From b263bd0fb5af71af807988e3f86be3441b8d48b9 Mon Sep 17 00:00:00 2001
From: Joe Eykholt <jeykholt@cisco.com>
Date: Tue, 20 Jul 2010 15:19:53 -0700
Subject: [PATCH] --- yaml --- r: 204257 b: refs/heads/master c:
 0685230c59b5482e04ab50e7afc51119ceaba651 h: refs/heads/master i:   204255:
 17969c6526820d57c182a34da33c54e684d66666 v: v3

---
 [refs]                              |  2 +-
 trunk/drivers/scsi/libfc/fc_disc.c  | 14 +++++++-------
 trunk/drivers/scsi/libfc/fc_libfc.h |  2 +-
 trunk/include/scsi/libfc.h          |  9 +++++++--
 4 files changed, 16 insertions(+), 11 deletions(-)

diff --git a/[refs] b/[refs]
index 054a20753ae6..cf725467ad55 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: fdb068c6cd6e30d43664f856d3530715a5742713
+refs/heads/master: 0685230c59b5482e04ab50e7afc51119ceaba651
diff --git a/trunk/drivers/scsi/libfc/fc_disc.c b/trunk/drivers/scsi/libfc/fc_disc.c
index d0fa9a0ddc8d..04474556f2dc 100644
--- a/trunk/drivers/scsi/libfc/fc_disc.c
+++ b/trunk/drivers/scsi/libfc/fc_disc.c
@@ -65,7 +65,7 @@ void fc_disc_stop_rports(struct fc_disc *disc)
 	struct fc_lport *lport;
 	struct fc_rport_priv *rdata;
 
-	lport = disc->lport;
+	lport = fc_disc_lport(disc);
 
 	mutex_lock(&disc->disc_mutex);
 	list_for_each_entry_rcu(rdata, &disc->rports, peers)
@@ -96,7 +96,7 @@ static void fc_disc_recv_rscn_req(struct fc_seq *sp, struct fc_frame *fp,
 	LIST_HEAD(disc_ports);
 	struct fc_disc_port *dp, *next;
 
-	lport = disc->lport;
+	lport = fc_disc_lport(disc);
 
 	FC_DISC_DBG(disc, "Received an RSCN event\n");
 
@@ -275,7 +275,7 @@ static void fc_disc_start(void (*disc_callback)(struct fc_lport *,
  */
 static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
 {
-	struct fc_lport *lport = disc->lport;
+	struct fc_lport *lport = fc_disc_lport(disc);
 	struct fc_rport_priv *rdata;
 
 	FC_DISC_DBG(disc, "Discovery complete\n");
@@ -313,7 +313,7 @@ static void fc_disc_done(struct fc_disc *disc, enum fc_disc_event event)
  */
 static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp)
 {
-	struct fc_lport *lport = disc->lport;
+	struct fc_lport *lport = fc_disc_lport(disc);
 	unsigned long delay = 0;
 
 	FC_DISC_DBG(disc, "Error %ld, retries %d/%d\n",
@@ -353,7 +353,7 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp)
 static void fc_disc_gpn_ft_req(struct fc_disc *disc)
 {
 	struct fc_frame *fp;
-	struct fc_lport *lport = disc->lport;
+	struct fc_lport *lport = fc_disc_lport(disc);
 
 	WARN_ON(!fc_lport_test_ready(lport));
 
@@ -396,7 +396,7 @@ static int fc_disc_gpn_ft_parse(struct fc_disc *disc, void *buf, size_t len)
 	struct fc_rport_identifiers ids;
 	struct fc_rport_priv *rdata;
 
-	lport = disc->lport;
+	lport = fc_disc_lport(disc);
 	disc->seq_count++;
 
 	/*
@@ -733,7 +733,7 @@ int fc_disc_init(struct fc_lport *lport)
 	mutex_init(&disc->disc_mutex);
 	INIT_LIST_HEAD(&disc->rports);
 
-	disc->lport = lport;
+	disc->priv = lport;
 
 	return 0;
 }
diff --git a/trunk/drivers/scsi/libfc/fc_libfc.h b/trunk/drivers/scsi/libfc/fc_libfc.h
index f5c0ca4b6ef8..16d2162dda1f 100644
--- a/trunk/drivers/scsi/libfc/fc_libfc.h
+++ b/trunk/drivers/scsi/libfc/fc_libfc.h
@@ -52,7 +52,7 @@ extern unsigned int fc_debug_logging;
 #define FC_DISC_DBG(disc, fmt, args...)				\
 	FC_CHECK_LOGGING(FC_DISC_LOGGING,			\
 			 printk(KERN_INFO "host%u: disc: " fmt,	\
-				(disc)->lport->host->host_no,	\
+				fc_disc_lport(disc)->host->host_no,	\
 				##args))
 
 #define FC_RPORT_ID_DBG(lport, port_id, fmt, args...)			\
diff --git a/trunk/include/scsi/libfc.h b/trunk/include/scsi/libfc.h
index fcbee8c38b0c..5f64e593cca8 100644
--- a/trunk/include/scsi/libfc.h
+++ b/trunk/include/scsi/libfc.h
@@ -739,7 +739,7 @@ struct libfc_function_template {
  * @buf_len:       Length of the discovery buffer
  * @disc_id:       Discovery ID
  * @rports:        List of discovered remote ports
- * @lport:         The local port that discovery is for
+ * @priv:          Private pointer for use by discovery code
  * @disc_mutex:    Mutex that protects the discovery context
  * @partial_buf:   Partial name buffer (if names are returned
  *                 in multiple frames)
@@ -755,7 +755,7 @@ struct fc_disc {
 	u16                   disc_id;
 
 	struct list_head      rports;
-	struct fc_lport	      *lport;
+	void		      *priv;
 	struct mutex	      disc_mutex;
 	struct fc_gpn_ft_resp partial_buf;
 	struct delayed_work   disc_work;
@@ -1003,6 +1003,11 @@ void fc_rport_terminate_io(struct fc_rport *);
  *****************************/
 int fc_disc_init(struct fc_lport *);
 
+static inline struct fc_lport *fc_disc_lport(struct fc_disc *disc)
+{
+	return container_of(disc, struct fc_lport, disc);
+}
+
 /*
  * FCP LAYER
  *****************************/