From patchwork Fri Oct 9 03:26:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yufen Yu X-Patchwork-Id: 11824895 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 36F691752 for ; Fri, 9 Oct 2020 03:23:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 265C72222D for ; Fri, 9 Oct 2020 03:23:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730078AbgJIDX0 (ORCPT ); Thu, 8 Oct 2020 23:23:26 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:14756 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1729593AbgJIDX0 (ORCPT ); Thu, 8 Oct 2020 23:23:26 -0400 Received: from DGGEMS409-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 16F4CB4E61498A36C986; Fri, 9 Oct 2020 11:23:24 +0800 (CST) Received: from huawei.com (10.175.101.6) by DGGEMS409-HUB.china.huawei.com (10.3.19.209) with Microsoft SMTP Server id 14.3.487.0; Fri, 9 Oct 2020 11:23:22 +0800 From: Yufen Yu To: CC: , , Subject: [RESEND PATCH v2 2/7] block: remove redundant mq check Date: Thu, 8 Oct 2020 23:26:28 -0400 Message-ID: <20201009032633.83645-3-yuyufen@huawei.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20201009032633.83645-1-yuyufen@huawei.com> References: <20201009032633.83645-1-yuyufen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.101.6] X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org elv_support_iosched() will check queue_is_mq() for us. So, remove the redundant check to clean code. Signed-off-by: Yufen Yu --- block/elevator.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/block/elevator.c b/block/elevator.c index 7d76b61e157a..b506895b34c7 100644 --- a/block/elevator.c +++ b/block/elevator.c @@ -615,7 +615,7 @@ int elevator_switch_mq(struct request_queue *q, static inline bool elv_support_iosched(struct request_queue *q) { - if (!q->mq_ops || + if (!queue_is_mq(q) || (q->tag_set && (q->tag_set->flags & BLK_MQ_F_NO_SCHED))) return false; return true; @@ -763,7 +763,7 @@ ssize_t elv_iosched_store(struct request_queue *q, const char *name, { int ret; - if (!queue_is_mq(q) || !elv_support_iosched(q)) + if (!elv_support_iosched(q)) return count; ret = __elevator_change(q, name);