From: Jens Axboe <axboe@suse.de>
To: Chris Wedgwood <cw@f00f.org>
Cc: Ross Biro <ross.biro@gmail.com>,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>,
Jeff Garzik <jgarzik@pobox.com>,
LKML <linux-kernel@vger.kernel.org>,
Andre Hedrick <andre@pyxtechnologies.com>
Subject: Re: [PATCH 2/3] WIN_* -> ATA_CMD_* conversion: update WIN_* users to use ATA_CMD_*
Date: Mon, 8 Nov 2004 09:55:48 +0100 [thread overview]
Message-ID: <20041108085545.GI29120@suse.de> (raw)
In-Reply-To: <20041106035522.GA13091@taniwha.stupidest.org>
On Fri, Nov 05 2004, Chris Wedgwood wrote:
> > In particular, most Maxtor and Western Digital Drives will not
> > recover from errors with this command sequence. The preferred error
> > recovery is to do a reset followed by a set features, because that
> > is what Windows does (as told to me by a drive vendor).
>
> I assume for Windows they do that for all drives? Even older ones?
>
> I also wonder what happens with TCQ when you get an error? Do you
> just retry everything outstanding?
Any error typically causes an invalidation of the queue, so yes you just
start from scratch. Since PATA doesn't support TCQ anymore, it's not a
worry though :)
--
Jens Axboe
next prev parent reply other threads:[~2004-11-08 8:57 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-11-03 9:11 [PATCH] IDE remove some cruft from ide.h Chris Wedgwood
2004-11-05 2:43 ` Jeff Garzik
2004-11-05 13:16 ` Bartlomiej Zolnierkiewicz
2004-11-06 3:22 ` [PATCH 0/3] WIN_* -> ATA_CMD_* conversion: comments Chris Wedgwood
2004-11-06 3:23 ` [PATCH 1/3] WIN_* -> ATA_CMD_* conversion: add new entries to ata.h Chris Wedgwood
2004-11-06 16:48 ` Jeff Garzik
2004-11-06 17:05 ` Jeff Garzik
2004-11-07 6:04 ` [PATCH 0/3] WIN_* -> ATA_CMD_* conversion (take #2): comments Chris Wedgwood
2004-11-07 6:04 ` [PATCH 1/3] WIN_* -> ATA_CMD_* conversion (take #2): add new entries to ata.h Chris Wedgwood
2004-11-08 2:30 ` Jeff Garzik
2004-11-07 6:04 ` [PATCH 2/3] WIN_* -> ATA_CMD_* conversion (take #2): convert users of WIN_* to ATA_CMD_* Chris Wedgwood
2004-11-07 6:04 ` [PATCH 3/3] WIN_* -> ATA_CMD_* conversion (take #2): cleanup hdreg.h Chris Wedgwood
2004-11-06 3:23 ` [PATCH 2/3] WIN_* -> ATA_CMD_* conversion: update WIN_* users to use ATA_CMD_* Chris Wedgwood
2004-11-06 3:45 ` Ross Biro
2004-11-06 3:55 ` Chris Wedgwood
2004-11-06 14:53 ` Ross Biro
2004-11-08 8:55 ` Jens Axboe [this message]
2004-11-06 3:23 ` [PATCH 3/3] WIN_* -> ATA_CMD_* conversion: cleanup hdreg.h Chris Wedgwood
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