linux-ext4 - Re: [Bug 9692] New: journal_data mount option causes filesystem corruption with blocksize != 4096

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Date:	Tue, 26 Feb 2008 13:48:52 -0800
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	bugme-daemon@...zilla.kernel.org, h.judt@....at
Subject: Re: [Bug 9692] New: journal_data mount option causes filesystem
 corruption with blocksize != 4096

On Sat, 5 Jan 2008 19:15:52 -0800 Andrew Morton <akpm@...ux-foundation.org> wrote:

> On Sat,  5 Jan 2008 09:52:15 -0800 (PST) bugme-daemon@...zilla.kernel.org wrote:
> 
> > http://bugzilla.kernel.org/show_bug.cgi?id=9692
> >
> >            Summary: journal_data mount option causes filesystem corruption
> >                     with blocksize != 4096
> >            Product: File System
> >            Version: 2.5
> >      KernelVersion: 2.6.23.9
> >           Platform: All
> >         OS/Version: Linux
> >               Tree: Mainline
> >             Status: NEW
> >           Severity: high
> >           Priority: P1
> >          Component: ext3
> >         AssignedTo: akpm@...l.org
> >         ReportedBy: h.judt@....at
> > 
> > 
> > Most recent kernel where this bug did not occur: -
> > Older kernels have this problem too (I think I noticed this booting >= 2.6.21,
> > definitely 2.6.22).
> 
> I'm getting the feeling that we should just disable data=journal.  Make it
> use data=ordered mode instead.  It isn't getting a lot of attention..
> 

As discussed today - this is the bug which makes me wonder how
useful/popular journalled-data mode is.

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