[S390] dasd: message cleanup

Moved some Messages into s390 debug feature and changed remaining
messages to use the dev_xxx and pr_xxx macros.
Signed-off-by: Stefan Haberland <stefan.haberland@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

drivers/s390/block/dasd_alias.c

@@ -5,6 +5,8 @@
  * Author(s): Stefan Weinhuber <wein@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/list.h>
 #include <asm/ebcdic.h>
 #include "dasd_int.h"
@@ -503,7 +505,7 @@ static void lcu_update_work(struct work_struct *work)
 	 */
 	spin_lock_irqsave(&lcu->lock, flags);
 	if (rc || (lcu->flags & NEED_UAC_UPDATE)) {
-		DEV_MESSAGE(KERN_WARNING, device, "could not update"
+		DBF_DEV_EVENT(DBF_WARNING, device, "could not update"
 			    " alias data in lcu (rc = %d), retry later", rc);
 		schedule_delayed_work(&lcu->ruac_data.dwork, 30*HZ);
 	} else {
@@ -875,7 +877,7 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device,
 
 	lcu = private->lcu;
 	if (!lcu) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "device not ready to handle summary"
 			    " unit check (no lcu structure)");
 		return;
@@ -888,7 +890,7 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device,
 	 * the next interrupt on a different device
 	 */
 	if (list_empty(&device->alias_list)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "device is in offline processing,"
 			    " don't do summary unit check handling");
 		spin_unlock(&lcu->lock);
@@ -896,7 +898,7 @@ void dasd_alias_handle_summary_unit_check(struct dasd_device *device,
 	}
 	if (lcu->suc_data.device) {
 		/* already scheduled or running */
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "previous instance of summary unit check worker"
 			    " still pending");
 		spin_unlock(&lcu->lock);

