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SubjectRe: Unionmount status?
On 13 April 2011 19:26, Ric Wheeler <> wrote:
> On 04/12/2011 05:36 PM, Michal Suchanek wrote:
>> On 12 April 2011 22:31, Ric Wheeler<>  wrote:
>>> On 04/12/2011 11:00 AM, Michal Suchanek wrote:
>>>> Hello,
>>>> as some already know the Unionmount VFS union which has been in
>>>> development for some years now is the only True Union (TM) that can be
>>>> accepted into the kernel mainline by the VFS maintainers (for reasons
>>>> of their own which you can surely find if you search the web or ask
>>>> them directly).
>>>> The current UnionMount version that can be found here:
>>>> works for me as good as aufs does. That is I can build a live CD using
>>>> this unioning solution and it boots and runs without any apparent
>>>> issues.
>>>> There are probably many possible uses of the union which I did not
>>>> test nor did I test long term stability of using the unioned
>>>> filesystem. As far as ephemeral live systems go it works fine for me,
>>>> though.
>>>> The issue is that while the code is (nearly) finished it is not yet
>>>> merged into mainline and as I am not familiar with the details of
>>>> ever-changing Linux VFS layer forward-porting this code to current
>>>> kernels is somewhat challenging.
>>>> What is the plan with unionmount now?
>>>> What is required  for it to be merged into mainline?
>>>> Thanks
>>>> Michal
>>> Hi Michal,
>>> People are actively looking to see what union mount (or overlayfs)
>>> solution
>>> to pursue. Val has shifted her focus away from kernel hacking these days,
>>> but did refresh her patch set in the last month or so.
>> I am not aware of such refreshed patch set, at least it is not
>> published in her repo.
> Val posted the refreshed patches with the title on March 22nd:

That article references the same four months old repo which I
mentioned at the start of the thread, only a slightly different

While it maybe useful for testing unionmount (which I already tried)
it is not a patch against current kernel which could be used to build
current live images.


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