1 files changed, 31 insertions, 0 deletions
diff --git a/src/rocksdb/file/read_write_util.h b/src/rocksdb/file/read_write_util.h
new file mode 100644
index 000000000..9f034b705
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+++ b/src/rocksdb/file/read_write_util.h
@@ -0,0 +1,31 @@
+//  Copyright (c) 2011-present, Facebook, Inc.  All rights reserved.
+//  This source code is licensed under both the GPLv2 (found in the
+//  COPYING file in the root directory) and Apache 2.0 License
+//  (found in the LICENSE.Apache file in the root directory).
+//
+// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file. See the AUTHORS file for names of contributors.
+
+#pragma once
+#include <atomic>
+
+#include "file/sequence_file_reader.h"
+#include "rocksdb/env.h"
+#include "rocksdb/file_system.h"
+
+namespace ROCKSDB_NAMESPACE {
+// Returns a WritableFile.
+//
+// env     : the Env.
+// fname   : the file name.
+// result  : output arg. A WritableFile based on `fname` returned.
+// options : the Env Options.
+extern IOStatus NewWritableFile(FileSystem* fs, const std::string& fname,
+                                std::unique_ptr<FSWritableFile>* result,
+                                const FileOptions& options);
+
+#ifndef NDEBUG
+bool IsFileSectorAligned(const size_t off, size_t sector_size);
+#endif  // NDEBUG
+}  // namespace ROCKSDB_NAMESPACE