On 09/09/2010 02:49 PM, Anthony Liguori wrote:
We should optimize for the future. That means a btrfs file system and/or enterprise storage.
So we should just implement a copy-on-read wrapper that generates a sparse raw image and uses FIEMAP (or whatever it is called these days) to test for the presence of extents. Then you let btrfs handle everything else...
Paolo
