From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-oi1-f169.google.com (mail-oi1-f169.google.com [209.85.167.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 61D5519CC2F for ; Thu, 3 Oct 2024 13:55:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.167.169 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727963713; cv=none; b=j61vMJnOr68T6s6xk3zGUsiJfABDOJPsNKyEu4reicftIq1dLpBjmy+ddG4hbqwpYQS/hZW6p4gx5oK9ArV0nvE+gvIU5oGpIe0kytbha/gQFQNBkvDUXt/33RzFz+joSD6Ly84p7PjKRptcrfUAsDHTmpenJZxtStD3COyd3dE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727963713; c=relaxed/simple; bh=bOmE3YcpZK/3CXAhmu0t3twv25X7t3k2uHa2c2EcvVM=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=s3xjPz2Gg8cBtn1uXbhinpdL9H7cPyleTGI2+t0JybZwovEOYnE6xIbqtPoqRvNOWmlATBz2p/gHdpP55XEOB6nrXYWhzGEw/POBmCp3Ujs2FGFq0ahl8CNQTh6DKRYqLxhh7nfmhaDuFJfGrQ2U1h62Wj7hp1xBhMHASwISAl0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org; spf=pass smtp.mailfrom=chromium.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b=EtJGQF6S; arc=none smtp.client-ip=209.85.167.169 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=chromium.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=chromium.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="EtJGQF6S" Received: by mail-oi1-f169.google.com with SMTP id 5614622812f47-3e3bfa1f25fso82932b6e.0 for ; Thu, 03 Oct 2024 06:55:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1727963708; x=1728568508; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=bOmE3YcpZK/3CXAhmu0t3twv25X7t3k2uHa2c2EcvVM=; b=EtJGQF6Sa8p2xmhGkv908Q3JnRNtIheWO0cb7plaZMlGSjJKBqScOTDe31L01073f1 /1jDR0wHV6bJigRO1C8eweIGHkuvBzhdO8BlpR0US292+dLizkLooj9+5KP7/+ieRIG2 wmFCOkm0TDfPoU9qwOx1wa35LwL5E3a7BeDcU= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1727963708; x=1728568508; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=bOmE3YcpZK/3CXAhmu0t3twv25X7t3k2uHa2c2EcvVM=; b=lyDrzTPuu9/7iOu4pIHnNLKSm+XMlj7SOy0tWLaMD7h13T8TEV6BjQ+MKtEVFRF1hm Zn+VZj5co0u5JuWQK69bTdpScNbm2c0hGQg5fIYGbVKzinGbF3vnXX9ZJ/+93Dhmxv0v FpfrkG8AQeKExRs9ChMZD6RahNpTwWHmFv72Eiy9/8a4+xadKHItPKNF8eIYMajfBNPf dDgQ9KfGgd5n3Lc86C46yfACVQwgo7izW4qVeZlnM6FuxaT3NX9qoRtXrD19wv1gi9uM iCZ6Du41Jmm1vzQMOTA1SWqgtgKl7dkslbRC8pyvLaYRNOgkJ2MH2At17NHTpF7S9Fi2 H0tQ== X-Forwarded-Encrypted: i=1; AJvYcCXUN1k5j5YBI2iJHvAorrYNcq5zFNQaepcmFdv4GiZ4+B3nxveY2tHOhvzO3EZ39mdqsAxrpqCgA0WJOw==@vger.kernel.org X-Gm-Message-State: AOJu0Yyadejo2QeqfgL1Xm0+u93YuOMznGKFHmQnCvKlJQjuHtlHMnxV H8vk7XYgN+FCEXaudRlMxHqZu00D80GE8V2DfHJR93WDYAf0mlMNV3B53c9+oA== X-Google-Smtp-Source: AGHT+IF1DAiVNaSsERkm9AvX26sdN3J2w5PQD88DZTRv7R0i1VKCdY1954ULkFYZrMw2Gm+661PEyQ== X-Received: by 2002:a54:4d04:0:b0:3e2:967b:ea8f with SMTP id 5614622812f47-3e3b41071acmr3991469b6e.21.1727963708369; Thu, 03 Oct 2024 06:55:08 -0700 (PDT) Received: from google.com ([2401:fa00:8f:203:6c:4e9b:4272:1036]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7e9dcb4d31bsm750099a12.57.2024.10.03.06.55.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 03 Oct 2024 06:55:08 -0700 (PDT) Date: Thu, 3 Oct 2024 22:55:04 +0900 From: Sergey Senozhatsky To: Christoph Hellwig Cc: Sergey Senozhatsky , Jens Axboe , linux-block@vger.kernel.org Subject: Re: block: del_gendisk() vs blk_queue_enter() race condition Message-ID: <20241003135504.GL11458@google.com> References: <20241003085610.GK11458@google.com> Precedence: bulk X-Mailing-List: linux-block@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On (24/10/03 06:36), Christoph Hellwig wrote: > What kernel version did you see this on? 6.6