[SCSI] zfcp: Redesign of the debug tracing final cleanup.

This patch is the final cleanup of the redesign from the zfcp tracing.
Structures and elements which were used by multiple areas of the
former debug tracing are now changed to the new scheme.

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_aux.c b/drivers/s390/scsi/zfcp_aux.c
index 044fb22..352ca0d 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -311,8 +311,7 @@
 		if (zfcp_fsf_status_read(adapter->qdio)) {
 			if (atomic_read(&adapter->stat_miss) >=
 			    adapter->stat_read_buf_num) {
-				zfcp_erp_adapter_reopen(adapter, 0, "axsref1",
-							NULL);
+				zfcp_erp_adapter_reopen(adapter, 0, "axsref1");
 				return 1;
 			}
 			break;
@@ -459,7 +458,7 @@
 	sysfs_remove_group(&cdev->dev.kobj, &zfcp_sysfs_adapter_attrs);
 
 	zfcp_erp_thread_kill(adapter);
-	zfcp_dbf_adapter_unregister(adapter->dbf);
+	zfcp_dbf_adapter_unregister(adapter);
 	zfcp_qdio_destroy(adapter->qdio);
 
 	zfcp_ccw_adapter_put(adapter); /* final put to release */
diff --git a/drivers/s390/scsi/zfcp_ccw.c b/drivers/s390/scsi/zfcp_ccw.c
index 0833c2b..4f7852d 100644
--- a/drivers/s390/scsi/zfcp_ccw.c
+++ b/drivers/s390/scsi/zfcp_ccw.c
@@ -48,7 +48,7 @@
 
 	zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-				"ccresu2", NULL);
+				"ccresu2");
 	zfcp_erp_wait(adapter);
 	flush_work(&adapter->scan_work);
 
@@ -182,7 +182,7 @@
 	if (!adapter)
 		return 0;
 
-	zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1", NULL);
+	zfcp_erp_adapter_shutdown(adapter, 0, "ccsoff1");
 	zfcp_erp_wait(adapter);
 
 	zfcp_ccw_adapter_put(adapter);
@@ -207,24 +207,24 @@
 	switch (event) {
 	case CIO_GONE:
 		dev_warn(&cdev->dev, "The FCP device has been detached\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1", NULL);
+		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti1");
 		break;
 	case CIO_NO_PATH:
 		dev_warn(&cdev->dev,
 			 "The CHPID for the FCP device is offline\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2", NULL);
+		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti2");
 		break;
 	case CIO_OPER:
 		dev_info(&cdev->dev, "The FCP device is operational again\n");
 		zfcp_erp_set_adapter_status(adapter,
 					    ZFCP_STATUS_COMMON_RUNNING);
 		zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-					"ccnoti4", NULL);
+					"ccnoti4");
 		break;
 	case CIO_BOXED:
 		dev_warn(&cdev->dev, "The FCP device did not respond within "
 				     "the specified time\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti5", NULL);
+		zfcp_erp_adapter_shutdown(adapter, 0, "ccnoti5");
 		break;
 	}
 
@@ -243,7 +243,7 @@
 	if (!adapter)
 		return;
 
-	zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1", NULL);
+	zfcp_erp_adapter_shutdown(adapter, 0, "ccshut1");
 	zfcp_erp_wait(adapter);
 	zfcp_erp_thread_kill(adapter);
 
diff --git a/drivers/s390/scsi/zfcp_cfdc.c b/drivers/s390/scsi/zfcp_cfdc.c
index d692e229..46342fe 100644
--- a/drivers/s390/scsi/zfcp_cfdc.c
+++ b/drivers/s390/scsi/zfcp_cfdc.c
@@ -288,7 +288,7 @@
 		    (status & ZFCP_STATUS_COMMON_ACCESS_BOXED))
 			zfcp_erp_port_reopen(port,
 					     ZFCP_STATUS_COMMON_ERP_FAILED,
-					     "cfaac_1", NULL);
+					     "cfaac_1");
 	}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);
 
@@ -299,7 +299,7 @@
 		    (status & ZFCP_STATUS_COMMON_ACCESS_BOXED))
 			zfcp_erp_lun_reopen(sdev,
 					    ZFCP_STATUS_COMMON_ERP_FAILED,
-					    "cfaac_2", NULL);
+					    "cfaac_2");
 	}
 }
 
@@ -426,7 +426,7 @@
 			zfcp_scsi_dev_lun(sdev),
 			(unsigned long long)zfcp_sdev->port->wwpn);
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ERP_FAILED);
-		zfcp_erp_lun_shutdown(sdev, 0, "fsouh_6", NULL);
+		zfcp_erp_lun_shutdown(sdev, 0, "fsouh_6");
 		return -EACCES;
 	}
 
@@ -437,7 +437,7 @@
 			zfcp_scsi_dev_lun(sdev),
 			(unsigned long long)zfcp_sdev->port->wwpn);
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ERP_FAILED);
-		zfcp_erp_lun_shutdown(sdev, 0, "fsosh_8", NULL);
+		zfcp_erp_lun_shutdown(sdev, 0, "fsosh_8");
 		return -EACCES;
 	}
 
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index f9bd094..96d1462 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -377,26 +377,37 @@
 		}
 	}
 
-	debug_event(adapter->dbf->scsi, 1, rec, sizeof(*rec));
+	debug_event(dbf->scsi, 1, rec, sizeof(*rec));
 	spin_unlock_irqrestore(&dbf->scsi_lock, flags);
 }
 
-static debug_info_t *zfcp_dbf_reg(const char *name, int level,
-				  struct debug_view *view, int size)
+static debug_info_t *zfcp_dbf_reg(const char *name, int size, int rec_size)
 {
 	struct debug_info *d;
 
