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#!/bin/sh
# Copyright (C) 2006 OpenWrt.org
# Copyright (C) 2010 Vertical Communications
do_move_devtmpfs() {
local mnt="$(grep devtmpfs /proc/mounts)"
mnt="${mnt#* }"; mnt="${mnt%% *}"
[ "$mnt" = "/dev" ] || mount -o move "$mnt" /dev
}
do_mount_devfs() {
mount devfs /dev -t devfs
}
do_mount_hotplug() {
mount -t tmpfs tmpfs /dev -o size=512K
}
do_mount_udev() {
mount -n -t tmpfs -o mode=0755 udev /dev
}
choose_device_fs() {
if grep -q devtmpfs /proc/mounts; then
do_move_devtmpfs
elif grep -q devfs /proc/filesystems; then
do_mount_devfs
elif [ -x /sbin/hotplug2 ]; then
do_mount_hotplug
elif [ -x /sbin/udevd ]; then
do_mount_udev
fi
}
boot_hook_add preinit_essential choose_device_fs
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