[SCSI] zfcp: Shorten excessive names in debug trace.

Saving on line breaks, improving readability, by shortening excessive
function names and identifiers, by simplifying some functions call
chains, and by simplifying nesting of some data structure.
Signed-off-by: NMartin Peschke <mp3@de.ibm.com>
Signed-off-by: NChristof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: NJames Bottomley <James.Bottomley@HansenPartnership.com>

drivers/s390/scsi/zfcp_dbf.h

@@ -104,9 +104,9 @@ struct zfcp_hba_dbf_record_response {
 	u64 erp_action;
 	union {
 		struct {
-			u64 scsi_cmnd;
-			u64 scsi_serial;
-		} send_fcp;
+			u64 cmnd;
+			u64 serial;
+		} fcp;
 		struct {
 			u64 wwpn;
 			u32 d_id;
@@ -121,8 +121,8 @@ struct zfcp_hba_dbf_record_response {
 		struct {
 			u32 d_id;
 			u8 ls_code;
-		} send_els;
-	} data;
+		} els;
+	} u;
 } __attribute__ ((packed));
 
 struct zfcp_hba_dbf_record_status {
@@ -154,35 +154,34 @@ struct zfcp_hba_dbf_record {
 		struct zfcp_hba_dbf_record_response response;
 		struct zfcp_hba_dbf_record_status status;
 		struct zfcp_hba_dbf_record_qdio qdio;
-	} type;
+	} u;
 } __attribute__ ((packed));
 
-struct zfcp_san_dbf_record_ct {
-	union {
-		struct {
-			u16 cmd_req_code;
-			u8 revision;
-			u8 gs_type;
-			u8 gs_subtype;
-			u8 options;
-			u16 max_res_size;
-		} request;
-		struct {
-			u16 cmd_rsp_code;
-			u8 revision;
-			u8 reason_code;
-			u8 reason_code_expl;
-			u8 vendor_unique;
-		} response;
-	} type;
-	u32 payload_size;
+struct zfcp_san_dbf_record_ct_request {
+	u16 cmd_req_code;
+	u8 revision;
+	u8 gs_type;
+	u8 gs_subtype;
+	u8 options;
+	u16 max_res_size;
+	u32 len;
 #define ZFCP_DBF_CT_PAYLOAD	24
 	u8 payload[ZFCP_DBF_CT_PAYLOAD];
 } __attribute__ ((packed));
 
+struct zfcp_san_dbf_record_ct_response {
+	u16 cmd_rsp_code;
+	u8 revision;
+	u8 reason_code;
+	u8 expl;
+	u8 vendor_unique;
+	u32 len;
+	u8 payload[ZFCP_DBF_CT_PAYLOAD];
+} __attribute__ ((packed));
+
 struct zfcp_san_dbf_record_els {
 	u8 ls_code;
-	u32 payload_size;
+	u32 len;
 #define ZFCP_DBF_ELS_PAYLOAD	32
 #define ZFCP_DBF_ELS_MAX_PAYLOAD 1024
 	u8 payload[ZFCP_DBF_ELS_PAYLOAD];
@@ -195,9 +194,10 @@ struct zfcp_san_dbf_record {
 	u32 s_id;
 	u32 d_id;
 	union {
-		struct zfcp_san_dbf_record_ct ct;
+		struct zfcp_san_dbf_record_ct_request ct_req;
+		struct zfcp_san_dbf_record_ct_response ct_resp;
 		struct zfcp_san_dbf_record_els els;
-	} type;
+	} u;
 } __attribute__ ((packed));
 
 struct zfcp_scsi_dbf_record {
@@ -215,19 +215,15 @@ struct zfcp_scsi_dbf_record {
 	u64 fsf_reqid;
 	u32 fsf_seqno;
 	u64 fsf_issued;
-	union {
-		u64 old_fsf_reqid;
-		struct {
-			u8 rsp_validity;
-			u8 rsp_scsi_status;
-			u32 rsp_resid;
-			u8 rsp_code;
+	u64 old_fsf_reqid;
+	u8 rsp_validity;
+	u8 rsp_scsi_status;
+	u32 rsp_resid;
+	u8 rsp_code;
 #define ZFCP_DBF_SCSI_FCP_SNS_INFO	16
 #define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO	256
-			u32 sns_info_len;
-			u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
-		} fcp;
-	} type;
+	u32 sns_info_len;
+	u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
 } __attribute__ ((packed));
 
 #endif /* ZFCP_DBF_H */