1JOURNAL_LOCK_UPDATES(9)    The Linux Journalling API   JOURNAL_LOCK_UPDATES(9)
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NAME

6       journal_lock_updates - establish a transaction barrier.
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SYNOPSIS

9       void journal_lock_updates(journal_t * journal);
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ARGUMENTS

12       journal
13           Journal to establish a barrier on.
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DESCRIPTION

16       This locks out any further updates from being started, and blocks until
17       all existing updates have completed, returning only once the journal is
18       in a quiescent state with no updates running.
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20       The journal lock should not be held on entry.
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AUTHORS

23       Roger Gammans <rgammans@computer-surgery.co.uk>
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26       Stephen Tweedie <sct@redhat.com>
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30Kernel Hackers Manual 2.6.       November 2011         JOURNAL_LOCK_UPDATES(9)
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