diff options
Diffstat (limited to 'fs/ocfs2/journal.c')
| -rw-r--r-- | fs/ocfs2/journal.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/fs/ocfs2/journal.c b/fs/ocfs2/journal.c index 0e1250c2ef4..8d81f6c1b87 100644 --- a/fs/ocfs2/journal.c +++ b/fs/ocfs2/journal.c @@ -174,6 +174,12 @@ int ocfs2_commit_trans(struct ocfs2_super *osb, * transaction. extend_trans will either extend the current handle by * nblocks, or commit it and start a new one with nblocks credits. * + * This might call journal_restart() which will commit dirty buffers + * and then restart the transaction. Before calling + * ocfs2_extend_trans(), any changed blocks should have been + * dirtied. After calling it, all blocks which need to be changed must + * go through another set of journal_access/journal_dirty calls. + * * WARNING: This will not release any semaphores or disk locks taken * during the transaction, so make sure they were taken *before* * start_trans or we'll have ordering deadlocks. |