grantxx的专栏

文件锁存放在一个数组当中，用来记录系统对于文件锁的使用情况。 文件锁的定义如下： /* This is the file locking table. Like the filp table, it points to the * inode table, however, in this case to achieve advisory locking. */ EXTERN str

PUBLIC struct buf *get_block(dev, block, only_search) register dev_t dev; /* on which device is the block? */ register block_t block; /* which block is wanted? */ int only_search; /* if NO_READ, do

原文：http://hi.baidu.com/heyinjie/item/54cdc7507026209508be17b7 文件信息及其数据的定位 在Minix 1.0文件系统中，一个文件可以有几个不同的文件名，这是由dir_entry决定的。多个dir_entry可以关联同一个文件，但同一个文件只能对应一个索引节点，所以最终系统需要依靠索引节点来描述一个文件。文件最重要的

get_inode(dev,numb) /*===========================================================================* * get_inode * *========================================================================

/* This file manages the super block table and the related data structures, * namely, the bit maps that keep track of which zones and which inodes are * allocated and which are free. When a new ino