Subject: Re: problems unmounting an apparently non-busy filesystem
To: Greg A. Woods <woods@weird.com>
From: Charles M. Hannum <abuse@spamalicious.com>
List: current-users
Date: 04/09/2001 12:13:16
On Mon, Apr 09, 2001 at 03:07:10PM -0400, Greg A. Woods wrote:
>
> Does anyone know if there are any hidden reasons why a filesystem would
> be marked busy even when nothing is apparently using it?

It may be mmap(2)ed, or there may be some other object left attached to
it.  Neither of these would show up with fstat(2).