From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mark Lord Subject: Re: Libata and Drive Write Cache Disable Date: Tue, 07 Nov 2006 12:11:48 -0500 Message-ID: <4550BE54.7060508@rtr.ca> References: <632b79000611060948v267bd33ahf1ff585cf4de9fcc@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from rtr.ca ([64.26.128.89]:46342 "EHLO mail.rtr.ca") by vger.kernel.org with ESMTP id S965541AbWKGRLt (ORCPT ); Tue, 7 Nov 2006 12:11:49 -0500 In-Reply-To: <632b79000611060948v267bd33ahf1ff585cf4de9fcc@mail.gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Don Dupuis Cc: linux-ide@vger.kernel.org Don Dupuis wrote: > When will this be supported in libata. I have drives attached to a > AHCI controller and want to turn drive write cache OFF. Sdparm will > not allow me to do so. Any work-arounds or patches would be greatly > appreciated. I am also using kernel 2.6.18. hdparm -W0 /dev/sda It works just fine. Cheers