From: Tejun Heo <htejun@gmail.com>
To: Mark Lord <liml@rtr.ca>
Cc: Jeff Garzik <jgarzik@pobox.com>,
IDE/ATA development list <linux-ide@vger.kernel.org>,
Alan Cox <alan@redhat.com>
Subject: Re: ata_std_qc_defer not good enough for FIS-based switching ?
Date: Wed, 30 Apr 2008 18:38:18 +0900 [thread overview]
Message-ID: <48183E0A.1070308@gmail.com> (raw)
In-Reply-To: <48175664.5030702@rtr.ca>
Mark Lord wrote:
> For the first time ever, I can now *heavily* mix PIO commands
> with NCQ/non-NCQ DMA commands, to drives on an attached PM
> (well, two attached PMs even), and the thing doesn't croak.
> Woo-hoo!
Cool.
> Time to batch up some patches for Jeff. But sadly, just in time
> to have missed his weekly visit to linux-ide. :)
>
> I wonder if something like that is what bit sata_sil24 the other day
> when I had it plugged in, mixing DMA, NCQ, and PIO commands to drives
> on an attached PM?
sil24 and ahci are pretty heavily tested regarding command scheduling.
I'll dig into the log soon. Please give me some time.
Thanks.
--
tejun
next prev parent reply other threads:[~2008-04-30 9:38 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-28 21:06 ata_std_qc_defer not good enough for FIS-based switching ? Mark Lord
2008-04-28 22:08 ` Mark Lord
2008-04-28 23:11 ` Tejun Heo
2008-04-28 23:42 ` Mark Lord
2008-04-29 1:18 ` Tejun Heo
2008-04-29 2:26 ` Mark Lord
2008-05-14 14:11 ` Tejun Heo
2008-05-14 14:45 ` Mark Lord
2008-05-14 14:53 ` Mark Lord
2008-05-14 15:50 ` Mark Lord
2008-05-14 15:59 ` Mark Lord
2008-05-15 7:12 ` Tejun Heo
2008-05-15 6:51 ` Tejun Heo
2008-04-29 17:09 ` Mark Lord
2008-04-29 17:17 ` Mark Lord
2008-04-30 9:38 ` Tejun Heo [this message]
2008-04-30 14:02 ` Mark Lord
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