linux-kernel - [patch 1/3]cfq-iosched: do cleanup

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Message-ID: <1289182033.23014.189.camel@sli10-conroe>
Date:	Mon, 08 Nov 2010 10:07:13 +0800
From:	Shaohua Li <shaohua.li@...el.com>
To:	lkml <linux-kernel@...r.kernel.org>
Cc:	Jens Axboe <jaxboe@...ionio.com>, vgoyal@...hat.com,
	czoccolo@...il.com
Subject: [patch 1/3]cfq-iosched: do cleanup

some random fixes for cfq-iosched. My last post seems lost, so repost
them.

Thanks,
Shaohua


Some functions should return boolean.

Signed-off-by: Shaohua Li <shaohua.li@...el.com>
---
 block/cfq-iosched.c |   16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

Index: linux/block/cfq-iosched.c
===================================================================
--- linux.orig/block/cfq-iosched.c	2010-11-01 13:34:53.000000000 +0800
+++ linux/block/cfq-iosched.c	2010-11-08 09:54:32.000000000 +0800
@@ -646,11 +646,11 @@ cfq_set_prio_slice(struct cfq_data *cfqd
 static inline bool cfq_slice_used(struct cfq_queue *cfqq)
 {
 	if (cfq_cfqq_slice_new(cfqq))
-		return 0;
+		return false;
 	if (time_before(jiffies, cfqq->slice_end))
-		return 0;
+		return false;
 
-	return 1;
+	return true;
 }
 
 /*
@@ -1901,10 +1901,10 @@ static bool cfq_should_idle(struct cfq_d
 	 * in their service tree.
 	 */
 	if (service_tree->count == 1 && cfq_cfqq_sync(cfqq))
-		return 1;
+		return true;
 	cfq_log_cfqq(cfqd, cfqq, "Not idling. st->count:%d",
 			service_tree->count);
-	return 0;
+	return false;
 }
 
 static void cfq_arm_slice_timer(struct cfq_data *cfqd)
@@ -2367,12 +2367,12 @@ static inline bool cfq_slice_used_soon(s
 {
 	/* the queue hasn't finished any request, can't estimate */
 	if (cfq_cfqq_slice_new(cfqq))
-		return 1;
+		return true;
 	if (time_after(jiffies + cfqd->cfq_slice_idle * cfqq->dispatched,
 		cfqq->slice_end))
-		return 1;
+		return true;
 
-	return 0;
+	return false;
 }
 
 static bool cfq_may_dispatch(struct cfq_data *cfqd, struct cfq_queue *cfqq)



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