From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Martin K. Petersen" Subject: Re: [PATCH] libata: Whitelist SSDs that are known to properly return zeroes after TRIM Date: Thu, 04 Dec 2014 21:46:53 -0500 Message-ID: References: <547FCECB.4090908@ubuntu.com> <547FD4F6.7090700@ubuntu.com> <20141204214946.3ce15a90@lxorguk.ukuu.org.uk> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from userp1040.oracle.com ([156.151.31.81]:17784 "EHLO userp1040.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932378AbaLECrL (ORCPT ); Thu, 4 Dec 2014 21:47:11 -0500 In-Reply-To: <20141204214946.3ce15a90@lxorguk.ukuu.org.uk> (One Thousand Gnomes's message of "Thu, 4 Dec 2014 21:49:46 +0000") Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: One Thousand Gnomes Cc: "Martin K. Petersen" , Phillip Susi , Tejun Heo , linux-ide@vger.kernel.org >>>>> "Alan" == One Thousand Gnomes writes: Alan> I assume it's something vaguely of the form Alan> Vendor A has agreed with Oracle that drive identity X will do this Alan> and meet some certification so Oracle can approve it for databases Actually, we don't trust devices to zero anything for us :) Alan> Oracle has agreed to break vendor A's legs if it doesn't Alan> Oracle would rather like that the kernel just knows about this Alan> drive as being good, based on the above. We're generally not dealing with this kind of consumer/SMB hardware at Oracle. So s/Oracle/$OTHER_OEM/, but yeah. My interest in this is purely from the upstream discard lackey perspective... -- Martin K. Petersen Oracle Linux Engineering