A new type of lock called seqlock has been introduced for locking a small section of data (no Pointers) that is frequently accessed.

引入了一个叫做seqlock的新类型的锁，用于锁定小段的经常被访问的数据(不是指针)。

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If you have a file checked out when you lock it, its status is modified to contain the new lock type.

如果您在锁定一个文件时签出了该文件，则会修改该文件的状态以包含新的锁类型。

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If a file is checked out when you lock it, its check-out record is modified to contain the new lock type.

如果某个档案在您锁定时已签出，其签出记录就会修改成包含新的锁定类型。

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