From patchwork Thu Jul 6 11:05:34 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yunlong Song X-Patchwork-Id: 9828045 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 02B7760317 for ; Thu, 6 Jul 2017 11:06:04 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E85962845C for ; Thu, 6 Jul 2017 11:06:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id DCD1828621; Thu, 6 Jul 2017 11:06:03 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 942AE2845C for ; Thu, 6 Jul 2017 11:06:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752228AbdGFLFv (ORCPT ); Thu, 6 Jul 2017 07:05:51 -0400 Received: from szxga03-in.huawei.com ([45.249.212.189]:8877 "EHLO szxga03-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751034AbdGFLFu (ORCPT ); Thu, 6 Jul 2017 07:05:50 -0400 Received: from 172.30.72.57 (EHLO DGGEML404-HUB.china.huawei.com) ([172.30.72.57]) by dggrg03-dlp.huawei.com (MOS 4.4.6-GA FastPath queued) with ESMTP id AQR57556; Thu, 06 Jul 2017 19:05:48 +0800 (CST) Received: from huawei.com (10.107.193.250) by DGGEML404-HUB.china.huawei.com (10.3.17.39) with Microsoft SMTP Server id 14.3.301.0; Thu, 6 Jul 2017 19:05:41 +0800 From: Yunlong Song To: , , , , CC: , , , , Subject: [PATCH] f2fs: no need to create issue_discard_thread if it exists Date: Thu, 6 Jul 2017 19:05:34 +0800 Message-ID: <1499339134-104480-1-git-send-email-yunlong.song@huawei.com> X-Mailer: git-send-email 1.8.5.2 MIME-Version: 1.0 X-Originating-IP: [10.107.193.250] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020206.595E198C.00EC, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2014-11-16 11:51:01, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 892f826de78ff01d620ca61ed0778268 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Yunlong Song --- fs/f2fs/segment.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 4c246e3..b48d004 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1417,6 +1417,8 @@ static int create_discard_cmd_control(struct f2fs_sb_info *sbi) if (SM_I(sbi)->dcc_info) { dcc = SM_I(sbi)->dcc_info; + if (dcc->f2fs_issue_discard) + return err; goto init_thread; }