I've written a tool to zero freed blocks in ext2/ext3 filesystems, as well as a (half-baked) kernel patch. Details here: http://intgat.tigress.co.uk/rmy/uml/sparsify.html Ron -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html