On Fri, Feb 20, 2015 at 05:44:01PM +0900, Akira Hayakawa wrote: > I will wait for ack from dm maintainers. Are you still copying the contents of every bio to your own memory buffer before writing it to disk? - Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel