From: Jiri Pirko <jiri@mellanox.com>
Date: Thu, 24 Sep 2015 08:02:49 +0000 (+0200)
Subject: switchdev: reduce transaction phase enum down to a boolean
X-Git-Tag: v4.4-rc1~141^2~278^2
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=f623ab7f51b1bfb523c9cd492747392abf3c4421;p=linux.git

switchdev: reduce transaction phase enum down to a boolean

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

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 9cf372fe1365..18207878e407 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 1adeedade0fb..00ee547ba45b 100644
--- a/net/switchdev/switchdev.c
+++ b/net/switchdev/switchdev.c
@@ -240,7 +240,7 @@ 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
@@ -259,7 +259,7 @@ 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);
@@ -323,7 +323,7 @@ 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
@@ -342,7 +342,7 @@ 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_warn_destroy(dev, &trans);