Re: devfs vs udev, thoughts from a devfs user

[Greg KH <greg@kroah.com>]

On Tue, Feb 10, 2004 at 03:39:00PM -0500, Bill Rugolsky Jr. wrote:
> On Tue, Feb 10, 2004 at 01:11:36PM -0700, Kevin P. Fleming wrote:
> > devfs is "single-instance": it can be mounted during initrd/initramfs 
> > processing, then remounted after pivot_root without losing its contents
> > 
> > Granted, I'm sure someone can come up with a single-instance ramfs 
> > filesystem that can be used for udev, but today it does not exist.
>  
> mount --move olddir newdir

Doesn't work for what we want here:

	$ mkdir /tmp/a /tmp/b
	$ mount -t ramfs none /tmp/a
	$ touch /tmp/a/foo
	$ mount --move /tmp/a /tmp/b
	$ ls /tmp/b
	foo
	$ umount /tmp/a
	$ ls /tmp/b
	$ 

Hm, not nice :(

thanks,

greg k-h