它还提供了一种方法来定义一组磁盘块和文件分配的硬、软限制，以及软限制强制实施为硬限制前的过渡期。
It also provides a method to define a set of hard and soft disk block and file allocation limits and the grace periods before the soft limit becomes enforced as the hard limit.
它是处理磁盘上的文件系统的基础，因为它定义文件系统的管理参数(例如，块的总数、空闲块和根索引节点)。
It provides the basis for dealing with the on-disk file system, as it defines the file system's managing parameters (for example, total number of blocks, free blocks, root index node).
这个函数的参数定义一个文件系统结构(file_system_type)的引用，这个结构定义文件系统的名称、一组属性和两个超级块函数。
This takes a single argument defining the reference to a file system structure (file_system_type), which defines the name of the file system, a set of attributes, and two superblock functions.
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