On 03/12/2007 To René Pavlík wrote:
> > but this doesn't work - because of the false condition, especially [
> > "$loopmajor" = "$major" ].
>
> You're correct, and i don't understand why this code has been
> implemented in the first time. checking for matching $loopmajor and
> $major doesn't work at all.
>
> The question is rather how else we could verify that a loopback device
> has been used and needs to be deleted at stop.
>
> I cannot imagine any way to get the loopback device from the source file
> except something like
>
> losetup -a | grep -m1 "($src)$" | sed -e 's/:.*//g'
>
> which is a rather unclean solution.
Ok, I just found out that 'cryptsetup status $dst' gives us the
information we need. the following works but could be implemented
better:
loopdev="/dev/"$(cryptsetup status "$dst" | grep "device" | sed -e
's/.*device.*\///g' | grep "^loop" || true)
if ! rm_lo_setup; then
device_msg "$dst" "detaching loopback failed"
continue
fi
I added it to svn, but i'm happy to replace the loopdev=... line with
some better idea ;-)
greetings,
jonas
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