+
+# Make mount point
+mkdir -p ${MOUNTPOINT}
+
+# Mount base filesystem
+mount /dev/mapper/${DATANAME} ${MOUNTPOINT}
+
+# Create home subvolume
+btrfs subvolume create ${MOUNTPOINT}/home
+
+# Create mail subvolume
+btrfs subvolume create ${MOUNTPOINT}/mail
+
+# Create mysql subvolume
+btrfs subvolume create ${MOUNTPOINT}/mysql
+
+# Create slash subvolume
+btrfs subvolume create ${MOUNTPOINT}/slash
+
+# Set slash as default
+btrfs subvolume set-default $(btrfs subvolume list ${MOUNTPOINT} | grep slash | perl -pne 's/^ID\s([0-9]+)\s.*$/\1/') ${MOUNTPOINT}
+
+# Unmount slash filesystem
+umount ${MOUNTPOINT}