Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932803AbbFWPCc (ORCPT ); Tue, 23 Jun 2015 11:02:32 -0400 Received: from mail-la0-f54.google.com ([209.85.215.54]:34601 "EHLO mail-la0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754691AbbFWPCY (ORCPT ); Tue, 23 Jun 2015 11:02:24 -0400 MIME-Version: 1.0 In-Reply-To: <20150622153653.GB15570@kroah.com> References: <20150622153653.GB15570@kroah.com> Date: Tue, 23 Jun 2015 23:02:22 +0800 Message-ID: Subject: Re: Stop SSD from waiting for "Spinning up disk..." From: Jeff Chua To: Greg Kroah-Hartman Cc: Linux Kernel , Christoph Hellwig Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 810 Lines: 25 On Mon, Jun 22, 2015 at 11:36 PM, Greg Kroah-Hartman wrote: > On Mon, Jun 22, 2015 at 03:25:29PM +0800, Jeff Chua wrote: >> >> There's no need to wait for disk spin-up for USB SSD devices. This patch >> allow the SSD to skip waiting disk spin-up by passing sd_mod.ssd=1 during >> boot-up. >> >> If there's a better way to handle this, please share. > > Module parameters are never a solution for a device-specific property, > sorry. Greg, SSD is coming mainstream and it doesn't make sense wasting time spinning up "disk" ... Jeff. -- 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/