Adding upstream version 4.2.

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

clustermd_tests/03r1_switch-resync

@@ -0,0 +1,18 @@
+#!/bin/bash
+
+mdadm -CR $md0 -l1 -b clustered -n2 $dev0 $dev1
+ssh $NODE2 mdadm -A $md0 $dev0 $dev1
+check $NODE1 resync
+check $NODE2 PENDING
+stop_md $NODE1 $md0
+check $NODE2 resync
+check $NODE2 wait
+mdadm -A $md0 $dev0 $dev1
+check all raid1
+check all bitmap
+check all nosync
+check all state UU
+check all dmesg
+stop_md all $md0
+
+exit 0