1#!/bin/sh 2# 3# SPDX-License-Identifier: GPL-2.0-only 4# 5 6### BEGIN INIT INFO 7# Provides: mountvirtfs 8# Required-Start: 9# Required-Stop: 10# Default-Start: S 11# Default-Stop: 12# Short-Description: Mount kernel virtual file systems. 13# Description: Mount initial set of virtual filesystems the kernel 14# provides and that are required by everything. 15### END INIT INFO 16 17if [ -e /proc ] && ! [ -e /proc/mounts ]; then 18 mount -t proc proc /proc 19fi 20 21if [ -e /sys ] && grep -q sysfs /proc/filesystems && ! [ -e /sys/class ]; then 22 mount -t sysfs sysfs /sys 23fi 24 25if [ -e /sys/kernel/debug ] && grep -q debugfs /proc/filesystems; then 26 mount -t debugfs debugfs /sys/kernel/debug 27fi 28 29if [ -e /sys/kernel/config ] && grep -q configfs /proc/filesystems; then 30 mount -t configfs configfs /sys/kernel/config 31fi 32 33if [ -e /sys/firmware/efi/efivars ] && grep -q efivarfs /proc/filesystems; then 34 mount -t efivarfs efivarfs /sys/firmware/efi/efivars 35fi 36 37if ! [ -e /dev/zero ] && [ -e /dev ] && grep -q devtmpfs /proc/filesystems; then 38 mount -n -t devtmpfs devtmpfs /dev 39fi 40