---

yaml
---
r: 37557
b: refs/heads/master
c: 981a797
h: refs/heads/master
i:
  37555: 03e7859
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 53b03744e5699832e6c5b04f2ec506d8b0c50c38
+refs/heads/master: 981a79730d586335ef8f942c83bdf2b1de6d4e3d

trunk/block/cfq-iosched.c

@@ -81,11 +81,6 @@ struct cfq_data {
 	struct list_head idle_rr;
 	unsigned int busy_queues;
 
-	/*
-	 * non-ordered list of empty cfqq's
-	 */
-	struct list_head empty_list;
-
 	/*
 	 * cfqq lookup hash
 	 */
@@ -136,7 +131,7 @@ struct cfq_queue {
 	struct hlist_node cfq_hash;
 	/* hash key */
 	unsigned int key;
-	/* on either rr or empty list of cfqd */
+	/* member of the rr/busy/cur/idle cfqd list */
 	struct list_head cfq_list;
 	/* sorted list of pending requests */
 	struct rb_root sort_list;
@@ -417,7 +412,7 @@ cfq_del_cfqq_rr(struct cfq_data *cfqd, struct cfq_queue *cfqq)
 {
 	BUG_ON(!cfq_cfqq_on_rr(cfqq));
 	cfq_clear_cfqq_on_rr(cfqq);
-	list_move(&cfqq->cfq_list, &cfqd->empty_list);
+	list_del_init(&cfqq->cfq_list);
 
 	BUG_ON(!cfqd->busy_queues);
 	cfqd->busy_queues--;
@@ -1959,7 +1954,6 @@ static void *cfq_init_queue(request_queue_t *q, elevator_t *e)
 	INIT_LIST_HEAD(&cfqd->busy_rr);
 	INIT_LIST_HEAD(&cfqd->cur_rr);
 	INIT_LIST_HEAD(&cfqd->idle_rr);
-	INIT_LIST_HEAD(&cfqd->empty_list);
 	INIT_LIST_HEAD(&cfqd->cic_list);
 
 	cfqd->cfq_hash = kmalloc_node(sizeof(struct hlist_head) * CFQ_QHASH_ENTRIES, GFP_KERNEL, q->node);