[x86] Fix sysupgrade for squashfs, jffs2 and ext4 images
authorVasilis Tsiligiannis <acinonyx@openwrt.gr>
Tue, 19 Jun 2012 22:36:53 +0000 (22:36 +0000)
committerVasilis Tsiligiannis <acinonyx@openwrt.gr>
Tue, 19 Jun 2012 22:36:53 +0000 (22:36 +0000)
* use 'fsync' with 'dd' for image writing
* save config to boot partition

SVN-Revision: 32465

target/linux/x86/base-files/lib/preinit/89_move_config [new file with mode: 0644]
target/linux/x86/base-files/lib/upgrade/platform.sh

diff --git a/target/linux/x86/base-files/lib/preinit/89_move_config b/target/linux/x86/base-files/lib/preinit/89_move_config
new file mode 100644 (file)
index 0000000..ba337e1
--- /dev/null
@@ -0,0 +1,22 @@
+#!/bin/sh
+# Copyright (C) 2012 OpenWrt.org
+
+move_config() {
+       local rootfsdev
+       local rootfstype
+       
+       rootfstype="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "rootfstype") { print $2 }' < /proc/cmdline)"
+       case "$rootfstype" in
+               squashfs|jffs2)
+                       rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)";;
+               ext4)
+                       rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)";;
+       esac
+
+       mount -t ext4 -o rw,noatime "${rootfsdev%[0-9]}1" /mnt
+       mv -f /mnt/sysupgrade.tgz /
+       umount /mnt
+}
+
+boot_hook_add preinit_main move_config
+
index ca5d2c6..dc4790b 100644 (file)
@@ -1,5 +1,20 @@
 USE_REFRESH=1
 
+x86_get_rootfs() {
+       local rootfsdev
+       local rootfstype
+       
+       rootfstype="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "rootfstype") { print $2 }' < /proc/cmdline)"
+       case "$rootfstype" in
+               squashfs|jffs2)
+                       rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)";;
+               ext4)
+                       rootfsdev="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)";;
+       esac
+               
+       echo "$rootfstype:$rootfsdev"
+}
+
 platform_check_image() {
        [ "$ARGC" -gt 1 ] && return 1
 
@@ -12,22 +27,24 @@ platform_check_image() {
        esac
 }
 
-platform_do_upgrade() {
-       local ROOTFS
-       sync
-       grep -q -e "jffs2" -e "squashfs" /proc/cmdline \
-               && ROOTFS="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "block2mtd.block2mtd") { print substr($2,1,index($2, ",")-1) }' < /proc/cmdline)" \
-               || ROOTFS="$(awk 'BEGIN { RS=" "; FS="="; } ($1 == "root") { print $2 }' < /proc/cmdline)"
-       [ -b ${ROOTFS%[0-9]} ] && get_image "$1" > ${ROOTFS%[0-9]}
+platform_refresh_partitions() {
+       return 0
 }
 
-x86_prepare_ext2() {
-       # if we're running from ext2, we need to make sure that we have a mtd 
-       # partition that points to the active rootfs partition.
-       # however this only matters if we actually need to preserve the config files
-       [ "$SAVE_CONFIG" -eq 1 ] || return 0
-       grep rootfs /proc/mtd >/dev/null || {
-               echo /dev/hda2,65536,rootfs > /sys/module/block2mtd/parameters/block2mtd
-       }
+platform_copy_config() {
+       local rootfs="$(x86_get_rootfs)"
+       local rootfsdev="${rootfs##*:}"
+       
+       mount -t ext4 -o rw,noatime "${rootfsdev%[0-9]}1" /mnt
+       cp -af "$CONF_TAR" /mnt/
+       umount /mnt
+}
+
+platform_do_upgrade() {
+       local rootfs="$(x86_get_rootfs)"
+       local rootfsdev="${rootfs##*:}"
+
+       sync
+       [ -b ${rootfsdev%[0-9]} ] && get_image "$@" | dd of=${rootfsdev%[0-9]} bs=4096 conv=fsync
+       sleep 1
 }
-append sysupgrade_pre_upgrade x86_prepare_ext2