only install one dmraid scan job once in the initqueue

modules.d/90dmraid/61-dmraid.rules

@@ -7,6 +7,6 @@ ACTION!="add|change", GOTO="dm_end"
 
 ENV{ID_FS_TYPE}=="linux_raid_member", GOTO="dm_end"
 
-ENV{ID_FS_TYPE}=="*_raid_member", RUN+="/sbin/initqueue /sbin/dmraid_scan \$0"
+ENV{ID_FS_TYPE}=="*_raid_member", RUN+="/bin/ln -s /sbin/dmraid_scan /initqueue/dmraid_scan"
 
 LABEL="dm_end"

modules.d/90dmraid/dmraid.sh

@@ -1,8 +1,8 @@
 #!/bin/sh
 
 if udevadm settle --timeout=1 >/dev/null 2>&1; then
+    [ -h "$job" ] && rm -f "$job"
     # run dmraid if udev has settled
     dmraid -ay -Z
-    [ -e "$job" ] && rm -f "$job"
 fi
 

modules.d/90dmraid/install

@@ -1,5 +1,5 @@
 #!/bin/bash
-dracut_install dmraid 
+dracut_install dmraid ln
 inst "$moddir/dmraid.sh" /sbin/dmraid_scan
 inst_rules 64-md-raid.rules
 inst_rules "$moddir/61-dmraid.rules"