test: lvmetad-pvscan-filter

update for pvscan changes

test/shell/lvmetad-pvscan-filter.sh

@@ -22,17 +22,35 @@ min=$(($(stat -L --printf=0x%T "$dev2")))
 
 # Filter out device, pvscan should trigger
 # clearing of the device from lvmetad cache.
-aux hide_dev "$dev2"
-pvscan --cache "$dev2" 2>&1 | grep "not found"
+
+# We can't use aux hide_dev here because that
+# changes the global_filter which triggers a
+# token mismatch rescan by subsequent pvscan
+# commands instead of the single-dev scans
+# that are testing here.
+
+mv "$dev2" "$dev2-HIDDEN"
+
+pvscan --cache "$dev2" 2>&1 | tee out || true
+grep "not found" out
+
 # pvscan with --major/--minor does not fail: lvmetad needs to
 # be notified about device removal on REMOVE uevent, hence
 # this should not fail so udev does not grab a "failed" state
 # incorrectly. We notify device addition and removal with
 # exactly the same command "pvscan --cache" - in case of removal,
 # this is detected by nonexistence of the device itself.
-pvscan --cache --major $maj --minor $min 2>&1 | grep "not found"
-aux unhide_dev "$dev2"
 
-pvscan --cache "$dev2" 2>&1 | not grep "not found"
-pvscan --cache --major $maj --minor $min 2>&1 | not grep "not found"
+pvscan --cache --major $maj --minor $min 2>&1 | tee out || true
+grep "not found" out
+
+# aux unhide_dev "$dev2"
+mv "$dev2-HIDDEN" "$dev2"
+
+pvscan --cache "$dev2" 2>&1 | tee out || true
+not grep "not found" out
+
+pvscan --cache --major $maj --minor $min 2>&1 | tee out || true
+not grep "not found" out
+
 pvs | grep "$dev2"