Handle user-input overrides better.

Author: uriel-guzman

deploy/overlays/profiles/storageclass.yaml

@@ -41,6 +41,7 @@ provisioner: gcsfuse.csi.storage.gke.io
 mountOptions:
   - profile:aiml-serving
   - read_ahead_kb=1024
+  - file-cache:max-size-mb:0
 parameters:
   anywhereCacheZones: "*"
   anywhereCacheAdmissionPolicy: "admit-on-first-miss"