Re: [linux-usb] Re: USB device allocation

Bradley M Keryan (keryan@andrew.cmu.edu)
Sat, 9 Oct 1999 22:33:40 -0400 (EDT)


On Sat, 9 Oct 1999, Khimenko Victor wrote:

> In <19991008173618.E4163@sventech.com> Johannes Erdfelt (jerdfelt@sventech.com) wrote:
>
> > There's 2 portions to devfs, the kernel portion and the user space
> > portion. I'm talking about putting all of this into the user space
> > portion, devfsd.
>
> It's not possible: userspace portion can not be awoked when you try to access
> non-existing file.
>

Really? So how do the "venus" daemons of AFS, Arla, Coda, and Intermezzo
handle this? AFAIK, all four filesystems depend on user-space daemons to
fetch files from the fileserver, so I think there must be some way to
notify the daemon that a non-existing file is being accessed.

Brad

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