RD_MSGDIS
if (stp->sd_read_opt & RD_MSGDIS) {
(stp->sd_read_opt & (RD_MSGDIS|RD_MSGNODIS))) {
stp->sd_read_opt &= ~(RD_MSGDIS | RD_MSGNODIS);
RD_MSGDIS);
((stp->sd_read_opt & ~RD_MSGDIS) |
stp->sd_read_opt &= ~(RD_MSGDIS | RD_MSGNODIS);
RD_MSGDIS;
stp->sd_read_opt = (stp->sd_read_opt & ~RD_MSGDIS) |
rdopt = ((stp->sd_read_opt & RD_MSGDIS) ? RMSGD :