[SCSI] zfcp: Message cleanup

Cleanup the messages used in the zfcp driver: Remove unnecessary debug
and trace message and convert the remaining messages to standard
kernel macros. Remove the zfcp message macros and while updating the
whole flie also update the copyright headers.

Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 57 insertions, 236 deletions

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 4a6d08363d4..c06156b288e 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1,26 +1,11 @@
 /*
- * This file is part of the zfcp device driver for
- * FCP adapters for IBM System z9 and zSeries.
+ * zfcp device driver
  *
- * (C) Copyright IBM Corp. 2002, 2006
+ * Error Recovery Procedures (ERP).
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Copyright IBM Corporation 2002, 2008
  */
 
-#define ZFCP_LOG_AREA			ZFCP_LOG_AREA_ERP
-
 #include "zfcp_ext.h"
 
 static int zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *, int, u8,
@@ -171,14 +156,9 @@ static int zfcp_erp_adapter_reopen_internal(struct zfcp_adapter *adapter,
 {
 	int retval;
 
-	ZFCP_LOG_DEBUG("reopen adapter %s\n",
-		       zfcp_get_busid_by_adapter(adapter));
-
 	zfcp_erp_adapter_block(adapter, clear_mask);
 
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &adapter->status)) {
-		ZFCP_LOG_DEBUG("skipped reopen of failed adapter %s\n",
-			       zfcp_get_busid_by_adapter(adapter));
 		/* ensure propagation of failed status to new devices */
 		zfcp_erp_adapter_failed(adapter, 13, NULL);
 		retval = -EIO;
@@ -270,15 +250,9 @@ static int zfcp_erp_port_forced_reopen_internal(struct zfcp_port *port,
 {
 	int retval;
 
-	ZFCP_LOG_DEBUG("forced reopen of port 0x%016Lx on adapter %s\n",
-		       port->wwpn, zfcp_get_busid_by_port(port));
-
 	zfcp_erp_port_block(port, clear_mask);
 
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &port->status)) {
-		ZFCP_LOG_DEBUG("skipped forced reopen of failed port 0x%016Lx "
-			       "on adapter %s\n", port->wwpn,
-			       zfcp_get_busid_by_port(port));
 		retval = -EIO;
 		goto out;
 	}
@@ -332,15 +306,9 @@ static int zfcp_erp_port_reopen_internal(struct zfcp_port *port, int clear_mask,
 {
 	int retval;
 
-	ZFCP_LOG_DEBUG("reopen of port 0x%016Lx on adapter %s\n",
-		       port->wwpn, zfcp_get_busid_by_port(port));
-
 	zfcp_erp_port_block(port, clear_mask);
 
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &port->status)) {
-		ZFCP_LOG_DEBUG("skipped reopen of failed port 0x%016Lx "
-			       "on adapter %s\n", port->wwpn,
-			       zfcp_get_busid_by_port(port));
 		/* ensure propagation of failed status to new devices */
 		zfcp_erp_port_failed(port, 14, NULL);
 		retval = -EIO;
@@ -396,17 +364,9 @@ static int zfcp_erp_unit_reopen_internal(struct zfcp_unit *unit, int clear_mask,
 	int retval;
 	struct zfcp_adapter *adapter = unit->port->adapter;
 
-	ZFCP_LOG_DEBUG("reopen of unit 0x%016Lx on port 0x%016Lx "
-		       "on adapter %s\n", unit->fcp_lun,
-		       unit->port->wwpn, zfcp_get_busid_by_unit(unit));
-
 	zfcp_erp_unit_block(unit, clear_mask);
 
 	if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &unit->status)) {
-		ZFCP_LOG_DEBUG("skipped reopen of failed unit 0x%016Lx "
-			       "on port 0x%016Lx on adapter %s\n",
-			       unit->fcp_lun, unit->port->wwpn,
-			       zfcp_get_busid_by_unit(unit));
 		retval = -EIO;
 		goto out;
 	}
@@ -631,13 +591,8 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
 					ZFCP_STATUS_FSFREQ_DISMISSED;
 				zfcp_rec_dbf_event_action(142, erp_action);
 			}
-			if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
+			if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT)
 				zfcp_rec_dbf_event_action(143, erp_action);
-				ZFCP_LOG_NORMAL("error: erp step timed out "
-						"(action=%d, fsf_req=%p)\n ",
-						erp_action->action,
-						erp_action->fsf_req);
-			}
 			/*
 			 * If fsf_req is neither dismissed nor completed
 			 * then keep it running asynchronously and don't mess
@@ -740,11 +695,10 @@ zfcp_erp_thread_setup(struct zfcp_adapter *adapter)
 	atomic_clear_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP, &adapter->status);
 
