softdep_flushtd
wakeup(&ump->softdep_flushtd);
msleep(&ump->softdep_flushtd, LOCK_PTR(ump), PVM,
wakeup(&ump->softdep_flushtd);
wakeup(&altump->softdep_flushtd);
&ump->softdep_flushtd, 0, 0, "softdepflush", "%s worker",
msleep(&ump->softdep_flushtd, LOCK_PTR(ump), PVM, "sdstart",
if (ump->softdep_flushtd != NULL) {
wakeup(&ump->softdep_flushtd);
mp->mnt_susp_owner = ump->softdep_flushtd;