Re: [Cooker] (RFC) Supermount 2

[Matthew D. Pitts]

Alan,

I suspect I'll hear from Juan on this. And I am going to look at your
code...

I realize it will be hard if I start from scratch. Since I was planning to
do it in 2.5.x it will be easier for me to learn how to avoid the problems
that plague the older versions.

Matthew
----- Original Message -----
From: Alan Cox <[e-mail]>
To: <[e-mail]>
Cc: <[e-mail]>; <[e-mail]>
Sent: Monday, March 25, 2002 8:05 AM
Subject: Re: [Cooker] (RFC) Supermount 2

> > > 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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