drivers/s390/block/dasd_devmap.c

@@ -13,6 +13,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/ctype.h>
 #include <linux/init.h>
 #include <linux/module.h>
@@ -127,6 +129,7 @@ __setup ("dasd=", dasd_call_setup);
  * Read a device busid/devno from a string.
  */
 static int
+
 dasd_busid(char **str, int *id0, int *id1, int *devno)
 {
 	int val, old_style;
@@ -134,8 +137,7 @@ dasd_busid(char **str, int *id0, int *id1, int *devno)
 	/* Interpret ipldev busid */
 	if (strncmp(DASD_IPLDEV, *str, strlen(DASD_IPLDEV)) == 0) {
 		if (ipl_info.type != IPL_TYPE_CCW) {
-			MESSAGE(KERN_ERR, "%s", "ipl device is not a ccw "
-				"device");
+			pr_err("The IPL device is not a CCW device\n");
 			return -EINVAL;
 		}
 		*id0 = 0;
@@ -211,9 +213,8 @@ dasd_feature_list(char *str, char **endp)
 		else if (len == 8 && !strncmp(str, "failfast", 8))
 			features |= DASD_FEATURE_FAILFAST;
 		else {
-			MESSAGE(KERN_WARNING,
-				"unsupported feature: %*s, "
-				"ignoring setting", len, str);
+			pr_warning("%*s is not a supported device option\n",
+				   len, str);
 			rc = -EINVAL;
 		}
 		str += len;
@@ -222,8 +223,8 @@ dasd_feature_list(char *str, char **endp)
 		str++;
 	}
 	if (*str != ')') {
-		MESSAGE(KERN_WARNING, "%s",
-			"missing ')' in dasd parameter string\n");
+		pr_warning("A closing parenthesis ')' is missing in the "
+			   "dasd= parameter\n");
 		rc = -EINVAL;
 	} else
 		str++;
@@ -255,28 +256,27 @@ dasd_parse_keyword( char *parsestring ) {
         }
 	if (strncmp("autodetect", parsestring, length) == 0) {
 		dasd_autodetect = 1;
-		MESSAGE (KERN_INFO, "%s",
-			 "turning to autodetection mode");
+		pr_info("The autodetection mode has been activated\n");
                 return residual_str;
         }
 	if (strncmp("probeonly", parsestring, length) == 0) {
 		dasd_probeonly = 1;
-		MESSAGE(KERN_INFO, "%s",
-			"turning to probeonly mode");
+		pr_info("The probeonly mode has been activated\n");
                 return residual_str;
         }
 	if (strncmp("nopav", parsestring, length) == 0) {
 		if (MACHINE_IS_VM)
-			MESSAGE(KERN_INFO, "%s", "'nopav' not supported on VM");
+			pr_info("'nopav' is not supported on z/VM\n");
 		else {
 			dasd_nopav = 1;
-			MESSAGE(KERN_INFO, "%s", "disable PAV mode");
+			pr_info("PAV support has be deactivated\n");
 		}
 		return residual_str;
 	}
 	if (strncmp("nofcx", parsestring, length) == 0) {
 		dasd_nofcx = 1;
-		MESSAGE(KERN_INFO, "%s", "disable High Performance Ficon");
+		pr_info("High Performance FICON support has been "
+			"deactivated\n");
 		return residual_str;
 	}
 	if (strncmp("fixedbuffers", parsestring, length) == 0) {
@@ -287,10 +287,10 @@ dasd_parse_keyword( char *parsestring ) {
 					  PAGE_SIZE, SLAB_CACHE_DMA,
 					  NULL);
 		if (!dasd_page_cache)
-			MESSAGE(KERN_WARNING, "%s", "Failed to create slab, "
+			DBF_EVENT(DBF_WARNING, "%s", "Failed to create slab, "
 				"fixed buffer mode disabled.");
 		else
-			MESSAGE (KERN_INFO, "%s",
+			DBF_EVENT(DBF_INFO, "%s",
 				 "turning on fixed buffer mode");
                 return residual_str;
         }
@@ -328,7 +328,7 @@ dasd_parse_range( char *parsestring ) {
 	    (from_id0 != to_id0 || from_id1 != to_id1 || from > to))
 		rc = -EINVAL;
 	if (rc) {
-		MESSAGE(KERN_ERR, "Invalid device range %s", parsestring);
+		pr_err("%s is not a valid device range\n", parsestring);
 		return ERR_PTR(rc);
 	}
 	features = dasd_feature_list(str, &str);
@@ -347,8 +347,8 @@ dasd_parse_range( char *parsestring ) {
 		return str + 1;
 	if (*str == '\0')
 		return str;
-	MESSAGE(KERN_WARNING,
-		"junk at end of dasd parameter string: %s\n", str);
+	pr_warning("The dasd= parameter value %s has an invalid ending\n",
+		   str);
 	return ERR_PTR(-EINVAL);
 }
 

drivers/s390/block/dasd_diag.c

@@ -8,6 +8,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/slab.h>
@@ -144,8 +146,8 @@ dasd_diag_erp(struct dasd_device *device)
 	mdsk_term_io(device);
 	rc = mdsk_init_io(device, device->block->bp_block, 0, NULL);
 	if (rc)
-		DEV_MESSAGE(KERN_WARNING, device, "DIAG ERP unsuccessful, "
-			    "rc=%d", rc);
+		dev_warn(&device->cdev->dev, "DIAG ERP failed with "
+			    "rc=%d\n", rc);
 }
 
 /* Start a given request at the device. Return zero on success, non-zero
@@ -160,7 +162,7 @@ dasd_start_diag(struct dasd_ccw_req * cqr)
 
