Method AllocReadBufferBlockLocked

be/src/runtime/io/disk-file.h:430–435

Helper function to allocate the memory for a reading buffer block. Caller should hold both physical_file_lock_ and the lock of the read buffer block.

  // Helper function to allocate the memory for a reading buffer block.
  // Caller should hold both physical_file_lock_ and the lock of the read buffer block.
  Status AllocReadBufferBlockLocked(MemBlock* read_buffer_block, int64_t size,
      const boost::shared_lock<boost::shared_mutex>& file_lock,
      const std::unique_lock<SpinLock>& block_lock) {
    DCheckMemBlock(file_lock, read_buffer_block);
    return read_buffer_block->AllocLocked(block_lock, size);
  }

  // Helper function to set the status of a memory block.
  // Caller should hold the physical_file_lock_.