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 20882C38142 for ; Fri, 27 Jan 2023 22:59:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232227AbjA0W7X (ORCPT ); Fri, 27 Jan 2023 17:59:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231681AbjA0W7X (ORCPT ); Fri, 27 Jan 2023 17:59:23 -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 9E86D118; Fri, 27 Jan 2023 14:59:22 -0800 (PST) Received: by mail-pj1-x1030.google.com with SMTP id lp10so5982380pjb.4; Fri, 27 Jan 2023 14:59:22 -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=LGAfOWe0SVdQsDd5eQVWsjHBkUXpqcdLORzkGX51TD4=; b=UxC+CFvuSnuV2UzyNwU2S/v/4cv76y60avmTZr83q6O2y6KXdHH1ohB+6X2mgxOmG3 IBkV3bxAkLptT7RCK0sRjfXIFLSghj+b5KOXiOhL7J4KC8zNPwGEvdCzDjWpol22D8aL dCOXAU+zQUaE4tu1+fUDq4clpiz2WDb6RZiR8SNRqFjJQBlBvffO/RwqZ8N8MGZW923w jQjrVPQjlwA01Jfn+PAaqtlJpvZxBgk3UePk0EO2PcrMfAbznBUemtT/PcQBn4/f9F27 LOaMLDu/2r9C4Wfsi44ILdVgD18JITmWMTF09g4NDOh/v14tWhopqFJ2kD/wIVXkS+aj T2sA== 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=LGAfOWe0SVdQsDd5eQVWsjHBkUXpqcdLORzkGX51TD4=; b=sAkhlz8Oxv5/KacwKmAz4ioVtXlT2QN2u3qZAcgfMdcMYmMAh/dyuK0w9OYb9CuXW2 UbaMq6InHVJh38tJJq1EkoeGCYdAMJwGOhKM6EO221EmUQlIrERytuRmWZyhZ/3c71qb H2WPmlNG8elkOua0UApobb9CFAAXCsy0FS5mVSS1o3IQeZzWbIBtvPL/4i2IA1JAWiQ7 WuXpbF9mBLbtQpp3DRJlcDLXmqigas/3fSQ433Bhe5odqpD24AadMD3nNWsqDFOYUAKQ vGo54FUPj2F4LzpVUDfyUcUVcZGCDsZmNcpR/FIUva0JEdJgMG03wytXZL8Om9SsqYwz ABUQ== X-Gm-Message-State: AFqh2kpD+RYsGRxM1iT5/eKlJFVAI5WymxtrjkiC7bTgiLpH3T+X1OqR 9IOPJFexanb4NZIPXZNKG6lK1agMjmI= X-Google-Smtp-Source: AMrXdXtQ73cQM7in7zSsbwhUlWiyJXizTwlmhfy8gbnppRg99C3gkRLTf2FBObBynockFic4wodoPQ== X-Received: by 2002:a17:90a:51e4:b0:219:818f:9da3 with SMTP id u91-20020a17090a51e400b00219818f9da3mr44774347pjh.17.1674860361932; Fri, 27 Jan 2023 14:59:21 -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 r63-20020a17090a43c500b0022bacef5fbdsm5423195pjg.52.2023.01.27.14.59.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Jan 2023 14:59:21 -0800 (PST) Sender: Tejun Heo Date: Fri, 27 Jan 2023 12:59:20 -1000 From: Tejun Heo To: Christoph Hellwig Cc: Jens Axboe , Josef Bacik , linux-block@vger.kernel.org, cgroups@vger.kernel.org, Andreas Herrmann Subject: Re: [PATCH 03/15] blk-cgroup: delay blk-cgroup initialization until add_disk Message-ID: References: <20230124065716.152286-1-hch@lst.de> <20230124065716.152286-4-hch@lst.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230124065716.152286-4-hch@lst.de> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On Tue, Jan 24, 2023 at 07:57:03AM +0100, Christoph Hellwig wrote: > There is no need to initialize the group code before the disk is marked ^ cgroup -- tejun