[SCSI] zfcp: Update dbf calls

Change the dbf data and functions to use the zfcp_dbf prefix
throughout the code. Also change the calls to dbf to use zfcp_dbf
instead of zfcp_adapter.

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>

1 files changed, 192 insertions, 216 deletions

diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 3179b08bda6a..c066428b2878 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -120,9 +120,9 @@ static int zfcp_dbf_view_header(debug_info_t *id, struct debug_view *view,
 	return p - out_buf;
 }
 
-void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level,
-				      struct zfcp_fsf_req *fsf_req,
-				      struct zfcp_dbf *dbf)
+void _zfcp_dbf_hba_fsf_response(const char *tag2, int level,
+				struct zfcp_fsf_req *fsf_req,
+				struct zfcp_dbf *dbf)
 {
 	struct fsf_qtcb *qtcb = fsf_req->qtcb;
 	union fsf_prot_status_qual *prot_status_qual =
@@ -132,11 +132,11 @@ void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level,
 	struct zfcp_port *port;
 	struct zfcp_unit *unit;
 	struct zfcp_send_els *send_els;
-	struct zfcp_hba_dbf_record *rec = &dbf->hba_dbf_buf;
-	struct zfcp_hba_dbf_record_response *response = &rec->u.response;
+	struct zfcp_dbf_hba_record *rec = &dbf->hba_buf;
+	struct zfcp_dbf_hba_record_response *response = &rec->u.response;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->hba_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->hba_lock, flags);
 	memset(rec, 0, sizeof(*rec));
 	strncpy(rec->tag, "resp", ZFCP_DBF_TAG_SIZE);
 	strncpy(rec->tag2, tag2, ZFCP_DBF_TAG_SIZE);
@@ -203,7 +203,7 @@ void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level,
 		break;
 	}
 
-	debug_event(dbf->hba_dbf, level, rec, sizeof(*rec));
+	debug_event(dbf->hba, level, rec, sizeof(*rec));
 
 	/* have fcp channel microcode fixed to use as little as possible */
 	if (fsf_req->fsf_command != FSF_QTCB_FCP_CMND) {
@@ -211,27 +211,25 @@ void _zfcp_hba_dbf_event_fsf_response(const char *tag2, int level,
 		char *buf = (char *)qtcb + qtcb->header.log_start;
 		int len = qtcb->header.log_length;
 		for (; len && !buf[len - 1]; len--);
-		zfcp_dbf_hexdump(dbf->hba_dbf, rec, sizeof(*rec), level, buf,
+		zfcp_dbf_hexdump(dbf->hba, rec, sizeof(*rec), level, buf,
 				 len);
 	}
 
-	spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags);
+	spin_unlock_irqrestore(&dbf->hba_lock, flags);
 }
 
-void _zfcp_hba_dbf_event_fsf_unsol(const char *tag, int level,
-				   struct zfcp_adapter *adapter,
-				   struct fsf_status_read_buffer *status_buffer)
+void _zfcp_dbf_hba_fsf_unsol(const char *tag, int level, struct zfcp_dbf *dbf,
+			     struct fsf_status_read_buffer *status_buffer)
 {
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_hba_dbf_record *rec = &dbf->hba_dbf_buf;
+	struct zfcp_dbf_hba_record *rec = &dbf->hba_buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->hba_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->hba_lock, flags);
 	memset(rec, 0, sizeof(*rec));
 	strncpy(rec->tag, "stat", ZFCP_DBF_TAG_SIZE);
 	strncpy(rec->tag2, tag, ZFCP_DBF_TAG_SIZE);
 
-	rec->u.status.failed = atomic_read(&adapter->stat_miss);
+	rec->u.status.failed = atomic_read(&dbf->adapter->stat_miss);
 	if (status_buffer != NULL) {
 		rec->u.status.status_type = status_buffer->status_type;
 		rec->u.status.status_subtype = status_buffer->status_subtype;
@@ -268,58 +266,54 @@ void _zfcp_hba_dbf_event_fsf_unsol(const char *tag, int level,
 		       &status_buffer->payload, rec->u.status.payload_size);
 	}
 
-	debug_event(dbf->hba_dbf, level, rec, sizeof(*rec));
-	spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags);
+	debug_event(dbf->hba, level, rec, sizeof(*rec));
+	spin_unlock_irqrestore(&dbf->hba_lock, flags);
 }
 
 /**
- * zfcp_hba_dbf_event_qdio - trace event for QDIO related failure
+ * zfcp_dbf_hba_qdio - trace event for QDIO related failure
  * @qdio: qdio structure affected by this QDIO related event
  * @qdio_error: as passed by qdio module
  * @sbal_index: first buffer with error condition, as passed by qdio module
  * @sbal_count: number of buffers affected, as passed by qdio module
  */
-void zfcp_hba_dbf_event_qdio(struct zfcp_qdio *qdio,
-			     unsigned int qdio_error, int sbal_index,
-			     int sbal_count)
+void zfcp_dbf_hba_qdio(struct zfcp_dbf *dbf, unsigned int qdio_error,
+		       int sbal_index, int sbal_count)
 {
-	struct zfcp_dbf *dbf = qdio->adapter->dbf;
-	struct zfcp_hba_dbf_record *r = &dbf->hba_dbf_buf;
+	struct zfcp_dbf_hba_record *r = &dbf->hba_buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->hba_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->hba_lock, flags);
 	memset(r, 0, sizeof(*r));
 	strncpy(r->tag, "qdio", ZFCP_DBF_TAG_SIZE);
 	r->u.qdio.qdio_error = qdio_error;
 	r->u.qdio.sbal_index = sbal_index;
 	r->u.qdio.sbal_count = sbal_count;
-	debug_event(dbf->hba_dbf, 0, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags);
+	debug_event(dbf->hba, 0, r, sizeof(*r));
+	spin_unlock_irqrestore(&dbf->hba_lock, flags);
 }
 
