Name

jbd2_journal_lock_updates — establish a transaction barrier.

Synopsis

void jbd2_journal_lock_updates (journal_t * journal);
 

Arguments

journal_t * 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.