Re: [PATCH 2/2][RFC] Add dm-crypt target

[Jeff Garzik]

Christophe Saout wrote:
> Hi,
>
> this is the actual dm-crypt target. It uses cryptoapi to achive the same
> goal as cryptoloop.
>
> It uses mempools to ensure not to ever run out of memory and can split
> large IOs into smaller ones under memory pressure.
>
> Tested by some people, also works on a swap device.


I like this.   Nice and clean.

May I assume that this is -not- intended as a replacement for 
cryptoloop?  I hope so, as that would be my recommendation:  new driver, 
new on-disk format.

cryptoloop predates block layer stacking, and also support files, so I 
would prefer to emphasize their differences.  A replacement for 
cryptoloop means you must support cryptoloop's on-disk format.

	Jeff



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