tree 7d68bf2bfdda45d744bd036b7ce33226e26dc5c5
parent 9eadd64788243a50aa1736fdf8e48c689cefad39
author Darin Petkov <petkov@chromium.org> 1287427523 -0700
committer Darin Petkov <petkov@chromium.org> 1287427523 -0700

AU: Don't send no-op operations in the delta payload.

This reduces the payload a bit and also speeds up updates on the client by
reducing the I/O.

This CL also removes a somewhat broken check for written blocks. It seems that
the intent of the check was to make sure each block is updated with some data
but since some file data blocks may be used as scratch the check is somewhat
meaningless. The CL removes the check because some blocks may never be written
if they were a part of a no-op operation.

BUG=7543
TEST=unit tests, generated a no-op delta an installed on the device

Change-Id: I31f388651a45d10dd931389a6c80ac18cb10f466

Review URL: http://codereview.chromium.org/3785008