src_unpack() {
unpack ${A}
EPATCH_OPTS="-p1 -d${S}" epatch "${FILESDIR}"/device-mapper-1.02.27-export-format.diff
EPATCH_OPTS="-p1 -d${S}" epatch "${FILESDIR}"/device-mapper-1.02.28-makefile.diff
}
src_compile() {