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add base-files change from whiterussian

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2257 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2005-10-22 19:54:33 +00:00
parent 829d91bb28
commit 3c8c1d5d81
2 changed files with 12 additions and 3 deletions
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13
package/base-files/default/sbin/mount_root
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@@ -1,10 +1,15 @@
#!/bin/sh
. /etc/nvram.sh
is_clean() {
OFFSET="$((0x$(dd if=/dev/mtdblock/1 bs=1 skip=$((0x14)) count=2 2>&- | hexdump | grep 0000000 | cut -d ' ' -f 2) - 1))"
dd if=/dev/mtdblock/1 bs=1 skip=$OFFSET count=1 2>&- | hexdump -v | grep ' 0000' > /dev/null && return 255 || return 0
}
if [ "$1" != "failsafe" ]; then
mount | grep jffs2 >&-
if [ $? = 0 ] ; then
if [ $(cat /proc/mtd | wc -l) = 6 ]; then
[ -f /proc/sys/diag ] && echo 5 > /proc/sys/diag
echo 5 > /proc/sys/diag
mtd unlock linux
mtd erase OpenWrt
jffs2root --move
@@ -13,7 +18,11 @@ if [ "$1" != "failsafe" ]; then
mount -o remount,rw /dev/root /
fi
else
if [ \! -x /usr/sbin/nvram -o -z "$(nvram get no_root_swap)" ]; then
if [ -z "$(nvram get no_root_swap)" ]; then
is_clean || {
mtd erase OpenWrt
jffs2root --clean
}
mtd unlock OpenWrt
mount -t jffs2 /dev/mtdblock/4 /jffs
pivot_root /jffs /jffs/rom