 /**
- * zfcp_hba_dbf_event_berr - trace event for bit error threshold
- * @adapter: adapter affected by this QDIO related event
+ * zfcp_dbf_hba_berr - trace event for bit error threshold
+ * @dbf: dbf structure affected by this QDIO related event
  * @req: fsf request
  */
-void zfcp_hba_dbf_event_berr(struct zfcp_adapter *adapter,
-			     struct zfcp_fsf_req *req)
+void zfcp_dbf_hba_berr(struct zfcp_dbf *dbf, struct zfcp_fsf_req *req)
 {
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_hba_dbf_record *r = &dbf->hba_dbf_buf;
+	struct zfcp_dbf_hba_record *r = &dbf->hba_buf;
 	struct fsf_status_read_buffer *sr_buf = req->data;
 	struct fsf_bit_error_payload *err = &sr_buf->payload.bit_error;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->hba_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->hba_lock, flags);
 	memset(r, 0, sizeof(*r));
 	strncpy(r->tag, "berr", ZFCP_DBF_TAG_SIZE);
 	memcpy(&r->u.berr, err, sizeof(struct fsf_bit_error_payload));
-	debug_event(dbf->hba_dbf, 0, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->hba_dbf_lock, flags);
+	debug_event(dbf->hba, 0, r, sizeof(*r));
+	spin_unlock_irqrestore(&dbf->hba_lock, flags);
 }
-static void zfcp_hba_dbf_view_response(char **p,
-				       struct zfcp_hba_dbf_record_response *r)
+static void zfcp_dbf_hba_view_response(char **p,
+				       struct zfcp_dbf_hba_record_response *r)
 {
 	struct timespec t;
 
@@ -380,8 +374,8 @@ static void zfcp_hba_dbf_view_response(char **p,
 	}
 }
 
-static void zfcp_hba_dbf_view_status(char **p,
-				     struct zfcp_hba_dbf_record_status *r)
+static void zfcp_dbf_hba_view_status(char **p,
+				     struct zfcp_dbf_hba_record_status *r)
 {
 	zfcp_dbf_out(p, "failed", "0x%02x", r->failed);
 	zfcp_dbf_out(p, "status_type", "0x%08x", r->status_type);
@@ -393,14 +387,14 @@ static void zfcp_hba_dbf_view_status(char **p,
 		      r->payload_size);
 }
 
-static void zfcp_hba_dbf_view_qdio(char **p, struct zfcp_hba_dbf_record_qdio *r)
+static void zfcp_dbf_hba_view_qdio(char **p, struct zfcp_dbf_hba_record_qdio *r)
 {
 	zfcp_dbf_out(p, "qdio_error", "0x%08x", r->qdio_error);
 	zfcp_dbf_out(p, "sbal_index", "0x%02x", r->sbal_index);
 	zfcp_dbf_out(p, "sbal_count", "0x%02x", r->sbal_count);
 }
 
-static void zfcp_hba_dbf_view_berr(char **p, struct fsf_bit_error_payload *r)
+static void zfcp_dbf_hba_view_berr(char **p, struct fsf_bit_error_payload *r)
 {
 	zfcp_dbf_out(p, "link_failures", "%d", r->link_failure_error_count);
 	zfcp_dbf_out(p, "loss_of_sync_err", "%d", r->loss_of_sync_error_count);
@@ -424,10 +418,10 @@ static void zfcp_hba_dbf_view_berr(char **p, struct fsf_bit_error_payload *r)
 		     r->current_transmit_b2b_credit);
 }
 
-static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view,
+static int zfcp_dbf_hba_view_format(debug_info_t *id, struct debug_view *view,
 				    char *out_buf, const char *in_buf)
 {
-	struct zfcp_hba_dbf_record *r = (struct zfcp_hba_dbf_record *)in_buf;
+	struct zfcp_dbf_hba_record *r = (struct zfcp_dbf_hba_record *)in_buf;
 	char *p = out_buf;
 
 	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
@@ -438,45 +432,42 @@ static int zfcp_hba_dbf_view_format(debug_info_t *id, struct debug_view *view,
 		zfcp_dbf_tag(&p, "tag2", r->tag2);
 
 	if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_hba_dbf_view_response(&p, &r->u.response);
+		zfcp_dbf_hba_view_response(&p, &r->u.response);
 	else if (strncmp(r->tag, "stat", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_hba_dbf_view_status(&p, &r->u.status);
+		zfcp_dbf_hba_view_status(&p, &r->u.status);
 	else if (strncmp(r->tag, "qdio", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_hba_dbf_view_qdio(&p, &r->u.qdio);
+		zfcp_dbf_hba_view_qdio(&p, &r->u.qdio);
 	else if (strncmp(r->tag, "berr", ZFCP_DBF_TAG_SIZE) == 0)
-		zfcp_hba_dbf_view_berr(&p, &r->u.berr);
+		zfcp_dbf_hba_view_berr(&p, &r->u.berr);
 
 	if (strncmp(r->tag, "resp", ZFCP_DBF_TAG_SIZE) != 0)
 		p += sprintf(p, "\n");
 	return p - out_buf;
 }
 