 	retval = kernel_thread(zfcp_erp_thread, adapter, SIGCHLD);
-	if (retval < 0) {
-		ZFCP_LOG_NORMAL("error: creation of erp thread failed for "
-				"adapter %s\n",
-				zfcp_get_busid_by_adapter(adapter));
-	} else {
+	if (retval < 0)
+		dev_err(&adapter->ccw_device->dev,
+			"Creation of ERP thread failed.\n");
+	else {
 		wait_event(adapter->erp_thread_wqh,
 			   atomic_test_mask(ZFCP_STATUS_ADAPTER_ERP_THREAD_UP,
 					    &adapter->status));
@@ -919,15 +873,10 @@ zfcp_erp_strategy(struct zfcp_erp_action *erp_action)
 		   This might happen if an erp_action that used a memory pool
 		   element was timed out.
 		 */
-		if (adapter->erp_total_count == adapter->erp_low_mem_count) {
-			ZFCP_LOG_NORMAL("error: no mempool elements available, "
-					"restarting I/O on adapter %s "
-					"to free mempool\n",
-					zfcp_get_busid_by_adapter(adapter));
+		if (adapter->erp_total_count == adapter->erp_low_mem_count)
 			zfcp_erp_adapter_reopen_internal(adapter, 0, 66, NULL);
-		} else {
-		retval = zfcp_erp_strategy_memwait(erp_action);
-		}
+		else
+			retval = zfcp_erp_strategy_memwait(erp_action);
 		goto unlock;
 	case ZFCP_ERP_CONTINUES:
 		/* leave since this action runs asynchronously */
@@ -1039,12 +988,6 @@ zfcp_erp_strategy_do_action(struct zfcp_erp_action *erp_action)
 	case ZFCP_ERP_ACTION_REOPEN_UNIT:
 		retval = zfcp_erp_unit_strategy(erp_action);
 		break;
-
-	default:
-		ZFCP_LOG_NORMAL("bug: unknown erp action requested on "
-				"adapter %s (action=%d)\n",
-				zfcp_get_busid_by_adapter(erp_action->adapter),
-				erp_action->action);
 	}
 
 	return retval;
@@ -1083,8 +1026,7 @@ zfcp_erp_adapter_failed(struct zfcp_adapter *adapter, u8 id, void *ref)
 {
 	zfcp_erp_modify_adapter_status(adapter, id, ref,
 				       ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
-	ZFCP_LOG_NORMAL("adapter erp failed on adapter %s\n",
-			zfcp_get_busid_by_adapter(adapter));
+	dev_err(&adapter->ccw_device->dev, "Adapter ERP failed.\n");
 }
 
 /*
@@ -1100,12 +1042,13 @@ zfcp_erp_port_failed(struct zfcp_port *port, u8 id, void *ref)
 				    ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
 
 	if (atomic_test_mask(ZFCP_STATUS_PORT_WKA, &port->status))
-		ZFCP_LOG_NORMAL("port erp failed (adapter %s, "
-				"port d_id=0x%06x)\n",
-				zfcp_get_busid_by_port(port), port->d_id);
+		dev_err(&port->adapter->ccw_device->dev,
+			"Port ERP failed for WKA port d_id=0x%06x.\n",
+			port->d_id);
 	else
-		ZFCP_LOG_NORMAL("port erp failed (adapter %s, wwpn=0x%016Lx)\n",
-				zfcp_get_busid_by_port(port), port->wwpn);
+		dev_err(&port->adapter->ccw_device->dev,
+			"Port ERP failed for port wwpn=0x%016Lx.\n",
+			port->wwpn);
 }
 
