From patchwork Sun Apr 21 00:07:08 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Theodore Ts'o X-Patchwork-Id: 238191 Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 7C8FA2C014E for ; Sun, 21 Apr 2013 10:07:50 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756153Ab3DUAHc (ORCPT ); Sat, 20 Apr 2013 20:07:32 -0400 Received: from li9-11.members.linode.com ([67.18.176.11]:43175 "EHLO imap.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756148Ab3DUAHa (ORCPT ); Sat, 20 Apr 2013 20:07:30 -0400 Received: from root (helo=closure.thunk.org) by imap.thunk.org with local-esmtp (Exim 4.80) (envelope-from ) id 1UThoo-0001rU-5W; Sun, 21 Apr 2013 00:07:46 +0000 Received: by closure.thunk.org (Postfix, from userid 15806) id 6F78458248A; Sat, 20 Apr 2013 20:07:08 -0400 (EDT) From: Theodore Ts'o To: Ext4 Developers List Cc: linux-mm@kvack.org, Linux Kernel Developers List , mgorman@suse.de, Theodore Ts'o Subject: [PATCH 3/3] ext4: mark metadata blocks using bh flags Date: Sat, 20 Apr 2013 20:07:08 -0400 Message-Id: <1366502828-7793-3-git-send-email-tytso@mit.edu> X-Mailer: git-send-email 1.7.12.rc0.22.gcdd159b In-Reply-To: <1366502828-7793-1-git-send-email-tytso@mit.edu> References: <20130421000522.GA5054@thunk.org> <1366502828-7793-1-git-send-email-tytso@mit.edu> X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: tytso@thunk.org X-SA-Exim-Scanned: No (on imap.thunk.org); SAEximRunCond expanded to false Sender: linux-ext4-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-ext4@vger.kernel.org This allows metadata writebacks which are issued via block device writeback to be sent with the current write request flags. Signed-off-by: "Theodore Ts'o" --- fs/ext4/ext4_jbd2.c | 2 ++ fs/ext4/inode.c | 6 +++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/fs/ext4/ext4_jbd2.c b/fs/ext4/ext4_jbd2.c index 0e1dc9e..fd97b81 100644 --- a/fs/ext4/ext4_jbd2.c +++ b/fs/ext4/ext4_jbd2.c @@ -215,6 +215,8 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line, might_sleep(); + mark_buffer_meta(bh); + mark_buffer_prio(bh); if (ext4_handle_valid(handle)) { err = jbd2_journal_dirty_metadata(handle, bh); if (err) { diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 62492e9..d7518e2 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -1080,10 +1080,14 @@ retry_journal: /* For write_end() in data=journal mode */ static int write_end_fn(handle_t *handle, struct buffer_head *bh) { + int ret; if (!buffer_mapped(bh) || buffer_freed(bh)) return 0; set_buffer_uptodate(bh); - return ext4_handle_dirty_metadata(handle, NULL, bh); + ret = ext4_handle_dirty_metadata(handle, NULL, bh); + clear_buffer_meta(bh); + clear_buffer_prio(bh); + return ret; } /*