 	device = cqr->startdev;
 	if (cqr->retries < 0) {
-		DEV_MESSAGE(KERN_WARNING, device, "DIAG start_IO: request %p "
+		DBF_DEV_EVENT(DBF_ERR, device, "DIAG start_IO: request %p "
 			    "- no retry left)", cqr);
 		cqr->status = DASD_CQR_ERROR;
 		return -EIO;
@@ -195,7 +197,7 @@ dasd_start_diag(struct dasd_ccw_req * cqr)
 		break;
 	default: /* Error condition */
 		cqr->status = DASD_CQR_QUEUED;
-		DEV_MESSAGE(KERN_WARNING, device, "dia250 returned rc=%d", rc);
+		DBF_DEV_EVENT(DBF_WARNING, device, "dia250 returned rc=%d", rc);
 		dasd_diag_erp(device);
 		rc = -EIO;
 		break;
@@ -243,13 +245,14 @@ dasd_ext_handler(__u16 code)
 		return;
 	}
 	if (!ip) {		/* no intparm: unsolicited interrupt */
-		MESSAGE(KERN_DEBUG, "%s", "caught unsolicited interrupt");
+		DBF_EVENT(DBF_NOTICE, "%s", "caught unsolicited "
+			      "interrupt");
 		return;
 	}
 	cqr = (struct dasd_ccw_req *) ip;
 	device = (struct dasd_device *) cqr->startdev;
 	if (strncmp(device->discipline->ebcname, (char *) &cqr->magic, 4)) {
-		DEV_MESSAGE(KERN_WARNING, device,
+		DBF_DEV_EVENT(DBF_WARNING, device,
 			    " magic number of dasd_ccw_req 0x%08X doesn't"
 			    " match discipline 0x%08X",
 			    cqr->magic, *(int *) (&device->discipline->name));
@@ -281,15 +284,11 @@ dasd_ext_handler(__u16 code)
 				rc = dasd_start_diag(next);
 				if (rc == 0)
 					expires = next->expires;
-				else if (rc != -EACCES)
-					DEV_MESSAGE(KERN_WARNING, device, "%s",
-						    "Interrupt fastpath "
-						    "failed!");
 			}
 		}
 	} else {
 		cqr->status = DASD_CQR_QUEUED;
-		DEV_MESSAGE(KERN_WARNING, device, "interrupt status for "
+		DBF_DEV_EVENT(DBF_DEBUG, device, "interrupt status for "
 			    "request %p was %d (%d retries left)", cqr, status,
 			    cqr->retries);
 		dasd_diag_erp(device);
@@ -322,8 +321,9 @@ dasd_diag_check_device(struct dasd_device *device)
 	if (private == NULL) {
 		private = kzalloc(sizeof(struct dasd_diag_private),GFP_KERNEL);
 		if (private == NULL) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				"memory allocation failed for private data");
+			DBF_DEV_EVENT(DBF_WARNING, device, "%s",
+				"Allocating memory for private DASD data "
+				      "failed\n");
 			return -ENOMEM;
 		}
 		ccw_device_get_id(device->cdev, &private->dev_id);
@@ -331,7 +331,7 @@ dasd_diag_check_device(struct dasd_device *device)
 	}
 	block = dasd_alloc_block();
 	if (IS_ERR(block)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "could not allocate dasd block structure");
 		device->private = NULL;
 		kfree(private);
@@ -347,7 +347,7 @@ dasd_diag_check_device(struct dasd_device *device)
 
