From: Jens Axboe <axboe@suse.de>
To: Zinx Verituse <zinx@epicsol.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: ide-cd problems
Date: Sat, 31 Jul 2004 17:36:10 +0200 [thread overview]
Message-ID: <20040731153609.GG23697@suse.de> (raw)
In-Reply-To: <20040730193651.GA25616@bliss>
On Fri, Jul 30 2004, Zinx Verituse wrote:
> I'm going to bump this topic a bit, since it's been a while..
> There are still some issues with ide-cd's SG_IO, listed from
> most important as percieved by me to least:
>
> * Read-only access grants you the ability to write/blank media in the drive
> * (with above) You can open the device only in read-only mode.
That's by design. Search linux-scsi or this list for why that is so.
> * You can't open the device unless there is media in the drive
False, you use O_NONBLOCK.
> * Still seems to be no way to specify scatter gather/dma buffers yourself,
> though I'm not entirely sure that matters anyway.
That's true, later implementation of block layer SG_IO adds that as
well. It's really a minor thing though, I don't think I've ever seen
anyone use it outside of regression testing scripts.
--
Jens Axboe
next prev parent reply other threads:[~2004-07-31 15:36 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-07-30 19:36 ide-cd problems Zinx Verituse
2004-07-31 15:36 ` Jens Axboe [this message]
2004-07-31 18:27 ` Zinx Verituse
2004-07-31 20:00 ` Jens Axboe
2004-07-31 21:02 ` Zinx Verituse
2004-08-01 4:07 ` Alexander E. Patrakov
2004-08-01 15:57 ` Jens Axboe
2004-08-02 3:20 ` Horst von Brand
2004-08-02 12:25 ` Jens Axboe
2004-08-02 20:44 ` Bill Davidsen
2004-08-02 13:45 ` tabris
2004-08-02 13:56 ` Jens Axboe
2004-08-02 14:26 ` Andreas Metzler
2004-08-02 14:33 ` Jens Axboe
2004-08-02 14:38 ` tabris
2004-08-02 14:50 ` Jens Axboe
2004-08-02 16:30 ` Bill Davidsen
2004-08-03 7:17 ` Jens Axboe
2004-08-02 17:16 ` Zinx Verituse
2004-08-05 5:40 ` Jens Axboe
2004-08-05 21:06 ` Alan Cox
2004-08-06 5:44 ` Jens Axboe
[not found] ` <20040806062331.GE10274@suse.de>
2004-08-06 12:14 ` Alan Cox
2004-08-06 14:32 ` Jens Axboe
2004-08-06 15:14 ` Charles Cazabon
2004-08-06 15:13 ` Jens Axboe
2004-08-07 14:01 ` Alan Cox
2004-08-06 17:26 ` dleonard
2004-08-06 22:47 ` Jens Axboe
2004-08-07 14:04 ` Alan Cox
2004-08-07 21:54 ` Alan Cox
2004-08-07 3:11 ` Jason L Tibbitts III
2004-08-09 8:39 ` Jens Axboe
2004-08-07 14:08 ` Alan Cox
2004-08-09 8:49 ` Jens Axboe
2004-08-02 23:54 ` Alan Cox
2004-08-03 5:53 ` Jens Axboe
2004-08-03 16:17 ` Zinx Verituse
2004-08-04 5:01 ` Jens Axboe
2004-08-05 15:52 ` Alan Cox
2004-08-05 17:46 ` Jens Axboe
2004-08-05 20:58 ` Alan Cox
2004-08-05 18:53 ` Bill Davidsen
2004-08-05 18:46 ` Bill Davidsen
2004-08-05 19:35 ` Jens Axboe
2004-08-05 21:02 ` Alan Cox
2004-08-06 5:42 ` Jens Axboe
2004-08-03 15:28 ` Doug Maxey
2004-08-03 17:28 ` Alan Cox
2004-08-09 20:24 ` Bill Davidsen
2004-08-02 16:41 ` Bill Davidsen
2004-08-03 15:50 ` Horst von Brand
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