scsi: libfc: Replace ->rport_flush_queue callback with function call

The ->rport_flush_queue callback only ever had a single
implementation, so we can as well call it directly and
drop the callback.
Signed-off-by: Hannes Reinecke <hare@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/fcoe/fcoe_ctlr.c

@@ -2215,7 +2215,7 @@ static void fcoe_ctlr_disc_stop(struct fc_lport *lport)
 static void fcoe_ctlr_disc_stop_final(struct fc_lport *lport)
 {
 	fcoe_ctlr_disc_stop(lport);
-	lport->tt.rport_flush_queue();
+	fc_rport_flush_queue();
 	synchronize_rcu();
 }
 

drivers/scsi/libfc/fc_disc.c

@@ -719,7 +719,7 @@ static void fc_disc_stop(struct fc_lport *lport)
 static void fc_disc_stop_final(struct fc_lport *lport)
 {
 	fc_disc_stop(lport);
-	lport->tt.rport_flush_queue();
+	fc_rport_flush_queue();
 }
 
 /**

drivers/scsi/libfc/fc_lport.c

@@ -625,7 +625,7 @@ int fc_fabric_logoff(struct fc_lport *lport)
 	if (lport->dns_rdata)
 		fc_rport_logoff(lport->dns_rdata);
 	mutex_unlock(&lport->lp_mutex);
-	lport->tt.rport_flush_queue();
+	fc_rport_flush_queue();
 	mutex_lock(&lport->lp_mutex);
 	fc_lport_enter_logo(lport);
 	mutex_unlock(&lport->lp_mutex);

drivers/scsi/libfc/fc_rport.c

@@ -2175,10 +2175,11 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp)
 /**
  * fc_rport_flush_queue() - Flush the rport_event_queue
  */
-static void fc_rport_flush_queue(void)
+void fc_rport_flush_queue(void)
 {
 	flush_workqueue(rport_event_queue);
 }
+EXPORT_SYMBOL(fc_rport_flush_queue);
 
 /**
  * fc_rport_init() - Initialize the remote port layer for a local port
@@ -2186,9 +2187,6 @@ static void fc_rport_flush_queue(void)
  */
 int fc_rport_init(struct fc_lport *lport)
 {
-	if (!lport->tt.rport_flush_queue)
-		lport->tt.rport_flush_queue = fc_rport_flush_queue;
-
 	return 0;
 }
 EXPORT_SYMBOL(fc_rport_init);

include/scsi/libfc.h

@@ -582,13 +582,6 @@ struct libfc_function_template {
 	 */
 	void (*exch_mgr_reset)(struct fc_lport *, u32 s_id, u32 d_id);
 
-	/*
-	 * Flush the rport work queue. Generally used before shutdown.
-	 *
-	 * STATUS: OPTIONAL
-	 */
-	void (*rport_flush_queue)(void);
-
 	/*
 	 * Set the local port FC_ID.
 	 *
@@ -994,6 +987,7 @@ void fc_rport_destroy(struct kref *kref);
 int fc_rport_login(struct fc_rport_priv *rdata);
 int fc_rport_logoff(struct fc_rport_priv *rdata);
 void fc_rport_recv_req(struct fc_lport *lport, struct fc_frame *fp);
+void fc_rport_flush_queue(void);
 
 /*
  * DISCOVERY LAYER