi
- 	fi
- fi
- 
diff --git a/packages/initscripts/initscripts-openprotium_1.0.bb b/packages/initscripts/initscripts-openprotium_1.0.bb
index 4266211dba..31f25ce230 100644
--- a/packages/initscripts/initscripts-openprotium_1.0.bb
+++ b/packages/initscripts/initscripts-openprotium_1.0.bb
@@ -23,7 +23,7 @@ SRC_URI += "file://openprotium/devices"
 SRC_URI += "file://openprotium/halt"
 SRC_URI += "file://openprotium/reboot"
 SRC_URI += "file://openprotium/flashclean"
-SRC_URI += "file://openprotium/devices.patch;patch=1"
+SRC_URI += "file://openprotium/checkroot.sh"
 
 # Without this it is not possible to patch checkroot.sh
 S = "${WORKDIR}"
@@ -43,6 +43,7 @@ do_install_append() {
 	install -m 0755 ${WORKDIR}/openprotium/reboot   ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/openprotium/devices  ${D}${sysconfdir}/init.d
 	install -m 0755 ${WORKDIR}/openprotium/flashclean  ${D}${sysconfdir}/init.d
+	install -m 0755 ${WORKDIR}/openprotium/checkroot.sh  ${D}${sysconfdir}/init.d
 
 	# Remove the do install links (this detects a change to the
 	# initscripts .bb file - it will cause a build failure here.)