Re: Some question about Udev

[Greg KH <greg@kroah.com>]

On Mon, Aug 04, 2003 at 06:25:34PM -0700, Kevin P. Fleming wrote:
> 
> Greg, how you do foresee the udev database (the tdb file(s)) and the 
> /dev nodes it has created persisting across the mounting of the real 
> root filesystem? Even if the root filesystem is mounted elsewhere and 
> then pivoted onto /, that still means that udev's "state" is going to 
> be effectively relocated.

Well, the "state" will still be running in memory, as udev will be
becoming a daemon soon, so that will not be a big problem.  As for the
pivot issue, I'm still trying to work that out...

I'm thinking that udev will just create a ramfs partition for /dev and
then after pivot root happens, just re-mount that partition on top of
the new /dev whereby things just keep working.  Haven't really tried
that yet, as we still need some more kernel tweaks to get there...

Any help in this area would be appreciated.

thanks,

greg k-h


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