mnt

...
on fs
# mount mtd partitions

    # Mount /system rw first to give the filesystem a chance to save a checkpoint
    mount yaffs2 mtd@system /system
    mount yaffs2 mtd@system /system ro remount
    mount yaffs2 mtd@userdata /data nosuid nodev
    mount yaffs2 mtd@persist /persist nosuid nodev
    mount yaffs2 mtd@cache /cache nosuid nodev
    mount yaffs2 mtd@persist /persist nosuid nodev
...