linux-kernel - Re: [PATCH] reiserfs: fix handling of device names with /'s in them

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Date:	Mon, 17 Jul 2006 14:16:32 -0400
From:	Jeff Mahoney <jeffm@...e.com>
To:	Valdis.Kletnieks@...edu
Cc:	Hans Reiser <reiser@...esys.com>, 7eggert@....de,
	Eric Dumazet <dada1@...mosbay.com>,
	ReiserFS List <reiserfs-list@...esys.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH] reiserfs: fix handling of device names with /'s in them

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Valdis.Kletnieks@...edu wrote:
> On Sun, 16 Jul 2006 20:02:27 PDT, Hans Reiser said:
> 
>> Create a mountpoint which knows how to resolve a/b without using a
>> "directory".
> 
> And said mountpoint gets past the '/' interpretation in the VFS, how, exactly?
> 
> fs/namei.c, do_path_lookup() does magic on a '/' on about the 3rd line.
> So you're going to get handed 'a'.

That's where he started talking about how BSD gets namei() right by
allowing each file system to deal with it how it chooses.

Personally, I think it's insane. On occasion, I've started to port
ReiserFS to BSD-like systems, and I get so fed up with how you have to
reinvent the wheel for everything. There's something to be said for
replaceable-anything semantics, but personally I like the Linux model
and having an agreed-upon framework to work with.

I also think it's insane to come up with a reisermetafs to export procfs
information when a simple s#/#!# _on a single directory name_ will do
the job.

- -Jeff

- --
Jeff Mahoney
SUSE Labs
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