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[S390] qdio: Refresh buffer states for IQDIO Asynchronous output queue

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Hipersocket Multicast queue works asynchronously. When sending buffers,
the buffer state change may happen delayed. The tasklet for checking
changes in the outbound queue excluded IQDIO async queues from this
process. This created either a hang situation when the queue ran full,
or presented a hang situation a interface close time.
The tasklet processing is changed to include IQDIO async queues when
requesting buffer state refresh.

Signed-off-by: Klaus D. Wacker <kdwacker@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Klaus D. Wacker 2007-08-22 13:51:39 +02:00 committed by Martin Schwidefsky
parent f276730f8d
commit 37cd0a007f
1 changed files with 2 additions and 1 deletions
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drivers/s390/cio/qdio.c
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@ -742,7 +742,8 @@ qdio_get_outbound_buffer_frontier(struct qdio_q *q)
first_not_to_check=f+qdio_min(atomic_read(&q->number_of_buffers_used),
(QDIO_MAX_BUFFERS_PER_Q-1));
if ((!q->is_iqdio_q)&&(!q->hydra_gives_outbound_pcis))
if (((!q->is_iqdio_q) && (!q->hydra_gives_outbound_pcis)) ||
(q->queue_type == QDIO_IQDIO_QFMT_ASYNCH))
SYNC_MEMORY;
check_next: