Re: [Xen-devel] ext4 support on pvgrub

[Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>]

On Tue, 12 Oct 2010, M A Young wrote:
> 
> 
> On Tue, 12 Oct 2010, Jeremy Fitzhardinge wrote:
> 
> >
> > On 10/07/2010 02:48 PM, M A Young wrote:
> >> I have this working on Fedora. It turned out to be very easy to add
> >> this as I simply took the grub-ext4-support.patch from the Fedora grub
> >> package and put it in xen-4.0.1/stubdom/grub.patches/ . Using pvgrub
> >> (without a vif on the virtual machine as I was having problems if I
> >> did give it a network interface) I could read and boot from ext4
> >> partition with this patch but not without it.
> >>
> >> Is this a good way to add this feature to xen more generally?
> >
> > Sounds like it just needs to be committed.  Post the patch?
> 
> I am attaching both the raw patch (taken from grub-0.97-66.fc14, it 
> traces back to the attachment at
> https://bugzilla.redhat.com/show_bug.cgi?id=486284#c7 with only spelling 
> fixes) and also one that could be applied to the xen source. 
> Use whichever is more convenient or you can fetch it directly from the 
> Fedora source repository at
> http://pkgs.fedoraproject.org/gitweb/?p=grub.git;a=blob_plain;f=grub-ext4-support.patch;hb=3bcdb10fc21d8e94efa70fd91d21224f13f01433
> 

I tried out the patch but even though it doesn't introduce any
regressions it doesn't seem to be able to handle an ext4 partition I
made for testing purposes.

Can anybody else confirm that it actually works?


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