From patchwork Thu Dec 22 19:16:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kemeng Shi X-Patchwork-Id: 13079596 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10123C4332F for ; Thu, 22 Dec 2022 11:17:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231892AbiLVLRz (ORCPT ); Thu, 22 Dec 2022 06:17:55 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235389AbiLVLRv (ORCPT ); Thu, 22 Dec 2022 06:17:51 -0500 Received: from dggsgout11.his.huawei.com (unknown [45.249.212.51]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A318022BD8; Thu, 22 Dec 2022 03:17:50 -0800 (PST) Received: from mail02.huawei.com (unknown [172.30.67.169]) by dggsgout11.his.huawei.com (SkyGuard) with ESMTP id 4Nd7892rr7z4f3pFL; Thu, 22 Dec 2022 19:17:45 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.124.27]) by APP2 (Coremail) with SMTP id Syh0CgB3a+nXPKRjMew+AQ--.3596S10; Thu, 22 Dec 2022 19:17:48 +0800 (CST) From: Kemeng Shi To: paolo.valente@linaro.org, axboe@kernel.dk, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Cc: jack@suse.cz, hch@lst.de, damien.lemoal@wdc.com Subject: [PATCH RESEND v2 08/10] block, bfq: remove unnecessary goto tag in bfq_dispatch_rq_from_bfqq Date: Fri, 23 Dec 2022 03:16:39 +0800 Message-Id: <20221222191641.1643117-9-shikemeng@huaweicloud.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20221222191641.1643117-1-shikemeng@huaweicloud.com> References: <20221222191641.1643117-1-shikemeng@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: Syh0CgB3a+nXPKRjMew+AQ--.3596S10 X-Coremail-Antispam: 1UD129KBjvdXoWruF4UWF4DWFyxKr47GF15urg_yoWkZFXEyF 409r9ayFWkCF98Wr4YkFsrJF1jyFW2qa1DtF1Fg3y2g3W7J3ZYyF9IqrsIka95WrWIkFyY qFs0q343Jr1UXjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbSxYFVCjjxCrM7AC8VAFwI0_Wr0E3s1l1xkIjI8I6I8E6xAIw20E Y4v20xvaj40_Wr0E3s1l1IIY67AEw4v_Jr0_Jr4l87I20VAvwVAaII0Ic2I_JFv_Gryl82 xGYIkIc2x26280x7IE14v26r126s0DM28IrcIa0xkI8VCY1x0267AKxVW5JVCq3wA2ocxC 64kIII0Yj41l84x0c7CEw4AK67xGY2AK021l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM2 8EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4UJVWxJr1l84ACjcxK6I8E87Iv67AKxVW0oVCq 3wA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_GcCE3s1le2I262IYc4CY6c8Ij28IcVAaY2xG8w Aqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE 14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x 0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E 7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcV C0I7IYx2IY67AKxVWUCVW8JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE 42xK8VAvwI8IcIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVW8JVWxJwCI42IY6I8E87Iv6x kF7I0E14v26r4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjxUIL05UUUUU X-CM-SenderInfo: 5vklyvpphqwq5kxd4v5lfo033gof0z/ X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org We jump to tag only for returning current rq. Return directly to remove this tag. Signed-off-by: Kemeng Shi --- block/bfq-iosched.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/block/bfq-iosched.c b/block/bfq-iosched.c index 89995815dbae..195cdc6be087 100644 --- a/block/bfq-iosched.c +++ b/block/bfq-iosched.c @@ -4965,7 +4965,7 @@ static struct request *bfq_dispatch_rq_from_bfqq(struct bfq_data *bfqd, bfq_dispatch_remove(bfqd->queue, rq); if (bfqq != bfqd->in_service_queue) - goto return_rq; + return rq; /* * If weight raising has to terminate for bfqq, then next @@ -4985,12 +4985,9 @@ static struct request *bfq_dispatch_rq_from_bfqq(struct bfq_data *bfqd, * belongs to CLASS_IDLE and other queues are waiting for * service. */ - if (!(bfq_tot_busy_queues(bfqd) > 1 && bfq_class_idle(bfqq))) - goto return_rq; + if ((bfq_tot_busy_queues(bfqd) > 1 && bfq_class_idle(bfqq))) + bfq_bfqq_expire(bfqd, bfqq, false, BFQQE_BUDGET_EXHAUSTED); - bfq_bfqq_expire(bfqd, bfqq, false, BFQQE_BUDGET_EXHAUSTED); - -return_rq: return rq; }