-	d = debug_register(name, dbfsize, level, size);
+	d = debug_register(name, size, 1, rec_size);
 	if (!d)
 		return NULL;
 
 	debug_register_view(d, &debug_hex_ascii_view);
-	debug_register_view(d, view);
-	debug_set_level(d, level);
+	debug_set_level(d, 3);
 
 	return d;
 }
 
+static void zfcp_dbf_unregister(struct zfcp_dbf *dbf)
+{
+	if (!dbf)
+		return;
+
+	debug_unregister(dbf->scsi);
+	debug_unregister(dbf->san);
+	debug_unregister(dbf->hba);
+	debug_unregister(dbf->pay);
+	debug_unregister(dbf->rec);
+	kfree(dbf);
+}
+
 /**
  * zfcp_adapter_debug_register - registers debug feature for an adapter
  * @adapter: pointer to adapter for which debug features should be registered
@@ -404,15 +415,13 @@
  */
 int zfcp_dbf_adapter_register(struct zfcp_adapter *adapter)
 {
-	char dbf_name[DEBUG_MAX_NAME_LEN];
+	char name[DEBUG_MAX_NAME_LEN];
 	struct zfcp_dbf *dbf;
 
 	dbf = kzalloc(sizeof(struct zfcp_dbf), GFP_KERNEL);
 	if (!dbf)
 		return -ENOMEM;
 
-	dbf->adapter = adapter;
-
 	spin_lock_init(&dbf->pay_lock);
 	spin_lock_init(&dbf->hba_lock);
 	spin_lock_init(&dbf->san_lock);
@@ -420,59 +429,52 @@
 	spin_lock_init(&dbf->rec_lock);
 
 	/* debug feature area which records recovery activity */
-	sprintf(dbf_name, "zfcp_%s_rec", dev_name(&adapter->ccw_device->dev));
-	dbf->rec = zfcp_dbf_reg(dbf_name, 3, NULL, sizeof(struct zfcp_dbf_rec));
+	sprintf(name, "zfcp_%s_rec", dev_name(&adapter->ccw_device->dev));
+	dbf->rec = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_rec));
 	if (!dbf->rec)
 		goto err_out;
 
 	/* debug feature area which records HBA (FSF and QDIO) conditions */
-	sprintf(dbf_name, "zfcp_%s_hba", dev_name(&adapter->ccw_device->dev));
-	dbf->hba = zfcp_dbf_reg(dbf_name, 3, NULL, sizeof(struct zfcp_dbf_hba));
+	sprintf(name, "zfcp_%s_hba", dev_name(&adapter->ccw_device->dev));
+	dbf->hba = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_hba));
 	if (!dbf->hba)
 		goto err_out;
 
 	/* debug feature area which records payload info */
-	sprintf(dbf_name, "zfcp_%s_pay", dev_name(&adapter->ccw_device->dev));
-	dbf->pay = zfcp_dbf_reg(dbf_name, 3, NULL,
-				sizeof(struct zfcp_dbf_pay));
+	sprintf(name, "zfcp_%s_pay", dev_name(&adapter->ccw_device->dev));
+	dbf->pay = zfcp_dbf_reg(name, dbfsize * 2, sizeof(struct zfcp_dbf_pay));
 	if (!dbf->pay)
 		goto err_out;
 
 	/* debug feature area which records SAN command failures and recovery */
-	sprintf(dbf_name, "zfcp_%s_san", dev_name(&adapter->ccw_device->dev));
-	dbf->san = zfcp_dbf_reg(dbf_name, 3, NULL, sizeof(struct zfcp_dbf_san));
+	sprintf(name, "zfcp_%s_san", dev_name(&adapter->ccw_device->dev));
+	dbf->san = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_san));
 	if (!dbf->san)
 		goto err_out;
 
 	/* debug feature area which records SCSI command failures and recovery */
-	sprintf(dbf_name, "zfcp_%s_scsi", dev_name(&adapter->ccw_device->dev));
-	dbf->scsi = zfcp_dbf_reg(dbf_name, 3, NULL,
-				 sizeof(struct zfcp_dbf_scsi));
+	sprintf(name, "zfcp_%s_scsi", dev_name(&adapter->ccw_device->dev));
+	dbf->scsi = zfcp_dbf_reg(name, dbfsize, sizeof(struct zfcp_dbf_scsi));
 	if (!dbf->scsi)
 		goto err_out;
 
 	adapter->dbf = dbf;
-	return 0;
 
+	return 0;
 err_out:
-	zfcp_dbf_adapter_unregister(dbf);
+	zfcp_dbf_unregister(dbf);
 	return -ENOMEM;
 }
 
 /**
  * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter
- * @dbf: pointer to dbf for which debug features should be unregistered
+ * @adapter: pointer to adapter for which debug features should be unregistered
  */
-void zfcp_dbf_adapter_unregister(struct zfcp_dbf *dbf)
+void zfcp_dbf_adapter_unregister(struct zfcp_adapter *adapter)
 {
-	if (!dbf)
-		return;
-	debug_unregister(dbf->scsi);
-	debug_unregister(dbf->san);
-	debug_unregister(dbf->hba);
-	debug_unregister(dbf->pay);
-	debug_unregister(dbf->rec);
-	dbf->adapter->dbf = NULL;
-	kfree(dbf);
+	struct zfcp_dbf *dbf = adapter->dbf;
+
+	adapter->dbf = NULL;
+	zfcp_dbf_unregister(dbf);
 }
 
diff --git a/drivers/s390/scsi/zfcp_dbf.h b/drivers/s390/scsi/zfcp_dbf.h
index 2cee819..714f087 100644
--- a/drivers/s390/scsi/zfcp_dbf.h
+++ b/drivers/s390/scsi/zfcp_dbf.h
@@ -14,8 +14,6 @@
 #include "zfcp_def.h"
 
 #define ZFCP_DBF_TAG_LEN       7
-#define ZFCP_DBF_TAG_SIZE      4
-#define ZFCP_DBF_ID_SIZE       7
 
 #define ZFCP_DBF_INVALID_LUN	0xFFFFFFFFFFFFFFFFull
 
@@ -233,13 +231,31 @@
  * @data: unformatted data
  */
 struct zfcp_dbf_pay {
+	u8 counter;
 	char area[ZFCP_DBF_TAG_LEN];
-	char counter;
 	u64 fsf_req_id;
 #define ZFCP_DBF_PAY_MAX_REC 0x100
 	char data[ZFCP_DBF_PAY_MAX_REC];
 } __packed;
 
