[dm-devel] kpartx -l side effects

[Mikulas Patocka]

On Fri, 13 Jan 2012, Pádraig Brady wrote:

> On 01/12/2012 09:08 PM, Mikulas Patocka wrote:
> > 
> > 
> > On Thu, 12 Jan 2012, Pádraig Brady wrote:
> > 
> >> I was playing around with kpartx on 2.6.40.4-5.fc15.x86_64 and did:
> >> kpartx -l /bin/ls
> >> Now I get "text file busy" when trying to run ls.
> >> How does one undo that?
> >>
> >> cheers,
> >> Pádraig.
> > 
> > Run losetup -a, you find that one of loopback devices is assigned to 
> > /bin/ls (for example /dev/loop0). Then, run losetup -d /dev/loop0 to 
> > remove that block device. Then, you can use /bin/ls again.
> 
> Cool that works.
> It's still a bug though right?
> I.E. `kpartx -l` has side effects (only when it can't map partitions).
> 
> cheers,
> Pádraig.

It may be a bug. You can report it to kpartx developers.

Mikulas