buffer_head.h

阿基米德操作系统的源代码

//////////////////////////////////////////////////////////////////////////
struct buffer_head {
	unsigned char	   * volatile	b_data;			
	int					 volatile	b_dev;		
	int					 volatile	b_blocknr;	
	unsigned char		 volatile	b_uptodate;
	unsigned char		 volatile	b_dirt;		
	unsigned char		 volatile	b_count;		
	unsigned char		 volatile	b_lock;		

	struct buffer_head * volatile	b_prev;
	struct buffer_head * volatile	b_next;
	struct buffer_head * volatile	b_prev_free;
	struct buffer_head * volatile	b_next_free;
};
//////////////////////////////////////////////////////////////////////////