mirror of https://github.com/facebook/rocksdb.git
22 lines
696 B
C++
22 lines
696 B
C++
|
// 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).
|
||
|
|
|
||
|
|
#include "db/blob/prefetch_buffer_collection.h"
|
||
|
|
|
||
|
|
namespace ROCKSDB_NAMESPACE {
|
||
|
|
|
||
|
|
FilePrefetchBuffer* PrefetchBufferCollection::GetOrCreatePrefetchBuffer(
|
||
|
|
uint64_t file_number) {
|
||
|
|
auto& prefetch_buffer = prefetch_buffers_[file_number];
|
||
|
|
if (!prefetch_buffer) {
|
||
|
|
prefetch_buffer.reset(
|
||
|
|
new FilePrefetchBuffer(readahead_size_, readahead_size_));
|
||
|
|
}
|
||
|
|
|
||
|
|
return prefetch_buffer.get();
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace ROCKSDB_NAMESPACE
|