 /*
@@ -1120,9 +1063,9 @@ zfcp_erp_unit_failed(struct zfcp_unit *unit, u8 id, void *ref)
 	zfcp_erp_modify_unit_status(unit, id, ref,
 				    ZFCP_STATUS_COMMON_ERP_FAILED, ZFCP_SET);
 
-	ZFCP_LOG_NORMAL("unit erp failed on unit 0x%016Lx on port 0x%016Lx "
-			" on adapter %s\n", unit->fcp_lun,
-			unit->port->wwpn, zfcp_get_busid_by_unit(unit));
+	dev_err(&unit->port->adapter->ccw_device->dev,
+		"Unit ERP failed for unit 0x%016Lx on port 0x%016Lx.\n",
+		unit->fcp_lun, unit->port->wwpn);
 }
 
 /*
@@ -1336,13 +1279,10 @@ zfcp_erp_schedule_work(struct zfcp_unit *unit)
 
 	p = kzalloc(sizeof(*p), GFP_KERNEL);
 	if (!p) {
-		ZFCP_LOG_NORMAL("error: Out of resources. Could not register "
-				"the FCP-LUN 0x%Lx connected to "
-				"the port with WWPN 0x%Lx connected to "
-				"the adapter %s with the SCSI stack.\n",
-				unit->fcp_lun,
-				unit->port->wwpn,
-				zfcp_get_busid_by_unit(unit));
+		dev_err(&unit->port->adapter->ccw_device->dev,
+			"Out of resources. Could not register unit 0x%016Lx "
+			"on port 0x%016Lx with SCSI stack.\n",
+			unit->fcp_lun, unit->port->wwpn);
 		return;
 	}
 
@@ -1585,7 +1525,6 @@ static int
 zfcp_erp_adapter_strategy(struct zfcp_erp_action *erp_action)
 {
 	int retval;
-	struct zfcp_adapter *adapter = erp_action->adapter;
 
 	retval = zfcp_erp_adapter_strategy_close(erp_action);
 	if (erp_action->status & ZFCP_STATUS_ERP_CLOSE_ONLY)
@@ -1593,12 +1532,8 @@ zfcp_erp_adapter_strategy(struct zfcp_erp_action *erp_action)
 	else
 		retval = zfcp_erp_adapter_strategy_open(erp_action);
 
-	if (retval == ZFCP_ERP_FAILED) {
-		ZFCP_LOG_INFO("Waiting to allow the adapter %s "
-			      "to recover itself\n",
-			      zfcp_get_busid_by_adapter(adapter));
+	if (retval == ZFCP_ERP_FAILED)
 		ssleep(ZFCP_TYPE2_RECOVERY_TIME);
-	}
 
 	return retval;
 }
@@ -1743,19 +1678,13 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 	for (retries = ZFCP_EXCHANGE_CONFIG_DATA_RETRIES; retries; retries--) {
 		atomic_clear_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT,
 				  &adapter->status);
-		ZFCP_LOG_DEBUG("Doing exchange config data\n");
 		write_lock_irq(&adapter->erp_lock);
 		zfcp_erp_action_to_running(erp_action);
 		write_unlock_irq(&adapter->erp_lock);
 		if (zfcp_fsf_exchange_config_data(erp_action)) {
 			retval = ZFCP_ERP_FAILED;
-			ZFCP_LOG_INFO("error:  initiation of exchange of "
-				      "configuration data failed for "
-				      "adapter %s\n",
-				      zfcp_get_busid_by_adapter(adapter));
 			break;
 		}
-		ZFCP_LOG_DEBUG("Xchange underway\n");
 
 		/*
 		 * Why this works:
@@ -1773,19 +1702,13 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 		zfcp_rec_dbf_event_thread_lock(6, adapter);
 		down(&adapter->erp_ready_sem);
 		zfcp_rec_dbf_event_thread_lock(7, adapter);
-		if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
-			ZFCP_LOG_INFO("error: exchange of configuration data "
-				      "for adapter %s timed out\n",
-				      zfcp_get_busid_by_adapter(adapter));
+		if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT)
 			break;
-		}
 
 		if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_HOST_CON_INIT,
 				     &adapter->status))
 			break;
 
