From patchwork Sat Oct 14 09:22:28 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Lei X-Patchwork-Id: 10006319 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 6EFF56037E for ; Sat, 14 Oct 2017 09:24:17 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5158329051 for ; Sat, 14 Oct 2017 09:24:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4619C29054; Sat, 14 Oct 2017 09:24:17 +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 1312C29051 for ; Sat, 14 Oct 2017 09:24:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751734AbdJNJXK (ORCPT ); Sat, 14 Oct 2017 05:23:10 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49296 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750970AbdJNJXI (ORCPT ); Sat, 14 Oct 2017 05:23:08 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 7B1FB4E047; Sat, 14 Oct 2017 09:23:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mx1.redhat.com 7B1FB4E047 Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; dmarc=none (p=none dis=none) header.from=redhat.com Authentication-Results: ext-mx09.extmail.prod.ext.phx2.redhat.com; spf=fail smtp.mailfrom=ming.lei@redhat.com Received: from localhost (ovpn-12-19.pek2.redhat.com [10.72.12.19]) by smtp.corp.redhat.com (Postfix) with ESMTP id DA4BD612A2; Sat, 14 Oct 2017 09:23:07 +0000 (UTC) From: Ming Lei To: Jens Axboe , linux-block@vger.kernel.org, Christoph Hellwig Cc: Bart Van Assche , Laurence Oberman , Paolo Valente , Oleksandr Natalenko , Tom Nguyen , linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, Omar Sandoval , John Garry , Ming Lei Subject: [PATCH V10 4/8] block: kyber: check if there is request in ctx in kyber_has_work() Date: Sat, 14 Oct 2017 17:22:28 +0800 Message-Id: <20171014092232.13943-5-ming.lei@redhat.com> In-Reply-To: <20171014092232.13943-1-ming.lei@redhat.com> References: <20171014092232.13943-1-ming.lei@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.38]); Sat, 14 Oct 2017 09:23:08 +0000 (UTC) Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP There may be request in sw queue, and not fetched to domain queue yet, so check it in kyber_has_work(). Signed-off-by: Ming Lei --- block/kyber-iosched.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/block/kyber-iosched.c b/block/kyber-iosched.c index f58cab82105b..94df3ce99f2f 100644 --- a/block/kyber-iosched.c +++ b/block/kyber-iosched.c @@ -641,7 +641,7 @@ static bool kyber_has_work(struct blk_mq_hw_ctx *hctx) if (!list_empty_careful(&khd->rqs[i])) return true; } - return false; + return sbitmap_any_bit_set(&hctx->ctx_map); } #define KYBER_LAT_SHOW_STORE(op) \