rbd_is_ro
if (!rbd_is_snap(rbd_dev) && rbd_is_ro(rbd_dev))
if (rbd_is_ro(rbd_dev))
if (rbd_is_ro(rbd_dev)) {
if (rbd_is_ro(rbd_dev))
rbd_is_ro(rbd_dev), &header->features);
set_disk_ro(rbd_dev->disk, rbd_is_ro(rbd_dev));
if (!rbd_is_ro(rbd_dev))
bool need_watch = !rbd_is_ro(rbd_dev);