bsd/vfs/vfs_bio.c

4502 typedef long long blsize_t;
4504 blsize_t MAXNBUF; /* initialize to (sane_size / PAGE_SIZE) */
4506 blsize_t nbufh;			/* number of buffer headers */
4507 blsize_t nbuflow;		/* minimum number of buffer headers required */
4508 blsize_t nbufhigh;		/* maximum number of buffer headers allowed */
4509 blsize_t nbuftarget;	/* preferred number of buffer headers */
4523 	blsize_t	bl_nlow;	/* minimum number of buffer headers required */
4524 	blsize_t	bl_num;		/* number of buffer headers on the queue */
4525 	blsize_t	bl_nlhigh;	/* maximum number of buffer headers allowed */
4526 	blsize_t	bl_target;	/* preferred number of buffer headers */
4545  * Defining it blsize_t as long permits 2^31 buffer headers per queue.
4549  * It was decided to define blsize_t as a 64 bit quantity.