JOURNAL_LOCK_UPDATES

Section: The Linux Journalling API (9)
Updated: February 2011
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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>