linux-ext4 - [PATCH V2 1/7] Cleancache (was Transcendent Memory): cleancache

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Message-ID: <20100528173530.GA12186@ca-server1.us.oracle.com>
Date:	Fri, 28 May 2010 10:35:30 -0700
From:	Dan Magenheimer <dan.magenheimer@...cle.com>
To:	chris.mason@...cle.com, viro@...iv.linux.org.uk,
	akpm@...ux-foundation.org, adilger@....com, tytso@....edu,
	mfasheh@...e.com, joel.becker@...cle.com, matthew@....cx,
	linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org, linux-ext4@...r.kernel.org,
	ocfs2-devel@....oracle.com, linux-mm@...ck.org, ngupta@...are.org,
	jeremy@...p.org, JBeulich@...ell.com, kurt.hackel@...cle.com,
	npiggin@...e.de, dave.mccracken@...cle.com, riel@...hat.com,
	avi@...hat.com, konrad.wilk@...cle.com, dan.magenheimer@...cle.com
Subject: [PATCH V2 1/7] Cleancache (was Transcendent Memory):
	cleancache_poolid in superblock

[PATCH V2 1/7] Cleancache (was Transcendent Memory): cleancache_poolid in superblock

Add cleancache_poolid to superblock structure... not tied
to CONFIG_CLEANCACHE so as to avoid unnecessary clutter.

Signed-off-by: Dan Magenheimer <dan.magenheimer@...cle.com>

Diffstat:
 fs.h                                     |    5 +++++
 1 file changed, 5 insertions(+)

--- linux-2.6.34/include/linux/fs.h	2010-05-16 15:17:36.000000000 -0600
+++ linux-2.6.34-cleancache/include/linux/fs.h	2010-05-24 12:14:44.000000000 -0600
@@ -1383,6 +1383,11 @@ struct super_block {
 	 * generic_show_options()
 	 */
 	char *s_options;
+
+	/*
+	 * Saved pool identifier for cleancache (-1 means none)
+	 */
+	int cleancache_poolid;
 };
 
 extern struct timespec current_fs_time(struct super_block *sb);
--
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