no post hooks for fopen

lib/filesystemview.php

@@ -317,9 +317,11 @@ class OC_FilesystemView {
 					$result=$storage->$operation($interalPath);
 				}
 				$result=OC_FileProxy::runPostProxies($operation,$path,$result);
-				foreach($hooks as $hook){
-					if($hook!='read'){
-						OC_Hook::emit( OC_Filesystem::CLASSNAME, 'post_'.$hook, array( OC_Filesystem::signal_param_path => $path));
+				if($operation!='fopen'){//no post hooks for fopen, the file stream is still open
+					foreach($hooks as $hook){
+						if($hook!='read'){
+							OC_Hook::emit( OC_Filesystem::CLASSNAME, 'post_'.$hook, array( OC_Filesystem::signal_param_path => $path));
+						}
 					}
 				}
 				return $result;