461c69acdb
The linux kernel documentation suggests mounting a separate cgroup hierarchy for each subsystem you want to control/monitor. This changes the cgroups mounting code to do this.
110 lines
2.3 KiB
Plaintext
110 lines
2.3 KiB
Plaintext
#!@PREFIX@/sbin/runscript
|
|
# Copyright (c) 2007-2009 Roy Marples <roy@marples.name>
|
|
# Released under the 2-clause BSD license.
|
|
|
|
description="Mount the sys filesystem."
|
|
|
|
depend()
|
|
{
|
|
keyword -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 noexec,nosuid,nodev 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 nodev,noexec,nosuid \
|
|
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 nodev,noexec,nosuid \
|
|
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 nodev,noexec,nosuid \
|
|
configfs /sys/kernel/config
|
|
eend $?
|
|
fi
|
|
fi
|
|
}
|
|
|
|
mount_cgroups()
|
|
{
|
|
if [ ! -e /proc/cgroups ]; then
|
|
return 0
|
|
fi
|
|
|
|
if [ -d /sys/fs/cgroup ] && ! mountinfo -q /sys/fs/cgroup; then
|
|
if grep -qs cgroup /proc/filesystems; then
|
|
ebegin "Mounting cgroup filesystem"
|
|
mount -n -t tmpfs -o nodev,noexec,nosuid,mode=755 \
|
|
cgroup_root /sys/fs/cgroup
|
|
eend $?
|
|
fi
|
|
fi
|
|
|
|
while read name hier groups enabled rest; do
|
|
case "${enabled}" in
|
|
1) mkdir /sys/fs/cgroup/${name}
|
|
mount -t cgroup -o nodev,noexec,nosuid,${name} \
|
|
${name} /sys/fs/cgroup/${name}
|
|
;;
|
|
esac
|
|
done < /proc/cgroups
|
|
|
|
# mkdir /sys/fs/cgroup/openrc
|
|
# mount -t cgroup \
|
|
# -o nodev,noexec,nosuid,name=openrc \
|
|
# openrc /sys/fs/cgroup/openrc
|
|
}
|
|
|
|
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
|
|
}
|