package/base-files/files/sbin/mount_root

   1 #!/bin/sh
   2 # Copyright (C) 2006 OpenWrt.org
   3 . /etc/functions.sh
   4
   5 jffs2_ready () {
   6         mtdpart="$(find_mtd_part rootfs_data)"
   7         magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
   8         [ "$magic" != "deadc0de" ]
   9 }
  10
  11 grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
  12         . /sbin/firstboot
  13         mtd unlock rootfs_data
  14         jffs2_ready && {
  15                 echo "switching to jffs2"
  16                 mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2 && \
  17                         fopivot /jffs /rom
  18         } || {
  19                 echo "jffs2 not ready yet; using ramdisk"
  20                 ramoverlay
  21         }
  22 } || {
  23         mtd unlock rootfs
  24         mount -o remount,rw /dev/root /
  25 }