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 X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4D6EEC31E5B for ; Tue, 18 Jun 2019 14:45:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2798B20B1F for ; Tue, 18 Jun 2019 14:45:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560869126; bh=2FSFEBWYNe5VehAFimM06XWjHfnUX7Si8He8wIaznFs=; h=Date:From:To:Subject:References:In-Reply-To:List-ID:From; b=o/XyhP5MzcnbGvb2sABFzigePYg+R+qEUXhQ9E5lf2/NHlrHChrSbltDmje8zRq9z qRGjooGrr2V+hLUAdq0TGpijy6FGKvNG0Hzxw6K4jJ+1c8dTiAckrqitwchaOoWivP vXOLJrDXFC47GRsUkui4yKTvp+Q+DIxzhW6cUAiQ= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729295AbfFROpW (ORCPT ); Tue, 18 Jun 2019 10:45:22 -0400 Received: from mail-pf1-f173.google.com ([209.85.210.173]:37835 "EHLO mail-pf1-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728572AbfFROpV (ORCPT ); Tue, 18 Jun 2019 10:45:21 -0400 Received: by mail-pf1-f173.google.com with SMTP id 19so7804069pfa.4; Tue, 18 Jun 2019 07:45:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=NMnqg5fufjYWb0sSIzXnpqigWMgenHlEvuLuwxRG46k=; b=iLxHc4UIhIvPcrQW4JIdi7HnIoh5OFdQzF8YuPTWZ8B43cT8o2Yxqe4KV1bj1XSZMg MNOZzh+iuUavxLRbi71HCocW6OKcb5zTCfrglG8n8jxG5ZPD9v5UfoMYB11l3A1rHc0n 3GLvHrYfiGSTS/VKcs291iR42fPYzfBATJ83TP47ZwHsJhJBNxTMrRi2XLEPd9w3wKdi QQSjf53v/hTwVTJNf1EOP5vhfCD1cRc99PaxStAc4al4J+76YCK2R9/VDQmYEST9JE9Y 1CDbo6TZ3g+zrQIVtIh8KNX3wsfP5+yJ9Zss/wdS+g5CtuAFj2WA0Al5d6U/VOXUzLK6 P4uQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:from:to:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=NMnqg5fufjYWb0sSIzXnpqigWMgenHlEvuLuwxRG46k=; b=Go/agy2pVTfU0qkjpedPtm/J1isUv8jasWT7ntG82lnP0WC4YiG/MV+Q2qbVRAf9ls akuu51OEPBQiIG3iDY8iev7dT1Ojj3dTbqhOwX3fpR95DW5r8vj7LOJztcff8O2Yh0Yt JlyzWm6RraTuXMQc9l2+p+upFOhzYRR4tehhgLfEwNiOivPQLnDxhYg3QDUkImWtmQqN KlDI3+gifhkbm3fKbR3Mth/I+hJ1RQZhZcM0RYx0I1UZ6OwlI7sPKyMUmy7oB4th9qE8 G1RC8ZWpOhPWri0xYUahZMNSWPwBPGyx6H+yhB/XDSxNqDx9PT3ENywxndkgjw3tHHiL QKmw== X-Gm-Message-State: APjAAAWv5gYKJ8jN96HAg6a4lY+9LZZCzXud76xXP6Y/2KABRtsBEZFL pAlMhPR8Q09/quO4wE/oyqk= X-Google-Smtp-Source: APXvYqzIYeLMQNgDRIdCyouue7+qbHrf+jL2uYPgXh4v17+m5Tepc54GRMoO5ApB7u1tpkGQs04mvg== X-Received: by 2002:a17:90a:a008:: with SMTP id q8mr5640617pjp.114.1560869120930; Tue, 18 Jun 2019 07:45:20 -0700 (PDT) Received: from localhost ([2620:10d:c091:500::2:5159]) by smtp.gmail.com with ESMTPSA id c133sm16558044pfb.111.2019.06.18.07.45.20 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Jun 2019 07:45:20 -0700 (PDT) Date: Tue, 18 Jun 2019 07:45:17 -0700 From: Tejun Heo To: dsterba@suse.cz, dsterba@suse.com, clm@fb.com, josef@toxicpanda.com, axboe@kernel.dk, jack@suse.cz, linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, kernel-team@fb.com Subject: Re: [PATCHSET v2 btrfs/for-next] blkcg, btrfs: fix cgroup writeback support Message-ID: <20190618144517.GI657710@devbig004.ftw2.facebook.com> References: <20190615182453.843275-1-tj@kernel.org> <20190618125442.GL19057@twin.jikos.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190618125442.GL19057@twin.jikos.cz> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org Hello, David. On Tue, Jun 18, 2019 at 02:54:42PM +0200, David Sterba wrote: > However, as it's rc5, I'm not at all comfortable to add this patchset to > 5.3 queue, the changes seem to be intrusive and redoing bio submission > path is something that will affect all workloads. I did quick tests on > fstests (without cgruops enabled) and this was fine, but that's the > minimum that must work. Wider range of workloads would be needed, I can > do that with mmtests, but all of that means that 5.3 is infeasible. Sure thing. These aren't urgent in any way. > So this opens more possibilites regarding the patchset routing. Both > parts can go separately through their usual trees. Yeah, that sounds great too. Let's wait for Jens's review and decide how to route the patches. Thanks. -- tejun