root@OpenWrt:/etc/init.d# cat fstab 

#!/bin/sh /etc/rc.common

# Copyright (C) 2007 OpenWrt.org



START=20



do_mount() {

   local cfg="$1"

   config_get fstype "$cfg" fstype

   fstype="${fstype:-auto}"

   config_get options "$cfg" options

   options="${options:-rw}"

   config_get device "$cfg" device

   [ -n "$device" ] || return 0

   config_get target "$cfg" target

   [ -n "$target" ] || return 0

   mkdir -p $target

   config_get_bool enabled "$cfg" "enabled" '1'

   [ "$enabled" -eq 0 ] && options="noauto,$options"

   echo "$device   $target   $fstype   $options   0   0" >> /tmp/fstab

}



do_swapon() {

   local cfg="$1"

   config_get device "$cfg" device

   [ -n "$device" ] || return 0

   config_get_bool enabled "$cfg" "enabled" '1'

   [ "$enabled" -gt 0 ] && {

      echo "$device   none   swap   ${noauto}sw   0   0" >> /tmp/fstab

   }

}



do_unmount() {

   local cfg="$1"

   config_get target "$cfg" target

   [ -n "$target" ] || return 0

   config_get_bool enabled "$cfg" "enabled" '1'

   [ "$enabled" -gt 0 ] && {

      umount $target

   }

}

   

do_swapoff() {

   local cfg="$1"

   config_get device "$cfg" device

   [ -n "$device" ] || return 0

   config_get_bool enabled "$cfg" "enabled" '1'

   [ "$enabled" -gt 0 ] && type swapoff >/dev/null && {

      swapoff $device

   }

}



start() {

   config_load fstab

   echo '# WARNING: this is an auto generated file, please use uci to set static filesystems' > /tmp/fstab

   config_foreach do_mount mount

   config_foreach do_swapon swap

   mount -a

   [ -x /sbin/swapon ] && swapon -a

}



stop() {

   config_load fstab

   config_foreach do_unmount mount

   config_foreach do_swapoff swap

   [ -x /sbin/swapoff ] && swapoff -a

}