Subject: Re: Union mount problem?
To: None <current-users@NetBSD.ORG>
From: Christos Zoulas <>
List: current-users
Date: 10/26/1995 17:03:11
In article <> (Rolf Grossmann) writes:
>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...