From: Mark Lord <lkml@rtr.ca>
Subject: Re: [GIT PULL] Ext3 latency fixes
Date: Sun, 05 Apr 2009 22:32:23 -0400
Message-ID: <49D969B7.8050501@rtr.ca>
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Cc: Jeff Garzik <jeff@garzik.org>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Theodore Tso <tytso@mit.edu>,
	Jens Axboe <jens.axboe@oracle.com>,
	Linux Kernel Developers List <linux-kernel@vger.kernel.org>,
	Ext4 Developers List <linux-ext4@vger.kernel.org>
To: Arjan van de Ven <arjan@infradead.org>
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Arjan van de Ven wrote:
> On Sun, 05 Apr 2009 16:57:21 -0400
> Jeff Garzik <jeff@garzik.org> wrote:
>> We set it in libata-scsi.c:ata_scsi_dev_config() based on
>> ata_id_is_ssd()
>>
>> That hueristic probably assumes Intel SSDs or something :/
> 
> you mean the "rpm" set to '1' ?
> I was pretty sure that that was industry standard...
.. 

Or even set to zero.  I just don't recall seeing the RPM
reported by hdparm-9.12 for Jeff's SSD.

Cheers