case "$_dev" in
LABEL=*)
_dev="$(echo $_dev | sed 's,/,\\x2f,g')"
_dev="/dev/disk/by-label/${_dev#LABEL=}"
_dev=${_dev#LABEL=}
_dev=${_dev#[\'\"]}
_dev=${_dev%[\'\"]}
_dev="/dev/disk/by-label/${_dev}"
;;
UUID=*)
_dev="${_dev#block:}"
_dev=${_dev#UUID=}
_dev="/dev/disk/by-uuid/${_dev#UUID=}"
_dev="/dev/disk/by-uuid/${_dev}"
esac
if strstr "$_opts" "subvol=" && \