Received: by 2002:ab2:6816:0:b0:1f9:5764:f03e with SMTP id t22csp1297716lqo; Fri, 17 May 2024 19:14:51 -0700 (PDT) X-Forwarded-Encrypted: i=3; AJvYcCWsqVf99Bhi/R7G6BRBwZ/7orX9HPxeM1kW7XpYCH6eQYceAO0OwY3Mf+1sR0Iy4f6D+gvVwVkbXV8wd4ybMUNLO6rsQo9W814w2x4l8g== X-Google-Smtp-Source: AGHT+IHJTP4xP6ioWBTD1O0KHrjm/5yh+raNq9QB8Z8jD4ZFddB1ucG3CftG1DSQzZS3ux+9u5m3 X-Received: by 2002:a05:620a:3711:b0:790:98ba:67c5 with SMTP id af79cd13be357-792c75ae6d9mr3042817085a.33.1715998491226; Fri, 17 May 2024 19:14:51 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1715998491; cv=pass; d=google.com; s=arc-20160816; b=rm0DDc435DPQ9ar2BSppEKX73oxfjkKQjBDAP+YfVSwHyE6+qQKfml8TQziRQyvQ+y +yY/njeFlBXB3JhC+aXcPzmQ9gDG8FFtc3+GeCUm5hJQTzDSRuBt1nVk2wdjuzJ5vg6V jvVqBfFJmMsG5inf06jX1qMkjoVT2Kk5DUYY5flCctZqzBQIr2hOGuXov5rJ85l0X0a0 p+h9vtaRgfun1a0L8NoLCtYlCD42/dSosqR3+j5OACoLS5znF3ZQTI31RKT1o48UsvsI mJZms/QiyLn0gifW44i6Iw5/qpw0KpGseJkZBcxBvVmSr2DKDZAWoQvwEqiPIrlfbYrf lvYg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:date:message-id:dkim-signature; bh=UbQnzm+5CypOEttM2+Nl4mA/XfIDfwurp0+enqNeHJM=; fh=Py3zS5OgGSkI4cjGhYcJ8OC9Y9VrX18+BswrlFu0gPU=; b=TpmGt5dNiUVfXe2HbPo+0VX822HC/Bm0QJj3fIntovpAK+1F5L6pz3qrrVyMT9CwBc r00RUI4ts0cRlkWi08sP0ef/RS2a8pwW7bfF3PXBIOO9a6B3auBIHJUPQXTFgVKcRMgk crW6sbtYMDVBiuD/vrZ9yq3XA8uJ8gGBALbUL8w5yawwC9E7vSutsWawtKK3fo/NmgM9 O3LGhmR6CgaA8VcWkZUhishaA8vqeTBOVATqxLQizhWqHjOdMNsr9UvVA95DDyUUa1R4 u/9SpaBg0C7S8r+u80IrXsB60oJ3hNFbFhNfLxPW4i0wH3XFBDrSx6z16M+zKFyfCVPU em4A==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@acm.org header.s=mr01 header.b=D6ZKS0Cr; arc=pass (i=1 spf=pass spfdomain=acm.org dkim=pass dkdomain=acm.org dmarc=pass fromdomain=acm.org); spf=pass (google.com: domain of linux-kernel+bounces-182756-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-182756-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=acm.org Return-Path: Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org. [2604:1380:45d1:ec00::1]) by mx.google.com with ESMTPS id af79cd13be357-792e91c8c6esi1068589585a.402.2024.05.17.19.14.51 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 May 2024 19:14:51 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel+bounces-182756-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) client-ip=2604:1380:45d1:ec00::1; Authentication-Results: mx.google.com; dkim=pass header.i=@acm.org header.s=mr01 header.b=D6ZKS0Cr; arc=pass (i=1 spf=pass spfdomain=acm.org dkim=pass dkdomain=acm.org dmarc=pass fromdomain=acm.org); spf=pass (google.com: domain of linux-kernel+bounces-182756-linux.lists.archive=gmail.com@vger.kernel.org designates 2604:1380:45d1:ec00::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-182756-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=acm.org Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id EF11F1C212CD for ; Sat, 18 May 2024 02:14:50 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 010916FD0; Sat, 18 May 2024 02:14:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="D6ZKS0Cr" Received: from 008.lax.mailroute.net (008.lax.mailroute.net [199.89.1.11]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B48251A2C10; Sat, 18 May 2024 