diff options
Diffstat (limited to 'src/backend/access/transam/xlog.c')
| -rw-r--r-- | src/backend/access/transam/xlog.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/backend/access/transam/xlog.c b/src/backend/access/transam/xlog.c index 626143ff19b..353fb02c943 100644 --- a/src/backend/access/transam/xlog.c +++ b/src/backend/access/transam/xlog.c @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.277 2007/08/04 01:26:53 tgl Exp $ + * $PostgreSQL: pgsql/src/backend/access/transam/xlog.c,v 1.278 2007/08/13 19:08:26 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -1858,6 +1858,10 @@ XLogBackgroundFlush(void) /* * Flush any previous asynchronously-committed transactions' commit records. + * + * NOTE: it is unwise to assume that this provides any strong guarantees. + * In particular, because of the inexact LSN bookkeeping used by clog.c, + * we cannot assume that hint bits will be settable for these transactions. */ void XLogAsyncCommitFlush(void) |