-static struct debug_view zfcp_hba_dbf_view = {
-	"structured",
-	NULL,
-	&zfcp_dbf_view_header,
-	&zfcp_hba_dbf_view_format,
-	NULL,
-	NULL
+static struct debug_view zfcp_dbf_hba_view = {
+	.name = "structured",
+	.header_proc = zfcp_dbf_view_header,
+	.format_proc = zfcp_dbf_hba_view_format,
 };
 
-static const char *zfcp_rec_dbf_tags[] = {
+static const char *zfcp_dbf_rec_tags[] = {
 	[ZFCP_REC_DBF_ID_THREAD] = "thread",
 	[ZFCP_REC_DBF_ID_TARGET] = "target",
 	[ZFCP_REC_DBF_ID_TRIGGER] = "trigger",
 	[ZFCP_REC_DBF_ID_ACTION] = "action",
 };
 
-static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
+static int zfcp_dbf_rec_view_format(debug_info_t *id, struct debug_view *view,
 				    char *buf, const char *_rec)
 {
-	struct zfcp_rec_dbf_record *r = (struct zfcp_rec_dbf_record *)_rec;
+	struct zfcp_dbf_rec_record *r = (struct zfcp_dbf_rec_record *)_rec;
 	char *p = buf;
 	char hint[ZFCP_DBF_ID_SIZE + 1];
 
 	memcpy(hint, r->id2, ZFCP_DBF_ID_SIZE);
 	hint[ZFCP_DBF_ID_SIZE] = 0;
-	zfcp_dbf_outs(&p, "tag", zfcp_rec_dbf_tags[r->id]);
+	zfcp_dbf_outs(&p, "tag", zfcp_dbf_rec_tags[r->id]);
 	zfcp_dbf_outs(&p, "hint", hint);
 	switch (r->id) {
 	case ZFCP_REC_DBF_ID_THREAD:
@@ -514,25 +505,22 @@ static int zfcp_rec_dbf_view_format(debug_info_t *id, struct debug_view *view,
 	return p - buf;
 }
 
-static struct debug_view zfcp_rec_dbf_view = {
-	"structured",
-	NULL,
-	&zfcp_dbf_view_header,
-	&zfcp_rec_dbf_view_format,
-	NULL,
-	NULL
+static struct debug_view zfcp_dbf_rec_view = {
+	.name = "structured",
+	.header_proc = zfcp_dbf_view_header,
+	.format_proc = zfcp_dbf_rec_view_format,
 };
 
 /**
- * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation
+ * zfcp_dbf_rec_thread - trace event related to recovery thread operation
  * @id2: identifier for event
- * @adapter: adapter
+ * @dbf: reference to dbf structure
  * This function assumes that the caller is holding erp_lock.
  */
-void zfcp_rec_dbf_event_thread(char *id2, struct zfcp_adapter *adapter)
+void zfcp_dbf_rec_thread(char *id2, struct zfcp_dbf *dbf)
 {
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf;
+	struct zfcp_adapter *adapter = dbf->adapter;
+	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
 	unsigned long flags = 0;
 	struct list_head *entry;
 	unsigned ready = 0, running = 0, total;
@@ -543,42 +531,41 @@ void zfcp_rec_dbf_event_thread(char *id2, struct zfcp_adapter *adapter)
 		running++;
 	total = adapter->erp_total_count;
 
-	spin_lock_irqsave(&dbf->rec_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->rec_lock, flags);
 	memset(r, 0, sizeof(*r));
 	r->id = ZFCP_REC_DBF_ID_THREAD;
 	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
 	r->u.thread.total = total;
 	r->u.thread.ready = ready;
 	r->u.thread.running = running;
-	debug_event(dbf->rec_dbf, 6, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags);
+	debug_event(dbf->rec, 6, r, sizeof(*r));
+	spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }
 
 /**
- * zfcp_rec_dbf_event_thread - trace event related to recovery thread operation
+ * zfcp_dbf_rec_thread - trace event related to recovery thread operation
  * @id2: identifier for event
  * @adapter: adapter
  * This function assumes that the caller does not hold erp_lock.
  */
-void zfcp_rec_dbf_event_thread_lock(char *id2, struct zfcp_adapter *adapter)
+void zfcp_dbf_rec_thread_lock(char *id2, struct zfcp_dbf *dbf)
 {
+	struct zfcp_adapter *adapter = dbf->adapter;
 	unsigned long flags;
 
 	read_lock_irqsave(&adapter->erp_lock, flags);
-	zfcp_rec_dbf_event_thread(id2, adapter);
+	zfcp_dbf_rec_thread(id2, dbf);
 	read_unlock_irqrestore(&adapter->erp_lock, flags);
 }
 
