From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758784AbcH3Rqj (ORCPT ); Tue, 30 Aug 2016 13:46:39 -0400 Received: from mail-pa0-f67.google.com ([209.85.220.67]:33675 "EHLO mail-pa0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758146AbcH3Rqg (ORCPT ); Tue, 30 Aug 2016 13:46:36 -0400 Date: Tue, 30 Aug 2016 23:16:31 +0530 From: Bhaktipriya Shridhar To: David Howells , Mark Fasheh , Joel Becker , Michal Hocko , Johannes Weiner , Vladimir Davydov , "Kirill A. Shutemov" , "David S. Miller" , Eric Dumazet , Andrew Morton , Joseph Qi , "Norton.Zhu" , Jun Piao , xuejiufei Cc: ocfs2-devel@oss.oracle.com, linux-afs@lists.infradead.org, linux-kernel@vger.kernel.org, Tejun Heo Subject: [PATCH 7/9] fs/ocfs2/super: Remove deprecated create_singlethread_workqueue Message-ID: <66279de510a7f4cfc6e386d99b7e04b3f65fb11b.1472578959.git.bhaktipriya96@gmail.com> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The workqueue "ocfs2_wq" queues multiple work items viz &osb->la_enable_wq, &journal->j_recovery_work, &os->os_orphan_scan_work, &osb->osb_truncate_log_wq which require strict execution ordering. Hence, an ordered dedicated workqueue has been used. WQ_MEM_RECLAIM has been set to ensure forward progress under memory pressure because the workqueue is being used on a memory reclaim path. Signed-off-by: Bhaktipriya Shridhar --- fs/ocfs2/super.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c index d7cae33..af5285d 100644 --- a/fs/ocfs2/super.c +++ b/fs/ocfs2/super.c @@ -2330,7 +2330,7 @@ static int ocfs2_initialize_super(struct super_block *sb, } cleancache_init_shared_fs(sb); - osb->ocfs2_wq = create_singlethread_workqueue("ocfs2_wq"); + osb->ocfs2_wq = alloc_ordered_workqueue("ocfs2_wq", WQ_MEM_RECLAIM); if (!osb->ocfs2_wq) { status = -ENOMEM; mlog_errno(status); -- 2.1.4