jbd2_journal_lock_updates(9) establish a transaction barrier.

SYNOPSIS

void jbd2_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 <[email protected]>

Author.

Stephen Tweedie <[email protected]>

Author.

COPYRIGHT