 	rc = diag210((struct diag210 *) rdc_data);
 	if (rc) {
-		DEV_MESSAGE(KERN_WARNING, device, "failed to retrieve device "
+		DBF_DEV_EVENT(DBF_WARNING, device, "failed to retrieve device "
 			    "information (rc=%d)", rc);
 		rc = -EOPNOTSUPP;
 		goto out;
@@ -362,8 +362,8 @@ dasd_diag_check_device(struct dasd_device *device)
 		private->pt_block = 2;
 		break;
 	default:
-		DEV_MESSAGE(KERN_WARNING, device, "unsupported device class "
-			    "(class=%d)", private->rdc_data.vdev_class);
+		dev_warn(&device->cdev->dev, "Device type %d is not supported "
+			    "in DIAG mode\n", private->rdc_data.vdev_class);
 		rc = -EOPNOTSUPP;
 		goto out;
 	}
@@ -380,7 +380,7 @@ dasd_diag_check_device(struct dasd_device *device)
 	/* figure out blocksize of device */
 	label = (struct vtoc_cms_label *) get_zeroed_page(GFP_KERNEL);
 	if (label == NULL)  {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "No memory to allocate initialization request");
 		rc = -ENOMEM;
 		goto out;
@@ -404,8 +404,8 @@ dasd_diag_check_device(struct dasd_device *device)
 		private->iob.flaga = DASD_DIAG_FLAGA_DEFAULT;
 		rc = dia250(&private->iob, RW_BIO);
 		if (rc == 3) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				"DIAG call failed");
+			dev_warn(&device->cdev->dev,
+				"A 64-bit DIAG call failed\n");
 			rc = -EOPNOTSUPP;
 			goto out_label;
 		}
@@ -414,8 +414,8 @@ dasd_diag_check_device(struct dasd_device *device)
 			break;
 	}
 	if (bsize > PAGE_SIZE) {
-		DEV_MESSAGE(KERN_WARNING, device, "device access failed "
-			    "(rc=%d)", rc);
+		dev_warn(&device->cdev->dev, "Accessing the DASD failed because"
+			 " of an incorrect format (rc=%d)\n", rc);
 		rc = -EIO;
 		goto out_label;
 	}
@@ -433,12 +433,12 @@ dasd_diag_check_device(struct dasd_device *device)
 		block->s2b_shift++;
 	rc = mdsk_init_io(device, block->bp_block, 0, NULL);
 	if (rc) {
-		DEV_MESSAGE(KERN_WARNING, device, "DIAG initialization "
-			"failed (rc=%d)", rc);
+		dev_warn(&device->cdev->dev, "DIAG initialization "
+			"failed with rc=%d\n", rc);
 		rc = -EIO;
 	} else {
-		DEV_MESSAGE(KERN_INFO, device,
-			    "(%ld B/blk): %ldkB",
+		dev_info(&device->cdev->dev,
+			 "New DASD with %ld byte/block, total size %ld KB\n",
 			 (unsigned long) block->bp_block,
 			 (unsigned long) (block->blocks <<
 					  block->s2b_shift) >> 1);
@@ -595,7 +595,7 @@ static void
 dasd_diag_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		     struct irb *stat)
 {
-	DEV_MESSAGE(KERN_ERR, device, "%s",
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 		    "dump sense not available for DIAG data");
 }
 
@@ -621,9 +621,7 @@ static int __init
 dasd_diag_init(void)
 {
 	if (!MACHINE_IS_VM) {
-		MESSAGE_LOG(KERN_INFO,
-			    "Machine is not VM: %s "
-			    "discipline not initializing",
+		pr_info("Discipline %s cannot be used without z/VM\n",
 			dasd_diag_discipline.name);
 		return -ENODEV;
 	}

drivers/s390/block/dasd_eer.c

@@ -6,6 +6,8 @@
  *  Author(s): Stefan Weinhuber <wein@de.ibm.com>
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/init.h>
 #include <linux/fs.h>
 #include <linux/kernel.h>
@@ -539,7 +541,7 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
 	if (eerb->buffer_page_count < 1 ||
 	    eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {
 		kfree(eerb);
-		MESSAGE(KERN_WARNING, "can't open device since module "
+		DBF_EVENT(DBF_WARNING, "can't open device since module "
 			"parameter eer_pages is smaller than 1 or"
 			" bigger than %d", (int)(INT_MAX / PAGE_SIZE));
 		unlock_kernel();
@@ -692,7 +694,7 @@ int __init dasd_eer_init(void)
 	if (rc) {
 		kfree(dasd_eer_dev);
 		dasd_eer_dev = NULL;
-		MESSAGE(KERN_ERR, "%s", "dasd_eer_init could not "
+		DBF_EVENT(DBF_ERR, "%s", "dasd_eer_init could not "
 		       "register misc device");
 		return rc;
 	}

drivers/s390/block/dasd_erp.c

@@ -9,6 +9,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/ctype.h>
 #include <linux/init.h>
 
@@ -91,14 +93,14 @@ dasd_default_erp_action(struct dasd_ccw_req *cqr)
 
