fstab <<EOF
$first_root_crypt /a btrfs noatime,subvol=a 0 0
EOF
-case $HOSTNAME in
- treetowl|x2|frodo)
- fstab <<EOF
+
+shopt -s nullglob
+
+f=(/mnt/root/btrbk/q.*)
+if [[ -e $f ]]; then
+ fstab <<EOF
$first_root_crypt /q btrfs noatime,subvol=q 0 0
-$first_root_crypt /o btrfs noatime,subvol=o 0 0
/q/p /p none bind 0 0
+EOF
+fi
+
+f=(/mnt/root/btrbk/o.*)
+if [[ -e $f ]]; then
+ fstab <<EOF
+$first_root_crypt /o btrfs noatime,subvol=o 0 0
/o/m /m none bind 0 0
EOF
- ;;
-esac
+fi
+
if [[ $HOSTNAME == frodo ]]; then
fstab <<EOF
$first_root_crypt /i btrfs noatime,subvol=i 0 0