From: Dan Magenheimer Subject: [PATCH V2 1/7] Cleancache (was Transcendent Memory): cleancache_poolid in superblock Date: Fri, 28 May 2010 10:35:30 -0700 Message-ID: <20100528173530.GA12186__4585.79648188806$1275068240$gmane$org@ca-server1.us.oracle.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii To: chris.mason@oracle.com, viro@zeniv.linux.org.uk, akpm@linux-foundation.org, adilger@sun.com, tytso@mit.edu, mfasheh@suse.com, joel.becker@oracle.com, matthew@wil.cx, linux-btrfs@vger. Return-path: Received: from rcsinet10.oracle.com ([148.87.113.121]:54254 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755474Ab0E1RhL (ORCPT ); Fri, 28 May 2010 13:37:11 -0400 Content-Disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: [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 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);