FLUSH_EXIT
if ((ump->softdep_flags & (FLUSH_CLEANUP | FLUSH_EXIT)) == 0)
if ((ump->softdep_flags & FLUSH_EXIT) == 0) {
ump->softdep_flags &= ~FLUSH_EXIT;
if ((ump->softdep_flags & (FLUSH_CLEANUP | FLUSH_EXIT)) == 0)
(FLUSH_CLEANUP | FLUSH_EXIT)) == 0)
ump->softdep_flags |= FLUSH_EXIT;
while ((ump->softdep_flags & FLUSH_EXIT) != 0) {
KASSERT((ump->softdep_flags & FLUSH_EXIT) == 0,