linux-kernel - Re: [ 094/127] md: make sure metadata is updated when spares are activated or removed.

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Date:	Tue, 2 Oct 2012 09:09:23 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	NeilBrown <neilb@...e.de>
Cc:	Ben Hutchings <ben@...adent.org.uk>, linux-kernel@...r.kernel.org,
	stable@...r.kernel.org, alan@...rguk.ukuu.org.uk
Subject: Re: [ 094/127] md: make sure metadata is updated when spares are
 activated or removed.

On Tue, Oct 02, 2012 at 12:52:00PM +1000, NeilBrown wrote:
> On Fri, 28 Sep 2012 16:57:45 -0700 Greg Kroah-Hartman
> <gregkh@...uxfoundation.org> wrote:
> 
> > On Sat, Sep 29, 2012 at 12:51:04AM +0200, Ben Hutchings wrote:
> > > On Fri, 2012-09-28 at 13:34 -0700, Greg Kroah-Hartman wrote:
> > > > 3.0-stable review patch.  If anyone has any objections, please let me know.
> > > > 
> > > > ------------------
> > > > 
> > > > From: NeilBrown <neilb@...e.de>
> > > > 
> > > > commit 6dafab6b1383e912cd252fa809570b484eb6e0dc upstream.
> > > [...]
> > > > This is suitable for -stable as out-of-data metadata could lead
> > > > to data corruption.
> > > > This is only relevant for 3.3 and later 9when 'replacement' as
> > > > introduced.
> > > [...]
> > > 
> > > Assuming Neil hasn't changed his mind about this, it should therefore
> > > not be applied to 3.0.
> > 
> > Neil, is this true?
> > 
> > greg k-h
> 
> Yes it is true - my bad.
> 
> I should have realised that when you pointed out that the backport wasn't
> clean.
> The patch won't hurt 3.0, but it isn't necessary at all, so best leave it out.

Thanks for letting us know, I've now dropped this.

greg k-h
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