tests: Fix sysfs test

For the sysfs test to be useful, we need /sys/devices/system/cpu/ to
actually be mounted.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>

diff --git a/tests/test_sysfs.in b/tests/test_sysfs.in
index 6fd1ba9921ed903b3a87ad3f106ea19012f1e238..4ef051da3ce5fc951b652741a4f218f19a9ffba8 100755 (executable)
--- a/tests/test_sysfs.in
+++ b/tests/test_sysfs.in
@@ -21,8 +21,11 @@ fi
 
 echo "==> Setting up memory/cpuset cgroup in lxcfs_test_proc"
 [ ! -d /sys/devices/system/cpu ] && exit 0
+mount -o bind "${LXCFSDIR}/sys/devices/system/cpu" "/sys/devices/system/cpu"
 num_cpus="$(getconf _NPROCESSORS_CONF)"
+umount -l "/sys/devices/system/cpu"
+
 echo "Detected ${num_cpus} cpus"
-[ "${num_cpus}" != "0" ] 
+[ "${num_cpus}" != "0" ]
 
 PASS=1