From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [sqlite] light weight write barriers Date: Thu, 25 Oct 2012 14:03:25 +0100 Message-ID: <20121025140325.49cd7c79@pyramind.ukuu.org.uk> References: <5086F5A7.9090406@vlnb.net> <20121025051445.GA9860@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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 To: "Theodore Ts'o" Return-path: In-Reply-To: <20121025051445.GA9860@thunk.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org > > 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