root@DD-WRT:~# cat /proc/partitions
major minor  #blocks  name

  31        0        128 mtdblock0
  31        1       7872 mtdblock1
  31        2       6144 mtdblock2
  31        3        768 mtdblock3
  31        4         64 mtdblock4
  31        5         64 mtdblock5
  31        6       8192 mtdblock6
  31        7        128 mtdblock7