Re: [Cooker] (RFC) Supermount 2

[Alan Cox]

> > 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