luks key on ext dev - wait for luks

This really waits for the luks mapper device, so luksOpen can do it job

modules.d/90crypt/parse-crypt.sh

@@ -24,8 +24,22 @@ else
                 printf -- '$env{DEVNAME} luks-$env{ID_FS_UUID} %s"\n' $tout
             } >> /etc/udev/rules.d/70-luks.rules.new
 
-            printf -- '[ -e /dev/disk/by-uuid/*%s* ]\n' $luksid \
-                >> $hookdir/initqueue/finished/90-crypt.sh
+
+            [ -e $hookdir/initqueue/finished/90-crypt.sh ] || \
+            {
+                printf -- 'UUIDS=:\n'
+                printf -- 'for dm in /dev/dm-*; do\n'
+                printf -- '[ -e "$dm" ] || exit 1\n'
+                printf -- 'dmid=`/sbin/dmsetup info -c -o uuid --noheadings "$dm"`\n'
+                printf -- 'uuid=${dmid#CRYPT-LUKS*-}\n'
+                printf -- '[ "x$uuid" = "x$dmid" ] && continue\n'
+                printf -- 'UUIDS="${UUIDS}${uuid%%%%-*}:"\n'
+                printf -- 'done\n'
+            } > $hookdir/initqueue/finished/90-crypt.sh
+            uuid=$luksid
+            while [ "$uuid" != "${uuid#*-}" ]; do uuid=${uuid%%-*}${uuid#*-}; done
+            printf -- '[ "x${UUIDS#*:%s:}" != "x$UUIDS" ] || exit 1\n' $uuid >> $hookdir/initqueue/finished/90-crypt.sh
+
             {
                 printf -- '[ -e /dev/disk/by-uuid/*%s* ] || ' $luksid
                 printf -- 'warn "crypto LUKS UUID "%s" not found"\n' $luksid