linux-kernel - Re: [PATCH 04/18] io-controller: Modify cfq to make use of flat elevator fair queuing

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Message-ID: <4A166829.6070608@cn.fujitsu.com>
Date:	Fri, 22 May 2009 16:54:01 +0800
From:	Gui Jianfeng <guijianfeng@...fujitsu.com>
To:	Vivek Goyal <vgoyal@...hat.com>
CC:	nauman@...gle.com, dpshah@...gle.com, lizf@...fujitsu.com,
	mikew@...gle.com, fchecconi@...il.com, paolo.valente@...more.it,
	jens.axboe@...cle.com, ryov@...inux.co.jp, fernando@....ntt.co.jp,
	s-uchida@...jp.nec.com, taka@...inux.co.jp, jmoyer@...hat.com,
	dhaval@...ux.vnet.ibm.com, balbir@...ux.vnet.ibm.com,
	linux-kernel@...r.kernel.org,
	containers@...ts.linux-foundation.org, righi.andrea@...il.com,
	agk@...hat.com, dm-devel@...hat.com, snitzer@...hat.com,
	m-ikeda@...jp.nec.com, akpm@...ux-foundation.org
Subject: Re: [PATCH 04/18] io-controller: Modify cfq to make use of flat elevator
 fair queuing

Hi Vivek,

Since thinking time logic is moving to common layer, corresponding items
in cic is not needed.

Signed-off-by: Gui Jianfeng <guijianfeng@...fujitsu.com>
---
diff --git a/include/linux/iocontext.h b/include/linux/iocontext.h
index ed52a1f..1fe9d78 100644
--- a/include/linux/iocontext.h
+++ b/include/linux/iocontext.h
@@ -42,10 +42,6 @@ struct cfq_io_context {
 	unsigned long last_end_request;
 	sector_t last_request_pos;
 
-	unsigned long ttime_total;
-	unsigned long ttime_samples;
-	unsigned long ttime_mean;
-
 	unsigned int seek_samples;
 	u64 seek_total;
 	sector_t seek_mean;



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