From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752699AbZHQSrd (ORCPT ); Mon, 17 Aug 2009 14:47:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752509AbZHQSrc (ORCPT ); Mon, 17 Aug 2009 14:47:32 -0400 Received: from relay8.uol.com.br ([187.17.116.6]:60672 "EHLO relay8.uol.com.br" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752327AbZHQSrc (ORCPT ); Mon, 17 Aug 2009 14:47:32 -0400 Date: Mon, 17 Aug 2009 15:45:37 -0300 From: =?utf-8?Q?Rog=C3=A9rio?= Brito To: Roman Zippel Cc: linux-kernel@vger.kernel.org Subject: [2.6.31-rc5] Data loss with hfsplus Message-ID: <20090817184537.GA15458@ime.usp.br> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit User-Agent: Mutt/1.5.20 (2009-06-14) X-SIG5: 5f75d087138dcce2c05e09ec6d76d978 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi. I am trying to package a new version of Apple's own fsck/mkfs for HFS+ filesystems so that they can be used in Linux as a way to transfer data among computers, but I had quite a surprise when I was using the hfsplus module. I just created a 100MB file with nulls (dd if=/dev/null ...) and I created an HFS+ filesystem on it. Then, I loop mounted it and tried to use it a little bit (in particular, applying patches with quilt on a source tree). The commands spit some errors about not being able to create links (I never had that problem before) and the directory where I was became empty! Furthermore, here is a quite, quite strange directory listing: ,---- | rbrito@chagas:/media/usb7$ ls -lAF | ls: hfsprogs_332.14-7.diff.gz: No such file or directory | ls: hfsprogs_332.14-7.dsc: No such file or directory | ls: hfsprogs_332.14.orig.tar.gz: No such file or directory | ls: hfsprogs_332.18-1.diff.gz: No such file or directory | ls: hfsprogs_332.18-1.dsc: No such file or directory | ls: hfsprogs_332.18-1_amd64.changes: No such file or directory | ls: hfsprogs_332.18-1_amd64.deb: No such file or directory | ls: hfsprogs_332.18.orig.tar.gz: No such file or directory | total 1636 | drwxr-xr-x 1 rbrito rbrito 39 Aug 17 08:13 hfsprogs-332.14/ | drwxr-xr-x 1 rbrito rbrito 45 Aug 17 15:30 hfsprogs-332.18/ | -rw-r--r-- 1 rbrito rbrito 35609 Aug 17 08:13 hfsprogs_332.14-7.diff.gz | -rw-r--r-- 1 rbrito rbrito 1193 Aug 17 08:13 hfsprogs_332.14-7.dsc | -rw-r--r-- 1 rbrito rbrito 714035 Aug 17 08:13 hfsprogs_332.14.orig.tar.gz | -rw-r--r-- 1 rbrito rbrito 35342 Aug 17 15:26 hfsprogs_332.18-1.diff.gz | -rw-r--r-- 1 rbrito rbrito 954 Aug 17 15:26 hfsprogs_332.18-1.dsc | -rw-r--r-- 1 rbrito rbrito 2148 Aug 17 15:26 hfsprogs_332.18-1_amd64.changes | -rw-r--r-- 1 rbrito rbrito 135398 Aug 17 15:26 hfsprogs_332.18-1_amd64.deb | -rw-r--r-- 1 rbrito rbrito 732449 Aug 17 08:35 hfsprogs_332.18.orig.tar.gz | rbrito@chagas:/media/usb7$ `---- I am using kernel 2.6.31-rc5-1rb.pre6 (that is, rc5 with git updates up to one or two days before rc6). There are no messages in the dmesg, besides these: ,---- | [30991.501804] loop: module loaded | [30991.513337] hfs: create hidden dir... | [39897.867830] hfs: create hidden dir... | [39960.061622] hfs: splitting index node... `---- No stack traces, no nothing. Oh, I still have the disk image that I created, if it is of any interest. Regards, Rogério Brito. -- Rogério Brito : rbrito@{mackenzie,ime.usp}.br : GPG key 1024D/7C2CAEB8 http://www.ime.usp.br/~rbrito : http://meusite.mackenzie.com.br/rbrito Projects: algorithms.berlios.de : lame.sf.net : vrms.alioth.debian.org