Re: Minor numbers under 2.6

From: Greg KH
Date: Wed Jun 02 2004 - 09:52:28 EST


On Wed, Jun 02, 2004 at 03:19:32PM +0400, Manu Abraham wrote:
> Hi,
> Can somebody clarify a question that i have ?
>
> Say under 2.4 kernel, char device drivers had a minor number of int. In the
> 2.6 kernels, this number was increased to 20 bits from 8 bits. Under 2.6 i
> could use "mknod -c major, minor".
>
> How can i achieve something similar with 2.6 taking into consideration that i
> have to create more than 255 minors ?

The same way:
# mknod foo c 100 10000
# ls -l foo
crw-r--r-- 1 root root 100, 10000 Jun 2 07:48 foo

Just make sure you have a up to date glibc.

Hope this helps,

greg k-h
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