1 files changed, 29 insertions, 8 deletions

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);
 }