This is a test to check the behavior of the disk caching code inside
btrfs. It's a regression test for the patch
btrfs: allow single disk devices to mount with older generations
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>