replay-log: add validations for corrupt log entries

Check for all zeros entry and for non zero padded entry
and report log offset of corrupted log entry.

Also report log offsets with -v and -vv debug prints.

Signed-off-by: Amir Goldstein <amir73il@gmail.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
3 files changed