-		ZFCP_LOG_DEBUG("host connection still initialising... "
-			       "waiting and retrying...\n");
 		/* sleep a little bit before retry */
 		ssleep(sleep);
 		sleep *= 2;
@@ -1795,12 +1718,8 @@ zfcp_erp_adapter_strategy_open_fsf_xconfig(struct zfcp_erp_action *erp_action)
 			  &adapter->status);
 
 	if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_XCONFIG_OK,
-			      &adapter->status)) {
-		ZFCP_LOG_INFO("error: exchange of configuration data for "
-			      "adapter %s failed\n",
-			      zfcp_get_busid_by_adapter(adapter));
+			      &adapter->status))
 		retval = ZFCP_ERP_FAILED;
-	}
 
 	return retval;
 }
@@ -1829,16 +1748,8 @@ zfcp_erp_adapter_strategy_open_fsf_xport(struct zfcp_erp_action *erp_action)
 	zfcp_rec_dbf_event_thread_lock(8, adapter);
 	down(&adapter->erp_ready_sem);
 	zfcp_rec_dbf_event_thread_lock(9, adapter);
-	if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT) {
-		ZFCP_LOG_INFO("error: exchange port data timed out (adapter "
-			      "%s)\n", zfcp_get_busid_by_adapter(adapter));
+	if (erp_action->status & ZFCP_STATUS_ERP_TIMEDOUT)
 		ret = ZFCP_ERP_FAILED;
-	}
-
-	/* don't treat as error for the sake of compatibility */
-	if (!atomic_test_mask(ZFCP_STATUS_ADAPTER_XPORT_OK, &adapter->status))
-		ZFCP_LOG_INFO("warning: exchange port data failed (adapter "
-			      "%s\n", zfcp_get_busid_by_adapter(adapter));
 
 	return ret;
 }
@@ -1884,8 +1795,6 @@ zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
 		if (atomic_test_mask((ZFCP_STATUS_PORT_PHYS_OPEN |
 				      ZFCP_STATUS_COMMON_OPEN),
 			             &port->status)) {
-			ZFCP_LOG_DEBUG("port 0x%016Lx is open -> trying "
-				       "close physical\n", port->wwpn);
 			retval =
 			    zfcp_erp_port_forced_strategy_close(erp_action);
 		} else
@@ -1895,8 +1804,6 @@ zfcp_erp_port_forced_strategy(struct zfcp_erp_action *erp_action)
 	case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
 		if (atomic_test_mask(ZFCP_STATUS_PORT_PHYS_OPEN,
 				     &port->status)) {
-			ZFCP_LOG_DEBUG("close physical failed for port "
-				       "0x%016Lx\n", port->wwpn);
 			retval = ZFCP_ERP_FAILED;
 		} else
 			retval = ZFCP_ERP_SUCCEEDED;
@@ -1930,8 +1837,6 @@ zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
 	case ZFCP_ERP_STEP_UNINITIALIZED:
 		zfcp_erp_port_strategy_clearstati(port);
 		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &port->status)) {
-			ZFCP_LOG_DEBUG("port 0x%016Lx is open -> trying "
-				       "close\n", port->wwpn);
 			retval = zfcp_erp_port_strategy_close(erp_action);
 			goto out;
 		}		/* else it's already closed, open it */
@@ -1939,8 +1844,6 @@ zfcp_erp_port_strategy(struct zfcp_erp_action *erp_action)
 
