linux-kernel - Re: Stop SSD from waiting for "Spinning up disk..."

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Date:	Tue, 23 Jun 2015 23:02:22 +0800
From:	Jeff Chua <jeff.chua.linux@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Christoph Hellwig <hch@....de>
Subject: Re: Stop SSD from waiting for "Spinning up disk..."

On Mon, Jun 22, 2015 at 11:36 PM, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> 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.
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