Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757410Ab0KOOlv (ORCPT ); Mon, 15 Nov 2010 09:41:51 -0500 Received: from earthlight.etchedpixels.co.uk ([81.2.110.250]:45594 "EHLO www.etchedpixels.co.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756008Ab0KOOlu (ORCPT ); Mon, 15 Nov 2010 09:41:50 -0500 Date: Mon, 15 Nov 2010 14:40:29 +0000 From: Alan Cox To: James Bottomley Cc: Jens Axboe , Matthew Wilcox , Luben Tuikov , Greg KH , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "tj@kernel.org" Subject: Re: SCSI TMF processing; tag allocation Message-ID: <20101115144029.5c322b78@lxorguk.ukuu.org.uk> In-Reply-To: <1289831595.2233.5.camel@mulgrave.site> References: <380694.87733.qm@web31812.mail.mud.yahoo.com> <20101113123750.GF18258@parisc-linux.org> <4CE0FD24.4030000@fusionio.com> <1289831595.2233.5.camel@mulgrave.site> X-Mailer: Claws Mail 3.7.6 (GTK+ 2.18.9; x86_64-redhat-linux-gnu) Face: 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 Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 568 Lines: 12 > 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( -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/