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#!/bin/sh
# Copyright 2010 Vertical Communications
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
determine_root_device() {
root_device="$(mount | grep ' / ' | cut -f1 -d\ | grep -v rootfs )"
}
set_jffs_mp() {
jffs="$(awk '/jffs2/ {print $2}' /proc/mounts)"
}
er_load_modules() {
mkdir -p /tmp/extroot_modules/modules.d
mkdir -p /tmp/extroot_modules/modules
ln -sf /etc/modules.d/* /tmp/overlay/etc/modules.d/* /tmp/extroot_modules/modules.d
ln -sf /lib/modules/*/* /tmp/overlay/lib/modules/*/* /tmp/extroot_modules/modules
local modules="$(grep -l '# May be required for rootfs' /tmp/extroot_modules/modules.d/* 2>/dev/null)"
cd /tmp/extroot_modules/modules && [ -n "$modules" ] && {
cat $modules | sed -e 's/^\([^#].*\)/insmod \.\/\1.ko/'| sh 2>&- || :
}
rm -rf /tmp/extroot_modules
}
pivot_rom() { # <new_root> <old_root>
mount -o move /proc $1/proc && \
pivot_root $1 $1$2 && {
mount -o move $2/dev /dev
mount -o move $2/tmp /tmp
mount -o move $2/sys /sys 2>&-
return 0
}
}
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