---

yaml --- r: 37559 b: refs/heads/master c: bf57225 h: refs/heads/master i: 37557: 00fd4e3 37555: 03e7859 37551: 9f03c4f v: v3
git-mirror · Sep 30, 2006 · 191802b · 191802b
1 parent 115d958
commit 191802b
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Showing 2 changed files with 9 additions and 7 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dc72ef4ae35c2016fb594bcc85ce871376682174
+refs/heads/master: bf57225670bcbeb357182d800736b4782cde7295
diff --git a/trunk/block/cfq-iosched.c b/trunk/block/cfq-iosched.c
@@ -1539,17 +1539,19 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq,
  */
 static void cfq_preempt_queue(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 {
-	struct cfq_queue *__cfqq, *next;
-
-	list_for_each_entry_safe(__cfqq, next, &cfqd->cur_rr, cfq_list)
-		cfq_resort_rr_list(__cfqq, 1);
+	cfq_slice_expired(cfqd, 1);
 
 	if (!cfqq->slice_left)
 		cfqq->slice_left = cfq_prio_to_slice(cfqd, cfqq) / 2;
 
+	/*
+	 * Put the new queue at the front of the of the current list,
+	 * so we know that it will be selected next.
+	 */
+	BUG_ON(!cfq_cfqq_on_rr(cfqq));
+	list_move(&cfqq->cfq_list, &cfqd->cur_rr);
+
 	cfqq->slice_end = cfqq->slice_left + jiffies;
-	cfq_slice_expired(cfqd, 1);
-	__cfq_set_active_queue(cfqd, cfqq);
 }
 
 /*