From patchwork Sun Dec 19 17:13:58 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jens Axboe X-Patchwork-Id: 12686819 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 342A0C433EF for ; Sun, 19 Dec 2021 17:14:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233280AbhLSROB (ORCPT ); Sun, 19 Dec 2021 12:14:01 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58708 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229742AbhLSROB (ORCPT ); Sun, 19 Dec 2021 12:14:01 -0500 Received: from mail-il1-x131.google.com (mail-il1-x131.google.com [IPv6:2607:f8b0:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E2FE5C061574 for ; Sun, 19 Dec 2021 09:14:00 -0800 (PST) Received: by mail-il1-x131.google.com with SMTP id j6so4480662ila.4 for ; Sun, 19 Dec 2021 09:14:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20210112.gappssmtp.com; s=20210112; h=to:cc:from:subject:message-id:date:user-agent:mime-version :content-language:content-transfer-encoding; bh=ga2Wl9f/1foFY62Wlc8VODha7nmRjQPysvMA2RCkocM=; b=2Qp6pqD6m6dPARzaOXalwvpiRtMsVik1XnYyY4b8Ub7kpUlC3+KlI+TfzjY9J2fuE4 p2I5C797usRQngtl28XciRlFmXMuizg5AKxPsQLPDqahoTrvcJwndSDdnHCJrQjppzI1 MOU7dOKc2Nu51bEKYexpo1czOIhlM/ECZHBriyKCx/w8ZiV85fvuj+NKyoaDu0rNB1nf hL1N86aUW+qoBrMsdawSXyV7DY7jIjvyAHIbu+azFxEbGzXNQBBzvV058kflljml6tR5 mg5uod9mbeuPrKnp9LXkx6rvQaZgbJRDYvqgTOfDyBo5YpFj7UIswX2G/hpTNDGrn9/1 ZaQQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:to:cc:from:subject:message-id:date:user-agent :mime-version:content-language:content-transfer-encoding; bh=ga2Wl9f/1foFY62Wlc8VODha7nmRjQPysvMA2RCkocM=; b=kZUESUaHwvznSVl6B7ai4bp2v4rYrdnYL8KEGsJqv58R5cNP1yDFmDjL78FFZbuERb BFsyF8pcKwhag0jBkbYA2tYSwGJbCcvlzQRt2bVthAxZbW71wGTvmc6LvDVU6IB7W9ZM 237aVqB/jUs27dzKnpjzlV8QvoVPVpc+T2LQHXY+eXQh+i9lb2Xb6yj4QtCbLiUTA68C htfmsMOrGzgc1ivpplxqNGaLCff29tft4/wJjVrp0kLqA35WxxhYCwnG5i3xYnDe508Z TVNsNmI/SEvIDTtSqKHMlqnGWufZIHtYTE8/zz2seuDsAEksCEKUDzpwr/E+R6bdlV6g wjWg== X-Gm-Message-State: AOAM5321LX70/cc05sLy+k+nWHMd4jA95DeQMZJCSPukdN26MSrn9kzT JLwKSUgYxMRX5/+UGNtNANYCc5Tgvge0NA== X-Google-Smtp-Source: ABdhPJzkPxSGzoqUGcIODGwd78pNDON4lC8H6WYRboQnICjB8Ux+JL5CIIq0y01VyQqrHF+H5No80Q== X-Received: by 2002:a92:c54c:: with SMTP id a12mr2621913ilj.256.1639934039848; Sun, 19 Dec 2021 09:13:59 -0800 (PST) Received: from [192.168.1.116] ([66.219.217.159]) by smtp.gmail.com with ESMTPSA id w11sm8287880ilv.18.2021.12.19.09.13.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 19 Dec 2021 09:13:59 -0800 (PST) To: Linus Torvalds Cc: "linux-block@vger.kernel.org" From: Jens Axboe Subject: [GIT PULL] Block revert for -rc6 Message-ID: Date: Sun, 19 Dec 2021 10:13:58 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 Content-Language: en-US Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi Linus, Turns out that the fix for not hammering on the delayed work timer too much caused a performance regression for BFQ, so let's revert the change for now. I've got some ideas on how to fix it appropriately, but they should wait for 5.17. Please pull! The following changes since commit aa97f6cdb7e92909e17c8ca63e622fcb81d57a57: bcache: fix NULL pointer reference in cached_dev_detach_finish (2021-12-14 20:32:54 -0700) are available in the Git repository at: git://git.kernel.dk/linux-block.git tags/block-5.16-2021-12-19 for you to fetch changes up to 87959fa16cfbcf76245c11559db1940069621274: Revert "block: reduce kblockd_mod_delayed_work_on() CPU consumption" (2021-12-19 07:58:44 -0700) ---------------------------------------------------------------- block-5.16-2021-12-19 ---------------------------------------------------------------- Jens Axboe (1): Revert "block: reduce kblockd_mod_delayed_work_on() CPU consumption" block/blk-core.c | 2 -- 1 file changed, 2 deletions(-)