inode 编号也被称为文件序列号（file serial number），并且在一个特定文件系统中是唯一的。
The inode number is also known as the file serial number and is unique within a particular filesystem.
序列号分成三部分，每部分为一个32位整数，第一部分表示命令源节点的编号。
There are three parts in a sequence number, each part being an integer with 32 digits. The first part is the number of the command source node.
一个简单的实际解决这一问题的办法是增加一个序列编号，以我们的缓冲级，并过程中的数据缓冲区，如果缓冲区的序列号是在命令。
A simple practical solution to this problem is to add a sequence number to our buffer class, and process the data in the buffer if the buffer sequence number is in order.
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