From mboxrd@z Thu Jan 1 00:00:00 1970 From: Doug Maxey Subject: Re: PATA drivers in libata? Date: Sun, 13 Feb 2005 18:19:31 -0600 Message-ID: <200502140019.j1E0JV66028132@falcon30.maxeymade.com> References: <420FCE4F.7010205@pobox.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Received: from falcon30.maxeymade.com ([24.173.215.190]:32393 "EHLO falcon30.maxeymade.com") by vger.kernel.org with ESMTP id S261321AbVBNATh (ORCPT ); Sun, 13 Feb 2005 19:19:37 -0500 In-reply-to: <420FCE4F.7010205@pobox.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Jeff Garzik Cc: Mark Hahn , "linux-ide@vger.kernel.org" On Sun, 13 Feb 2005 17:01:51 EST, Jeff Garzik wrote: >Mark Hahn wrote: >>>* With ATA passthru (in libata-dev currently), libata supports SMART and >>>the HDIO_CMD/HDIO_TASK generalized ioctls. Should I care about >>>supporting other ioctls? >> >> >> is there some other mechanism to en/disable write caching? > >Besides the SG_IO | HDIO_DRIVE_CMD | HDIO_DRIVE_TASK | >HDIO_DRIVE_TASKFILE ioctls? Nope. > > Jeff One thing that I would hope for is the ability to recognize that a drive may prefer the use of write cache be set by the drive, defaulting to off, and not have to come back later and turn it off. Certain drives destined to be used in server class machines will be coming that way. ++doug