[unix-history] / usr / src / sys / dev / dkleave.c

/*	dkleave.c	4.1	11/9/80	*/

#ifdef INTRLVE
#include "../h/param.h"
#include "../h/buf.h"

daddr_t
dkblock(bp)
register struct buf *bp;
{
	register int dminor;

	if (((dminor=minor(bp->b_dev))&0100) == 0)
		return(bp->b_blkno);
	dminor >>= 3;
	dminor &= 07;
	dminor++;
	return(bp->b_blkno/dminor);
}

dkunit(bp)
register struct buf *bp;
{
	register int dminor;

	dminor = minor(bp->b_dev) >> 3;
	if ((dminor&010) == 0)
		return(dminor);
	dminor &= 07;
	dminor++;
	return(bp->b_blkno%dminor);
}
#endif
Commit	Line	Data
7e79487c BJ	1	/* dkleave.c 4.1 11/9/80 */
	2
	3	#ifdef INTRLVE
	4	#include "../h/param.h"
	5	#include "../h/buf.h"
	6
	7	daddr_t
	8	dkblock(bp)
	9	register struct buf *bp;
	10	{
	11	register int dminor;
	12
	13	if (((dminor=minor(bp->b_dev))&0100) == 0)
	14	return(bp->b_blkno);
	15	dminor >>= 3;
	16	dminor &= 07;
	17	dminor++;
	18	return(bp->b_blkno/dminor);
	19	}
	20
	21	dkunit(bp)
	22	register struct buf *bp;
	23	{
	24	register int dminor;
	25
	26	dminor = minor(bp->b_dev) >> 3;
	27	if ((dminor&010) == 0)
	28	return(dminor);
	29	dminor &= 07;
	30	dminor++;
	31	return(bp->b_blkno%dminor);
	32	}
	33	#endif