Copy protection

[Mike McCormack]

Tim Schmidt wrote:

> It sounds like a general framework for routing these kind of raw disk
> i/o would be useful...  probably configurable by app would be most
> useful.

UML has a COW (copy-on-write) layer [1].  If we had something like this, 
conceivable we could allow Wine to read raw disks (or the COW file), 
then write back to the COW file.

It would be even nicer if the Linux kernel supported that in a general 
way...

Mike


[1] http://user-mode-linux.sourceforge.net/UserModeLinux-HOWTO-7.html