Re: Transparent compression in the FS

From: Jeff Garzik
Date: Thu Oct 16 2003 - 15:19:34 EST


Robert Love wrote:
On Thu, 2003-10-16 at 14:28, John Bradford wrote:


Surely it's just common sense to say that you have to verify the whole
block - any algorithm that can compress N values into <N values is
lossy by definition. A mathematical proof for that is easy.


That is the problem.

But those pushing this approach argue that the chance of collision is
less than the chance of hardware errors, et cetera.


Nod. And there are certainly ways to avoid hash collisions...

Jeff



-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/