From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Lameter Subject: [patch 13/21] Filesystem: Ext3 filesystem defrag Date: Fri, 09 May 2008 20:08:44 -0700 Message-ID: <20080510030917.677838256@sgi.com> References: <20080510030831.796641881@sgi.com> Cc: linux-kernel@vger.kernel.org To: akpm@linux-foundation.org Return-path: Received: from relay2.sgi.com ([192.48.171.30]:52602 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751719AbYEJDJS (ORCPT ); Fri, 9 May 2008 23:09:18 -0400 CC: linux-fsdevel@vger.kernel.org Cc: Mel Gorman Cc: andi@firstfloor.org Cc: Rik van Riel Cc: Pekka Enberg Cc: mpm@selenic.com Content-Disposition: inline; filename=ext3-defrag Sender: linux-fsdevel-owner@vger.kernel.org List-ID: Support defragmentation for ext3 filesystem inodes Reviewed-by: Rik van Riel Signed-off-by: Christoph Lameter --- fs/ext3/super.c | 8 ++++++++ 1 file changed, 8 insertions(+) Index: linux-2.6/fs/ext3/super.c =================================================================== --- linux-2.6.orig/fs/ext3/super.c 2008-05-07 21:23:41.941410081 -0700 +++ linux-2.6/fs/ext3/super.c 2008-05-07 21:25:55.453910361 -0700 @@ -484,6 +484,12 @@ static void init_once(struct kmem_cache inode_init_once(&ei->vfs_inode); } +static void *ext3_get_inodes(struct kmem_cache *s, int nr, void **v) +{ + return fs_get_inodes(s, nr, v, + offsetof(struct ext3_inode_info, vfs_inode)); +} + static int init_inodecache(void) { ext3_inode_cachep = kmem_cache_create("ext3_inode_cache", @@ -493,6 +499,8 @@ static int init_inodecache(void) init_once); if (ext3_inode_cachep == NULL) return -ENOMEM; + kmem_cache_setup_defrag(ext3_inode_cachep, + ext3_get_inodes, kick_inodes); return 0; } --