linux-kernel - Re: [RFC PATCH] file as directory

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Message-ID: <20070523124013.GV4095@ftp.linux.org.uk>
Date:	Wed, 23 May 2007 13:40:13 +0100
From:	Al Viro <viro@....linux.org.uk>
To:	Trond Myklebust <trond.myklebust@....uio.no>
Cc:	Miklos Szeredi <miklos@...redi.hu>, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, akpm@...ux-foundation.org,
	torvalds@...ux-foundation.org
Subject: Re: [RFC PATCH] file as directory

On Wed, May 23, 2007 at 08:34:42AM -0400, Trond Myklebust wrote:
> On Wed, 2007-05-23 at 08:36 +0100, Al Viro wrote:
> > On Wed, May 23, 2007 at 09:19:17AM +0200, Miklos Szeredi wrote:
> > > > Eh...  Arbitrary limitations are fun, aren't they?
> > > 
> > > But these mounts _are_ special.  There is really no point in moving or
> > > pivoting them.
> > 
> > pivoting - probably true, moving... why not?
> 
> Moving would be an implementation artefact that doesn't really
> correspond to any useful operation on the filesyst
> 
> AFAIK, most filesystems that have implemented subfiles (excepting
> Reiser4 of course) do not allow you to rename or move the subfile
> directory or its contents from one parent file to another.

If that's about xattr and nothing else, colour me thoroughly uninterested.
If it might have other interesting uses, OTOH...
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