From mboxrd@z Thu Jan 1 00:00:00 1970 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 E869AC43334 for ; Thu, 16 Jun 2022 15:28:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1377576AbiFPP2A (ORCPT ); Thu, 16 Jun 2022 11:28:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36248 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1377879AbiFPP1t (ORCPT ); Thu, 16 Jun 2022 11:27:49 -0400 Received: from mail-io1-xd34.google.com (mail-io1-xd34.google.com [IPv6:2607:f8b0:4864:20::d34]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 678BC237FC for ; Thu, 16 Jun 2022 08:27:48 -0700 (PDT) Received: by mail-io1-xd34.google.com with SMTP id a10so1816894ioe.9 for ; Thu, 16 Jun 2022 08:27:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=message-id:date:mime-version:user-agent:subject:content-language:to :references:from:in-reply-to:content-transfer-encoding; bh=upatriLmkO3sefxdPr9OKsvWnO7y75tD7XP4VtTCKA8=; b=0aISl+G8eIq7A8ZAxYGuTONwi911a0KTDFYa2Ba8tjGlempPy0Y4GLQevVM+uagLOX 1gYBr1pxdL0s3ClG29zPK2GSBRghvvpsO/o30CbhqAiiNyD72PS8p44xSQs2xNla7lu8 qf8ER/gUPEE1BJmDXSAbO4PXt4YCeVREGUJFpq4wt3s8oPooz0BTxBdbNXlKkAKSQyzs h8JR4CsShfdQ5iFlwWoTCVU+9mqKaJeycRZx0x47n/4EtIlNZ51Sh4PVAeYSPzsFd+5Z KgmLJz90llUBVYTYMbE1xXoDqf+N43mRiQs2YrJidVhV2vXTENPQjxrWqqvpyuPVufpl E3Ng== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:references:from:in-reply-to :content-transfer-encoding; bh=upatriLmkO3sefxdPr9OKsvWnO7y75tD7XP4VtTCKA8=; b=O7Y9G85f+cyNziWRQ2pvFIimRCd3HtSyfgMyHDX+dWIXMRTDF43PRkK0aqKKSleCds ka1k1wHObvHntC6YtBhUdadQxRRs0wH6pRETBGewXsFzTN/RPlZqBzyrj3PKyX5nL86r rkDiPq7XTze/bfx77Yix49EExNfxPe8tj2UXVA8wNhdmeiH/zJkBtO+fcHMDQBx0/BDk E7BIT/ZFaHL8Aq1lTWzH5z68CBA5Lh+jKRyqG/GfoJyi0x1JHZstqGQZu11sGJ+oxu/H VEnx0g3OQf6J/caN+0e+/v2LILvso1WkUO3E4gI7jdQcd6XRAuGkjJDay9xWR0vFA62m 9pmA== X-Gm-Message-State: AJIora+xrQd91eyN93AtB8XFm+IbGBxYjcPm8UpbYQOu8ByMhahwnuyG qQFU6aFkuq5eDQxKv9ynxFKvtC3kGx4GSA== X-Google-Smtp-Source: AGRyM1sWGtz2ujc9bODZa2fJQWRkvHASOIH+uKiPq4diLwYftOeavGtp/uolR+hwk0xMV+9lt7sgYA== X-Received: by 2002:a05:6638:2053:b0:331:6410:1e6d with SMTP id t19-20020a056638205300b0033164101e6dmr3099100jaj.98.1655393266404; Thu, 16 Jun 2022 08:27:46 -0700 (PDT) Received: from [192.168.1.172] ([207.135.234.126]) by smtp.gmail.com with ESMTPSA id z4-20020a926504000000b002d11c598e12sm1116480ilb.61.2022.06.16.08.27.45 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 16 Jun 2022 08:27:46 -0700 (PDT) Message-ID: <281b7645-5ce3-0339-78d9-bbc737e4c50e@kernel.dk> Date: Thu, 16 Jun 2022 09:27:43 -0600 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux aarch64; rv:91.0) Gecko/20100101 Thunderbird/91.10.0 Subject: Re: [RFC PATCHv2] block: set bdi congested when no tag available Content-Language: en-US To: "zhaoyang.huang" , Mel Gorman , Zhaoyang Huang , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ke.wang@unisoc.com References: <1655382631-3037-1-git-send-email-zhaoyang.huang@unisoc.com> From: Jens Axboe In-Reply-To: <1655382631-3037-1-git-send-email-zhaoyang.huang@unisoc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 6/16/22 6:30 AM, zhaoyang.huang wrote: > From: Zhaoyang Huang > > In previous version, block layer will set bdi to be congested when > get_request fail, which may throttle direct_reclaim. Move them back > under current blk-mq design. bdi congestion doesn't exist anymore, not sure what this patch is against? -- Jens Axboe