From patchwork Sat Jul 4 07:28:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baolin Wang X-Patchwork-Id: 11643379 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 3B41A6C1 for ; Sat, 4 Jul 2020 07:28:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C157207D4 for ; Sat, 4 Jul 2020 07:28:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726963AbgGDH2d (ORCPT ); Sat, 4 Jul 2020 03:28:33 -0400 Received: from out30-54.freemail.mail.aliyun.com ([115.124.30.54]:53957 "EHLO out30-54.freemail.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725911AbgGDH2d (ORCPT ); Sat, 4 Jul 2020 03:28:33 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R521e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01f04397;MF=baolin.wang@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0U1eK0P2_1593847710; Received: from localhost(mailfrom:baolin.wang@linux.alibaba.com fp:SMTPD_---0U1eK0P2_1593847710) by smtp.aliyun-inc.com(127.0.0.1); Sat, 04 Jul 2020 15:28:30 +0800 From: Baolin Wang To: axboe@kernel.dk Cc: ming.lei@redhat.com, baolin.wang@linux.alibaba.com, baolin.wang7@gmail.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] blk-mq: Remove unnecessary validation before calling blk_mq_sched_completed_request() Date: Sat, 4 Jul 2020 15:28:21 +0800 Message-Id: <969d0e9f637b2a0dbfb3d284abfbed6fc7665ea4.1593846855.git.baolin.wang7@gmail.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org We've already validated the 'q->elevator' before calling ->ops.completed_request() in blk_mq_sched_completed_request(), thus no need to validate rq->internal_tag again, and remove it. Signed-off-by: Baolin Wang Reviewed-by: Ming Lei --- block/blk-mq.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/block/blk-mq.c b/block/blk-mq.c index abcf590f6238..78572b2e1675 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -550,8 +550,7 @@ inline void __blk_mq_end_request(struct request *rq, blk_status_t error) blk_stat_add(rq, now); } - if (rq->internal_tag != BLK_MQ_NO_TAG) - blk_mq_sched_completed_request(rq, now); + blk_mq_sched_completed_request(rq, now); blk_account_io_done(rq, now);