split cgroups mounting out of sysfs

This is neceessary to allow cgroups to be mounted in an lxc/lxd
container.

Fixes https://github.com/openrc/openrc/issues/187

1 files changed, 0 insertions, 112 deletions

diff --git a/init.d/sysfs.in b/init.d/sysfs.in
index 892528ca..f0d02e5c 100644
--- a/init.d/sysfs.in
+++ b/init.d/sysfs.in
@@ -107,122 +107,11 @@ mount_misc()
 	fi
 }
 
-cgroup1_base()
-{
-	grep -qw cgroup /proc/filesystems || return 0
-	if ! mountinfo -q /sys/fs/cgroup; 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 $?
-	fi
-
-	if ! mountinfo -q /sys/fs/cgroup/openrc; then
-		local agent="${RC_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
-		printf 1 > /sys/fs/cgroup/openrc/notify_on_release
-	fi
-	return 0
-}
-
-cgroup1_controllers()
-{
-	yesno "${rc_controller_cgroups:-YES}" && [ -e /proc/cgroups ] || return 0
-	while read -r name _ _ enabled rest; do
-		case "${enabled}" in
-			1)	mountinfo -q "/sys/fs/cgroup/${name}" && continue
-				local x
-				for x in $rc_cgroup_controllers; do
-				[ "${name}" = "blkio" ] && [ "${x}" = "io" ] &&
-					continue 2
-				[ "${name}" = "${x}" ] &&
-				continue 2
-				done
-				mkdir "/sys/fs/cgroup/${name}"
-				mount -n -t cgroup -o "${sysfs_opts},${name}" \
-					"${name}" "/sys/fs/cgroup/${name}"
-				;;
-		esac
-	done < /proc/cgroups
-	return 0
-}
-
-cgroup2_base()
-{
-	local base
-	base="$(cgroup2_find_path)"
-	mkdir -p "${base}"
-	mount -t cgroup2 none -o "${sysfs_opts},nsdelegate" "${base}" 2> /dev/null ||
-		mount -t cgroup2 none -o "${sysfs_opts}" "${base}"
-	return 0
-}
-
-cgroup2_controllers()
-{
-	local active cgroup_path x y
-	cgroup_path="$(cgroup2_find_path)"
-	[ -z "${cgroup_path}" ] && return 0
-	[ -e "${cgroup_path}/cgroup.controllers" ] &&
-	read -r active < "${cgroup_path}/cgroup.controllers"
-	for x in ${rc_cgroup_controllers}; do
-		for y in ${active}; do
-		[ "$x" = "$y" ] &&
-			[ -e "${cgroup_path}/cgroup.subtree_control" ]&&
-			echo "+${x}"  > "${cgroup_path}/cgroup.subtree_control"
-		done
-	done
-	return 0
-}
-
-cgroups_hybrid()
-{
-	grep -qw cgroup /proc/filesystems || return 0
-	cgroup1_base
-	if grep -qw cgroup2 /proc/filesystems; then
-		cgroup2_base
-		cgroup2_controllers
-	fi
-	cgroup1_controllers
-	return 0
-}
-
-cgroups_legacy()
-{
-	grep -qw cgroup /proc/filesystems || return 0
-	cgroup1_base
-	cgroup1_controllers
-	return 0
-}
-
-cgroups_unified()
-{
-	cgroup2_base
-	cgroup2_controllers
-	return 0
-}
-
-mount_cgroups()
-{
-	# set up kernel support for cgroups
-	if [ -d /sys/fs/cgroup ]; then
-		case "${rc_cgroup_mode:-hybrid}" in
-		hybrid) cgroups_hybrid ;;
-		legacy) cgroups_legacy ;;
-		unified) cgroups_unified ;;
-		esac
-	fi
-	return 0
-}
-
 restorecon_sys()
 {
 	if [ -x /sbin/restorecon ]; then
 		ebegin "Restoring SELinux contexts in /sys"
 		restorecon -F /sys/devices/system/cpu/online >/dev/null 2>&1
-		restorecon -rF /sys/fs/cgroup >/dev/null 2>&1
 		eend $?
 	fi
 }
@@ -231,7 +120,6 @@ start()
 {
 	mount_sys
 	mount_misc
-	mount_cgroups
 	restorecon_sys
 	return 0
 }