centos man page for journal_check_used_features

JOURNAL_CHECK_USED_F(9) 				     The Linux Journalling API					   JOURNAL_CHECK_USED_F(9)

NAME
       journal_check_used_features - Check if features specified are used.

SYNOPSIS
       int journal_check_used_features(journal_t * journal, unsigned long compat, unsigned long ro, unsigned long incompat);

ARGUMENTS
       journal
	   Journal to check.

       compat
	   bitmask of compatible features

       ro
	   bitmask of features that force read-only mount

       incompat
	   bitmask of incompatible features

DESCRIPTION
       Check whether the journal uses all of a given set of features. Return true (non-zero) if it does.

AUTHORS
       Roger Gammans <rgammans@computer-surgery.co.uk>
	   Author.

       Stephen Tweedie <sct@redhat.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						   JOURNAL_CHECK_USED_F(9)