From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail202.messagelabs.com (mail202.messagelabs.com [216.82.254.227]) by kanga.kvack.org (Postfix) with ESMTP id 0F9EA6B01CA for ; Mon, 21 Jun 2010 19:22:34 -0400 (EDT) Date: Mon, 21 Jun 2010 16:21:40 -0700 From: Dan Magenheimer Subject: [PATCH V3 7/8] Cleancache: ext4 hook for cleancache Message-ID: <20100621232140.GA27990@ca-server1.us.oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sender: owner-linux-mm@kvack.org 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 List-ID: [PATCH V3 7/8] Cleancache: ext4 hook for cleancache Filesystems must explicitly enable cleancache by calling cleancache_init_fs anytime a instance of the filesystem is mounted and must save the returned poolid. For ext4, all other cleancache hooks are in the VFS layer including the matching cleancache_flush_fs hook which must be called on unmount. Signed-off-by: Dan Magenheimer Acked-by: Andreas Dilger Diffstat: super.c | 2 ++ 1 file changed, 2 insertions(+) --- linux-2.6.35-rc2/fs/ext4/super.c 2010-06-05 21:43:24.000000000 -0600 +++ linux-2.6.35-rc2-cleancache/fs/ext4/super.c 2010-06-11 09:01:37.000000000 -0600 @@ -39,6 +39,7 @@ #include #include #include +#include #include #include "ext4.h" @@ -1789,6 +1790,7 @@ static int ext4_setup_super(struct super EXT4_INODES_PER_GROUP(sb), sbi->s_mount_opt); + sb->cleancache_poolid = cleancache_init_fs(PAGE_SIZE); return res; } -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org