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=-4.5 required=3.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS, USER_AGENT_GIT 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 D44B9C0044C for ; Tue, 13 Nov 2018 15:42:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9D4B421582 for ; Tue, 13 Nov 2018 15:42:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=kernel-dk.20150623.gappssmtp.com header.i=@kernel-dk.20150623.gappssmtp.com header.b="bjoqSfpK" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9D4B421582 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=kernel.dk Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-block-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727188AbeKNBlS (ORCPT ); Tue, 13 Nov 2018 20:41:18 -0500 Received: from mail-it1-f195.google.com ([209.85.166.195]:40305 "EHLO mail-it1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731287AbeKNBlS (ORCPT ); Tue, 13 Nov 2018 20:41:18 -0500 Received: by mail-it1-f195.google.com with SMTP id e11so19043094itl.5 for ; Tue, 13 Nov 2018 07:42:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=from:to:subject:date:message-id; bh=Yl+egARCa3TOZ7FZ3tb13xUWql2hR1sKdkfL/FxDfIc=; b=bjoqSfpKqZo8eksvj9AFVS+fZkYQiARiEiISfzwiC3olwtROsravjdYiui3+heCq1H 3TSADEE+xszcyE7GTnrQ1XSzijlnY4Y7sQ35PQ6B+Yit8fEshjCksTTRojfrAXDPRS99 qzOXoLr3346H02ZvVPRjWBsxYvwyc81r29DtdK83KVDwZiEs1UijlLqNnWQTnWFE4K17 iGlmjypEGn8BLF5DyJTuZO5MK8JZJzf5xqtA3NjYH9Ah1n3bugLYDp+ro7Rh5V7VW+3s OfDeu34Jb8qgfX6JNi7aUPMkSy69Y/spuXOGKp2qocxgPtLfBAfVQ6pESWQhxxLoLaQa EZ1Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id; bh=Yl+egARCa3TOZ7FZ3tb13xUWql2hR1sKdkfL/FxDfIc=; b=qyx6wESIfpWe1f0Hk9rCfT8a2biwLserpvB2kzwBKaZwC6mYGUnTomJ0vYaMDyIhnN xQkOjuRbnnhLR25aSnwrCxLVI/M26O0Q8sMTPA0NWxc2FLkTbPacCnGcLD9RHWD9vMrW G8tBtCd+13II8jS1a858FS7qh2ZcfOtlBzgmGGwbjMWj1NuOruiJC4pJ6YejaFBxih2W +sjBFo3e9gFXFzuDWsZ1rR99srkzWE29NDrZqtzLS1glJiFBtKfquFQAUxhqBO73GjWd CLZgyYwe9vSYV1nEd6tVjqCQz/raobDko/webjjeZ3FF3haLGrAj6NF89aMCqNlAFRzf 7G4w== X-Gm-Message-State: AGRZ1gIuSxklNRkBQUB3/EBlRicMrocK/OmXNQFiQ3Mc3P0lTsxC52cT JcFy8aVOqv4oPLmSwxJT71aY0qv9ecs= X-Google-Smtp-Source: AJdET5dWM0afpP/pkckGwwV7IE7x/ZonPf40CgtWwp5j1Gd+G6NAeitIVwOS2eIiSvvFon5CwESgmQ== X-Received: by 2002:a24:3684:: with SMTP id l126-v6mr4184305itl.142.1542123758369; Tue, 13 Nov 2018 07:42:38 -0800 (PST) Received: from x1.localdomain ([216.160.245.98]) by smtp.gmail.com with ESMTPSA id o14-v6sm6721987ito.3.2018.11.13.07.42.37 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 13 Nov 2018 07:42:37 -0800 (PST) From: Jens Axboe To: linux-block@vger.kernel.org Subject: [PATCHSET v2 0/11] Various block optimizations Date: Tue, 13 Nov 2018 08:42:22 -0700 Message-Id: <20181113154233.15256-1-axboe@kernel.dk> X-Mailer: git-send-email 2.17.1 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Some of these are optimizations, the latter part is prep work for supporting polling with aio. Patches against my for-4.21/block branch. These patches can also be found in my mq-perf branch, though there are other patches sitting on top of this series (notably aio polling, as mentioned). Changes since v1: - Improve nvme irq disabling for polled IO - Fix barriers in the ordered wakeup for polled O_DIRECT - Add patch to allow polling to find any command that is done - Add patch to control whether polling spins or not - Have async O_DIRECT mark a bio as pollable - Don't plug for polling block/blk-cgroup.c | 8 +-- block/blk-core.c | 20 ++++---- block/blk-flush.c | 3 +- block/blk-mq-debugfs.c | 2 +- block/blk-mq.c | 105 +++++++++++++++++++++----------------- block/blk-mq.h | 12 ++--- block/blk-rq-qos.c | 90 +++++++++----------------------- block/blk-rq-qos.h | 35 ++++++++++--- block/blk-softirq.c | 4 +- block/blk-sysfs.c | 18 +++---- block/blk-wbt.c | 2 +- block/elevator.c | 9 ++-- block/genhd.c | 8 +-- drivers/md/dm-table.c | 2 +- drivers/nvme/host/multipath.c | 6 +-- drivers/nvme/host/pci.c | 45 +++++++++------- drivers/nvme/target/io-cmd-bdev.c | 2 +- drivers/scsi/scsi_lib.c | 2 +- fs/block_dev.c | 32 +++++++++--- fs/direct-io.c | 2 +- fs/iomap.c | 9 ++-- include/linux/blk-mq-ops.h | 100 ++++++++++++++++++++++++++++++++++++ include/linux/blk-mq.h | 94 +--------------------------------- include/linux/blkdev.h | 37 +++++++++++--- mm/page_io.c | 2 +- 25 files changed, 347 insertions(+), 302 deletions(-) -- Jens Axboe