From patchwork Fri May 28 17:35:30 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dan Magenheimer X-Patchwork-Id: 102942 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by demeter.kernel.org (8.14.3/8.14.3) with ESMTP id o4SHeqha030520 for ; Fri, 28 May 2010 17:40:52 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758914Ab0E1RhN (ORCPT ); Fri, 28 May 2010 13:37:13 -0400 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 Received: from rcsinet15.oracle.com (rcsinet15.oracle.com [148.87.113.117]) by rcsinet10.oracle.com (Switch-3.4.2/Switch-3.4.1) with ESMTP id o4SHaIOT002106 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=OK); Fri, 28 May 2010 17:36:20 GMT Received: from acsmt355.oracle.com (acsmt355.oracle.com [141.146.40.155]) by rcsinet15.oracle.com (Switch-3.4.2/Switch-3.4.1) with ESMTP id o4SGKlMh012355; Fri, 28 May 2010 17:36:15 GMT Received: from ca-server1.us.oracle.com by acsmt353.oracle.com with ESMTP id 278042521275068132; Fri, 28 May 2010 10:35:32 -0700 Received: from dmagenhe by ca-server1.us.oracle.com with local (Exim 4.69) (envelope-from ) id 1OI3T0-0003Ae-J9; Fri, 28 May 2010 10:35:30 -0700 Date: Fri, 28 May 2010 10:35:30 -0700 From: Dan Magenheimer 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.kernel.org, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, ocfs2-devel@oss.oracle.com, linux-mm@kvack.org, ngupta@vflare.org, jeremy@goop.org, JBeulich@novell.com, kurt.hackel@oracle.com, npiggin@suse.de, dave.mccracken@oracle.com, riel@redhat.com, avi@redhat.com, konrad.wilk@oracle.com, dan.magenheimer@oracle.com Subject: [PATCH V2 1/7] Cleancache (was Transcendent Memory): cleancache_poolid in superblock Message-ID: <20100528173530.GA12186@ca-server1.us.oracle.com> MIME-Version: 1.0 Content-Disposition: inline User-Agent: Mutt/1.5.16 (2007-06-11) X-Auth-Type: Internal IP X-Source-IP: rcsinet15.oracle.com [148.87.113.117] X-CT-RefId: str=0001.0A090209.4BFFFF15.0052:SCFMA4539811,ss=1,fgs=0 Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]); Fri, 28 May 2010 17:40:52 +0000 (UTC) --- 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);