From 571f824c3cd7b7f5a40ba100f7e576b6b0fe826a Mon Sep 17 00:00:00 2001
From: Abhijeet Joglekar <abjoglek@cisco.com>
Date: Fri, 27 Feb 2009 10:54:41 -0800
Subject: [PATCH] [SCSI] libfc: when rport goes away (re-plogi), clean up
 exchanges to/from rport

When a rport goes away, libFC does a plogi which will reset exchanges
    at the rport. Clean exchanges at our end, both in transport and libFC.
    If transport hooks into exch_mgr_reset, it will call back into
    fc_exch_mgr_reset() to clean up libFC exchanges.

Signed-off-by: Abhijeet Joglekar <abjoglek@cisco.com>
Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
---
 drivers/scsi/libfc/fc_rport.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index dec7bae0e56d5f..71757593415230 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -214,6 +214,7 @@ static void fc_rport_state_enter(struct fc_rport *rport,
 
 static void fc_rport_work(struct work_struct *work)
 {
+	u32 port_id;
 	struct fc_rport_libfc_priv *rdata =
 		container_of(work, struct fc_rport_libfc_priv, event_work);
 	enum fc_rport_event event;
@@ -279,8 +280,12 @@ static void fc_rport_work(struct work_struct *work)
 			rport_ops->event_callback(lport, rport, event);
 		if (trans_state == FC_PORTSTATE_ROGUE)
 			put_device(&rport->dev);
-		else
+		else {
+			port_id = rport->port_id;
 			fc_remote_port_delete(rport);
+			lport->tt.exch_mgr_reset(lport, 0, port_id);
+			lport->tt.exch_mgr_reset(lport, port_id, 0);
+		}
 	} else
 		mutex_unlock(&rdata->rp_mutex);
 }
-- 
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