Adding upstream version 4.2+20230313.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/00raid5-zero

@@ -0,0 +1,12 @@
+
+if mdadm -CfR $md0 -l 5 -n3 $dev0 $dev1 $dev2 --write-zeroes ; then
+  check nosync
+  echo check > /sys/block/md0/md/sync_action;
+  check wait
+elif grep "zeroing [^ ]* failed: Operation not supported" \
+     $targetdir/stderr; then
+  echo "write-zeros not supported, skipping"
+else
+  echo >&2 "ERROR: mdadm return failure without not supported message"
+  exit 1
+fi