tree 710b8980f1f4ae37bb654604986d3b3a7dfaa13f
parent 02c4942cbf76441dfdc7412e5b5ae0402b313e80
author Sen Jiang <senj@google.com> 1509672956 -0700
committer Treehugger Robot <treehugger-gerrit@google.com> 1509761313 +0000

Make sure loop device isn't read only.

In some cases the loop device is read only by default, if we want to
write to it, we should set BLKROSET to 0, otherwise mounting will fail
with permission deny.

Bug: 68805558
Test: update_engine_unittests pass
Change-Id: If5eb7aa2dc97858bfb03aac2ceb5c01e055fe06f
(cherry picked from commit 2532da227e2a9313e95352bb47294a5f2ec0b7e0)