diff options
| -rw-r--r-- | source4/lib/tdb/common/tdb.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/source4/lib/tdb/common/tdb.c b/source4/lib/tdb/common/tdb.c index 8e8e3ce3b3..d6861efe13 100644 --- a/source4/lib/tdb/common/tdb.c +++ b/source4/lib/tdb/common/tdb.c @@ -1276,14 +1276,22 @@ static int tdb_next_lock(TDB_CONTEXT *tdb, struct tdb_traverse_lock *tlock, semantics don't change. With a non-indexed ldb search this trick gains us a - factor of more than 10 in speed on a linux 2.6.x - system. + factor of around 80 in speed on a linux 2.6.x + system (testing using ldbtest). */ if (!tlock->off && tlock->hash != 0) { u32 off; - if (ofs_read(tdb, TDB_HASH_TOP(tlock->hash), &off) == 0 && - off == 0) { - continue; + if (tdb->map_ptr) { + for (;tlock->hash < tdb->header.hash_size;tlock->hash++) { + if (0 != *(u32 *)(TDB_HASH_TOP(tlock->hash) + (unsigned char *)tdb->map_ptr)) { + break; + } + } + } else { + if (ofs_read(tdb, TDB_HASH_TOP(tlock->hash), &off) == 0 && + off == 0) { + continue; + } } } |