SFAS_NF_UNIT_BUSY
nexus->flags &= ~SFAS_NF_UNIT_BUSY;
nexus->flags &= ~SFAS_NF_UNIT_BUSY;
nexus->flags &= ~SFAS_NF_UNIT_BUSY;
(dev->sc_nexus[target].flags & SFAS_NF_UNIT_BUSY)) {
while(nexus->flags & SFAS_NF_UNIT_BUSY) {
nexus->flags |= SFAS_NF_UNIT_BUSY;
nexus->flags &= ~SFAS_NF_UNIT_BUSY;
SFAS_NF_UNIT_BUSY))
if (nexus->flags & SFAS_NF_UNIT_BUSY)
nexus->flags |= SFAS_NF_UNIT_BUSY;
nexus->flags &= SFAS_NF_UNIT_BUSY