+/**
+ * struct zfcp_dbf - main dbf trace structure
+ * @pay: reference to payload trace area
+ * @rec: reference to recovery trace area
+ * @hba: reference to hba trace area
+ * @san: reference to san trace area
+ * @scsi: reference to scsi trace area
+ * @pay_lock: lock protecting payload trace buffer
+ * @rec_lock: lock protecting recovery trace buffer
+ * @hba_lock: lock protecting hba trace buffer
+ * @san_lock: lock protecting san trace buffer
+ * @scsi_lock: lock protecting scsi trace buffer
+ * @pay_buf: pre-allocated buffer for payload
+ * @rec_buf: pre-allocated buffer for recovery
+ * @hba_buf: pre-allocated buffer for hba
+ * @san_buf: pre-allocated buffer for san
+ * @scsi_buf: pre-allocated buffer for scsi
+ */
 struct zfcp_dbf {
 	debug_info_t			*pay;
 	debug_info_t			*rec;
@@ -251,12 +267,11 @@
 	spinlock_t			hba_lock;
 	spinlock_t			san_lock;
 	spinlock_t			scsi_lock;
+	struct zfcp_dbf_pay		pay_buf;
 	struct zfcp_dbf_rec		rec_buf;
 	struct zfcp_dbf_hba		hba_buf;
 	struct zfcp_dbf_san		san_buf;
 	struct zfcp_dbf_scsi		scsi_buf;
-	struct zfcp_dbf_pay		pay_buf;
-	struct zfcp_adapter		*adapter;
 };
 
 static inline
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 62b1b4a..066f9ea 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -236,7 +236,7 @@
 static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
 				   struct zfcp_port *port,
 				   struct scsi_device *sdev,
-				   char *id, void *ref, u32 act_status)
+				   char *id, u32 act_status)
 {
 	int retval = 1, need;
 	struct zfcp_erp_action *act;
@@ -262,7 +262,7 @@
 }
 
 static int _zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter,
-				    int clear_mask, char *id, void *ref)
+				    int clear_mask, char *id)
 {
 	zfcp_erp_adapter_block(adapter, clear_mask);
 	zfcp_scsi_schedule_rports_block(adapter);
@@ -274,7 +274,7 @@
 		return -EIO;
 	}
 	return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER,
-				       adapter, NULL, NULL, id, ref, 0);
+				       adapter, NULL, NULL, id, 0);
 }
 
 /**
@@ -282,10 +282,8 @@
  * @adapter: Adapter to reopen.
  * @clear: Status flags to clear.
  * @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
  */
-void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear,
-			     char *id, void *ref)
+void zfcp_erp_adapter_reopen(struct zfcp_adapter *adapter, int clear, char *id)
 {
 	unsigned long flags;
 
@@ -298,7 +296,7 @@
 					    ZFCP_STATUS_COMMON_ERP_FAILED);
 	else
 		zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_ADAPTER, adapter,
-					NULL, NULL, id, ref, 0);
+					NULL, NULL, id, 0);
 	write_unlock_irqrestore(&adapter->erp_lock, flags);
 }
 
@@ -307,13 +305,12 @@
  * @adapter: Adapter to shut down.
  * @clear: Status flags to clear.
  * @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
  */
 void zfcp_erp_adapter_shutdown(struct zfcp_adapter *adapter, int clear,
-			       char *id, void *ref)
+			       char *id)
 {
 	int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
-	zfcp_erp_adapter_reopen(adapter, clear | flags, id, ref);
+	zfcp_erp_adapter_reopen(adapter, clear | flags, id);
 }
 
 /**
@@ -321,13 +318,11 @@
  * @port: Port to shut down.
  * @clear: Status flags to clear.
  * @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
  */
-void zfcp_erp_port_shutdown(struct zfcp_port *port, int clear, char *id,
-			    void *ref)
+void zfcp_erp_port_shutdown(struct zfcp_port *port, int clear, char *id)
 {
 	int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
-	zfcp_erp_port_reopen(port, clear | flags, id, ref);
+	zfcp_erp_port_reopen(port, clear | flags, id);
 }
 
 static void zfcp_erp_port_block(struct zfcp_port *port, int clear)
@@ -336,8 +331,8 @@
 				    ZFCP_STATUS_COMMON_UNBLOCKED | clear);
 }
 
-static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port,
-					 int clear, char *id, void *ref)
+static void _zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear,
+					 char *id)
 {
 	zfcp_erp_port_block(port, clear);
 	zfcp_scsi_schedule_rport_block(port);
@@ -346,28 +341,26 @@
 		return;
 
 	zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT_FORCED,
-				port->adapter, port, NULL, id, ref, 0);
+				port->adapter, port, NULL, id, 0);
 }
 
 /**
  * zfcp_erp_port_forced_reopen - Forced close of port and open again
  * @port: Port to force close and to reopen.
+ * @clear: Status flags to clear.
  * @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
  */
-void zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear, char *id,
-				 void *ref)
+void zfcp_erp_port_forced_reopen(struct zfcp_port *port, int clear, char *id)
 {
 	unsigned long flags;
 	struct zfcp_adapter *adapter = port->adapter;
 
 	write_lock_irqsave(&adapter->erp_lock, flags);
-	_zfcp_erp_port_forced_reopen(port, clear, id, ref);
+	_zfcp_erp_port_forced_reopen(port, clear, id);
 	write_unlock_irqrestore(&adapter->erp_lock, flags);
 }
 
-static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id,
-				 void *ref)
+static int _zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
 {
 	zfcp_erp_port_block(port, clear);
 	zfcp_scsi_schedule_rport_block(port);
@@ -379,24 +372,25 @@
 	}
 
 	return zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_PORT,
-				       port->adapter, port, NULL, id, ref, 0);
+				       port->adapter, port, NULL, id, 0);
 }
 
 /**
  * zfcp_erp_port_reopen - trigger remote port recovery
  * @port: port to recover
  * @clear_mask: flags in port status to be cleared
+ * @id: Id for debug trace event.
  *
  * Returns 0 if recovery has been triggered, < 0 if not.
  */
-int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id, void *ref)
+int zfcp_erp_port_reopen(struct zfcp_port *port, int clear, char *id)
 {
 	int retval;
 	unsigned long flags;
 	struct zfcp_adapter *adapter = port->adapter;
 
 	write_lock_irqsave(&adapter->erp_lock, flags);
-	retval = _zfcp_erp_port_reopen(port, clear, id, ref);
+	retval = _zfcp_erp_port_reopen(port, clear, id);
 	write_unlock_irqrestore(&adapter->erp_lock, flags);
 
 	return retval;
@@ -409,7 +403,7 @@
 }
 
 static void _zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,
-				 void *ref, u32 act_status)
+				 u32 act_status)
 {
 	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
 	struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
@@ -420,17 +414,18 @@
 		return;
 
 	zfcp_erp_action_enqueue(ZFCP_ERP_ACTION_REOPEN_LUN, adapter,
-				zfcp_sdev->port, sdev, id, ref, act_status);
+				zfcp_sdev->port, sdev, id, act_status);
 }
 
