From: Andre Hedrick <andre@linux-ide.org>
To: Andrew Morton <akpm@digeo.com>
Cc: Andries Brouwer <aebr@win.tue.nl>,
B.Zolnierkiewicz@elka.pw.edu.pl, alan@lxorguk.ukuu.org.uk,
axboe@suse.de, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (0/4)
Date: Wed, 23 Apr 2003 19:27:19 -0700 (PDT) [thread overview]
Message-ID: <Pine.LNX.4.10.10304231924430.2033-100000@master.linux-ide.org> (raw)
In-Reply-To: <20030423162041.1b7ee5b3.akpm@digeo.com>
Does Task Management Command set help?
For those who speak FibreChannel, this has meaning.
I can be used as a means to test the depth of the protocol support for a
family of drives. This is what www.linuxdiskcert.org was to be about, and
maybe Jens will be able to make it happen. As I will be transfering the
domain th Jens this summer.
On Wed, 23 Apr 2003, Andrew Morton wrote:
> Andries Brouwer <aebr@win.tue.nl> wrote:
> >
> > On Wed, Apr 23, 2003 at 03:35:00PM -0700, Andrew Morton wrote:
> >
> > > What is special about the IDE ioctl approach?
> >
> > Usually one wants to use the standard commands for I/O.
> > But if the purpose is to talk to the drive (set password,
> > set native max, eject, change ZIP drive from big floppy
> > mode to removable disk mode, etc. etc.) then one needs
> > a means to execute IDE commands "by hand".
>
> Yes, but none of these are performance-critical and they don't involve
> large amnounts of data. A copy is OK.
>
> If all the rework against bio_map_user() and friends is needed for other
> reasons then fine. But it doesn't seem to be needed for the IDE taskfile
> ioctl.
>
Andre Hedrick
LAD Storage Consulting Group
prev parent reply other threads:[~2003-04-24 2:18 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-23 17:37 [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (0/4) Bartlomiej Zolnierkiewicz
2003-04-23 17:38 ` [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (1/4) Bartlomiej Zolnierkiewicz
2003-04-24 8:23 ` Jens Axboe
2003-04-24 14:46 ` Bartlomiej Zolnierkiewicz
2003-04-24 15:47 ` [PATCH] 2.5.68 fix mismatched access_ok() checks in sg_io() Bartlomiej Zolnierkiewicz
2003-04-24 17:31 ` Jens Axboe
2003-04-23 17:39 ` [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (2/4) Bartlomiej Zolnierkiewicz
2003-04-23 17:39 ` [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (3/4) Bartlomiej Zolnierkiewicz
2003-04-23 17:40 ` [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (4/4) Bartlomiej Zolnierkiewicz
2003-04-24 7:56 ` Jens Axboe
2003-04-23 18:24 ` [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (0/4) [resend] Bartlomiej Zolnierkiewicz
2003-04-23 22:35 ` [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (0/4) Andrew Morton
2003-04-23 22:09 ` Alan Cox
2003-04-23 22:58 ` Bartlomiej Zolnierkiewicz
2003-04-23 23:13 ` Andries Brouwer
2003-04-23 23:20 ` Andrew Morton
2003-04-24 0:02 ` Bartlomiej Zolnierkiewicz
2003-04-24 6:55 ` Jens Axboe
2003-04-24 2:27 ` Andre Hedrick [this message]
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