root@route:/opt/etc/init.d# mount
/dev/root on / type squashfs (ro,relatime)
proc on /proc type proc (rw,relatime)
sysfs on /sys type sysfs (rw,relatime)
ramfs on /tmp type ramfs (rw,relatime)
none on /dev type tmpfs (rw,relatime,size=512K)
devpts on /dev/pts type devpts (rw,relatime,mode=600)
devpts on /proc/bus/usb type usbfs (rw,relatime)
/dev/sda1 on /opt type ext4 (rw,noatime,nodiratime,nobarrier,data=ordered,init_itable=0)
/dev/sda1 on /tmp/mnt/sda1 type ext4 (rw,noatime,nodiratime,nobarrier,data=ordered,init_itable=0)
/dev/sda3 on /jffs type ext4 (rw,noatime,nodiratime,nobarrier,data=ordered,init_itable=0)
/dev/sda3 on /tmp/mnt/sda3 type ext4 (rw,noatime,nodiratime,nobarrier,data=ordered,init_itable=0)