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=-2.4 required=3.0 tests=DKIM_SIGNED, MAILING_LIST_MULTI,SPF_PASS,T_DKIM_INVALID,USER_AGENT_MUTT autolearn=ham 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 626AAC433F4 for ; Fri, 31 Aug 2018 23:53:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EE65B20843 for ; Fri, 31 Aug 2018 23:53:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="f/9mMmrO" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EE65B20843 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726744AbeIAEDX (ORCPT ); Sat, 1 Sep 2018 00:03:23 -0400 Received: from mail-pg1-f194.google.com ([209.85.215.194]:33447 "EHLO mail-pg1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725817AbeIAEDW (ORCPT ); Sat, 1 Sep 2018 00:03:22 -0400 Received: by mail-pg1-f194.google.com with SMTP id y3-v6so4886470pgv.0; Fri, 31 Aug 2018 16:53:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=3Dzh6X1LeduszbJqJBX4HPFELRK/l+JfoD9XBMT39dE=; b=f/9mMmrONaw3756VsZHYnD9lPNuRAIpZXV5H2BlWr1Xr6igLZ0FpFHlXCRbBtojtNy GpwCwKuL+uqd1AcMMFO/SobXCvuw+yVasiYZb18HOAVNCjywWYAcPEKmExEU45i6SOFz 9iGQsDmX5CoWvyN0m+MGtOVn57yLekRTuVuLDwMA/6NUAS7FCic6Y6OKLr880N/AYBTY qQmtebskBCnx5OkjmxXx6ULGZHTTJaq63ejOGWqxpP2tvkNbw6azdyTOIYHyI3Iw6q+T C4Kx42hI6O1JkzQZJKVarvuraMyc6PLMWDzJaH47OVfYKZPh2DT95y5TaFPHPa5GBa6S 8hfg== 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:cc:subject:message-id :references:mime-version:content-disposition:in-reply-to:user-agent; bh=3Dzh6X1LeduszbJqJBX4HPFELRK/l+JfoD9XBMT39dE=; b=QsG4fEtXzzFZotgSwuW1g+iTy0FTTYxMEHn294fbDGLbsBJKMj9oDrIRun6qnIMHJs 8CprmRAenkCEEoNCjTy3w7bu0Q/Y1wtGAL/Uu96avosOfvKNjzTKwwwK9kx26Ktv4H5B FI39SfXBsp0QLkNAwai2nOq6TJEU3F0zzbylvShiojQ0mm79kWA+Qme4YLUokTxMcZg7 OdYGsvnVQuqTPkalQ1umRdbbyXAXKz9LQIgQdu4z/gc2lk8l3Dn88+ASx84ZMErBK1cr GFodUQnjQRwKOSz2jg242an9GgH4Su2nUNVoS1VWs5vZtg+TQKKc2e36kt9QEHU7v6sl yRig== X-Gm-Message-State: APzg51D2VGqt9XFcW66jyZWAzDNh/p4LaWDkyrBf/0mlelkAjnvhl+IO fNF0a8V3jUd37MGW+E08AZA= X-Google-Smtp-Source: ANB0Vdb5V0w6e0iWptA96twrC9ynCXYuX3lieOuGp4Bgh9rCsGM8vxgZfiNQRDDJimSnkcAkS0aZwA== X-Received: by 2002:a62:46c8:: with SMTP id o69-v6mr18498978pfi.21.1535759611718; Fri, 31 Aug 2018 16:53:31 -0700 (PDT) Received: from localhost ([2620:10d:c090:180::1:a245]) by smtp.gmail.com with ESMTPSA id f67-v6sm46037699pfe.75.2018.08.31.16.53.30 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 31 Aug 2018 16:53:31 -0700 (PDT) Date: Fri, 31 Aug 2018 16:53:28 -0700 From: Tejun Heo To: Dennis Zhou Cc: Jens Axboe , Johannes Weiner , Josef Bacik , kernel-team@fb.com, linux-block@vger.kernel.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 09/15] blkcg: associate writeback bios with a blkg Message-ID: <20180831235328.GG1488037@devbig004.ftw2.facebook.com> References: <20180831015356.69796-1-dennisszhou@gmail.com> <20180831015356.69796-10-dennisszhou@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180831015356.69796-10-dennisszhou@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Aug 30, 2018 at 09:53:50PM -0400, Dennis Zhou wrote: > From: "Dennis Zhou (Facebook)" > > One of the goals of this series is to remove a separate reference to > the css of the bio. This can and should be accessed via bio_blkcg. In > this patch, the wbc_init_bio call is changed such that it must be called > after a queue has been associated with the bio. > > Signed-off-by: Dennis Zhou Acked-by: Tejun Heo Thanks. -- tejun