On Fri, Jun 29, 2007 at 03:39:39PM +0200, Dieter Baron wrote:
> 2) Let the vnconfig parse the image file and pass a hunk descriptor
>    list to the kernel, like the following:
> 	first block in hunk
> 	number of blocks in hunk
> 	offset in file for hunk data
> 	compression method (none, zero-fill, zlib, bzip2, ...)

How many hunks would a typical image have?

Your method #3 sounds pretty attractive, as it will allow new compression
methods to be added easily. I'm not sure it would be significantly slower.

Martin