From: Christian Kujau Subject: Re: EXT4-fs (dm-1): Couldn't remount RDWR because of unprocessed orphan inode list Date: Mon, 12 Sep 2011 21:52:26 -0700 (PDT) Message-ID: References: <4E66478E.90102@redhat.com> <4E664DFD.80308@redhat.com> <20110908185139.GA2393@quack.suse.cz> <20110910200414.GA6709@quack.suse.cz> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Eric Sandeen , linux-ext4@vger.kernel.org, mszeredi@suse.cz, Al Viro To: Jan Kara Return-path: Received: from trent.utfs.org ([194.246.123.103]:56466 "EHLO trent.utfs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750829Ab1IMEw3 (ORCPT ); Tue, 13 Sep 2011 00:52:29 -0400 In-Reply-To: <20110910200414.GA6709@quack.suse.cz> Sender: linux-ext4-owner@vger.kernel.org List-ID: On Sat, 10 Sep 2011 at 22:04, Jan Kara wrote: > On Fri 09-09-11 18:11:26, Christian Kujau wrote: > > On Thu, 8 Sep 2011 at 20:51, Jan Kara wrote: > > > There's race where VFS remount code can race with unlink and result will > > > be unlinked file in orphan list on read-only filesystem. Christian seems to > > > be hitting this race. Miklos Szeredi has patches > > > (http://lkml.indiana.edu/hypermail/linux/kernel/1108.3/00169.html) to > > > mostly close this hole but they're waiting for Al to find time to look at > > > them / merge them AFAIK. > > > > While these patches are still pending review, are they "dangerous" to > > apply? If not, I'd like to volunteer as a tester :-) > As far as I saw them, they should be pretty safe. So feel free to test > them. I've applied them to -rc5. It might take a few days untile the message occurs. Or, until "nothing happens", since I have the patches applied :-) Meanwhile I'm trying to reproduce this issue on an x86 machine, but haven't succeeded yet. Thanks, Christian. -- BOFH excuse #133: It's not plugged in.