plugins: made class methods from get_config_options* methods

They were intended to be class methods and that's why there
were defined with the 'cls' parameter, but they actually
weren't class methods.

Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>

tuned/plugins/base.py

@@ -43,10 +43,12 @@ class Plugin(object):
 	# Plugin configuration manipulation and helpers.
 	#
 
+	@classmethod
 	def _get_config_options(self):
 		"""Default configuration options for the plugin."""
 		return {}
 
+	@classmethod
 	def _get_config_options_used_by_dynamic(self):
 		"""List of config options used by dynamic tuning. Their previous values will be automatically saved and restored."""
 		return []

tuned/plugins/plugin_audio.py

@@ -42,6 +42,7 @@ class AudioPlugin(base.Plugin):
 		except:
 			return None
 
+	@classmethod
 	def _get_config_options(cls):
 		return {
 			"timeout":          0,

tuned/plugins/plugin_bootloader.py

@@ -32,6 +32,7 @@ class BootloaderPlugin(base.Plugin):
 	def _instance_cleanup(self, instance):
 		pass
 
+	@classmethod
 	def _get_config_options(cls):
 		return {
 			"grub2_cfg_file": None,

tuned/plugins/plugin_cpu.py

@@ -37,6 +37,7 @@ class CPULatencyPlugin(base.Plugin):
 		self._assigned_devices = set()
 		self._free_devices = self._devices.copy()
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"load_threshold"      : 0.2,

tuned/plugins/plugin_disk.py

@@ -59,6 +59,7 @@ class DiskPlugin(hotplug.Plugin):
 			instance._load_monitor.remove_device(device_name)
 		super(self.__class__, self)._removed_device_unapply_tuning(instance, device_name)
 
+	@classmethod
 	def _get_config_options(cls):
 		return {
 			"dynamic"            : True, # FIXME: do we want this default?
@@ -71,6 +72,7 @@ class DiskPlugin(hotplug.Plugin):
 			"scheduler_quantum"  : None,
 		}
 
+	@classmethod
 	def _get_config_options_used_by_dynamic(cls):
 		return [
 			"apm",

tuned/plugins/plugin_eeepc_she.py

@@ -20,6 +20,7 @@ class EeePCSHEPlugin(base.Plugin):
 			raise exceptions.NotSupportedPluginException("Plugin is not supported on your hardware.")
 		super(self.__class__, self).__init__(*args, **kwargs)
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"load_threshold_normal"    : 0.6,

tuned/plugins/plugin_mounts.py

@@ -53,6 +53,7 @@ class MountsPlugin(base.Plugin):
 		self._assigned_devices = set()
 		self._free_devices = self._devices.copy()
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"disable_barriers": None,

tuned/plugins/plugin_net.py

@@ -74,6 +74,7 @@ class NetTuningPlugin(base.Plugin):
 		log.debug("%s load: read %0.2f, write %0.2f" % (device, stats["read"], stats["write"]))
 		log.debug("%s idle: read %d, write %d, level %d" % (device, idle["read"], idle["write"], idle["level"]))
 
+	@classmethod
 	def _get_config_options(cls):
 		return {
 			"wake_on_lan": None,

tuned/plugins/plugin_script.py

@@ -11,6 +11,7 @@ class ScriptPlugin(base.Plugin):
 	Plugin for running custom scripts with profile activation and deactivation.
 	"""
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"script" : None,

tuned/plugins/plugin_selinux.py

@@ -28,6 +28,7 @@ class SelinuxPlugin(base.Plugin):
 		self._cache_threshold_path = os.path.join(self._selinux_path, "avc", "cache_threshold")
 		super(self.__class__, self).__init__(*args, **kwargs)
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"avc_cache_threshold" : None,

tuned/plugins/plugin_usb.py

@@ -21,6 +21,7 @@ class USBPlugin(base.Plugin):
 		self._free_devices = self._devices.copy()
 		self._cmd = commands()
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"autosuspend" : None,

tuned/plugins/plugin_video.py

@@ -22,6 +22,7 @@ class VideoPlugin(base.Plugin):
 		self._free_devices = self._devices.copy()
 		self._cmd = commands()
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"radeon_powersave" : None,

tuned/plugins/plugin_vm.py

@@ -15,6 +15,7 @@ class VMPlugin(base.Plugin):
 	Plugin for tuning memory management.
 	"""
 
+	@classmethod
 	def _get_config_options(self):
 		return {
 			"transparent_hugepages" : None,