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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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