From: James Bottomley <James.Bottomley@HansenPartnership.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Jens Axboe <jaxboe@fusionio.com>, Matthew Wilcox <matthew@wil.cx>,
Luben Tuikov <ltuikov@yahoo.com>, Greg KH <greg@kroah.com>,
"linux-scsi@vger.kernel.org" <linux-scsi@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"tj@kernel.org" <tj@kernel.org>
Subject: Re: SCSI TMF processing; tag allocation
Date: Mon, 15 Nov 2010 08:53:14 -0600 [thread overview]
Message-ID: <1289832794.2233.8.camel@mulgrave.site> (raw)
In-Reply-To: <20101115144029.5c322b78@lxorguk.ukuu.org.uk>
On Mon, 2010-11-15 at 14:40 +0000, Alan Cox wrote:
> > Realistically, tag starvation isn't really a problem. It was a known
> > issue for 80s era hardware. I've got some of the oldest drives on the
> > planet and I didn't see a problem when the clock algorithm was removed
> > from 53c700.
>
> I'm not entirely sure that is the case at least for some early NCQ
> capable ATA drives 8(
OK, since ATA seems to be reinventing all sorts of bad 80s SCSI
behaviour, I'll concede this point.
James
next prev parent reply other threads:[~2010-11-15 14:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-06 6:02 SCSI TMF processing; tag allocation Luben Tuikov
2010-11-13 12:37 ` Matthew Wilcox
2010-11-15 9:28 ` Jens Axboe
2010-11-15 14:33 ` James Bottomley
2010-11-15 14:40 ` Alan Cox
2010-11-15 14:53 ` James Bottomley [this message]
2010-11-15 14:46 ` Matthew Wilcox
2010-11-15 14:52 ` James Bottomley
2010-11-16 20:28 ` Vladislav Bolkhovitin
2010-11-15 18:53 ` Douglas Gilbert
2010-11-15 19:09 ` Matthew Wilcox
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