btrfs-progs: fsck-tests: Add test image to check if btrfs check reports uninitialized rescan as error

Signed-off-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

tests/fsck-tests/035-rescan-not-kicked-in/test.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+# Under certain power loss case, btrfs quota tree can be initialized but
+# rescan not kicked in. Can be also reproduced by fstests/btrfs/166 but with
+# low probability.
+#
+# This test case verifies a special case when 'btrfs check' does not report
+# qgroup accounting differece as an error, thus no false alert for btrfs/166.
+
+source "$TEST_TOP/common"
+
+check_prereq btrfs
+
+check_image() {
+	run_check "$TOP/btrfs" check "$1"
+}
+
+check_all_images