From patchwork Sat Jan 22 11:10:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Lei X-Patchwork-Id: 534818 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 82BB8C433EF for ; Sat, 22 Jan 2022 11:11:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234161AbiAVLLx (ORCPT ); Sat, 22 Jan 2022 06:11:53 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:44681 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234157AbiAVLLw (ORCPT ); Sat, 22 Jan 2022 06:11:52 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1642849912; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CpLLy27V5MbHuoHqIYVsmv/vaXJTkt3tPuaNGjzjjso=; b=VF5p26LB5BGmUk/JR0/4+FnOSolY7fqD0dMm3qmlYn0U8p+RjwNW5mZRwDvKIVmcmMbks/ H9MbbQQL+GwPofYENsuITisPakyzu6Yjb6VBx3OFV0Dh+eMi0VuRymGePH9blK/H0GWxue sa6settbe6xD7fMV5iRxOuXDZ1g0ou8= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-164-covyJr92MAS458TWqOBzTw-1; Sat, 22 Jan 2022 06:11:49 -0500 X-MC-Unique: covyJr92MAS458TWqOBzTw-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BD8B7814245; Sat, 22 Jan 2022 11:11:47 +0000 (UTC) Received: from localhost (ovpn-8-19.pek2.redhat.com [10.72.8.19]) by smtp.corp.redhat.com (Postfix) with ESMTP id B167E6F116; Sat, 22 Jan 2022 11:11:31 +0000 (UTC) From: Ming Lei To: Christoph Hellwig , Jens Axboe , "Martin K . Petersen" Cc: linux-block@vger.kernel.org, linux-nvme@lists.infradead.org, linux-scsi@vger.kernel.org, Ming Lei Subject: [PATCH V2 02/13] block: move initialization of q->blkg_list into blkcg_init_queue Date: Sat, 22 Jan 2022 19:10:43 +0800 Message-Id: <20220122111054.1126146-3-ming.lei@redhat.com> In-Reply-To: <20220122111054.1126146-1-ming.lei@redhat.com> References: <20220122111054.1126146-1-ming.lei@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org q->blkg_list is only used by blkcg code, so move it into blkcg_init_queue. Signed-off-by: Ming Lei --- block/blk-cgroup.c | 2 ++ block/blk-core.c | 3 --- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index 650f7e27989f..498753e2bb73 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -1176,6 +1176,8 @@ int blkcg_init_queue(struct request_queue *q) bool preloaded; int ret; + INIT_LIST_HEAD(&q->blkg_list); + new_blkg = blkg_alloc(&blkcg_root, q, GFP_KERNEL); if (!new_blkg) return -ENOMEM; diff --git a/block/blk-core.c b/block/blk-core.c index 97f8bc8d3a79..2a400fa8cabd 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -475,9 +475,6 @@ struct request_queue *blk_alloc_queue(int node_id, bool alloc_srcu) timer_setup(&q->timeout, blk_rq_timed_out_timer, 0); INIT_WORK(&q->timeout_work, blk_timeout_work); INIT_LIST_HEAD(&q->icq_list); -#ifdef CONFIG_BLK_CGROUP - INIT_LIST_HEAD(&q->blkg_list); -#endif kobject_init(&q->kobj, &blk_queue_ktype);