tdb_brlock_len(tdb, GLOBAL_LOCK, F_UNLCK, F_SETLKW, 0, 1);
+ /* on some systems (like Linux 2.6.x) changes via mmap/msync
+ don't change the mtime of the file, this means the file may
+ not be backed up (as tdb rounding to block sizes means that
+ file size changes are quite rare too). The following forces
+ mtime changes when a transaction completes */
+#ifdef HAVE_UTIME
+ utime(tdb->name, NULL);
+#endif
+
/* use a transaction cancel to free memory and remove the
transaction locks */
tdb_transaction_cancel(tdb);