From: viro@parcelfarce.linux.theplanet.co.uk
To: Christoph Hellwig <hch@infradead.org>,
Linus Torvalds <torvalds@transmeta.com>,
Roman Zippel <zippel@linux-m68k.org>,
"David S. Miller" <davem@redhat.com>,
Andries.Brouwer@cwi.nl, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] new system call mknod64
Date: Mon, 21 Apr 2003 19:21:58 +0100 [thread overview]
Message-ID: <20030421182158.GM10374@parcelfarce.linux.theplanet.co.uk> (raw)
In-Reply-To: <20030421191013.A9655@infradead.org>
On Mon, Apr 21, 2003 at 07:10:13PM +0100, Christoph Hellwig wrote:
> On Mon, Apr 21, 2003 at 11:01:21AM -0700, Linus Torvalds wrote:
> > Oh, the split has huge meaning inside the kernel. We split the number
> > every time we open the device, and use that split to look up the result.
>
> Not anymore for blockdevices. And now that Al's back not anymore soon
> for charater devices, too :)
Oh, we certainly _do_ split - simply because there are ranges that
belong to same driver (or driver and object).
However, the split boundary is not uniform - it depends on
driver/object/whatnot. IMO it's a moot point by now, anyway - most
of the kernel couldn't care less about device numbers.
next prev parent reply other threads:[~2003-04-21 18:09 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-20 21:26 Andries.Brouwer
2003-04-20 21:43 ` David S. Miller
2003-04-20 21:56 ` Linus Torvalds
2003-04-21 11:59 ` Roman Zippel
2003-04-21 18:01 ` Linus Torvalds
2003-04-21 18:10 ` Christoph Hellwig
2003-04-21 18:21 ` viro [this message]
2003-04-21 18:22 ` Linus Torvalds
2003-04-21 18:27 ` viro
2003-04-21 18:35 ` Linus Torvalds
2003-04-21 18:54 ` viro
2003-04-21 19:16 ` Jörn Engel
2003-04-21 18:35 ` Christoph Hellwig
2003-04-21 18:42 ` H. Peter Anvin
2003-04-21 18:44 ` Linus Torvalds
2003-04-21 18:47 ` Christoph Hellwig
2003-04-21 18:58 ` viro
2003-04-21 19:05 ` Linus Torvalds
2003-04-21 19:35 ` viro
2003-04-21 20:02 ` Linus Torvalds
2003-04-21 19:04 ` Linus Torvalds
2003-04-21 19:59 ` H. Peter Anvin
2003-04-21 18:51 ` H. Peter Anvin
2003-04-21 23:49 ` Roman Zippel
[not found] <20030421215009$2052@gated-at.bofh.it>
[not found] ` <20030421231010$7ee3@gated-at.bofh.it>
[not found] ` <20030422000016$17e3@gated-at.bofh.it>
[not found] ` <20030422083014$0fe2@gated-at.bofh.it>
2003-04-22 20:02 ` Arnd Bergmann
-- strict thread matches above, loose matches on Subject: below --
2003-04-22 1:02 Andries.Brouwer
2003-04-22 1:32 ` H. Peter Anvin
2003-04-22 2:01 ` Jamie Lokier
2003-04-22 2:52 ` H. Peter Anvin
2003-04-22 6:00 ` jw schultz
2003-04-22 17:17 ` H. Peter Anvin
2003-04-21 21:48 Andries.Brouwer
2003-04-21 22:07 ` Linus Torvalds
2003-04-21 21:43 Andries.Brouwer
2003-04-21 23:02 ` H. Peter Anvin
2003-04-21 23:50 ` Jamie Lokier
2003-04-22 8:24 ` Shachar Shemesh
2003-04-20 22:12 Andries.Brouwer
2003-04-21 6:31 ` H. Peter Anvin
2003-04-20 20:34 Andries.Brouwer
2003-04-20 21:12 ` David S. Miller
2003-04-20 18:39 Andries.Brouwer
2003-04-20 18:52 ` Christoph Hellwig
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