QTF_CLOSING
if (dqvp == NULLVP || (ump->umq1_qflags[type] & QTF_CLOSING)) {
while ((ump->umq1_qflags[type] & (QTF_CLOSING | QTF_OPENING)) != 0)
while ((ump->umq1_qflags[type] & (QTF_CLOSING | QTF_OPENING)) != 0)
ump->umq1_qflags[type] |= QTF_CLOSING;
ump->umq1_qflags[type] &= ~QTF_CLOSING;
if (dqvp == NULLVP || (ump->umq1_qflags[type] & QTF_CLOSING)) {
while ((ump->umq1_qflags[type] & (QTF_CLOSING | QTF_OPENING)) != 0)
while ((ump->umq1_qflags[type] & (QTF_CLOSING | QTF_OPENING)) != 0)
ump->umq1_qflags[type] |= QTF_CLOSING;
ump->umq1_qflags[type] &= ~QTF_CLOSING;