From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 9FB4A2F6563 for ; Mon, 20 Oct 2025 14:05:14 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.137.202.133 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760969118; cv=none; b=pCzqeEu3Po/xDjD7qLIh04xom9tIcfBF3SmrqEGL4hQbDyRbZac6B+6Ex4jnPV4KPdcw7VVVZsd1DV8tc9FnOZxdomMDkSClH7ipSn2CbNP9Z3gRgKlQ/VqcX9m/rB53ZQjJRZdYGpZreG+sYgncZ8mAxp0laLwZEcc8RJGQqww= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760969118; c=relaxed/simple; bh=ulEIJE9PdmsAbbnVqTB1cQDBXy3HikqUS+1TgXZnXUc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ncZ60zIjvEK7VSh7JhtudKLS6U8S+N/TymGful45Nm+6F/CzwT3TdWyCcM1CfgmfY3Iy7MlXFuXX6HcedqbPzTwmeTAHT0xpWo5J85xVo4qwSkRc/RcZXV+b/w8zDP6LUkECw8Nv729NtH9Nryawy86HHf0hg8Q3s4T9l5JY9nM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=LNh7/lT6; arc=none smtp.client-ip=198.137.202.133 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=bombadil.srs.infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="LNh7/lT6" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=Te78FUGl5HLZxGutkZroe+MntakvvlwKzFpAP++OYmw=; b=LNh7/lT6+Jl4L14lMHxxWfNyjm 7faLF3RnPCt7n5L8QNVvEwxWUKhVr0uwYhxcUyRnM1tvAwMzEMAbGmLkUYGTMr5ODy9KSIEIx876Y 4YsoVpD6L/qijFAWDD6p5WgovtS97ifF1dYYgm/ovdzrsiN7X2FPVA7XQQigqBQfQLKhzjHvJn99A WDJGBCkAK4doCfOo61WDey18DHBF4BoDmmr7KTrckjHozjjWkjZPIHQEDp4+zpUdRas/UOwff9U/K t3b45bTezM8pGvsA+vk/wbDrfKOhbdBWvjPhtE+2JGVEg61W+Tpz+8ZBey38ms22jdggKsmiUqu74 daoxeU+w==; Received: from hch by bombadil.infradead.org with local (Exim 4.98.2 #2 (Red Hat Linux)) id 1vAqVa-0000000DtWy-2YdQ; Mon, 20 Oct 2025 14:05:10 +0000 Date: Mon, 20 Oct 2025 07:05:10 -0700 From: Christoph Hellwig To: Chuck Lever Cc: Christoph Hellwig , Mike Snitzer , NeilBrown , Jeff Layton , Olga Kornievskaia , Dai Ngo , Tom Talpey , linux-nfs@vger.kernel.org Subject: Re: [PATCH v4 2/3] NFSD: Implement NFSD_IO_DIRECT for NFS WRITE Message-ID: References: <20251018005431.3403-1-cel@kernel.org> <20251018005431.3403-3-cel@kernel.org> <67e3763c-d20c-4e1c-b7ff-62b59c385210@kernel.org> Precedence: bulk X-Mailing-List: linux-nfs@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: <67e3763c-d20c-4e1c-b7ff-62b59c385210@kernel.org> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html On Mon, Oct 20, 2025 at 09:56:02AM -0400, Chuck Lever wrote: > I tend to agree that I expect an alignment failure will rarely if ever > happen if we've done our job well. It should never happen if the job was done properly. But when -EINVAL happens it can be just as likely any other mismatched condition.