 /**
  * zfcp_erp_lun_reopen - initiate reopen of a LUN
  * @sdev: SCSI device / LUN to be reopened
  * @clear_mask: specifies flags in LUN status to be cleared
+ * @id: Id for debug trace event.
+ *
  * Return: 0 on success, < 0 on error
  */
-void zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id,
-			 void *ref)
+void zfcp_erp_lun_reopen(struct scsi_device *sdev, int clear, char *id)
 {
 	unsigned long flags;
 	struct zfcp_scsi_dev *zfcp_sdev = sdev_to_zfcp(sdev);
@@ -438,7 +433,7 @@
 	struct zfcp_adapter *adapter = port->adapter;
 
 	write_lock_irqsave(&adapter->erp_lock, flags);
-	_zfcp_erp_lun_reopen(sdev, clear, id, ref, 0);
+	_zfcp_erp_lun_reopen(sdev, clear, id, 0);
 	write_unlock_irqrestore(&adapter->erp_lock, flags);
 }
 
@@ -447,13 +442,11 @@
  * @sdev: SCSI device / LUN to shut down.
  * @clear: Status flags to clear.
  * @id: Id for debug trace event.
- * @ref: Reference for debug trace event.
  */
-void zfcp_erp_lun_shutdown(struct scsi_device *sdev, int clear, char *id,
-			   void *ref)
+void zfcp_erp_lun_shutdown(struct scsi_device *sdev, int clear, char *id)
 {
 	int flags = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
-	zfcp_erp_lun_reopen(sdev, clear | flags, id, ref);
+	zfcp_erp_lun_reopen(sdev, clear | flags, id);
 }
 
 /**
@@ -475,7 +468,7 @@
 	int clear = ZFCP_STATUS_COMMON_RUNNING | ZFCP_STATUS_COMMON_ERP_FAILED;
 
 	write_lock_irqsave(&adapter->erp_lock, flags);
-	_zfcp_erp_lun_reopen(sdev, clear, id, NULL, ZFCP_STATUS_ERP_NO_REF);
+	_zfcp_erp_lun_reopen(sdev, clear, id, ZFCP_STATUS_ERP_NO_REF);
 	write_unlock_irqrestore(&adapter->erp_lock, flags);
 
 	zfcp_erp_wait(adapter);
@@ -584,40 +577,40 @@
 }
 
 static void _zfcp_erp_port_reopen_all(struct zfcp_adapter *adapter,
-				      int clear, char *id, void *ref)
+				      int clear, char *id)
 {
 	struct zfcp_port *port;
 
 	read_lock(&adapter->port_list_lock);
 	list_for_each_entry(port, &adapter->port_list, list)
-		_zfcp_erp_port_reopen(port, clear, id, ref);
+		_zfcp_erp_port_reopen(port, clear, id);
 	read_unlock(&adapter->port_list_lock);
 }
 
 static void _zfcp_erp_lun_reopen_all(struct zfcp_port *port, int clear,
-				     char *id, void *ref)
+				     char *id)
 {
 	struct scsi_device *sdev;
 
 	shost_for_each_device(sdev, port->adapter->scsi_host)
 		if (sdev_to_zfcp(sdev)->port == port)
-			_zfcp_erp_lun_reopen(sdev, clear, id, ref, 0);
+			_zfcp_erp_lun_reopen(sdev, clear, id, 0);
 }
 
 static void zfcp_erp_strategy_followup_failed(struct zfcp_erp_action *act)
 {
 	switch (act->action) {
 	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
-		_zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1", NULL);
+		_zfcp_erp_adapter_reopen(act->adapter, 0, "ersff_1");
 		break;
 	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
-		_zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2", NULL);
+		_zfcp_erp_port_forced_reopen(act->port, 0, "ersff_2");
 		break;
 	case ZFCP_ERP_ACTION_REOPEN_PORT:
-		_zfcp_erp_port_reopen(act->port, 0, "ersff_3", NULL);
+		_zfcp_erp_port_reopen(act->port, 0, "ersff_3");
 		break;
 	case ZFCP_ERP_ACTION_REOPEN_LUN:
-		_zfcp_erp_lun_reopen(act->sdev, 0, "ersff_4", NULL, 0);
+		_zfcp_erp_lun_reopen(act->sdev, 0, "ersff_4", 0);
 		break;
 	}
 }
@@ -626,13 +619,13 @@
 {
 	switch (act->action) {
 	case ZFCP_ERP_ACTION_REOPEN_ADAPTER:
-		_zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1", NULL);
+		_zfcp_erp_port_reopen_all(act->adapter, 0, "ersfs_1");
 		break;
 	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
-		_zfcp_erp_port_reopen(act->port, 0, "ersfs_2", NULL);
+		_zfcp_erp_port_reopen(act->port, 0, "ersfs_2");
 		break;
 	case ZFCP_ERP_ACTION_REOPEN_PORT:
-		_zfcp_erp_lun_reopen_all(act->port, 0, "ersfs_3", NULL);
+		_zfcp_erp_lun_reopen_all(act->port, 0, "ersfs_3");
 		break;
 	}
 }
@@ -669,7 +662,7 @@
 				 adapter->peer_d_id);
 	if (IS_ERR(port)) /* error or port already attached */
 		return;
-	_zfcp_erp_port_reopen(port, 0, "ereptp1", NULL);
+	_zfcp_erp_port_reopen(port, 0, "ereptp1");
 }
 
