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 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 538DCC433EF for ; Fri, 8 Oct 2021 03:11:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2D7DC60F57 for ; Fri, 8 Oct 2021 03:11:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229723AbhJHDNG (ORCPT ); Thu, 7 Oct 2021 23:13:06 -0400 Received: from mail-pf1-f169.google.com ([209.85.210.169]:35590 "EHLO mail-pf1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229501AbhJHDNF (ORCPT ); Thu, 7 Oct 2021 23:13:05 -0400 Received: by mail-pf1-f169.google.com with SMTP id c29so7010061pfp.2; Thu, 07 Oct 2021 20:11:11 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:message-id:date:mime-version:user-agent:subject :content-language:to:cc:references:from:in-reply-to :content-transfer-encoding; bh=rLOkTDNXQRue7DStz70VlFnLnX3t0szG1FNVtaPMlsg=; b=zMJi0si6WhTch7SM4n3OJ8numdd2xW1ThpJXfj5yOARN2CMm+PFNcf3K1vWJjtzsbF p6Ik7MFeBPU2Y4jFX1G+zhOsgflqyNUNIa373mZidKTSQsGQTR4QaaVZRJD8SWntPilu PrVBH9XjqG3TjmworPYKmZrYd1I6wXm2qOGM/CaNtk+HBSkaMF3mWRYfBA6g7FOxMiPX D3IJq0J3mUmNLcCUOvH2CL9ecu8BxRQXb0FfxFKOWf4FmNtql5/CF8EvmxLHXlavRaY3 UQZwRSB5Rr4BiNALdcg64NSMk+SyIz64QuXFoG9NDc9y77jpEap/LN3CEFR/BtvKBHiM aDGw== X-Gm-Message-State: AOAM532bJ5EP+7gB86y0OCCTXR7tY823ybk5/HbuWRZ1gbBFHeHv8vuX kFnwzPgns1Vrkkc5pe0ITtk= X-Google-Smtp-Source: ABdhPJx51wt6jP3tgXED0xnjgBGnPzOmyEzNtu0+eW1vyBuVUs42LmsYFErRQ+kLdJU4zGJaPCBlkQ== X-Received: by 2002:a63:530e:: with SMTP id h14mr2648011pgb.279.1633662670722; Thu, 07 Oct 2021 20:11:10 -0700 (PDT) Received: from ?IPV6:2601:647:4000:d7:9fa9:27d:6339:b8ef? ([2601:647:4000:d7:9fa9:27d:6339:b8ef]) by smtp.gmail.com with ESMTPSA id g22sm784609pfj.15.2021.10.07.20.11.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 07 Oct 2021 20:11:10 -0700 (PDT) Message-ID: <597c4cbe-ca6c-53e5-1139-be2ca0fbb677@acm.org> Date: Thu, 7 Oct 2021 20:11:08 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.1 Subject: Re: [PATCH v5 00/14] blk-mq: Reduce static requests memory footprint for shared sbitmap Content-Language: en-US To: Kashyap Desai , John Garry , Jens Axboe Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, ming.lei@redhat.com, hare@suse.de, linux-scsi@vger.kernel.org References: <1633429419-228500-1-git-send-email-john.garry@huawei.com> <81d9e019-b730-221e-a8c0-f72a8422a2ec@huawei.com> From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org On 10/7/21 13:31, Kashyap Desai wrote: > I tested this patchset on 5.15-rc4 (master) - > https://github.com/torvalds/linux.git > > #1 I noticed some performance regression @mq-deadline scheduler which is not > related to this series. I will bisect and get more detail about this issue > separately. Please test this patch series on top of Jens' for-next branch (git://git.kernel.dk/linux-block). The mq-deadline performance on Jens' for-next branch should match that of kernel v5.13. Thanks, Bart.