linux-kernel - [RFC][patch 1/11][CFQ-cgroup] Add Configuration

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Message-Id: <007e01c893da$9c41ca10$d4c55e30$@jp.nec.com>
Date:	Tue, 1 Apr 2008 18:27:31 +0900
From:	"Satoshi UCHIDA" <s-uchida@...jp.nec.com>
To:	<linux-kernel@...r.kernel.org>,
	<containers@...ts.linux-foundation.org>, <axboe@...nel.dk>,
	<menage@...gle.com>
Cc:	<s-uchida@...jp.nec.com>,
	"'Tomoyoshi Sugawara'" <tom-sugawara@...jp.nec.com>,
	<m-takahashi@...jp.nec.com>
Subject: [RFC][patch 1/11][CFQ-cgroup] Add Configuration

This patch adds configuration entry into block/Kconfig.iosched.

   Signed-off-by: Satoshi UCHIDA <uchida@...jp.nec.com>

diff --git a/block/Kconfig.iosched b/block/Kconfig.iosched
index 96a01b3..493c68c 100644
--- a/block/Kconfig.iosched
+++ b/block/Kconfig.iosched
@@ -25,6 +25,15 @@ config IOSCHED_CFQ
 
 	  If unsure, say Y.
 
+config CGROUP_CFQ
+	bool "handling cgroup in CFQ"
+	default n
+	depends on IOSCHED_CFQ && CGROUPS
+	---help---
+          This option exptends CFQ to handling cgroup.
+          CFQ is changed into two layler control
+          per-cgroup layler and per-task layler.
+	
 config IOSCHED_AS
 	tristate "Anticipatory I/O scheduler"
 	default y

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