staging: lustre: remove RCU2HANDLE macro

Remove RCU2HANDLE macro from lustre_handles.h.
Signed-off-by: John L. Hammond <john.hammond@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-2675
Reviewed-on: http://review.whamcloud.com/11498Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Bob Glossman <bob.glossman@intel.com>
Signed-off-by: James Simmons <jsimmons@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/include/lustre_handles.h

@@ -76,8 +76,6 @@ struct portals_handle {
 	unsigned int			h_in:1;
 };
 
-#define RCU2HANDLE(rcu)    container_of(rcu, struct portals_handle, h_rcu)
-
 /* handles.c */
 
 /* Add a handle to the hash table */

drivers/staging/lustre/lustre/obdclass/lustre_handles.c

@@ -164,8 +164,11 @@ EXPORT_SYMBOL(class_handle2object);
 
 void class_handle_free_cb(struct rcu_head *rcu)
 {
-	struct portals_handle *h = RCU2HANDLE(rcu);
-	void *ptr = (void *)(unsigned long)h->h_cookie;
+	struct portals_handle *h;
+	void *ptr;
+
+	h = container_of(rcu, struct portals_handle, h_rcu);
+	ptr = (void *)(unsigned long)h->h_cookie;
 
 	if (h->h_ops->hop_free)
 		h->h_ops->hop_free(ptr, h->h_size);