openwrtv4/package/base-files/files/sbin/mount_root

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#!/bin/sh
# Copyright (C) 2006 OpenWrt.org
. /etc/functions.sh
jffs2_ready () {
mtdpart="$(find_mtd_part rootfs_data)"
magic=$(hexdump $mtdpart -n 4 -e '4/1 "%02x"')
[ "$magic" != "deadc0de" ]
}
grep rootfs_data /proc/mtd >/dev/null 2>/dev/null && {
. /sbin/firstboot
mtd unlock rootfs_data
jffs2_ready && {
echo "switching to jffs2"
mount "$(find_mtd_part rootfs_data)" /jffs -t jffs2 && \
fopivot /jffs /rom
} || {
echo "jffs2 not ready yet; using ramdisk"
ramoverlay
}
} || {
mtd unlock rootfs
mount -o remount,rw /dev/root /
}