From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pat LaVarre Subject: udf.ko writes grokked most quickly how Date: 20 Nov 2003 09:53:11 -0700 Sender: linux-fsdevel-owner@vger.kernel.org Message-ID: <1069347191.7211.7.camel@patrh9> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from email-out1.iomega.com ([147.178.1.82]:54437 "EHLO email.iomega.com") by vger.kernel.org with ESMTP id S262153AbTKTQxj (ORCPT ); Thu, 20 Nov 2003 11:53:39 -0500 Received: from royntex01.iomegacorp.com (unknown [147.178.90.120]) by email.iomega.com (Postfix) with ESMTP id 2693F2465 for ; Thu, 20 Nov 2003 09:53:39 -0700 (MST) To: linux-fsdevel@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org Hi I'm now taking on the impossibly steep learning curve of explaining why udf.ko can't append nonzero to two or more files in round robin sequence. 1) I glance thru Documentation/filesystems/udf.txt 2) I start browsing http://lxr.linux.no/source/fs/udf/?v=2.6.0-test7 3) I notice udf_debug in super.c, I see we ship with that on by default via #define UDFFS_DEBUG in udf_fs.h. I conclude already in dmesg I have all available info, I will have to add my own printk's. 4) Maybe next I try grep write ... Please reply to direct me past all the usual newbie pitfalls. Pat LaVarre