-static void zfcp_rec_dbf_event_target(char *id2, void *ref,
-				      struct zfcp_adapter *adapter,
-				      atomic_t *status, atomic_t *erp_count,
-				      u64 wwpn, u32 d_id, u64 fcp_lun)
+static void zfcp_dbf_rec_target(char *id2, void *ref, struct zfcp_dbf *dbf,
+				atomic_t *status, atomic_t *erp_count, u64 wwpn,
+				u32 d_id, u64 fcp_lun)
 {
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf;
+	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->rec_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->rec_lock, flags);
 	memset(r, 0, sizeof(*r));
 	r->id = ZFCP_REC_DBF_ID_TARGET;
 	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
@@ -588,56 +575,57 @@ static void zfcp_rec_dbf_event_target(char *id2, void *ref,
 	r->u.target.d_id = d_id;
 	r->u.target.fcp_lun = fcp_lun;
 	r->u.target.erp_count = atomic_read(erp_count);
-	debug_event(dbf->rec_dbf, 3, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags);
+	debug_event(dbf->rec, 3, r, sizeof(*r));
+	spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }
 
 /**
- * zfcp_rec_dbf_event_adapter - trace event for adapter state change
+ * zfcp_dbf_rec_adapter - trace event for adapter state change
  * @id: identifier for trigger of state change
  * @ref: additional reference (e.g. request)
- * @adapter: adapter
+ * @dbf: reference to dbf structure
  */
-void zfcp_rec_dbf_event_adapter(char *id, void *ref,
-				struct zfcp_adapter *adapter)
+void zfcp_dbf_rec_adapter(char *id, void *ref, struct zfcp_dbf *dbf)
 {
-	zfcp_rec_dbf_event_target(id, ref, adapter, &adapter->status,
+	struct zfcp_adapter *adapter = dbf->adapter;
+
+	zfcp_dbf_rec_target(id, ref, dbf, &adapter->status,
 				  &adapter->erp_counter, 0, 0, 0);
 }
 
 /**
- * zfcp_rec_dbf_event_port - trace event for port state change
+ * zfcp_dbf_rec_port - trace event for port state change
  * @id: identifier for trigger of state change
  * @ref: additional reference (e.g. request)
  * @port: port
  */
-void zfcp_rec_dbf_event_port(char *id, void *ref, struct zfcp_port *port)
+void zfcp_dbf_rec_port(char *id, void *ref, struct zfcp_port *port)
 {
-	struct zfcp_adapter *adapter = port->adapter;
+	struct zfcp_dbf *dbf = port->adapter->dbf;
 
-	zfcp_rec_dbf_event_target(id, ref, adapter, &port->status,
+	zfcp_dbf_rec_target(id, ref, dbf, &port->status,
 				  &port->erp_counter, port->wwpn, port->d_id,
 				  0);
 }
 
 /**
- * zfcp_rec_dbf_event_unit - trace event for unit state change
+ * zfcp_dbf_rec_unit - trace event for unit state change
  * @id: identifier for trigger of state change
  * @ref: additional reference (e.g. request)
  * @unit: unit
  */
-void zfcp_rec_dbf_event_unit(char *id, void *ref, struct zfcp_unit *unit)
+void zfcp_dbf_rec_unit(char *id, void *ref, struct zfcp_unit *unit)
 {
 	struct zfcp_port *port = unit->port;
-	struct zfcp_adapter *adapter = port->adapter;
+	struct zfcp_dbf *dbf = port->adapter->dbf;
 
-	zfcp_rec_dbf_event_target(id, ref, adapter, &unit->status,
+	zfcp_dbf_rec_target(id, ref, dbf, &unit->status,
 				  &unit->erp_counter, port->wwpn, port->d_id,
 				  unit->fcp_lun);
 }
 
 /**
- * zfcp_rec_dbf_event_trigger - trace event for triggered error recovery
+ * zfcp_dbf_rec_trigger - trace event for triggered error recovery
  * @id2: identifier for error recovery trigger
  * @ref: additional reference (e.g. request)
  * @want: originally requested error recovery action
@@ -647,15 +635,15 @@ void zfcp_rec_dbf_event_unit(char *id, void *ref, struct zfcp_unit *unit)
  * @port: port
  * @unit: unit
  */
-void zfcp_rec_dbf_event_trigger(char *id2, void *ref, u8 want, u8 need,
-				void *action, struct zfcp_adapter *adapter,
-				struct zfcp_port *port, struct zfcp_unit *unit)
+void zfcp_dbf_rec_trigger(char *id2, void *ref, u8 want, u8 need, void *action,
+			  struct zfcp_adapter *adapter, struct zfcp_port *port,
+			  struct zfcp_unit *unit)
 {
 	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf;
+	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->rec_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->rec_lock, flags);
 	memset(r, 0, sizeof(*r));
 	r->id = ZFCP_REC_DBF_ID_TRIGGER;
 	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
@@ -672,23 +660,22 @@ void zfcp_rec_dbf_event_trigger(char *id2, void *ref, u8 want, u8 need,
 		r->u.trigger.us = atomic_read(&unit->status);
 		r->u.trigger.fcp_lun = unit->fcp_lun;
 	}
-	debug_event(dbf->rec_dbf, action ? 1 : 4, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags);
+	debug_event(dbf->rec, action ? 1 : 4, r, sizeof(*r));
+	spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }
 
