this should be done elsewhere if needed

lib/files/cache/cache.php

@@ -152,7 +152,7 @@ class Cache {
 	 * get the id of the parent folder of a file
 	 *
 	 * @param \OC\Files\File $file
-	 * return int
+	 * @return int
 	 */
 	static public function getParentId(\OC\Files\File $file) {
 		$path = $file->getInternalPath();

lib/files/cache/scanner.php

@@ -23,7 +23,6 @@ class Scanner {
 		$storage = $file->getStorage();
 		$path = $file->getInternalPath();
 		if (!$storage->isReadable($path)) return null; //cant read, nothing we can do
-		clearstatcache();
 		$data['mimetype'] = $storage->getMimeType($path);
 		$data['mtime'] = $storage->filemtime($path);
 		if ($data['mimetype'] == 'httpd/unix-directory') {