[ -z "$dst" -o "${dst#\#}" != "$dst" ] && continue
if [ -b "/dev/mapper/$dst" ]; then
if LC_ALL=C /sbin/dmsetup info "$dst" | grep -q '^Open count: *0$'; then
[ -z "$dst" -o "${dst#\#}" != "$dst" ] && continue
if [ -b "/dev/mapper/$dst" ]; then
if LC_ALL=C /sbin/dmsetup info "$dst" | grep -q '^Open count: *0$'; then