netdev - [patch net-next v2 10/10] switchdev: reduce transaction phase enum down to a boolean

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Date:	Wed, 23 Sep 2015 09:57:58 +0200
From:	Jiri Pirko <jiri@...nulli.us>
To:	netdev@...r.kernel.org
Cc:	davem@...emloft.net, idosch@...lanox.com, eladr@...lanox.com,
	sfeldma@...il.com, f.fainelli@...il.com, linux@...ck-us.net,
	vivien.didelot@...oirfairelinux.com, rami.rosen@...el.com,
	roopa@...ulusnetworks.com, pjonnala@...adcom.com, andrew@...n.ch,
	gospo@...ulusnetworks.com, Jiri Pirko <jiri@...lanox.com>
Subject: [patch net-next v2 10/10] switchdev: reduce transaction phase enum down to a boolean

From: Jiri Pirko <jiri@...lanox.com>

Now, since we have only 2 values for transaction phase, just use bool.

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
---
 include/net/switchdev.h   | 11 +++--------
 net/switchdev/switchdev.c |  8 ++++----
 2 files changed, 7 insertions(+), 12 deletions(-)

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 9cf372f..1820787 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -17,11 +17,6 @@
 
 #define SWITCHDEV_F_NO_RECURSE		BIT(0)
 
-enum switchdev_trans_ph {
-	SWITCHDEV_TRANS_PREPARE,
-	SWITCHDEV_TRANS_COMMIT,
-};
-
 struct switchdev_trans_item {
 	struct list_head list;
 	void *data;
@@ -30,17 +25,17 @@ struct switchdev_trans_item {
 
 struct switchdev_trans {
 	struct list_head item_list;
-	enum switchdev_trans_ph ph;
+	bool ph_prepare;
 };
 
 static inline bool switchdev_trans_ph_prepare(struct switchdev_trans *trans)
 {
-	return trans && trans->ph == SWITCHDEV_TRANS_PREPARE;
+	return trans && trans->ph_prepare;
 }
 
 static inline bool switchdev_trans_ph_commit(struct switchdev_trans *trans)
 {
-	return trans && trans->ph == SWITCHDEV_TRANS_COMMIT;
+	return trans && !trans->ph_prepare;
 }
 
 enum switchdev_attr_id {
diff --git a/net/switchdev/switchdev.c b/net/switchdev/switchdev.c
index 45b60f1..480e063 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -232,7 +232,7 @@ int switchdev_port_attr_set(struct net_device *dev, struct switchdev_attr *attr)
 	 * but should not commit the attr.
 	 */
 
-	trans.ph = SWITCHDEV_TRANS_PREPARE;
+	trans.ph_prepare = true;
 	err = __switchdev_port_attr_set(dev, attr, &trans);
 	if (err) {
 		/* Prepare phase failed: abort the transaction.  Any
@@ -251,7 +251,7 @@ int switchdev_port_attr_set(struct net_device *dev, struct switchdev_attr *attr)
 	 * because the driver said everythings was OK in phase I.
 	 */
 
-	trans.ph = SWITCHDEV_TRANS_COMMIT;
+	trans.ph_prepare = false;
 	err = __switchdev_port_attr_set(dev, attr, &trans);
 	WARN(err, "%s: Commit of attribute (id=%d) failed.\n",
 	     dev->name, attr->id);
@@ -315,7 +315,7 @@ int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj)
 	 * but should not commit the obj.
 	 */
 
-	trans.ph = SWITCHDEV_TRANS_PREPARE;
+	trans.ph_prepare = true;
 	err = __switchdev_port_obj_add(dev, obj, &trans);
 	if (err) {
 		/* Prepare phase failed: abort the transaction.  Any
@@ -334,7 +334,7 @@ int switchdev_port_obj_add(struct net_device *dev, struct switchdev_obj *obj)
 	 * because the driver said everythings was OK in phase I.
 	 */
 
-	trans.ph = SWITCHDEV_TRANS_COMMIT;
+	trans.ph_prepare = false;
 	err = __switchdev_port_obj_add(dev, obj, &trans);
 	WARN(err, "%s: Commit of object (id=%d) failed.\n", dev->name, obj->id);
 	switchdev_trans_items_destroy(&trans);
-- 
1.9.3

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