Provided by:
linux-doc-2.6.15_2.6.15-23.39_all 
NAME
journal_set_features - Mark a given journal feature in the superblock
SYNOPSIS
int journal_set_features (journal_t * journal, unsigned long compat,
unsigned long ro, unsigned long incompat);
ARGUMENTS
journal
Journal to act on.
compat bitmask of compatible features
ro bitmask of features that force read-only mount
incompat
bitmask of incompatible features
DESCRIPTION
Mark a given journal feature as present on the superblock. Returns true
if the requested features could be set.
AUTHORS
Roger Gammans <rgammans@computer-surgery.co.uk>, Stephen Tweedie
<sct@redhat.com>.