Commits
Guangliang Zhao committed 131fd9f6fc8
rbd: add ioctl for rbd When running the following commands: [root@ceph0 mnt]# blockdev --setro /dev/rbd1 [root@ceph0 mnt]# blockdev --getro /dev/rbd1 0 The block setro didn't take effect, it is because the rbd doesn't support ioctl of block driver. This resolves: http://tracker.ceph.com/issues/6265 Signed-off-by: Guangliang Zhao <guangliang@unitedstack.com> Reviewed-by: Alex Elder <elder@linaro.org> Reviewed-by: Josh Durgin <josh.durgin@inktank.com>