Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759448Ab2JYM6q (ORCPT ); Thu, 25 Oct 2012 08:58:46 -0400 Received: from lxorguk.ukuu.org.uk ([81.2.110.251]:53586 "EHLO lxorguk.ukuu.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752803Ab2JYM6p (ORCPT ); Thu, 25 Oct 2012 08:58:45 -0400 Date: Thu, 25 Oct 2012 14:03:25 +0100 From: Alan Cox To: "Theodore Ts'o" Cc: Vladislav Bolkhovitin , =?UTF-8?B?5p2o6IuP56uL?= Yang Su Li , General Discussion of SQLite Database , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, drh@hwaci.com Subject: Re: [sqlite] light weight write barriers Message-ID: <20121025140325.49cd7c79@pyramind.ukuu.org.uk> In-Reply-To: <20121025051445.GA9860@thunk.org> References: <5086F5A7.9090406@vlnb.net> <20121025051445.GA9860@thunk.org> X-Mailer: Claws Mail 3.8.1 (GTK+ 2.24.8; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1032 Lines: 23 > > Hopefully, eventually the storage developers will realize the value > > behind ordered commands and learn corresponding SCSI facilities to > > deal with them. > > Eventually, drive manufacturers will realize that trying to price > guage people who want advanced features such as TCQ, DIF/DIX, is the > best way to gaurantee that most people won't bother to purchase them, > and hence the features will remain largely unused.... I doubt they care. The profit on high end features from the people who really need them I would bet far exceeds any other benefit of giving it to others. Welcome to capitalism 8) Plus - spinning rust for those end users is on the way out, SATA to flash is a bit of hack and people are already putting a lot of focus onto things like NVM Express. Alan -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/