This is a regression test that tried to make sure that repair correctly
clears the XFS inode reflink flag when it detects files that do not
share any blocks. However, it does this checking by looking at the
(online) lsattr output. This worked fine during development when we
exposed the reflink state via the stat ioctls, but that has long since
been removed. Now the only way to check is via xfs_db, so switch it to
use that.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Eryu Guan <guaneryu@gmail.com>