[SCSI] zfcp: Add trace records for recovery actions.

This patch writes trace records for various phases of a recovery action:
action being created, action being processed, action continueing
asynchronously, action gone, action timed out, action dismissed etc.

Signed-off-by: Martin Peschke <mp3@de.ibm.com>
Signed-off-by: Christof Schmitt <christof.schmitt@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 55e034b10ded..335ab70181e8 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -893,8 +893,10 @@ zfcp_erp_strategy_check_fsfreq(struct zfcp_erp_action *erp_action)
                                                  "a_ca_disreq");
                                 erp_action->fsf_req->status |=
                                         ZFCP_STATUS_FSFREQ_DISMISSED;
+                                zfcp_rec_dbf_event_action(142, erp_action);
                         }
                         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,
@@ -3162,6 +3164,8 @@ zfcp_erp_action_dequeue(struct zfcp_erp_action *erp_action)
         debug_text_event(adapter->erp_dbf, 4, "a_actdeq");
         debug_event(adapter->erp_dbf, 4, &erp_action->action, sizeof (int));
         list_del(&erp_action->list);
+        zfcp_rec_dbf_event_action(144, erp_action);
+
         switch (erp_action->action) {
         case ZFCP_ERP_ACTION_REOPEN_UNIT:
                 atomic_clear_mask(ZFCP_STATUS_COMMON_ERP_INUSE,
@@ -3305,6 +3309,7 @@ static void zfcp_erp_action_to_running(struct zfcp_erp_action *erp_action)
         debug_text_event(adapter->erp_dbf, 6, "a_toru");
         debug_event(adapter->erp_dbf, 6, &erp_action->action, sizeof (int));
         list_move(&erp_action->list, &erp_action->adapter->erp_running_head);
+        zfcp_rec_dbf_event_action(145, erp_action);
 }
 
 static void zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action)
@@ -3314,6 +3319,7 @@ static void zfcp_erp_action_to_ready(struct zfcp_erp_action *erp_action)
         debug_text_event(adapter->erp_dbf, 6, "a_tore");
         debug_event(adapter->erp_dbf, 6, &erp_action->action, sizeof (int));
         list_move(&erp_action->list, &erp_action->adapter->erp_ready_head);
+        zfcp_rec_dbf_event_action(146, erp_action);
 }
 
 void zfcp_erp_port_boxed(struct zfcp_port *port, u8 id, u64 ref)