 	case ZFCP_ERP_STEP_PORT_CLOSING:
 		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &port->status)) {
-			ZFCP_LOG_DEBUG("close failed for port 0x%016Lx\n",
-				       port->wwpn);
 			retval = ZFCP_ERP_FAILED;
 			goto out;
 		}		/* else it's closed now, open it */
@@ -1983,12 +1886,10 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
 	case ZFCP_ERP_STEP_PORT_CLOSING:
 		if (fc_host_port_type(adapter->scsi_host) == FC_PORTTYPE_PTP) {
 			if (port->wwpn != adapter->peer_wwpn) {
-				ZFCP_LOG_NORMAL("Failed to open port 0x%016Lx "
-						"on adapter %s.\nPeer WWPN "
-						"0x%016Lx does not match\n",
-						port->wwpn,
-						zfcp_get_busid_by_adapter(adapter),
-						adapter->peer_wwpn);
+				dev_err(&adapter->ccw_device->dev,
+					"Failed to open port 0x%016Lx, "
+					"Peer WWPN 0x%016Lx does not match.\n",
+					port->wwpn, adapter->peer_wwpn);
 				zfcp_erp_port_failed(port, 25, NULL);
 				retval = ZFCP_ERP_FAILED;
 				break;
@@ -2001,17 +1902,14 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
 		if (!(adapter->nameserver_port)) {
 			retval = zfcp_nameserver_enqueue(adapter);
 			if (retval != 0) {
-				ZFCP_LOG_NORMAL("error: nameserver port "
-						"unavailable for adapter %s\n",
-						zfcp_get_busid_by_adapter(adapter));
+				dev_err(&adapter->ccw_device->dev,
+					"Nameserver port unavailable.\n");
 				retval = ZFCP_ERP_FAILED;
 				break;
 			}
 		}
 		if (!atomic_test_mask(ZFCP_STATUS_COMMON_UNBLOCKED,
 				      &adapter->nameserver_port->status)) {
-			ZFCP_LOG_DEBUG("nameserver port is not open -> open "
-				       "nameserver port\n");
 			/* nameserver port may live again */
 			atomic_set_mask(ZFCP_STATUS_COMMON_RUNNING,
 					&adapter->nameserver_port->status);
@@ -2027,57 +1925,37 @@ zfcp_erp_port_strategy_open_common(struct zfcp_erp_action *erp_action)
 		/* else nameserver port is already open, fall through */
 	case ZFCP_ERP_STEP_NAMESERVER_OPEN:
 		if (!atomic_test_mask(ZFCP_STATUS_COMMON_OPEN,
-				      &adapter->nameserver_port->status)) {
-			ZFCP_LOG_DEBUG("open failed for nameserver port\n");
+				      &adapter->nameserver_port->status))
 			retval = ZFCP_ERP_FAILED;
-		} else {
-			ZFCP_LOG_DEBUG("nameserver port is open -> "
-				       "nameserver look-up for port 0x%016Lx\n",
-				       port->wwpn);
+		else
 			retval = zfcp_erp_port_strategy_open_common_lookup
 				(erp_action);
-		}
 		break;
 
 	case ZFCP_ERP_STEP_NAMESERVER_LOOKUP:
 		if (!atomic_test_mask(ZFCP_STATUS_PORT_DID_DID, &port->status)) {
 			if (atomic_test_mask
 			    (ZFCP_STATUS_PORT_INVALID_WWPN, &port->status)) {
-				ZFCP_LOG_DEBUG("nameserver look-up failed "
-					       "for port 0x%016Lx "
-					       "(misconfigured WWPN?)\n",
-					       port->wwpn);
 				zfcp_erp_port_failed(port, 26, NULL);
 				retval = ZFCP_ERP_EXIT;
-			} else {
-				ZFCP_LOG_DEBUG("nameserver look-up failed for "
-					       "port 0x%016Lx\n", port->wwpn);
+			} else
 				retval = ZFCP_ERP_FAILED;
-			}
-		} else {
-			ZFCP_LOG_DEBUG("port 0x%016Lx has d_id=0x%06x -> "
-				       "trying open\n", port->wwpn, port->d_id);
+		} else
 			retval = zfcp_erp_port_strategy_open_port(erp_action);
-		}
 		break;
 
 	case ZFCP_ERP_STEP_PORT_OPENING:
 		/* D_ID might have changed during open */
 		if (atomic_test_mask((ZFCP_STATUS_COMMON_OPEN |
 				      ZFCP_STATUS_PORT_DID_DID),
-				     &port->status)) {
-			ZFCP_LOG_DEBUG("port 0x%016Lx is open\n", port->wwpn);
+				     &port->status))
 			retval = ZFCP_ERP_SUCCEEDED;
-		} else {
-			ZFCP_LOG_DEBUG("open failed for port 0x%016Lx\n",
-				       port->wwpn);
+		else
 			retval = ZFCP_ERP_FAILED;
-		}
 		break;
 
 	default:
-		ZFCP_LOG_NORMAL("bug: unknown erp step 0x%08x\n",
-				erp_action->step);
+		/* unknown erp step */
 		retval = ZFCP_ERP_FAILED;
 	}
 
