[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, 9 insertions, 55 deletions

diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index 4b0c85acb0f0..a96e5c3b9460 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.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
+ * Interface to Linux SCSI midlayer.
  *
- * 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_SCSI
-
 #include "zfcp_ext.h"
 #include <asm/atomic.h>
 
@@ -44,7 +29,7 @@ static struct device_attribute *zfcp_a_stats_attrs[];
 
 struct zfcp_data zfcp_data = {
 	.scsi_host_template = {
-		.name			= ZFCP_NAME,
+		.name			= "zfcp",
 		.module			= THIS_MODULE,
 		.proc_name		= "zfcp",
 		.slave_alloc		= zfcp_scsi_slave_alloc,
@@ -64,7 +49,6 @@ struct zfcp_data zfcp_data = {
 		.max_sectors		= ZFCP_MAX_SECTORS,
 		.shost_attrs		= zfcp_a_stats_attrs,
 	},
-	.driver_version = ZFCP_VERSION,
 };
 
 /* Find start of Response Information in FCP response unit*/
@@ -181,16 +165,14 @@ zfcp_scsi_slave_alloc(struct scsi_device *sdp)
 static void zfcp_scsi_slave_destroy(struct scsi_device *sdpnt)
 {
 	struct zfcp_unit *unit = (struct zfcp_unit *) sdpnt->hostdata;
-
+	WARN_ON(!unit);
 	if (unit) {
 		atomic_clear_mask(ZFCP_STATUS_UNIT_REGISTERED, &unit->status);
 		sdpnt->hostdata = NULL;
 		unit->device = NULL;
 		zfcp_erp_unit_failed(unit, 12, NULL);
 		zfcp_unit_put(unit);
-	} else
-		ZFCP_LOG_NORMAL("bug: no unit associated with SCSI device at "
-				"address %p\n", sdpnt);
+	}
 }
 
 /*
@@ -253,10 +235,6 @@ zfcp_scsi_command_async(struct zfcp_adapter *adapter, struct zfcp_unit *unit,
 	if (unlikely(
 	      atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &unit->status) ||
 	     !atomic_test_mask(ZFCP_STATUS_COMMON_RUNNING, &unit->status))) {
-		ZFCP_LOG_DEBUG("stopping SCSI I/O on unit 0x%016Lx on port "
-			       "0x%016Lx on adapter %s\n",
-			       unit->fcp_lun, unit->port->wwpn,
-			       zfcp_get_busid_by_adapter(adapter));
 		zfcp_scsi_command_fail(scpnt, DID_ERROR);
 		goto out;
 	}
@@ -264,18 +242,12 @@ zfcp_scsi_command_async(struct zfcp_adapter *adapter, struct zfcp_unit *unit,
 	tmp = zfcp_fsf_send_fcp_command_task(adapter, unit, scpnt, use_timer,
 					     ZFCP_REQ_AUTO_CLEANUP);
 	if (unlikely(tmp == -EBUSY)) {
-		ZFCP_LOG_DEBUG("adapter %s not ready or unit 0x%016Lx "
-			       "on port 0x%016Lx in recovery\n",
-			       zfcp_get_busid_by_unit(unit),
-			       unit->fcp_lun, unit->port->wwpn);
 		zfcp_scsi_command_fail(scpnt, DID_NO_CONNECT);
 		goto out;
 	}
 
-	if (unlikely(tmp < 0)) {
-		ZFCP_LOG_DEBUG("error: initiation of Send FCP Cmnd failed\n");
+	if (unlikely(tmp < 0))
 		retval = SCSI_MLQUEUE_HOST_BUSY;
-	}
 
 out:
 	return retval;
@@ -394,9 +366,6 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 	adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
 	unit = (struct zfcp_unit *) scpnt->device->hostdata;
 
-	ZFCP_LOG_INFO("aborting scsi_cmnd=%p on adapter %s\n",
-		      scpnt, zfcp_get_busid_by_adapter(adapter));
-
 	/* avoid race condition between late normal completion and abort */
 	write_lock_irqsave(&adapter->abort_lock, flags);
 
@@ -420,7 +389,6 @@ static int zfcp_scsi_eh_abort_handler(struct scsi_cmnd *scpnt)
 
 	fsf_req = zfcp_fsf_abort_fcp_command(old_req_id, adapter, unit, 0);
 	if (!fsf_req) {
-		ZFCP_LOG_INFO("error: initiation of Abort FCP Cmnd failed\n");
 		zfcp_scsi_dbf_event_abort("nres", adapter, scpnt, NULL,
 					  old_req_id);
 		retval = FAILED;
@@ -485,10 +453,6 @@ zfcp_task_management_function(struct zfcp_unit *unit, u8 tm_flags,
 	fsf_req = zfcp_fsf_send_fcp_command_task_management
 		(adapter, unit, tm_flags, 0);
 	if (!fsf_req) {
-		ZFCP_LOG_INFO("error: creation of task management request "
-			      "failed for unit 0x%016Lx on port 0x%016Lx on  "
-			      "adapter %s\n", unit->fcp_lun, unit->port->wwpn,
-			      zfcp_get_busid_by_adapter(adapter));
 		zfcp_scsi_dbf_event_devreset("nres", tm_flags, unit, scpnt);
 		retval = -ENOMEM;
 		goto out;
@@ -524,12 +488,6 @@ static int zfcp_scsi_eh_host_reset_handler(struct scsi_cmnd *scpnt)
 
 	unit = (struct zfcp_unit*) scpnt->device->hostdata;
 	adapter = unit->port->adapter;
-
-	ZFCP_LOG_NORMAL("host reset because of problems with "
-		"unit 0x%016Lx on port 0x%016Lx, adapter %s\n",
-		unit->fcp_lun, unit->port->wwpn,
-		zfcp_get_busid_by_adapter(unit->port->adapter));
-
 	zfcp_erp_adapter_reopen(adapter, 0, 141, scpnt);
 	zfcp_erp_wait(adapter);
 
@@ -549,13 +507,11 @@ zfcp_adapter_scsi_register(struct zfcp_adapter *adapter)
 	adapter->scsi_host = scsi_host_alloc(&zfcp_data.scsi_host_template,
 					     sizeof (struct zfcp_adapter *));
 	if (!adapter->scsi_host) {
-		ZFCP_LOG_NORMAL("error: registration with SCSI stack failed "
-				"for adapter %s ",
-				zfcp_get_busid_by_adapter(adapter));
+		dev_err(&adapter->ccw_device->dev,
+			"registration with SCSI stack failed.");
 		retval = -EIO;
 		goto out;
 	}
-	ZFCP_LOG_DEBUG("host registered, scsi_host=%p\n", adapter->scsi_host);
 
 	/* tell the SCSI stack some characteristics of this adapter */
 	adapter->scsi_host->max_id = 1;
@@ -987,5 +943,3 @@ static struct device_attribute *zfcp_a_stats_attrs[] = {
 	&dev_attr_seconds_active,
 	NULL
 };
-
-#undef ZFCP_LOG_AREA