From: Jens Axboe <jens.axboe@oracle.com>
Date: Wed, 15 Apr 2009 10:11:10 +0000 (+0200)
Subject: cfq-iosched: no need to save interrupts in cfq_kick_queue()
X-Git-Tag: MMI-PSA29.97-13-9~28445^2~3
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=40bb54d197a10fe86d73073ee8202ba2812a05fa;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

cfq-iosched: no need to save interrupts in cfq_kick_queue()

It's called from the workqueue handlers from process context, so
we always have irqs enabled when entered.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
---

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 56e9d8503cf1..e59f2108272f 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2157,11 +2157,10 @@ static void cfq_kick_queue(struct work_struct *work)
 	struct cfq_data *cfqd =
 		container_of(work, struct cfq_data, unplug_work);
 	struct request_queue *q = cfqd->queue;
-	unsigned long flags;
 
-	spin_lock_irqsave(q->queue_lock, flags);
+	spin_lock_irq(q->queue_lock);
 	blk_start_queueing(q);
-	spin_unlock_irqrestore(q->queue_lock, flags);
+	spin_unlock_irq(q->queue_lock);
 }
 
 /*