 static int zfcp_erp_adapter_strat_fsf_xconf(struct zfcp_erp_action *erp_action)
@@ -1163,7 +1156,7 @@
 		if (zfcp_erp_strat_change_det(&adapter->status, erp_status)) {
 			_zfcp_erp_adapter_reopen(adapter,
 						 ZFCP_STATUS_COMMON_ERP_FAILED,
-						 "ersscg1", NULL);
+						 "ersscg1");
 			return ZFCP_ERP_EXIT;
 		}
 		break;
@@ -1173,7 +1166,7 @@
 		if (zfcp_erp_strat_change_det(&port->status, erp_status)) {
 			_zfcp_erp_port_reopen(port,
 					      ZFCP_STATUS_COMMON_ERP_FAILED,
-					      "ersscg2", NULL);
+					      "ersscg2");
 			return ZFCP_ERP_EXIT;
 		}
 		break;
@@ -1183,7 +1176,7 @@
 		if (zfcp_erp_strat_change_det(&zfcp_sdev->status, erp_status)) {
 			_zfcp_erp_lun_reopen(sdev,
 					     ZFCP_STATUS_COMMON_ERP_FAILED,
-					     "ersscg3", NULL, 0);
+					     "ersscg3", 0);
 			return ZFCP_ERP_EXIT;
 		}
 		break;
@@ -1310,7 +1303,7 @@
 			erp_action->status |= ZFCP_STATUS_ERP_LOWMEM;
 		}
 		if (adapter->erp_total_count == adapter->erp_low_mem_count)
-			_zfcp_erp_adapter_reopen(adapter, 0, "erstgy1", NULL);
+			_zfcp_erp_adapter_reopen(adapter, 0, "erstgy1");
 		else {
 			zfcp_erp_strategy_memwait(erp_action);
 			retval = ZFCP_ERP_CONTINUES;
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index b68a546..6e32528 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -45,7 +45,7 @@
 
 /* zfcp_dbf.c */
 extern int zfcp_dbf_adapter_register(struct zfcp_adapter *);
-extern void zfcp_dbf_adapter_unregister(struct zfcp_dbf *);
+extern void zfcp_dbf_adapter_unregister(struct zfcp_adapter *);
 extern void zfcp_dbf_rec_trig(char *, struct zfcp_adapter *,
 			      struct zfcp_port *, struct scsi_device *, u8, u8);
 extern void zfcp_dbf_rec_run(char *, struct zfcp_erp_action *);
@@ -61,19 +61,17 @@
 /* zfcp_erp.c */
 extern void zfcp_erp_set_adapter_status(struct zfcp_adapter *, u32);
 extern void zfcp_erp_clear_adapter_status(struct zfcp_adapter *, u32);
-extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *, void *);
-extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *,
-				      void *);
+extern void zfcp_erp_adapter_reopen(struct zfcp_adapter *, int, char *);
+extern void zfcp_erp_adapter_shutdown(struct zfcp_adapter *, int, char *);
 extern void zfcp_erp_set_port_status(struct zfcp_port *, u32);
 extern void zfcp_erp_clear_port_status(struct zfcp_port *, u32);
-extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *, void *);
-extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *, void *);
-extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *,
-					void *);
+extern int  zfcp_erp_port_reopen(struct zfcp_port *, int, char *);
+extern void zfcp_erp_port_shutdown(struct zfcp_port *, int, char *);
+extern void zfcp_erp_port_forced_reopen(struct zfcp_port *, int, char *);
 extern void zfcp_erp_set_lun_status(struct scsi_device *, u32);
 extern void zfcp_erp_clear_lun_status(struct scsi_device *, u32);
-extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *, void *);
-extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *, void *);
+extern void zfcp_erp_lun_reopen(struct scsi_device *, int, char *);
+extern void zfcp_erp_lun_shutdown(struct scsi_device *, int, char *);
 extern void zfcp_erp_lun_shutdown_wait(struct scsi_device *, char *);
 extern int  zfcp_erp_thread_setup(struct zfcp_adapter *);
 extern void zfcp_erp_thread_kill(struct zfcp_adapter *);
diff --git a/drivers/s390/scsi/zfcp_fc.c b/drivers/s390/scsi/zfcp_fc.c
index 7d44d9c..30cf91a 100644
--- a/drivers/s390/scsi/zfcp_fc.c
+++ b/drivers/s390/scsi/zfcp_fc.c
@@ -174,7 +174,7 @@
 		if (!port->d_id)
 			zfcp_erp_port_reopen(port,
 					     ZFCP_STATUS_COMMON_ERP_FAILED,
-					     "fcrscn1", NULL);
+					     "fcrscn1");
 	}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);
 }
@@ -215,7 +215,7 @@
 	read_lock_irqsave(&adapter->port_list_lock, flags);
 	list_for_each_entry(port, &adapter->port_list, list)
 		if (port->wwpn == wwpn) {
-			zfcp_erp_port_forced_reopen(port, 0, "fciwwp1", req);
+			zfcp_erp_port_forced_reopen(port, 0, "fciwwp1");
 			break;
 		}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);
@@ -360,7 +360,7 @@
 	ret = zfcp_fc_ns_gid_pn(port);
 	if (ret) {
 		/* could not issue gid_pn for some reason */
-		zfcp_erp_adapter_reopen(port->adapter, 0, "fcgpn_1", NULL);
+		zfcp_erp_adapter_reopen(port->adapter, 0, "fcgpn_1");
 		goto out;
 	}
 
@@ -369,7 +369,7 @@
 		goto out;
 	}
 
-	zfcp_erp_port_reopen(port, 0, "fcgpn_3", NULL);
+	zfcp_erp_port_reopen(port, 0, "fcgpn_3");
 out:
 	put_device(&port->dev);
 }
@@ -426,7 +426,7 @@
 	if (adisc->els.status) {
 		/* request rejected or timed out */
 		zfcp_erp_port_forced_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
-					    "fcadh_1", NULL);
+					    "fcadh_1");
 		goto out;
 	}
 
@@ -436,7 +436,7 @@
 	if ((port->wwpn != adisc_resp->adisc_wwpn) ||
 	    !(atomic_read(&port->status) & ZFCP_STATUS_COMMON_OPEN)) {
 		zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
-				     "fcadh_2", NULL);
+				     "fcadh_2");
 		goto out;
 	}
 
