Remove harmful optimisation with MDB_VL32

chambart · Sep 19, 2018 · 52e57a3 · 52e57a3
1 parent 35729e9
commit 52e57a3
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/libraries/liblmdb/mdb.c b/libraries/liblmdb/mdb.c
@@ -6122,11 +6122,7 @@ mdb_rpage_get(MDB_txn *txn, pgno_t pg0, MDB_page **ret)
 		id3.mref = 1;
 		if (id3.mid)
 			goto found;
-		/* don't map past last written page in read-only envs */
-		if ((env->me_flags & MDB_RDONLY) && pgno + MDB_RPAGE_CHUNK-1 > txn->mt_last_pgno)
-			id3.mcnt = txn->mt_last_pgno + 1 - pgno;
-		else
-			id3.mcnt = MDB_RPAGE_CHUNK;
+		id3.mcnt = MDB_RPAGE_CHUNK;
 		len = id3.mcnt * env->me_psize;
 		id3.mid = pgno;