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Subject: Re: [Cooker] (RFC) Supermount 2
To: danny@mailmij.org
Date: Mon, 25 Mar 2002 13:05:57 +0000 (GMT)
Cc: cooker@linux-mandrake.com, linux-kernel@vger.kernel.org
In-Reply-To: <Pine.LNX.4.33.0203251316560.26580-100000@luna.ellen.dexterslabs.com> from "danny@mailmij.org" at Mar 25, 2002 01:21:02 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> > 3) Built-in support for packet-writing. ( i.e. insert packet-writing formatted disk and it loads appropriate kernel modules. )
> > 
> > There may be other features added if there is an interest in them. I will need assistance with the packet-writing support. I am only planning to do this for the 2.5.x and later kernels, so if anyone else wishes to back-port it to an older kerenl series, by all means do so. I have wanted to make some kind of contribution to this project for some time and I feel that this is something that will be useful.
> > 
> What about doing it in userspace? I remember seeing Alan Cox writing he 
> had a proof of concept of something like this on some ftp server (sorry, 
> cannot remember where).

http://ftp.linux.org.uk/pub/linux/alan - you want volumagic. Its a demo of
the theory (but quite usable).

Doing supermount in kernel is suprisingly hard, the locking and races you get
into are not nice at all - ask Juan about that
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