@@ -507,7 +507,7 @@
 
 	/* send of ADISC was not possible */
 	atomic_clear_mask(ZFCP_STATUS_PORT_LINK_TEST, &port->status);
-	zfcp_erp_port_forced_reopen(port, 0, "fcltwk1", NULL);
+	zfcp_erp_port_forced_reopen(port, 0, "fcltwk1");
 
 out:
 	put_device(&port->dev);
@@ -659,7 +659,7 @@
 		port = zfcp_port_enqueue(adapter, acc->fp_wwpn,
 					 ZFCP_STATUS_COMMON_NOESC, d_id);
 		if (!IS_ERR(port))
-			zfcp_erp_port_reopen(port, 0, "fcegpf1", NULL);
+			zfcp_erp_port_reopen(port, 0, "fcegpf1");
 		else if (PTR_ERR(port) != -EEXIST)
 			ret = PTR_ERR(port);
 	}
@@ -671,7 +671,7 @@
 	write_unlock_irqrestore(&adapter->port_list_lock, flags);
 
 	list_for_each_entry_safe(port, tmp, &remove_lh, list) {
-		zfcp_erp_port_shutdown(port, 0, "fcegpf2", NULL);
+		zfcp_erp_port_shutdown(port, 0, "fcegpf2");
 		zfcp_device_unregister(&port->dev, &zfcp_sysfs_port_attrs);
 	}
 
diff --git a/drivers/s390/scsi/zfcp_fsf.c b/drivers/s390/scsi/zfcp_fsf.c
index 5bb118e..60ff9d1 100644
--- a/drivers/s390/scsi/zfcp_fsf.c
+++ b/drivers/s390/scsi/zfcp_fsf.c
@@ -23,7 +23,7 @@
 	struct zfcp_adapter *adapter = (struct zfcp_adapter *) data;
 	zfcp_qdio_siosl(adapter);
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-				"fsrth_1", NULL);
+				"fsrth_1");
 }
 
 static void zfcp_fsf_start_timer(struct zfcp_fsf_req *fsf_req,
@@ -65,7 +65,7 @@
 {
 	dev_err(&req->adapter->ccw_device->dev, "FCP device not "
 		"operational because of an unsupported FC class\n");
-	zfcp_erp_adapter_shutdown(req->adapter, 0, "fscns_1", req);
+	zfcp_erp_adapter_shutdown(req->adapter, 0, "fscns_1");
 	req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 }
 
@@ -98,7 +98,7 @@
 	read_lock_irqsave(&adapter->port_list_lock, flags);
 	list_for_each_entry(port, &adapter->port_list, list)
 		if (port->d_id == d_id) {
-			zfcp_erp_port_reopen(port, 0, "fssrpc1", req);
+			zfcp_erp_port_reopen(port, 0, "fssrpc1");
 			break;
 		}
 	read_unlock_irqrestore(&adapter->port_list_lock, flags);
@@ -247,7 +247,7 @@
 		zfcp_erp_adapter_reopen(adapter,
 					ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
 					ZFCP_STATUS_COMMON_ERP_FAILED,
-					"fssrh_2", req);
+					"fssrh_2");
 		zfcp_fc_enqueue_event(adapter, FCH_EVT_LINKUP, 0);
 
 		break;
@@ -287,7 +287,7 @@
 			"The FCP adapter reported a problem "
 			"that cannot be recovered\n");
 		zfcp_qdio_siosl(req->adapter);
-		zfcp_erp_adapter_shutdown(req->adapter, 0, "fsfsqe1", req);
+		zfcp_erp_adapter_shutdown(req->adapter, 0, "fsfsqe1");
 		break;
 	}
 	/* all non-return stats set FSFREQ_ERROR*/
@@ -304,7 +304,7 @@
 		dev_err(&req->adapter->ccw_device->dev,
 			"The FCP adapter does not recognize the command 0x%x\n",
 			req->qtcb->header.fsf_command);
-		zfcp_erp_adapter_shutdown(req->adapter, 0, "fsfse_1", req);
+		zfcp_erp_adapter_shutdown(req->adapter, 0, "fsfse_1");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_ADAPTER_STATUS_AVAILABLE:
@@ -335,17 +335,17 @@
 			"QTCB version 0x%x not supported by FCP adapter "
 			"(0x%x to 0x%x)\n", FSF_QTCB_CURRENT_VERSION,
 			psq->word[0], psq->word[1]);
-		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_1", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_1");
 		break;
 	case FSF_PROT_ERROR_STATE:
 	case FSF_PROT_SEQ_NUMB_ERROR:
-		zfcp_erp_adapter_reopen(adapter, 0, "fspse_2", req);
+		zfcp_erp_adapter_reopen(adapter, 0, "fspse_2");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_PROT_UNSUPP_QTCB_TYPE:
 		dev_err(&adapter->ccw_device->dev,
 			"The QTCB type is not supported by the FCP adapter\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_3", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_3");
 		break;
 	case FSF_PROT_HOST_CONNECTION_INITIALIZING:
 		atomic_set_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT,
@@ -355,12 +355,12 @@
 		dev_err(&adapter->ccw_device->dev,
 			"0x%Lx is an ambiguous request identifier\n",
 			(unsigned long long)qtcb->bottom.support.req_handle);
-		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_4", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_4");
 		break;
 	case FSF_PROT_LINK_DOWN:
 		zfcp_fsf_link_down_info_eval(req, &psq->link_down_info);
 		/* go through reopen to flush pending requests */
-		zfcp_erp_adapter_reopen(adapter, 0, "fspse_6", req);
+		zfcp_erp_adapter_reopen(adapter, 0, "fspse_6");
 		break;
 	case FSF_PROT_REEST_QUEUE:
 		/* All ports should be marked as ready to run again */
@@ -369,14 +369,14 @@
 		zfcp_erp_adapter_reopen(adapter,
 					ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
 					ZFCP_STATUS_COMMON_ERP_FAILED,
-					"fspse_8", req);
+					"fspse_8");
 		break;
 	default:
 		dev_err(&adapter->ccw_device->dev,
 			"0x%x is not a valid transfer protocol status\n",
 			qtcb->prefix.prot_status);
 		zfcp_qdio_siosl(adapter);
-		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_9", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fspse_9");
 	}
 	req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 }
@@ -482,7 +482,7 @@
 		dev_err(&adapter->ccw_device->dev,
 			"Unknown or unsupported arbitrated loop "
 			"fibre channel topology detected\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "fsece_1", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fsece_1");
 		return -EIO;
 	}
 
