linux-kernel - [PATCH] cfq-iosched: simplify prio-unboost code

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Message-Id: <200910262136.03233.czoccolo@gmail.com>
Date:	Mon, 26 Oct 2009 21:36:03 +0100
From:	Corrado Zoccolo <czoccolo@...il.com>
To:	"Linux-Kernel" <linux-kernel@...r.kernel.org>,
	Jens Axboe <jens.axboe@...cle.com>,
	Jeff Moyer <jmoyer@...hat.com>
Subject: [PATCH] cfq-iosched: simplify prio-unboost code

Eliminate redundant checks.

Signed-off-by: Corrado Zoccolo <czoccolo@...il.com>
---
 block/cfq-iosched.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 6e9b395..244bc8a 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2611,12 +2611,10 @@ static void cfq_prio_boost(struct cfq_queue *cfqq)
 			cfqq->ioprio = IOPRIO_NORM;
 	} else {
 		/*
-		 * check if we need to unboost the queue
+		 * unboost the queue (if needed)
 		 */
-		if (cfqq->ioprio_class != cfqq->org_ioprio_class)
-			cfqq->ioprio_class = cfqq->org_ioprio_class;
-		if (cfqq->ioprio != cfqq->org_ioprio)
-			cfqq->ioprio = cfqq->org_ioprio;
+		cfqq->ioprio_class = cfqq->org_ioprio_class;
+		cfqq->ioprio = cfqq->org_ioprio;
 	}
 }
 
-- 
1.6.2.5


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