commit f69065c07bb2eccc88499ba34429f62f707e19b8
author Gilad Arnold <garnold@chromium.org> Mon May 27 16:54:59 2013 -0700
committer ChromeBot <chrome-bot@google.com> Mon Jun 03 14:31:57 2013 -0700
tree 69f555cced23e268843fe855af2793850049f22a
parent e5fdf189ce3a4628f02a0bd5e09694bf7b815cdf

paycheck/applier: stop using fallocate

It appears that fallocate is not supported on certain filesystems (e.g.
failing on paygen genati instances). It also appears that we can do just
fine without it when applying a full update, without significant impact
on performance.  In the interest of making the update_payload library
more portable, we therefore drop the fallocate call and replace it with
a simple create/truncate code (all Python standard lib calls).

BUG=chromium:244091
TEST=Integration tests

Change-Id: I57f7dec19e8131050c1d56d891e486714d4f7128
Reviewed-on: https://gerrit.chromium.org/gerrit/56762
Tested-by: Gilad Arnold <garnold@chromium.org>
Reviewed-by: Matt Tennant <mtennant@chromium.org>
Commit-Queue: Gilad Arnold <garnold@chromium.org>