-o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
${UNIONTYPE} "${rootmnt}${dir}" || \
panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
done
else
-o rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro \
${UNIONTYPE} "${rootmnt}${dir}" || \
panic "mount ${UNIONTYPE} on ${rootmnt}${dir} failed with option \
rw,noatime,dirs=/cow${dir}=rw:${exposedrootfs}${dir}=ro"
done
else