         /* just retry - there is nothing to save ... I got no sense data.... */
         if (cqr->retries > 0) {
-		DEV_MESSAGE (KERN_DEBUG, device,
+		DBF_DEV_EVENT(DBF_DEBUG, device,
                              "default ERP called (%i retries left)",
                              cqr->retries);
 		cqr->lpm    = LPM_ANYPATH;
 		cqr->status = DASD_CQR_FILLED;
         } else {
-                DEV_MESSAGE (KERN_WARNING, device, "%s",
-			     "default ERP called (NO retry left)");
+		dev_err(&device->cdev->dev,
+			"default ERP has run out of retries and failed\n");
 		cqr->status = DASD_CQR_FAILED;
 		cqr->stopclk = get_clock();
         }
@@ -162,8 +164,21 @@ dasd_log_sense(struct dasd_ccw_req *cqr, struct irb *irb)
 		device->discipline->dump_sense(device, cqr, irb);
 }
 
+void
+dasd_log_sense_dbf(struct dasd_ccw_req *cqr, struct irb *irb)
+{
+	struct dasd_device *device;
+
+	device = cqr->startdev;
+	/* dump sense data to s390 debugfeature*/
+	if (device->discipline && device->discipline->dump_sense_dbf)
+		device->discipline->dump_sense_dbf(device, cqr, irb, "log");
+}
+EXPORT_SYMBOL(dasd_log_sense_dbf);
+
 EXPORT_SYMBOL(dasd_default_erp_action);
 EXPORT_SYMBOL(dasd_default_erp_postaction);
 EXPORT_SYMBOL(dasd_alloc_erp_request);
 EXPORT_SYMBOL(dasd_free_erp_request);
 EXPORT_SYMBOL(dasd_log_sense);
+

drivers/s390/block/dasd_fba.c

@@ -6,6 +6,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <asm/debug.h>
@@ -128,17 +130,18 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 		private = kzalloc(sizeof(struct dasd_fba_private),
 				  GFP_KERNEL | GFP_DMA);
 		if (private == NULL) {
-			DEV_MESSAGE(KERN_WARNING, device, "%s",
-				    "memory allocation failed for private "
-				    "data");
+			dev_warn(&device->cdev->dev,
+				 "Allocating memory for private DASD "
+				 "data failed\n");
 			return -ENOMEM;
 		}
 		device->private = (void *) private;
 	}
 	block = dasd_alloc_block();
 	if (IS_ERR(block)) {
-		DEV_MESSAGE(KERN_WARNING, device, "%s",
-			    "could not allocate dasd block structure");
+		DBF_EVENT(DBF_WARNING, "could not allocate dasd block "
+			  "structure for device: %s",
+			  dev_name(&device->cdev->dev));
 		device->private = NULL;
 		kfree(private);
 		return PTR_ERR(block);
@@ -150,9 +153,9 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 	rdc_data = (void *) &(private->rdc_data);
 	rc = dasd_generic_read_dev_chars(device, "FBA ", &rdc_data, 32);
 	if (rc) {
-		DEV_MESSAGE(KERN_WARNING, device,
-			    "Read device characteristics returned error %d",
-			    rc);
+		DBF_EVENT(DBF_WARNING, "Read device characteristics returned "
+			  "error %d for device: %s",
+			  rc, dev_name(&device->cdev->dev));
 		device->block = NULL;
 		dasd_free_block(block);
 		device->private = NULL;
@@ -160,8 +163,9 @@ dasd_fba_check_characteristics(struct dasd_device *device)
 		return rc;
 	}
 
-	DEV_MESSAGE(KERN_INFO, device,
-		    "%04X/%02X(CU:%04X/%02X) %dMB at(%d B/blk)",
+	dev_info(&device->cdev->dev,
+		 "New FBA DASD %04X/%02X (CU %04X/%02X) with %d MB "
+		 "and %d B/blk\n",
 		 cdev->id.dev_type,
 		 cdev->id.dev_model,
 		 cdev->id.cu_type,
@@ -180,7 +184,7 @@ static int dasd_fba_do_analysis(struct dasd_block *block)
 	private = (struct dasd_fba_private *) block->base->private;
 	rc = dasd_check_blocksize(private->rdc_data.blk_size);
 	if (rc) {
-		DEV_MESSAGE(KERN_INFO, block->base, "unknown blocksize %d",
+		DBF_DEV_EVENT(DBF_WARNING, block->base, "unknown blocksize %d",
 			    private->rdc_data.blk_size);
 		return rc;
 	}
@@ -215,7 +219,7 @@ dasd_fba_erp_postaction(struct dasd_ccw_req * cqr)
 	if (cqr->function == dasd_default_erp_action)
 		return dasd_default_erp_postaction;
 