@@ -518,7 +518,7 @@
 				"FCP adapter maximum QTCB size (%d bytes) "
 				"is too small\n",
 				bottom->max_qtcb_size);
-			zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh1", req);
+			zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh1");
 			return;
 		}
 		atomic_set_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
@@ -536,7 +536,7 @@
 			&qtcb->header.fsf_status_qual.link_down_info);
 		break;
 	default:
-		zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh3", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh3");
 		return;
 	}
 
@@ -552,14 +552,14 @@
 		dev_err(&adapter->ccw_device->dev,
 			"The FCP adapter only supports newer "
 			"control block versions\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh4", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh4");
 		return;
 	}
 	if (FSF_QTCB_CURRENT_VERSION > bottom->high_qtcb_version) {
 		dev_err(&adapter->ccw_device->dev,
 			"The FCP adapter only supports older "
 			"control block versions\n");
-		zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh5", req);
+		zfcp_erp_adapter_shutdown(adapter, 0, "fsecdh5");
 	}
 }
 
@@ -700,7 +700,7 @@
 		del_timer(&req->timer);
 		/* lookup request again, list might have changed */
 		zfcp_reqlist_find_rm(adapter->req_list, req_id);
-		zfcp_erp_adapter_reopen(adapter, 0, "fsrs__1", req);
+		zfcp_erp_adapter_reopen(adapter, 0, "fsrs__1");
 		return -EIO;
 	}
 
@@ -777,14 +777,13 @@
 	case FSF_PORT_HANDLE_NOT_VALID:
 		if (fsq->word[0] == fsq->word[1]) {
 			zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0,
-						"fsafch1", req);
+						"fsafch1");
 			req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		}
 		break;
 	case FSF_LUN_HANDLE_NOT_VALID:
 		if (fsq->word[0] == fsq->word[1]) {
-			zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fsafch2",
-					     req);
+			zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fsafch2");
 			req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		}
 		break;
@@ -795,14 +794,13 @@
 		zfcp_erp_set_port_status(zfcp_sdev->port,
 					 ZFCP_STATUS_COMMON_ACCESS_BOXED);
 		zfcp_erp_port_reopen(zfcp_sdev->port,
-				     ZFCP_STATUS_COMMON_ERP_FAILED, "fsafch3",
-				     req);
+				     ZFCP_STATUS_COMMON_ERP_FAILED, "fsafch3");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_LUN_BOXED:
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ACCESS_BOXED);
 		zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED,
-				    "fsafch4", req);
+				    "fsafch4");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
                 break;
 	case FSF_ADAPTER_STATUS_AVAILABLE:
@@ -903,7 +901,7 @@
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_PORT_HANDLE_NOT_VALID:
-		zfcp_erp_adapter_reopen(adapter, 0, "fsscth1", req);
+		zfcp_erp_adapter_reopen(adapter, 0, "fsscth1");
 		/* fall through */
 	case FSF_GENERIC_COMMAND_REJECTED:
 	case FSF_PAYLOAD_SIZE_MISMATCH:
@@ -1449,7 +1447,7 @@
 
 	switch (req->qtcb->header.fsf_status) {
 	case FSF_PORT_HANDLE_NOT_VALID:
-		zfcp_erp_adapter_reopen(port->adapter, 0, "fscph_1", req);
+		zfcp_erp_adapter_reopen(port->adapter, 0, "fscph_1");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_ADAPTER_STATUS_AVAILABLE:
@@ -1581,7 +1579,7 @@
 
 	if (req->qtcb->header.fsf_status == FSF_PORT_HANDLE_NOT_VALID) {
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
-		zfcp_erp_adapter_reopen(wka_port->adapter, 0, "fscwph1", req);
+		zfcp_erp_adapter_reopen(wka_port->adapter, 0, "fscwph1");
 	}
 
 	wka_port->status = ZFCP_FC_WKA_PORT_OFFLINE;
@@ -1639,7 +1637,7 @@
 
 	switch (header->fsf_status) {
 	case FSF_PORT_HANDLE_NOT_VALID:
-		zfcp_erp_adapter_reopen(port->adapter, 0, "fscpph1", req);
+		zfcp_erp_adapter_reopen(port->adapter, 0, "fscpph1");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_ACCESS_DENIED:
@@ -1655,7 +1653,7 @@
 						  &sdev_to_zfcp(sdev)->status);
 		zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_ACCESS_BOXED);
 		zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED,
-				     "fscpph2", req);
+				     "fscpph2");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_ADAPTER_STATUS_AVAILABLE:
@@ -1744,7 +1742,7 @@
 	switch (header->fsf_status) {
 
 	case FSF_PORT_HANDLE_NOT_VALID:
-		zfcp_erp_adapter_reopen(adapter, 0, "fsouh_1", req);
+		zfcp_erp_adapter_reopen(adapter, 0, "fsouh_1");
 		/* fall through */
 	case FSF_LUN_ALREADY_OPEN:
 		break;
@@ -1756,8 +1754,7 @@
 		zfcp_erp_set_port_status(zfcp_sdev->port,
 					 ZFCP_STATUS_COMMON_ACCESS_BOXED);
 		zfcp_erp_port_reopen(zfcp_sdev->port,
-				     ZFCP_STATUS_COMMON_ERP_FAILED, "fsouh_2",
-				     req);
+				     ZFCP_STATUS_COMMON_ERP_FAILED, "fsouh_2");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_LUN_SHARING_VIOLATION:
@@ -1853,20 +1850,18 @@
 
