Re: [Stable-review] [166/197] md/raid5: allow for more than 2^31chunks.

From: Greg KH
Date: Thu Apr 22 2010 - 23:30:18 EST


On Thu, Apr 22, 2010 at 05:58:47PM -0700, Linus Torvalds wrote:
>
>
> On Thu, 22 Apr 2010, Chuck Ebbert wrote:
>
> > On Thu, 22 Apr 2010 12:10:17 -0700
> > Greg KH <gregkh@xxxxxxx> wrote:
> >
> > > 2.6.32-stable review patch. If anyone has any objections, please let
> > > us know.
> > >
> > > ------------------
> > >
> > > From: NeilBrown <neilb@xxxxxxx>
> > >
> > > commit 35f2a591192d0a5d9f7fc696869c76f0b8e49c3d upstream.
> > >
> > > With many large drives and small chunk sizes it is possible
> > > to create a RAID5 with more than 2^31 chunks. Make sure this
> > > works.
> >
> > Causes build failure on i686:
> > ERROR: "__umoddi3" [drivers/md/raid456.ko] undefined!
> >
> > http://lkml.org/lkml/2010/4/22/50
>
> Yeah, that one is definitely not stable material as-is.

Neil did post a patch to fix it, hopefully it gets into your tree soon.

thanks,

greg k-h
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