From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bartlomiej Zolnierkiewicz Subject: Re: [PATCH 3/4 v2] ide: Implement disk shock protection support Date: Thu, 18 Sep 2008 16:24:53 -0700 Message-ID: <200809181624.54248.bzolnier@gmail.com> References: <87d4j2n3dn.fsf@denkblock.local> <20080917163144.9870.59732.stgit@denkblock.local> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from rv-out-0506.google.com ([209.85.198.232]:59350 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756268AbYIRXxm (ORCPT ); Thu, 18 Sep 2008 19:53:42 -0400 Received: by rv-out-0506.google.com with SMTP id k40so151227rvb.1 for ; Thu, 18 Sep 2008 16:53:42 -0700 (PDT) In-Reply-To: <20080917163144.9870.59732.stgit@denkblock.local> Content-Disposition: inline Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Elias Oltmanns Cc: Jeff Garzik , Randy Dunlap , Tejun Heo , linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org On Wednesday 17 September 2008 09:38:37 Elias Oltmanns wrote: > On user request (through sysfs), the IDLE IMMEDIATE command with UNLOAD > FEATURE as specified in ATA-7 is issued to the device and processing of > the request queue is stopped thereafter until the specified timeout > expires or user space asks to resume normal operation. This is supposed > to prevent the heads of a hard drive from accidentally crashing onto the > platter when a heavy shock is anticipated (like a falling laptop expected > to hit the floor). Port resets are deferred whenever a device on that > port is in the parked state. > > Signed-off-by: Elias Oltmanns applied