If NodeDisks are not empty do not impose cache maxSize restriction

pkg/donut/donut-v2.go

@@ -304,6 +304,7 @@ func (donut API) CreateObject(bucket, key, expectedMD5Sum string, size int64, da
 
 // createObject - PUT object to cache buffer
 func (donut API) createObject(bucket, key, contentType, expectedMD5Sum string, size int64, data io.Reader) (ObjectMetadata, error) {
+	if len(donut.config.NodeDiskMap) == 0 {
 		if size > int64(donut.config.MaxSize) {
 			generic := GenericObjectError{Bucket: bucket, Object: key}
 			return ObjectMetadata{}, iodine.New(EntityTooLarge{
@@ -312,6 +313,7 @@ func (donut API) createObject(bucket, key, contentType, expectedMD5Sum string, s
 				MaxSize:            strconv.FormatUint(donut.config.MaxSize, 10),
 			}, nil)
 		}
+	}
 	if !IsValidBucket(bucket) {
 		return ObjectMetadata{}, iodine.New(BucketNameInvalid{Bucket: bucket}, nil)
 	}