From patchwork Sat May 14 09:05:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 12849733 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 8BCB6C4332F for ; Sat, 14 May 2022 08:51:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230303AbiENIvk (ORCPT ); Sat, 14 May 2022 04:51:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45800 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230102AbiENIvj (ORCPT ); Sat, 14 May 2022 04:51:39 -0400 Received: from szxga02-in.huawei.com (szxga02-in.huawei.com [45.249.212.188]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A66C911C17; Sat, 14 May 2022 01:51:37 -0700 (PDT) Received: from kwepemi100005.china.huawei.com (unknown [172.30.72.57]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4L0fLh6GVBzGpbN; Sat, 14 May 2022 16:48:44 +0800 (CST) Received: from kwepemm600009.china.huawei.com (7.193.23.164) by kwepemi100005.china.huawei.com (7.221.188.155) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 14 May 2022 16:51:35 +0800 Received: from huawei.com (10.175.127.227) by kwepemm600009.china.huawei.com (7.193.23.164) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.24; Sat, 14 May 2022 16:51:35 +0800 From: Yu Kuai To: , , , CC: , , , , Subject: [PATCH -next 3/8] block, bfq: factor out code to update 'active_entities' Date: Sat, 14 May 2022 17:05:17 +0800 Message-ID: <20220514090522.1669270-4-yukuai3@huawei.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220514090522.1669270-1-yukuai3@huawei.com> References: <20220514090522.1669270-1-yukuai3@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.127.227] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To kwepemm600009.china.huawei.com (7.193.23.164) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Current code is a bit ugly and hard to read. Signed-off-by: Yu Kuai Reviewed-by: Jan Kara --- block/bfq-wf2q.c | 61 +++++++++++++++++++++++++----------------------- 1 file changed, 32 insertions(+), 29 deletions(-) diff --git a/block/bfq-wf2q.c b/block/bfq-wf2q.c index 2f3fb45a32c3..c58568a4b009 100644 --- a/block/bfq-wf2q.c +++ b/block/bfq-wf2q.c @@ -230,6 +230,26 @@ static void bfq_dec_busy_queues(struct bfq_queue *bfqq) bfqq->bfqd->num_groups_with_busy_queues--; } +static void bfq_inc_active_entities(struct bfq_entity *entity) +{ + struct bfq_sched_data *sd = entity->sched_data; + struct bfq_group *bfqg = container_of(sd, struct bfq_group, sched_data); + struct bfq_data *bfqd = (struct bfq_data *)bfqg->bfqd; + + if (bfqg != bfqd->root_group) + bfqg->active_entities++; +} + +static void bfq_dec_active_entities(struct bfq_entity *entity) +{ + struct bfq_sched_data *sd = entity->sched_data; + struct bfq_group *bfqg = container_of(sd, struct bfq_group, sched_data); + struct bfq_data *bfqd = (struct bfq_data *)bfqg->bfqd; + + if (bfqg != bfqd->root_group) + bfqg->active_entities--; +} + #else /* CONFIG_BFQ_GROUP_IOSCHED */ static bool bfq_update_parent_budget(struct bfq_entity *next_in_service) @@ -250,6 +270,14 @@ static void bfq_dec_busy_queues(struct bfq_queue *bfqq) { } +static void bfq_inc_active_entities(struct bfq_entity *entity) +{ +} + +static void bfq_dec_active_entities(struct bfq_entity *entity) +{ +} + #endif /* CONFIG_BFQ_GROUP_IOSCHED */ /* @@ -476,11 +504,6 @@ static void bfq_active_insert(struct bfq_service_tree *st, { struct bfq_queue *bfqq = bfq_entity_to_bfqq(entity); struct rb_node *node = &entity->rb_node; -#ifdef CONFIG_BFQ_GROUP_IOSCHED - struct bfq_sched_data *sd = NULL; - struct bfq_group *bfqg = NULL; - struct bfq_data *bfqd = NULL; -#endif bfq_insert(&st->active, entity); @@ -491,17 +514,10 @@ static void bfq_active_insert(struct bfq_service_tree *st, bfq_update_active_tree(node); -#ifdef CONFIG_BFQ_GROUP_IOSCHED - sd = entity->sched_data; - bfqg = container_of(sd, struct bfq_group, sched_data); - bfqd = (struct bfq_data *)bfqg->bfqd; -#endif if (bfqq) list_add(&bfqq->bfqq_list, &bfqq->bfqd->active_list); -#ifdef CONFIG_BFQ_GROUP_IOSCHED - if (bfqg != bfqd->root_group) - bfqg->active_entities++; -#endif + + bfq_inc_active_entities(entity); } /** @@ -578,29 +594,16 @@ static void bfq_active_extract(struct bfq_service_tree *st, { struct bfq_queue *bfqq = bfq_entity_to_bfqq(entity); struct rb_node *node; -#ifdef CONFIG_BFQ_GROUP_IOSCHED - struct bfq_sched_data *sd = NULL; - struct bfq_group *bfqg = NULL; - struct bfq_data *bfqd = NULL; -#endif node = bfq_find_deepest(&entity->rb_node); bfq_extract(&st->active, entity); if (node) bfq_update_active_tree(node); - -#ifdef CONFIG_BFQ_GROUP_IOSCHED - sd = entity->sched_data; - bfqg = container_of(sd, struct bfq_group, sched_data); - bfqd = (struct bfq_data *)bfqg->bfqd; -#endif if (bfqq) list_del(&bfqq->bfqq_list); -#ifdef CONFIG_BFQ_GROUP_IOSCHED - if (bfqg != bfqd->root_group) - bfqg->active_entities--; -#endif + + bfq_dec_active_entities(entity); } /**