From: Pavel Machek <pavel@ucw.cz>
To: Roman Zippel <zippel@linux-m68k.org>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org
Subject: Re: 64-bit kdev_t - just for playing
Date: Fri, 11 Apr 2003 11:58:52 +0200 [thread overview]
Message-ID: <20030411095852.GA5064@zaurus.ucw.cz> (raw)
In-Reply-To: <Pine.LNX.4.44.0304071742490.12110-100000@serv>
Hi!
> so it's easy to map to a fixed number. SCSI already has to use dynamic
> numbers, because it wouldn't otherwise fit into a 16bit dev_t and with SAN
> even 64bit will not be enough. This makes SCSI very annoying, when at the
> next boot everything has a new name, because a disk was added/removed.
Ugh? 64bits not enough? I don't think so.
You could do 20/44 bits split for example...
Or allocate 60000 majors just for disks.
But I do not think you have 2^32 disks
in any SAN.
--
Pavel
Written on sharp zaurus, because my Velo1 broke. If you have Velo you don't need...
next prev parent reply other threads:[~2003-04-10 22:09 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-31 23:41 64-bit kdev_t - just for playing Badari Pulavarty
2003-03-31 23:54 ` William Lee Irwin III
2003-03-31 23:55 ` Joel Becker
2003-04-02 12:18 ` Roman Zippel
2003-04-02 17:31 ` Badari Pulavarty
2003-04-02 22:03 ` H. Peter Anvin
2003-04-03 10:09 ` David Lang
2003-04-03 11:14 ` Lars Marowsky-Bree
2003-04-03 12:13 ` Roman Zippel
2003-04-03 13:37 ` Andries Brouwer
2003-04-03 14:01 ` Roman Zippel
2003-04-07 15:02 ` H. Peter Anvin
2003-04-07 20:10 ` Roman Zippel
2003-04-07 21:57 ` Roman Zippel
2003-04-07 22:43 ` Kevin P. Fleming
2003-04-08 15:22 ` Roman Zippel
2003-04-08 22:53 ` Werner Almesberger
2003-04-08 23:11 ` David Lang
2003-04-08 23:47 ` Werner Almesberger
2003-04-08 23:58 ` Kevin P. Fleming
2003-04-08 23:56 ` H. Peter Anvin
2003-04-08 23:06 ` Andrew Morton
2003-04-09 0:40 ` Roman Zippel
2003-04-09 1:02 ` Joel Becker
2003-04-09 1:25 ` Roman Zippel
2003-04-09 16:42 ` Roman Zippel
2003-04-09 0:21 ` Roman Zippel
2003-04-11 9:58 ` Pavel Machek [this message]
2003-04-08 15:29 ` Roman Zippel
-- strict thread matches above, loose matches on Subject: below --
2003-04-09 18:40 James Bottomley
2003-04-09 20:54 ` Roman Zippel
2003-04-10 2:19 ` James Bottomley
2003-04-10 12:47 ` Roman Zippel
2003-04-10 15:30 ` James Bottomley
2003-04-10 23:53 ` Roman Zippel
2003-04-11 0:01 ` David Lang
2003-04-11 0:17 ` Roman Zippel
2003-04-11 0:47 ` Joel Becker
2003-04-11 1:11 ` Roman Zippel
2003-04-09 18:36 Andries.Brouwer
2003-04-09 21:11 ` Roman Zippel
2003-04-01 18:32 Andries.Brouwer
2003-03-28 15:33 Andries.Brouwer
2003-03-28 15:49 ` Roman Zippel
2003-03-28 11:46 Andries.Brouwer
2003-03-28 11:57 ` Roman Zippel
2003-03-28 11:10 Andries.Brouwer
2003-03-28 11:36 ` Roman Zippel
2003-03-30 20:05 ` H. Peter Anvin
2003-03-30 20:13 ` Roman Zippel
2003-03-27 22:37 Andries.Brouwer
2003-03-27 22:55 ` Roman Zippel
2003-03-27 20:27 Andries.Brouwer
2003-03-27 22:12 ` Roman Zippel
2003-03-27 22:55 ` Alan Cox
2003-03-27 23:19 ` Roman Zippel
2003-03-27 23:48 ` Greg KH
2003-03-28 9:47 ` Roman Zippel
2003-03-28 18:05 ` Joel Becker
2003-03-28 18:48 ` Roman Zippel
2003-03-31 8:31 ` bert hubert
2003-03-31 8:52 ` Roman Zippel
2003-03-31 17:24 ` Joel Becker
2003-03-31 21:32 ` Roman Zippel
2003-03-31 22:18 ` Alan Cox
2003-03-31 23:42 ` Roman Zippel
2003-04-01 14:42 ` Alan Cox
2003-04-01 16:35 ` Greg KH
2003-04-02 13:02 ` Roman Zippel
2003-04-01 14:42 ` Alan Cox
2003-04-01 16:52 ` Christoph Hellwig
2003-04-01 21:59 ` H. Peter Anvin
2003-04-02 7:12 ` Christoph Hellwig
2003-04-02 7:22 ` H. Peter Anvin
2003-03-31 23:45 ` Joel Becker
2003-03-31 23:07 ` Joel Becker
2003-03-31 23:35 ` Roman Zippel
2003-03-27 1:09 Andries.Brouwer
2003-03-27 19:23 ` Roman Zippel
2003-03-30 20:10 ` H. Peter Anvin
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