File:  [Research Unix] / researchv8dc / sys / dev / dkleave.c
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs
Tue Apr 24 17:21:59 2018 UTC (8 years, 3 months ago) by root
Branches: belllabs, MAIN
CVS tags: researchv8, HEAD
researchv8 Dan Cross

/*	dkleave.c	4.2	81/03/08	*/

#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

unix.superglobalmegacorp.com

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.