 /**
- * zfcp_rec_dbf_event_action - trace event showing progress of recovery action
+ * zfcp_dbf_rec_action - trace event showing progress of recovery action
  * @id2: identifier
  * @erp_action: error recovery action struct pointer
  */
-void zfcp_rec_dbf_event_action(char *id2, struct zfcp_erp_action *erp_action)
+void zfcp_dbf_rec_action(char *id2, struct zfcp_erp_action *erp_action)
 {
-	struct zfcp_adapter *adapter = erp_action->adapter;
-	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_rec_dbf_record *r = &dbf->rec_dbf_buf;
+	struct zfcp_dbf *dbf = erp_action->adapter->dbf;
+	struct zfcp_dbf_rec_record *r = &dbf->rec_buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->rec_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->rec_lock, flags);
 	memset(r, 0, sizeof(*r));
 	r->id = ZFCP_REC_DBF_ID_ACTION;
 	memcpy(r->id2, id2, ZFCP_DBF_ID_SIZE);
@@ -696,27 +683,27 @@ void zfcp_rec_dbf_event_action(char *id2, struct zfcp_erp_action *erp_action)
 	r->u.action.status = erp_action->status;
 	r->u.action.step = erp_action->step;
 	r->u.action.fsf_req = (unsigned long)erp_action->fsf_req;
-	debug_event(dbf->rec_dbf, 5, r, sizeof(*r));
-	spin_unlock_irqrestore(&dbf->rec_dbf_lock, flags);
+	debug_event(dbf->rec, 5, r, sizeof(*r));
+	spin_unlock_irqrestore(&dbf->rec_lock, flags);
 }
 
 /**
- * zfcp_san_dbf_event_ct_request - trace event for issued CT request
+ * zfcp_dbf_san_ct_request - trace event for issued CT request
  * @fsf_req: request containing issued CT data
  */
-void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_ct_request(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
 	struct zfcp_wka_port *wka_port = ct->wka_port;
 	struct zfcp_adapter *adapter = wka_port->adapter;
 	struct zfcp_dbf *dbf = adapter->dbf;
 	struct ct_hdr *hdr = sg_virt(ct->req);
-	struct zfcp_san_dbf_record *r = &dbf->san_dbf_buf;
-	struct zfcp_san_dbf_record_ct_request *oct = &r->u.ct_req;
+	struct zfcp_dbf_san_record *r = &dbf->san_buf;
+	struct zfcp_dbf_san_record_ct_request *oct = &r->u.ct_req;
 	int level = 3;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->san_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->san_lock, flags);
 	memset(r, 0, sizeof(*r));
 	strncpy(r->tag, "octc", ZFCP_DBF_TAG_SIZE);
 	r->fsf_reqid = fsf_req->req_id;
@@ -731,29 +718,29 @@ void zfcp_san_dbf_event_ct_request(struct zfcp_fsf_req *fsf_req)
 	oct->max_res_size = hdr->max_res_size;
 	oct->len = min((int)ct->req->length - (int)sizeof(struct ct_hdr),
 		       ZFCP_DBF_SAN_MAX_PAYLOAD);
-	debug_event(dbf->san_dbf, level, r, sizeof(*r));
-	zfcp_dbf_hexdump(dbf->san_dbf, r, sizeof(*r), level,
+	debug_event(dbf->san, level, r, sizeof(*r));
+	zfcp_dbf_hexdump(dbf->san, r, sizeof(*r), level,
 			 (void *)hdr + sizeof(struct ct_hdr), oct->len);
-	spin_unlock_irqrestore(&dbf->san_dbf_lock, flags);
+	spin_unlock_irqrestore(&dbf->san_lock, flags);
 }
 
 /**
- * zfcp_san_dbf_event_ct_response - trace event for completion of CT request
+ * zfcp_dbf_san_ct_response - trace event for completion of CT request
  * @fsf_req: request containing CT response
  */
-void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_ct_response(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_ct *ct = (struct zfcp_send_ct *)fsf_req->data;
 	struct zfcp_wka_port *wka_port = ct->wka_port;
 	struct zfcp_adapter *adapter = wka_port->adapter;
 	struct ct_hdr *hdr = sg_virt(ct->resp);
 	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_san_dbf_record *r = &dbf->san_dbf_buf;
-	struct zfcp_san_dbf_record_ct_response *rct = &r->u.ct_resp;
+	struct zfcp_dbf_san_record *r = &dbf->san_buf;
+	struct zfcp_dbf_san_record_ct_response *rct = &r->u.ct_resp;
 	int level = 3;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->san_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->san_lock, flags);
 	memset(r, 0, sizeof(*r));
 	strncpy(r->tag, "rctc", ZFCP_DBF_TAG_SIZE);
 	r->fsf_reqid = fsf_req->req_id;
@@ -768,23 +755,22 @@ void zfcp_san_dbf_event_ct_response(struct zfcp_fsf_req *fsf_req)
 	rct->max_res_size = hdr->max_res_size;
 	rct->len = min((int)ct->resp->length - (int)sizeof(struct ct_hdr),
 		       ZFCP_DBF_SAN_MAX_PAYLOAD);
-	debug_event(dbf->san_dbf, level, r, sizeof(*r));
-	zfcp_dbf_hexdump(dbf->san_dbf, r, sizeof(*r), level,
+	debug_event(dbf->san, level, r, sizeof(*r));
+	zfcp_dbf_hexdump(dbf->san, r, sizeof(*r), level,
 			 (void *)hdr + sizeof(struct ct_hdr), rct->len);
-	spin_unlock_irqrestore(&dbf->san_dbf_lock, flags);
+	spin_unlock_irqrestore(&dbf->san_lock, flags);
 }
 
