133 typedef struct xfs_buf {  struct
146 	xfs_buf_flags_t		b_flags;	/* status flags */  argument
160 	xfs_buftarg_t		*b_target;	/* buffer target (device) */  argument
164 	xfs_buf_iodone_t	b_iodone;	/* I/O completion function */  argument
171 	struct xfs_buf_map	*b_maps;	/* compound buffer map */  argument
172 	struct xfs_buf_map	__b_map;	/* inline compound buffer map */  argument
173 	int			b_map_count;
174 	int			b_io_length;	/* IO size in BBs */
175 	atomic_t		b_pin_count;	/* pin count */
176 	atomic_t		b_io_remaining;	/* #outstanding I/O requests */
200 	const struct xfs_buf_ops	*b_ops;  argument
204 struct xfs_buf *xfs_buf_incore(struct xfs_buftarg *target,  argument