dotcloud/docker — pull request #4777 by vbatts (2014-03-19 18:36:36+00:00)
Title: images: assurance and debug info on image layers

when pushing or saving layers, report sizes for validation. And ensure
that the files written are sync'ed.

Docker-DCO-1.1-Signed-off-by: Vincent Batts (github: vbatts)