| grep "subvol=" \
| grep " $VOLUME_PATH " \
| sed -r 's|.*subvol=([[:alnum:]]*).*|\1|'`
+if [ -z "$VOLUME_NAME" -a "$VOLUME_PATH" = "/" ]; then
+ VOLUME_NAME=`btrfs subvolume get-default / | cut -d' ' -f9`
+fi
if [ -z "$VOLUME_NAME" ]; then
echo "$NAME: Failed to detect btrfs subvolume name for \"$VOLUME_PATH\"!"
exit 1