From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=213.95.11.211 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793961576; b=0SzZ1qJ4QPJxp8nmUuqFNApnturBQjk9iE9C7TGfPgQ6HYFxAvIa+HaLFYknvlaCLzRv lewyCSIdBhX/P7A0mMJcCwaaisl1Q8MAsJ3zuVXgeQFcY3A0uP7iNNngw/SpKMWQ13Yfk ChY3rM1i+TUA+TpbY0CkwHChcZ/ITaSbqN2q8AGr1/oNQdKcFcQgzF8mntvAApE6pTvMz g2RY2WiWvnxB26/BsnVN6gNYhJPxZ/YvzGilQBiDc5MiTJ33iy4rodyXdgZ99H1XfToJJ tmX3HLkGcKTyLamy5u6Gphl/Zm0kG7a1HhUVo6PqVx1NgsvceIuzastKKnCYBdMtH2g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793961576; h=DMARC-Filter:Received:Date:From:To:Cc:Subject:Message-ID:References: MIME-Version:Content-Type:Content-Disposition:In-Reply-To:User-Agent; bh=gaoHfM3wTtwoxj8HG7vLz81hToomm6xkkEefXaJGFa0=; b=zyQnC/WknG0X7IMz8/i+uxsp/papHGVzvhe6DPJVdWytZ9cxChbKXCTlcPHAstTUROKw c+3i9QeKamVfCAXfp357qGtzva6BhDRqhq+J5WKJQ1XQ2EtfuC9d+Zetq7N0BAn67QHf0 tK2O3XEdI4dlmNtEF89JvQxDGEcCovflv89Nybb40GExzhfd/6LUEIFtTEMq5zo4Yg8mv /LWR2spNoQNbb/UMyFQT5Korpoj5wDUA+u4FdWLDiz1J1YMM48x/RkwFfgEk4TylTOM1i w52B2WP8QVzrvXegvO/uOaOt3l2laCUFnz46m+LJwVwvZnvMFpI0J6eoLMSNw4c+qQQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.remote-ip=213.95.11.211 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A224A606A329; Fri, 6 Nov 2026 10:39:35 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org A224A606A329 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lst.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lst.de Received: by verein.lst.de (Postfix, from userid 2407) id 6DBD168BEB; Fri, 6 Nov 2026 11:39:32 +0100 (CET) Date: Fri, 6 Nov 2026 11:39:32 +0100 From: Christoph Hellwig To: shao.mingyin@zte.com.cn Cc: kbusch@kernel.org, axboe@kernel.dk, hch@lst.de, sagi@grimberg.me, linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: Re: [PATCH 1/2] nvmet: zero out unused data of fixed-size log pages Message-ID: <20261106103932.GA5633@lst.de> References: <20261105215753914RuQA4AVkFtXzpBkieEscY@zte.com.cn> <20261105215759419k4-bV6cgNlque5OLcc4E9@zte.com.cn> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261105215759419k4-bV6cgNlque5OLcc4E9@zte.com.cn> User-Agent: Mutt/1.5.17 (2007-11-01) Given none of these are in a fast path, should we simply zero the entire transfer length first? Also please cut down the commit messages a bit to be on-point.