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.TH "JOURNAL_CHECK_USED_FEATURES" "9" "09 October 2005" "" ""

.SH NAME
journal_check_used_features \- Check if features specified are used.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int journal_check_used_features  (journal_t * \fIjournal\fB, unsigned long \fIcompat\fB, unsigned long \fIro\fB, unsigned long \fIincompat\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIjournal\fB\fR
Journal to check.
.TP
\fB\fIcompat\fB\fR
bitmask of compatible features
.TP
\fB\fIro\fB\fR
bitmask of features that force read-only mount
.TP
\fB\fIincompat\fB\fR
bitmask of incompatible features
.SH "DESCRIPTION"
.PP
Check whether the journal uses all of a given set of
features.  Return true (non-zero) if it does.