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=-2.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS,T_DKIMWL_WL_MED, URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 67AA3C433F5 for ; Fri, 31 Aug 2018 15:46:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id F098D2054F for ; Fri, 31 Aug 2018 15:46:25 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=toxicpanda-com.20150623.gappssmtp.com header.i=@toxicpanda-com.20150623.gappssmtp.com header.b="z122gRW9" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org F098D2054F Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=toxicpanda.com 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 S1729129AbeHaTy3 (ORCPT ); Fri, 31 Aug 2018 15:54:29 -0400 Received: from mail-qk1-f196.google.com ([209.85.222.196]:41451 "EHLO mail-qk1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727973AbeHaTy3 (ORCPT ); Fri, 31 Aug 2018 15:54:29 -0400 Received: by mail-qk1-f196.google.com with SMTP id h138-v6so1678272qke.8 for ; Fri, 31 Aug 2018 08:46:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=toxicpanda-com.20150623.gappssmtp.com; s=20150623; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=GjuXbKG3zC5ZeoI1mrigFO88zTTATgokvREWmhDfYH0=; b=z122gRW94GqDvKrJxmwDyv5Yusp1xa5fclzTmIQdDt+xlqlJVnwo86dn+SAUJ8M1uf mriz637qSZ02mntaT7CCylWykPAI0bp58M164P9MjYJzeiIE1b13EfaoKF7Evfq3Nema x4+eFJJG7GrJMAakUVaARQmj3v8QPCR9vjfu9L2Wf6MnTgBjYVleAW3XiHa0xOOMFAo/ lZlNDsQWPtcmVmKRBQGMDb3VQ5lUrGzIndyyYDuBTwKcuXy1QWF4J/oogPKYntHbdRu3 7X7lVy4tkzPJiKyov5qVX3bxwz9IJUc6o6G33V+5sO+W+zYs4Cf4v9OZ6RepEjOrs0o/ mJjQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=GjuXbKG3zC5ZeoI1mrigFO88zTTATgokvREWmhDfYH0=; b=Stfv/THzqjX3yE9sBMVClRMFu2+lKHuunHqj2nuPIhVAa9jJlLFEMhiq6ulaHd+3Qg dnjNdNGlye2t73QeFbYK1J8SvFbH5PImPWkB8DEQ26zip3zc2AWgTuE6iNTO5nAIg+cR vlAoBF/AD9aPZa1sND/VrzBzjTZy5+g4hp8F/yQ+ULtB4oiIrNwuBYkpJPEE94V6aICb cgk74/yDEXS2EIThqDa+B6fGydZ8m6NhHmJCKaGOpTMgw1JoIhor3OfIKPI5UyBQr/hB UySxa1HAuL4SZ56USvK3wx2X7hcGWzX8FUeJsdUF+A/sejG7uZISEYYp90m8vlga6pnC bLcg== X-Gm-Message-State: APzg51Bs5VQyDet6oYI5kBfV+PvzkKI6QyyZeROBN0TpEJZZyaCl0Htg ocIlt6UbnG19XKJuqaNT5BZQKg== X-Google-Smtp-Source: ANB0VdYpRO86f8YoWVOLXiopjhwyN/mwAvU4eDiWdXZnsZv2xjkxcf6dcYeNf7dcvb0YKz8XRfRy4g== X-Received: by 2002:a37:c5d4:: with SMTP id k81-v6mr15639490qkl.66.1535730383421; Fri, 31 Aug 2018 08:46:23 -0700 (PDT) Received: from localhost ([107.15.81.208]) by smtp.gmail.com with ESMTPSA id g14-v6sm7247985qtc.66.2018.08.31.08.46.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 31 Aug 2018 08:46:22 -0700 (PDT) Date: Fri, 31 Aug 2018 11:46:21 -0400 From: Josef Bacik To: Dennis Zhou Cc: Jens Axboe , Tejun Heo , 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 10/15] blkcg: remove bio->bi_css and instead use bio->bi_blkg Message-ID: <20180831154620.ivdpptlo7o6ipebu@destiny> References: <20180831015356.69796-1-dennisszhou@gmail.com> <20180831015356.69796-11-dennisszhou@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20180831015356.69796-11-dennisszhou@gmail.com> User-Agent: NeoMutt/20180716 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 09:53:51PM -0400, Dennis Zhou wrote: > From: "Dennis Zhou (Facebook)" > > Prior patches ensured that all bios are now associated with some blkg. > This now makes bio->bi_css unnecessary as blkg maintains a reference to > the blkcg already. > > This patch removes the field bi_css and transfers corresponding uses to > access via bi_blkg. > > Signed-off-by: Dennis Zhou Reviewed-by: Josef Bacik Thanks, Josef