Commit e5fa443e authored Feb 19, 2008 by Ursula Braun Committed by Martin Schwidefsky Feb 19, 2008

[S390] qdio: FCP/SCSI write I/O stagnates on LPAR



If running on LPAR, qdio might overlook an incoming buffer in certain
scenarios. The patch makes sure that incoming buffers are detected
immediately in all situations.

Signed-off-by: Ursula Braun <braunu@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent d5b02b3f

drivers/s390/cio/qdio.c

+0 −3

Original line number	Original line	Diff line number	Diff line
	@@ -1215,9 +1215,6 @@ tiqdio_is_inbound_q_done(struct qdio_q *q)

	if (!no_used)		if (!no_used)
	return 1;		return 1;
	if (!q->siga_sync && !irq->is_qebsm)
	/* we'll check for more primed buffers in qeth_stop_polling */
	return 0;
	if (irq->is_qebsm) {		if (irq->is_qebsm) {
	count = 1;		count = 1;
	start_buf = q->first_to_check;		start_buf = q->first_to_check;