#!@SBINDIR@/runscript # Copyright (c) 2007-2009 Roy Marples # Released under the 2-clause BSD license. description="Mount the sys filesystem." sysfs_opts=nodev,noexec,nosuid depend() { keyword -lxc -prefix -vserver } mount_sys() { grep -Eq "[[:space:]]+sysfs$" /proc/filesystems || return 1 mountinfo -q /sys && return 0 if [ ! -d /sys ]; then if ! mkdir -m 0755 /sys; then ewarn "Could not create /sys!" return 1 fi fi ebegin "Mounting /sys" if ! fstabinfo --mount /sys; then mount -n -t sysfs -o ${sysfs_opts} sysfs /sys fi eend $? } mount_misc() { # Setup Kernel Support for securityfs if [ -d /sys/kernel/security ] && \ ! mountinfo -q /sys/kernel/security; then if grep -qs securityfs /proc/filesystems; then ebegin "Mounting security filesystem" mount -n -t securityfs -o ${sysfs_opts} \ securityfs /sys/kernel/security eend $? fi fi # Setup Kernel Support for debugfs if [ -d /sys/kernel/debug ] && ! mountinfo -q /sys/kernel/debug; then if grep -qs debugfs /proc/filesystems; then ebegin "Mounting debug filesystem" mount -n -t debugfs -o ${sysfs_opts} debugfs /sys/kernel/debug eend $? fi fi # Setup Kernel Support for configfs if [ -d /sys/kernel/config ] && ! mountinfo -q /sys/kernel/config; then if grep -qs configfs /proc/filesystems; then ebegin "Mounting config filesystem" mount -n -t configfs -o ${sysfs_opts} configfs /sys/kernel/config eend $? fi fi # set up kernel support for cgroups if [ -d /sys/fs/cgroup ] && ! mountinfo -q /sys/fs/cgroup; then if grep -qs cgroup /proc/filesystems; then ebegin "Mounting cgroup filesystem" local opts="${sysfs_opts},mode=755,size=${rc_cgroupsize:-10m}" mount -n -t tmpfs -o ${opts} cgroup_root /sys/fs/cgroup eend $? fi fi # set up kernel support for fusectl if [ -d /sys/fs/fuse/connections ] \ && ! mountinfo -q /sys/fs/fuse/connections; then if grep -qs fusectl /proc/filesystems; then ebegin "Mounting fuse control filesystem" mount -n -t fusectl -o ${sysfs_opts} \ fusectl /sys/fs/fuse/connections eend $? fi fi # setup up kernel support for efivarfs # slightly complicated, as if it's build as a module but NOT yet loaded, # it will NOT appear in /proc/filesystems yet if [ -d /sys/firmware/efi/efivars ] \ && ! mountinfo -q /sys/firmware/efi/efivars; then modprobe -q efivarfs if grep -qs efivarfs /proc/filesystems; then ebegin "Mounting efivarfs filesystem" mount -n -t efivarfs -o ${sysfs_opts} \ efivarfs /sys/firmware/efi/efivars eend $? fi fi } mount_cgroups() { mountinfo -q /sys/fs/cgroup || return 0 local agent="@LIBEXECDIR@/sh/cgroup-release-agent.sh" mkdir /sys/fs/cgroup/openrc mount -n -t cgroup \ -o none,${sysfs_opts},name=openrc,release_agent="$agent" \ openrc /sys/fs/cgroup/openrc echo 1 > /sys/fs/cgroup/openrc/notify_on_release yesno ${rc_controller_cgroups:-YES} && [ -e /proc/cgroups ] || return 0 while read name hier groups enabled rest; do case "${enabled}" in 1) mkdir /sys/fs/cgroup/${name} mount -n -t cgroup -o ${sysfs_opts},${name} \ ${name} /sys/fs/cgroup/${name} ;; esac done < /proc/cgroups } start() { local retval mount_sys retval=$? if [ $retval -eq 0 ]; then mount_misc retval=$? fi if [ $retval -eq 0 ]; then mount_cgroups retval=$? fi return $retval }