[SCSI] zfcp: remove unused references, declarations and flags

 - Remove unused references and declarations, including one instance
   of the FC ls_adisc struct that has been defined twice.
 - Also remove the flags COMMON_OPENING, COMMON_CLOSING,
   ADAPTER_REGISTERED and XPORT_OK that are only set and cleared, but
   not checked anywhere.
 - Remove the zfcp specific atomic_test_mask makro. Simply use
   atomic_read directly instead.
 - Remove the zfcp internal sg helper functions and switch the places
   where it is still used to call sg_virt directly.
 - With the update of the QDIO code, the QDIO data structures no
   longer use the volatile type qualifier. Now we can also remove the
   volatile qualifiers from the zfcp code.

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@HansenPartnership.com>

1 files changed, 5 insertions, 6 deletions

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 91b1a364a24..d088d30516f 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -831,7 +831,7 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
 	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
 	struct zfcp_port *port = ct->port;
 	struct zfcp_adapter *adapter = port->adapter;
-	struct ct_hdr *hdr = zfcp_sg_to_address(ct->req);
+	struct ct_hdr *hdr = sg_virt(ct->req);
 	struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
 	struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req;
 	unsigned long flags;
@@ -865,7 +865,7 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
 	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
 	struct zfcp_port *port = ct->port;
 	struct zfcp_adapter *adapter = port->adapter;
-	struct ct_hdr *hdr = zfcp_sg_to_address(ct->resp);
+	struct ct_hdr *hdr = sg_virt(ct->resp);
 	struct zfcp_san_dbf_record *r = &adapter->san_dbf_buf;
 	struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp;
 	unsigned long flags;
@@ -922,8 +922,8 @@ void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
 
 	zfcp_san_dbf_event_els("oels", 2, fsf_req,
 			       fc_host_port_id(els->adapter->scsi_host),
-			       els->d_id, *(u8 *) zfcp_sg_to_address(els->req),
-			       zfcp_sg_to_address(els->req), els->req->length);
+			       els->d_id, *(u8 *) sg_virt(els->req),
+			       sg_virt(els->req), els->req->length);
 }
 
 /**
@@ -936,8 +936,7 @@ void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
 
 	zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id,
 			       fc_host_port_id(els->adapter->scsi_host),
-			       *(u8 *)zfcp_sg_to_address(els->req),
-			       zfcp_sg_to_address(els->resp),
+			       *(u8 *)sg_virt(els->req), sg_virt(els->resp),
 			       els->resp->length);
 }