Re: devfs_mk_cdev does not create /dev/_DEVICE_

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3333333On Monday 07 February 2005 05:37 pm, Przemyslaw Urbanski wrote:
> Hey,
>
> I am not sure how to check if devfs is mounted, but I assume it is, as
> for example
>
> modprobe sonypi - creates /dev/sonypi0
> rmmod sonypi - deletes /dev/sonypi
>
> and
>
> df /dev/ /sys/
> Filesystem           1K-blocks      Used Available Use% Mounted on
> -                            0         0         0   -  /sys
> -                       257556       168    257388   1% /dev
>

Use mount to see all mounted filesystems. Although from your commands it seems 
to be mounted. Sorry, I have no more clues...
 

> If devfs_mk_xxx is obsolete, I am happy use udev. Could you just point
> me to name of the function I am looking for?
>

udev is working  entirely in userspace. If you follow the new driver model for 
2.6 (see Documentation/driver-model/*), no special calls are needed. For more 
information about udev check 
http://www.kernel.org/pub/linux/utils/kernel/hotplug/udev.html

tavi

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