From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753658Ab3AOFoY (ORCPT ); Tue, 15 Jan 2013 00:44:24 -0500 Received: from aserp1040.oracle.com ([141.146.126.69]:45322 "EHLO aserp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750963Ab3AOFoW (ORCPT ); Tue, 15 Jan 2013 00:44:22 -0500 Subject: [PATCH 5/6] ocfs2: Wait for page writeback to provide stable pages To: axboe@kernel.dk, lucho@ionkov.net, jack@suse.cz, darrick.wong@oracle.com, ericvh@gmail.com, tytso@mit.edu, viro@zeniv.linux.org.uk, rminnich@sandia.gov From: "Darrick J. Wong" Cc: martin.petersen@oracle.com, neilb@suse.de, Mark Fasheh , david@fromorbit.com, gnehzuil.liu@gmail.com, linux-kernel@vger.kernel.org, hch@infradead.org, linux-fsdevel@vger.kernel.org, adilger.kernel@dilger.ca, ocfs2-devel@oss.oracle.com, bharrosh@panasas.com, jlayton@samba.org, linux-ext4@vger.kernel.org, hirofumi@mail.parknet.co.jp, Joel Becker Date: Mon, 14 Jan 2013 21:43:13 -0800 Message-ID: <20130115054313.1563.70148.stgit@blackbox.djwong.org> In-Reply-To: <20130115054235.1563.12967.stgit@blackbox.djwong.org> References: <20130115054235.1563.12967.stgit@blackbox.djwong.org> User-Agent: StGit/0.15 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Source-IP: ucsinet21.oracle.com [156.151.31.93] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org When stable pages are required, we have to wait if the page is just going to disk and we want to modify it. Add proper callback to ocfs2_grab_pages_for_write(). CC: ocfs2-devel@oss.oracle.com CC: Joel Becker CC: Mark Fasheh From: Jan Kara Signed-off-by: Jan Kara --- fs/ocfs2/aops.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ocfs2/aops.c b/fs/ocfs2/aops.c index 6577432..9796330 100644 --- a/fs/ocfs2/aops.c +++ b/fs/ocfs2/aops.c @@ -1194,6 +1194,7 @@ static int ocfs2_grab_pages_for_write(struct address_space *mapping, goto out; } } + wait_for_stable_page(wc->w_pages[i]); if (index == target_index) wc->w_target_page = wc->w_pages[i];