From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from out-189.mta1.migadu.com (out-189.mta1.migadu.com [95.215.58.189]) (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 D314445008 for ; Fri, 7 Jun 2024 06:33:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.189 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717741997; cv=none; b=BrZbzv1NJEvYVnwEn12Dq5q/U42zQrYiwtepyKL8h9UBA7W+VjMvQ2EqmcdY8UG9EZrGTkke/abQOzVnq5RuZHc//cULS/e2VzVpMlILXBFkqdD4sqwON7O7nqhAfy428f/PJa2aPM84je0QKZH9wKZyNo2H2hvHOEMo9lWIFAs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717741997; c=relaxed/simple; bh=aeeAV18NL5zwnJhyY5Mu0GQcHJndNDUCKeVCW99ZGG4=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=uxNN9hTOz+P9K6OSlBQPywEAjOyNtE7Mb5+sdCVbvVeVv5MmisZbHQRAfFgZQz3uMLQ1RcwAQz8LcNPTitepZuCzdUi4dCx+MV6jT6ZP9KC7+Fy3QsV0fFRP5zIOLsoBl1pFoE5AgCTzdC0nQII/y0hprfjNcHmJi8IZVDDo6fo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev; spf=pass smtp.mailfrom=linux.dev; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b=U5Me/K+7; arc=none smtp.client-ip=95.215.58.189 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.dev Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.dev Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.dev header.i=@linux.dev header.b="U5Me/K+7" X-Envelope-To: hch@lst.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1717741993; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=uqn98qnbHlEsgzTqMBvOqaHJPzVEiq0rM4rP3bX1Rw8=; b=U5Me/K+7cduPOZrRRjB59q7O7SRFQM2ACruBZevtAGPMJ9H5JNCUSZxtxTGRQovbDSWgfJ VGd2T2T11otqHh3sj2AMIkvuOVM2Jyl5J0PKAfPW9qcYiPmxwSR3OtCW5sLbl93RdT/XpG DLb30vyf6TvHfCINSJ1lHIwTmD+JxJE= X-Envelope-To: f.weber@proxmox.com X-Envelope-To: axboe@kernel.dk X-Envelope-To: ming.lei@redhat.com X-Envelope-To: bvanassche@acm.org X-Envelope-To: linux-block@vger.kernel.org X-Envelope-To: linux-kernel@vger.kernel.org X-Envelope-To: zhouchengming@bytedance.com X-Envelope-To: t.lamprecht@proxmox.com Message-ID: <1899ff04-f1de-4d1a-be97-a8702ca3cd65@linux.dev> Date: Fri, 7 Jun 2024 14:33:07 +0800 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH] block: fix request.queuelist usage in flush Content-Language: en-US To: Christoph Hellwig Cc: Friedrich Weber , axboe@kernel.dk, ming.lei@redhat.com, bvanassche@acm.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, zhouchengming@bytedance.com, Thomas Lamprecht References: <20240604064745.808610-1-chengming.zhou@linux.dev> <1344640f-b22d-4791-aed4-68fc62fb6e36@linux.dev> <7193e02e-7347-48db-b1a0-67b44730480b@proxmox.com> <448721f2-8e0b-4c5a-9764-bde65a5ee981@linux.dev> <343166f4-ac11-4f0e-ad13-6dc14dbf573d@proxmox.com> <20240607045511.GB2857@lst.de> <2223bbb9-8bc8-4566-9c3f-ef6103422068@linux.dev> <20240607063101.GA5387@lst.de> X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. From: Chengming Zhou In-Reply-To: <20240607063101.GA5387@lst.de> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Migadu-Flow: FLOW_OUT On 2024/6/7 14:31, Christoph Hellwig wrote: > On Fri, Jun 07, 2024 at 02:24:52PM +0800, Chengming Zhou wrote: >> Right, how about add WARN here to catch it? Or just set it to PREFLUSH? >> Not familiar with dm code, need help if we need to fix it in dm. :) > > We'll need to fix dm first. I'll take a look if I can reproduce it. > Let's kept the list_del_init fix in first, I hope I can allocate some > time to this soon. Ok, it's great, thanks!