debugfs: force logdump to display (old) journal contents

If the user passes the -O option to logdump, try to dump old log
contents.  This can be used to try to track down journal problems even
after the journal has been replayed.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
2 files changed