The Linux Journalling API
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journal_lock_updates

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.

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