From: Hannes Reinecke <hare@suse.de>
Date: Fri, 15 Sep 2017 13:12:13 +0200
Subject: [PATCH] scsi: fcoe: separate out fcoe_vport_remove()
References: bsc#1077989
Git-commit: 6f7f74abaec12af6becf0a471d5968bce2f389b6
Patch-mainline: v4.15-rc1

Separate out fcoe_vport_remove() from fcoe_destroy_work().  Required for
the next patch.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Lee Duncan <lduncan@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
---
 drivers/scsi/fcoe/fcoe.c | 55 +++++++++++++++++++++++++++++-------------------
 1 file changed, 33 insertions(+), 22 deletions(-)

diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 2a39d7124c0e..7c18fad99347 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -155,7 +155,7 @@ static int fcoe_vport_disable(struct fc_vport *, bool disable);
 static void fcoe_set_vport_symbolic_name(struct fc_vport *);
 static void fcoe_set_port_id(struct fc_lport *, u32, struct fc_frame *);
 static void fcoe_fcf_get_vlan_id(struct fcoe_fcf_device *);
-
+static void fcoe_vport_remove(struct fc_lport *);
 
 static struct fcoe_sysfs_function_template fcoe_sysfs_templ = {
 	.set_fcoe_ctlr_mode = fcoe_ctlr_mode,
@@ -2108,30 +2108,10 @@ static void fcoe_destroy_work(struct work_struct *work)
 	struct fcoe_ctlr *ctlr;
 	struct fcoe_port *port;
 	struct fcoe_interface *fcoe;
-	struct Scsi_Host *shost;
-	struct fc_host_attrs *fc_host;
-	unsigned long flags;
-	struct fc_vport *vport;
-	struct fc_vport *next_vport;
 
 	port = container_of(work, struct fcoe_port, destroy_work);
-	shost = port->lport->host;
-	fc_host = shost_to_fc_host(shost);
-
-	/* Loop through all the vports and mark them for deletion */
-	spin_lock_irqsave(shost->host_lock, flags);
-	list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers) {
-		if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) {
-			continue;
-		} else {
-			vport->flags |= FC_VPORT_DELETING;
-			queue_work(fc_host_work_q(shost),
-				   &vport->vport_delete_work);
-		}
-	}
-	spin_unlock_irqrestore(shost->host_lock, flags);
 
-	flush_workqueue(fc_host_work_q(shost));
+	fcoe_vport_remove(port->lport);
 
 	mutex_lock(&fcoe_config_mutex);
 
@@ -2745,6 +2725,37 @@ static int fcoe_vport_destroy(struct fc_vport *vport)
 }
 
 /**
+ * fcoe_vport_remove() - remove attached vports
+ * @lport: lport for which the vports should be removed
+ */
+static void fcoe_vport_remove(struct fc_lport *lport)
+{
+	struct Scsi_Host *shost;
+	struct fc_host_attrs *fc_host;
+	unsigned long flags;
+	struct fc_vport *vport;
+	struct fc_vport *next_vport;
+
+	shost = lport->host;
+	fc_host = shost_to_fc_host(shost);
+
+	/* Loop through all the vports and mark them for deletion */
+	spin_lock_irqsave(shost->host_lock, flags);
+	list_for_each_entry_safe(vport, next_vport, &fc_host->vports, peers) {
+		if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) {
+			continue;
+		} else {
+			vport->flags |= FC_VPORT_DELETING;
+			queue_work(fc_host_work_q(shost),
+				   &vport->vport_delete_work);
+		}
+	}
+	spin_unlock_irqrestore(shost->host_lock, flags);
+
+	flush_workqueue(fc_host_work_q(shost));
+}
+
+/**
  * fcoe_vport_disable() - change vport state
  * @vport: vport to bring online/offline
  * @disable: should the vport be disabled?
-- 
2.12.3