56e7cf8df0
This adds support for reopen in rbd, for changing between r/w and r/o. Note, that this is only a flag change, but we will block a change from r/o to r/w if we are using an RBD internal snapshot. Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Jeff Cody <jcody@redhat.com> Reviewed-by: John Snow <jsnow@redhat.com> Message-id: d4e87539167ec6527d44c97b164eabcccf96e4f3.1491597120.git.jcody@redhat.com