disk monitor: check supported devices by vendor

tuned/monitors/monitor_disk.py

@@ -3,6 +3,9 @@ import tuned.monitors.interface
 import os
 
 class DiskMonitor(tuned.monitors.interface.MonitorInterface):
+
+	_supported_vendors = ["ATA", "SCSI"]
+
 	@classmethod
 	def _init_available_devices(cls):
 		block_devices = os.listdir("/sys/block")
@@ -11,15 +14,20 @@ class DiskMonitor(tuned.monitors.interface.MonitorInterface):
 
 	@classmethod
 	def _is_device_supported(cls, device):
-		capability_name = "/sys/block/%s/capability" % device
-		capability = (int) (open(capability_name).read())
+		vendor_file = "/sys/block/%s/device/vendor" % device
+		try:
+			vendor = open(vendor_file).read().strip()
+		except IOError:
+			return False
 
-		# FIXME: not sure about this
-		# !GENHD_FL_REMOVABLE && !GENHD_FL_CD
-		return (capability & 9) == 0
+		return vendor in cls._supported_vendors
 
 	@classmethod
 	def update(cls):
 		for device in cls._updating_devices:
 			# TODO
 			cls._load[device] = None
+
+	@classmethod
+	def _update_disk(cls, name):
+		pass