In article <95Oct26.124412+0100_met.116244+416@papa.informatik.tu-muenchen.de> grossman@informatik.tu-muenchen.de (Rolf Grossmann) writes:
>Hi,
>
>on Thu, 26 Oct 1995 10:11:25 +0000 (GMT) David Brownlee wrote 
>concerning "Re: Union mount problem?" something like this:
>
>> 	Is the upper layer a 4.4 filesystem?
>> 	4.2 & 4.3 filesystems do not support whiteouts, which unionfs needs.
>
>What I don't understand is, why does the upper layer *need* to support
>whiteouts in order to be mounted rw? If it doesn't you can't create
>whiteouts, fine, but you can still alter files in the lower layer or
>write new ones.
>
>I have removed this limitation in my private kernel sources (just a small
>patch) and it works fine for me. Maybe I should send-pr this?
>
>Bye, Rolf

I'd like that... Then I can use union mounts with nfs...

christos