-static void zfcp_san_dbf_event_els(const char *tag, int level,
-				   struct zfcp_fsf_req *fsf_req, u32 s_id,
-				   u32 d_id, u8 ls_code, void *buffer,
-				   int buflen)
+static void zfcp_dbf_san_els(const char *tag, int level,
+			     struct zfcp_fsf_req *fsf_req, u32 s_id, u32 d_id,
+			     u8 ls_code, void *buffer, int buflen)
 {
 	struct zfcp_adapter *adapter = fsf_req->adapter;
 	struct zfcp_dbf *dbf = adapter->dbf;
-	struct zfcp_san_dbf_record *rec = &dbf->san_dbf_buf;
+	struct zfcp_dbf_san_record *rec = &dbf->san_buf;
 	unsigned long flags;
 
-	spin_lock_irqsave(&dbf->san_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->san_lock, flags);
 	memset(rec, 0, sizeof(*rec));
 	strncpy(rec->tag, tag, ZFCP_DBF_TAG_SIZE);
 	rec->fsf_reqid = fsf_req->req_id;
@@ -792,45 +778,45 @@ static void zfcp_san_dbf_event_els(const char *tag, int level,
 	rec->s_id = s_id;
 	rec->d_id = d_id;
 	rec->u.els.ls_code = ls_code;
-	debug_event(dbf->san_dbf, level, rec, sizeof(*rec));
-	zfcp_dbf_hexdump(dbf->san_dbf, rec, sizeof(*rec), level,
+	debug_event(dbf->san, level, rec, sizeof(*rec));
+	zfcp_dbf_hexdump(dbf->san, rec, sizeof(*rec), level,
 			 buffer, min(buflen, ZFCP_DBF_SAN_MAX_PAYLOAD));
-	spin_unlock_irqrestore(&dbf->san_dbf_lock, flags);
+	spin_unlock_irqrestore(&dbf->san_lock, flags);
 }
 
 /**
- * zfcp_san_dbf_event_els_request - trace event for issued ELS
+ * zfcp_dbf_san_els_request - trace event for issued ELS
  * @fsf_req: request containing issued ELS
  */
-void zfcp_san_dbf_event_els_request(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_els_request(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
 
-	zfcp_san_dbf_event_els("oels", 2, fsf_req,
+	zfcp_dbf_san_els("oels", 2, fsf_req,
 			       fc_host_port_id(els->adapter->scsi_host),
 			       els->d_id, *(u8 *) sg_virt(els->req),
 			       sg_virt(els->req), els->req->length);
 }
 
 /**
- * zfcp_san_dbf_event_els_response - trace event for completed ELS
+ * zfcp_dbf_san_els_response - trace event for completed ELS
  * @fsf_req: request containing ELS response
  */
-void zfcp_san_dbf_event_els_response(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_els_response(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_send_els *els = (struct zfcp_send_els *)fsf_req->data;
 
-	zfcp_san_dbf_event_els("rels", 2, fsf_req, els->d_id,
+	zfcp_dbf_san_els("rels", 2, fsf_req, els->d_id,
 			       fc_host_port_id(els->adapter->scsi_host),
 			       *(u8 *)sg_virt(els->req), sg_virt(els->resp),
 			       els->resp->length);
 }
 
 /**
- * zfcp_san_dbf_event_incoming_els - trace event for incomig ELS
+ * zfcp_dbf_san_incoming_els - trace event for incomig ELS
  * @fsf_req: request containing unsolicited status buffer with incoming ELS
  */
-void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
+void zfcp_dbf_san_incoming_els(struct zfcp_fsf_req *fsf_req)
 {
 	struct zfcp_adapter *adapter = fsf_req->adapter;
 	struct fsf_status_read_buffer *buf =
@@ -838,16 +824,16 @@ void zfcp_san_dbf_event_incoming_els(struct zfcp_fsf_req *fsf_req)
 	int length = (int)buf->length -
 		     (int)((void *)&buf->payload - (void *)buf);
 
-	zfcp_san_dbf_event_els("iels", 1, fsf_req, buf->d_id,
+	zfcp_dbf_san_els("iels", 1, fsf_req, buf->d_id,
 			       fc_host_port_id(adapter->scsi_host),
 			       buf->payload.data[0], (void *)buf->payload.data,
 			       length);
 }
 
