[SCSI] zfcp: fix layering oddities between zfcp_fsf and zfcp_qdio
There is no need for the QDIO layer to have knowledge or do things
wich are done better by the FSF layer and vice versa. Straighten a
few things to improve vividness.
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index e0a2153..2e9b3a9 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -112,31 +112,6 @@
wake_up(&adapter->request_wq);
}
-static void zfcp_qdio_reqid_check(struct zfcp_adapter *adapter,
- unsigned long req_id, int sbal_idx)
-{
- struct zfcp_fsf_req *fsf_req;
- unsigned long flags;
-
- spin_lock_irqsave(&adapter->req_list_lock, flags);
- fsf_req = zfcp_reqlist_find(adapter, req_id);
-
- if (!fsf_req)
- /*
- * Unknown request means that we have potentially memory
- * corruption and must stop the machine immediatly.
- */
- panic("error: unknown request id (%lx) on adapter %s.\n",
- req_id, dev_name(&adapter->ccw_device->dev));
-
- zfcp_reqlist_remove(adapter, fsf_req);
- spin_unlock_irqrestore(&adapter->req_list_lock, flags);
-
- fsf_req->sbal_response = sbal_idx;
- fsf_req->qdio_inb_usage = atomic_read(&adapter->resp_q.count);
- zfcp_fsf_req_complete(fsf_req);
-}
-
static void zfcp_qdio_resp_put_back(struct zfcp_adapter *adapter, int processed)
{
struct zfcp_qdio_queue *queue = &adapter->resp_q;
@@ -163,9 +138,7 @@
unsigned long parm)
{
struct zfcp_adapter *adapter = (struct zfcp_adapter *) parm;
- struct zfcp_qdio_queue *queue = &adapter->resp_q;
- struct qdio_buffer_element *sbale;
- int sbal_idx, sbale_idx, sbal_no;
+ int sbal_idx, sbal_no;
if (unlikely(qdio_err)) {
zfcp_hba_dbf_event_qdio(adapter, qdio_err, first, count);
@@ -179,22 +152,8 @@
*/
for (sbal_no = 0; sbal_no < count; sbal_no++) {
sbal_idx = (first + sbal_no) % QDIO_MAX_BUFFERS_PER_Q;
-
/* go through all SBALEs of SBAL */
- for (sbale_idx = 0; sbale_idx < QDIO_MAX_ELEMENTS_PER_BUFFER;
- sbale_idx++) {
- sbale = zfcp_qdio_sbale(queue, sbal_idx, sbale_idx);
- zfcp_qdio_reqid_check(adapter,
- (unsigned long) sbale->addr,
- sbal_idx);
- if (likely(sbale->flags & SBAL_FLAGS_LAST_ENTRY))
- break;
- };
-
- if (unlikely(!(sbale->flags & SBAL_FLAGS_LAST_ENTRY)))
- dev_warn(&adapter->ccw_device->dev,
- "A QDIO protocol error occurred, "
- "operations continue\n");
+ zfcp_fsf_reqid_check(adapter, sbal_idx);
}
/*