From patchwork Mon Mar 23 04:54:59 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tejun Heo X-Patchwork-Id: 6069331 Return-Path: X-Original-To: patchwork-linux-fsdevel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 370B1BF90F for ; Mon, 23 Mar 2015 04:58:00 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 63E90201F2 for ; Mon, 23 Mar 2015 04:57:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8995C20219 for ; Mon, 23 Mar 2015 04:57:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752446AbbCWE5p (ORCPT ); Mon, 23 Mar 2015 00:57:45 -0400 Received: from mail-qc0-f175.google.com ([209.85.216.175]:32982 "EHLO mail-qc0-f175.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752568AbbCWE4a (ORCPT ); Mon, 23 Mar 2015 00:56:30 -0400 Received: by qcbjx9 with SMTP id jx9so98010665qcb.0; Sun, 22 Mar 2015 21:56:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:in-reply-to:references; bh=Y4aYNQ1Buh7bgCEqFGm9JIWYwJ5CnKzv7xnmzB9pkTQ=; b=CsLMqSDW5klDUAVmVwQEg6EbZnqO9hPSHs+oBTQmlOHjvN4MOCld7l5V2KWC1ERCmx G1pkqirPrYomL8k1poZ4vCuLcTdF/lOwNXdVIqipwZIvb7SaLKTyqRjC79QWBf0Hq/aW 1v6oM7u/1EjXYLiiV4Fk0nbelt0F2mtRMHLRloGByxWEBwUHxEISFi27XP+wLjbtJ3T6 JymengyjCj2HJWWt9MU0bm07PtZwsJvZgs4x5+iNebCRvxS3Lh0nc5g+BQT8ADgDkKRt maVbJXB3nNLvLpBJQXLp5K4K1ZU3NkI+19la7hyWkcJMileV5wt6mMFtR1EosXFDoh6s w4zw== X-Received: by 10.140.149.150 with SMTP id 144mr22369909qhv.16.1427086589197; Sun, 22 Mar 2015 21:56:29 -0700 (PDT) Received: from htj.duckdns.org.lan (207-38-238-8.c3-0.wsd-ubr1.qens-wsd.ny.cable.rcn.com. [207.38.238.8]) by mx.google.com with ESMTPSA id n20sm8504159qgd.48.2015.03.22.21.56.27 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 22 Mar 2015 21:56:28 -0700 (PDT) From: Tejun Heo To: axboe@kernel.dk Cc: linux-kernel@vger.kernel.org, jack@suse.cz, hch@infradead.org, hannes@cmpxchg.org, linux-fsdevel@vger.kernel.org, vgoyal@redhat.com, lizefan@huawei.com, cgroups@vger.kernel.org, linux-mm@kvack.org, mhocko@suse.cz, clm@fb.com, fengguang.wu@intel.com, david@fromorbit.com, gthelen@google.com, Tejun Heo , linux-ext4@vger.kernel.org Subject: [PATCH 48/48] ext2: enable cgroup writeback support Date: Mon, 23 Mar 2015 00:54:59 -0400 Message-Id: <1427086499-15657-49-git-send-email-tj@kernel.org> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1427086499-15657-1-git-send-email-tj@kernel.org> References: <1427086499-15657-1-git-send-email-tj@kernel.org> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Writeback now supports cgroup writeback and the generic writeback, buffer, libfs, and mpage helpers that ext2 uses are all updated to work with cgroup writeback. This patch enables cgroup writeback for ext2 by adding FS_CGROUP_WRITEBACK to its ->fs_flags. Signed-off-by: Tejun Heo Cc: Jens Axboe Cc: Jan Kara Cc: linux-ext4@vger.kernel.org --- fs/ext2/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ext2/super.c b/fs/ext2/super.c index d0e746e..549219d 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -1543,7 +1543,7 @@ static struct file_system_type ext2_fs_type = { .name = "ext2", .mount = ext2_mount, .kill_sb = kill_block_super, - .fs_flags = FS_REQUIRES_DEV, + .fs_flags = FS_REQUIRES_DEV | FS_CGROUP_WRITEBACK, }; MODULE_ALIAS_FS("ext2");