From patchwork Wed Sep 7 14:46:45 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 9319411 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 C3180601C0 for ; Wed, 7 Sep 2016 14:49:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B4D2D293AD for ; Wed, 7 Sep 2016 14:49:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A9901293BE; Wed, 7 Sep 2016 14:49:27 +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=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham 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 33825293AD for ; Wed, 7 Sep 2016 14:49:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S935768AbcIGOtM (ORCPT ); Wed, 7 Sep 2016 10:49:12 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:45773 "EHLO mx0a-00082601.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S936336AbcIGOrB (ORCPT ); Wed, 7 Sep 2016 10:47:01 -0400 Received: from pps.filterd (m0089730.ppops.net [127.0.0.1]) by m0089730.ppops.net (8.16.0.17/8.16.0.17) with SMTP id u87EhmZk007771; Wed, 7 Sep 2016 07:46:59 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=fb.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=facebook; bh=EN1J9lBbdeF/WT4sp9/+qki4h0h4wuEA4kdXnaUEUAs=; b=U/XmyYkeR1TjTHB4EgzI8kK2BKty0Og/0zqaJzpaSg/wGKOA2BVGTwxFtbcj6xnQDQH2 cJC++NTee0h6Juzn3cR3EAbPNQQ3Spp2PwLXPoN9TBxcg3NiljdtlM55mD+IK/J1z+5T oNGhPxFKRVLm3uMUi9Id7p4rblt85TmkoY0= Received: from mail.thefacebook.com ([199.201.64.23]) by m0089730.ppops.net with ESMTP id 25a5815a65-5 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 07 Sep 2016 07:46:59 -0700 Received: from localhost.localdomain (192.168.54.13) by mail.thefacebook.com (192.168.16.22) with Microsoft SMTP Server (TLS) id 14.3.294.0; Wed, 7 Sep 2016 07:46:56 -0700 From: Jens Axboe To: , , , CC: Jens Axboe Subject: [PATCH 3/8] writeback: use WRITE_BG for kupdate and background writeback Date: Wed, 7 Sep 2016 08:46:45 -0600 Message-ID: <1473259610-3295-4-git-send-email-axboe@fb.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1473259610-3295-1-git-send-email-axboe@fb.com> References: <1473259610-3295-1-git-send-email-axboe@fb.com> MIME-Version: 1.0 X-Originating-IP: [192.168.54.13] X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-09-07_07:, , signatures=0 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP If we're doing background type writes, then use the appropriate write command for that. Signed-off-by: Jens Axboe --- include/linux/writeback.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/writeback.h b/include/linux/writeback.h index 608afd39b1c2..e53abf2bf2d8 100644 --- a/include/linux/writeback.h +++ b/include/linux/writeback.h @@ -104,6 +104,8 @@ static inline int wbc_to_write_flags(struct writeback_control *wbc) { if (wbc->sync_mode == WB_SYNC_ALL) return WRITE_SYNC; + else if (wbc->for_kupdate || wbc->for_background) + return WRITE_BG; return 0; }