 	switch (req->qtcb->header.fsf_status) {
 	case FSF_PORT_HANDLE_NOT_VALID:
-		zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fscuh_1",
-					req);
+		zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fscuh_1");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_LUN_HANDLE_NOT_VALID:
-		zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fscuh_2", req);
+		zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fscuh_2");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_PORT_BOXED:
 		zfcp_erp_set_port_status(zfcp_sdev->port,
 					 ZFCP_STATUS_COMMON_ACCESS_BOXED);
 		zfcp_erp_port_reopen(zfcp_sdev->port,
-				     ZFCP_STATUS_COMMON_ERP_FAILED, "fscuh_3",
-				     req);
+				     ZFCP_STATUS_COMMON_ERP_FAILED, "fscuh_3");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_ADAPTER_STATUS_AVAILABLE:
@@ -2003,13 +1998,12 @@
 	switch (header->fsf_status) {
 	case FSF_HANDLE_MISMATCH:
 	case FSF_PORT_HANDLE_NOT_VALID:
-		zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fssfch1",
-					req);
+		zfcp_erp_adapter_reopen(zfcp_sdev->port->adapter, 0, "fssfch1");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_FCPLUN_NOT_VALID:
 	case FSF_LUN_HANDLE_NOT_VALID:
-		zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fssfch2", req);
+		zfcp_erp_port_reopen(zfcp_sdev->port, 0, "fssfch2");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_SERVICE_CLASS_NOT_SUPPORTED:
@@ -2027,7 +2021,7 @@
 			(unsigned long long)zfcp_scsi_dev_lun(sdev),
 			(unsigned long long)zfcp_sdev->port->wwpn);
 		zfcp_erp_adapter_shutdown(zfcp_sdev->port->adapter, 0,
-					  "fssfch3", req);
+					  "fssfch3");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_CMND_LENGTH_NOT_VALID:
@@ -2038,21 +2032,20 @@
 			(unsigned long long)zfcp_scsi_dev_lun(sdev),
 			(unsigned long long)zfcp_sdev->port->wwpn);
 		zfcp_erp_adapter_shutdown(zfcp_sdev->port->adapter, 0,
-					  "fssfch4", req);
+					  "fssfch4");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_PORT_BOXED:
 		zfcp_erp_set_port_status(zfcp_sdev->port,
 					 ZFCP_STATUS_COMMON_ACCESS_BOXED);
 		zfcp_erp_port_reopen(zfcp_sdev->port,
-				     ZFCP_STATUS_COMMON_ERP_FAILED, "fssfch5",
-				     req);
+				     ZFCP_STATUS_COMMON_ERP_FAILED, "fssfch5");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_LUN_BOXED:
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_ACCESS_BOXED);
 		zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED,
-				    "fssfch6", req);
+				    "fssfch6");
 		req->status |= ZFCP_STATUS_FSFREQ_ERROR;
 		break;
 	case FSF_ADAPTER_STATUS_AVAILABLE:
diff --git a/drivers/s390/scsi/zfcp_qdio.c b/drivers/s390/scsi/zfcp_qdio.c
index 434a33b..d99c9dc 100644
--- a/drivers/s390/scsi/zfcp_qdio.c
+++ b/drivers/s390/scsi/zfcp_qdio.c
@@ -41,7 +41,7 @@
 		zfcp_qdio_siosl(adapter);
 	zfcp_erp_adapter_reopen(adapter,
 				ZFCP_STATUS_ADAPTER_LINK_UNPLUGGED |
-				ZFCP_STATUS_COMMON_ERP_FAILED, id, NULL);
+				ZFCP_STATUS_COMMON_ERP_FAILED, id);
 }
 
 static void zfcp_qdio_zero_sbals(struct qdio_buffer *sbal[], int first, int cnt)
@@ -114,7 +114,7 @@
 	 * put SBALs back to response queue
 	 */
 	if (do_QDIO(cdev, QDIO_FLAG_SYNC_INPUT, 0, idx, count))
-		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdires2", NULL);
+		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdires2");
 }
 
 static struct qdio_buffer_element *
@@ -234,7 +234,7 @@
 	if (!ret) {
 		atomic_inc(&qdio->req_q_full);
 		/* assume hanging outbound queue, try queue recovery */
-		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1", NULL);
+		zfcp_erp_adapter_reopen(qdio->adapter, 0, "qdsbg_1");
 	}
 
 	spin_lock_irq(&qdio->req_q_lock);
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 8c5c1c8..59a653d 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -154,7 +154,7 @@
 	spin_lock_init(&zfcp_sdev->latencies.lock);
 
 	zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING);
-	zfcp_erp_lun_reopen(sdev, 0, "scsla_1", NULL);
+	zfcp_erp_lun_reopen(sdev, 0, "scsla_1");
 	zfcp_erp_wait(port->adapter);
 
 	return 0;
@@ -278,7 +278,7 @@
 	struct zfcp_adapter *adapter = zfcp_sdev->port->adapter;
 	int ret;
 
-	zfcp_erp_adapter_reopen(adapter, 0, "schrh_1", scpnt);
+	zfcp_erp_adapter_reopen(adapter, 0, "schrh_1");
 	zfcp_erp_wait(adapter);
 	ret = fc_block_scsi_eh(scpnt);
 	if (ret)
@@ -516,7 +516,7 @@
 	port = zfcp_get_port_by_wwpn(adapter, rport->port_name);
 
 	if (port) {
-		zfcp_erp_port_forced_reopen(port, 0, "sctrpi1", NULL);
+		zfcp_erp_port_forced_reopen(port, 0, "sctrpi1");
 		put_device(&port->dev);
 	}
 }
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index 2f2c54f..cdc4ff7 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -105,8 +105,7 @@
 		return -EINVAL;
 
 	zfcp_erp_set_port_status(port, ZFCP_STATUS_COMMON_RUNNING);
-	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, "sypfai2",
-			     NULL);
+	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, "sypfai2");
 	zfcp_erp_wait(port->adapter);
 
 	return count;
@@ -148,7 +147,7 @@
 	if (sdev) {
 		zfcp_erp_set_lun_status(sdev, ZFCP_STATUS_COMMON_RUNNING);
 		zfcp_erp_lun_reopen(sdev, ZFCP_STATUS_COMMON_ERP_FAILED,
-				    "syufai2", NULL);
+				    "syufai2");
 		zfcp_erp_wait(unit->port->adapter);
 	} else
 		zfcp_unit_scsi_scan(unit);
@@ -198,7 +197,7 @@
 
 	zfcp_erp_set_adapter_status(adapter, ZFCP_STATUS_COMMON_RUNNING);
 	zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED,
-				"syafai2", NULL);
+				"syafai2");
 	zfcp_erp_wait(adapter);
 out:
 	zfcp_ccw_adapter_put(adapter);
@@ -256,7 +255,7 @@
 
 	put_device(&port->dev);
 
-	zfcp_erp_port_shutdown(port, 0, "syprs_1", NULL);
+	zfcp_erp_port_shutdown(port, 0, "syprs_1");
 	zfcp_device_unregister(&port->dev, &zfcp_sysfs_port_attrs);
  out:
 	zfcp_ccw_adapter_put(adapter);