rcu: Rename dynticks_completed to completed_fqs

This field is used whether or not CONFIG_NO_HZ is set, so the
old name of ->dynticks_completed is quite misleading.

Change to ->completed_fqs, given that it the value that
force_quiescent_state() is trying to drive the ->completed field
away from.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <12578890423298-git-send-email->
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index ec007dd..26fc780 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -187,7 +187,7 @@
  */
 static void dyntick_record_completed(struct rcu_state *rsp, long comp)
 {
-	rsp->dynticks_completed = comp;
+	rsp->completed_fqs = comp;
 }
 
 #ifdef CONFIG_SMP
@@ -197,7 +197,7 @@
  */
 static long dyntick_recall_completed(struct rcu_state *rsp)
 {
-	return rsp->dynticks_completed;
+	return rsp->completed_fqs;
 }
 
 /*