BD_XFER_POLL
xi->i_flags = BD_XFER_POLL;
xi->i_flags = tg_cookie ? BD_XFER_POLL : 0;
xi->i_flags |= BD_XFER_POLL;
allocflag = (xfer->x_flags & BD_XFER_POLL) ? KM_NOSLEEP : KM_SLEEP;
poll = (xfer->x_flags & BD_XFER_POLL) != 0;
if (xfer->x_flags & BD_XFER_POLL) {
if (xfer->x_flags & BD_XFER_POLL) {
if (xfer->x_flags & BD_XFER_POLL)
boolean_t polled = (xfer->x_flags & BD_XFER_POLL) != 0;