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.TH "JOURNAL_LOCK_UPDATES" "9" "17 July 2003" "" ""

.SH NAME
journal_lock_updates \- establish a transaction barrier.
.SH 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.
.SH "ABOUT THIS DOCUMENT"
.PP
This documentation is free software; you can redistribute
it and/or modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later
version.
.PP
This program is distributed in the hope that it will be
useful, but WITHOUT ANY WARRANTY; without even the implied
warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU General Public License for more details.
.PP
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307 USA
.PP
For more details see the file COPYING in the source
distribution of Linux.
.PP
If you have comments on the formatting of this manpage, then please contact
Michael Still (mikal@stillhq.com).
.PP
This documentation was generated with kernel version 2.5.72.