Mark a given journal feature in the superblock
int journal_set_features(journal_t * journal, unsigned long compat, unsigned long ro, unsigned long incompat);
journal
Journal to act on.
compat
bitmask of compatible features
ro
bitmask of features that force read-only mount
incompat
bitmask of incompatible features
Mark a given journal feature as present on the superblock. Returns true if the requested features could be set.