Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030432AbVKPSjD (ORCPT ); Wed, 16 Nov 2005 13:39:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030436AbVKPSjC (ORCPT ); Wed, 16 Nov 2005 13:39:02 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:41386 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S1030432AbVKPSjA (ORCPT ); Wed, 16 Nov 2005 13:39:00 -0500 Date: Sun, 13 Nov 2005 15:10:56 +0000 From: Pavel Machek To: Hui Cheng Cc: kernelnewbies@nl.linux.org, linux-kernel@vger.kernel.org Subject: Re: How to quickly detect the mode change of a hard disk? Message-ID: <20051113151056.GB2193@spitz.ucw.cz> References: <200511102334.10926.cloud.of.andor@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 782 Lines: 16 > I am currently doing a kernel module involves detecting/changing > disk mode among STANDBY and ACTIVE/IDLE. I used ide_cmd_wait() to issue > commands like WIN_IDLEIMMEDIATELY and WIN_STANDBYNOW1. The problem is, a > drive in standby mode will automatically awake whenever a disk operation > is requested and I need to know the mode change as soon as possible. (So I AFAIK there's no nice way to get that info, but it is useful, so patch would be welcome. -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms - 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/