103 struct bufarea {  struct
104 	struct bufarea	*b_next;		/* free list queue */  argument
105 	struct bufarea	*b_prev;		/* free list queue */  argument
124 struct bufarea bufhead;		/* head of list of other blks in filesys */  argument
125 struct bufarea sblk;		/* file system superblock */
126 struct bufarea asblk;		/* alternate superblock */
127 struct bufarea cgblk;		/* cylinder group blocks */
128 struct bufarea *pbp;		/* pointer to inode data in buffer pool */
129 struct bufarea *pdirbp;		/* pointer to directory data in buffer pool */
526 void		brelse(struct bufarea *);
549 void		dirty(struct bufarea *);
560 void		flush(int, struct bufarea *);
568 struct bufarea	*getblk(struct bufarea *, daddr32_t, size_t);
569 struct bufarea	*getdatablk(daddr32_t, size_t size);
580 void		initbarea(struct bufarea *);