Re: union mount status

[Daniel Lezcano]

Jan Blunck wrote:
> On Wed, Oct 15, Daniel Lezcano wrote:
>
> > Hi all,
> >
> > What is the status of this patchset ?
> > Bharata Rao told me, no consensus was reached yet.
> > After looking at Jan Blunk's ftp server, it looks like the latest 
> > patchset was for 2.6.25-mm1. Is anyone working on this patchset right now ?
>
> Not that I know of.
>
> The state is as follows: we (David Woodhouse, Bharata Rao, Erez Zadok and me)
> agreed on a more or less final version of the whiteout patches. I haven't
> posted them yet since I know that Al Viro isn't convinced of the idea that
> they are actaully necessary. 

The union mount could *very* interesting for the containers (aka 
namespaces). If you create a container, you can share the same rootfs 
between  the different containers and make a COW for each container 
writing on its own filesystem, no ? Using together the mount namespaces, 
the union mount and the ro bind mount, can be very powerful IMHO.

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