5 files changed, 33 insertions, 17 deletions

diff --git a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
index e331df2122f7..6e9c7f33e276 100644
--- a/drivers/s390/scsi/zfcp_aux.c
+++ b/drivers/s390/scsi/zfcp_aux.c
@@ -314,7 +314,7 @@ struct zfcp_unit *zfcp_unit_enqueue(struct zfcp_port *port, u64 fcp_lun)
         }
         retval = -EINVAL;
 
-        INIT_WORK(&unit->scsi_work, zfcp_scsi_scan);
+        INIT_WORK(&unit->scsi_work, zfcp_scsi_scan_work);
 
         spin_lock_init(&unit->latencies.lock);
         unit->latencies.write.channel.min = 0xFFFFFFFF;
diff --git a/drivers/s390/scsi/zfcp_erp.c b/drivers/s390/scsi/zfcp_erp.c
index 5a71b73211df..03cd6365ed04 100644
--- a/drivers/s390/scsi/zfcp_erp.c
+++ b/drivers/s390/scsi/zfcp_erp.c
@@ -1192,12 +1192,6 @@ static void zfcp_erp_action_cleanup(struct zfcp_erp_action *act, int result)
 
         switch (act->action) {
         case ZFCP_ERP_ACTION_REOPEN_UNIT:
-                if ((result == ZFCP_ERP_SUCCEEDED) && !unit->device) {
-                        get_device(&unit->dev);
-                        if (scsi_queue_work(unit->port->adapter->scsi_host,
-                                            &unit->scsi_work) <= 0)
-                                put_device(&unit->dev);
-                }
                 put_device(&unit->dev);
                 break;
 
diff --git a/drivers/s390/scsi/zfcp_ext.h b/drivers/s390/scsi/zfcp_ext.h
index 48a8f93b72f5..6abe2909e75b 100644
--- a/drivers/s390/scsi/zfcp_ext.h
+++ b/drivers/s390/scsi/zfcp_ext.h
@@ -159,7 +159,8 @@ extern void zfcp_scsi_rport_work(struct work_struct *);
 extern void zfcp_scsi_schedule_rport_register(struct zfcp_port *);
 extern void zfcp_scsi_schedule_rport_block(struct zfcp_port *);
 extern void zfcp_scsi_schedule_rports_block(struct zfcp_adapter *);
-extern void zfcp_scsi_scan(struct work_struct *);
+extern void zfcp_scsi_scan(struct zfcp_unit *);
+extern void zfcp_scsi_scan_work(struct work_struct *);
 
 /* zfcp_sysfs.c */
 extern struct attribute_group zfcp_sysfs_unit_attrs;
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index be5d2c60453d..153f69b26e78 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -524,6 +524,20 @@ static void zfcp_scsi_terminate_rport_io(struct fc_rport *rport)
         }
 }
 
+static void zfcp_scsi_queue_unit_register(struct zfcp_port *port)
+{
+        struct zfcp_unit *unit;
+
+        read_lock_irq(&port->unit_list_lock);
+        list_for_each_entry(unit, &port->unit_list, list) {
+                get_device(&unit->dev);
+                if (scsi_queue_work(port->adapter->scsi_host,
+                                    &unit->scsi_work) <= 0)
+                        put_device(&unit->dev);
+        }
+        read_unlock_irq(&port->unit_list_lock);
+}
+
 static void zfcp_scsi_rport_register(struct zfcp_port *port)
 {
         struct fc_rport_identifiers ids;
@@ -548,6 +562,8 @@ static void zfcp_scsi_rport_register(struct zfcp_port *port)
         rport->maxframe_size = port->maxframe_size;
         rport->supported_classes = port->supported_classes;
         port->rport = rport;
+
+        zfcp_scsi_queue_unit_register(port);
 }
 
 static void zfcp_scsi_rport_block(struct zfcp_port *port)
@@ -610,21 +626,26 @@ void zfcp_scsi_rport_work(struct work_struct *work)
         put_device(&port->dev);
 }
 
-
-void zfcp_scsi_scan(struct work_struct *work)
+/**
+ * zfcp_scsi_scan - Register LUN with SCSI midlayer
+ * @unit: The LUN/unit to register
+ */
+void zfcp_scsi_scan(struct zfcp_unit *unit)
 {
-        struct zfcp_unit *unit = container_of(work, struct zfcp_unit,
-                                              scsi_work);
-        struct fc_rport *rport;
-
-        flush_work(&unit->port->rport_work);
-        rport = unit->port->rport;
+        struct fc_rport *rport = unit->port->rport;
 
         if (rport && rport->port_state == FC_PORTSTATE_ONLINE)
                 scsi_scan_target(&rport->dev, 0, rport->scsi_target_id,
                                  scsilun_to_int((struct scsi_lun *)
                                                 &unit->fcp_lun), 0);
+}
+
+void zfcp_scsi_scan_work(struct work_struct *work)
+{
+        struct zfcp_unit *unit = container_of(work, struct zfcp_unit,
+                                              scsi_work);
 
+        zfcp_scsi_scan(unit);
         put_device(&unit->dev);
 }
 
diff --git a/drivers/s390/scsi/zfcp_sysfs.c b/drivers/s390/scsi/zfcp_sysfs.c
index f5f60698dc4c..205b9f8056e2 100644
--- a/drivers/s390/scsi/zfcp_sysfs.c
+++ b/drivers/s390/scsi/zfcp_sysfs.c
@@ -275,7 +275,7 @@ static ssize_t zfcp_sysfs_unit_add_store(struct device *dev,
 
         zfcp_erp_unit_reopen(unit, 0, "syuas_1", NULL);
         zfcp_erp_wait(unit->port->adapter);
-        flush_work(&unit->scsi_work);
+        zfcp_scsi_scan(unit);
 out:
         put_device(&port->dev);
         return retval ? retval : (ssize_t) count;