From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Andrew Morton <akpm@digeo.com>
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
Andre Hedrick <andre@linux-ide.org>,
axboe@suse.de,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] 2.5.67-ac2 direct-IO for IDE taskfile ioctl (0/4)
Date: 23 Apr 2003 23:09:47 +0100 [thread overview]
Message-ID: <1051135786.2064.98.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <20030423153500.0d99b4d3.akpm@digeo.com>
On Mer, 2003-04-23 at 23:35, Andrew Morton wrote:
> Dumb question: what does all this code actually do?
>
> It appears to be implementing an IDE-specific ioctl() which performs bulk
> IO direct to/from userspace. But that seems to be equivalent to O_DIRECT
> access to /dev/hda.
>
> What is special about the IDE ioctl approach?
Think /dev/sg at the ATA level
next prev parent reply other threads:[~2003-04-23 22:56 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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1051135786.2064.98.camel@dhcp22.swansea.linux.org.uk \
--to=alan@lxorguk.ukuu.org.uk \
--cc=B.Zolnierkiewicz@elka.pw.edu.pl \
--cc=akpm@digeo.com \
--cc=andre@linux-ide.org \
--cc=axboe@suse.de \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).