Lines Matching refs:qhead
149 * dispatches freebs requests. Queues are put in the list specified by `qhead'
174 static struct queue *qhead;
1348 * Remove queue from qhead/qtail if it is enabled.
1361 if (qp->q_flag & QENAB && qhead != NULL) {
1367 RMQ(qp, qhead, qtail, q_link, q_chase, q_curr, removed);
1394 * Try to remove queues from qhead/qtail list.
1396 if (qhead != NULL) {
3724 while ((freebs_list == NULL) && (qhead == NULL)) {
3742 while (qhead != NULL) {
3743 DQ(q, qhead, qtail, q_link);
3749 ASSERT(qhead == NULL && qtail == NULL);
8237 * Append the queue to qhead/qtail list.
8239 if (qhead == NULL)
8240 qhead = q;
8382 * Help backup background thread to drain the qhead/qtail list.
8384 while (qhead != NULL) {
8387 DQ(q, qhead, qtail, q_link);