From: Guest section DW <dwguest@win.tue.nl>
To: John.L.Byrne@compaq.com, torvalds@transmeta.com
Cc: linux-kernel@vger.kernel.org
Subject: Re: Larger dev_t
Date: Tue, 27 Mar 2001 01:41:45 +0200 [thread overview]
Message-ID: <20010327014145.A7826@win.tue.nl> (raw)
In-Reply-To: <3ABFB20E.DFB37BFA@kahuna.cag.cpqcorp.net>
In-Reply-To: <3ABFB20E.DFB37BFA@kahuna.cag.cpqcorp.net>; from John Byrne on Mon, Mar 26, 2001 at 01:18:06PM -0800
On Mon, Mar 26, 2001 at 01:18:06PM -0800, John Byrne wrote:
> Do you have any interest in doing away with the concept of major and
> minor numbers altogether; turning the dev_t into an opaque unique id?
>
> At the application level, the kinds of information that is derived from
> the major/minor number should probably be derived in some other manner
> such as a library or system call. Code that determines device type by
> comparing with the major/minor numbers should probably be discouraged in
> the long run and this could be a good time to start.
Programs that use explicit major/minor information are probably broken
or at least very nonportable.
On the other hand, unfortunately the Unix API has a few explicit
occurrences of major/minor. For example, one has ls(1) and mknod(1).
next prev parent reply other threads:[~2001-03-26 23:42 UTC|newest]
Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-03-26 21:18 Larger dev_t John Byrne
2001-03-26 22:12 ` Linus Torvalds
2001-03-26 23:41 ` Guest section DW [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-04-03 14:48 Wayne.Brown
2001-04-03 15:34 ` Bart Trojanowski
2001-04-02 21:59 Andries.Brouwer
2001-04-02 20:17 Andries.Brouwer
2001-04-02 21:45 ` Alan Cox
2001-04-03 7:28 ` Martin Dalecki
2001-04-03 10:09 ` Ingo Oeser
2001-04-03 12:06 ` Alan Cox
2001-04-03 12:20 ` Ingo Oeser
2001-04-03 12:15 ` Martin Dalecki
2001-04-03 12:53 ` Alan Cox
2001-04-03 16:05 ` Richard Gooch
2001-04-03 16:34 ` Alexander Viro
2001-04-03 16:58 ` Richard Gooch
2001-04-03 16:54 ` Alan Cox
2001-04-03 17:02 ` Richard Gooch
2001-04-03 12:41 ` Alan Cox
2001-04-03 23:28 ` Tim Wright
2001-03-27 22:38 Jesse Pollard
2001-03-27 22:44 ` H. Peter Anvin
2001-03-27 9:29 Andries.Brouwer
2001-03-27 18:48 ` Linus Torvalds
2001-03-27 19:28 ` H. Peter Anvin
2001-03-27 19:51 ` Linus Torvalds
2001-03-27 21:21 ` Alan Cox
2001-03-27 21:35 ` Linus Torvalds
2001-03-27 22:02 ` Andre Hedrick
2001-03-27 23:57 ` Linus Torvalds
2001-03-28 21:23 ` Martin Dalecki
2001-03-28 21:40 ` H. Peter Anvin
2001-03-28 21:44 ` Andre Hedrick
2001-03-27 22:16 ` Alan Cox
2001-03-27 22:16 ` H. Peter Anvin
2001-03-27 22:43 ` Russell King
2001-03-28 16:59 ` Jeff Randall
2001-03-28 0:07 ` Linus Torvalds
2001-03-28 0:10 ` H. Peter Anvin
2001-03-28 0:24 ` Linus Torvalds
2001-03-28 2:19 ` Alan Cox
2001-03-28 7:08 ` Andre Hedrick
2001-03-28 21:32 ` Martin Dalecki
2001-03-29 3:53 ` Alan Cox
2001-03-29 11:02 ` Martin Dalecki
2001-04-02 20:02 ` Alan Cox
2001-04-03 7:25 ` Martin Dalecki
2001-04-03 12:19 ` Alan Cox
2001-04-03 12:13 ` Martin Dalecki
2001-04-03 12:38 ` Alan Cox
2001-04-04 8:08 ` Rogier Wolff
2001-03-30 6:54 ` Kai Henningsen
2001-03-28 21:18 ` Martin Dalecki
2001-03-27 22:13 ` H. Peter Anvin
2001-03-27 22:55 ` Dan Hollis
2001-03-27 22:58 ` H. Peter Anvin
2001-03-27 23:42 ` Richard Gooch
2001-03-28 1:03 ` Paul Jakma
2001-03-28 1:35 ` Alexander Viro
2001-03-27 23:44 ` Andrew Pimlott
2001-03-28 0:28 ` Albert D. Cahalan
2001-03-28 3:58 ` Johan Kullstam
2001-03-28 4:23 ` Alexander Viro
2001-03-28 11:57 ` Jesse Pollard
2001-03-28 18:13 ` Oliver Neukum
2001-03-28 19:05 ` Jesse Pollard
2001-03-28 19:50 ` Oliver Neukum
2001-03-28 21:36 ` Martin Dalecki
2001-03-28 21:09 ` Martin Dalecki
2001-03-28 21:24 ` H. Peter Anvin
2001-03-28 21:46 ` Alexander Viro
2001-03-28 20:54 ` Martin Dalecki
2001-03-28 11:52 ` Pjotr Kourzanoff
2001-03-28 12:11 ` Tim Jansen
2001-03-27 19:27 ` Albert D. Cahalan
2001-03-25 12:31 Andries.Brouwer
2001-03-25 15:35 ` Wichert Akkerman
2001-03-25 16:15 ` Mitchell Blank Jr
2001-03-25 16:54 ` Michel Wilson
2001-03-25 17:12 ` Jeff Garzik
2001-03-25 17:00 ` Jamie Lokier
2001-03-25 17:07 ` Anton Altaparmakov
2001-03-25 17:37 ` Michel Wilson
2001-03-25 18:21 ` Guest section DW
2001-03-25 20:50 ` diego
2001-03-25 17:55 ` Gerry
2001-03-27 6:03 ` Linus Torvalds
2001-03-24 16:13 Andries.Brouwer
2001-03-24 14:25 Andries.Brouwer
2001-03-24 14:40 ` Jeff Garzik
2001-03-24 15:00 ` Alexander Viro
2001-03-25 14:22 ` Martin Dalecki
2001-03-25 3:24 ` Linus Torvalds
2001-03-25 14:35 ` Martin Dalecki
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