journal_lock_updates(9) suse man page | unix.com

JOURNAL_LOCK_UPDATES(9) 				     The Linux Journalling API					   JOURNAL_LOCK_UPDATES(9)

NAME
       journal_lock_updates - establish a transaction barrier.

SYNOPSIS
       void journal_lock_updates(journal_t * journal);

ARGUMENTS
       journal
	   Journal to establish a barrier on.

DESCRIPTION
       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.

       The journal lock should not be held on entry.

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

       Stephen Tweedie <sct@redhat.com>
	   Author.

COPYRIGHT
Kernel Hackers Manual 2.6.					     July 2010						   JOURNAL_LOCK_UPDATES(9)