pivot() { # <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/jffs && \
+ mkdir -p $1$2 $1/proc $1/dev $1/tmp $1/overlay && \
mount -o move /proc $1/proc && \
pivot_root $1 $1$2 || {
umount $1 $1
}
mount -o move $2/dev /dev
mount -o move $2/tmp /tmp
- mount -o move $2/jffs /jffs 2>&-
+ mount -o move $2/overlay /overlay 2>&-
return 0
}
mount -o remount,ro /mnt
umount -l /mnt
- grep /jffs /proc/mounts > /dev/null && {
- mount -o remount,ro /jffs
- umount -l /jffs
+ grep /overlay /proc/mounts > /dev/null && {
+ mount -o remount,ro /overlay
+ umount -l /overlay
}
# spawn a new shell from ramdisk to reduce the probability of cache issues
get_image "$@" | dd bs=2 count=1 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"'
}
+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
}