-static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
+static int zfcp_dbf_san_view_format(debug_info_t *id, struct debug_view *view,
 				    char *out_buf, const char *in_buf)
 {
-	struct zfcp_san_dbf_record *r = (struct zfcp_san_dbf_record *)in_buf;
+	struct zfcp_dbf_san_record *r = (struct zfcp_dbf_san_record *)in_buf;
 	char *p = out_buf;
 
 	if (strncmp(r->tag, "dump", ZFCP_DBF_TAG_SIZE) == 0)
@@ -860,7 +846,7 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
 	zfcp_dbf_out(&p, "d_id", "0x%06x", r->d_id);
 
 	if (strncmp(r->tag, "octc", ZFCP_DBF_TAG_SIZE) == 0) {
-		struct zfcp_san_dbf_record_ct_request *ct = &r->u.ct_req;
+		struct zfcp_dbf_san_record_ct_request *ct = &r->u.ct_req;
 		zfcp_dbf_out(&p, "cmd_req_code", "0x%04x", ct->cmd_req_code);
 		zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
 		zfcp_dbf_out(&p, "gs_type", "0x%02x", ct->gs_type);
@@ -868,7 +854,7 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
 		zfcp_dbf_out(&p, "options", "0x%02x", ct->options);
 		zfcp_dbf_out(&p, "max_res_size", "0x%04x", ct->max_res_size);
 	} else if (strncmp(r->tag, "rctc", ZFCP_DBF_TAG_SIZE) == 0) {
-		struct zfcp_san_dbf_record_ct_response *ct = &r->u.ct_resp;
+		struct zfcp_dbf_san_record_ct_response *ct = &r->u.ct_resp;
 		zfcp_dbf_out(&p, "cmd_rsp_code", "0x%04x", ct->cmd_rsp_code);
 		zfcp_dbf_out(&p, "revision", "0x%02x", ct->revision);
 		zfcp_dbf_out(&p, "reason_code", "0x%02x", ct->reason_code);
@@ -878,34 +864,30 @@ static int zfcp_san_dbf_view_format(debug_info_t *id, struct debug_view *view,
 	} else if (strncmp(r->tag, "oels", ZFCP_DBF_TAG_SIZE) == 0 ||
 		   strncmp(r->tag, "rels", ZFCP_DBF_TAG_SIZE) == 0 ||
 		   strncmp(r->tag, "iels", ZFCP_DBF_TAG_SIZE) == 0) {
-		struct zfcp_san_dbf_record_els *els = &r->u.els;
+		struct zfcp_dbf_san_record_els *els = &r->u.els;
 		zfcp_dbf_out(&p, "ls_code", "0x%02x", els->ls_code);
 	}
 	return p - out_buf;
 }
 
-static struct debug_view zfcp_san_dbf_view = {
-	"structured",
-	NULL,
-	&zfcp_dbf_view_header,
-	&zfcp_san_dbf_view_format,
-	NULL,
-	NULL
+static struct debug_view zfcp_dbf_san_view = {
+	.name = "structured",
+	.header_proc = zfcp_dbf_view_header,
+	.format_proc = zfcp_dbf_san_view_format,
 };
 
-void _zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level,
-			  struct zfcp_dbf *dbf, struct scsi_cmnd *scsi_cmnd,
-			  struct zfcp_fsf_req *fsf_req,
-			  unsigned long old_req_id)
+void _zfcp_dbf_scsi(const char *tag, const char *tag2, int level,
+		    struct zfcp_dbf *dbf, struct scsi_cmnd *scsi_cmnd,
+		    struct zfcp_fsf_req *fsf_req, unsigned long old_req_id)
 {
-	struct zfcp_scsi_dbf_record *rec = &dbf->scsi_dbf_buf;
+	struct zfcp_dbf_scsi_record *rec = &dbf->scsi_buf;
 	struct zfcp_dbf_dump *dump = (struct zfcp_dbf_dump *)rec;
 	unsigned long flags;
 	struct fcp_rsp_iu *fcp_rsp;
 	char *fcp_rsp_info = NULL, *fcp_sns_info = NULL;
 	int offset = 0, buflen = 0;
 
-	spin_lock_irqsave(&dbf->scsi_dbf_lock, flags);
+	spin_lock_irqsave(&dbf->scsi_lock, flags);
 	do {
 		memset(rec, 0, sizeof(*rec));
 		if (offset == 0) {
@@ -959,20 +941,20 @@ void _zfcp_scsi_dbf_event(const char *tag, const char *tag2, int level,
 			dump->offset = offset;
 			dump->size = min(buflen - offset,
 					 (int)sizeof(struct
-						     zfcp_scsi_dbf_record) -
+						     zfcp_dbf_scsi_record) -
 					 (int)sizeof(struct zfcp_dbf_dump));
 			memcpy(dump->data, fcp_sns_info + offset, dump->size);
 			offset += dump->size;
 		}
-		debug_event(dbf->scsi_dbf, level, rec, sizeof(*rec));
+		debug_event(dbf->scsi, level, rec, sizeof(*rec));
 	} while (offset < buflen);
-	spin_unlock_irqrestore(&dbf->scsi_dbf_lock, flags);
+	spin_unlock_irqrestore(&dbf->scsi_lock, flags);
 }
 
