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Subject[patch 13/13] qdio: FCP/SCSI write I/O stagnates on LPAR
From: Ursula Braun <braunu@de.ibm.com>

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>
---
drivers/s390/cio/qdio.c | 3 ---
1 file changed, 3 deletions(-)
Index: quilt-2.6/drivers/s390/cio/qdio.c
===================================================================
--- quilt-2.6.orig/drivers/s390/cio/qdio.c
+++ quilt-2.6/drivers/s390/cio/qdio.c
@@ -1215,9 +1215,6 @@ tiqdio_is_inbound_q_done(struct qdio_q *

if (!no_used)
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) {
count = 1;
start_buf = q->first_to_check;
--
blue skies,
Martin.

"Reality continues to ruin my life." - Calvin.



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