Re: [Cooker] (RFC) Supermount 2

Alan Cox (
Mon, 25 Mar 2002 13:05:57 +0000 (GMT)

> > 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). - 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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