diff options
Diffstat (limited to 'drivers/s390/scsi/zfcp_qdio.c')
| -rw-r--r-- | drivers/s390/scsi/zfcp_qdio.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c index 28117e130e2..6fa5e045317 100644 --- a/drivers/s390/scsi/zfcp_qdio.c +++ b/drivers/s390/scsi/zfcp_qdio.c @@ -251,7 +251,8 @@ static int zfcp_qdio_sbal_check(struct zfcp_qdio *qdio) struct zfcp_qdio_queue *req_q = &qdio->req_q; spin_lock_bh(&qdio->req_q_lock); - if (atomic_read(&req_q->count)) + if (atomic_read(&req_q->count) || + !(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) return 1; spin_unlock_bh(&qdio->req_q_lock); return 0; @@ -274,8 +275,13 @@ int zfcp_qdio_sbal_get(struct zfcp_qdio *qdio) spin_unlock_bh(&qdio->req_q_lock); ret = wait_event_interruptible_timeout(qdio->req_q_wq, zfcp_qdio_sbal_check(qdio), 5 * HZ); + + if (!(atomic_read(&qdio->adapter->status) & ZFCP_STATUS_ADAPTER_QDIOUP)) + return -EIO; + if (ret > 0) return 0; + if (!ret) { atomic_inc(&qdio->req_q_full); /* assume hanging outbound queue, try queue recovery */ @@ -375,6 +381,8 @@ void zfcp_qdio_close(struct zfcp_qdio *qdio) atomic_clear_mask(ZFCP_STATUS_ADAPTER_QDIOUP, &qdio->adapter->status); spin_unlock_bh(&qdio->req_q_lock); + wake_up(&qdio->req_q_wq); + qdio_shutdown(qdio->adapter->ccw_device, QDIO_FLAG_CLEANUP_USING_CLEAR); |