一些文件系统并不充分支持该操作。
Some file systems do not fully support this behavior. The implications of these differences are discussed in the next section.
一些文件系统比其他文件系统快得多，但是性能因任务而异。
Some file systems are much faster than others, but performance varies from task to task.
在上述示例中，文件系统驱动程序处于修改一些文件系统块的过程中。
In our above example, the filesystem driver was in the process of modifying several filesystem blocks.
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