NetApp:iSCSI drivers reserved percent need to change to 0.

The iscsi drivers reserved percent is 100 as of now. This needs
to be changed to 0 for default values. It needs to be corrected
so that filter scheduler does not discard netapp backend.

bug 1182015

Change-Id: Id80584e5d478c83de97735706994206e024f8bf6
(cherry picked from commit 5a8ead7)

cinder/volume/drivers/netapp/iscsi.py

@@ -1490,7 +1490,7 @@ def _update_volume_status(self):
 
         data['total_capacity_gb'] = 'infinite'
         data['free_capacity_gb'] = 'infinite'
-        data['reserved_percentage'] = 100
+        data['reserved_percentage'] = 0
         data['QoS_support'] = False
         self._stats = data
 
@@ -2255,7 +2255,7 @@ def _update_volume_status(self):
 
         data['total_capacity_gb'] = 'infinite'
         data['free_capacity_gb'] = 'infinite'
-        data['reserved_percentage'] = 100
+        data['reserved_percentage'] = 0
         data['QoS_support'] = False
         self._stats = data
 
@@ -2540,6 +2540,6 @@ def _update_volume_status(self):
 
         data['total_capacity_gb'] = 'infinite'
         data['free_capacity_gb'] = 'infinite'
-        data['reserved_percentage'] = 100
+        data['reserved_percentage'] = 0
         data['QoS_support'] = False
         self._stats = data