92     tSize bytes_read = 0;  in Read()  local
97       bytes_read = hdfsRead(fileSys_, hfile_, buffer, remaining_bytes);  in Read()
98       if (bytes_read <= 0) {  in Read()
101       assert(bytes_read <= remaining_bytes);  in Read()
103       total_bytes_read += bytes_read;  in Read()
104       remaining_bytes -= bytes_read;  in Read()
105       buffer += bytes_read;  in Read()
112     if (bytes_read < 0) {  in Read()
127     ssize_t bytes_read = hdfsPread(fileSys_, hfile_, offset,  in Read()  local
131     *result = Slice(scratch, (bytes_read < 0) ? 0 : bytes_read);  in Read()
132     if (bytes_read < 0) {  in Read()