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From: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org
Cc: tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org
Subject: [PATCH 09/15] cfq-iosched: make new_cfqq variable bool
Date: Mon,  1 Oct 2012 15:32:50 -0400	[thread overview]
Message-ID: <1349119976-26837-10-git-send-email-vgoyal@redhat.com> (raw)
In-Reply-To: <1349119976-26837-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Make new_cfqq bool. Also set the variable in the beginning of function.

Signed-off-by: Vivek Goyal <vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
---
 block/cfq-iosched.c |    5 ++---
 1 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index a929e2d..76f020f 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -1622,7 +1622,7 @@ static void cfq_st_add(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 	unsigned long rb_key;
 	struct cfq_rb_root *st;
 	int left;
-	int new_cfqq = 1;
+	bool new_cfqq = RB_EMPTY_NODE(&cfqq->rb_node);
 
 	st = st_for(cfqq->cfqg, cfqq_class(cfqq), cfqq_type(cfqq));
 	if (cfq_class_idle(cfqq)) {
@@ -1649,8 +1649,7 @@ static void cfq_st_add(struct cfq_data *cfqd, struct cfq_queue *cfqq,
 		rb_key += __cfqq ? __cfqq->rb_key : jiffies;
 	}
 
-	if (!RB_EMPTY_NODE(&cfqq->rb_node)) {
-		new_cfqq = 0;
+	if (!new_cfqq) {
 		/*
 		 * same position, nothing more to do
 		 */
-- 
1.7.7.6

  parent reply	other threads:[~2012-10-01 19:32 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-01 19:32 [RFC PATCH 00/15] Use vdisktime based scheduling logic for cfq queues Vivek Goyal
2012-10-01 19:32 ` [PATCH 01/15] cfq-iosched: Properly name all references to IO class Vivek Goyal
     [not found]   ` <1349119976-26837-2-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-01 20:51     ` Jeff Moyer
2012-10-03  0:54     ` Tejun Heo
2012-10-03 13:06       ` Vivek Goyal
     [not found] ` <1349119976-26837-1-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-01 19:32   ` [PATCH 02/15] cfq-iosched: More renaming to better represent wl_class and wl_type Vivek Goyal
2012-10-01 20:50     ` Jeff Moyer
2012-10-02 13:25       ` Vivek Goyal
2012-10-01 19:32   ` [PATCH 03/15] cfq-iosched: Rename "service_tree" to "st" Vivek Goyal
     [not found]     ` <1349119976-26837-4-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-01 20:52       ` Jeff Moyer
     [not found]         ` <x49ipatj4oy.fsf-RRHT56Q3PSP4kTEheFKJxxDDeQx5vsVwAInAS/Ez/D0@public.gmane.org>
2012-10-02 13:26           ` Vivek Goyal
     [not found]             ` <20121002132603.GB758-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-03  0:59               ` Tejun Heo
2012-10-01 19:32   ` [PATCH 04/15] cfq-iosched: Rename few functions related to selecting workload Vivek Goyal
     [not found]     ` <1349119976-26837-5-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-01 20:55       ` Jeff Moyer
2012-10-01 19:32   ` [PATCH 05/15] cfq-iosched: Get rid of unnecessary local variable Vivek Goyal
     [not found]     ` <1349119976-26837-6-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-01 20:57       ` Jeff Moyer
2012-10-01 19:32   ` [PATCH 06/15] cfq-iosched: Print sync-noidle information in blktrace messages Vivek Goyal
     [not found]     ` <1349119976-26837-7-git-send-email-vgoyal-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2012-10-01 21:01       ` Jeff Moyer
2012-10-01 19:32   ` [PATCH 07/15] cfq-iosced: Do the round robin selection of workload type Vivek Goyal
2012-10-01 19:32   ` [PATCH 08/15] cfq-iosched: Make cfq_scale_slice() usable for both queues and groups Vivek Goyal
2012-10-01 19:32   ` Vivek Goyal [this message]
2012-10-01 19:32   ` [PATCH 11/15] cfq-iosched: Remove residual slice logic Vivek Goyal
2012-10-01 19:32   ` [PATCH 12/15] cfq-iosched: put cooperating queue at the front of service tree Vivek Goyal
2012-10-01 19:32   ` [PATCH 14/15] cfq-iosched: Wait for queue to get busy even if this is not last queue in group Vivek Goyal
2012-10-01 19:32   ` [PATCH 15/15] cfq-ioschd: Give boost to higher prio/weight queues Vivek Goyal
2012-10-01 19:32 ` [PATCH 10/15] cfq-get-rid-of-slice-offset-and-always-put-new-queue-at-the-end-2 Vivek Goyal
2012-10-01 19:32 ` [PATCH 13/15] cfq-iosched: Use same scheduling algorithm for groups and queues Vivek Goyal

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