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 42B1E19538A; Thu, 3 Oct 2024 12:55:20 +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=1727960121; cv=none; b=j3JjVRaNVWE8jyDGFP2e+LRUC4GHX6H/YMRCDeIhJomcmjn09nAZ7l8sMtBggFVUWiXT7Sr3zP9/NNATA97IAGHaaITLq4r92xlBo3SWFrnYBzWe5lt0jLOan7Z1NvBtN7nK1LzmpqVL1LB1WCCgsuSHAhytn/chpzobIOu95ZA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1727960121; c=relaxed/simple; bh=6hzi9MSmMRtaNkgY/cQBbPd9wRHWXB1Cma/oZYxAwu0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=pbttc7vcXeIRwR3x1Tx6iRQV4979LWXxxMnHcB3CEot2AjGo96kBLgx/9Ec9oVg9iTRLGBhuV1CPz09hpRaJIYCaSBR1X4wspxM+gjhzU6mP4R8XKoBWfqfG0CR5D0KdZHyui6llnLoDHZnlI21q9N7cCGE4hBjP3diZE6MDICg= 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 BBB5E227A88; Thu, 3 Oct 2024 14:55:16 +0200 (CEST) Date: Thu, 3 Oct 2024 14:55:16 +0200 From: Christoph Hellwig To: Bart Van Assche Cc: "Martin K. Petersen" , Christoph Hellwig , Keith Busch , Jens Axboe , Kanchan Joshi , hare@suse.de, sagi@grimberg.me, 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 Subject: Re: [PATCH v7 0/3] FDP and per-io hints Message-ID: <20241003125516.GC17031@lst.de> References: <20240930181305.17286-1-joshi.k@samsung.com> <20241001092047.GA23730@lst.de> <99c95f26-d6fb-4354-822d-eac94fdba765@kernel.dk> <20241002075140.GB20819@lst.de> <20241002151344.GA20364@lst.de> <20241002151949.GA20877@lst.de> 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: User-Agent: Mutt/1.5.17 (2007-11-01) On Wed, Oct 02, 2024 at 11:34:47AM -0700, Bart Van Assche wrote: > Isn't FDP about communicating much more than only this information to > the block device, e.g. information about reclaim units? Although I'm > personally not interested in FDP, my colleagues were involved in the > standardization of FDP. Yes, it is. And when I explained how to properly export this kind of information can be implemented on top of the version Kanchan sent everyone suddenly stopped diskussion technical points and went either silent or all political. So I think some peoples bonuses depend on not understanding the problem I fear :(