-	DEV_MESSAGE(KERN_WARNING, cqr->startdev, "unknown ERP action %p",
+	DBF_DEV_EVENT(DBF_WARNING, cqr->startdev, "unknown ERP action %p",
 		    cqr->function);
 	return NULL;
 }
@@ -233,9 +237,9 @@ static void dasd_fba_handle_unsolicited_interrupt(struct dasd_device *device,
 	}
 
 	/* check for unsolicited interrupts */
-	DEV_MESSAGE(KERN_DEBUG, device, "%s",
+	DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 		    "unsolicited interrupt received");
-	device->discipline->dump_sense(device, NULL, irb);
+	device->discipline->dump_sense_dbf(device, NULL, irb, "unsolicited");
 	dasd_schedule_device_bh(device);
 	return;
 };
@@ -436,6 +440,25 @@ dasd_fba_fill_info(struct dasd_device * device,
 	return 0;
 }
 
+static void
+dasd_fba_dump_sense_dbf(struct dasd_device *device, struct dasd_ccw_req *req,
+			 struct irb *irb, char *reason)
+{
+	int sl;
+	if (irb->esw.esw0.erw.cons) {
+		for (sl = 0; sl < 4; sl++) {
+			DBF_DEV_EVENT(DBF_EMERG, device,
+				      "%s: %08x %08x %08x %08x",
+				      reason, irb->ecw[8 * 0], irb->ecw[8 * 1],
+				      irb->ecw[8 * 2], irb->ecw[8 * 3]);
+		}
+	} else {
+		DBF_DEV_EVENT(DBF_EMERG, device, "%s",
+			      "SORRY - NO VALID SENSE AVAILABLE\n");
+	}
+}
+
+
 static void
 dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		    struct irb *irb)
@@ -446,7 +469,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 
 	page = (char *) get_zeroed_page(GFP_ATOMIC);
 	if (page == NULL) {
-		DEV_MESSAGE(KERN_ERR, device, " %s",
+		DBF_DEV_EVENT(DBF_WARNING, device, "%s",
 			    "No memory to dump sense data");
 		return;
 	}
@@ -476,8 +499,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 	        len += sprintf(page + len, KERN_ERR PRINTK_HEADER
 			       " SORRY - NO VALID SENSE AVAILABLE\n");
 	}
-	MESSAGE_LOG(KERN_ERR, "%s",
-		    page + sizeof(KERN_ERR PRINTK_HEADER));
+	printk(KERN_ERR "%s", page);
 
 	/* dump the Channel Program */
 	/* print first CCWs (maximum 8) */
@@ -498,8 +520,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		len += sprintf(page + len, "\n");
 		act++;
 	}
-	MESSAGE_LOG(KERN_ERR, "%s",
-		    page + sizeof(KERN_ERR PRINTK_HEADER));
+	printk(KERN_ERR "%s", page);
 
 
 	/* print failing CCW area */
@@ -540,8 +561,7 @@ dasd_fba_dump_sense(struct dasd_device *device, struct dasd_ccw_req * req,
 		act++;
 	}
 	if (len > 0)
-		MESSAGE_LOG(KERN_ERR, "%s",
-			    page + sizeof(KERN_ERR PRINTK_HEADER));
+		printk(KERN_ERR "%s", page);
 	free_page((unsigned long) page);
 }
 
