Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932639AbZDBQtp (ORCPT ); Thu, 2 Apr 2009 12:49:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932267AbZDBQrp (ORCPT ); Thu, 2 Apr 2009 12:47:45 -0400 Received: from mga10.intel.com ([192.55.52.92]:8026 "EHLO fmsmga102.fm.intel.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932258AbZDBQro (ORCPT ); Thu, 2 Apr 2009 12:47:44 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.39,314,1235980800"; d="scan'208";a="678228856" Date: Thu, 2 Apr 2009 09:47:42 -0700 From: Matthew Wilcox To: Sergei Shtylyov Cc: linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org, jgarzik@redhat.com, David Woodhouse Subject: Re: [PATCH 3/5] ata: Add TRIM infrastructure Message-ID: <20090402164742.GP2661@linux.intel.com> References: <1238683047-13588-1-git-send-email-willy@linux.intel.com> <1238683047-13588-2-git-send-email-willy@linux.intel.com> <1238683047-13588-3-git-send-email-willy@linux.intel.com> <49D4DFFB.8070201@ru.mvista.com> <20090402161835.GN2661@linux.intel.com> <49D4E8B8.5000301@ru.mvista.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <49D4E8B8.5000301@ru.mvista.com> User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 741 Lines: 18 On Thu, Apr 02, 2009 at 08:32:56PM +0400, Sergei Shtylyov wrote: > Matthew Wilcox wrote: > >>> I wonder where to read about the word 169 and commnand 0x06... >>> what's it all about? > >> It's in d2015r1-ATAATAPI_Command_Set_-_2_ACS-2.pdf which can be found on >> the t13 website. > > But since neither ATA/PI-7 nor ATA/PI-8 mention neither the word nor > command, why your validity check requires only ATA/PI-7+ compliance? Because there are ATA-7 devices which implement this feature. -- 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/