2 # Copyright 2010 Vertical Communications
4 # This is free software, licensed under the GNU General Public License v2.
5 # See /LICENSE for more information.
7 determine_root_device() {
8 root_device="$(mount | grep ' / ' | cut -f1 -d\ | grep -v rootfs )"
12 jffs="$(awk '/jffs2/ {print $2}' /proc/mounts)"
16 mkdir -p /tmp/extroot_modules/modules.d
17 mkdir -p /tmp/extroot_modules/modules
18 ln -sf /etc/modules.d/* /tmp/overlay/etc/modules.d/* /tmp/extroot_modules/modules.d
19 ln -sf /lib/modules/*/* /tmp/overlay/lib/modules/*/* /tmp/extroot_modules/modules
20 local modules="$(grep -l '# May be required for rootfs' /tmp/extroot_modules/modules.d/* 2>/dev/null)"
21 cd /tmp/extroot_modules/modules && [ -n "$modules" ] && {
22 cat $modules | sed -e 's/^\([^#].*\)/insmod \.\/\1.ko/'| sh 2>&- || :
24 rm -rf /tmp/extroot_modules
27 pivot_rom() { # <new_root> <old_root>
28 mount -o move /proc $1/proc && \
29 pivot_root $1 $1$2 && {
30 mount -o move $2/dev /dev
31 mount -o move $2/tmp /tmp
32 mount -o move $2/sys /sys 2>&-