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Date: Wed, 24 Jul 2002 15:33:19 -0400
From: Kareem Dana <kareemy@earthlink.net>
To: Andrew Rodland <arodland@noln.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: loop.o device busy after umount
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On Wed, 24 Jul 2002 15:19:04 -0400
Andrew Rodland <arodland@noln.com> wrote:

> On Wed, 24 Jul 2002 14:59:19 -0400
> Kareem Dana <kareemy@earthlink.net> wrote:
> 
> > Hello,
> > 
> > I've noticed in kernel 2.4.18 that my loop module remains busy after I
> > umount the device using it. For example
> > 
> > mount -t iso9660 -o loop file.iso /mnt
> > * loop module gets loaded
> > * lsmod shows "loop                    7952   1 (autoclean)"
> > * ps ax shows [loop0] process
> > 
> > then
> > umount /mnt
> > lsmod shows the same thing - specifically the use of loop as 1 and the
> > [loop0] process remains open. Trying to rmmod loop gives me a device
> > or resource busy error.
> 
> For some reason or other, umount didn't losetup -d the device.
> 
> Try losetup -d /dev/loop0, and see whether it does what you want, or
> returns some sort of error.
> 
> --hobbs
umount: mount-2.11r

losetup worked like a charm. Thanks. Any reason umount would not do that automatically though?
umount -V returns umount: mount-2.11r

- Kareem
-
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