From: Klaus D. Wacker Date: Wed, 22 Aug 2007 11:51:39 +0000 (+0200) Subject: [S390] qdio: Refresh buffer states for IQDIO Asynchronous output queue X-Git-Tag: v2.6.23-rc4~93^2~6 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=37cd0a007f88f1d6269035bdb02b50f536cca8de;p=~emulex%2Finfiniband.git [S390] qdio: Refresh buffer states for IQDIO Asynchronous output queue 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 Signed-off-by: Martin Schwidefsky --- diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index badfb5b2130..d8d479876ec 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -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: