From 30cc3cdb76a66c7c0f89a52db4e5cff77b570e31 Mon Sep 17 00:00:00 2001
From: William Hubbs <w.d.hubbs@gmail.com>
Date: Sun, 23 Nov 2014 10:28:21 -0600
Subject: [PATCH] Make sysfs behave like netmount and localmount

sysfs now mounts all related sysfs file systems and returns success,
like netmount and localmount.

Also, we now check to make sure the cgroups are not mounted before we
mount them.

X-Gentoo-Bug: 530138
X-Gentoo-Bug-URL: https://bugs.gentoo.org/show_bug.cgi?id=530138
---
 init.d/sysfs.in | 21 +++++----------------
 1 file changed, 5 insertions(+), 16 deletions(-)

diff --git a/init.d/sysfs.in b/init.d/sysfs.in
index 67485c24..bc0d9d3d 100644
--- a/init.d/sysfs.in
+++ b/init.d/sysfs.in
@@ -113,7 +113,8 @@ mount_cgroups()
 	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/${name}
+			1)	mountinfo -q /sys/fs/cgroup/${name} && continue
+				mkdir /sys/fs/cgroup/${name}
 				mount -n -t cgroup -o ${sysfs_opts},${name} \
 					${name} /sys/fs/cgroup/${name}
 				;;
@@ -129,25 +130,13 @@ restorecon_sys()
 		restorecon -rF /sys/fs/cgroup >/dev/null 2>&1
 		eend $?
 	fi
-
-	return 0
 }
 
 start()
 {
-	local retval
 	mount_sys
-	retval=$?
-	if [ $retval -eq 0 ]; then
-		mount_misc
-		retval=$?
-	fi
-	if [ $retval -eq 0 ]; then
-		mount_cgroups
-		retval=$?
-	fi
-
+	mount_misc
+	mount_cgroups
 	restorecon_sys
-
-	return $retval
+	return 0
 }