From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Cox Subject: Re: [PATCH 06/10] libata: implement new Power Management framework Date: Mon, 12 Jun 2006 17:34:58 +0100 Message-ID: <1150130098.25462.10.camel@localhost.localdomain> References: <11501274293403-git-send-email-htejun@gmail.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from outpipe-village-512-1.bc.nu ([81.2.110.250]:31912 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id S1751172AbWFLQUn (ORCPT ); Mon, 12 Jun 2006 12:20:43 -0400 In-Reply-To: <11501274293403-git-send-email-htejun@gmail.com> Sender: linux-ide-owner@vger.kernel.org List-Id: linux-ide@vger.kernel.org To: Tejun Heo Cc: jgarzik@pobox.com, lkml@rtr.ca, axboe@suse.de, forrest.zhao@intel.com, linux-ide@vger.kernel.org Ar Maw, 2006-06-13 am 00:50 +0900, ysgrifennodd Tejun Heo: > Suspend is performed parallely on all ports of a host_set and resume > is done parallely in background to decrease the time necessary before > responding to user. Do we need a disk count here - some large disk setups rely on the fact drives don't all spin up at once to avoid overloading the PSU ? Something like four disk spinups at a time ought to avoid biting anyone too badly and would mean normal users saw a parallel spinup. Alan