__ceph_auth_get_authorizer
ret = __ceph_auth_get_authorizer(ac, auth, CEPH_ENTITY_TYPE_MDS,
int __ceph_auth_get_authorizer(struct ceph_auth_client *ac,
EXPORT_SYMBOL(__ceph_auth_get_authorizer);
ret = __ceph_auth_get_authorizer(ac, auth, peer_type, true, &proto,
ret = __ceph_auth_get_authorizer(ac, auth, CEPH_ENTITY_TYPE_OSD,