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

#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);
}
Commit	Line	Data
0cd33762 TL	1	#include "../h/param.h"
	2	#include "../h/buf.h"
	3
	4	daddr_t
	5	dkblock(bp)
	6	register struct buf *bp;
	7	{
	8	register int dminor;
	9
	10	if (((dminor=minor(bp->b_dev))&0100) == 0)
	11	return(bp->b_blkno);
	12	dminor >>= 3;
	13	dminor &= 07;
	14	dminor++;
	15	return(bp->b_blkno/dminor);
	16	}
	17
	18	dkunit(bp)
	19	register struct buf *bp;
	20	{
	21	register int dminor;
	22
	23	dminor = minor(bp->b_dev) >> 3;
	24	if ((dminor&010) == 0)
	25	return(dminor);
	26	dminor &= 07;
	27	dminor++;
	28	return(bp->b_blkno%dminor);
	29	}