From patchwork Thu May 11 01:45:06 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yu Kuai X-Patchwork-Id: 92340 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp4046217vqo; Wed, 10 May 2023 18:51:18 -0700 (PDT) X-Google-Smtp-Source: ACHHUZ6s1tnVx1VFe1Mn/JmINYzFrZPaxFw0VhDUcB9n/BEYSztQuE2seOpu7mKsz5S92ImPkNHp X-Received: by 2002:a05:6a00:448e:b0:643:4608:7c2d with SMTP id cu14-20020a056a00448e00b0064346087c2dmr27240496pfb.12.1683769878198; Wed, 10 May 2023 18:51:18 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1683769878; cv=none; d=google.com; s=arc-20160816; b=yriuiNs6P7jV6r0N0jePSy7reFsiLQicPnIcHKQO+1+v9Ei4Q6/7Wr98eJ8oQDRQaz GXenoOpDCRBYIoZ5bOr7UXONJvcBXaxHfjZyWJWyjkOOu8EEEfJWVUYy+XuyIDEAe8oy WnFABdxcOqgFev1KhDz125iDcRL0kBfN+9GtQoJ0uGWOfwIcIPsUa/0yUaqQPDEq3XXY uu419Q/j0N0Tj+zyBZHt9upg+ojQKRx+lvoVVwDTB3kUcSiBzSYR+g9hFtKe8SjV+w1g SGLmvltU0KqaO5YO5KSEe2GW6ugxxeEs32X9GmYI5PPpGZ1SQUVKelCnFD7aSx0kwRAG YynQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=DzSAf+cmbinr4rZuc1vlQSdaSDmOfCfTv6rKEP8DxkY=; b=cK0Ev8f5aGMVH3UKhleYWx1ViJ5+LVkdKIXvt7vPsHpR7ndOf/adcsh+zgGUpVajtA 6YQ6/DoCtP8jizqqebP1ZBGcdzWjeaA7WFNySAr8tQLsHypeyMrB2rcC2b2FwEMVvg9g ZNeMuGOFJVb2J943yqc1XCpOcBAomPh++TMmuMrvLxLpV0InSq8bXG8zZ3SzZLAuDmcr oBqeUXbD2xMXk4YM0kACX8hMnNeqd1r/u0OMH2fTHgaK0DsAdqL3cy7gGEW1qq0l7DEq KU8/LmYDAbN4kLhoSn1F++MyZnXnyX8Qm/8NZiTMgDTHxriUO/udPa0oqCuNzItXaRi5 aJGA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id p37-20020a635b25000000b004fbd2a5db20si5217607pgb.538.2023.05.10.18.51.03; Wed, 10 May 2023 18:51:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230395AbjEKBsG (ORCPT + 99 others); Wed, 10 May 2023 21:48:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37968 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237016AbjEKBrx (ORCPT ); Wed, 10 May 2023 21:47:53 -0400 Received: from dggsgout12.his.huawei.com (dggsgout12.his.huawei.com [45.249.212.56]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7BE375BA9; Wed, 10 May 2023 18:47:51 -0700 (PDT) Received: from mail02.huawei.com (unknown [172.30.67.153]) by dggsgout12.his.huawei.com (SkyGuard) with ESMTP id 4QGvst2lPxz4f3l2X; Thu, 11 May 2023 09:47:46 +0800 (CST) Received: from huaweicloud.com (unknown [10.175.104.67]) by APP2 (Coremail) with SMTP id Syh0CgA33eo_SVxkrgJdJA--.7260S7; Thu, 11 May 2023 09:47:48 +0800 (CST) From: Yu Kuai To: hch@lst.de, tj@kernel.org, josef@toxicpanda.com, axboe@kernel.dk, yukuai3@huawei.com Cc: cgroups@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, yukuai1@huaweicloud.com, yi.zhang@huawei.com, yangerkun@huawei.com Subject: [PATCH -next 3/6] blk-wbt: don't enable wbt for bio based device Date: Thu, 11 May 2023 09:45:06 +0800 Message-Id: <20230511014509.679482-4-yukuai1@huaweicloud.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230511014509.679482-1-yukuai1@huaweicloud.com> References: <20230511014509.679482-1-yukuai1@huaweicloud.com> MIME-Version: 1.0 X-CM-TRANSID: Syh0CgA33eo_SVxkrgJdJA--.7260S7 X-Coremail-Antispam: 1UD129KBjvdXoWrKFyfXw43GrWUZF1rKF4UJwb_yoW3Jrg_uF 1kur1Iqrn3AFn29r4ayr4FqFZ5G3s5XFWUWFWkJ347ZFn8J3Z3Gws7Xrs8Wr47uFWxKFWr ur17W34xJrWIgjkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUb6AFF20E14v26rWj6s0DM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUWwA2048vs2IY02 0Ec7CjxVAFwI0_Xr0E3s1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVWDJVCq3wA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8Jr0_Cr1UM2 8EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1lF7xv r2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7M4IIrI8v6xkF7I0E8cxan2IY04 v7MxAIw28IcxkI7VAKI48JMxC20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_ Jr0_Jr4lx2IqxVCjr7xvwVAFwI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x 0EwIxGrwCI42IY6xIIjxv20xvE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8 JVWxJwCI42IY6xAIw20EY4v20xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIx AIcVC2z280aVCY1x0267AKxVW8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbJ73DUUUUU= = X-CM-SenderInfo: 51xn3trlr6x35dzhxuhorxvhhfrp/ X-CFilter-Loop: Reflected X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1765560684124499111?= X-GMAIL-MSGID: =?utf-8?q?1765560684124499111?= From: Yu Kuai Because rq_qos only make sense for rq based device. Instead of fail from sysfs configuration, make wbt sysfs dentry invisible directly. Signed-off-by: Yu Kuai --- block/blk-sysfs.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 6c1c4ba66bc0..c8e1f1462422 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -686,6 +686,10 @@ static umode_t queue_attr_visible(struct kobject *kobj, struct attribute *attr, !blk_queue_is_zoned(q)) return 0; +#ifdef CONFIG_BLK_WBT + if (attr == &queue_wb_lat_entry.attr && !queue_is_mq(q)) + return 0; +#endif return attr->mode; }