@@ -2095,27 +1973,20 @@ zfcp_erp_port_strategy_open_nameserver(struct zfcp_erp_action *erp_action)
 	case ZFCP_ERP_STEP_UNINITIALIZED:
 	case ZFCP_ERP_STEP_PHYS_PORT_CLOSING:
 	case ZFCP_ERP_STEP_PORT_CLOSING:
-		ZFCP_LOG_DEBUG("port 0x%016Lx has d_id=0x%06x -> trying open\n",
-			       port->wwpn, port->d_id);
 		retval = zfcp_erp_port_strategy_open_port(erp_action);
 		break;
 
 	case ZFCP_ERP_STEP_PORT_OPENING:
-		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &port->status)) {
-			ZFCP_LOG_DEBUG("WKA port is open\n");
+		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &port->status))
 			retval = ZFCP_ERP_SUCCEEDED;
-		} else {
-			ZFCP_LOG_DEBUG("open failed for WKA port\n");
+		else
 			retval = ZFCP_ERP_FAILED;
-		}
 		/* this is needed anyway (dont care for retval of wakeup) */
-		ZFCP_LOG_DEBUG("continue other open port operations\n");
 		zfcp_erp_port_strategy_open_nameserver_wakeup(erp_action);
 		break;
 
 	default:
-		ZFCP_LOG_NORMAL("bug: unknown erp step 0x%08x\n",
-				erp_action->step);
+		/* unknown erp step */
 		retval = ZFCP_ERP_FAILED;
 	}
 
@@ -2313,39 +2184,26 @@ zfcp_erp_unit_strategy(struct zfcp_erp_action *erp_action)
 	case ZFCP_ERP_STEP_UNINITIALIZED:
 		zfcp_erp_unit_strategy_clearstati(unit);
 		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status)) {
-			ZFCP_LOG_DEBUG("unit 0x%016Lx is open -> "
-				       "trying close\n", unit->fcp_lun);
 			retval = zfcp_erp_unit_strategy_close(erp_action);
 			break;
 		}
 		/* else it's already closed, fall through */
 	case ZFCP_ERP_STEP_UNIT_CLOSING:
-		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status)) {
-			ZFCP_LOG_DEBUG("close failed for unit 0x%016Lx\n",
-				       unit->fcp_lun);
+		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status))
 			retval = ZFCP_ERP_FAILED;
-		} else {
+		else
 			if (erp_action->status & ZFCP_STATUS_ERP_CLOSE_ONLY)
 				retval = ZFCP_ERP_EXIT;
-			else {
-				ZFCP_LOG_DEBUG("unit 0x%016Lx is not open -> "
-					       "trying open\n", unit->fcp_lun);
+			else
 				retval =
 				    zfcp_erp_unit_strategy_open(erp_action);
-			}
-		}
 		break;
 
 	case ZFCP_ERP_STEP_UNIT_OPENING:
-		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status)) {
-			ZFCP_LOG_DEBUG("unit 0x%016Lx is open\n",
-				       unit->fcp_lun);
+		if (atomic_test_mask(ZFCP_STATUS_COMMON_OPEN, &unit->status))
 			retval = ZFCP_ERP_SUCCEEDED;
-		} else {
-			ZFCP_LOG_DEBUG("open failed for unit 0x%016Lx\n",
-				       unit->fcp_lun);
+		else
 			retval = ZFCP_ERP_FAILED;
-		}
 		break;
 	}
 