-static int zfcp_scsi_dbf_view_format(debug_info_t *id, struct debug_view *view,
+static int zfcp_dbf_scsi_view_format(debug_info_t *id, struct debug_view *view,
 				     char *out_buf, const char *in_buf)
 {
-	struct zfcp_scsi_dbf_record *r = (struct zfcp_scsi_dbf_record *)in_buf;
+	struct zfcp_dbf_scsi_record *r = (struct zfcp_dbf_scsi_record *)in_buf;
 	struct timespec t;
 	char *p = out_buf;
 
@@ -1013,13 +995,10 @@ static int zfcp_scsi_dbf_view_format(debug_info_t *id, struct debug_view *view,
 	return p - out_buf;
 }
 
-static struct debug_view zfcp_scsi_dbf_view = {
-	"structured",
-	NULL,
-	&zfcp_dbf_view_header,
-	&zfcp_scsi_dbf_view_format,
-	NULL,
-	NULL
+static struct debug_view zfcp_dbf_scsi_view = {
+	.name = "structured",
+	.header_proc = zfcp_dbf_view_header,
+	.format_proc = zfcp_dbf_scsi_view_format,
 };
 
 static debug_info_t *zfcp_dbf_reg(const char *name, int level,
@@ -1043,7 +1022,7 @@ static debug_info_t *zfcp_dbf_reg(const char *name, int level,
  * @adapter: pointer to adapter for which debug features should be registered
  * return: -ENOMEM on error, 0 otherwise
  */
-int zfcp_adapter_debug_register(struct zfcp_adapter *adapter)
+int zfcp_dbf_adapter_register(struct zfcp_adapter *adapter)
 {
 	char dbf_name[DEBUG_MAX_NAME_LEN];
 	struct zfcp_dbf *dbf;
@@ -1052,63 +1031,60 @@ int zfcp_adapter_debug_register(struct zfcp_adapter *adapter)
 	if (!dbf)
 		return -ENOMEM;
 
-	spin_lock_init(&dbf->hba_dbf_lock);
-	spin_lock_init(&dbf->san_dbf_lock);
-	spin_lock_init(&dbf->scsi_dbf_lock);
-	spin_lock_init(&dbf->rec_dbf_lock);
+	dbf->adapter = adapter;
+
+	spin_lock_init(&dbf->hba_lock);
+	spin_lock_init(&dbf->san_lock);
+	spin_lock_init(&dbf->scsi_lock);
+	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_dbf = zfcp_dbf_reg(dbf_name, 3, &zfcp_rec_dbf_view,
-				    sizeof(struct zfcp_rec_dbf_record));
-	if (!dbf->rec_dbf)
-		goto fail_rec;
+	dbf->rec = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_rec_view,
+				sizeof(struct zfcp_dbf_rec_record));
+	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_dbf = zfcp_dbf_reg(dbf_name, 3, &zfcp_hba_dbf_view,
-				    sizeof(struct zfcp_hba_dbf_record));
-	if (!dbf->hba_dbf)
-		goto fail_hba;
+	dbf->hba = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_hba_view,
+				sizeof(struct zfcp_dbf_hba_record));
+	if (!dbf->hba)
+		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_dbf = zfcp_dbf_reg(dbf_name, 6, &zfcp_san_dbf_view,
-				    sizeof(struct zfcp_san_dbf_record));
-	if (!dbf->san_dbf)
-		goto fail_san;
+	dbf->san = zfcp_dbf_reg(dbf_name, 6, &zfcp_dbf_san_view,
+				sizeof(struct zfcp_dbf_san_record));
+	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_dbf = zfcp_dbf_reg(dbf_name, 3, &zfcp_scsi_dbf_view,
-				     sizeof(struct zfcp_scsi_dbf_record));
-	if (!dbf->scsi_dbf)
-		goto fail_scsi;
+	dbf->scsi = zfcp_dbf_reg(dbf_name, 3, &zfcp_dbf_scsi_view,
+				 sizeof(struct zfcp_dbf_scsi_record));
+	if (!dbf->scsi)
+		goto err_out;
 
 	adapter->dbf = dbf;
 	return 0;
 
-fail_scsi:
-	debug_unregister(dbf->san_dbf);
-fail_san:
-	debug_unregister(dbf->hba_dbf);
-fail_hba:
-	debug_unregister(dbf->rec_dbf);
-fail_rec:
-	kfree(dbf);
+err_out:
+	zfcp_dbf_adapter_unregister(dbf);
 	return -ENOMEM;
 }
 
 /**
  * zfcp_adapter_debug_unregister - unregisters debug feature for an adapter
- * @adapter: pointer to adapter for which debug features should be unregistered
+ * @dbf: pointer to dbf for which debug features should be unregistered
  */
-void zfcp_adapter_debug_unregister(struct zfcp_adapter *adapter)
+void zfcp_dbf_adapter_unregister(struct zfcp_dbf *dbf)
 {
-	debug_unregister(adapter->dbf->scsi_dbf);
-	debug_unregister(adapter->dbf->san_dbf);
-	debug_unregister(adapter->dbf->hba_dbf);
-	debug_unregister(adapter->dbf->rec_dbf);
-	kfree(adapter->dbf);
-	adapter->dbf = NULL;
+	debug_unregister(dbf->scsi);
+	debug_unregister(dbf->san);
+	debug_unregister(dbf->hba);
+	debug_unregister(dbf->rec);
+	dbf->adapter->dbf = NULL;
+	kfree(dbf);
 }
+