Re: Finding sysfs mount point

[Greg KH <greg@kroah.com>]

On Thu, Apr 28, 2005 at 05:08:02PM -0500, Ian Pilcher wrote:
> I'm trying to write a script (invoked via a PROGRAM key) to find the
> interface number of a USB serial port.  (See my post in the "udev: rules
> using multiple sysfs directories" thread for the reason why.)
> 
> To do this I need to look as sysfs.  What's the best way to figure out
> where it's mounted?

cat /proc/mounts | grep sysfs | cut -f 2 -d " "

works for me.  I think there's a glibc function to retrieve this too.

> Also, is it safe to rely on the contents of DEVPATH to find a symbolic
> link to the device?

Yes, that's what it is there for :)

thanks,

greg k-h


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