@@ -2493,16 +2351,8 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
 
 	case ZFCP_ERP_ACTION_REOPEN_PORT_FORCED:
 		if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_INUSE,
-				     &port->status)) {
-			if (port->erp_action.action !=
-			    ZFCP_ERP_ACTION_REOPEN_PORT_FORCED) {
-				ZFCP_LOG_INFO("dropped erp action %i (port "
-					      "0x%016Lx, action in use: %i)\n",
-					      want, port->wwpn,
-					      port->erp_action.action);
-			}
+				     &port->status))
 			goto out;
-		}
 		if (!atomic_test_mask
 		    (ZFCP_STATUS_COMMON_RUNNING, &adapter->status) ||
 		    atomic_test_mask
@@ -2522,19 +2372,10 @@ static int zfcp_erp_action_enqueue(int want, struct zfcp_adapter *adapter,
 		break;
 
 	default:
-		ZFCP_LOG_NORMAL("bug: unknown erp action requested "
-				"on adapter %s (action=%d)\n",
-				zfcp_get_busid_by_adapter(adapter), want);
+		/* unknown erp action */
 		goto out;
 	}
 
-	/* check whether we need something stronger first */
-	if (need) {
-		ZFCP_LOG_DEBUG("stronger erp action %d needed before "
-			       "erp action %d on adapter %s\n",
-			       need, want, zfcp_get_busid_by_adapter(adapter));
-	}
-
 	/* mark adapter to have some error recovery pending */
 	atomic_set_mask(ZFCP_STATUS_ADAPTER_ERP_PENDING, &adapter->status);
 
@@ -2672,10 +2513,9 @@ zfcp_erp_action_cleanup(int action, struct zfcp_adapter *adapter,
 			port->rport =
 				fc_remote_port_add(adapter->scsi_host, 0, &ids);
 			if (!port->rport)
-				ZFCP_LOG_NORMAL("failed registration of rport"
-						"(adapter %s, wwpn=0x%016Lx)\n",
-						zfcp_get_busid_by_port(port),
-						port->wwpn);
+				dev_err(&adapter->ccw_device->dev,
+					"Failed registration of rport "
+					"0x%016Lx.\n", port->wwpn);
 			else {
 				scsi_target_unblock(&port->rport->dev);
 				port->rport->maxframe_size = port->maxframe_size;
@@ -2803,7 +2643,6 @@ void zfcp_erp_adapter_access_changed(struct zfcp_adapter *adapter, u8 id,
 
 void zfcp_erp_port_access_changed(struct zfcp_port *port, u8 id, void *ref)
 {
-	struct zfcp_adapter *adapter = port->adapter;
 	struct zfcp_unit *unit;
 
 	if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED,
@@ -2816,34 +2655,16 @@ void zfcp_erp_port_access_changed(struct zfcp_port *port, u8 id, void *ref)
 		return;
 	}
 
-	ZFCP_LOG_NORMAL("reopen of port 0x%016Lx on adapter %s "
-			"(due to ACT update)\n",
-			port->wwpn, zfcp_get_busid_by_adapter(adapter));
-	if (zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref))
-		ZFCP_LOG_NORMAL("failed reopen of port"
-				"(adapter %s, wwpn=0x%016Lx)\n",
-				zfcp_get_busid_by_adapter(adapter), port->wwpn);
+	zfcp_erp_port_reopen(port, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref);
 }
 
 void zfcp_erp_unit_access_changed(struct zfcp_unit *unit, u8 id, void *ref)
 {
-	struct zfcp_adapter *adapter = unit->port->adapter;
-
 	if (!atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_DENIED,
 			      &unit->status) &&
 	    !atomic_test_mask(ZFCP_STATUS_COMMON_ACCESS_BOXED,
 			      &unit->status))
 		return;
 
-	ZFCP_LOG_NORMAL("reopen of unit 0x%016Lx on port 0x%016Lx "
-			" on adapter %s (due to ACT update)\n",
-			unit->fcp_lun, unit->port->wwpn,
-			zfcp_get_busid_by_adapter(adapter));
-	if (zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref))
-		ZFCP_LOG_NORMAL("failed reopen of unit (adapter %s, "
-				"wwpn=0x%016Lx, fcp_lun=0x%016Lx)\n",
-				zfcp_get_busid_by_adapter(adapter),
-				unit->port->wwpn, unit->fcp_lun);
+	zfcp_erp_unit_reopen(unit, ZFCP_STATUS_COMMON_ERP_FAILED, id, ref);
 }
-
-#undef ZFCP_LOG_AREA