02:14:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=199.89.1.11 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715998481; cv=none; b=DTzO+hXNDm5inmTk1hP5CbZ/n0XVbjdPfxkuhj/saIxlofaxarMPmXlIdSgLlY0E2GPe/WoW8OIMQh4HESweN1ZpIsTh5XvUCmR7OI8M//ffhPjITGr6wZqqbuB+5NJu9ssmCJFZymla3pXseSNzG3RQMbLAYWNw1h+3MNStvEo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1715998481; c=relaxed/simple; bh=UbQnzm+5CypOEttM2+Nl4mA/XfIDfwurp0+enqNeHJM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=a+M5LOJDD5NxTFponx1JJ/62bG9EDYYK5WC1Oz9PK9TdlQA3MQYJ2dKqp0DAFHOMimDW/5ZqgGxPVdEUFtDfeEZnkoFiSLpY9hdFmuJKVO1cugsI4+hN3GfC9m/VgjBVaAWR5vPO3FP6CK+kCKn9MIM3IJpWqJ1Qrnhzhq6fT1g= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org; spf=pass smtp.mailfrom=acm.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b=D6ZKS0Cr; arc=none smtp.client-ip=199.89.1.11 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=acm.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=acm.org Received: from localhost (localhost [127.0.0.1]) by 008.lax.mailroute.net (Postfix) with ESMTP id 4Vh6pd59hwz6Cnk8t; Sat, 18 May 2024 02:14:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=acm.org; h= content-transfer-encoding:content-type:content-type:in-reply-to :from:from:content-language:references:subject:subject :user-agent:mime-version:date:date:message-id:received:received; s=mr01; t=1715998471; x=1718590472; bh=UbQnzm+5CypOEttM2+Nl4mA/ XfIDfwurp0+enqNeHJM=; b=D6ZKS0Cr/1tgAnBkdZaaZ2nVPOp0wOyTn6xfKt8P wwEzE9bX2OEeuSAa6xK+0KhwhfZHN+5SD1TR7Q2HhpUHKkkCfw8eoztVRmxBbOfU zuHaY++ET/uBi6DsC/wo7Kio4Kj4LFlbK+GAfylAumJa38p9Hn2jNHkB2AaOcwhc 7g9yRNKRoFCTL/5VhVTPZCYxZGDS5KpzZP7AyfrmK1kG4zUCT9BQOqMdYdN58iNH zrg86TI123bkTZKF76YRjx/zDY/PmFmcFYlXNhZDwkUOlfQsHikqUjSovKTAyfah RNHOFipv8dQw39amspgHanLc83F5qc/wBiM2u1rX8qOLfw== X-Virus-Scanned: by MailRoute Received: from 008.lax.mailroute.net ([127.0.0.1]) by localhost (008.lax [127.0.0.1]) (mroute_mailscanner, port 10029) with LMTP id 31GtY76U9S_a; Sat, 18 May 2024 02:14:31 +0000 (UTC) Received: from [192.168.51.14] (c-73-231-117-72.hsd1.ca.comcast.net [73.231.117.72]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: bvanassche@acm.org) by 008.lax.mailroute.net (Postfix) with ESMTPSA id 4Vh6pY28z2z6Cnk8s; Sat, 18 May 2024 02:14:28 +0000 (UTC) Message-ID: <81d66a3c-89fc-443d-bf8a-3c080d2049de@acm.org> Date: Fri, 17 May 2024 19:14:27 -0700 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH stable] block/mq-deadline: fix different priority request on the same zone To: Wu Bo , Wu Bo Cc: axboe@kernel.dk, dlemoal@kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20240517014456.1919588-1-bo.wu@vivo.com> Content-Language: en-US From: Bart Van Assche In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 5/17/24 18:52, Wu Bo wrote: > Yes, I noticed that 'zone write plugging' has been merged to latest > branch. But it seems hard to backport to old version which mq-deadline > priority feature has been merged. So is it possible to apply this fix to > old versions? If you need this change in the Android kernel, please either submit a CL to the Android kernel repository or submit a request to Android Partner Engineering program. Thanks, Bart.