Comment 6 for bug 1818504

Reviewed: https://review.openstack.org/641414
Committed: https://git.openstack.org/cgit/openstack/cinder/commit/?id=ade7d89c2e9eb317f93c128a0b7bf09fd945c960
Submitter: Zuul
Branch: master

commit ade7d89c2e9eb317f93c128a0b7bf09fd945c960
Author: Eric Harney <email address hidden>
Date: Wed Mar 6 10:07:16 2019 -0500

    Revert "Remove truncate from rootwrap filters"

    This reverts commit a62c9dfdd41ab0be8bedd99ca39b82701d73ef4f.

    This did not account for cases where truncate is
    called w/o elevated privileges.

    Related-Bug: #1818504
    Change-Id: I3cb85be854e68fda525cfebe254ce7c85d8e3d37