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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 D675BC04AAF for ; Sat, 18 May 2019 09:33:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8F89520B7C for ; Sat, 18 May 2019 09:33:16 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eSQvHrjj" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726808AbfERJdP (ORCPT ); Sat, 18 May 2019 05:33:15 -0400 Received: from mail-wr1-f43.google.com ([209.85.221.43]:33788 "EHLO mail-wr1-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725268AbfERJdP (ORCPT ); Sat, 18 May 2019 05:33:15 -0400 Received: by mail-wr1-f43.google.com with SMTP id d9so9515655wrx.0; Sat, 18 May 2019 02:33:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=bSU0pmO8NA8IzEC9ClUfFdwoeSvR32FualisGvPyxwY=; b=eSQvHrjj8bgcs7NAMEXZKljlMX2NlZ7hTAXzlzOCOfq0WLDaWOStrbxZpAQciau4AH Hofq5HQyPf9QMkyYZusn5wsxs2P6xkyknZsxcNF4V8wGNfXW1Fv1l4oc5pI+zIzXYqqm E34VmXXhgwqks4cRA4dBqDQtt6O8lTOrFBgl305nxWFoSOIuQE+8sVa3W67vu/cGYMrd GnhHlDwCWJqc6B6HGh0srmV8XQa/6UYUC5bsM4qp+fdggKGIGSC97NoqJ0hlGp4cE/wQ Oh32/n2Mk52aWDGkAYEBq8gIfnDYplIhaEFKXP4oCNhfpc87gG+vzXDImC+J0HzgYUjK zafg== 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:mime-version :content-disposition:user-agent; bh=bSU0pmO8NA8IzEC9ClUfFdwoeSvR32FualisGvPyxwY=; b=AuXLEe5O/jxU1e4XrkOi/GQguvDnj/pnyfwjS2i3f5C6WwUchBVqDk8U6bdnElEL03 S3YGZ+7Ng46Adz2s5U8hXSAUZbk0gLDUrM0pmQHc1L7yQR207hSJkiLMSA5n1TEJHVe+ tMx8FfOjBtlCQs8dQwpjjPJAKCZnGPydSM9fnA3wa7nVhVh7Yshmcm/CcFrsSIviClpZ jdzm02SinBrg9TjKyiAOLerHuD7/uDVDDDN38iSL1FcjIr11plB+G5D+rC9V0ezvLZzI O4cAmdbwYRvR1X5XDi+cdgOtsxEH36SyOTmekEgTBCffqlRp2rEJMM07AWags1wfeKuG qnzw== X-Gm-Message-State: APjAAAXLac18tHsj72F8+3o2fFc79NlmB49Tg0e68XNOG4txBxBqRgG8 NrXB+eeI/8HoXrdEPzFBtI/gmpw= X-Google-Smtp-Source: APXvYqyG77S+GaIqcr0esZDANRjcdxjNUbmsW01PA5DFxPgZt9QopjaMTJIO+gfqGT08yIHVTX5wew== X-Received: by 2002:a5d:4cc4:: with SMTP id c4mr26086276wrt.164.1558171994104; Sat, 18 May 2019 02:33:14 -0700 (PDT) Received: from avx2 ([46.53.249.58]) by smtp.gmail.com with ESMTPSA id j206sm12851622wma.47.2019.05.18.02.33.12 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 18 May 2019 02:33:13 -0700 (PDT) Date: Sat, 18 May 2019 12:33:11 +0300 From: Alexey Dobriyan To: axboe@kernel.dk, ming.lei@redhat.com, osandov@fb.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Setting up default iosched in 5.0+ Message-ID: <20190518093310.GA3123@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 5.0 deleted three io schedulers and more importantly CONFIG_DEFAULT_IOSCHED option: commit f382fb0bcef4c37dc049e9f6963e3baf204d815c block: remove legacy IO schedulers After figuring out that I silently became "noop" customer enabling just BFQ didn't work: "noop" is still being selected by default. There is an "elevator=" command line option but it does nothing. Are users supposed to add stuff to init scripts now?