---

yaml --- r: 176498 b: refs/heads/master c: edc7113 h: refs/heads/master v: v3
git-mirror · Dec 9, 2009 · 7da1126 · 7da1126
1 parent 545d429
commit 7da1126
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 7667aa0630407bc07dc38dcc79d29cc0a65553c1
+refs/heads/master: edc71131c4dc6cc73e2a24aa0a7a79cfce738f12
diff --git a/trunk/block/cfq-iosched.c b/trunk/block/cfq-iosched.c
@@ -3759,6 +3759,10 @@ static void *cfq_init_queue(struct request_queue *q)
 	cfqd->cfq_latency = 1;
 	cfqd->cfq_group_isolation = 0;
 	cfqd->hw_tag = -1;
+	/*
+	 * we optimistically start assuming sync ops weren't delayed in last
+	 * second, in order to have larger depth for async operations.
+	 */
 	cfqd->last_delayed_sync = jiffies - HZ;
 	INIT_RCU_HEAD(&cfqd->rcu);
 	return cfqd;