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-rw-r--r--package/block-mount/files/extmount.sh36
1 files changed, 36 insertions, 0 deletions
diff --git a/package/block-mount/files/extmount.sh b/package/block-mount/files/extmount.sh
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+++ b/package/block-mount/files/extmount.sh
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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
+ }
+}
+