X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=block%2Fbfq-iosched.c;h=8c436abfaf14fe3dc1b26d8dc385f7fd0c2d4f9d;hb=98bda63e20daab95bdc084ce00459a4f622a0505;hp=28770ec7c06f23e0490964882fe46de6815d058c;hpb=33a16a9804688b2f4c4281ec31bc393ef2645ae4;p=linux.git

diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c
index 28770ec7c06f..8c436abfaf14 100644
--- a/block/bfq-iosched.c
+++ b/block/bfq-iosched.c
@@ -4825,9 +4825,7 @@ void bfq_put_queue(struct bfq_queue *bfqq)
 {
 	struct bfq_queue *item;
 	struct hlist_node *n;
-#ifdef CONFIG_BFQ_GROUP_IOSCHED
 	struct bfq_group *bfqg = bfqq_group(bfqq);
-#endif
 
 	if (bfqq->bfqd)
 		bfq_log_bfqq(bfqq->bfqd, bfqq, "put_queue: %p %d",
@@ -4900,9 +4898,7 @@ void bfq_put_queue(struct bfq_queue *bfqq)
 		bfqq->bfqd->last_completed_rq_bfqq = NULL;
 
 	kmem_cache_free(bfq_pool, bfqq);
-#ifdef CONFIG_BFQ_GROUP_IOSCHED
 	bfqg_and_blkg_put(bfqg);
-#endif
 }
 
 static void bfq_put_cooperator(struct bfq_queue *bfqq)
@@ -5983,6 +5979,8 @@ static void bfq_finish_requeue_request(struct request *rq)
 }
 
 /*
+ * Removes the association between the current task and bfqq, assuming
+ * that bic points to the bfq iocontext of the task.
  * Returns NULL if a new bfqq should be allocated, or the old bfqq if this
  * was the last process referring to that bfqq.
  */
@@ -6390,10 +6388,10 @@ static void bfq_exit_queue(struct elevator_queue *e)
 
 	hrtimer_cancel(&bfqd->idle_slice_timer);
 
-#ifdef CONFIG_BFQ_GROUP_IOSCHED
 	/* release oom-queue reference to root group */
 	bfqg_and_blkg_put(bfqd->root_group);
 
+#ifdef CONFIG_BFQ_GROUP_IOSCHED
 	blkcg_deactivate_policy(bfqd->queue, &blkcg_policy_bfq);
 #else
 	spin_lock_irq(&bfqd->lock);