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Re: [Xen-devel] Looking for xen-blkback patch for 2.6.39 kernel

To: Iain Kay <spam@xxxxxxxxxxx>
Subject: Re: [Xen-devel] Looking for xen-blkback patch for 2.6.39 kernel
From: Pasi Kärkkäinen <pasik@xxxxxx>
Date: Fri, 3 Jun 2011 14:25:56 +0300
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On Fri, Jun 03, 2011 at 12:05:09PM +0100, Iain Kay wrote:
> Ian,
> Cheers for asking it forced me to re-look at git and I discovered a command 
> to list all the branches. Have since checked out 
> 'remotes/origin/stable/xen-blkback-v3.3' and seems to be doing the trick.
> This however contains the whole kernel rather than just a patch against 
> 2.6.39. I had envisaged the patch being a .patch file applied with the linux 
> patch utility but maybe I'm thinking of it all wrong. Would I be obtaining a 
> .patch file or would it be using git to create patches for use against kernel 
> upstream source?

Btw did you realize xen-blkback is already merged to upstream Linux v3.0-rc1 ?

-- Pasi

> Iain
> On 3 Jun 2011, at 11:48, Ian Campbell wrote:
> > On Fri, 2011-06-03 at 11:41 +0100, Iain Kay wrote:
> >> I came across a post archived at LKML relating to a patch for the
> >> 2.6.39 kernel bringing in xen-blkback driver. It was found here:
> >> https://lkml.org/lkml/2011/5/12/532
> >> 
> >> I'm guessing there was an attachment made somewhere with a patch that
> >> I can't find on textual archives and was wondering if anyone could
> >> point me in the right direction?
> >> 
> >> I have cloned the git tree but don't see any blkback module or any
> >> reference that would create it in the Makefiles... Have grepped
> >> through the files and I can see reference to xen-blkfront but nothing
> >> for xen-blkback...
> >> 
> >> Maybe I'm missing something but as far as I can see that git tree has
> >> nothing to allow support for the blkback driver.
> > 
> > Did you checkout the right branch (for-jens/xen-blkback-v3.2 in that
> > mail, there may be a newer one in the tree now though). A simple clone
> > will give you the default branch (probably named "master") which may not
> > necessarily have what you want merged into it.
> > 
> > Ian.
> > 
> > 
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