From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from verein.lst.de (verein.lst.de [213.95.11.211]) (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 415A8199936; Thu, 3 Oct 2024 12:55:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.95.11.211 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727960149; cv=none; b=hh7iGjUe91QNSFYvao/M/uf1NFHxijC7eomReg42mMoiuhkIc91QVdBBXaausf3IadLrfoJgdBzSYUdxeBfEAB/pGxqhAPf82MtdHdeoBbXyEVN/SsupSz073b9QBp4x+/e5j68jadaEkOOG4uEX87jRnc/Twe2WLc1EaBqa0tU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727960149; c=relaxed/simple; bh=13t2FQP0Ub/NYL4Y5bKZ5M3VdtKW/+EstcVT9OLQCMc=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=MjWgjCVayG4Dt7yeozGc9DpQGtWhLmLtsTBGe1yVkog3UHqBy5FsDKlV3SnaF42/68pjyuvq2hrcabJpobUrcKAZK+nXVMvmPARmD0LQHp8o87nJHJfOMZYKZ7IuSqxA17Eajgg7K5SyvwW7v3ha1udV+gbwuaZr1bgFTB+g0t8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=lst.de; spf=pass smtp.mailfrom=lst.de; arc=none smtp.client-ip=213.95.11.211 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (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 42C94227A88; Thu, 3 Oct 2024 14:55:45 +0200 (CEST) Date: Thu, 3 Oct 2024 14:55:44 +0200 From: Christoph Hellwig To: Bart Van Assche Cc: Kanchan Joshi , axboe@kernel.dk, kbusch@kernel.org, hch@lst.de, hare@suse.de, sagi@grimberg.me, martin.petersen@oracle.com, brauner@kernel.org, viro@zeniv.linux.org.uk, jack@suse.cz, jaegeuk@kernel.org, bcrl@kvack.org, dhowells@redhat.com, asml.silence@gmail.com, linux-nvme@lists.infradead.org, linux-fsdevel@vger.kernel.org, io-uring@vger.kernel.org, linux-block@vger.kernel.org, linux-aio@kvack.org, gost.dev@samsung.com, vishak.g@samsung.com, javier.gonz@samsung.com, Hui Qi , Nitesh Shetty Subject: Re: [PATCH v7 1/3] nvme: enable FDP support Message-ID: <20241003125544.GD17031@lst.de> References: <20240930181305.17286-1-joshi.k@samsung.com> <20240930181305.17286-2-joshi.k@samsung.com> <38daf18f-7637-4c27-9a43-67ad39dc15c0@acm.org> Precedence: bulk X-Mailing-List: io-uring@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: <38daf18f-7637-4c27-9a43-67ad39dc15c0@acm.org> User-Agent: Mutt/1.5.17 (2007-11-01) On Wed, Oct 02, 2024 at 11:37:11AM -0700, Bart Van Assche wrote: > Is the description of this patch correct? The above description suggests > that FDP information is similar in nature to SCSI data lifetime > information. I don't think that's correct. As you correctly point out, it is entirely incorrect.