XCHK_NEED_DRAIN
return sc->flags & XCHK_NEED_DRAIN;
sc->flags |= XCHK_NEED_DRAIN;
if (error == -ECHRNG && !(sc->flags & XCHK_NEED_DRAIN))
if (error == -ECHRNG && !(sc->flags & XCHK_NEED_DRAIN))
sc->flags |= XCHK_NEED_DRAIN;
{ XCHK_NEED_DRAIN, "need_drain" }, \