CEPH_MOUNT_OPT_ASYNC_DIROPS
if (opt->flags & CEPH_MOUNT_OPT_ASYNC_DIROPS)
if (fsopt->flags & CEPH_MOUNT_OPT_ASYNC_DIROPS)
fsopt->flags &= ~CEPH_MOUNT_OPT_ASYNC_DIROPS;
fsopt->flags |= CEPH_MOUNT_OPT_ASYNC_DIROPS;
if (!(fsopt->flags & CEPH_MOUNT_OPT_ASYNC_DIROPS))
CEPH_MOUNT_OPT_ASYNC_DIROPS)