Received: by 2002:a25:ef43:0:0:0:0:0 with SMTP id w3csp581983ybm; Wed, 27 May 2020 02:58:14 -0700 (PDT) X-Google-Smtp-Source: ABdhPJzeY6q092Qgliwq/ASSLhVqjW9qKvPBA7l3Sup2znM4QAEA9UJaMVPlxDeSzdk0a+Er2FWS X-Received: by 2002:a17:906:18e9:: with SMTP id e9mr5041766ejf.140.1590573494214; Wed, 27 May 2020 02:58:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1590573494; cv=none; d=google.com; s=arc-20160816; b=iW7iVqY41JtCcgENWsMZr+4sZezNukdTu1CK4iC6H6zuUrKDmMqVbh7pjnWHk4Qf/A Oo5324SdrrG7F8GGt0zUiILuBSDf3xq5cNN+jq53PLlrDb1D3mLAERT2tcGaagyy4EPW rwzKT/HdwExG6vXo8T/0WbL4SBoehBW+yEEmjBk04SVNV0fsuPGqplguewL/9drH+QhW 2zdOX33zabuvmHXludydfTel41l5Kdsfwk1HFclWiGCOJCKKuDrpakg3noe5kT1K/gWu tzi8AYg/8PpMLEmNouzR6jUn8nIiIOGbDIRjQqQLr8f6gnoYpQiQ05O8+Hs9ec5iwiva KnvQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=dJGZntVcW6cIG2lSncQfYFsGYe54mFNTI2kksX7wjkw=; b=ji0jGmvZviFg9OjUtsX3/GvktaR174pbGEt5+KEt5sY286wxWhHtkjNLLbk5utTYgv 2u/9PFKebnuLYRFz6te3iHPWr9oi+j7Dtz7CllgetvefkVJDDLAGCiRrVCDOEQ+NU+1e gcvq9L1qik9q5JHIzCrn5drmJE/AuRXUvV/8vNvUpj/CKgMDjJx+mf5MylKe8e4eCMBo l7qObevZyJ80JvQhqhnTAkiFyOUcc2HMkPbOWP4YAF021fTRI9OoPRuBI25exvyLrsiZ 2o//B/lYWZz9VLv5TVWDt+gcMf8TARBDVumjzEmNYEiReXiH4gz79f7xXXVhRTq4jy5o 6Zbg== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b="Gx+Qc/da"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id v25si1258250edi.119.2020.05.27.02.57.50; Wed, 27 May 2020 02:58:14 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=fail header.i=@infradead.org header.s=bombadil.20170209 header.b="Gx+Qc/da"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728179AbgE0F0D (ORCPT + 99 others); Wed, 27 May 2020 01:26:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728269AbgE0FYa (ORCPT ); Wed, 27 May 2020 01:24:30 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89E78C061A0F; Tue, 26 May 2020 22:24:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type: Content-ID:Content-Description:In-Reply-To:References; bh=dJGZntVcW6cIG2lSncQfYFsGYe54mFNTI2kksX7wjkw=; b=Gx+Qc/daipt8RPO+r8id9gztxi Vteb8LMs4zXEDORmD+fyEMjSsBt6uIsIbBcQcQMCHQfx5ZPk130XPqxuL5xoG7ulKVYOEhpHkYHuv 5hl1LMsAij9x/e5CnfRgBhxh/kO5GfiHa4AYylNh6rKP/x0SsOQf1sWZn/gOaO6QLBgkTG+JXvCfX 8nUyJBg0eUXIjVyli3n2Lq0k1k22bkKOiap1xPNR5nAGhYxfB8RkqLZa43VhL6ewW5QDaIztVrsop rLrrKolV0WGsf2AaRGcZxXm3hNXXjPDL9E+Z8Q4wFj54mCUj31zq4i/8zwKN5vBJiM6dpmRG4CNGA ZYjXVKcQ==; Received: from [2001:4bb8:18c:5da7:8164:affc:3c20:853d] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1jdoY9-0000me-A3; Wed, 27 May 2020 05:24:21 +0000 From: Christoph Hellwig To: Jens Axboe Cc: Konstantin Khlebnikov , Minchan Kim , Nitin Gupta , dm-devel@redhat.com, linux-block@vger.kernel.org, drbd-dev@lists.linbit.com, linux-bcache@vger.kernel.org, linux-nvdimm@lists.01.org, linux-kernel@vger.kernel.org Subject: block I/O accounting improvements v2 Date: Wed, 27 May 2020 07:24:03 +0200 Message-Id: <20200527052419.403583-1-hch@lst.de> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Jens, they series contains various improvement for block I/O accounting. The first bunch of patches switch the bio based drivers to better accounting helpers compared to the current mess. The end contains a fix and various performanc improvements. Most of this comes from a series Konstantin sent a few weeks ago, rebased on changes that landed in your tree since and my change to always use the percpu version of the disk stats. Changes since v1: - add an ifdef CONFIG_BLOCK to work around the sad state of our headers - add reviewed-by tags to all patches