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xen-devel
Re: [Xen-devel][PATCH]: Support dynamic resizing of vbds
On Monday 22 March 2010 10:23:41 Jan Beulich wrote:
> >>> "J. Roeleveld" <joost@xxxxxxxxxxxx> 22.03.10 10:15 >>>
> >
> >On Monday 22 March 2010 09:47:40 Jan Beulich wrote:
> >> Based on the location of the file patched, it this would seem to be
> >> targeted at the 2.6.18 tree, but then 2.6.18 does not have a
> >> revalidate_disk() function (introduced only in .28). What's the deal
> >> here? Should this perhaps be carried out by open coding in blkfront
> >> what .28 does?
> >>
> >> Thanks, Jan
> >
> >Hi Jan,
> >
> >These patches are based on the Suse Xen-kernel, which are based on the
> > 2.6.30 kernel (or in that range)
> >This patch applies cleanly to the xen-kernel for Gentoo which is based on
> >2.6.29.
>
> I understand that. But if the original patch has an issue, fixed by the
> subsequently submitted one, then 2.6.18 (and other pre-.28 forward
> ported kernels that would make use of the original patch) supposedly
> also suffers from it, and hence also would need a respective fix.
True, as this patch uses a function that wasn't introduced before 2.6.28, then
the patch would need to be applied to 2.6.28+ or one that has that function
back-ported.
> It is btw. not clear to me whether this second patch is supposed to
> address the problem you reported on March 16th, or whether that
> issue is still awaiting debugging/resolution.
This patch was issued to also address the issue I reported.
I have not yet managed to test the patch myself due to time-constraints.
Unless something else crops up, I should be able to test it tonight/tomorrow.
But I specify "this week" as I never know if anything else comes around till I
actually get home.
--
Joost
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