On flash.layout, the partition layout is described as below:
- The SquashFS image: unnamed partition identified by the file name /dev/root
- The JFFS2 partition: rootfs_data
- The union mount of 2 file systems above: rootfs
And on extroot_configuration, it is described as:
- The SquashFS image: rootfs
- The JFFS2 partition: rootfs_data
- The union mount of 2 file systems above: overlay
Please correct it.