[linux-lvm] where do i find the device mapper/LVM2 documentation?
thornber at sistina.com
Fri May 30 02:49:01 UTC 2003
On Fri, May 30, 2003 at 12:02:39AM +0200, jon+lvm at silicide.dk wrote:
> i am planning to write my own targets as a graduate project.
> My idea was encryption and possibly compression as well.
> (is anyone else doing any of these targets?)
This is an idea that quite a few people have come up with, but as far
as I know nobody is following up on it. I'd suggest you start with
the encryption target, I think that's slightly easier since you can
arrange for the encrypted data to be the same size as clear. You
should then use the end_io() method to catch the buffer_heads after
they've read the encrypted data and decrypt it there. The dm side
should be very simple, yell if you have any questions.
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