Patch for the encrypt hook for supporting disabling of workqueue

encrypt.patch

--- encrypt	2021-03-26 11:18:21.981072579 +1300
+++ encrypt.no-workqueue	2021-03-26 11:18:21.981072579 +1300
@@ -62,6 +62,12 @@
             allow-discards)
                 cryptargs="${cryptargs} --allow-discards"
                 ;;
+            no-read-workqueue)
+                cryptargs="${cryptargs} --perf-no_read_workqueue"
+                ;;
+            no-write-workqueue)
+                cryptargs="${cryptargs} --perf-no_write_workqueue"
+                ;;
             *)
                 echo "Encryption option '${cryptopt}' not known, ignoring." >&2
                 ;;