kernel/base-files: clean up old code related to refreshing mtd partitions, it is...

[openwrt/svn-archive/archive.git] / package / base-files / files / lib / upgrade / common.sh

diff --git a/package/base-files/files/lib/upgrade/common.sh b/package/base-files/files/lib/upgrade/common.sh
index bf9c40d295dbfc068f50b521ee796db1954e5389..7e6e5fc0154cc5bfe7ad1bf44ea78f9c436b7a79 100644 (file)
--- a/package/base-files/files/lib/upgrade/common.sh
+++ b/package/base-files/files/lib/upgrade/common.sh
@@ -21,8 +21,8 @@ install_bin() { # <file> [ <symlink> ... ]
        files=$1
        [ -x "$src" ] && files="$src $(libs $src)"
        install_file $files
-       [ -e /lib/ld-linux.so.3 ] && {
-               install_file /lib/ld-linux.so.3
+       [ -e /lib/ld.so.1 ] && {
+               install_file /lib/ld.so.1
        }
        shift
        for link in "$@"; do {
@@ -33,29 +33,36 @@ install_bin() { # <file> [ <symlink> ... ]
        }; done
 }
 
-pivot() { # <new_root> <old_root>
+supivot() { # <new_root> <old_root>
        mount | grep "on $1 type" 2>&- 1>&- || mount -o bind $1 $1
-       mkdir -p $1$2 $1/proc $1/dev $1/tmp $1/overlay && \
-       mount -o move /proc $1/proc && \
+       mkdir -p $1$2 $1/proc $1/sys $1/dev $1/tmp $1/overlay && \
+       mount -o noatime,move /proc $1/proc && \
        pivot_root $1 $1$2 || {
-        umount $1 $1
+        umount -l $1 $1
                return 1
        }
-       mount -o move $2/dev /dev
-       mount -o move $2/tmp /tmp
-       mount -o move $2/overlay /overlay 2>&-
+
+       mount -o noatime,move $2/sys /sys
+       mount -o noatime,move $2/dev /dev
+       mount -o noatime,move $2/tmp /tmp
+       mount -o noatime,move $2/overlay /overlay 2>&-
        return 0
 }
 
 run_ramfs() { # <command> [...]
-       install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount /sbin/pivot_root /usr/bin/wget /sbin/reboot /bin/sync /bin/dd /bin/grep /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump /bin/sleep /bin/zcat /usr/bin/bzcat
+       install_bin /bin/busybox /bin/ash /bin/sh /bin/mount /bin/umount        \
+               /sbin/pivot_root /usr/bin/wget /sbin/reboot /bin/sync /bin/dd   \
+               /bin/grep /bin/cp /bin/mv /bin/tar /usr/bin/md5sum "/usr/bin/[" \
+               /bin/vi /bin/ls /bin/cat /usr/bin/awk /usr/bin/hexdump          \
+               /bin/sleep /bin/zcat /usr/bin/bzcat /usr/bin/printf /usr/bin/wc
+
        install_bin /sbin/mtd
        for file in $RAMFS_COPY_BIN; do
                install_bin $file
        done
-       install_file /etc/resolv.conf /etc/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
+       install_file /etc/resolv.conf /lib/functions.sh /lib/functions.sh /lib/upgrade/*.sh $RAMFS_COPY_DATA
 
-       pivot $RAM_ROOT /mnt || {
+       supivot $RAM_ROOT /mnt || {
                echo "Failed to switch over to ramfs. Please reboot."
                exit 1
        }
@@ -64,7 +71,7 @@ run_ramfs() { # <command> [...]
        umount -l /mnt
 
        grep /overlay /proc/mounts > /dev/null && {
-               mount -o remount,ro /overlay
+               mount -o noatime,remount,ro /overlay
                umount -l /overlay
        }
 
@@ -72,6 +79,40 @@ run_ramfs() { # <command> [...]
        exec /bin/busybox ash -c "$*"
 }
 
+kill_remaining() { # [ <signal> ]
+       local sig="${1:-TERM}"
+       echo -n "Sending $sig to remaining processes ... "
+
+       local stat
+       for stat in /proc/[0-9]*/stat; do
+               [ -f "$stat" ] || continue
+
+               local pid name state ppid rest
+               read pid name state ppid rest < $stat
+               name="${name#(}"; name="${name%)}"
+
+               local cmdline
+               read cmdline < /proc/$pid/cmdline
+
+               # Skip kernel threads 
+               [ -n "$cmdline" ] || continue
+
+               case "$name" in
+                       # Skip essential services
+                       *procd*|*ash*|*init*|*watchdog*|*ssh*|*dropbear*|*telnet*|*login*|*hostapd*|*wpa_supplicant*) : ;;
+
+                       # Killable process
+                       *)
+                               if [ $pid -ne $$ ] && [ $ppid -ne $$ ]; then
+                                       echo -n "$name "
+                                       kill -$sig $pid 2>/dev/null
+                               fi
+                       ;;
+               esac
+       done
+       echo ""
+}
+
 run_hooks() {
        local arg="$1"; shift
        for func in "$@"; do
@@ -116,14 +157,14 @@ get_image() { # <source> [ <command> ]
                *) cmd="cat";;
        esac
        if [ -z "$conc" ]; then
-               local magic="$(eval $cmd $from | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
+               local magic="$(eval $cmd $from 2>/dev/null | dd bs=2 count=1 2>/dev/null | hexdump -n 2 -e '1/1 "%02x"')"
                case "$magic" in
                        1f8b) conc="zcat";;
                        425a) conc="bzcat";;
                esac
        fi
 
-       eval "$cmd $from ${conc:+| $conc}"
+       eval "$cmd $from 2>/dev/null ${conc:+| $conc}"
 }
 
 get_magic_word() {
@@ -134,10 +175,6 @@ get_magic_long() {
        get_image "$@" | dd bs=4 count=1 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
 }
 
-refresh_mtd_partitions() {
-       mtd refresh rootfs
-}
-
 jffs2_copy_config() {
        if grep rootfs_data /proc/mtd >/dev/null; then
                # squashfs+jffs2
@@ -150,7 +187,7 @@ jffs2_copy_config() {
 
 default_do_upgrade() {
        sync
-       if [ "$SAVE_CONFIG" -eq 1 -a -z "$USE_REFRESH" ]; then
+       if [ "$SAVE_CONFIG" -eq 1 ]; then
                get_image "$1" | mtd -j "$CONF_TAR" write - "${PART_NAME:-image}"
        else
                get_image "$1" | mtd write - "${PART_NAME:-image}"
@@ -165,24 +202,15 @@ do_upgrade() {
                default_do_upgrade "$ARGV"
        fi
 
-       [ "$SAVE_CONFIG" -eq 1 -a -n "$USE_REFRESH" ] && {
-               v "Refreshing partitions"
-               if type 'platform_refresh_partitions' >/dev/null 2>/dev/null; then
-                       platform_refresh_partitions
-               else
-                       refresh_mtd_partitions
-               fi
-               if type 'platform_copy_config' >/dev/null 2>/dev/null; then
-                       platform_copy_config
-               else
-                       jffs2_copy_config
-               fi
-       }
+       if [ "$SAVE_CONFIG" -eq 1 ] && type 'platform_copy_config' >/dev/null 2>/dev/null; then
+               platform_copy_config
+       fi
+
        v "Upgrade completed"
        [ -n "$DELAY" ] && sleep "$DELAY"
        ask_bool 1 "Reboot" && {
                v "Rebooting system..."
-               reboot
+               reboot -f
                sleep 5
                echo b 2>/dev/null >/proc/sysrq-trigger
        }