25                                     uint64_t offset, size_t n,  in Prefetch()  argument
31   size_t offset_ = static_cast<size_t>(offset);  in Prefetch()
48   if (buffer_.CurrentSize() > 0 && offset >= buffer_offset_ &&  in Prefetch()
49       offset <= buffer_offset_ + buffer_.CurrentSize()) {  in Prefetch()
50     if (offset + n <= buffer_offset_ + buffer_.CurrentSize()) {  in Prefetch()
59           Rounddown(static_cast<size_t>(offset - buffer_offset_), alignment);  in Prefetch()
99 bool FilePrefetchBuffer::TryReadFromCache(uint64_t offset, size_t n,  in TryReadFromCache()  argument
101   if (track_min_offset_ && offset < min_offset_read_) {  in TryReadFromCache()
102     min_offset_read_ = static_cast<size_t>(offset);  in TryReadFromCache()
104   if (!enable_ || offset < buffer_offset_) {  in TryReadFromCache()
112   if (offset + n > buffer_offset_ + buffer_.CurrentSize()) {  in TryReadFromCache()
118         s = Prefetch(file_reader_, offset, std::max(n, readahead_size_),  in TryReadFromCache()
121         s = Prefetch(file_reader_, offset, n + readahead_size_, for_compaction);  in TryReadFromCache()
132   uint64_t offset_in_buffer = offset - buffer_offset_;  in TryReadFromCache()