From: Ted Ts'o Subject: Re: Bug In ext4 in kernels > 2.6.39 - Not mounting with arguments/options I specify in fstab on root remount Date: Sun, 9 Oct 2011 19:44:33 -0400 Message-ID: <20111009234433.GU7948@thunk.org> References: <4E6F1B49.3010803@gmail.com> <4E6F6D89.5040905@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Eric Sandeen , linux-ext4@vger.kernel.org To: Matt Parnell Return-path: Received: from li9-11.members.linode.com ([67.18.176.11]:45951 "EHLO test.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752024Ab1JIXoe (ORCPT ); Sun, 9 Oct 2011 19:44:34 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sun, Oct 09, 2011 at 05:10:54PM -0500, Matt Parnell wrote: > > /proc/mounts (as you can see it's not being remounted rw for some > reason - /dev/sdc1 is the flash drive I used to pipe this info onto): > > rootfs / rootfs rw 0 0 > /dev/root / ext4 ro,relatime,barrier=1 0 0 Can you send me the output of /proc/cmdline? It looks like the rootflags command line option isn't getting passed to the kernel for some reason. That would explain why data=writeback isn't showing up in /proc/mounts. - Ted