tdb_brlock_upgrade  185 lib/tdb/common/tdb_private.h int tdb_brlock_upgrade(struct tdb_context *tdb, tdb_off_t offset, size_t len);
tdb_brlock_upgrade  874 lib/tdb/common/transaction.c 	if (tdb_brlock_upgrade(tdb, FREELIST_TOP, 0) == -1) {