Subject: Re: NULL mounts not quite buff in -current?
To: Brian C. Grayson <>
From: Simon Burge <>
List: current-users
Date: 01/13/1999 11:46:23
On Tue, 12 Jan 1999 18:22:08 -0600  "Brian C. Grayson" wrote:

> On Sun, Jan 10, 1999 at 11:36:28PM -0800, Matthew Jacob wrote:
> > 
> > Although the details in 4907 are somewhat vague, I'd have guessed it
> > was different.
>   See also PR 5476 and 5239.

Thank you!  I was looking for those PR's but a search on "nullfs" didn't
find them.

In my PR 5476, I reported that there were no problems with NetBSD
1.3.1/i386.  Well, just last night I started to upgrade that box to
1.3.3, and started with:

	rm -rf /usr/src/*

and got the "already locked" message.  So it seems like a really old
problem - I originally thought it had only been since 1.3.1.  Oh well...
(I'll mail of something to to update that

>   Yes, nullfs really is cool, and it's a shame it doesn't work, but
> unfortunately all the people so far who are experiencing it do
> not have the skills to debug and fix it!  Is there anyone out
> there that is an FS locking guru, and has a bit of free time?  :)

I had one look at that section of code - it is a bit daunting,
isn't it?  :=)