on post-fs-data
    # Modem Remote FS
    mkdir /data/vendor/rfs      0770 vendor_rfs system
    mkdir /data/vendor/rfs/mpss 0770 vendor_rfs system
    mkdir /data/vendor/tombstones/rfs      0770 vendor_rfs system
    write /data/vendor/rfs/mpss/mcfg_nv_list_flag "1"
    chown vendor_rfs vendor_rfs /data/vendor/rfs/mpss/mcfg_nv_list_flag
    chmod 0700 /data/vendor/rfs/mpss/mcfg_nv_list_flag

on property:vendor.sys.modem.diag.efsdump=true
    chmod 0660 /data/vendor/rfs/mpss/modem_efs