libext2fs: during punch, fix parent extents after modifying extent

When modifying/removing an extent during punch, don't forget to update
the extent's parents.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Zheng Liu <wenqing.lz@taobao.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
1 file changed