linux-kernel - [PATCH 01/17] ocfs2: Add CONFIG_OCFS2_FS

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Date:	Mon, 14 Jul 2008 15:01:34 -0700
From:	Mark Fasheh <mfasheh@...e.com>
To:	linux-kernel@...r.kernel.org
Cc:	Mark Fasheh <mfasheh@...e.com>, ocfs2-devel@....oracle.com,
	Joel Becker <joel.becker@...cle.com>,
	Sunil Mushran <sunil.mushran@...cle.com>
Subject: [PATCH 01/17] ocfs2: Add CONFIG_OCFS2_FS_STATS config option

From: Sunil Mushran <sunil.mushran@...cle.com>

This patch adds config option CONFIG_OCFS2_FS_STATS to allow building
the fs with instrumentation enabled. An upcoming patch will provide
support to instrument cluster locking, which is a crucial overhead in
a cluster file system. This config option allows users to avoid the cpu
and memory overhead that is involved in gathering such statistics.

Signed-off-by: Sunil Mushran <sunil.mushran@...cle.com>
Signed-off-by: Mark Fasheh <mfasheh@...e.com>
---
 fs/Kconfig |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/fs/Kconfig b/fs/Kconfig
index 2694648..9c07a4f 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -470,6 +470,14 @@ config OCFS2_FS_USERSPACE_CLUSTER
 	  It is safe to say Y, as the clustering method is run-time
 	  selectable.
 
+config OCFS2_FS_STATS
+	bool "OCFS2 statistics"
+	depends on OCFS2_FS
+	default y
+	help
+	  This option allows some fs statistics to be captured. Enabling
+	  this option may increase the memory consumption.
+
 config OCFS2_DEBUG_MASKLOG
 	bool "OCFS2 logging support"
 	depends on OCFS2_FS
-- 
1.5.4.1

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