From mboxrd@z Thu Jan 1 00:00:00 1970 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 9349313213E; Fri, 31 Jan 2025 16:54:35 +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=1738342477; cv=none; b=JlFdf/AOVHBjTEU/nPhCI/Na4tqK7BbUVJ8N9v/+cN8bJXABEQsOtEVslujKZSLiChq+Ajy0leANl+ZC1/U8sjYS/k8abtIoZigNOMW3vkCuwzmW0pfW1pNJgx+d3H6Uvye6kqoWmvTpN8JZGMEFSCeQ3gT7+GtzbSkwr7ys2KE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738342477; c=relaxed/simple; bh=T4w4l/ML8sG/6PL1ZLUlQtOeG//l3YrKy+fXjPA3kgg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=rHIe/CoP8E+WznGIu4325weS06/diky9YPW3ieCGLLT60EGy1b+Z7ZPqcSBpPWCBCxqlA22bsPhemqyX6ewMkG2hNfR8eQUnyXNQzkEsIPO0rugbp2C5+bd13gLmLVlcuf+LTj2dquavcMXEL0EHzmOxgCd5GsWJIH5mMVvDpCw= 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=vWKEvn6v; 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=acm.org header.i=@acm.org header.b="vWKEvn6v" Received: from localhost (localhost [127.0.0.1]) by 008.lax.mailroute.net (Postfix) with ESMTP id 4Yl26x6LbZz6ClY99; Fri, 31 Jan 2025 16:54:33 +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=1738342466; x=1740934467; bh=H5OxaIOFfU0Kvkdx0QEkv/B1 Xo6nZgwqF8qHcl2XHts=; b=vWKEvn6veUFMlK4Keshv1At+q+I6MZqhbjU5cSNL YCgRV5p3q2l1o3zFSExt17y6OQ7b37Ru++SM1yCmXCBrmrUjLZ+tEGN0h4d/CJ/D NpfyS7qIwJyjCxZI7umt1HvmQI4vlozmQ1M6hfvTAMeaVU/7z3PMkT8ZFuOqS2YI Mfl+sEPuYSQaVkginaobADpNnz5aBfVKTydLybWrpBMciKfth9+YtQK3GbPPv2AZ 3xNINyPsLte7/PsOwkcdx5F4oqh4USohEKTBaE0bGpU1uOSsVWvzFmlhu9W1RD7n 8mFvlVOHPdpxiBNrutiENNhJFhGsvWQoKGgMEbgUcze26g== 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 TQKAQK4UugGM; Fri, 31 Jan 2025 16:54:26 +0000 (UTC) Received: from [100.66.154.22] (unknown [104.135.204.82]) (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 4Yl26k6bm9z6ClY95; Fri, 31 Jan 2025 16:54:22 +0000 (UTC) Message-ID: <89bc6dd3-4015-409f-bb1c-2a957171cfd0@acm.org> Date: Fri, 31 Jan 2025 08:54:21 -0800 Precedence: bulk X-Mailing-List: target-devel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/3] block: mark bounce buffering as incompatible with integrity To: Christoph Hellwig , Jens Axboe Cc: Mike Snitzer , Mikulas Patocka , Song Liu , Yu Kuai , "Martin K. Petersen" , Kanchan Joshi , linux-block@vger.kernel.org, dm-devel@lists.linux.dev, linux-raid@vger.kernel.org, target-devel@vger.kernel.org References: <20250131122436.1317268-1-hch@lst.de> <20250131122436.1317268-2-hch@lst.de> Content-Language: en-US From: Bart Van Assche In-Reply-To: <20250131122436.1317268-2-hch@lst.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 1/31/25 4:24 AM, Christoph Hellwig wrote: > + if (lim->features & BLK_FEAT_BOUNCE_HIGH) { > + pr_warn("no bounce buffer support for integruty metadata\n"); > + return -EINVAL; > + } integruty -> integrity Thanks, Bart.