# mount |grep mmc
 /dev/mmcblk0p3 on / type btrfs (rw,noatime,compress=lzo,ssd,space_cache,subvolid=257,subvol=/@)
 /dev/mmcblk0p2 on /boot type ext3 (rw,relatime,data=ordered)
 /dev/mmcblk0p1 on /boot/efi type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)