Method DeleteReadBuffer

be/src/runtime/io/disk-file.h:468–473

  // read buffer block, because Delete() will hold the read buffer block's lock.
  template <typename T>
  void DeleteReadBuffer(
      MemBlock* read_buffer_block, bool* reserved, bool* alloc, const T& file_lock) {
    DCHECK(file_lock.mutex() == &physical_file_lock_ && file_lock.owns_lock());
    DCHECK(read_buffer_block != nullptr);
    return read_buffer_block->Delete(reserved, alloc);
  }

  // Return the number of read buffer blocks of this DiskFile.
  int64_t num_of_read_buffers() { return read_buffer_->num_of_read_buffer_blocks_; }