25 Status SequentialFileReader::Read(size_t n, Slice* result, char* scratch) {  in Read()  argument
46     *result = Slice(scratch, r);  in Read()
49     s = file_->Read(n, IOOptions(), result, scratch, nullptr);  in Read()
51   IOSTATS_ADD(bytes_read, result->size());  in Read()
88   IOStatus Read(size_t n, const IOOptions& opts, Slice* result, char* scratch,  in Read()  argument
100       *result = Slice(scratch, cached_len);  in Read()
108       s = file_->Read(n, opts, result, scratch + cached_len, dbg);  in Read()
110         read_offset_ += result->size();  in Read()
111         *result = Slice(scratch, cached_len + result->size());  in Read()
122       *result = Slice(scratch, cached_len + remaining_len);  in Read()
155                           Slice* result, char* scratch,  in PositionedRead()  argument
157     return file_->PositionedRead(offset, n, opts, result, scratch, dbg);  in PositionedRead()
196     Slice result;  in ReadIntoBuffer()  local
197     IOStatus s = file_->Read(n, opts, &result, buffer_.BufferStart(), dbg);  in ReadIntoBuffer()
200       buffer_.Size(result.size());  in ReadIntoBuffer()
201       assert(result.size() == 0 || buffer_.BufferStart() == result.data());  in ReadIntoBuffer()
233   std::unique_ptr<FSSequentialFile> result(  in NewReadaheadSequentialFile()  local
235   return result;  in NewReadaheadSequentialFile()