Re: [GIT PULL] Ext3 latency fixes

Jeff Garzik
2009-04-06T05:48:07Z

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...

A -new- industry standard. You can certainly create a compliant SSD
while only conforming to ATA-7, for example. Some older IDE flash
devices pretend they are normal hard drives in almost every respect, too.

Jeff