@@ -576,6 +596,7 @@ static struct dasd_discipline dasd_fba_discipline = {
 	.build_cp = dasd_fba_build_cp,
 	.free_cp = dasd_fba_free_cp,
 	.dump_sense = dasd_fba_dump_sense,
+	.dump_sense_dbf = dasd_fba_dump_sense_dbf,
 	.fill_info = dasd_fba_fill_info,
 };
 

drivers/s390/block/dasd_genhd.c

@@ -11,6 +11,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/interrupt.h>
 #include <linux/fs.h>
 #include <linux/blkpg.h>
@@ -163,9 +165,8 @@ int dasd_gendisk_init(void)
 	/* Register to static dasd major 94 */
 	rc = register_blkdev(DASD_MAJOR, "dasd");
 	if (rc != 0) {
-		MESSAGE(KERN_WARNING,
-			"Couldn't register successfully to "
-			"major no %d", DASD_MAJOR);
+		pr_warning("Registering the device driver with major number "
+			   "%d failed\n", DASD_MAJOR);
 		return rc;
 	}
 	return 0;

drivers/s390/block/dasd_int.h

@@ -112,6 +112,9 @@ do { \
 				d_data); \
 } while(0)
 
+/* limit size for an errorstring */
+#define ERRORLENGTH 30
+
 /* definition of dbf debug levels */
 #define	DBF_EMERG	0	/* system is unusable			*/
 #define	DBF_ALERT	1	/* action must be taken immediately	*/
@@ -281,6 +284,8 @@ struct dasd_discipline {
 	dasd_erp_fn_t(*erp_postaction) (struct dasd_ccw_req *);
 	void (*dump_sense) (struct dasd_device *, struct dasd_ccw_req *,
 			    struct irb *);
+	void (*dump_sense_dbf) (struct dasd_device *, struct dasd_ccw_req *,
+			    struct irb *, char *);
 
 	void (*handle_unsolicited_interrupt) (struct dasd_device *,
 					      struct irb *);
@@ -626,6 +631,7 @@ struct dasd_ccw_req *dasd_alloc_erp_request(char *, int, int,
 					    struct dasd_device *);
 void dasd_free_erp_request(struct dasd_ccw_req *, struct dasd_device *);
 void dasd_log_sense(struct dasd_ccw_req *, struct irb *);
+void dasd_log_sense_dbf(struct dasd_ccw_req *cqr, struct irb *irb);
 
 /* externals in dasd_3990_erp.c */
 struct dasd_ccw_req *dasd_3990_erp_action(struct dasd_ccw_req *);

drivers/s390/block/dasd_ioctl.c

@@ -9,6 +9,9 @@
  *
  * i/o controls for the dasd driver.
  */
+
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/interrupt.h>
 #include <linux/major.h>
 #include <linux/fs.h>
@@ -94,7 +97,8 @@ static int dasd_ioctl_quiesce(struct dasd_block *block)
 	if (!capable (CAP_SYS_ADMIN))
 		return -EACCES;
 
-	DEV_MESSAGE(KERN_DEBUG, base, "%s", "Quiesce IO on device");
+	dev_info(&base->cdev->dev, "The DASD has been put in the quiesce "
+		 "state\n");
 	spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
 	base->stopped |= DASD_STOPPED_QUIESCE;
 	spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
@@ -103,7 +107,7 @@ static int dasd_ioctl_quiesce(struct dasd_block *block)
 
 
 /*
- * Quiesce device.
+ * Resume device.
  */
 static int dasd_ioctl_resume(struct dasd_block *block)
 {
@@ -114,7 +118,8 @@ static int dasd_ioctl_resume(struct dasd_block *block)
 	if (!capable (CAP_SYS_ADMIN))
 		return -EACCES;
 
-	DEV_MESSAGE(KERN_DEBUG, base, "%s", "resume IO on device");
+	dev_info(&base->cdev->dev, "I/O operations have been resumed "
+		 "on the DASD\n");
 	spin_lock_irqsave(get_ccwdev_lock(base->cdev), flags);
 	base->stopped &= ~DASD_STOPPED_QUIESCE;
 	spin_unlock_irqrestore(get_ccwdev_lock(base->cdev), flags);
@@ -140,8 +145,8 @@ static int dasd_format(struct dasd_block *block, struct format_data_t *fdata)
 		return -EPERM;
 
 	if (base->state != DASD_STATE_BASIC) {
-		DEV_MESSAGE(KERN_WARNING, base, "%s",
-			    "dasd_format: device is not disabled! ");
+		dev_warn(&base->cdev->dev,
+			 "The DASD cannot be formatted while it is enabled\n");
 		return -EBUSY;
 	}
 
