linux-kernel - Re: Versioning file system

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Message-ID: <Pine.LNX.4.64.0706181406250.25913@blackbox.fnordora.org>
Date:	Mon, 18 Jun 2007 14:08:03 -0700 (PDT)
From:	alan <alan@...eserver.org>
To:	Bodo Eggert <7eggert@....de>
cc:	Theodore Tso <tytso@....edu>,
	Jörn Engel <joern@...fs.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Jack Stone <jack@...keye.stone.uk.eu.org>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	akpm@...ux-foundation.org, viro@...iv.linux.org.uk
Subject: Re: Versioning file system

On Mon, 18 Jun 2007, Bodo Eggert wrote:

> alan <alan@...eserver.org> wrote:
>
>> I just wish that people would learn from the mistakes of others.  The
>> MacOS is a prime example of why you do not want to use a forked
>> filesystem, yet some people still seem to think it is a good idea.
>> (Forked filesystems tend to be fragile and do not play well with
>> non-forked filesystems.)
>
> What's the conceptual difference between forks and extended user attributes?

Forks tend to contain more than just extended attributes.  They contain 
all sorts of other meta-data including icons, descriptions, author 
information, copyright data, and whatever else can be shoveled into them 
by the author/user.

-- 
"ANSI C says access to the padding fields of a struct is undefined.
ANSI C also says that struct assignment is a memcpy. Therefore struct
assignment in ANSI C is a violation of ANSI C..."
                                   - Alan Cox
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