also sprach Vincent Fourmond <fourm...@debian.org> [2009.09.08.2300 +0200]:
> > + pumount 
> > /dev/disk/by-id/usb-WD_10EACS_External_57442D574341553438393238333532-0:0
> > umount: /dev/mapper/_dev_sdc: not mounted
> > Error: umount failed
> 
>   I'm unsure how this situation can arise: in principle, you mount a
> device using pmount and unmount it using pumount. As a consequence, it
> shouldn't get unmounted before the call to pumount, shouldn't it ? Or
> did I miss something ?

I think in this case I used umount to be able to run fsck. You are
right that in principle the problem should not arise. However,
I don't see the benefit of running luks_release only after
a successful umount. If you run it unconditionally, then pumount can
tear down the setup no matter how broken it is. That's necessary to
free the dm handle and useful before you run pmount on the same
device.

-- 
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