stop_thread
if( threadset[i].busy ) stop_thread(&threadset[i]);
stop_thread(&threadset[i]);
pwp->io_intr_coal.stop_thread = B_TRUE;
while (ici->stop_thread == B_FALSE) {
while (ici->stop_thread == B_FALSE) {
if (ici->stop_thread == B_TRUE) {
boolean_t stop_thread;