xfs: test mount time summary counter check and fix

Tests to ensure that the xfs mount code can detect obviously bad fs
summary counters at mount time and fix them.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Eryu Guan <guaneryu@gmail.com>
Signed-off-by: Eryu Guan <guaneryu@gmail.com>
7 files changed