From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S268178AbUHKUu4 (ORCPT ); Wed, 11 Aug 2004 16:50:56 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S268226AbUHKUu4 (ORCPT ); Wed, 11 Aug 2004 16:50:56 -0400 Received: from odin.allegientsystems.com ([208.251.178.227]:47626 "EHLO pegasus.lawaudit.com") by vger.kernel.org with ESMTP id S268178AbUHKUux (ORCPT ); Wed, 11 Aug 2004 16:50:53 -0400 Message-ID: <411A86AC.6070403@optonline.net> Date: Wed, 11 Aug 2004 16:50:52 -0400 From: Nathan Bryant User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.2) Gecko/20040806 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Pavel Machek CC: "'James Bottomley'" , Linux SCSI Reflector , Linux Kernel list , jgarzik@pobox.com Subject: Re: [PATCH] SCSI midlayer power management References: <4119611D.60401@optonline.net> <20040811080935.GA26098@elf.ucw.cz> <411A1B72.1010302@optonline.net> <20040811201944.GA1550@openzaurus.ucw.cz> In-Reply-To: <20040811201944.GA1550@openzaurus.ucw.cz> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Pavel Machek wrote: > No, I do not need PIO. I'll probably need host > controller support, too, but even w/o it it should > work acceptably. Thanks for the answers. Well, take note of what James wrote. We do guarantee that there will be no further user-initiated disk activity after generic_scsi_suspend. (For the disk but not the rest of the bus.) This doesn't apply to ioctl's/special requests but as James has rightly pointed out this is probably not an issue for realistic intents and purposes. It may actually be an advantage.