Re: [RFC 12/26] ext2 white-out support
From: Pavel Machek
Date: Thu Aug 02 2007 - 15:32:52 EST
Hi!
> > > I wouldn't bother with setting the directory type field to be DT_WHT,
> > > given that they will never be returned to userspace anyway.
> >
> > At the moment I still rely on this for the current readdir implementation.
> > Viro already said that he doesn't want to see this (the readdir changes) in
> > the kernel but in userspace.
>
> Life gets very messy if you have to do this in userspace. Example:
> statically linked programs that were compiled with a version of glibc
> that didn't know about whiteout records. Unfortunately, the memory
WEll, also if root deletes something, it should be _gone_, and user
should not be able to work around that just by bringing statically
linked ls..
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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