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

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Message-ID: <20100422132749.GA27287@ca-server1.us.oracle.com>
Date:	Thu, 22 Apr 2010 06:27:49 -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
Subject: Cleancache [PATCH 1/7] (was Transcendent Memory):
	cleancache_poolid in superblock

(Sorry for resend... Mail server DNS problems sending to some recipients)

Cleancache [PATCH 1/7] (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-rc5/include/linux/fs.h	2010-04-19 17:29:56.000000000 -0600
+++ linux-2.6.34-rc5-cleancache/include/linux/fs.h	2010-04-21 10:06:28.000000000 -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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