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.TH "JOURNAL_LOCK_UPDATES" "" "06 October 2005" "" ""

.SH NAME
journal_lock_updates \- establish a transaction barrier.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
void journal_lock_updates  (journal_t * \fIjournal\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIjournal\fB\fR
Journal to establish a barrier on.
.SH "DESCRIPTION"
.PP
This locks out any further updates from being started, and blocks
until all existing updates have completed, returning only once the
journal is in a quiescent state with no updates running.
.PP
The journal lock should not be held on entry.