linux-ext4 - Re: EXT4-fs (dm-1): Couldn't remount RDWR because of unprocessed orphan inode list

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Message-ID: <alpine.DEB.2.01.1109122150060.9183@trent.utfs.org>
Date:	Mon, 12 Sep 2011 21:52:26 -0700 (PDT)
From:	Christian Kujau <lists@...dbynature.de>
To:	Jan Kara <jack@...e.cz>
cc:	Eric Sandeen <sandeen@...hat.com>, linux-ext4@...r.kernel.org,
	mszeredi@...e.cz, Al Viro <viro@...IV.linux.org.uk>
Subject: Re: EXT4-fs (dm-1): Couldn't remount RDWR because of unprocessed
 orphan inode list

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.
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