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 D4B0AC46467 for ; Thu, 19 Jan 2023 17:03:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230455AbjASRDo (ORCPT ); Thu, 19 Jan 2023 12:03:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230456AbjASRDl (ORCPT ); Thu, 19 Jan 2023 12:03:41 -0500 Received: from mail-pj1-x1030.google.com (mail-pj1-x1030.google.com [IPv6:2607:f8b0:4864:20::1030]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06D408455B; Thu, 19 Jan 2023 09:03:34 -0800 (PST) Received: by mail-pj1-x1030.google.com with SMTP id bj3so3058871pjb.0; Thu, 19 Jan 2023 09:03:33 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:from:to:cc:subject:date:message-id :reply-to; bh=CQoTJcoI0zudP9kqEp3QP7XD1mX3VxGZCw8MlkN3oyA=; b=hYG6+PIItfIJ8RaYvrETkb1iEq22Peoj6RQaavU/zimVQAD1HERJ+3gkMl1FEPriVS Bb80iDejEzIY050s7ahNT6VLftXVfGWSX/VBKCmhcCzZsUndo44FmyJgpBTIaWCIyI27 h25sq8scf7twn/fjK2cqZdOj33D4EttK+Oq/QCGwktPToLV/YpuBR3ckpQZHQnjKdUFS sc3Hw5fxdfg3akD1Ew8I65aIaVOhEhO8jNRaugq9ihIEIdgeZtYpAef5dO7g+pAb4fUb MlCeresDFfHSBlKCBLHAlkim1el8jHIlNSFjPn3ji3UXy+Mz4rI7uW6y/7oC/fGcK1cB WEmg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:sender:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=CQoTJcoI0zudP9kqEp3QP7XD1mX3VxGZCw8MlkN3oyA=; b=66oqS3fMdy9LLuUdKSzUjY2fnamOs1NmQl+mDKO0Xsj9T5tLMDFxvxxSRZHKmTNBS3 6nUerlXNwyApI4/SXU1sHXONfwkQMDhiD1gj+pkzza+kGYMSNJrVsYP9zGS37zyLSFk4 Tdf7yMVhpFL99dxOo+apY52dkuEnh3r7meCGzr5p6Wzm2JZ5jIYi58jeQUu1F3DMtJLT x7Pd8m5TgaFOyNPoYzzGcZCQd7iOIXH+U7z6HfzHZ/b5QUzbGavpGu3giSS1psUS/mKk sdHbkb+Oo7/1KEK2Cu++/pJes+sP0tuVtYjoxKsB8uRxcMlaT1j5SvzC6yoQk+Bgk+o5 qm+A== X-Gm-Message-State: AFqh2kqfJs5edkg113N6/ZcDpfQjL4iHlbBDMxA44NIaBQ4Gz+RRT91K SRr0bgRKAGCCR4oGsr85oKI= X-Google-Smtp-Source: AMrXdXs0yhVs81RqjlAAAvmXVpjhwSEp9wPJlVq3Ilbp8sNjZu5jtrw4jhcnOsjU3DuY9okNuvFBJw== X-Received: by 2002:a17:902:b788:b0:193:3678:dc3e with SMTP id e8-20020a170902b78800b001933678dc3emr10418524pls.21.1674147813323; Thu, 19 Jan 2023 09:03:33 -0800 (PST) Received: from localhost (2603-800c-1a02-1bae-a7fa-157f-969a-4cde.res6.spectrum.com. [2603:800c:1a02:1bae:a7fa:157f:969a:4cde]) by smtp.gmail.com with ESMTPSA id e18-20020a170902ef5200b00187033cac81sm25349929plx.145.2023.01.19.09.03.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 19 Jan 2023 09:03:32 -0800 (PST) Sender: Tejun Heo Date: Thu, 19 Jan 2023 07:03:31 -1000 From: Tejun Heo To: Christoph Hellwig Cc: Jens Axboe , Josef Bacik , linux-block@vger.kernel.org, cgroups@vger.kernel.org Subject: Re: switch blk-cgroup to work on gendisk Message-ID: References: <20230117081257.3089859-1-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230117081257.3089859-1-hch@lst.de> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Tue, Jan 17, 2023 at 09:12:42AM +0100, Christoph Hellwig wrote: > blk-cgroup works on only on live disks and "file system" I/O from bios. > This all the information should be in the gendisk, and not the > request_queue that also exists for pure passthrough request based > devices. Can't blk-throttle be used w/ bio based ones tho? I always thought that was the reason why we didn't move it into rq-qos framework. Thanks. -- tejun