@@ -169,10 +174,9 @@ static int dasd_format(struct dasd_block *block, struct format_data_t *fdata)
 		dasd_sfree_request(cqr, cqr->memdev);
 		if (rc) {
 			if (rc != -ERESTARTSYS)
-				DEV_MESSAGE(KERN_ERR, base,
-					    " Formatting of unit %u failed "
-					    "with rc = %d",
-					    fdata->start_unit, rc);
+				dev_err(&base->cdev->dev,
+					"Formatting unit %d failed with "
+					"rc=%d\n", fdata->start_unit, rc);
 			return rc;
 		}
 		fdata->start_unit++;
@@ -199,8 +203,9 @@ dasd_ioctl_format(struct block_device *bdev, void __user *argp)
 	if (copy_from_user(&fdata, argp, sizeof(struct format_data_t)))
 		return -EFAULT;
 	if (bdev != bdev->bd_contains) {
-		DEV_MESSAGE(KERN_WARNING, block->base, "%s",
-			    "Cannot low-level format a partition");
+		dev_warn(&block->base->cdev->dev,
+			 "The specified DASD is a partition and cannot be "
+			 "formatted\n");
 		return -EINVAL;
 	}
 	return dasd_format(block, &fdata);

drivers/s390/block/dasd_proc.c

@@ -11,6 +11,8 @@
  *
  */
 
+#define KMSG_COMPONENT "dasd"
+
 #include <linux/ctype.h>
 #include <linux/seq_file.h>
 #include <linux/vmalloc.h>
@@ -267,7 +269,7 @@ dasd_statistics_write(struct file *file, const char __user *user_buf,
 	buffer = dasd_get_user_string(user_buf, user_len);
 	if (IS_ERR(buffer))
 		return PTR_ERR(buffer);
-	MESSAGE_LOG(KERN_INFO, "/proc/dasd/statictics: '%s'", buffer);
+	DBF_EVENT(DBF_DEBUG, "/proc/dasd/statictics: '%s'\n", buffer);
 
 	/* check for valid verbs */
 	for (str = buffer; isspace(*str); str++);
@@ -277,33 +279,33 @@ dasd_statistics_write(struct file *file, const char __user *user_buf,
 		if (strcmp(str, "on") == 0) {
 			/* switch on statistics profiling */
 			dasd_profile_level = DASD_PROFILE_ON;
-			MESSAGE(KERN_INFO, "%s", "Statistics switched on");
+			pr_info("The statistics feature has been switched "
+				"on\n");
 		} else if (strcmp(str, "off") == 0) {
 			/* switch off and reset statistics profiling */
 			memset(&dasd_global_profile,
 			       0, sizeof (struct dasd_profile_info_t));
 			dasd_profile_level = DASD_PROFILE_OFF;
-			MESSAGE(KERN_INFO, "%s", "Statistics switched off");
+			pr_info("The statistics feature has been switched "
+				"off\n");
 		} else
 			goto out_error;
 	} else if (strncmp(str, "reset", 5) == 0) {
 		/* reset the statistics */
 		memset(&dasd_global_profile, 0,
 		       sizeof (struct dasd_profile_info_t));
-		MESSAGE(KERN_INFO, "%s", "Statistics reset");
+		pr_info("The statistics have been reset\n");
 	} else
 		goto out_error;
 	kfree(buffer);
 	return user_len;
 out_error:
-	MESSAGE(KERN_WARNING, "%s",
-		"/proc/dasd/statistics: only 'set on', 'set off' "
-		"and 'reset' are supported verbs");
+	pr_warning("%s is not a supported value for /proc/dasd/statistics\n",
+		str);
 	kfree(buffer);
 	return -EINVAL;
 #else
-	MESSAGE(KERN_WARNING, "%s",
-		"/proc/dasd/statistics: is not activated in this kernel");
+	pr_warning("/proc/dasd/statistics: is not activated in this kernel\n");
 	return user_len;
 #endif				/* CONFIG_DASD_PROFILE */
 }