NAME
journal_update_format - Update on-disk journal structure.
SYNOPSIS
int journal_update_format (journal_t * journal);
ARGUMENTS
journal
Journal to act on.
DESCRIPTION
Given an initialised but unloaded journal struct, poke about in the
on-disk structure to update it to the most recent supported version.
AUTHORS
Roger Gammans <rgammans@computer-surgery.co.uk>, Stephen Tweedie
<sct@redhat.com>.