leveldb.patch

diff --git a/db/db_impl.cc b/db/db_impl.cc
index 1a4e459..d9694ef 100644
--- a/db/db_impl.cc
+++ b/db/db_impl.cc
@@ -106,11 +106,12 @@ Options SanitizeOptions(const std::string& dbname,
     // Open a log file in the same directory as the db
     src.env->CreateDir(dbname);  // In case it does not exist
     src.env->RenameFile(InfoLogFileName(dbname), OldInfoLogFileName(dbname));
-    Status s = src.env->NewLogger(InfoLogFileName(dbname), &result.info_log);
-    if (!s.ok()) {
-      // No place suitable for logging
-      result.info_log = nullptr;
-    }
+    // Status s = src.env->NewLogger(InfoLogFileName(dbname), &result.info_log);
+    // if (!s.ok()) {
+    //   // No place suitable for logging
+    //   result.info_log = nullptr;
+    // }
+    result.info_log = nullptr;
   }
   if (result.block_cache == nullptr) {
     result.block_cache = NewLRUCache(8 << 20);
diff --git a/util/env_posix.cc b/util/env_posix.cc
index 24b1c4c..395d7d1 100644
--- a/util/env_posix.cc
+++ b/util/env_posix.cc
@@ -519,7 +519,8 @@ class PosixEnv : public Env {
       return PosixError(filename, errno);
     }
 
-    if (!mmap_limiter_.Acquire()) {
+    // disallow mmap for madfs tests
+    if ((!mmap_limiter_.Acquire()) || true) {
       *result = new PosixRandomAccessFile(filename, fd, &fd_limiter_);
       return Status::OK();
     }